fixed linting and docs

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

.dockerignore

@@ -9,9 +9,10 @@ backend/filebrowser.sqlite*
 backend/tmp
 backend/dist
 backend/backend*
-backend/internal/web/dist/**
 backend/vendor/**
+backend/internal/web/dist/*
+!backend/internal/web/dist/.gitkeep
+
 
-frontend/dist/**
 frontend/node_modules/**
 frontend/pkg/**

.github/scripts/docker-floating-tag-policy.sh

@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+IMAGE_REPO="${IMAGE_REPO:-gtstef/filebrowser}"
+SLIM_SUFFIX="${SLIM_SUFFIX:-}"
+
+if [[ -z "${GITHUB_OUTPUT:-}" ]]; then
+  echo "GITHUB_OUTPUT is not set" >&2
+  exit 1
+fi
+
+write_outputs() {
+  local update_track="$1"
+  local update_major="$2"
+  echo "update_track=${update_track}" >> "$GITHUB_OUTPUT"
+  echo "update_major=${update_major}" >> "$GITHUB_OUTPUT"
+}
+
+registry_version() {
+  local tag="$1"
+  local ver err err_file
+  err_file="$(mktemp)"
+  if ! ver="$(docker buildx imagetools inspect "${IMAGE_REPO}:${tag}" \
+    --format '{{ with index .Image "linux/amd64" }}{{ index .Config.Labels "org.opencontainers.image.version" }}{{ end }}' 2>"$err_file")"; then
+    err="$(cat "$err_file")"
+    rm -f "$err_file"
+    if grep -qiE 'not found|manifest unknown' <<<"$err"; then
+      ver=""
+    else
+      echo "Failed to inspect ${IMAGE_REPO}:${tag}: ${err}" >&2
+      exit 1
+    fi
+  else
+    rm -f "$err_file"
+    if [[ -z "$ver" ]]; then
+      echo "Missing org.opencontainers.image.version on ${IMAGE_REPO}:${tag} (linux/amd64)" >&2
+      exit 1
+    fi
+  fi
+  ver="${ver#v}"
+  printf '%s' "$ver"
+}
+
+semver_allows_update() {
+  local new="$1"
+  local incumbent="$2"
+  if [[ -z "$incumbent" ]]; then
+    return 0
+  fi
+  local winner
+  winner="$(printf '%s\n' "$incumbent" "$new" | sort -V | tail -n1)"
+  [[ "$winner" == "$new" ]]
+}
+
+ref="${GITHUB_REF_NAME:-}"
+ref="${ref#v}"
+
+if [[ ! "$ref" =~ ^([0-9]+\.[0-9]+\.[0-9]+)-(.+)$ ]]; then
+  echo "Tag '${GITHUB_REF_NAME:-}' has no X.Y.Z-suffix form; leaving major-only floats enabled, track floats disabled"
+  write_outputs false true
+  exit 0
+fi
+
+new_version="$ref"
+semver_core="${BASH_REMATCH[1]}"
+suffix="${BASH_REMATCH[2]}"
+major="$(echo "$semver_core" | cut -d. -f1)"
+
+track=""
+case "$suffix" in
+  beta) track="beta" ;;
+  stable) track="stable" ;;
+  *)
+    echo "Tag suffix '${suffix}' is not beta/stable; leaving major-only floats enabled, track floats disabled"
+    write_outputs false true
+    exit 0
+    ;;
+esac
+
+track_tag="${track}${SLIM_SUFFIX}"
+major_tag="${major}-${track}${SLIM_SUFFIX}"
+
+incumbent_track="$(registry_version "$track_tag")"
+incumbent_major="$(registry_version "$major_tag")"
+
+update_track=false
+if semver_allows_update "$new_version" "$incumbent_track"; then
+  update_track=true
+fi
+
+update_major=false
+if semver_allows_update "$new_version" "$incumbent_major"; then
+  update_major=true
+fi
+
+echo "Floating tag policy (${SLIM_SUFFIX:-full} image):"
+echo "  New version: ${new_version}"
+echo "  Track tag: ${track_tag} (incumbent: ${incumbent_track:-<none>}) -> update_track=${update_track}"
+echo "  Major tag: ${major_tag} (incumbent: ${incumbent_major:-<none>}) -> update_major=${update_major}"
+
+write_outputs "$update_track" "$update_major"

.github/scripts/docker-release-tags.sh

@@ -0,0 +1,90 @@
+#!/usr/bin/env bash
+# Builds the comma-separated Docker tag list for a release image.
+#
+# Usage: docker-release-tags.sh <metadata.json> <variant> <update_track> <update_major>
+#   metadata.json  JSON output of docker/metadata-action (uses .tags)
+#   variant        default | slim | media
+#                  default and media: floating tags include latest
+#                  slim: every tag gets a -slim suffix and latest is not added
+#   update_track   true when the semver policy allows floating beta/stable/latest tags
+#   update_major   true when the semver policy allows major-only version tags
+#
+# Image repositories are fixed per variant so that each image only gets its own tags.
+set -euo pipefail
+
+if [[ $# -ne 4 ]]; then
+  echo "usage: $0 <metadata.json> <default|slim|media> <true|false> <true|false>" >&2
+  exit 2
+fi
+
+metadata_file=$1
+variant=$2
+update_track=$3
+update_major=$4
+
+case "$variant" in
+default)
+  suffix=""
+  add_latest=true
+  repos=(gtstef/filebrowser ghcr.io/gtsteffaniak/filebrowser)
+  ;;
+slim)
+  suffix="-slim"
+  add_latest=false
+  repos=(gtstef/filebrowser ghcr.io/gtsteffaniak/filebrowser)
+  ;;
+media)
+  suffix=""
+  add_latest=true
+  repos=(gtstef/filebrowser-media ghcr.io/gtsteffaniak/filebrowser-media)
+  ;;
+*)
+  echo "unknown variant: $variant" >&2
+  exit 2
+  ;;
+esac
+
+jq -r \
+  --arg suffix "$suffix" \
+  --argjson addLatest "$add_latest" \
+  --argjson updateTrack "$update_track" \
+  --argjson updateMajor "$update_major" \
+  --arg dh "${repos[0]}" \
+  --arg gh "${repos[1]}" '
+  # Strip the v prefix, drop metadata latest, and append the variant suffix.
+  .tags |= map(
+    sub(":v"; ":")
+    | select(test(":latest") | not)
+    | . + $suffix
+  ) |
+  # Version tags with a prerelease suffix (X.Y.Z-suffix) get major.minor, and major when allowed.
+  .tags += [
+    .tags[]
+    | select(test(":[0-9]+\\.[0-9]+\\.[0-9]+-"))
+    | split(":")
+    | .[-1] as $version
+    | ($version | split("-")) as $version_split
+    | ($version_split[0] | split(".")) as $version_parts
+    | ($version_split[1:] | join("-")) as $tag_suffix
+    | ($version_parts | "\(.[0]).\(.[1])") as $major_minor
+    | ($version_parts[0]) as $major
+    | "\($dh):\($major_minor)-\($tag_suffix)",
+      "\($gh):\($major_minor)-\($tag_suffix)",
+      if $updateMajor then
+        "\($dh):\($major)-\($tag_suffix)",
+        "\($gh):\($major)-\($tag_suffix)"
+      else empty end
+  ] |
+  # Floating beta tag.
+  if $updateTrack and any(.tags[]; split(":")[-1] | endswith("-beta" + $suffix)) then
+    .tags += ["\($dh):beta\($suffix)", "\($gh):beta\($suffix)"]
+  else . end |
+  # Floating stable tag, plus latest for variants that have it.
+  if $updateTrack and any(.tags[]; split(":")[-1] | endswith("-stable" + $suffix)) then
+    .tags += (
+      ["\($dh):stable\($suffix)", "\($gh):stable\($suffix)"]
+      + (if $addLatest then ["\($dh):latest", "\($gh):latest"] else [] end)
+    )
+  else . end |
+  .tags | join(",")
+' "$metadata_file"

.github/workflows/main.yaml

@@ -23,7 +23,7 @@ jobs:
         with:
           node-version-file: frontend/.nvmrc
       - working-directory: frontend
-        run: npm i && npm run build
+        run: npm ci && npm run build
       - uses: actions/setup-go@v5
         with:
           go-version: 'stable'
@@ -35,44 +35,3 @@ jobs:
           context: .
           file: ./_docker/Dockerfile.playwright-general
           push: false
-
-  create_beta_release:
-    needs: [test_playwright]
-    if: startsWith(github.event.head_commit.message, 'Beta/v')
-    name: Create Beta Release
-    runs-on: ubuntu-24.04-arm
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.PAT }}
-          fetch-depth: 0
-      - name: Extract version from commit message
-        id: extract_version
-        shell: bash
-        run: |
-          tag_name=$(echo "${{ github.event.head_commit.message }}" | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+')-beta
-          if [ -z "$tag_name" ] || [ "$tag_name" = "-beta" ]; then
-            echo "Could not extract version from: ${{ github.event.head_commit.message }}"
-            exit 1
-          fi
-          echo "tag_name=$tag_name" >> $GITHUB_OUTPUT
-      - name: Tag release commit on main
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          TAG="${{ steps.extract_version.outputs.tag_name }}"
-          git tag -f "$TAG" "${{ github.sha }}"
-          git push origin "refs/tags/$TAG" --force
-      - name: Create Release
-        uses: softprops/action-gh-release@v2
-        with:
-          target_commitish: ${{ github.sha }}
-          token: ${{ secrets.PAT }}
-          tag_name: ${{ steps.extract_version.outputs.tag_name }}
-          prerelease: false
-          make_latest: false
-          draft: false
-          generate_release_notes: true
-          overwrite_existing: true
-          name: ${{ steps.extract_version.outputs.tag_name }}

.github/workflows/pr.yaml

@@ -37,12 +37,12 @@ jobs:
           node-version-file: frontend/.nvmrc
       - name: Build frontend
         working-directory: frontend
-        run: npm i && npm run build
+        run: npm ci && npm run build
       - name: Upload frontend build artifact
         uses: actions/upload-artifact@v4
         with:
           name: dist
-          path: backend/internal/web/dist
+          path: frontend/dist
   build_backend:
     name: Build backend
     runs-on: ubuntu-24.04-arm
@@ -105,10 +105,6 @@ jobs:
           path: backend/
       - name: Make backend executable
         run: chmod +x backend/filebrowser
-      - name: Copy frontend build to backend
-        run: |
-          mkdir -p backend/internal/web/embed
-          cp -r frontend/dist/* backend/internal/web/embed
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3.0.0
       - name: Set up Docker Buildx
@@ -166,3 +162,30 @@ jobs:
             REVISION=${{ steps.meta.outputs.revision }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+  build_media_docker_image:
+    name: Build media docker image
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3.0.0
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.0.0
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./_docker/Dockerfile.media
+          push: false # Do not push the image for now
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
+            REVISION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.revision'] }}
+          cache-from: type=gha,scope=pr-media
+          cache-to: type=gha,mode=max,scope=pr-media

.github/workflows/regular-tests.yaml

@@ -8,6 +8,7 @@ on:
 jobs:
   test-backend:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
@@ -17,6 +18,7 @@ jobs:
         run: go test -race -v ./... -timeout 30s
   lint-backend:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
@@ -28,6 +30,7 @@ jobs:
           cd backend && "$GOLANGCI_LINT" run --path-prefix=backend
   format-backend:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
@@ -37,39 +40,47 @@ jobs:
         run: go fmt ./...
   lint-frontend:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version-file: frontend/.nvmrc
       - working-directory: frontend
-        run: npm i
-      - name: Lint frontend
-        working-directory: frontend
-        run: npm run lint
-      - name: Lint frontend CSS
-        working-directory: frontend
-        run: npm run lint:css
+        run: npm ci && npm run lint
   test-frontend:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version-file: frontend/.nvmrc
       - working-directory: frontend
-        run: npm i && npm run test
+        run: npm ci && npm run test
+  typecheck-frontend:
+    runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: frontend/.nvmrc
+      - working-directory: frontend
+        run: npm ci && npm run typecheck
   check-translations:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version-file: frontend/.nvmrc
       - working-directory: frontend
-        run: npm i && npm run i18n:check
+        run: npm ci && npm run i18n:check
   check-docs:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
@@ -79,10 +90,11 @@ jobs:
       - run: git diff --exit-code
   check-icons:
     runs-on: ubuntu-24.04-arm
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version-file: frontend/.nvmrc
       - working-directory: frontend
-        run: npm i && npm run icons:check
+        run: npm ci && npm run icons:check

.github/workflows/tag.yaml

@@ -15,16 +15,20 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
           node-version-file: frontend/.nvmrc
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
       - name: Install dependencies and build frontend
-        run: npm i && npm run build
+        run: npm ci && npm run build
         working-directory: frontend
-      - name: Install OS Requirements
-        run: sudo apt update && sudo apt install -y upx build-essential musl-tools
-      - uses: goto-bus-stop/setup-zig@v2
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:
@@ -61,50 +65,15 @@ jobs:
           images: |
             gtstef/filebrowser
             ghcr.io/gtsteffaniak/filebrowser
+      - name: Decide floating Docker tags
+        id: floating
+        run: bash .github/scripts/docker-floating-tag-policy.sh
       - name: Modify tags (strip 'v' and add version tags)
         id: modify-json
         run: |
           JSON='${{ steps.meta.outputs.json }}'
-          MODIFIED_JSON=$(echo "$JSON" | jq '
-            .tags |= map(
-              sub(":v"; ":")      # Strip the 'v'
-              | select(test(":latest") | not)
-            ) |
-            # Find all version tags with suffix (X.Y.Z-suffix) and add major.minor and major tags
-            .tags += [
-              .tags[] 
-              | select(test(":[0-9]+\\.[0-9]+\\.[0-9]+-"))
-              | split(":")
-              | .[-1] as $version
-              | ($version | split("-")) as $version_split
-              | ($version_split[0] | split(".")) as $version_parts
-              | ($version_split[1:] | join("-")) as $suffix
-              | ($version_parts | "\(.[0]).\(.[1])") as $major_minor
-              | ($version_parts[0]) as $major
-              | "gtstef/filebrowser:\($major_minor)-\($suffix)",
-                "ghcr.io/gtsteffaniak/filebrowser:\($major_minor)-\($suffix)",
-                "gtstef/filebrowser:\($major)-\($suffix)",
-                "ghcr.io/gtsteffaniak/filebrowser:\($major)-\($suffix)"
-            ] |
-            # Add suffix-only tags for beta (only if tag ends with -beta)
-            if any(.tags[]; split(":")[-1] | endswith("-beta")) then
-              .tags += [
-                "gtstef/filebrowser:beta",
-                "ghcr.io/gtsteffaniak/filebrowser:beta"
-              ]
-            else . end |
-            # Add suffix-only tags for stable (and latest) (only if tag ends with -stable)
-            if any(.tags[]; split(":")[-1] | endswith("-stable")) then
-              .tags += [
-                "gtstef/filebrowser:stable",
-                "ghcr.io/gtsteffaniak/filebrowser:stable",
-                "gtstef/filebrowser:latest",
-                "ghcr.io/gtsteffaniak/filebrowser:latest"
-              ]
-            else . end
-          ')
-          TAGS_CSV=$(echo "$MODIFIED_JSON" | jq -r '.tags | join(",")')
-          echo "$TAGS_CSV" > modified_tags.txt  # Optional debug output
+          printf '%s' "$JSON" > metadata.json
+          TAGS_CSV=$(bash .github/scripts/docker-release-tags.sh metadata.json default '${{ steps.floating.outputs.update_track }}' '${{ steps.floating.outputs.update_major }}')
           echo "cleaned_tag=$TAGS_CSV" >> $GITHUB_OUTPUT
       - name: Build and push
         uses: docker/build-push-action@v6
@@ -118,6 +87,62 @@ jobs:
           push: true
           tags: ${{ steps.modify-json.outputs.cleaned_tag }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha,scope=release-main
+          cache-to: type=gha,mode=max,scope=release-main
+  push_media_release_to_registry:
+    name: Push media release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3.0.0
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.0.0
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{github.actor}}
+          password: ${{ secrets.PAT }}
+      - name: Extract metadata (tags, labels) for Docker and GHCR
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            gtstef/filebrowser-media
+            ghcr.io/gtsteffaniak/filebrowser-media
+      - name: Decide floating Docker tags
+        id: floating
+        env:
+          IMAGE_REPO: gtstef/filebrowser-media
+        run: bash .github/scripts/docker-floating-tag-policy.sh
+      - name: Modify tags (strip 'v' and add version tags)
+        id: modify-json
+        run: |
+          JSON='${{ steps.meta.outputs.json }}'
+          printf '%s' "$JSON" > metadata.json
+          TAGS_CSV=$(bash .github/scripts/docker-release-tags.sh metadata.json media '${{ steps.floating.outputs.update_track }}' '${{ steps.floating.outputs.update_major }}')
+          echo "cleaned_tag=$TAGS_CSV" >> $GITHUB_OUTPUT
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          build-args: |
+            VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
+            REVISION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.revision'] }}
+          platforms: linux/amd64,linux/arm64
+          file: ./_docker/Dockerfile.media
+          push: true
+          tags: ${{ steps.modify-json.outputs.cleaned_tag }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha,scope=release-media
+          cache-to: type=gha,mode=max,scope=release-media
   push_slim_release_to_registry:
     name: Push slim release
     runs-on: ubuntu-latest
@@ -146,48 +171,17 @@ jobs:
           images: |
             gtstef/filebrowser
             ghcr.io/gtsteffaniak/filebrowser
+      - name: Decide floating Docker tags
+        id: floating
+        env:
+          SLIM_SUFFIX: -slim
+        run: bash .github/scripts/docker-floating-tag-policy.sh
       - name: Modify tags (strip 'v' and add 'slim' if needed)
         id: modify-json-slim
         run: |
           JSON='${{ steps.meta.outputs.json }}'
-          MODIFIED_JSON=$(echo "$JSON" | jq '
-            .tags |= map(
-              sub(":v"; ":")                 # Strip the 'v'
-              | select(test(":latest") | not) # Remove the "latest" tag
-              | . + "-slim"                   # Append "-slim" to the versioned tag
-            ) |
-            # Find all version tags with suffix (X.Y.Z-suffix-slim) and add major.minor and major tags
-            .tags += [
-              .tags[] 
-              | select(test(":[0-9]+\\.[0-9]+\\.[0-9]+-"))
-              | split(":")
-              | .[-1] as $version
-              | ($version | split("-")) as $version_split
-              | ($version_split[0] | split(".")) as $version_parts
-              | ($version_split[1:] | join("-")) as $suffix
-              | ($version_parts | "\(.[0]).\(.[1])") as $major_minor
-              | ($version_parts[0]) as $major
-              | "gtstef/filebrowser:\($major_minor)-\($suffix)",
-                "ghcr.io/gtsteffaniak/filebrowser:\($major_minor)-\($suffix)",
-                "gtstef/filebrowser:\($major)-\($suffix)",
-                "ghcr.io/gtsteffaniak/filebrowser:\($major)-\($suffix)"
-            ] |
-            # Add suffix-only tags for beta-slim (only if tag ends with -beta-slim)
-            if any(.tags[]; split(":")[-1] | endswith("-beta-slim")) then
-              .tags += [
-                "gtstef/filebrowser:beta-slim",
-                "ghcr.io/gtsteffaniak/filebrowser:beta-slim"
-              ]
-            else . end |
-            # Add suffix-only tags for stable-slim (only if tag ends with -stable-slim)
-            if any(.tags[]; split(":")[-1] | endswith("-stable-slim")) then
-              .tags += [
-                "gtstef/filebrowser:stable-slim",
-                "ghcr.io/gtsteffaniak/filebrowser:stable-slim"
-              ]
-            else . end
-          ')
-          TAGS_CSV=$(echo "$MODIFIED_JSON" | jq -r '.tags | join(",")')
+          printf '%s' "$JSON" > metadata.json
+          TAGS_CSV=$(bash .github/scripts/docker-release-tags.sh metadata.json slim '${{ steps.floating.outputs.update_track }}' '${{ steps.floating.outputs.update_major }}')
           echo "cleaned_tag=$TAGS_CSV" >> $GITHUB_OUTPUT
       - name: Build and push slim image
         uses: docker/build-push-action@v6
@@ -201,3 +195,5 @@ jobs:
           push: true
           tags: ${{ steps.modify-json-slim.outputs.cleaned_tag }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha,scope=release-slim
+          cache-to: type=gha,mode=max,scope=release-slim

.gitignore

@@ -43,9 +43,10 @@ frontend/.tmp-icons-*
 /backend/*test_config.yaml
 /backend/generated.yaml
 /backend/srv
-/backend/internal/web/dist
-/backend/internal/web/embed
+/backend/internal/web/dist/*
+!/backend/internal/web/dist/.gitkeep
 /backend/debug
+/backend/http
 
 .DS_Store
 node_modules

CHANGELOG.md

@@ -2,6 +2,170 @@
 
 All notable changes to this project will be documented in this file. For commit guidelines, please refer to [Standard Version](https://github.com/conventional-changelog/standard-version).
 
+## v2.2.0
+
+ **New Features**:
+  - Core web assets are loaded into memory instead of served from disk.
+  - Media enhancements
+    - All server media settings can be managed in settings by admins.
+    - JXL image preview support (#3334) (#2551)
+    - Transcoding for media playback with quality presets -- requires ffmpeg.
+    - Hardware Acceleration device selector (Software / detected GPU devices)
+    - More operations use native api operations rather than ffmpeg, improving performance in many cases. Added temporary config option to force ffmpeg to be used
+  - Document enhancements
+    - Official Collabora support using WOPI config.
+    - Document previews use a pure-go in-process package (all versions get it now).
+    - Added **Always use office for document previews** option to force OnlyOffice/Collabora.
+    - Office previews can use embedded thumbnail if possible.
+    - Text file previews are more efficient direct creation.
+    - New text preview API (`/api/resources/preview/text`) returns a 16KB text preview for text, Markdown, HTML, CSS, code and RTF files. Markdown and HTML render in the listing as sanitized previews. Previews are not cached on disk. SVG files are served directly as images.
+    - Text previews only render inline on tiles at least 60px wide, so narrower tiles (list, compact, normal) show the file-type icon with a `saved_search` badge instead when popup previews are enabled, and hovering still opens the larger popup preview. Text preview reads are bounded by the preview service's shared image-processor semaphore (`server.numImageProcessors`), and rendered preview HTML is cached in the browser so scrolling and hovering do not re-parse it.
+    - Embedded previews for Krita (`.kra`, [#2431](https://github.com/gtsteffaniak/filebrowser/issues/2431)), OpenRaster (`.ora`), Sketch (`.sketch`), MuseScore (`.mscz`), CBZ (first page), XPS (embedded thumbnail, when present), ODF (`.odt`, `.ods`, `.odp`, `.odg`), and Office Open XML (`.docx`, `.xlsx`, `.pptx`) thumbnails.
+  - Virtual scrolling for large lists: like the main listing, advanced search, file tree, etc. Only render the rows on screen, so very large folders stay responsive, resolving some performance issues (#2879) (#1773) (#3320) (#3326).
+  - Search and navigation improvements:
+    - Next/previous in a preview follows the results of quick search and advanced search, playback queue also uses if there's media (#3275).
+    - Closing a preview opened from quick or advanced search returns to the results and scrolls to the item like the normal listing (#3275).
+    - Advanced search now has almost all the features of the normal listing, including rectangle selection, keyboard navigation, etc (#3299).
+    - Quick search results use natural ordering.
+    - Listings now are cached (with a cap) allowing a more responsive navigation between folders (#3193).
+  - Upload and download prompts list is reversed (#2998) (#3328).
+  - Replaced `indented soft wrap` editor setting by a dropdown with more wrap settings (#3183) (#3282).
+
+ **Notes**:
+ - **Document preview formats:** New in-process support includes **`.azw3`**, **`.chm`**, **`.htm`**, and **`.html`**. However, `.doc` continues to require the office integration for thumbnails. **`.xps`** and **`.cbz`** previews come from embedded images. With **Always use office for document previews** enabled, office files still use the office converter
+ - UPX compression is removed from release builds.
+ - A `filebrowser-media` image is published alongside the main and slim images.
+ - Previews (thumbnails, popup, and text previews) are no longer requested for sources the user does not have view access to.
+
+ **Bug Fixes**:
+ - Closing a video preview from the header bar now stops playback immediately instead of leaving audio running in the background.
+ - Closing a preview no longer navigates back to the same file when a stale "previous item" was remembered from an earlier navigation.
+ - Transcoding recovers from unreliable hardware decoding without discarding the segments already produced: the retry resumes at the encode head with software decode instead of wiping the generation and re-encoding from the start.
+ - The player no longer aborts a segment request after 10 seconds while the transcode producer is repositioning or restarting, which previously surfaced as a 503 and a skipped segment.
+ - getDirectoryPreview no longer requests metadata, so folder previews skip the per-file probe and subtitle scan.
+ - Media probes are cached by file identity and concurrent reads are coalesced, so opening a file no longer triggers repeated ffprobe runs.
+ - Client-initiated stream cancels (seek/navigation) no longer log spurious write-error responses.
+ - Gzipped `.woff` font files are no longer generated without being served; only `.js` and `.woff2` are precompressed.
+ - Text preview tiles no longer show the bottom truncation fade; truncated content is clipped at the tile edge instead.
+ - Text preview tiles lay out at a minimum width and are clipped, instead of wrapping aggressively on narrow tiles.
+ - Queued text preview requests are canceled when their tiles unmount, so scrolling through a folder of text files and then opening another folder no longer delays the new folder's previews.
+ - Removed the stale, unreferenced `backend/internal/web/embed/` build output that was accidentally re-added; the frontend is embedded from `backend/internal/web/dist/` as before.
+ - Advanced search no longer loses the previously selected sorting (#3275)
+ - Context menu in iOS don't opening in Advanced Search (#2776) (#3299)
+ - Improved mobile layout of inputs in search filters.
+ - Doing actions in the main list/adv search, like move, copy, delete, or create a new file no longer reloads the entire listing, now updates in place and doesn't lost the position you were browsing at (#3193).
+ - Uploading lot of files freezing the UI for a few seconds (#3321).
+ - Directory uploads are prioritized, and files wait until their parent is ready (#3221).
+
+## v2.1.4
+
+ **Security**:
+ - [Low] `GET /api/settings` and `GET /api/settings?property=auth` no longer return cleartext secrets (`auth.key`, `totpSecret`, `adminPassword`, OIDC `clientSecret`, LDAP bind password, recaptcha secret, OnlyOffice secret); secret fields are replaced with `**hidden**` in the response, and the YAML export now redacts the recaptcha and LDAP secrets whose comments lacked the `secret:` marker (GHSA-892f-9h5p-mfc8) reporter @paulmossman
+
+ **New Features**:
+ - feat(search): sidebar File actions and close button in advanced search (#3303) (#2479) (#3303)
+
+ **Bug Fixes**:
+ - Deleting a directory now releases folder quotas rooted inside it instead of leaving them charged for files that no longer exist; applies to API and WebDAV deletes (#3163) (#3235)
+ - Bulk and public share deletes now release accounted quota usage; nested folder quotas reset when an ancestor is removed (#3163) (#3305)
+ - Directory listings skip entries that return permission denied or not-found on per-entry stat instead of failing the whole folder (e.g. unreadable NTFS junctions on CIFS); skipped entries are omitted from the index like `ls -l` (#3184)
+ - Preview generation for webp broken (#3254) (#3259)
+ - Share banner never shows to public visitors, returns bannerUrl but not banner (#3246) (#3250)
+ - fix html/markdown relative file preview support (#3131) (#3129) (#2355)
+ - fix(archive): extract tar hard links instead of dropping them (#3234)
+ - fix(auth): apply stored permission caps for customized API tokens with no global flags enabled (#3255)
+ - Archive extraction writes regular and hard-link entries at the entry path instead of following an existing symlink at that path (tar and zip) (#3265)
+ - fix(move-copy): require choosing a destination source in advanced search when none can be inferred, instead of silently copying to the source root (#3276)
+ - fix(stream): single-file shares can now stream their own media on Windows by using slash-based path handling (#3270) (#3271)
+ - fix(users): `lockPassword` is now enforced on self-service password changes; non-admins get 403 while admin resets still work (#3279) (#3283)
+ - fix(analytics): the FreeBSD release binary now reports `freebsd` in `system.os` instead of `other` (#3244) (#3284)
+ - fix(frontend): share expiration now reads backend Unix-seconds timestamps correctly instead of showing dates decades off (#3247)
+ - fix(frontend): video on iPhone now uses the native fullscreen player instead of the in-page fallback (#3113) (#3288)
+ - fix(frontend): the video loading spinner no longer stays on for the rest of playback when the fetch stalls but the buffer can continue (#3287) (#3289)
+ - fix(frontend): the share banner is now shown to public visitors, using `bannerUrl` instead of the never-set `banner` field (#3246) (#3250)
+ - fix(preview): camera RAW files (Panasonic `.rw2`/`.raw`/`.rwl`, Olympus `.orf`, `.cr2`/`.dng`) extract embedded previews from TIFF strips/SubIFDs and no longer return 415 when EXIF decoding fails (#3219) (#3243)
+ - fix(indexing): restore lazy listing persistence with atomic folder-size deltas and ancestor propagation, and force a full scan for scanners that missed their slot while the process was down (#3260)
+ - fix(indexing): directory listings skip entries that cannot be accessed or have vanished instead of failing the whole listing; remaining errors still fail and fully-vanished nonempty directories return an error (#3292)
+ - fix(frontend): redirects from `/files` stay inside the files area so a source named "Files" no longer leaves an empty view after login (#3167) (#3304)
+
+## v2.1.3
+
+ **Security**:
+ - [Moderate] Passkey registration and deletion now require the account password when a passkey is already configured, and passkeys cannot be altered through generic user profile PATCH (GHSA-r744-4vm3-2px3) reporter @tonghuaroot
+ - [Medium] Storage quota accounting now records upload byte deltas using the pre-replace file size, and upload paths without size metadata or with resumed chunk offsets cannot skip quota checks (GHSA-m57f-66qj-8jxg) reporter @jayhemnani9910
+ - [High] Sources marked `readOnly` are now enforced on WebDAV writes, server-side archive/unarchive, and OnlyOffice save callbacks (GHSA-4v62-884x-2466) reporter @anpryl
+ - [Moderate] Moving or renaming a folder updates only shares whose paths are under the moved prefix, preserving per-file share roots instead of retargeting unrelated substring matches (GHSA-26fh-r34c-qxh6) reporters @jayhemnani9910 @dylanzonix
+ - [Moderate] WebDAV PUT now requires Create permission when the target path does not yet exist, so Modify-only users cannot create new files (GHSA-8655-2ph3-q7q7) reporter @levanduy181
+ - [Low] Failed-login lockout and auth rate limits now use the rightmost `X-Forwarded-For` hop when proxy headers are trusted, so a client cannot spoof the client IP with a leftmost forwarded value (GHSA-wjp8-g49g-xrhx) reporter @LECOQQ
+ - [Low] Duplicate finder results are cached per requesting user so filtered file names from one account are not served to another (GHSA-4fhx-8pf6-5gmr) reporter @Nazarami
+ - [Moderate] Authenticated `GET /api/resources/view` no longer accepts view tokens minted for a public share when the caller lacks view permission on the requested source (GHSA-wxj5-g3qp-g732) reporter @BlueN0r
+ - [Low] SSE source-update and user-targeted delivery hold the client registry lock through nonblocking sends, preventing concurrent map mutation and send-on-closed-channel panics when Realtime clients connect, disconnect, or shut down (GHSA-p9wm-f5jj-75pj) reporter @tao0845
+ - [High] Incomplete symlink-containment remediation: an authenticated non-admin user could create a relative symlink via archive extraction, relocate it with WebDAV MOVE, and write through it to arbitrary host paths with the service account's privileges (GHSA-3j46-5w28-f8p2) reporter @Saku0512
+ - [Moderate] Source-root containment bypass: create, write, delete, and move operations now resolve symlinks uncached and enforce the caller's scope, closing escapes through pre-existing out-of-source symlinks on upload, PUT, PATCH, delete, and WebDAV endpoints (GHSA-j764-qg3m-rhv7) reporter @chaoming0625
+ - [Moderate] Preview reads resolve symlinks within the caller's scope so authenticated preview cannot follow an out-of-scope symlink target (GHSA-g2q5-r6ch-v25f) reporter @tao0845
+ - [Moderate] Archive downloads and extraction no longer read or write through symlinks that resolve outside the caller's share or user scope; escaping archive-walk entries are skipped (GHSA-qqf3-2wvq-q4w9) reporter @SmokinCaterpillar
+ - [Moderate] Share directory-archive downloads now apply the share owner's access rules to every entry, closing a bypass where anonymous share visitors could download admin-denied content (GHSA-9fcr-gm58-p839) reporter @Tan-JunWei
+ - [Moderate] Access rule paths are stored and matched case-insensitively so rules cannot be bypassed via path casing on case-insensitive filesystems; existing rules are migrated at startup (GHSA-4vrc-935w-xxq2) reporter @FrogApprentice
+
+ **New Features**:
+ - chunked uploads for large files like rclone `--owncloud-chunk-size` (#3112)
+
+ **Bug Fixes**:
+ - keep requested permissions when creating a user (#3130)
+ - add missing file modify logging to activity viewer (#3152)
+ - fix(frontend): restore upload prompt close, tab-reload, and in-app navigation guards while uploads are active (including paused uploads)
+ - fix(frontend): load the default source when browsing `/files/` with a single configured source ([#3178](https://github.com/gtsteffaniak/filebrowser/issues/3178)) (related: [#3143](https://github.com/gtsteffaniak/filebrowser/issues/3143), [#3144](https://github.com/gtsteffaniak/filebrowser/issues/3144))
+ - Path picker list and thumbnails not working in shares in the markdown editor (#3223).
+ - perf(indexing): single statx per Linux directory entry (#1890)
+
+## v2.1.2
+
+ **Security**:
+ - [High] New accounts named with ".." breaks out of scoped folder on creation (GHSA-c84q-q5g6-r47f) -- reporter @dylanzonix
+ - [Medium] Fixed session token collision issue when multiple users login simultaneously. (GHSA-c9cr-w724-gqj3) (#3135) Thanks @dl-pt reporters: @Ishtiaque-Ahmed-Risat @AlexWhiplash @tonghuaroot
+
+ **Notes**:
+ - Removed "Editor quick save" setting (`userDefaults.fileViewer.quickSave`), the save button is now always present in the editor toolbar. (#3122)
+ - add Basque (eu) translation and fix Spanish (es) strings (#3118)
+
+ **Bug Fixes**:
+ - fix(webdav): OPTIONS now advertises only methods actually supported and permitted for the user; the DAV header reports class 1 only since LOCK/UNLOCK are not enabled (#3110)
+ - fix(download): revalidate single-file downloads so a changed file is not served stale (#3133)
+ - Language switcher not working (#3114) (#3117)
+ - Viewer showing a stale image after the file changed on disk: single-file downloads are now revalidated by the browser (#3132)
+
+## v2.1.1
+
+Note: this release also contains all changes from v2.0.10-beta changelog
+
+ **New Features**:
+ - User and group picker with partial, case-insensitive search when creating access rules (#3085), assigning groups on user edit, and choosing members on group edit.
+ - New `PUT /api/access/user-groups` endpoint that atomically replaces a user's group memberships.
+ - feat(search): configure the advanced search result limit (#3058) @beemines
+ - feat(listing): add sortable Date added and Type columns (#3052) @dweebzxx
+ - feat(archive): suggest and preview ZIP filename encodings (#3024) @AnaTofuZ
+
+ **Notes**:
+ - Group API breaking changes: `POST /api/access` returns 400 when `ruleCategory=group` names a nonexistent group or `ruleCategory=user` names a nonexistent user, group endpoints return 400/409 instead of 500 for client errors, and `PUT /api/access/group` accepts a `create` flag and returns `unknownMembers`. Existing database records are unaffected; no migration is required.
+ - update halloween theme (#3055)
+ - Add soft wrap option to the editor config (#3063)
+ - add better screenshot view handling (#3059)
+ - Update nl.json (#3089) @Stephan-P
+ - update german translations (#3062) @fehnomenal
+ - Update dev dependencies, add biome, fix types and linting (#3075) @Kurami32
+
+ **Bug Fixes**:
+ - Groups assigned in the user edit prompt now refresh the Groups settings list.
+ - Creating a group with an existing name now returns a conflict instead of silently overwriting its members.
+ - Access rules can no longer create empty groups from typos; group rules must reference an existing group.
+ - Empty group names are rejected and new group names must be 2-128 characters without control characters (existing records are unaffected); deleting or renaming a user now updates group memberships.
+ - fix(auth): use login endpoint for existing TOTP authentication (#3074)
+ - fix: apply theme toggles on anonymous public shares (#3049) @mvanhorn
+ - fix(frontend): keep source named files in extractSourceFromPath (#3099) (#3095)
+ - fix(auth): identify login fields for password autofill (#3077)
+ - fix(backend): skip denied paths in multi-file downloads, 404 when none remain (#3100) @hippi345
+ - fix: persist the user scope path chosen in the edit dialog (#3065) @mvanhorn
+
 ## v2.1.0
 
  **Security**:
@@ -70,6 +234,31 @@ All notable changes to this project will be documented in this file. For commit
  - On Linux, source partition totals sum distinct filesystems mounted under the source root (nested mounts) so usage bars match indexed content (#2761)
  - Context menu stuck when opened from a listing in a prompt like move/copy or search (#3028).
 
+## v2.0.10
+
+ **Security**:
+ - [High] Restricted custom API tokens (`minimal=false`) can no longer be upgraded to a full-permission session via `POST /api/auth/renew`; renew accepts only web session tokens registered in `hashed_tokens` (GHSA-6gr6-5qpq-888p) -- thanks @tao0845.
+ - [High] TOTP re-enrollment via `POST /api/auth/otp/generate` and `POST /api/auth/otp/verify` no longer allows anonymous callers to replace an existing second factor using only the account password; reset or replace requires an authenticated self or admin session (first-time enrollment without MFA unchanged) (GHSA-qx86-4v5r-26g5) -- thanks @tao0845.
+ - [Low] Public share lyrics and subtitle media routes now honor the share's file-viewer setting, download disable flag, and download limits, matching the public download route (GHSA-p7x3-p5jj-9xfh) -- thanks Yves Soete of Blacksight LLC. @yssoe
+
+ **New Features**:
+ - Require password change at next login for password-based users: new user setting `requirePasswordChange` (user defaults + per-user admin toggle), login blocked until the user sets a new password; bootstrap admins with a generated initial password get this automatically ([#2977](https://github.com/gtsteffaniak/filebrowser/issues/2977)). Generated bootstrap passwords use a speakable `word-xxxxx-xx` form (random word from a fixed list plus a 5-character and 2-character code) instead of a long hex string, for easier handoff before the forced change.
+ - Config YAML expands `$VAR` and `${VAR}` so values such as `userPassword: "${FILEBROWSER_LDAP_USER_PASSWORD}"` work as documented (#3042).
+
+ **Notes**:
+ - Sidebar navigation tree rows are real hyperlinks: middle-click, Ctrl/Cmd+click, and Shift+click use the browser’s default new-tab or new-window behavior.
+ - Sidebar source links can now switch between aggregated usage (default) and a root-filesystem-only view via a new "Limit disk usage to source filesystem" toggle.
+ - [docker] upgraded ffmpeg from 9.0 to 9.0.2
+ - CLI setup command no longer produces full config, instead a minimal config.yaml with comments.
+
+ **Bugfixes**:
+ - Fixed slow or broken file listing when `http.baseURL` is a subpath (for example `/files/`): the default source redirect navigated to `/files/{source}` on top of the app base URL, producing `/files/files/{source}` and resolving the wrong storage source until the route recovered.
+ - Anonymous visitors on public shares could not play inline video or audio: `GET /public/api/media/stream` returned 403 because view grants were validated before share context was fully hydrated; playback now works when download and the file viewer are allowed ([#3041](https://github.com/gtsteffaniak/filebrowser/issues/3041)).
+ - Fixed inflated disk usage for sources spanning multiple ZFS datasets (or btrfs subvolumes): shared-pool filesystems are now grouped by pool and counted once, instead of multiplying capacity by the number of mounted datasets (#3025) (#2997) (#2761).
+ - LDAP `userGroups` matching now accepts CN-only config values against full `memberOf` DNs and compares case-insensitively, instead of failing the shared auth helper with strict string equality (#3044).
+ - OIDC session expires despite tokenExpirationHours (#3006).
+ - Media playback becomes stuck after opening a failing media file since v2.0.8-beta (#3031)
+
 ## v2.0.9
 
  **Security**:

CONTRIBUTING.md

@@ -16,10 +16,7 @@ Thank you for your interest in contributing to FileBrowser Quantum! This guide w
   - macOS: `brew install ffmpeg`
   - Windows: Download from [ffmpeg.org](https://ffmpeg.org/download.html)
 
-- **mupdf-tools**: For PDF preview generation
-  - Ubuntu/Debian: `sudo apt-get install mupdf-tools`
-  - macOS: `brew install mupdf-tools`
-  - Windows: Download from [mupdf.com](https://mupdf.com/downloads/)
+Document thumbnails (PDF, EPUB, Office Open XML, and similar) are generated in-process via [folio](https://github.com/gen2brain/folio). An optional office integration is used as a fallback for formats folio does not handle and for in-browser editing.
 
 ## Quick Start
 

README.md

@@ -18,7 +18,7 @@
 
 :pushpin: [Read The Official Docs](https://filebrowserquantum.com/) (currently english-only)
 
-:pushpin: [v2.0.0 is now in beta!](https://filebrowserquantum.com/en/docs/getting-started/v2/about/)
+:pushpin: [v2.0.0 is now stable!](https://filebrowserquantum.com/en/docs/getting-started/v2/about/) --> See [migration support discussion](https://github.com/gtsteffaniak/filebrowser/discussions/3105)
 
 ## About
 

_docker/Dockerfile

@@ -1,24 +1,25 @@
-FROM gtstef/ffmpeg:9.0.1-decode AS ffmpeg
+# syntax=docker/dockerfile:1.4
+FROM gtstef/ffmpeg:9.0.2 AS ffmpeg
 FROM golang:alpine AS base
 ARG VERSION
 ARG REVISION
 WORKDIR /app
+COPY ./backend/go.mod ./backend/go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
 COPY ./backend ./
-RUN apk update && apk add --no-cache gcc musl-dev
-RUN go mod download && go run ./scripts/setup-gofitz-cgo
-ENV CGO_ENABLED=1
-RUN go build -tags analytics,mupdf,musl -ldflags="-w -s \
+ENV CGO_ENABLED=0
+RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build go build -trimpath -tags analytics -ldflags="-w -s \
   -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.Version=${VERSION}' \
   -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.CommitSHA=${REVISION}'" \
   -o filebrowser .
 
-FROM node:jod-slim AS nbuild
+FROM --platform=$BUILDPLATFORM node:jod-slim AS nbuild
 WORKDIR /build
 COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
 RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates \
     && git config --global url."https://github.com/".insteadOf "git@github.com:" \
     && git config --global url."https://github.com/".insteadOf "ssh://git@github.com/"
-RUN cd frontend && npm ci --maxsockets 1
+RUN --mount=type=cache,target=/root/.npm cd frontend && npm ci --maxsockets 1
 COPY ./frontend/ ./frontend/
 WORKDIR /build/frontend
 RUN npm run build:docker
@@ -38,7 +39,7 @@ COPY --from=base --chown=filebrowser:1000 [ "/app/filebrowser", "./" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./data/config.yaml" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/reduce-rounded-corners.css", "./" ]
-COPY --from=nbuild --chown=filebrowser:1000 [ "/build/backend/internal/web/dist/", "./internal/web/dist/" ]
+COPY --from=nbuild --chown=filebrowser:1000 [ "/build/frontend/dist/", "./internal/web/dist/" ]
 ## sanity checks
 RUN [ "filebrowser", "version" ]
 RUN [ "ffmpeg", "-version" ]

_docker/Dockerfile.beta

@@ -0,0 +1,44 @@
+# syntax=docker/dockerfile:1.4
+FROM golang:alpine AS base
+ARG VERSION
+ARG REVISION
+WORKDIR /app
+COPY ./backend/go.mod ./backend/go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
+COPY ./backend ./
+ENV CGO_ENABLED=0
+RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build go build -trimpath -tags analytics -ldflags="-w -s \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.Version=${VERSION}' \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.CommitSHA=${REVISION}'" \
+  -o filebrowser .
+
+FROM --platform=$BUILDPLATFORM node:jod-slim AS nbuild
+WORKDIR /build
+COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
+RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates
+RUN --mount=type=cache,target=/root/.npm cd frontend && npm ci --maxsockets 1
+COPY ./frontend/ ./frontend/
+WORKDIR /build/frontend
+RUN npm run build:docker
+
+FROM alpine:latest
+ENV FILEBROWSER_DATABASE_PATH="/home/filebrowser/data/database.sqlite"
+ENV FILEBROWSER_CONFIG="/home/filebrowser/data/config.yaml"
+ENV PATH="$PATH:/home/filebrowser"
+RUN apk --no-cache add ca-certificates mailcap tzdata curl
+RUN adduser -D -s /bin/true -u 1000 filebrowser
+USER filebrowser
+WORKDIR /home/filebrowser
+# copy config to two locations for compatibility
+COPY --from=base --chown=filebrowser:1000 [ "/app/filebrowser", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./data/config.yaml" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/reduce-rounded-corners.css", "./" ]
+COPY --from=nbuild --chown=filebrowser:1000 [ "/build/frontend/dist/", "./internal/web/dist/" ]
+## sanity checks
+RUN [ "filebrowser", "version" ]
+# exposing default port for auto discovery.
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+  CMD curl -f http://localhost:80/health || exit 1
+ENTRYPOINT [ "./filebrowser" ]

_docker/Dockerfile.media

@@ -0,0 +1,78 @@
+# syntax=docker/dockerfile:1.4
+# GPU-capable media image: mostly-static glibc FFmpeg + dynamic VA/Vulkan/OpenCL drivers (amd64).
+# Codecs/TLS are linked into gtstef/ffmpeg:<ver> (full track, not *-static).
+#
+# amd64: libva/Mesa/Vulkan/OpenCL userspace below; NVIDIA libs come from the host toolkit.
+# arm64 (e.g. Raspberry Pi): h264_v4l2m2m uses kernel V4L2 only — no extra GPU .debs; pass
+#   /dev/video10 or /dev/video11 (and group video). Pi 5 VAAPI via /dev/dri is optional (mesa on arm64).
+FROM gtstef/ffmpeg:9.0.2 AS ffmpeg
+
+FROM golang:bookworm AS base
+ARG VERSION
+ARG REVISION
+WORKDIR /app
+COPY ./backend/go.mod ./backend/go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
+COPY ./backend ./
+ENV CGO_ENABLED=0
+RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build go build -trimpath -tags analytics -ldflags="-w -s \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.Version=${VERSION}' \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.CommitSHA=${REVISION}'" \
+  -o filebrowser .
+
+FROM --platform=$BUILDPLATFORM node:jod-slim AS nbuild
+WORKDIR /build
+COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
+RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates
+RUN --mount=type=cache,target=/root/.npm cd frontend && npm ci --maxsockets 1
+COPY ./frontend/ ./frontend/
+WORKDIR /build/frontend
+RUN npm run build:docker
+
+FROM debian:bookworm-slim AS runtime
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  ca-certificates \
+  curl \
+  mailcap \
+  tzdata \
+  && rm -rf /var/lib/apt/lists/* \
+  && (dpkg --print-architecture | grep -q amd64 \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends \
+      libva2 \
+      libva-drm2 \
+      libdrm2 \
+      libvulkan1 \
+      mesa-va-drivers \
+      mesa-vulkan-drivers \
+      ocl-icd-libopencl1 \
+      intel-media-va-driver \
+      libmfx1 \
+    && rm -rf /var/lib/apt/lists/* \
+    || true)
+COPY --from=ffmpeg [ "/ffmpeg", "/ffprobe", "/usr/local/bin/" ]
+ENV FILEBROWSER_FFMPEG_PATH="/usr/local/bin/"
+ENV FILEBROWSER_DATABASE_PATH="/home/filebrowser/data/database.sqlite"
+ENV FILEBROWSER_CONFIG="/home/filebrowser/data/config.yaml"
+ENV PATH="$PATH:/home/filebrowser"
+ENV NVIDIA_VISIBLE_DEVICES=all
+ENV NVIDIA_DRIVER_CAPABILITIES=compute,video,utility,graphics
+
+RUN useradd -m -u 1000 -s /usr/sbin/nologin filebrowser
+USER filebrowser
+WORKDIR /home/filebrowser
+
+COPY --from=base --chown=filebrowser:1000 [ "/app/filebrowser", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./data/config.yaml" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/reduce-rounded-corners.css", "./" ]
+COPY --from=nbuild --chown=filebrowser:1000 [ "/build/frontend/dist/", "./internal/web/dist/" ]
+
+RUN filebrowser version && ffmpeg -version && ffprobe -version
+
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+  CMD curl -f http://localhost:80/health || exit 1
+ENTRYPOINT [ "./filebrowser" ]

_docker/Dockerfile.playwright-general

@@ -12,7 +12,7 @@ WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 COPY [ "./backend/reduce-rounded-corners.css", "./no-rounded.css" ]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # generate duplicate 1.1MB files
 RUN dd if=/dev/zero of=/app/frontend/tests/playwright-files/1.1MB.bin bs=1024 count=1126 && dd if=/dev/zero of=/app/frontend/tests/playwright-files/1.1mb.bin bs=1024 count=1126

_docker/Dockerfile.playwright-jwt

@@ -6,7 +6,7 @@ COPY [ "./frontend/tests", "./tests" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 RUN apt update && apt install nginx -y
 RUN mv default.conf /etc/nginx/conf.d/default.conf
 RUN sed -i 's/filebrowser/localhost/g' /etc/nginx/conf.d/default.conf

_docker/Dockerfile.playwright-local

@@ -11,7 +11,7 @@ COPY [ "./_docker/src/settings/backend/config.yaml", "./"]
 COPY [ "./_docker/src/settings/backend/database.db.old", "./"]
 COPY [ "./backend/reduce-rounded-corners.css", "./no-rounded.css"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true
 RUN ./filebrowser user set testuser1 --password testuser1

_docker/Dockerfile.playwright-no-config

@@ -11,7 +11,7 @@ COPY [ "./frontend/tests/", "./tests" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # Run tests
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true

_docker/Dockerfile.playwright-noauth

@@ -11,7 +11,7 @@ COPY [ "./frontend/tests/playwright-files", "./tests/playwright-files2" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # Run tests
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true

_docker/Dockerfile.playwright-oidc

@@ -7,7 +7,7 @@ WORKDIR /app/backend/
 RUN mkdir -p ./internal/web/dist
 COPY [ "./_docker/src/oidc/backend/", "./"]
 COPY ["./backend/filebrowser", "./"]
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # Run tests
 WORKDIR /app/frontend

_docker/Dockerfile.playwright-performance

@@ -23,7 +23,7 @@ WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 COPY [ "./backend/reduce-rounded-corners.css", "./no-rounded.css" ]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true
 ENV CI=true

_docker/Dockerfile.playwright-previews

@@ -1,5 +1,8 @@
+FROM gtstef/ffmpeg:9.0.2 AS ffmpeg
+
 FROM ghcr.io/gtsteffaniak/playwright-base:chromium
 WORKDIR /app
+COPY --from=ffmpeg [ "/ffmpeg", "/ffprobe", "/usr/local/bin/" ]
 
 # Copy setup scripts first to leverage caching
 COPY [ "./_docker/src/previews/", "./" ]
@@ -10,8 +13,7 @@ COPY [ "./frontend/tests", "./tests" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
-# Run tests
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true
 RUN ./filebrowser & sleep 2 && cd ../frontend && npx playwright test

_docker/Dockerfile.playwright-proxy

@@ -6,7 +6,7 @@ COPY [ "./frontend/tests", "./tests" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 RUN apt update && apt install nginx -y
 RUN mv default.conf /etc/nginx/conf.d/default.conf
 RUN mv .htpasswd /etc/nginx/conf.d/.htpasswd

_docker/Dockerfile.playwright-screenshots

@@ -10,7 +10,7 @@ COPY [ "./backend/filebrowser", "./"]
 COPY [ "./_docker/src/screenshots/backend/*", "./"]
 
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true
 RUN ./filebrowser & sleep 2 && cd ../frontend && npx playwright test --project dark-screenshots

_docker/Dockerfile.playwright-settings

@@ -13,7 +13,7 @@ WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 COPY [ "./backend/reduce-rounded-corners.css", "./no-rounded.css"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # Run tests
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true

_docker/Dockerfile.playwright-sharing

@@ -11,7 +11,7 @@ COPY [ "./frontend/tests/", "./tests" ]
 WORKDIR /app/backend/
 COPY [ "./backend/filebrowser", "./"]
 RUN mkdir -p ./internal/web/dist
-COPY [ "./backend/internal/web/embed/", "./internal/web/dist/"]
+COPY [ "./frontend/dist/", "./internal/web/dist/"]
 
 # Run tests
 ENV FILEBROWSER_PLAYWRIGHT_TEST=true

_docker/Dockerfile.purego

@@ -0,0 +1,43 @@
+# syntax=docker/dockerfile:1.4
+FROM golang:alpine AS base
+ARG VERSION
+ARG REVISION
+WORKDIR /app
+COPY ./backend/go.mod ./backend/go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
+COPY ./backend ./
+RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build go build -trimpath -tags analytics -ldflags="-w -s \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.Version=${VERSION}' \
+  -X 'github.com/gtsteffaniak/filebrowser/backend/internal/version.CommitSHA=${REVISION}'" \
+  -o filebrowser .
+
+FROM --platform=$BUILDPLATFORM node:jod-slim AS nbuild
+WORKDIR /build
+COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
+RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates
+RUN --mount=type=cache,target=/root/.npm cd frontend && npm ci --maxsockets 1
+COPY ./frontend/ ./frontend/
+WORKDIR /build/frontend
+RUN npm run build:docker
+
+FROM alpine:latest
+ENV FILEBROWSER_DATABASE_PATH="/home/filebrowser/data/database.sqlite"
+ENV FILEBROWSER_CONFIG="/home/filebrowser/data/config.yaml"
+ENV PATH="$PATH:/home/filebrowser"
+RUN apk --no-cache add ca-certificates mailcap tzdata curl
+RUN adduser -D -s /bin/true -u 1000 filebrowser
+USER filebrowser
+WORKDIR /home/filebrowser
+# copy config to two locations for compatibility
+COPY --from=base --chown=filebrowser:1000 [ "/app/filebrowser", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./data/config.yaml" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./" ]
+COPY --from=base --chown=filebrowser:1000 [ "/app/reduce-rounded-corners.css", "./" ]
+COPY --from=nbuild --chown=filebrowser:1000 [ "/build/frontend/dist/", "./internal/web/dist/" ]
+## sanity checks
+RUN [ "filebrowser", "version" ]
+# exposing default port for auto discovery.
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+  CMD curl -f http://localhost:80/health || exit 1
+ENTRYPOINT [ "./filebrowser" ]

_docker/Dockerfile.slim

@@ -32,7 +32,7 @@ COPY --from=base --chown=filebrowser:1000 [ "/app/filebrowser", "./" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./data/config.yaml" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/config.yaml", "./" ]
 COPY --from=base --chown=filebrowser:1000 [ "/app/reduce-rounded-corners.css", "./" ]
-COPY --from=nbuild --chown=filebrowser:1000 [ "/build/backend/internal/web/dist/", "./internal/web/dist/" ]
+COPY --from=nbuild --chown=filebrowser:1000 [ "/build/frontend/dist/", "./internal/web/dist/" ]
 ## sanity checks
 RUN [ "filebrowser", "version" ]
 # exposing default port for auto discovery.

_docker/src/general/backend/config.yaml

@@ -20,3 +20,7 @@ userDefaults:
   account:
     permissions:
       share: true
+
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/jwt/backend/config.yaml

@@ -51,3 +51,7 @@ userDefaults:
     video: true
     office: true
     highQuality: true
+
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/noauth/backend/config.yaml

@@ -64,4 +64,7 @@ userDefaults:
     popup: true
     video: true
     office: true
-    highQuality: true
+    highQuality: true
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/oidc/backend/config.yaml

@@ -50,4 +50,7 @@ userDefaults:
     permissions:
       admin: false
       share: false
-      api: false
+      api: false
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/performance/backend/config.yaml

@@ -18,3 +18,7 @@ userDefaults:
   account:
     permissions:
       share: true
+
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/previews/backend/config.yaml

@@ -39,3 +39,10 @@ userDefaults:
     office: true
     models: true
     highQuality: true
+
+integrations:
+  media:
+    skipHwCheck: true
+    # Real HLS transcoding for the preview specs (requires ffmpeg in the image).
+    transcode:
+      enabled: true

_docker/src/previews/frontend/playwright.config.ts

@@ -13,23 +13,20 @@ export default defineConfig({
   globalSetup: "./tests/playwright/previews-setup",
   timeout: 10000,
   testDir: "./tests/playwright/previews",
-  /* Run tests in files in parallel */
-  fullyParallel: true,
-  /* Fail the build on CI if you accidentally left test.only in the source code. */
+  fullyParallel: false,
   forbidOnly: false,
-  /* Retry on CI only */
   retries: 2,
   workers: 10,
   reporter: "line",
-  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
   use: {
     launchOptions: {
       args: [
-        '--disable-gpu',
-        '--use-gl=swiftshader',  // CPU-based WebGL renderer built into Chromium
-        '--enable-webgl',
-        '--disable-dev-shm-usage',  // Overcome limited resource problems in Docker
-        '--no-sandbox',  // Required for Docker
+        "--autoplay-policy=no-user-gesture-required",
+        "--disable-gpu",
+        "--use-gl=swiftshader",
+        "--enable-webgl",
+        "--disable-dev-shm-usage",
+        "--no-sandbox",
       ],
     },
     storageState: "previews.json",

_docker/src/proxy/backend/config.yaml

@@ -40,3 +40,7 @@ userDefaults:
   account:
     permissions:
       share: true
+
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/screenshots/backend/config.yaml

@@ -14,5 +14,12 @@ server:
       config:
         defaultEnabled: true
 userDefaults:
+  listing:
+    viewMode: "normal"
+    # Size 4: switch-view "gallery" family resolves to icons (not gallery); list family → list.
+    gallerySize: 3
   account:
-    showAdvancedProfile: true
+    showAdvancedProfile: true
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/screenshots/frontend/playwright.config.ts

@@ -12,7 +12,7 @@ import type { PlaywrightFixtureOptions } from "./tests/playwright/test-setup";
  */
 export default defineConfig<PlaywrightFixtureOptions>({
   globalSetup: "./tests/playwright/screenshots-setup.ts",
-  timeout: 5000,
+  timeout: 60_000,
   testDir: "./tests/playwright/screenshots",
   /* Run tests in files in parallel */
   fullyParallel: false,

_docker/src/settings/backend/config.yaml

@@ -48,4 +48,7 @@ auth:
 
 userDefaults:
   listing:
-    showHidden: true
+    showHidden: true
+integrations:
+  media:
+    skipHwCheck: true

_docker/src/sharing/backend/config.yaml

@@ -27,4 +27,7 @@ frontend:
       url: "https://playwright.dev/"
       title: "Playwright"
   styling:
-    disableEventThemes: true
+    disableEventThemes: true
+integrations:
+  media:
+    skipHwCheck: true

backend/.air.toml

@@ -7,7 +7,7 @@ env_files = [".air.env"]
   entrypoint = "./tmp/filebrowser"
   args_bin = ["-c", "test_config.yaml"]
   include_ext = ["go", "tpl", "tmpl", "html"]
-  exclude_dir = ["tmp", "vendor", "internal/web/dist", "internal/web/embed", "internal/preview/testdata", "internal/preview/thumbnails", "internal/preview/heic", "swagger/docs", "internal/preview/gofitzinclude"]
+  exclude_dir = ["tmp", "vendor", "internal/web/dist", "internal/preview/testdata", "internal/preview/thumbnails", "internal/preview/heic", "swagger/docs"]
   poll = true
   poll_interval = 1000
   log = "air.log"

backend/.golangci.yml

@@ -17,7 +17,7 @@ linters:
     exhaustive:
       check:
         - switch
-        - map
+        - mapliteral
     exhaustruct:
       exclude:
         - ^net/http.Client$

backend/.goreleaser.yaml

@@ -5,137 +5,61 @@ version: 2
 before:
   hooks:
     - go mod download
-    - go run ./scripts/setup-gofitz-cgo
 
 builds:
-  # Build configuration for linux amd64
-  - id: linux-amd64
+  - id: filebrowser
+    main: main.go
+    # Flat dist layout without GOAMD64/GOARM64/GORISCV64 suffix folders (e.g. _v1, _v8.0).
+    no_unique_dist_dir: true
+    binary: >-
+      {{ .Os }}-{{ .Arch }}{{ if eq .Arch "arm" }}-{{ .Arm }}{{ end }}/filebrowser
     env:
-      - CGO_ENABLED=1
-      - CC=zig cc -target x86_64-linux-musl
+      - CGO_ENABLED=0
+    flags:
+      - -trimpath
     tags:
       - analytics
-      - mupdf
-      - musl
-    ldflags: &ldflags
+    ldflags:
       - -s -w -X github.com/gtsteffaniak/filebrowser/backend/internal/version.Version=v{{ .Version }} -X github.com/gtsteffaniak/filebrowser/backend/internal/version.CommitSHA={{ .ShortCommit }}
-    main: main.go
-    binary: filebrowser
     goos:
       - linux
-    goarch:
-      - amd64
-    hooks:
-      post:
-        - upx {{ .Path }}
-
-  # Build configuration for linux arm64
-  - id: linux-arm64
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    env:
-      - CGO_ENABLED=1
-      - CC=zig cc -target aarch64-linux-musl
-    tags:
-      - analytics
-      - mupdf
-      - musl
-    goos:
-      - linux
-    goarch:
-      - arm64
-    hooks:
-      post:
-        - upx {{ .Path }}
-
-  # Build configuration for linux riscv64
-  - id: linux-riscv64
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    env:
-      - CC=zig cc -target riscv64-linux-musl
-    # go-fitz does not provide riscv64 MuPDF libraries yet: https://github.com/gen2brain/go-fitz/tree/master/libs
-    tags:
-      - analytics
-      - musl
-    goos:
-      - linux
-    goarch:
-      - riscv64
-
-  # Build configuration for linux
-  - id: linux-arm32
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    tags:
-      - analytics
-    goos:
-      - linux
-    goarch:
-      - arm
-    goarm:
-      - "6"
-      - "7"
-    hooks:
-      post:
-        - upx {{ .Path }}  # Compress the binary with UPX
-
-  # Build configuration for windows without arm
-  - id: windows
-    env:
-      - CGO_ENABLED=1
-      # windows-gnu avoids zig rejecting Go's -tsaware when cross-compiling from macOS
-      - CC=zig cc -target x86_64-windows-gnu -lc
-    tags:
-      - analytics
-      - mupdf
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    goos:
       - windows
-    goarch:
-      - amd64
-    hooks:
-      post:
-        - upx {{ .Path }}  # Compress the binary with UPX
-
-  # Build configuration for freebsd without arm & upx
-  - id: freeBSD and freebsd-arm
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    tags:
-      - analytics
-    goos:
+      - darwin
       - freebsd
     goarch:
       - amd64
-
-  # Build configuration for macos without upx (no mupdf: CGO cross-compile from Linux CI is unsupported)
-  - id: macos
-    ldflags: *ldflags
-    main: main.go
-    binary: filebrowser
-    tags:
-      - analytics
-    goos:
-      - darwin
-    goarch:
       - arm64
-      - amd64
+      - arm
+      - riscv64
+    goarm:
+      - "6"
+      - "7"
+    ignore:
+      - goos: windows
+        goarch: arm
+      - goos: windows
+        goarch: riscv64
+      - goos: darwin
+        goarch: arm
+      - goos: darwin
+        goarch: riscv64
+      - goos: freebsd
+        goarch: arm
+      - goos: freebsd
+        goarch: arm64
+      - goos: freebsd
+        goarch: riscv64
 
 archives:
   - name_template: >
       {{- if eq .Os "windows" -}}
-      {{.ProjectName}}
+      {{.ProjectName}}{{ if ne .Arch "amd64" }}-{{ .Arch }}{{ end }}
+      {{- else if eq .Arch "arm" -}}
+      {{.Os}}-arm-{{ .Arm }}-{{.ProjectName}}
       {{- else -}}
-      {{.Os}}-{{.Arch}}{{if .Arm}}v{{.Arm}}{{end}}-{{.ProjectName}}
+      {{.Os}}-{{.Arch}}-{{.ProjectName}}
       {{- end -}}
-    formats: [ 'binary' ]
-
-checksum:
-  disable: true
+    formats: ["tar.gz"]
+    format_overrides:
+      - goos: windows
+        formats: ["zip"]

backend/build/go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/OpenPeeDeeP/depguard/v2 v2.2.1 // indirect
 	github.com/air-verse/air v1.67.4 // indirect
 	github.com/alecthomas/chroma/v2 v2.27.0 // indirect
-github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606 // indirect
+	github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606 // indirect
 	github.com/alexkohler/nakedret/v2 v2.0.6 // indirect
 	github.com/alexkohler/prealloc v1.1.0 // indirect
 	github.com/alfatraining/structtag v1.0.0 // indirect
@@ -45,7 +45,7 @@ github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606 // i
 	github.com/blizzy78/varnamelen v0.8.0 // indirect
 	github.com/bombsimon/wsl/v4 v4.7.0 // indirect
 	github.com/bombsimon/wsl/v5 v5.9.0 // indirect
-	github.com/breml/bidichk v0.3.3 // indirect
+	github.com/breml/bidichk v0.3.4 // indirect
 	github.com/breml/errchkjson v0.4.1 // indirect
 	github.com/butuzov/ireturn v0.4.1 // indirect
 	github.com/butuzov/mirror v1.3.3 // indirect
@@ -54,7 +54,7 @@ github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606 // i
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/charithe/durationcheck v0.0.11 // indirect
 	github.com/charmbracelet/colorprofile v0.4.3 // indirect
-github.com/charmbracelet/ultraviolet v0.0.0-20260922123528-4e49372c11f9 // indirect
+	github.com/charmbracelet/ultraviolet v0.0.0-20260922123528-4e49372c11f9 // indirect
 	github.com/charmbracelet/x/ansi v0.11.8 // indirect
 	github.com/charmbracelet/x/term v0.2.2 // indirect
 	github.com/charmbracelet/x/termios v0.1.1 // indirect
@@ -101,16 +101,16 @@ github.com/charmbracelet/ultraviolet v0.0.0-20260922123528-4e49372c11f9 // indir
 	github.com/gohugoio/hashstructure v1.1.0 // indirect
 	github.com/gohugoio/hugo v0.165.0 // indirect
 	github.com/golangci/asciicheck v0.5.0 // indirect
-	github.com/golangci/canonicalheader v0.0.0-20260827115959-a25c71c521f6 // indirect
+	github.com/golangci/canonicalheader v0.0.0-20260928145534-e18e5c5a078f // indirect
 	github.com/golangci/dupl v0.0.0-20260401084720-c99c5cf5c202 // indirect
 	github.com/golangci/go-printf-func-name v0.1.1 // indirect
 	github.com/golangci/gofmt v0.0.0-20260820135601-e84e05053792 // indirect
-github.com/golangci/golangci-lint/v2 v2.14.0 // indirect
-	github.com/golangci/golines v0.15.0 // indirect
+	github.com/golangci/golangci-lint/v2 v2.15.0 // indirect
+	github.com/golangci/golines v0.16.0 // indirect
 	github.com/golangci/misspell v0.8.0 // indirect
 	github.com/golangci/plugin-module-register v0.1.2 // indirect
 	github.com/golangci/revgrep v0.8.0 // indirect
-	github.com/golangci/rowserrcheck v0.0.0-20260901154044-241134db7241 // indirect
+	github.com/golangci/rowserrcheck v0.0.0-20261005233414-e0740d52dee8 // indirect
 	github.com/golangci/swaggoswag v0.0.0-20250504205917-77f2aca3143e // indirect
 	github.com/golangci/unconvert v0.0.0-20250410112200-a129a6e6413e // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
@@ -129,10 +129,10 @@ github.com/golangci/golangci-lint/v2 v2.14.0 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/julz/importas v0.2.0 // indirect
 	github.com/karamaru-alpha/copyloopvar v1.2.2 // indirect
-	github.com/kisielk/errcheck v1.20.0 // indirect
+	github.com/kisielk/errcheck v1.30.0 // indirect
 	github.com/kkHAIKE/contextcheck v1.1.6 // indirect
 	github.com/kulti/thelper v0.7.1 // indirect
-	github.com/kunwardeep/paralleltest v1.0.15 // indirect
+	github.com/kunwardeep/paralleltest v1.0.16 // indirect
 	github.com/ldez/exptostd v0.4.5 // indirect
 	github.com/ldez/gomoddirectives v0.10.0 // indirect
 	github.com/ldez/grignotin v0.10.1 // indirect
@@ -147,17 +147,17 @@ github.com/golangci/golangci-lint/v2 v2.14.0 // indirect
 	github.com/maratori/testableexamples v1.0.1 // indirect
 	github.com/maratori/testpackage v1.1.2 // indirect
 	github.com/matoous/godox v1.1.0 // indirect
-	github.com/mattn/go-colorable v0.1.15 // indirect
+	github.com/mattn/go-colorable v0.1.16 // indirect
 	github.com/mattn/go-isatty v0.0.24 // indirect
 	github.com/mattn/go-runewidth v0.0.30 // indirect
-github.com/mgechev/revive v1.17.0 // indirect
+	github.com/mgechev/revive v1.17.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/moricho/tparallel v0.3.2 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/nakabonne/nestif v0.3.1 // indirect
-	github.com/nishanths/exhaustive v0.13.0 // indirect
-	github.com/nishanths/predeclared v0.2.2 // indirect
+	github.com/nishanths/exhaustive v0.15.0 // indirect
+	github.com/nishanths/predeclared v0.3.0 // indirect
 	github.com/nunnatsa/ginkgolinter v0.24.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.4.3 // indirect
@@ -200,15 +200,15 @@ github.com/mgechev/revive v1.17.0 // indirect
 	github.com/swaggo/swag v1.16.6 // indirect
 	github.com/tdewolff/parse/v2 v2.8.16 // indirect
 	github.com/tetafro/godot v1.5.6 // indirect
-github.com/timakin/bodyclose v0.0.0-20260923065923-98ded9ab4ef2 // indirect
-	github.com/timonwong/loggercheck v0.12.0 // indirect
-	github.com/tomarrell/wrapcheck/v2 v2.12.0 // indirect
+	github.com/timakin/bodyclose v0.0.0-20260923065923-98ded9ab4ef2 // indirect
+	github.com/timonwong/loggercheck v0.13.0 // indirect
+	github.com/tomarrell/wrapcheck/v2 v2.13.0 // indirect
 	github.com/tommy-muehle/go-mnd/v2 v2.5.1 // indirect
 	github.com/ultraware/funlen v0.2.0 // indirect
 	github.com/ultraware/whitespace v0.2.0 // indirect
 	github.com/urfave/cli/v2 v2.27.7 // indirect
-	github.com/uudashr/gocognit v1.2.1 // indirect
-	github.com/uudashr/iface v1.5.1 // indirect
+	github.com/uudashr/gocognit v1.3.0 // indirect
+	github.com/uudashr/iface v1.5.3 // indirect
 	github.com/xen0n/gosmopolitan v1.3.0 // indirect
 	github.com/xo/terminfo v1.2.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 // indirect
@@ -225,14 +225,14 @@ github.com/timakin/bodyclose v0.0.0-20260923065923-98ded9ab4ef2 // indirect
 	go.yaml.in/yaml/v2 v2.4.4 // indirect
 	go.yaml.in/yaml/v3 v3.0.5 // indirect
 	golang.org/x/exp/typeparams v0.0.0-20260908205506-85c1c2202aba // indirect
-	golang.org/x/mod v0.41.0 // indirect
-	golang.org/x/sync v0.23.0 // indirect
-	golang.org/x/sys v0.48.0 // indirect
+	golang.org/x/mod v0.42.0 // indirect
+	golang.org/x/sync v0.24.0 // indirect
+	golang.org/x/sys v0.49.0 // indirect
 	golang.org/x/text v0.42.0 // indirect
-	golang.org/x/tools v0.50.0 // indirect
+	golang.org/x/tools v0.52.0 // indirect
 	google.golang.org/protobuf v1.36.12 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	honnef.co/go/tools v0.8.1 // indirect
+	honnef.co/go/tools v0.8.2 // indirect
 	mvdan.cc/gofumpt v0.12.0 // indirect
 	mvdan.cc/unparam v0.0.0-20260823230713-2fa3d841b0c8 // indirect
 	sigs.k8s.io/yaml v1.6.0 // indirect

backend/build/go.sum

@@ -56,8 +56,6 @@ github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8v
 github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
 github.com/alecthomas/chroma/v2 v2.27.0 h1:FodwmyOBgJULFYmDqibcp9pvfDLWdtPRh9v/r5BXYZs=
 github.com/alecthomas/chroma/v2 v2.27.0/go.mod h1:NjJ3ciIgrqBNeIkWZ4e46nseoLDslxU1LmfCoL+wcY8=
-github.com/alecthomas/go-check-sumtype v0.4.0 h1:gd4mE4QsA62sXlnFIs8GUv8/0xH3DOUqTkYQR1l2v28=
-github.com/alecthomas/go-check-sumtype v0.4.0/go.mod h1:aYYllI8IXNjo7ZYUzI2+wyLRECMg3zo+8CZj9JTBAWU=
 github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606 h1:dXPJ+uOJLWb8rjlAuLX7JPiRJtZKw/53Ol+WxdDJ1Eo=
 github.com/alecthomas/go-check-sumtype v0.5.1-0.20260828200218-ae6904d28606/go.mod h1:ZH31IJyNpxpStxP2ayCcPQz+3T2G/OnxIQqe4LWvSDw=
 github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
@@ -122,8 +120,8 @@ github.com/bombsimon/wsl/v4 v4.7.0 h1:1Ilm9JBPRczjyUs6hvOPKvd7VL1Q++PL8M0SXBDf+j
 github.com/bombsimon/wsl/v4 v4.7.0/go.mod h1:uV/+6BkffuzSAVYD+yGyld1AChO7/EuLrCF/8xTiapg=
 github.com/bombsimon/wsl/v5 v5.9.0 h1:WCrgZ7RQnZO5oEwbVTlYgBdU3wL294kR1BSWV8vTfsU=
 github.com/bombsimon/wsl/v5 v5.9.0/go.mod h1:kjo4HiAV5FDkHC8/uzJq9mBffEEd6WT/nvN7DoMovDM=
-github.com/breml/bidichk v0.3.3 h1:WSM67ztRusf1sMoqH6/c4OBCUlRVTKq+CbSeo0R17sE=
-github.com/breml/bidichk v0.3.3/go.mod h1:ISbsut8OnjB367j5NseXEGGgO/th206dVa427kR8YTE=
+github.com/breml/bidichk v0.3.4 h1:70G6w80G6GDZTUURHTC5gBKVjMLMw2736CzXquSf5Ek=
+github.com/breml/bidichk v0.3.4/go.mod h1:GOHprnh4i0V7HrvWjtbvbpicTUcqoYt9zYESKcJkk4M=
 github.com/breml/errchkjson v0.4.1 h1:keFSS8D7A2T0haP9kzZTi7o26r7kE3vymjZNeNDRDwg=
 github.com/breml/errchkjson v0.4.1/go.mod h1:a23OvR6Qvcl7DG/Z4o0el6BRAjKnaReoPQFciAl9U3s=
 github.com/butuzov/ireturn v0.4.1 h1:vWb3NO4t77iku/sjCQ/2pHTQeOmxEhjIriJqRLg1Y+I=
@@ -140,8 +138,6 @@ github.com/charithe/durationcheck v0.0.11 h1:g1/EX1eIiKS57NTWsYtHDZ/APfeXKhye1Di
 github.com/charithe/durationcheck v0.0.11/go.mod h1:x5iZaixRNl8ctbM+3B2RrPG5t856TxRyVQEnbIEM2X4=
 github.com/charmbracelet/colorprofile v0.4.3 h1:QPa1IWkYI+AOB+fE+mg/5/4HRMZcaXex9t5KX76i20Q=
 github.com/charmbracelet/colorprofile v0.4.3/go.mod h1:/zT4BhpD5aGFpqQQqw7a+VtHCzu+zrQtt1zhMt9mR4Q=
-github.com/charmbracelet/ultraviolet v0.0.0-20260910203606-6c9e17dc7a16 h1:/hSCZO1puetbGd2JikHKN0nAcb2mFevzxJElFoduhaw=
-github.com/charmbracelet/ultraviolet v0.0.0-20260910203606-6c9e17dc7a16/go.mod h1:JFvmQPZh3uAu7PpSZU91bcR0BrIy24HhW+0EsW1uGxE=
 github.com/charmbracelet/ultraviolet v0.0.0-20260922123528-4e49372c11f9 h1:ZGHc3eaN2TIhkpwRibtr8N9jLQJOY1rh6GEByRoRmp4=
 github.com/charmbracelet/ultraviolet v0.0.0-20260922123528-4e49372c11f9/go.mod h1:D9SVXVpAsD1pP6xR6BiERbe4+dUU6EW9US1TFrNutGA=
 github.com/charmbracelet/x/ansi v0.11.8 h1:JMFwp0CgDC2+jcOB162HH5k7I3FVbgFSMMYg7dSPBQQ=
@@ -286,28 +282,26 @@ github.com/gohugoio/hugo-goldmark-extensions/passthrough v0.5.0 h1:p13Q0DBCrBRpJ
 github.com/gohugoio/hugo-goldmark-extensions/passthrough v0.5.0/go.mod h1:ob9PCHy/ocsQhTz68uxhyInaYCbbVNpOOrJkIoSeD+8=
 github.com/golangci/asciicheck v0.5.0 h1:jczN/BorERZwK8oiFBOGvlGPknhvq0bjnysTj4nUfo0=
 github.com/golangci/asciicheck v0.5.0/go.mod h1:5RMNAInbNFw2krqN6ibBxN/zfRFa9S6tA1nPdM0l8qQ=
-github.com/golangci/canonicalheader v0.0.0-20260827115959-a25c71c521f6 h1:fVLolA3dG6s0brGetsiDAtcnpMSwVa2LqXJEw/9RJG4=
-github.com/golangci/canonicalheader v0.0.0-20260827115959-a25c71c521f6/go.mod h1:1xo+NFW5S+bEf2DKXhaxuzvcDN5AR6o/KMwvqC5Mkpo=
+github.com/golangci/canonicalheader v0.0.0-20260928145534-e18e5c5a078f h1:pOnwRNeWLPkADfkgqKcCP7RPQAS9OIzffaBaktRsKnk=
+github.com/golangci/canonicalheader v0.0.0-20260928145534-e18e5c5a078f/go.mod h1:aXo+AVSX0pC3TRo2wAfR92YwBKfG6C2eal+omjKXwYw=
 github.com/golangci/dupl v0.0.0-20260401084720-c99c5cf5c202 h1:CbTB8KpqnViI6lIXxp03Oclc4VFHi3K4BWC1TacsZ+A=
 github.com/golangci/dupl v0.0.0-20260401084720-c99c5cf5c202/go.mod h1:NUw9Zr2Sy7+HxzdjIULge71wI6yEg1lWQr7Evcu8K0E=
 github.com/golangci/go-printf-func-name v0.1.1 h1:hIYTFJqAGp1iwoIfsNTpoq1xZAarogrvjO9AfiW3B4U=
 github.com/golangci/go-printf-func-name v0.1.1/go.mod h1:Es64MpWEZbh0UBtTAICOZiB+miW53w/K9Or/4QogJss=
 github.com/golangci/gofmt v0.0.0-20260820135601-e84e05053792 h1:WL8YKrt3UbOBqSRU7GpP5BTtQTMWtVtj+mfPijgZeIg=
 github.com/golangci/gofmt v0.0.0-20260820135601-e84e05053792/go.mod h1:te5hX0dW4C5r6YbXs+6ysNr8Q5UTmdIqGbb+mlFiYmA=
-github.com/golangci/golangci-lint/v2 v2.13.2 h1:bCyq3E4vo9qwzifjpzJqYndEt7Ncva80qkk8G2B4TXU=
-github.com/golangci/golangci-lint/v2 v2.13.2/go.mod h1:5xaMd1kAxV7GSBPEyngw8gnnjoRocqW9UVKdBR6627w=
-github.com/golangci/golangci-lint/v2 v2.14.0 h1:ot8QffRa4LzAAEgtvNYrVs9esxQ7xoTwoAv6uhp4ngA=
-github.com/golangci/golangci-lint/v2 v2.14.0/go.mod h1:amHimCzNDP1GfVno3hIiNssjvqXmuW+CPZAHOdR4cIc=
-github.com/golangci/golines v0.15.0 h1:Qnph25g8Y1c5fdo1X7GaRDGgnMHgnxh4Gk4VfPTtRx0=
-github.com/golangci/golines v0.15.0/go.mod h1:AZjXd23tbHMpowhtnGlj9KCNsysj72aeZVVHnVcZx10=
+github.com/golangci/golangci-lint/v2 v2.15.0 h1:w94zf8HAYI7hm3164kwKsvZRuqXvY+YxeFoTbu1OLg8=
+github.com/golangci/golangci-lint/v2 v2.15.0/go.mod h1:/FRI304IxqDVhX2o3ZZ0qp8Vvz8egJdzCY5A4GjvmTU=
+github.com/golangci/golines v0.16.0 h1:xKdwzRvwzLd7V131B/dv90vUiEoTA0vQybdeqperPOg=
+github.com/golangci/golines v0.16.0/go.mod h1:mCMgRQHiCvuALJOeaNtylu09zbzvS9Ka01dfvLLJios=
 github.com/golangci/misspell v0.8.0 h1:qvxQhiE2/5z+BVRo1kwYA8yGz+lOlu5Jfvtx2b04Jbg=
 github.com/golangci/misspell v0.8.0/go.mod h1:WZyyI2P3hxPY2UVHs3cS8YcllAeyfquQcKfdeE9AFVg=
 github.com/golangci/plugin-module-register v0.1.2 h1:e5WM6PO6NIAEcij3B053CohVp3HIYbzSuP53UAYgOpg=
 github.com/golangci/plugin-module-register v0.1.2/go.mod h1:1+QGTsKBvAIvPvoY/os+G5eoqxWn70HYDm2uvUyGuVw=
 github.com/golangci/revgrep v0.8.0 h1:EZBctwbVd0aMeRnNUsFogoyayvKHyxlV3CdUA46FX2s=
 github.com/golangci/revgrep v0.8.0/go.mod h1:U4R/s9dlXZsg8uJmaR1GrloUr14D7qDl8gi2iPXJH8k=
-github.com/golangci/rowserrcheck v0.0.0-20260901154044-241134db7241 h1:0kPqfqytQizeQ9WBk487NcsGcRdS8YhHeUhXxkfEAhA=
-github.com/golangci/rowserrcheck v0.0.0-20260901154044-241134db7241/go.mod h1:lczq5oJ8PxpMESQG6dO3iFYTQPhpqoMOYw//n2FEnHA=
+github.com/golangci/rowserrcheck v0.0.0-20261005233414-e0740d52dee8 h1:oN042y1yEcpldrqY81puyNA4ZjQZJzt0U/t7HyYrMic=
+github.com/golangci/rowserrcheck v0.0.0-20261005233414-e0740d52dee8/go.mod h1:T1Bg58Sk3N352aBbPLJPpHykFWxEEwV3o4/Enn+PPU8=
 github.com/golangci/swaggoswag v0.0.0-20250504205917-77f2aca3143e h1:ai0EfmVYE2bRA5htgAG9r7s3tHsfjIhN98WshBTJ9jM=
 github.com/golangci/swaggoswag v0.0.0-20250504205917-77f2aca3143e/go.mod h1:Vrn4B5oR9qRwM+f54koyeH3yzphlecwERs0el27Fr/s=
 github.com/golangci/unconvert v0.0.0-20250410112200-a129a6e6413e h1:gD6P7NEo7Eqtt0ssnqSJNNndxe69DOQ24A5h7+i3KpM=
@@ -363,8 +357,8 @@ github.com/julz/importas v0.2.0 h1:y+MJN/UdL63QbFJHws9BVC5RpA2iq0kpjrFajTGivjQ=
 github.com/julz/importas v0.2.0/go.mod h1:pThlt589EnCYtMnmhmRYY/qn9lCf/frPOK+WMx3xiJY=
 github.com/karamaru-alpha/copyloopvar v1.2.2 h1:yfNQvP9YaGQR7VaWLYcfZUlRP2eo2vhExWKxD/fP6q0=
 github.com/karamaru-alpha/copyloopvar v1.2.2/go.mod h1:oY4rGZqZ879JkJMtX3RRkcXRkmUvH0x35ykgaKgsgJY=
-github.com/kisielk/errcheck v1.20.0 h1:9rwHBNKzd4wkDWcROy3DvFGNqEPlkxBg305rvk7HabI=
-github.com/kisielk/errcheck v1.20.0/go.mod h1:O+f80MKNwX8Oor2jwgpeQ9An7uJm+hRSgT+h22knRJU=
+github.com/kisielk/errcheck v1.30.0 h1:ZIxNDAfAd4larXHTceoZP/dYPAB90dHg1OYhA2sVh5k=
+github.com/kisielk/errcheck v1.30.0/go.mod h1:uiCAInmFuyOje4VDdbQSP9mgqf5gORYSXrDf19XilsI=
 github.com/kkHAIKE/contextcheck v1.1.6 h1:7HIyRcnyzxL9Lz06NGhiKvenXq7Zw6Q0UQu/ttjfJCE=
 github.com/kkHAIKE/contextcheck v1.1.6/go.mod h1:3dDbMRNBFaq8HFXWC1JyvDSPm43CmE6IuHam8Wr0rkg=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -376,8 +370,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kulti/thelper v0.7.1 h1:fI8QITAoFVLx+y+vSyuLBP+rcVIB8jKooNSCT2EiI98=
 github.com/kulti/thelper v0.7.1/go.mod h1:NsMjfQEy6sd+9Kfw8kCP61W1I0nerGSYSFnGaxQkcbs=
-github.com/kunwardeep/paralleltest v1.0.15 h1:ZMk4Qt306tHIgKISHWFJAO1IDQJLc6uDyJMLyncOb6w=
-github.com/kunwardeep/paralleltest v1.0.15/go.mod h1:di4moFqtfz3ToSKxhNjhOZL+696QtJGCFe132CbBLGk=
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@@ -414,16 +408,14 @@ github.com/matoous/godox v1.1.0 h1:W5mqwbyWrwZv6OQ5Z1a/DHGMOvXYCBP3+Ht7KMoJhq4=
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@@ -442,10 +434,10 @@ github.com/nakabonne/nestif v0.3.1 h1:wm28nZjhQY5HyYPx+weN3Q65k6ilSBxDb8v5S81B81
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@@ -575,14 +567,12 @@ github.com/tetafro/godot v1.5.6 h1:IEkrFCwXaYHlOn4mGzGS3F3dkP6m9t0jpwqBFPIkKiA=
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@@ -591,10 +581,10 @@ github.com/ultraware/whitespace v0.2.0 h1:TYowo2m9Nfj1baEQBjuHzvMRbp19i+RCcRYrSW
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@@ -659,8 +649,8 @@ golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -670,8 +660,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
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@@ -679,8 +669,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -694,8 +684,8 @@ golang.org/x/sys v0.0.0-20211105183446-c75c47738b0c/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -716,8 +706,8 @@ golang.org/x/tools v0.1.1-0.20210302220138-2ac05c832e1a/go.mod h1:9bzcO0MWcOuT0t
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@@ -734,8 +724,8 @@ gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EV
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.8.1 h1:+JKf3xJ1ni4CwrhVg4/pqsfPGP6vNAXcKbMXJodYx3w=
-honnef.co/go/tools v0.8.1/go.mod h1:XA+OnlRA9EDh/ukGvXMNSZNKGwFQJ+5dER0ioUkOxks=
+honnef.co/go/tools v0.8.2 h1:+jPbCzuYxYrcoOvCecYUFDj+XJQRmzIhJmlbpps21Zk=
+honnef.co/go/tools v0.8.2/go.mod h1:xG1Q4n+mg3bKZrO6RWFA9jFlkqplflmDRHGeuexiLDs=
 mvdan.cc/gofumpt v0.12.0 h1:1Lbudkz2kpM9Cjz2pL4M19u7q+GaEhCTNf7N9mfpcho=
 mvdan.cc/gofumpt v0.12.0/go.mod h1:SmBHHrljiZu/uoypeKup3rFzP6eoC9UwCp2iH5E3jZA=
 mvdan.cc/unparam v0.0.0-20260823230713-2fa3d841b0c8 h1:Re1NRyLpiAt9kB+ImaaoapwWiQXrKwER4tY8fLOkDew=

backend/cmd/cli.go

@@ -8,7 +8,6 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/goccy/go-yaml"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/adapters/fs/files"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/state"
@@ -225,19 +224,11 @@ func createConfig(configpath string, noInput bool) error {
 		fmt.Printf("Error: '%s' is not a valid port. Please enter a number between 1 and 65535.\n", portStr)
 	}
 
-	for {
-		levels := askQuestion(reader, "What should the log levels be?", "info|warning|error")
-		checkLevels := SplitByMultiple(levels)
-		invalidOptions := []string{}
-		for _, level := range checkLevels {
-			if !(level == "info" || level == "warning" || level == "error" || level == "debug") {
-				invalidOptions = append(invalidOptions, level)
-			}
-		}
-		if len(invalidOptions) == 0 {
-			break
-		}
-		fmt.Printf("Error: invalid options given '%s'. valid options: 'info|warning|error|debug'.\n", invalidOptions)
+	config.Server.Logging = []settings.LogConfig{
+		{
+			Output: "stdout",
+			Levels: "info|warning|error",
+		},
 	}
 
 	for {
@@ -250,9 +241,20 @@ func createConfig(configpath string, noInput bool) error {
 		}
 		fmt.Printf("Error: '%s' is not a valid path. Please enter a path to a file ending in .sqlite", config.Server.DatabaseV2.Path)
 	}
-	config.Frontend.Name = askQuestion(reader, "What should the application brand name be?", "FileBrowser Quantum")
-	config.Auth.Methods.PasswordAuth.AdminUsername = askQuestion(reader, "What should the default admin username be?", "admin")
-	config.Auth.Methods.PasswordAuth.AdminPassword = askQuestion(reader, "What should the default admin password be?", "admin")
+	const defaultFrontendName = "FileBrowser Quantum"
+	brandName := askQuestion(reader, "What should the application brand name be?", defaultFrontendName)
+	if brandName != defaultFrontendName {
+		config.Frontend.Name = brandName
+	}
+	adminUsername := askQuestion(reader, "What should the default admin username be?", "admin")
+	if adminUsername != "admin" {
+		config.Auth.Methods.PasswordAuth.AdminUsername = adminUsername
+	}
+	const adminPasswordGenerateDefault = "generate on startup"
+	adminPassword := askQuestion(reader, "What should the default admin password be?", adminPasswordGenerateDefault)
+	if adminPassword != "" && !strings.EqualFold(adminPassword, adminPasswordGenerateDefault) {
+		config.Auth.Methods.PasswordAuth.AdminPassword = adminPassword
+	}
 
 	modifyDefault := askYesNoQuestion(reader, "Should a new user be able to modify content by default?", "no")
 	config.Server.Sources[0].Config.DefaultPermissions = settings.NormalizeSourceFilePermissions(users.SourceFilePermissions{
@@ -266,12 +268,12 @@ func createConfig(configpath string, noInput bool) error {
 
 	fmt.Println("--- 	Configuration Complete 	---")
 
-	yamlData, err := yaml.Marshal(&config)
+	yamlData, err := generateSetupConfigYAML(&config)
 	if err != nil {
-		return fmt.Errorf("marshaling config: %w", err)
+		return fmt.Errorf("generating config YAML: %w", err)
 	}
 
-	err = os.WriteFile(configpath, yamlData, 0600)
+	err = os.WriteFile(configpath, []byte(yamlData), 0600)
 	if err != nil {
 		return fmt.Errorf("writing config file: %w", err)
 	}
@@ -291,6 +293,27 @@ func createConfig(configpath string, noInput bool) error {
 	return nil
 }
 
+// setupConfigYAMLCandidates lists on-disk setup templates for config.generated.yaml.
+var setupConfigYAMLCandidates = []string{
+	"frontend/public/config.generated.yaml",
+	"../frontend/public/config.generated.yaml",
+	"internal/web/dist/config.generated.yaml",
+	"../internal/web/dist/config.generated.yaml",
+	"backend/internal/web/dist/config.generated.yaml",
+}
+
+func readSetupConfigTemplateYAML() (string, error) {
+	return settings.ReadFirstExistingFile(setupConfigYAMLCandidates)
+}
+
+func generateSetupConfigYAML(config *settings.Settings) (string, error) {
+	embeddedYaml, err := readSetupConfigTemplateYAML()
+	if err == nil {
+		return settings.GenerateConfigYamlWithEmbedded(config, true, false, false, embeddedYaml)
+	}
+	return settings.GenerateConfigYaml(config, true, false, false)
+}
+
 func generateYaml() {
 	generateConfig := os.Getenv("FILEBROWSER_GENERATE_CONFIG") == "true"
 	if generateConfig || settings.Env.IsDevMode {

backend/cmd/cli_setup_yaml_test.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func writeSetupConfigYAML(t *testing.T, root, relPath, content string) {
+	t.Helper()
+	path := filepath.Join(root, filepath.FromSlash(relPath))
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(path, []byte(content), 0o644); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestReadSetupConfigTemplateYAML_fromDist(t *testing.T) {
+	root := t.TempDir()
+	writeSetupConfigYAML(t, root, "internal/web/dist/config.generated.yaml", "dist-content")
+	t.Chdir(root)
+
+	got, err := readSetupConfigTemplateYAML()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got != "dist-content" {
+		t.Fatalf("readSetupConfigTemplateYAML() = %q, want dist-content", got)
+	}
+}
+
+func TestReadSetupConfigTemplateYAML_prefersFrontendPublic(t *testing.T) {
+	root := t.TempDir()
+	writeSetupConfigYAML(t, root, "frontend/public/config.generated.yaml", "from-public")
+	writeSetupConfigYAML(t, root, "internal/web/dist/config.generated.yaml", "from-dist")
+	t.Chdir(root)
+
+	got, err := readSetupConfigTemplateYAML()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got != "from-public" {
+		t.Fatalf("readSetupConfigTemplateYAML() = %q, want from-public", got)
+	}
+}

backend/cmd/cli_test.go

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"github.com/alecthomas/kong"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -191,3 +192,26 @@ func TestSetupNoInputRejected(t *testing.T) {
 	require.Error(t, err)
 	assert.Contains(t, err.Error(), "interactive input")
 }
+
+func TestGenerateSetupConfigYAML_MinimalWithComments(t *testing.T) {
+	t.Chdir("..")
+
+	cfg := settings.SetDefaults(false)
+	cfg.Server.Sources = []*settings.Source{{Path: "/var/lib/files"}}
+	cfg.Server.DatabaseV2.Path = "./filebrowser.sqlite"
+	cfg.Http.Port = 8080
+	cfg.Server.Logging = []settings.LogConfig{
+		{Output: "stdout", Levels: "info|warning|error"},
+	}
+
+	out, err := generateSetupConfigYAML(&cfg)
+	require.NoError(t, err)
+	assert.Contains(t, out, "#")
+	assert.Contains(t, out, "/var/lib/files")
+	assert.Contains(t, out, "8080")
+	assert.NotContains(t, out, "FileBrowser Quantum")
+	assert.NotContains(t, out, "darkMode")
+	assert.NotContains(t, out, "minSearchLength:")
+	assert.NotContains(t, out, "frontend:")
+	assert.NotContains(t, out, "rules:")
+}

backend/cmd/migrate.go

@@ -289,6 +289,9 @@ func migrateUsers(oldDB *storm.DB, sqlStore *sqldb.SQLStore) error {
 		prevVersion := user.Version
 		if len(user.BackendScopes) == 0 {
 			settings.ApplyUserDefaults(user)
+			if !user.Permissions.Admin {
+				settings.ExpandBackendScopesForCreateUserDir(user)
+			}
 		}
 		if prevVersion < users.SourcePermissionsMigrationVersion {
 			// ApplyUserDefaults bumps Version; restore pre-defaults version so legacy global file ops migrate to scopes.

backend/cmd/migrate_users_defaults_test.go

@@ -27,6 +27,9 @@ func TestMigrateUsersFlow_appliesConfigDefaultsAndSourcePermissions(t *testing.T
 	prevVersion := user.Version
 	if len(user.BackendScopes) == 0 {
 		settings.ApplyUserDefaults(user)
+		if !user.Permissions.Admin {
+			settings.ExpandBackendScopesForCreateUserDir(user)
+		}
 	}
 	if prevVersion < users.SourcePermissionsMigrationVersion {
 		user.Version = prevVersion
@@ -50,7 +53,7 @@ func TestMigrateUsersFlow_appliesConfigDefaultsAndSourcePermissions(t *testing.T
 		t.Fatalf("scope permissions after migration: %+v", perms)
 	}
 	if user.BackendScopes[0].Scope != "/legacy-bolt-user" {
-		t.Fatalf("createUserDir scope=%q", user.BackendScopes[0].Scope)
+		t.Fatalf("scope after applying migration defaults=%q", user.BackendScopes[0].Scope)
 	}
 }
 

backend/cmd/root.go

@@ -9,14 +9,13 @@ import (
 	"syscall"
 	"time"
 
-	_ "net/http/pprof"
-
 	"github.com/gtsteffaniak/filebrowser/backend/internal/adapters/fs/fileutils"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/analytics"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/app"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/icons"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/preview"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/state"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/transcoding"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/utils"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/version"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/web"
@@ -52,6 +51,12 @@ func initializeDatabase(configFile string, cliMode bool) bool {
 	if err != nil {
 		logger.Fatalf("could not initialize state: %v", err)
 	}
+	// state.Open applies persisted media settings, so initialize ffmpeg once here
+	// (before wiring, which reads Env.FFmpegAvailable) instead of during config
+	// load, which would run the multi-second hardware codec probe twice.
+	if !cliMode {
+		settings.InitFFmpeg()
+	}
 	runtimeApp, err = app.WireServices(store)
 	if err != nil {
 		logger.Fatalf("could not wire services: %v", err)
@@ -87,14 +92,7 @@ func StartFilebrowser() {
 	done := make(chan struct{})             // Signals server has stopped
 	shutdownComplete := make(chan struct{}) // Signals shutdown process is complete
 
-	// Dev mode enables development features like template hot-reloading
-	_, err := os.Stat("internal/web/dist")
-	// In dev mode, always use filesystem assets. Otherwise, check if internal/web/dist exists
-	if !settings.Env.IsDevMode {
-		settings.Env.EmbeddedFs = os.IsNotExist(err)
-	}
-
-	err = utils.SetInvalidPasswordHash()
+	err := utils.SetInvalidPasswordHash()
 	if err != nil {
 		logger.Fatalf("Failed to set security hash: %v", err)
 	}
@@ -180,6 +178,13 @@ func StartFilebrowser() {
 		fileutils.ClearCacheDir(settings.Config.Server.CacheDir)
 	}
 	<-shutdownComplete
+	if transcodeMgr := transcoding.Default(); transcodeMgr != nil {
+		shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 30*time.Second)
+		if err := transcodeMgr.Close(shutdownCtx); err != nil {
+			logger.Warningf("transcode shutdown: %v", err)
+		}
+		shutdownCancel()
+	}
 	if err := fileutils.ClearDirectoryContents(settings.DownloadCacheDir()); err != nil {
 		logger.Warningf("failed to clear download spool on shutdown: %v", err)
 	}
@@ -194,14 +199,16 @@ func rootCMD(ctx context.Context, serverConfig *settings.Server, a *app.App, shu
 	numWorkers := settings.Config.Server.NumImageProcessors
 
 	// Initialize asset filesystem before starting services
-	if settings.Env.EmbeddedFs {
+	if !settings.Env.IsDevMode && web.EmbeddedFrontendAvailable() {
 		embeddedAssets := web.GetEmbeddedAssets()
-		subAssets, err := fs.Sub(embeddedAssets, "embed")
+		subAssets, err := fs.Sub(embeddedAssets, "dist")
 		if err != nil {
 			logger.Fatalf("Failed to create sub filesystem: %v", err)
 		}
+		settings.Env.EmbeddedFs = true
 		fileutils.InitAssetFS(subAssets, true, false)
 	} else {
+		settings.Env.EmbeddedFs = false
 		fileutils.InitAssetFS(nil, false, settings.Env.IsDevMode)
 	}
 
@@ -210,8 +217,6 @@ func rootCMD(ctx context.Context, serverConfig *settings.Server, a *app.App, shu
 	if err != nil {
 		logger.Fatalf("Error starting preview service: %v", err)
 	}
-	logger.Debugf("MuPDF Enabled            : %v", settings.Env.MuPdfAvailable)
-
 	// Generate PWA icons after preview service is initialized
 	if err := icons.GeneratePWAIcons(); err != nil {
 		logger.Warningf("Failed to generate PWA icons: %v", err)

backend/config.playwright.yaml

@@ -18,7 +18,6 @@ server:
 
 userDefaults:
   fileViewer:
-    editorQuickSave: false
     disableOnlyOfficeExt: ".md .txt .pdf"
     disableViewingExt: ""
   sidebar:
@@ -63,3 +62,7 @@ userDefaults:
 #office:
 #  url: "http://localhost:9052"
 #  secret: "6H1H7GzUk2alRkNxAPav0W02g8JS5oUd"
+
+integrations:
+  media:
+    skipHwCheck: true

backend/default.pgo.provenance.json

@@ -0,0 +1,23 @@
+{
+  "generatedAt": "2026-10-27T14:46:52Z",
+  "gitHead": "880900c18dc7655899398cfb7327ab4e191fc3f0",
+  "profileSha256": "371d012d4ed5bc3907667f6d35876c998af98a6cc3c71f6ea4ddf57ab4ed4bbd",
+  "workloads": [
+    "internal/thumb BenchmarkMJPEGSmall/Large",
+    "internal/thumb BenchmarkMP4H264Large",
+    "internal/thumb BenchmarkMP4H264Small (full pipeline)",
+    "internal/thumb BenchmarkMP4H264Baseline1080Small (CAVLC + thumb)",
+    "internal/thumb BenchmarkMP4H264Main1080Large",
+    "internal/thumb BenchmarkMP4H264High1080Large",
+    "internal/thumb BenchmarkThumbnailLargeWebM",
+    "internal/h264 BenchmarkBaselineThumbnailDecode (CAVLC IDR)"
+  ],
+  "hotPathGlobs": [
+    "internal/thumb/**/*.go",
+    "internal/h264/**/*.go",
+    "internal/kernels/**/*.go",
+    "internal/isobmff/**/*.go",
+    "internal/matroska/**/*.go",
+    "internal/jpegfast/**/*.go"
+  ]
+}

backend/go.mod

@@ -1,6 +1,6 @@
 module github.com/gtsteffaniak/filebrowser/backend
 
-go 1.27.0
+go 1.27.1
 
 require (
 	github.com/alecthomas/kong v1.16.1
@@ -10,8 +10,8 @@ require (
 	github.com/dhowden/tag v0.0.0-20240417053706-3d75831295e8
 	github.com/dsoprea/go-exif/v3 v3.0.1
 	github.com/evanoberholster/imagemeta v1.1.0
-	github.com/gen2brain/go-fitz v1.28.2
-	github.com/go-ldap/ldap/v3 v3.4.14
+	github.com/gen2brain/folio v0.2.8
+	github.com/go-ldap/ldap/v3 v3.4.15
 	github.com/go-playground/validator/v10 v10.30.5
 	github.com/go-webauthn/webauthn v0.18.2
 	github.com/goccy/go-yaml v1.19.2
@@ -19,41 +19,48 @@ require (
 	github.com/google/go-cmp v0.7.0
 	github.com/google/uuid v1.6.0
 	github.com/gtsteffaniak/go-cache v1.1.0
-	github.com/gtsteffaniak/go-ffmpeg v1.2.0
+	github.com/gtsteffaniak/go-ffmpeg v1.6.2
 	github.com/gtsteffaniak/go-logger v1.1.0
-	github.com/kovidgoyal/imaging v1.8.23
-	github.com/mattn/go-sqlite3 v1.14.52
+	github.com/gtsteffaniak/go-media v1.2.1
+	github.com/kovidgoyal/imaging v1.9.0
 	github.com/pquerna/otp v1.5.0
 	github.com/spf13/afero v1.15.0
 	github.com/stretchr/testify v1.12.1
-	github.com/swaggo/http-swagger v1.3.4
 	github.com/swaggo/swag v1.16.6
-	golang.org/x/crypto v0.57.0
-	golang.org/x/image v0.46.0
-	golang.org/x/mod v0.41.0
-	golang.org/x/net v0.59.0
+	golang.org/x/crypto v0.58.0
+	golang.org/x/image v0.47.0
+	golang.org/x/mod v0.42.0
+	golang.org/x/net v0.61.0
 	golang.org/x/oauth2 v0.37.0
-	golang.org/x/sys v0.48.0
-	golang.org/x/term v0.46.0
+	golang.org/x/sync v0.24.0
+	golang.org/x/sys v0.49.0
+	golang.org/x/term v0.47.0
+	golang.org/x/text v0.43.0
 	golang.org/x/time v0.16.0
-	golang.org/x/tools v0.50.0
+	golang.org/x/tools v0.52.0
 	gopkg.in/yaml.v3 v3.0.1
 	modernc.org/sqlite v1.60.1
 )
 
 require (
 	github.com/Azure/go-ntlmssp v0.1.1 // indirect
+	github.com/Eyevinn/mp4ff v0.61.0 // indirect
 	github.com/KyleBanks/depth v1.2.1 // indirect
+	github.com/abema/go-mp4 v1.7.4 // indirect
+	github.com/at-wat/ebml-go v0.19.4 // indirect
 	github.com/boombuler/barcode v1.1.0 // indirect
 	github.com/dsoprea/go-logging v0.0.0-20200710184922-b02d349568dd // indirect
 	github.com/dsoprea/go-utility/v2 v2.0.0-20221003172846-a3e1774ef349 // indirect
 	github.com/dustin/go-humanize v1.1.0 // indirect
-	github.com/ebitengine/purego v0.11.1 // indirect
-	github.com/fxamacker/cbor/v2 v2.9.4 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.15 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.6 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.16 // indirect
+	github.com/gen2brain/gav1d v0.2.6 // indirect
+	github.com/gen2brain/h265 v0.2.4 // indirect
+	github.com/gen2brain/jxl v0.2.0 // indirect
+	github.com/gen2brain/vpx v0.2.1 // indirect
 	github.com/go-asn1-ber/asn1-ber v1.5.8 // indirect
 	github.com/go-errors/errors v1.5.1 // indirect
-	github.com/go-jose/go-jose/v4 v4.1.5 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.6 // indirect
 	github.com/go-openapi/jsonpointer v1.0.2 // indirect
 	github.com/go-openapi/jsonreference v1.0.3 // indirect
 	github.com/go-openapi/spec v1.0.1 // indirect
@@ -73,34 +80,28 @@ require (
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/go-tpm v0.9.8 // indirect
+	github.com/gtsteffaniak/go-av1 v1.0.0 // indirect
+	github.com/gtsteffaniak/go-vpx v1.0.1 // indirect
 	github.com/kovidgoyal/go-parallel v1.1.1 // indirect
 	github.com/kovidgoyal/go-shm v1.0.0 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/leodido/go-urn v1.5.0 // indirect
 	github.com/mattn/go-isatty v0.0.24 // indirect
 	github.com/ncruces/go-strftime v1.1.0 // indirect
-	github.com/philhofer/fwd v1.2.0 // indirect
+	github.com/philhofer/fwd v1.2.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rogpeppe/go-internal v1.16.0 // indirect
 	github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd // indirect
-	github.com/swaggo/files v1.0.1 // indirect
 	github.com/tinylib/msgp v1.6.5 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	go.etcd.io/bbolt v1.5.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.5 // indirect
-	golang.org/x/sync v0.23.0 // indirect
-	golang.org/x/text v0.42.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/protobuf v1.36.12 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	modernc.org/libc v1.77.1 // indirect
+	modernc.org/libc v1.79.0 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.12.1 // indirect
 )
-
-exclude (
-	github.com/alecthomas/go-check-sumtype v0.5.0
-	github.com/gtsteffaniak/go-ffmpeg v1.1.0
-)

backend/go.sum

@@ -2,10 +2,14 @@ github.com/Azure/go-ntlmssp v0.1.1 h1:l+FM/EEMb0U9QZE7mKNEDw5Mu3mFiaa2GKOoTSsNDP
 github.com/Azure/go-ntlmssp v0.1.1/go.mod h1:NYqdhxd/8aAct/s4qSYZEerdPuH1liG2/X9DiVTbhpk=
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@@ -139,14 +154,23 @@ github.com/google/go-tpm-tools v0.3.13-0.20230620182252-4639ecce2aba h1:qJEJcuLz
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 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
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 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -209,12 +234,10 @@ github.com/spf13/afero v1.15.0/go.mod h1:NC2ByUVxtQs4b3sIUphxK0NioZnmxgyCrfzeuq8
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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 github.com/stretchr/testify v1.12.1 h1:EuwCh5fleGS7H32xRwO3wRGT7DxrDhLAT6FF8MpWDWE=
 github.com/stretchr/testify v1.12.1/go.mod h1:MDEgiDPPsNp5cuIrHPPCyornHKgEVbtFUmoNlxoYthg=
-github.com/swaggo/files v1.0.1 h1:J1bVJ4XHZNq0I46UU90611i9/YzdrF7x92oX1ig5IdE=
-github.com/swaggo/files v1.0.1/go.mod h1:0qXmMNH6sXNf+73t65aKeB+ApmgxdnkQzVTAj2uaMUg=
-github.com/swaggo/http-swagger v1.3.4 h1:q7t/XLx0n15H1Q9/tk3Y9L4n210XzJF5WtnDX64a5ww=
-github.com/swaggo/http-swagger v1.3.4/go.mod h1:9dAh0unqMBAlbp1uE2Uc2mQTxNMU/ha4UbucIg1MFkQ=
+github.com/sunfish-shogi/bufseekio v0.0.0-20210207115823-a4185644b365/go.mod h1:dEzdXgvImkQ3WLI+0KQpmEx8T/C/ma9KeS3AfmU899I=
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 github.com/tinylib/msgp v1.6.5 h1:iAH6XTP7BpzErjBZlujJQXxA+GmRi2YWs6M4KdLtNbE=
@@ -233,13 +256,13 @@ go.yaml.in/yaml/v3 v3.0.5 h1:N6y/pJk8buWs9NY5ERU2HSMfm+IuD/OtfdAnq6kESPw=
 go.yaml.in/yaml/v3 v3.0.5/go.mod h1:HVTZu1O7/Vkt2N+BFy8Zza+lnLsABggaTM2ZpNIGuKg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.57.0 h1:3ZVCjf8Ggz7zneR/EHRVx68Ctf+2pmIMP2UFhh9cC6M=
-golang.org/x/crypto v0.57.0/go.mod h1:Fdz0i5U6CoizGwLda9DttjSk6qlZo25zYNtR+ycvuZA=
-golang.org/x/image v0.46.0 h1:b1+oYj0Jbp6K5MDT4i4/eZpYlk3V8SJhhDKh6LBHAyQ=
-golang.org/x/image v0.46.0/go.mod h1:3B3W05VGVQyuXucLINLjXKrqISASfi4Xj+iCVkLMwew=
+golang.org/x/crypto v0.58.0 h1:COkYLr4k7nDI4r6QtMML2AfzeIswWHAJthLS6K/M/54=
+golang.org/x/crypto v0.58.0/go.mod h1:Xh+kl5A+M0gMiWDytH2Hhr5Z7WbNCpv/eB/EFgfSk+w=
+golang.org/x/image v0.47.0 h1:za/8gVz++PPZqmZJBNSISICN5Rrj5zixP/8K++fgmqo=
+golang.org/x/image v0.47.0/go.mod h1:IkN5o4A7vq55vXN8FWjjnhg9Rs2GOtffqsSi9mWAKYE=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.41.0 h1:qJmnOUb4YB+FsEuM3HcWucdZASCPGhsX6uljO6pog0c=
-golang.org/x/mod v0.41.0/go.mod h1:Ek9pY8RKWXwsWvd3rQiHYtMqkjSUV+s1Rj7j4H5Ur6o=
+golang.org/x/mod v0.42.0 h1:ICeL3t2L30ljSPHHxDnR4fqVcBt/zR2zJAb9juavmQg=
+golang.org/x/mod v0.42.0/go.mod h1:u5fzIrRInkL8MaO1cbRkUHT64v303YIT5KEqpNr7jRs=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191105084925-a882066a44e0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -250,16 +273,16 @@ golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20221002022538-bcab6841153b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.59.0 h1:5zfYln+w5XCxwrnMMJPufRgNoXEaGxl0wo5GqPXyues=
-golang.org/x/net v0.59.0/go.mod h1:2DA/G1UfVbCpQPeWTmMPGY7Cs2PkBkwu743bVX5PIVg=
+golang.org/x/net v0.61.0 h1:RR+6j/BTBCrggOLugxa+66R8FvoN6MHlzDlZIbN9YFw=
+golang.org/x/net v0.61.0/go.mod h1:WgDCOTH8iwtB66T4/GfI94AHo/hhdb7Hah9NDseQfiI=
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 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -269,29 +292,26 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/sys v0.48.0 h1:bbX/i/6MgT9BVLM9RT1thmxL04yeTAhbEz4SyadbXoo=
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-golang.org/x/tools v0.50.0 h1:c2ifzfcuY7L90lZ2aKd8S4K2NpASF08SZx9ZuJkHmSU=
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@@ -302,29 +322,34 @@ google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
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 modernc.org/fileutil v1.4.0/go.mod h1:EqdKFDxiByqxLk8ozOxObDSfcVOv/54xDs/DUHdvCUU=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
 modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
-modernc.org/gc/v3 v3.1.5 h1:21ldfPfRYE31Tb7B3mwAK8gy1AxP4+dKjrOQPfqakoc=
-modernc.org/gc/v3 v3.1.5/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
+modernc.org/gc/v3 v3.2.0 h1:/Y3LGDMQaoYf55PebP1qsZ5FDGgAZyG1RYKEHeQzh1o=
+modernc.org/gc/v3 v3.2.0/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
 modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
 modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
-modernc.org/libc v1.77.1 h1:Ct8j47QtiZ1Enj2DtFXQtUqrPCAjdCmPjtCuvrYQ0Hs=
-modernc.org/libc v1.77.1/go.mod h1:87/pZ4L6nD1zqW4nItuS12YO7hN1igAah34xjnQo/W0=
+modernc.org/libc v1.79.0 h1:9Dvvv++bAMSkSuBzuOFAatbTV5OIoq6Y6FohmD3e7q8=
+modernc.org/libc v1.79.0/go.mod h1:uT3kR61NsbeKJSLqq83GJwSnZMVLlSjyAz4DfTaBy1M=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.12.1 h1:nFMiWrpStgZczNl6XI9GnIk/rWhYIyHGUaR04pGbp9g=

backend/http/dist

@@ -1 +0,0 @@
-../../frontend/dist

backend/internal/activity/diff_test.go

@@ -53,7 +53,7 @@ func TestUserUpdateChangesFiltersUnchangedFields(t *testing.T) {
 	which := []string{
 		"preview", "stickySidebar", "darkMode", "locale", "singleClick", "sorting",
 		"showHidden", "dateFormat", "themeColor", "quickDownload", "fileLoading",
-		"sidebarLinks", "deleteAfterArchive", "preferEditorForMarkdown", "showFirstLogin",
+		"sidebarLinks", "deleteAfterArchive", "preferEditorForMarkdown", "showFirstLogin", "requirePasswordChange",
 	}
 
 	changes := UserUpdateChanges(before, &after, which, false)
@@ -141,6 +141,14 @@ func TestUserUpdateChangesExpandsNestedStructFields(t *testing.T) {
 	}
 }
 
+// Mock source paths used only as lookup keys in tests. They never touch the
+// filesystem. They are relative (and not equal to the source names) so the
+// tests are portable across machines.
+const (
+	testDownloadsPath = "./testdata/Downloads"
+	testAccessPath    = "./testdata/playwright-files"
+)
+
 type activityChangePair struct {
 	from string
 	to   string
@@ -150,9 +158,9 @@ func testDownloadsSourceConfig() *users.SourceConfigProvider {
 	return &users.SourceConfigProvider{
 		GetSourceByPath: func(path string) (users.SourceInfo, bool) {
 			switch path {
-			case "/Users/steffag/Downloads":
+			case testDownloadsPath:
 				return users.SourceInfo{Path: path, Name: "Downloads"}, true
-			case "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files":
+			case testAccessPath:
 				return users.SourceInfo{Path: path, Name: "access"}, true
 			default:
 				return users.SourceInfo{}, false
@@ -229,8 +237,8 @@ func TestUserUpdateChangesExpandsPreviewBulkToggle(t *testing.T) {
 func TestUserUpdateChangesExpandsBackendSourcePermissions(t *testing.T) {
 	withTestSourceConfig(t, testDownloadsSourceConfig())
 
-	downloadsPath := "/Users/steffag/Downloads"
-	accessPath := "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files"
+	downloadsPath := testDownloadsPath
+	accessPath := testAccessPath
 	beforePerms := users.MarkSourceFilePermissionsConfigured(users.SourceFilePermissions{
 		View: true, Download: true,
 	})
@@ -274,8 +282,8 @@ func TestUserUpdateChangesExpandsBackendSourcePermissions(t *testing.T) {
 func TestUserUpdateChangesExpandsScopePermissions(t *testing.T) {
 	withTestSourceConfig(t, testDownloadsSourceConfig())
 
-	downloadsPath := "/Users/steffag/Downloads"
-	accessPath := "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files"
+	downloadsPath := testDownloadsPath
+	accessPath := testAccessPath
 	basePerms := users.MarkSourceFilePermissionsConfigured(users.SourceFilePermissions{
 		View: true, Download: true,
 	})
@@ -353,9 +361,9 @@ func TestSidebarLinksFieldChangeIgnoresPathVsName(t *testing.T) {
 	withTestSourceConfig(t, &users.SourceConfigProvider{
 		GetSourceByPath: func(path string) (users.SourceInfo, bool) {
 			switch path {
-			case "/Users/steffag/Downloads":
+			case testDownloadsPath:
 				return users.SourceInfo{Path: path, Name: "Downloads"}, true
-			case "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files":
+			case testAccessPath:
 				return users.SourceInfo{Path: path, Name: "access"}, true
 			default:
 				return users.SourceInfo{}, false
@@ -364,9 +372,9 @@ func TestSidebarLinksFieldChangeIgnoresPathVsName(t *testing.T) {
 		GetSourceByName: func(name string) (users.SourceInfo, bool) {
 			switch name {
 			case "Downloads":
-				return users.SourceInfo{Path: "/Users/steffag/Downloads", Name: "Downloads"}, true
+				return users.SourceInfo{Path: testDownloadsPath, Name: "Downloads"}, true
 			case "access":
-				return users.SourceInfo{Path: "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files", Name: "access"}, true
+				return users.SourceInfo{Path: testAccessPath, Name: "access"}, true
 			default:
 				return users.SourceInfo{}, false
 			}
@@ -380,8 +388,8 @@ func TestSidebarLinksFieldChangeIgnoresPathVsName(t *testing.T) {
 				ShowToolsInSidebar: true,
 				SidebarLinks: []users.SidebarLink{
 					toolsLink,
-					{Name: "Downloads", Category: "source", Target: "/", SourceName: "/Users/steffag/Downloads"},
-					{Name: "access", Category: "source", Target: "/", SourceName: "/Users/steffag/git/personal/filebrowser/frontend/tests/playwright-files"},
+					{Name: "Downloads", Category: "source", Target: "/", SourceName: testDownloadsPath},
+					{Name: "access", Category: "source", Target: "/", SourceName: testAccessPath},
 				},
 			},
 		},

backend/internal/activity/record.go

@@ -163,8 +163,18 @@ func RecordPatchItem(r *http.Request, actor *Actor, action string, item MoveCopy
 	RecordUser(r, actor, entry)
 }
 
+// recordFileEvent records a file operation. Anonymous share visitors have no user ID,
+// so their uploads and deletes are attributed to the share owner.
+func recordFileEvent(r *http.Request, actor *Actor, entry activitydb.Entry) {
+	if actor != nil && actor.Share.Hash != "" && (actor.User == nil || actor.User.ID == 0) {
+		RecordShareOwner(r, actor, entry)
+		return
+	}
+	RecordUser(r, actor, entry)
+}
+
 func RecordDelete(r *http.Request, actor *Actor, source, path string) {
-	RecordUser(r, actor, activitydb.Entry{
+	recordFileEvent(r, actor, activitydb.Entry{
 		EventType: activitydb.EventDelete,
 		Source:    source,
 		Path:      path,
@@ -198,7 +208,7 @@ func RecordBulkDelete(r *http.Request, actor *Actor, succeeded []BulkDeleteItem)
 		entry.Details.Source = succeeded[0].Source
 		entry.Details.Path = succeeded[0].Path
 	}
-	RecordUser(r, actor, entry)
+	recordFileEvent(r, actor, entry)
 }
 
 func RecordUpload(r *http.Request, actor *Actor, source, path string, isDir bool) {
@@ -210,7 +220,7 @@ func RecordUpload(r *http.Request, actor *Actor, source, path string, isDir bool
 		Source: source,
 		Path:   pathLabel,
 	}
-	RecordUser(r, actor, activitydb.Entry{
+	recordFileEvent(r, actor, activitydb.Entry{
 		EventType: activitydb.EventUpload,
 		Source:    source,
 		Path:      pathLabel,
@@ -218,6 +228,20 @@ func RecordUpload(r *http.Request, actor *Actor, source, path string, isDir bool
 	})
 }
 
+// RecordFileModify appends an audit row for an in-place file content update (PUT).
+func RecordFileModify(r *http.Request, actor *Actor, source, path string) {
+	entry := activitydb.Entry{
+		EventType: activitydb.EventFileModify,
+		Source:    source,
+		Path:      path,
+		Details: activitydb.Details{
+			Source: source,
+			Path:   path,
+		},
+	}
+	recordFileEvent(r, actor, entry)
+}
+
 func RecordShareMutation(r *http.Request, actor *Actor, eventType activitydb.EventType, hash, sourceName, path string, changes []activitydb.FieldChange) {
 	details := activitydb.Details{
 		Source:    sourceName,

backend/internal/activity/record_test.go

@@ -1,9 +1,13 @@
 package activity
 
 import (
+	"net/http/httptest"
 	"testing"
+	"time"
 
 	activitydb "github.com/gtsteffaniak/filebrowser/backend/internal/database/activity"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/share"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
 )
 
 func TestAccessRuleCreateChanges(t *testing.T) {
@@ -28,6 +32,86 @@ func TestAccessRuleDeleteChanges(t *testing.T) {
 	assertFieldChange(t, changes[4], "count", "", "3")
 }
 
+func TestShareFileEventsRecordedForShareOwner(t *testing.T) {
+	store := &mockActivityStore{}
+	globalMu.Lock()
+	old := globalRecorder
+	globalMu.Unlock()
+	defer func() {
+		globalMu.Lock()
+		globalRecorder = old
+		globalMu.Unlock()
+	}()
+
+	rec := &Recorder{
+		store:         store,
+		buffer:        make([]activitydb.Entry, 0, 4),
+		flushCh:       make(chan struct{}, 1),
+		stopCh:        make(chan struct{}),
+		doneCh:        make(chan struct{}),
+		maxBuffer:     10000,
+		flushInterval: time.Hour,
+		enabled:       true,
+	}
+	globalMu.Lock()
+	globalRecorder = rec
+	globalMu.Unlock()
+	go rec.loop()
+
+	actor := &Actor{
+		User:  &users.User{FrontendUser: users.FrontendUser{Username: "anonymous"}},
+		Share: share.Share{Hash: "share-hash", UserID: 7},
+	}
+	r := httptest.NewRequest("POST", "/public/api/resources", nil)
+	RecordUpload(r, actor, "main", "/pub/new.txt", false)
+	RecordDelete(r, actor, "main", "/pub/old.txt")
+	RecordBulkDelete(r, actor, []BulkDeleteItem{{Source: "main", Path: "/pub/a.txt"}})
+	loggedIn := &Actor{
+		User:  &users.User{ID: 5, FrontendUser: users.FrontendUser{Username: "bob"}},
+		Share: share.Share{Hash: "share-hash", UserID: 7},
+	}
+	RecordUpload(r, loggedIn, "main", "/pub/bob.txt", false)
+	RecordFileModify(r, loggedIn, "main", "/pub/edited.txt")
+	RecordFileModify(r, actor, "main", "/pub/anon-edit.txt")
+	rec.Stop()
+
+	var got []activitydb.Entry
+	for _, batch := range store.inserts {
+		got = append(got, batch...)
+	}
+	want := []activitydb.EventType{
+		activitydb.EventUpload,
+		activitydb.EventDelete,
+		activitydb.EventBulkDelete,
+		activitydb.EventUpload,
+		activitydb.EventFileModify,
+		activitydb.EventFileModify,
+	}
+	if len(got) != len(want) {
+		t.Fatalf("expected %d entries, got %d: %+v", len(want), len(got), got)
+	}
+	for i, e := range got {
+		if e.EventType != want[i] {
+			t.Fatalf("entry %d: event type %q, want %q", i, e.EventType, want[i])
+		}
+	}
+	for i := 0; i < 3; i++ {
+		e := got[i]
+		if e.UserID != 7 || e.Details.ShareHash != "share-hash" {
+			t.Fatalf("anonymous share entry %d: userID=%d shareHash=%q", i, e.UserID, e.Details.ShareHash)
+		}
+	}
+	if got[3].UserID != 5 {
+		t.Fatalf("logged-in share visitor upload: userID=%d, want 5", got[3].UserID)
+	}
+	if got[4].UserID != 5 {
+		t.Fatalf("logged-in share visitor modify: userID=%d, want 5", got[4].UserID)
+	}
+	if got[5].UserID != 7 || got[5].Details.ShareHash != "share-hash" {
+		t.Fatalf("anonymous share modify: userID=%d shareHash=%q", got[5].UserID, got[5].Details.ShareHash)
+	}
+}
+
 func assertFieldChange(t *testing.T, change activitydb.FieldChange, field, from, to string) {
 	t.Helper()
 	if change.Field != field || change.From != from || change.To != to {

backend/internal/activity/remote.go

@@ -3,7 +3,6 @@ package activity
 import (
 	"net"
 	"net/http"
-	"strings"
 
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 )
@@ -11,14 +10,19 @@ import (
 func remoteIP(r *http.Request) string {
 	cfg := &settings.Config
 
+	// Forwarded client headers are only honored when the socket peer is a
+	// configured trusted proxy; otherwise a direct client could spoof its IP.
+	trustedPeer := cfg.Http.TrustProxyHeaders && settings.IsTrustedProxyPeer(r)
+
 	xff := r.Header.Get("X-Forwarded-For")
-	if cfg.Http.TrustProxyHeaders && xff != "" {
-		ips := strings.Split(xff, ",")
-		return strings.TrimSpace(ips[0])
+	if trustedPeer && xff != "" {
+		if ip := settings.TrustedProxyClientIP(xff); ip != "" {
+			return ip
+		}
 	}
 
 	xri := r.Header.Get("X-Real-IP")
-	if cfg.Http.TrustProxyHeaders && xri != "" {
+	if trustedPeer && xri != "" {
 		return xri
 	}
 

backend/internal/adapters/fs/files/file_test.go

@@ -12,11 +12,11 @@ import (
 	"time"
 
 	"github.com/gtsteffaniak/filebrowser/backend/internal/adapters/fs/fileutils"
-	liberrors "github.com/gtsteffaniak/filebrowser/backend/internal/errors"
-	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	dbsql "github.com/gtsteffaniak/filebrowser/backend/internal/database/sql"
+	liberrors "github.com/gtsteffaniak/filebrowser/backend/internal/errors"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/indexing"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/indexing/iteminfo"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 )
 
 func Test_GetRealPath(t *testing.T) {
@@ -129,7 +129,7 @@ func TestWriteFilePreservesExecutableBit(t *testing.T) {
 	waitForScannerReady(t, idx)
 
 	indexPath := "/" + scriptName
-	if err := WriteFile(sourceName, indexPath, strings.NewReader("#!/bin/sh\necho bye\n")); err != nil {
+	if err := WriteFile(sourceName, "", indexPath, strings.NewReader("#!/bin/sh\necho bye\n")); err != nil {
 		t.Fatalf("WriteFile: %v", err)
 	}
 
@@ -182,7 +182,7 @@ func TestWriteFileRejectsExistingDirectory(t *testing.T) {
 	defer stopPoll()
 	waitForScannerReady(t, idx)
 
-	err := WriteFile(sourceName, "/"+dirName, strings.NewReader("file content"))
+	err := WriteFile(sourceName, "", "/"+dirName, strings.NewReader("file content"))
 	if err == nil {
 		t.Fatal("expected error when path is an existing directory")
 	}
@@ -571,7 +571,7 @@ func TestDeleteFilesRootProtection(t *testing.T) {
 	}
 
 	// Test: Attempting to delete the root directory should return an error
-	err := DeleteFiles("test_root_protection", realTmpDir, true)
+	err := DeleteFiles("test_root_protection", "", "/", true)
 	if err == nil {
 		t.Error("DeleteFiles should return an error when trying to delete root directory")
 	}
@@ -583,13 +583,13 @@ func TestDeleteFilesRootProtection(t *testing.T) {
 	}
 
 	// Test with trailing slash - should still be blocked
-	err = DeleteFiles("test_root_protection", realTmpDir+"/", true)
+	err = DeleteFiles("test_root_protection", "", "/", true)
 	if err == nil {
 		t.Error("DeleteFiles should return an error for root directory with trailing slash")
 	}
 
 	// Test with cleaned path variations
-	err = DeleteFiles("test_root_protection", realTmpDir+"/.", true)
+	err = DeleteFiles("test_root_protection", "", "/", true)
 	if err == nil {
 		t.Error("DeleteFiles should return an error for root directory with /. suffix")
 	}
@@ -670,7 +670,7 @@ func runDeleteFilesSubfolderWithRaceStress(t *testing.T, iter int) {
 
 	waitForScannerReady(t, idx)
 
-	err := DeleteFiles(sourceName, subfolderPath, true)
+	err := DeleteFiles(sourceName, "", "/"+subfolderName, true)
 	stopPolling()
 
 	t.Logf("iteration %d: DeleteFiles finished in %s (err=%v)", iter, time.Since(start), err)
@@ -694,13 +694,130 @@ func runDeleteFilesSubfolderWithRaceStress(t *testing.T, iter int) {
 	t.Logf("iteration %d: cleaned scanners and indices", iter)
 }
 
+// TestDeleteFiles_RemovesSymlinkNotTarget verifies that deleting a symlink leaf
+// removes the link itself and never follows it to the target.
+func TestDeleteFiles_RemovesSymlinkNotTarget(t *testing.T) {
+	root := t.TempDir()
+	outside := filepath.Join(filepath.Dir(root), "outside-victim.txt")
+	if err := os.WriteFile(outside, []byte("keep me"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Symlink(outside, filepath.Join(root, "link")); err != nil {
+		t.Fatal(err)
+	}
+
+	sourceName := "test_delete_symlink"
+	indexing.SetTestIndex(sourceName, root)
+	t.Cleanup(indexing.ClearTestIndices)
+	idx := indexing.GetIndex(sourceName)
+	idx.Config.ResolvedRules.IndexingDisabled = true
+
+	if err := DeleteFiles(sourceName, "", "/link", false); err != nil {
+		t.Fatalf("DeleteFiles: %v", err)
+	}
+	if _, err := os.Lstat(filepath.Join(root, "link")); !os.IsNotExist(err) {
+		t.Fatal("symlink should have been removed")
+	}
+	got, err := os.ReadFile(outside)
+	if err != nil || string(got) != "keep me" {
+		t.Fatalf("delete followed the symlink and removed the target: %v %q", err, got)
+	}
+}
+
+// TestDeleteFiles_RejectsEscapingIntermediate verifies a delete under an
+// intermediate symlink escaping the source is refused.
+func TestDeleteFiles_RejectsEscapingIntermediate(t *testing.T) {
+	root := t.TempDir()
+	outsideDir := filepath.Join(filepath.Dir(root), "outside-dir")
+	if err := os.MkdirAll(outsideDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Symlink(outsideDir, filepath.Join(root, "evil")); err != nil {
+		t.Fatal(err)
+	}
+	victim := filepath.Join(outsideDir, "victim.txt")
+	if err := os.WriteFile(victim, []byte("keep"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	sourceName := "test_delete_escape"
+	indexing.SetTestIndex(sourceName, root)
+	t.Cleanup(indexing.ClearTestIndices)
+	idx := indexing.GetIndex(sourceName)
+	idx.Config.ResolvedRules.IndexingDisabled = true
+
+	err := DeleteFiles(sourceName, "", "/evil/victim.txt", false)
+	if !errors.Is(err, liberrors.ErrPathEscapesScope) {
+		t.Fatalf("expected ErrPathEscapesScope, got %v", err)
+	}
+	if _, err := os.Stat(victim); err != nil {
+		t.Fatal("delete escaped the bound and removed the outside file")
+	}
+}
+
+// TestWriteFile_RejectsSymlinkEscape verifies a write through a symlink leaf
+// resolving outside the source is refused before any bytes are written.
+func TestWriteFile_RejectsSymlinkEscape(t *testing.T) {
+	root := t.TempDir()
+	outside := filepath.Join(filepath.Dir(root), "outside.txt")
+	if err := os.WriteFile(outside, []byte("original"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Symlink(outside, filepath.Join(root, "evil")); err != nil {
+		t.Fatal(err)
+	}
+
+	sourceName := "test_write_symlink"
+	indexing.SetTestIndex(sourceName, root)
+	t.Cleanup(indexing.ClearTestIndices)
+	idx := indexing.GetIndex(sourceName)
+	idx.Config.ResolvedRules.IndexingDisabled = true
+
+	err := WriteFile(sourceName, "", "/evil", strings.NewReader("pwned"))
+	if !errors.Is(err, liberrors.ErrPathEscapesScope) {
+		t.Fatalf("expected ErrPathEscapesScope, got %v", err)
+	}
+	got, _ := os.ReadFile(outside)
+	if string(got) != "original" {
+		t.Fatal("write went through the symlink")
+	}
+}
+
+// TestWriteFile_RejectsMissingLeafUnderEscapingParent verifies the j764/3j46
+// primitive: writing a new file under a symlinked directory that escapes the
+// source is refused even though the leaf does not exist yet.
+func TestWriteFile_RejectsMissingLeafUnderEscapingParent(t *testing.T) {
+	root := t.TempDir()
+	outsideDir := filepath.Join(filepath.Dir(root), "outside-parent")
+	if err := os.MkdirAll(outsideDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Symlink(outsideDir, filepath.Join(root, "evil_dir")); err != nil {
+		t.Fatal(err)
+	}
+
+	sourceName := "test_write_escape_parent"
+	indexing.SetTestIndex(sourceName, root)
+	t.Cleanup(indexing.ClearTestIndices)
+	idx := indexing.GetIndex(sourceName)
+	idx.Config.ResolvedRules.IndexingDisabled = true
+
+	err := WriteFile(sourceName, "", "/evil_dir/hack.txt", strings.NewReader("pwned"))
+	if !errors.Is(err, liberrors.ErrPathEscapesScope) {
+		t.Fatalf("expected ErrPathEscapesScope, got %v", err)
+	}
+	if _, err := os.Lstat(filepath.Join(outsideDir, "hack.txt")); !os.IsNotExist(err) {
+		t.Fatal("write landed outside the source through the symlinked parent")
+	}
+}
+
 func waitForScannerReady(t *testing.T, idx *indexing.Index) {
 	t.Helper()
 	// Give the scanners a moment to initialize, but don't wait for full "ready" status
 	// The initial scan can take longer than the test timeout, but DeleteFiles will work
 	// as long as the scanners are initialized and running
 	time.Sleep(500 * time.Millisecond)
-	
+
 	// Verify scanners exist
 	status := idx.GetScannerStatus()
 	if totalScanners, ok := status["totalScanners"].(int); !ok || totalScanners == 0 {

backend/internal/adapters/fs/files/files.go

@@ -16,11 +16,13 @@ import (
 	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/errors"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/ffmpeg"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/gomedia"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/utils"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/indexing"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/indexing/iteminfo"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	"github.com/gtsteffaniak/go-logger/logger"
+	"github.com/gtsteffaniak/go-media/pkg/media"
 )
 
 // CheckPermissionsFunc allows tests to override CheckPermissions behavior
@@ -71,13 +73,18 @@ func processDirectoryMetadata(response *iteminfo.ExtendedFileInfo, idx *indexing
 	}
 	var wg sync.WaitGroup
 
-	wg.Go(func() {
-		indexPath := idx.MakeIndexPath(response.Path, true).String()
-		err := idx.RefreshDirectory(indexPath, false)
-		if err != nil {
-			logger.Debugf("Failed to refresh directory for folder size update: %v", err)
-		}
-	})
+	// Expanded listings already persisted index rows and the folder size from
+	// the freshly read directory (persistDirectoryListing); only unexpanded
+	// directory requests still need a refresh walk.
+	if !opts.Expand {
+		wg.Go(func() {
+			indexPath := idx.MakeIndexPath(response.Path, true).String()
+			err := idx.RefreshDirectory(indexPath, false)
+			if err != nil {
+				logger.Debugf("Failed to refresh directory for folder size update: %v", err)
+			}
+		})
+	}
 
 	if opts.Metadata && metadataCount > 0 {
 		addMetadataToChildren(response, opts, &wg)
@@ -88,7 +95,7 @@ func processDirectoryMetadata(response *iteminfo.ExtendedFileInfo, idx *indexing
 // finalizeResponse handles final response adjustments (OnlyOffice ID, scope stripping).
 func finalizeResponse(response *iteminfo.ExtendedFileInfo, info *iteminfo.FileInfo, realPath string, user *users.User, userScope string) {
 	// Add OnlyOffice ID if applicable
-	if settings.Config.Integrations.OnlyOffice.Secret != "" && info.Type != "directory" && iteminfo.IsOnlyOffice(info.Name) {
+	if settings.Config.Integrations.OnlyOffice.Secret != "" && !settings.Config.Integrations.OnlyOffice.IsCollabora() && info.Type != "directory" && iteminfo.IsOnlyOffice(info.Name) {
 		response.OnlyOfficeId = generateOfficeId(realPath)
 	}
 
@@ -330,6 +337,15 @@ func fileInfoFasterImpl(opts utils.FileOptions, user *users.User, s *Service) (*
 		if info.Type == "directory" && opts.HideFileExt != "" {
 			response.Files = filterFilesByExt(response.Files, opts.HideFileExt)
 		}
+		if info.Type == "directory" && opts.Expand {
+			// Expanded listings without extended attrs skip persistDirectoryListing
+			// (their placeholder preview values must not overwrite index rows), so
+			// refresh the index lazily — otherwise folder sizes here never update.
+			// Capture indexPath now: the deferred finalizeResponse strips the user
+			// scope from response.Path before returning.
+			// Coalesced per path so repeated listings do not run parallel refreshes.
+			idx.RefreshDirectoryAsync(idx.MakeIndexPath(response.Path, true).String())
+		}
 		return response, nil
 	}
 	// Process directory metadata if requested
@@ -366,7 +382,7 @@ func processContent(info *iteminfo.ExtendedFileInfo, idx *indexing.Index, opts u
 		}
 		err := extractVideoMetadata(context.Background(), extItem, info.RealPath, nil)
 		if err != nil {
-			logger.Debugf("failed to extract video metadata for file: "+info.RealPath, info.Name, err)
+			logger.Debugf("failed to extract video metadata for file: %s (%s): %v", info.RealPath, info.Name, err)
 		} else {
 			info.Metadata = extItem.Metadata
 		}
@@ -376,10 +392,13 @@ func processContent(info *iteminfo.ExtendedFileInfo, idx *indexing.Index, opts u
 		if exists {
 			info.GetSubtitles(parentInfo)
 		}
-		if opts.ExtractEmbeddedSubtitles {
-			subtitles := ffmpeg.DetectEmbeddedSubtitles(info.RealPath, info.ModTime)
-			info.Subtitles = append(info.Subtitles, subtitles...)
+		subtitles, ok := gomedia.EmbeddedSubtitles(info.RealPath, info.ModTime, func() ([]utils.SubtitleTrack, bool) {
+			return ffmpeg.DetectEmbeddedSubtitles(info.RealPath, info.ModTime), true
+		})
+		if !ok {
+			subtitles = ffmpeg.DetectEmbeddedSubtitles(info.RealPath, info.ModTime)
 		}
+		info.Subtitles = append(info.Subtitles, subtitles...)
 		return
 	}
 
@@ -449,6 +468,29 @@ func extractAudioMetadata(ctx context.Context, item *iteminfo.ExtendedItemInfo,
 		return fmt.Errorf("file with size %d MB exceeds metadata check limit: %d MB", fileInfo.Size()/1024/1024, maxSize)
 	}
 
+	// go-media fast path: tags, lyrics availability, and artwork. Unsupported or
+	// failed reads fall through to the existing dhowden/tag code below.
+	if info, ok := gomedia.Audio(realPath, getArt, func() (gomedia.AudioInfo, bool) { return legacyAudioInfo(realPath, getArt) }); ok {
+		item.Metadata = &iteminfo.MediaMetadata{
+			Title:     info.Tags.Title,
+			Artist:    info.Tags.Artist,
+			Album:     info.Tags.Album,
+			Year:      info.Tags.Year,
+			Genre:     info.Tags.Genre,
+			Track:     info.Tags.Track,
+			HasLyrics: info.HasLyrics,
+		}
+		if getDuration {
+			audioDuration(ctx, item, realPath, ffmpegService)
+		}
+		if n := len(info.Artwork); n > 0 && n <= 5*1024*1024 {
+			item.Metadata.AlbumArt = info.Artwork
+		} else if n > 5*1024*1024 {
+			logger.Debugf("Skipping album art for %s: too large (%d bytes)", realPath, n)
+		}
+		return nil
+	}
+
 	m, err := tag.ReadFrom(file)
 	if err != nil {
 		return err
@@ -472,15 +514,7 @@ func extractAudioMetadata(ctx context.Context, item *iteminfo.ExtendedItemInfo,
 	// Extract duration ONLY if explicitly requested using the ffmpeg VideoService
 	// This respects concurrency limits and gracefully handles missing ffmpeg
 	if getDuration {
-		service := ffmpegService
-		if service == nil {
-			service = ffmpeg.Get()
-		}
-		if service != nil {
-			if duration, err := service.GetMediaDuration(ctx, realPath); err == nil {
-				item.Metadata.Duration = int(duration)
-			}
-		}
+		audioDuration(ctx, item, realPath, ffmpegService)
 	}
 
 	if !getArt {
@@ -500,6 +534,30 @@ func extractAudioMetadata(ctx context.Context, item *iteminfo.ExtendedItemInfo,
 	return nil
 }
 
+// audioDuration sets the duration on item.Metadata. go-media reads it from the
+// container header first, then ffmpeg is used.
+func audioDuration(ctx context.Context, item *iteminfo.ExtendedItemInfo, realPath string, ffmpegService *ffmpeg.FFmpegService) {
+	service := ffmpegService
+	if service == nil {
+		service = ffmpeg.Get()
+	}
+	// The shadow run can outlive the request, so it uses a context that is not cancelled with it.
+	shadowCtx := context.WithoutCancel(ctx)
+	legacy := func() (float64, bool) {
+		d, err := service.GetMediaDuration(shadowCtx, realPath)
+		return d, err == nil
+	}
+	if duration, ok := gomedia.Duration(realPath, legacy); ok {
+		item.Metadata.Duration = int(duration)
+		return
+	}
+	if service != nil {
+		if duration, err := service.GetMediaDuration(ctx, realPath); err == nil {
+			item.Metadata.Duration = int(duration)
+		}
+	}
+}
+
 var lyricsSidecarExts = []string{".elrc", ".lrc", ".srt", ".vtt"}
 
 func lyricsSidecar(dir, nameWithoutExt, ext string) (path string, ok bool) {
@@ -569,6 +627,11 @@ func hasLyricsSidecar(realPath string) bool {
 
 // Returns raw lyrics from an audio file (from embedded tags or from sidecar files with the same name).
 func ExtractLyrics(realPath string) (string, string, error) {
+	// go-media fast path: sidecar first, then embedded tags. Falls through to the
+	// existing code below when unsupported or failed.
+	if text, format, ok := gomedia.Lyrics(realPath, func() (gomedia.LyricsResult, bool) { return legacyLyrics(realPath) }); ok {
+		return text, format, nil
+	}
 	if data, ext, ok := findLyricsSidecar(realPath); ok {
 		return string(data), ext, nil
 	}
@@ -587,27 +650,100 @@ func ExtractLyrics(realPath string) (string, string, error) {
 	return "", "", nil
 }
 
+// legacyAudioInfo is the dhowden tag read used as the shadow-mode comparison
+// for gomedia.Audio. It returns the same fields go-media returns, so the two
+// can be compared. Cover bytes are read only when withArt is true.
+func legacyAudioInfo(realPath string, withArt bool) (gomedia.AudioInfo, bool) {
+	f, err := os.Open(realPath)
+	if err != nil {
+		return gomedia.AudioInfo{}, false
+	}
+	defer f.Close()
+	m, err := tag.ReadFrom(f)
+	if err != nil {
+		return gomedia.AudioInfo{}, false
+	}
+	track, _ := m.Track()
+	info := gomedia.AudioInfo{
+		Tags: media.Tags{
+			Title:  m.Title(),
+			Artist: m.Artist(),
+			Album:  m.Album(),
+			Year:   m.Year(),
+			Genre:  m.Genre(),
+			Track:  track,
+		},
+		HasLyrics: strings.TrimSpace(m.Lyrics()) != "" || hasLyricsSidecar(realPath),
+	}
+	if withArt {
+		if pic := m.Picture(); pic != nil {
+			info.Artwork = pic.Data
+		}
+	}
+	return info, true
+}
+
+// legacyLyrics is the sidecar and dhowden lyrics read used as the shadow-mode
+// comparison for gomedia.Lyrics. Sidecar first, then embedded, as in go-media.
+func legacyLyrics(realPath string) (gomedia.LyricsResult, bool) {
+	if data, ext, ok := findLyricsSidecar(realPath); ok {
+		return gomedia.LyricsResult{Text: strings.TrimSpace(string(data)), Format: ext}, true
+	}
+	f, err := os.Open(realPath)
+	if err != nil {
+		return gomedia.LyricsResult{}, false
+	}
+	defer f.Close()
+	m, err := tag.ReadFrom(f)
+	if err != nil {
+		return gomedia.LyricsResult{}, false
+	}
+	text := strings.TrimSpace(m.Lyrics())
+	if text == "" {
+		return gomedia.LyricsResult{}, false
+	}
+	return gomedia.LyricsResult{Text: text, Format: "embedded"}, true
+}
+
 // extractVideoMetadata extracts duration and codec info from video files using ffprobe.
 // If ffmpegService is nil, a new service will be created (for backward compatibility)
 func extractVideoMetadata(ctx context.Context, item *iteminfo.ExtendedItemInfo, realPath string, ffmpegService *ffmpeg.FFmpegService) error {
-	service := ffmpegService
-	if service == nil {
-		service = ffmpeg.Get()
+	// go-media fast path. Works without ffmpeg installed.
+	probeService := ffmpegService
+	if probeService == nil {
+		probeService = ffmpeg.Get()
 	}
-	if service == nil {
-		return nil
+	// The shadow run can outlive the request, so it uses a context that is not cancelled with it.
+	shadowCtx := context.WithoutCancel(ctx)
+	legacyProbe := func() (gomedia.ProbeResult, bool) {
+		info, err := probeService.ProbeFile(shadowCtx, realPath)
+		if err != nil || info == nil {
+			return gomedia.ProbeResult{}, false
+		}
+		return *info, true
 	}
+	info, ok := gomedia.Probe(realPath, legacyProbe)
+	if !ok {
+		service := ffmpegService
+		if service == nil {
+			service = ffmpeg.Get()
+		}
+		if service == nil {
+			return nil
+		}
 
-	info, err := service.ProbeFile(ctx, realPath)
-	if err != nil {
-		duration, durErr := service.GetMediaDuration(ctx, realPath)
-		if durErr != nil {
-			return err
+		probed, err := service.ProbeFile(ctx, realPath)
+		if err != nil {
+			duration, durErr := service.GetMediaDuration(ctx, realPath)
+			if durErr != nil {
+				return err
+			}
+			if duration > 0 {
+				item.Metadata = &iteminfo.MediaMetadata{Duration: int(duration)}
+			}
+			return nil
 		}
-		if duration > 0 {
-			item.Metadata = &iteminfo.MediaMetadata{Duration: int(duration)}
-		}
-		return nil
+		info = *probed
 	}
 
 	meta := &iteminfo.MediaMetadata{}
@@ -629,47 +765,53 @@ func extractVideoMetadata(ctx context.Context, item *iteminfo.ExtendedItemInfo,
 	return nil
 }
 
-func DeleteFiles(source, absPath string, isDir bool) error {
+// DeleteFiles deletes the file or directory at indexPath. boundIndexPath limits
+// symlink resolution to the caller's scope ("" or "/" = source root only). The
+// entry itself is removed: a symlink leaf is deleted, never followed, and an
+// intermediate symlinked component cannot carry the delete outside the bound.
+func DeleteFiles(source, boundIndexPath, indexPath string, isDir bool) error {
 	index := indexing.GetIndex(source)
 	if index == nil {
 		return fmt.Errorf("could not get index: %v ", source)
 	}
-	// Safety guard: never allow deletion of the source root directory itself
-	cleanAbs := filepath.Clean(absPath)
-	if cleanAbs == filepath.Clean(index.Path) {
-		return fmt.Errorf("refusing to delete source root directory: %s", absPath)
+	if utils.CleanIndexPathSegment(indexPath) == "" {
+		return fmt.Errorf("refusing to delete source root directory: %s", indexPath)
 	}
-
-	if !index.Config.ResolvedRules.IndexingDisabled {
-		indexPath := index.MakeIndexPath(absPath, isDir).String()
-
-		// Perform the physical deletion
-		err := os.RemoveAll(absPath)
-		if err != nil {
-			return err
-		}
-
-		// Clear cache entries
-		indexing.RealPathCache.Delete(absPath)
-		indexing.IsDirCache.Delete(absPath + ":isdir")
-
-		// Remove metadata from index
-		deleteSuccess := index.DeleteMetadata(indexPath, isDir, isDir)
-		if !deleteSuccess {
-			logger.Errorf("Failed to delete metadata from index for %s, but filesystem deletion succeeded", indexPath)
-		}
-
-		// Refresh the parent directory to recalculate sizes and update counts
-		refreshConfig := utils.FileOptions{
-			Path:  index.MakeIndexPath(filepath.Dir(absPath), true).String(),
-			IsDir: true,
-		}
-		err = index.RefreshFileInfo(refreshConfig)
+	realPath, err := index.GetRealPathForRemoval(boundIndexPath, indexPath)
+	if err != nil {
 		return err
 	}
 
-	// Indexing disabled, just delete the file
-	return os.RemoveAll(absPath)
+	if index.Config.ResolvedRules.IndexingDisabled {
+		// Indexing disabled, just delete the file
+		return os.RemoveAll(realPath)
+	}
+
+	indexPath = index.MakeIndexPath(indexPath, isDir).String()
+
+	// Perform the physical deletion
+	err = os.RemoveAll(realPath)
+	if err != nil {
+		return err
+	}
+
+	// Clear cache entries
+	indexing.RealPathCache.Delete(realPath)
+	indexing.IsDirCache.Delete(realPath + ":isdir")
+
+	// Remove metadata from index
+	deleteSuccess := index.DeleteMetadata(indexPath, isDir, isDir)
+	if !deleteSuccess {
+		logger.Errorf("Failed to delete metadata from index for %s, but filesystem deletion succeeded", indexPath)
+	}
+
+	// Refresh the parent directory to recalculate sizes and update counts
+	refreshConfig := utils.FileOptions{
+		Path:  index.MakeIndexPath(filepath.Dir(strings.TrimSuffix(indexPath, "/")), true).String(),
+		IsDir: true,
+	}
+	err = index.RefreshFileInfo(refreshConfig)
+	return err
 }
 
 func RefreshIndex(source string, path string, isDir bool, recursive bool) error {
@@ -896,15 +1038,19 @@ func CopyResource(isSrcDir bool, sourceIndex, destIndex, realsrc, realdst string
 	return nil
 }
 
-func WriteDirectory(opts utils.FileOptions) error {
+// WriteDirectory creates a directory at opts.Path. boundIndexPath limits symlink
+// resolution to the caller's scope ("" or "/" = source root only).
+func WriteDirectory(boundIndexPath string, opts utils.FileOptions) error {
 	idx := indexing.GetIndex(opts.Source)
 	if idx == nil {
 		return fmt.Errorf("could not get index: %v ", opts.Source)
 	}
-	realPath, _, _ := idx.GetRealPath(opts.Path)
+	realPath, err := idx.GetRealPathForMutation(boundIndexPath, opts.Path)
+	if err != nil {
+		return err
+	}
 
 	var stat os.FileInfo
-	var err error
 	// Check if the destination exists and is a file
 	if stat, err = os.Stat(realPath); err == nil && !stat.IsDir() {
 		// If it's a file and we're trying to create a directory, remove the file first
@@ -948,21 +1094,24 @@ func WriteDirectory(opts utils.FileOptions) error {
 // WriteFileFunc is a variable that can be mocked in tests
 var WriteFileFunc = writeFile
 
-func WriteFile(source, path string, in io.Reader) error {
-	return WriteFileFunc(source, path, in)
+// WriteFile writes stream contents to the file at index path path. boundIndexPath
+// limits symlink resolution to the caller's scope ("" or "/" = source root only).
+func WriteFile(source, boundIndexPath, path string, in io.Reader) error {
+	return WriteFileFunc(source, boundIndexPath, path, in)
 }
 
-func writeFile(source, path string, in io.Reader) error {
+func writeFile(source, boundIndexPath, path string, in io.Reader) error {
 	idx := indexing.GetIndex(source)
 	if idx == nil {
 		return fmt.Errorf("could not get index: %v ", source)
 	}
-	realPath, _, _ := idx.GetRealPath(path)
-	// Strip trailing slash from realPath if it's meant to be a file
-	realPath = strings.TrimRight(realPath, "/")
+	realPath, err := idx.GetRealPathForMutation(boundIndexPath, path)
+	if err != nil {
+		return err
+	}
 	// Ensure the parent directories exist
 	parentDir := filepath.Dir(realPath)
-	err := os.MkdirAll(parentDir, fileutils.PermDir)
+	err = os.MkdirAll(parentDir, fileutils.PermDir)
 	if err != nil {
 		return err
 	}

backend/internal/adapters/fs/files/mime.go

@@ -55,6 +55,8 @@ const (
 var types = map[string]string{
 	".3dm":       "x-world/x-3dmf",
 	".3dmf":      "x-world/x-3dmf",
+	".3g2":       "video/3gpp2",
+	".3gp":       "video/3gpp",
 	".7z":        "application/x-7z-compressed",
 	".a":         "application/octet-stream",
 	".aab":       "application/x-authorware-bin",
@@ -525,6 +527,7 @@ var types = map[string]string{
 	".wmlc":      "application/vnd.wap.wmlc",
 	".wmls":      "text/vnd.wap.wmlscript",
 	".wmlsc":     "application/vnd.wap.wmlscriptc",
+	".wmv":       "video/x-ms-wmv",
 	".word":      "application/msword",
 	".wp5":       "application/wordperfect",
 	".wp6":       "application/wordperfect",
@@ -650,55 +653,55 @@ var types = map[string]string{
 	".tmp":       "text/tmp",
 	".temp":      "text/tmp",
 	// the ones below are some from: https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
-	".adp":       "audio/adpcm",
-	".mp4a":      "audio/mp4",
-	".mp2a":      "audio/mpeg",
-	".m3a":       "audio/mpeg",
-	".sil":       "audio/silk",
-	".uva":       "audio/vnd.dece.audio",
-	".uvva":      "audio/vnd.dece.audio",
-	".eol":       "audio/vnd.digital-winds",
-	".dra":       "audio/vnd.dra",
-	".dts":       "audio/vnd.dts",
-	".dtshd":     "audio/vnd.dts.hd",
-	".lvp":       "audio/vnd.lucent.voice",
-	".pya":       "audio/vnd.ms-playready.media.pya",
-	".rip":       "audio/vnd.rip",
-	".mka":       "audio/x-matroska",
-	".h261":      "video/h261",
-	".h263":      "video/h263",
-	".h264":      "video/h264",
-	".jpgv":      "video/jpeg",
-	".jpm":       "video/jpm",
-	".jpgm":      "video/jpm",
-	".mj2":       "video/mj2",
-	".mjp2":      "video/mj2",
-	".m2t":       "video/mp2t",
-	".m2ts":      "video/mp2t",
-	".mts":       "video/mp2t",
-	".mp4v":      "video/mp4",
-	".mpg4":      "video/mp4",
-	".uvh":       "video/vnd.dece.hd",
-	".uvvh":      "video/vnd.dece.hd",
-	".uvm":       "video/vnd.dece.mobile",
-	".uvvm":      "video/vnd.dece.mobile",
-	".uvp":       "video/vnd.dece.pd",
-	".uvvp":      "video/vnd.dece.pd",
-	".uvs":       "video/vnd.dece.sd",
-	".uvvs":      "video/vnd.dece.sd",
-	".uvv":       "video/vnd.dece.video",
-	".uvvv":      "video/vnd.dece.video",
-	".dvb":       "video/vnd.dvb.file",
-	".fvt":       "video/vnd.fvt",
-	".mxu":       "video/vnd.mpegurl",
-	".pyv":       "video/vnd.ms-playready.media.pyv",
-	".uvu":       "video/vnd.uvvu.mp4",
-	".uvvu":      "video/vnd.uvvu.mp4",
-	".f4v":       "video/x-f4v",
-	".mk3d":      "video/x-matroska",
-	".mks":       "video/x-matroska",
-	".vob":       "video/x-ms-vob",
-	".smv":       "video/x-smv",
+	".adp":   "audio/adpcm",
+	".mp4a":  "audio/mp4",
+	".mp2a":  "audio/mpeg",
+	".m3a":   "audio/mpeg",
+	".sil":   "audio/silk",
+	".uva":   "audio/vnd.dece.audio",
+	".uvva":  "audio/vnd.dece.audio",
+	".eol":   "audio/vnd.digital-winds",
+	".dra":   "audio/vnd.dra",
+	".dts":   "audio/vnd.dts",
+	".dtshd": "audio/vnd.dts.hd",
+	".lvp":   "audio/vnd.lucent.voice",
+	".pya":   "audio/vnd.ms-playready.media.pya",
+	".rip":   "audio/vnd.rip",
+	".mka":   "audio/x-matroska",
+	".h261":  "video/h261",
+	".h263":  "video/h263",
+	".h264":  "video/h264",
+	".jpgv":  "video/jpeg",
+	".jpm":   "video/jpm",
+	".jpgm":  "video/jpm",
+	".mj2":   "video/mj2",
+	".mjp2":  "video/mj2",
+	".m2t":   "video/mp2t",
+	".m2ts":  "video/mp2t",
+	".mts":   "video/mp2t",
+	".mp4v":  "video/mp4",
+	".mpg4":  "video/mp4",
+	".uvh":   "video/vnd.dece.hd",
+	".uvvh":  "video/vnd.dece.hd",
+	".uvm":   "video/vnd.dece.mobile",
+	".uvvm":  "video/vnd.dece.mobile",
+	".uvp":   "video/vnd.dece.pd",
+	".uvvp":  "video/vnd.dece.pd",
+	".uvs":   "video/vnd.dece.sd",
+	".uvvs":  "video/vnd.dece.sd",
+	".uvv":   "video/vnd.dece.video",
+	".uvvv":  "video/vnd.dece.video",
+	".dvb":   "video/vnd.dvb.file",
+	".fvt":   "video/vnd.fvt",
+	".mxu":   "video/vnd.mpegurl",
+	".pyv":   "video/vnd.ms-playready.media.pyv",
+	".uvu":   "video/vnd.uvvu.mp4",
+	".uvvu":  "video/vnd.uvvu.mp4",
+	".f4v":   "video/x-f4v",
+	".mk3d":  "video/x-matroska",
+	".mks":   "video/x-matroska",
+	".vob":   "video/x-ms-vob",
+	".smv":   "video/x-smv",
 }
 
 //nolint:gochecknoinits

backend/internal/adapters/fs/files/mime_test.go

@@ -0,0 +1,25 @@
+package files
+
+import (
+	"mime"
+	"testing"
+)
+
+// Video containers that browsers cannot play must still be detected as video so
+// the preview routes to the transcode UI instead of showing "no preview".
+func TestVideoContainerExtensionsAreRegisteredAsVideo(t *testing.T) {
+	tests := map[string]string{
+		".wmv": "video/x-ms-wmv",
+		".3gp": "video/3gpp",
+		".3g2": "video/3gpp2",
+		".mp4": "video/mp4",
+		".avi": "video/x-msvideo",
+		".mkv": "video/x-matroska",
+	}
+	for ext, want := range tests {
+		got := mime.TypeByExtension(ext)
+		if got != want {
+			t.Errorf("mime.TypeByExtension(%q) = %q, want %q", ext, got, want)
+		}
+	}
+}

backend/internal/adapters/fs/files/user.go

@@ -5,8 +5,8 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	"github.com/gtsteffaniak/go-logger/logger"
 )
 
@@ -19,11 +19,13 @@ func MakeUserDir(fullPath string) error {
 }
 
 func MakeUserDirs(u *users.User, createDir bool) error {
+	if u.Permissions.Admin {
+		return nil
+	}
 	cleanedUserName := users.CleanUsername(u.Username)
 	if cleanedUserName == "" || cleanedUserName == "-" || cleanedUserName == "." {
 		return fmt.Errorf("MakeUserDirs: invalid user for home dir creation: [%s]", u.Username)
 	}
-	settings.ExpandBackendScopesForCreateUserDir(u)
 	for i, scope := range u.BackendScopes {
 		source, ok := settings.Config.Server.SourceMap[scope.Path]
 		if !ok {

backend/internal/adapters/fs/files/user_test.go

@@ -0,0 +1,54 @@
+package files
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
+)
+
+func TestMakeUserDirsSkipsAdmins(t *testing.T) {
+	root := t.TempDir()
+	saved := settings.Config
+	t.Cleanup(func() { settings.Config = saved })
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			Sources: []*settings.Source{{
+				Path: root,
+				Config: settings.SourceConfig{
+					CreateUserDir: true,
+				},
+			}},
+			SourceMap: map[string]*settings.Source{
+				root: {
+					Path: root,
+					Config: settings.SourceConfig{
+						CreateUserDir: true,
+					},
+				},
+			},
+		},
+	}
+
+	u := &users.User{
+		FrontendUser: users.FrontendUser{
+			Username: "admin",
+			Permissions: users.Permissions{
+				Admin: true,
+			},
+		},
+		BackendScopes: []users.BackendScope{{Path: root, Scope: "/"}},
+	}
+
+	if err := MakeUserDirs(u, true); err != nil {
+		t.Fatalf("MakeUserDirs: %v", err)
+	}
+	if got := u.BackendScopes[0].Scope; got != "/" {
+		t.Fatalf("scope=%q want /", got)
+	}
+	if _, err := os.Stat(filepath.Join(root, "admin")); !os.IsNotExist(err) {
+		t.Fatalf("admin directory stat error=%v, want not-exist", err)
+	}
+}

backend/internal/adapters/fs/fileutils/assets.go

@@ -3,6 +3,8 @@ package fileutils
 import (
 	"io/fs"
 	"net/http"
+
+	"github.com/gtsteffaniak/go-logger/logger"
 )
 
 var (
@@ -28,7 +30,17 @@ func InitAssetFS(embeddedAssets fs.FS, useEmbedded bool, devMode bool) {
 		// Dev mode: serve frontend source assets (templates, fonts, icons)
 		assetFs = dirFS{Dir: http.Dir("../frontend/public")}
 	} else {
-		assetFs = dirFS{Dir: http.Dir("internal/web/dist")}
+		// Non-dev disk build (e.g. Docker): dist is shipped beside the binary. Preload it
+		// into memory when possible; otherwise serve from disk.
+		diskAssets := dirFS{Dir: http.Dir("internal/web/dist")}
+		cached, err := loadMemFS(diskAssets)
+		if err != nil {
+			logger.Warningf("could not preload frontend assets into memory, serving from disk: %v", err)
+			assetFs = diskAssets
+		} else {
+			logger.Debugf("preloaded %d frontend assets (%d bytes) into memory", cached.Len(), cached.Size())
+			assetFs = cached
+		}
 	}
 }
 

backend/internal/adapters/fs/fileutils/file.go

@@ -55,6 +55,22 @@ func unixModeToFileMode(u uint32) os.FileMode {
 	return m
 }
 
+// removeDestinationSymlinkIfPresent deletes dest when it is a symlink so a copy or
+// cross-device move replaces the link entry instead of writing through it.
+func removeDestinationSymlinkIfPresent(dest string) error {
+	info, err := os.Lstat(dest)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil
+		}
+		return err
+	}
+	if info.Mode()&os.ModeSymlink != 0 {
+		return os.Remove(dest)
+	}
+	return nil
+}
+
 // MoveFile moves a file from src to dst.
 // By default, the rename system call is used. If src and dst are on different volumes,
 // CopyFile is used as a fallback and the source is removed synchronously on success.
@@ -134,6 +150,10 @@ func copySingleFile(source, dest string) error {
 		return err
 	}
 
+	if err = removeDestinationSymlinkIfPresent(dest); err != nil {
+		return err
+	}
+
 	// Create the destination file with source permissions
 	dst, err := os.OpenFile(dest, os.O_RDWR|os.O_CREATE|os.O_TRUNC, sourcePerms)
 	if err != nil {

backend/internal/adapters/fs/fileutils/file_test.go

@@ -356,6 +356,74 @@ func TestCopySymlinkReplacesExistingDestination(t *testing.T) {
 	}
 }
 
+func TestCopyFile_ReplacesDestinationSymlinkWithoutFollowingTarget(t *testing.T) {
+	dir := t.TempDir()
+	outside := filepath.Join(filepath.Dir(dir), "outside-victim.txt")
+	if err := os.WriteFile(outside, []byte("keep me"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	link := filepath.Join(dir, "link")
+	if err := os.Symlink(outside, link); err != nil {
+		t.Fatal(err)
+	}
+	src := filepath.Join(dir, "src.txt")
+	if err := os.WriteFile(src, []byte("copied"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := CopyFile(src, link); err != nil {
+		t.Fatalf("CopyFile: %v", err)
+	}
+	info, err := os.Lstat(link)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if info.Mode()&os.ModeSymlink != 0 {
+		t.Fatal("destination should be a regular file replacing the symlink entry")
+	}
+	got, err := os.ReadFile(outside)
+	if err != nil || string(got) != "keep me" {
+		t.Fatalf("copy followed the symlink target: %v %q", err, got)
+	}
+	if body, err := os.ReadFile(link); err != nil || string(body) != "copied" {
+		t.Fatalf("link path content = %q, err=%v", body, err)
+	}
+}
+
+func TestMoveFile_ReplacesDestinationSymlinkWithoutFollowingTarget(t *testing.T) {
+	dir := t.TempDir()
+	outside := filepath.Join(filepath.Dir(dir), "outside-victim.txt")
+	if err := os.WriteFile(outside, []byte("keep me"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	link := filepath.Join(dir, "link")
+	if err := os.Symlink(outside, link); err != nil {
+		t.Fatal(err)
+	}
+	src := filepath.Join(dir, "src.txt")
+	if err := os.WriteFile(src, []byte("moved"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := MoveFile(src, link); err != nil {
+		t.Fatalf("MoveFile: %v", err)
+	}
+	if _, err := os.Lstat(src); !os.IsNotExist(err) {
+		t.Fatal("source should be gone after move")
+	}
+	info, err := os.Lstat(link)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if info.Mode()&os.ModeSymlink != 0 {
+		t.Fatal("destination should be a regular file replacing the symlink entry")
+	}
+	got, err := os.ReadFile(outside)
+	if err != nil || string(got) != "keep me" {
+		t.Fatalf("move followed the symlink target: %v %q", err, got)
+	}
+}
+
 func TestCopyFileContentsFallsBackAfterCopyFileRangeBadFileDescriptor(t *testing.T) {
 	const content = "complete file contents"
 	src := struct{ io.Reader }{bytes.NewBufferString(content)}

backend/internal/adapters/fs/fileutils/memfs.go

@@ -0,0 +1,110 @@
+package fileutils
+
+import (
+	"bytes"
+	"io/fs"
+	"time"
+)
+
+// memFS is a read-only fs.FS that holds every file's contents in memory.
+// It is built once at startup from a disk-backed filesystem so that asset
+// requests never touch the disk.
+type memFS struct {
+	files map[string]memFile
+}
+
+type memFile struct {
+	data    []byte
+	modTime time.Time
+}
+
+// loadMemFS reads every regular file under src into memory.
+func loadMemFS(src fs.FS) (*memFS, error) {
+	m := &memFS{files: make(map[string]memFile)}
+	err := fs.WalkDir(src, ".", func(name string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+		data, err := fs.ReadFile(src, name)
+		if err != nil {
+			return err
+		}
+		info, err := d.Info()
+		if err != nil {
+			return err
+		}
+		m.files[name] = memFile{data: data, modTime: info.ModTime()}
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Size returns the total number of bytes held in memory.
+func (m *memFS) Size() int {
+	total := 0
+	for _, f := range m.files {
+		total += len(f.data)
+	}
+	return total
+}
+
+// Len returns the number of files held in memory.
+func (m *memFS) Len() int {
+	return len(m.files)
+}
+
+// Open implements fs.FS. Only regular files are supported, which is all the
+// asset callers need (ReadFile, Stat and template parsing).
+func (m *memFS) Open(name string) (fs.File, error) {
+	if !fs.ValidPath(name) {
+		return nil, &fs.PathError{Op: "open", Path: name, Err: fs.ErrInvalid}
+	}
+	f, ok := m.files[name]
+	if !ok {
+		return nil, &fs.PathError{Op: "open", Path: name, Err: fs.ErrNotExist}
+	}
+	return &memOpenFile{
+		Reader: bytes.NewReader(f.data),
+		info: memFileInfo{
+			name:    baseName(name),
+			size:    int64(len(f.data)),
+			modTime: f.modTime,
+		},
+	}, nil
+}
+
+type memOpenFile struct {
+	*bytes.Reader
+	info memFileInfo
+}
+
+func (f *memOpenFile) Stat() (fs.FileInfo, error) { return f.info, nil }
+func (f *memOpenFile) Close() error               { return nil }
+
+type memFileInfo struct {
+	name    string
+	size    int64
+	modTime time.Time
+}
+
+func (i memFileInfo) Name() string       { return i.name }
+func (i memFileInfo) Size() int64        { return i.size }
+func (i memFileInfo) Mode() fs.FileMode  { return 0o444 }
+func (i memFileInfo) ModTime() time.Time { return i.modTime }
+func (i memFileInfo) IsDir() bool        { return false }
+func (i memFileInfo) Sys() any           { return nil }
+
+func baseName(name string) string {
+	for i := len(name) - 1; i >= 0; i-- {
+		if name[i] == '/' {
+			return name[i+1:]
+		}
+	}
+	return name
+}

backend/internal/adapters/fs/fileutils/memfs_test.go

@@ -0,0 +1,69 @@
+package fileutils
+
+import (
+	"io/fs"
+	"net/http"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestLoadMemFSServesFromMemory(t *testing.T) {
+	dir := t.TempDir()
+	files := map[string]string{
+		"index.html":        "<html>index</html>",
+		"assets/app.js.gz":  "gzip-bytes",
+		"fonts/icons.woff2": "font-bytes",
+	}
+	for name, content := range files {
+		path := filepath.Join(dir, filepath.FromSlash(name))
+		if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+			t.Fatal(err)
+		}
+		if err := os.WriteFile(path, []byte(content), 0o644); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	m, err := loadMemFS(dirFS{Dir: http.Dir(dir)})
+	if err != nil {
+		t.Fatalf("loadMemFS: %v", err)
+	}
+	if m.Len() != len(files) {
+		t.Fatalf("loaded %d files, want %d", m.Len(), len(files))
+	}
+
+	// Remove everything from disk: the cache must still serve every file.
+	if removeErr := os.RemoveAll(dir); removeErr != nil {
+		t.Fatal(removeErr)
+	}
+	for name, want := range files {
+		got, readErr := fs.ReadFile(m, name)
+		if readErr != nil {
+			t.Fatalf("ReadFile(%s) after disk removal: %v", name, readErr)
+		}
+		if string(got) != want {
+			t.Errorf("ReadFile(%s) = %q, want %q", name, got, want)
+		}
+		info, statErr := fs.Stat(m, name)
+		if statErr != nil {
+			t.Fatalf("Stat(%s): %v", name, statErr)
+		}
+		if info.IsDir() || info.Size() != int64(len(want)) || info.Name() != filepath.Base(name) {
+			t.Errorf("Stat(%s) = %+v, unexpected", name, info)
+		}
+	}
+
+	// Template-style glob on a plain name must resolve via Stat.
+	matches, globErr := fs.Glob(m, "index.html")
+	if globErr != nil || len(matches) != 1 {
+		t.Fatalf("Glob(index.html) = %v, %v", matches, globErr)
+	}
+
+	if _, readErr := fs.ReadFile(m, "missing.css"); readErr == nil {
+		t.Error("ReadFile(missing.css) should fail")
+	}
+	if _, readErr := fs.ReadFile(m, "../escape"); readErr == nil {
+		t.Error("invalid path should be rejected")
+	}
+}

backend/internal/adapters/fs/fileutils/partition_aggregate.go

@@ -0,0 +1,30 @@
+package fileutils
+
+// PartitionUsage is a capacity view of a source path: total and used bytes.
+type PartitionUsage struct {
+	Total uint64 `json:"total"`
+	Used  uint64 `json:"used"`
+}
+
+// singlePathPartitionUsage statfs's a single path: the filesystem covering it.
+func singlePathPartitionUsage(path string) (PartitionUsage, error) {
+	total, err := GetPartitionSize(path)
+	if err != nil {
+		return PartitionUsage{}, err
+	}
+	used, err := GetPartitionUsed(path)
+	if err != nil {
+		return PartitionUsage{}, err
+	}
+	return PartitionUsage{Total: total, Used: used}, nil
+}
+
+// GetAggregatedPartitionUsage returns total and used bytes summed across distinct
+// capacity groups mounted at or under root. See GetPartitionUsageVariants.
+func GetAggregatedPartitionUsage(root string) (total, used uint64, err error) {
+	aggregate, _, err := GetPartitionUsageVariants(root)
+	if err != nil {
+		return 0, 0, err
+	}
+	return aggregate.Total, aggregate.Used, nil
+}

backend/internal/adapters/fs/fileutils/partition_aggregate_freebsd.go

@@ -0,0 +1,188 @@
+//go:build freebsd
+
+package fileutils
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"golang.org/x/sys/unix"
+)
+
+// bsdMount is one Getfsstat record reduced to what capacity aggregation
+// needs: fstype, source, mountpoint, usage, and the mount's own fsid.
+type bsdMount struct {
+	fstype     string
+	source     string
+	mountpoint string
+	usage      rawUsage
+	fsid       unix.Fsid
+}
+
+// resolvedMount is what a path lookup reports for a mountpoint: the
+// mountpoint of the filesystem that actually owns the path and that
+// filesystem's fsid.
+type resolvedMount struct {
+	mountpoint string
+	fsid       unix.Fsid
+	ok         bool
+}
+
+// statfsMountpoint resolves which filesystem a mountpoint path lands on.
+func statfsMountpoint(mp string) resolvedMount {
+	var st unix.Statfs_t
+	if err := unix.Statfs(mp, &st); err != nil {
+		return resolvedMount{}
+	}
+	return resolvedMount{
+		mountpoint: filepath.Clean(unix.ByteSliceToString(st.Mntonname[:])),
+		fsid:       st.Fsid,
+		ok:         true,
+	}
+}
+
+// GetPartitionUsageVariants returns the aggregate and root-only capacity views
+// of root. FreeBSD has no mountinfo; Getfsstat already carries per-mount statfs
+// data, so grouping happens on the result set directly (ZFS datasets grouped by
+// pool name, everything else by fsid).
+func GetPartitionUsageVariants(root string) (aggregate, rootOnly PartitionUsage, err error) {
+	if root == "" {
+		return aggregate, rootOnly, fmt.Errorf("empty path")
+	}
+	root = filepath.Clean(root)
+
+	rootOnly, rootErr := singlePathPartitionUsage(root)
+
+	count, statErr := unix.Getfsstat(nil, unix.MNT_WAIT)
+	if statErr != nil || count <= 0 {
+		if rootErr != nil {
+			return aggregate, rootOnly, rootErr
+		}
+		return rootOnly, rootOnly, nil
+	}
+	stats := make([]unix.Statfs_t, count)
+	if _, statErr = unix.Getfsstat(stats, unix.MNT_WAIT); statErr != nil {
+		if rootErr != nil {
+			return aggregate, rootOnly, rootErr
+		}
+		return rootOnly, rootOnly, nil
+	}
+
+	var mounts []bsdMount
+	for i := range stats {
+		s := &stats[i]
+		avail := uint64(0)
+		if s.Bavail > 0 {
+			avail = uint64(s.Bavail)
+		}
+		mounts = append(mounts, bsdMount{
+			fstype:     unix.ByteSliceToString(s.Fstypename[:]),
+			source:     unix.ByteSliceToString(s.Mntfromname[:]),
+			mountpoint: filepath.Clean(unix.ByteSliceToString(s.Mntonname[:])),
+			usage: rawUsage{
+				total: s.Blocks * s.Bsize,
+				avail: avail * s.Bsize,
+			},
+			fsid: s.Fsid,
+		})
+	}
+
+	covering, nested := selectCapacityMounts(mounts, root, statfsMountpoint)
+
+	key := func(m bsdMount) string {
+		if isZFSType(m.fstype) {
+			return "zfs:" + zfsPoolName(m.source)
+		}
+		if m.fsid.Val[0] == 0 && m.fsid.Val[1] == 0 {
+			// fsid-less filesystems (e.g. some tmpfs mounts): keep per mountpoint.
+			return "mp:" + m.mountpoint
+		}
+		return fmt.Sprintf("fsid:%x:%x", m.fsid.Val[0], m.fsid.Val[1])
+	}
+
+	groups := make(map[string][]rawUsage)
+	fstypes := make(map[string]string)
+	add := func(m bsdMount) {
+		k := key(m)
+		fstypes[k] = m.fstype
+		groups[k] = append(groups[k], m.usage)
+	}
+	if covering != nil {
+		add(*covering)
+	}
+	for _, m := range nested {
+		add(m)
+	}
+	if len(groups) == 0 {
+		if rootErr != nil {
+			return aggregate, rootOnly, rootErr
+		}
+		return rootOnly, rootOnly, nil
+	}
+
+	for k, stats := range groups {
+		u := combineGroupUsage(stats)
+		if !isZFSType(fstypes[k]) && len(stats) > 1 {
+			// Non-shared-pool mounts dedupe to a single measurement.
+			u = combineGroupUsage(stats[:1])
+		}
+		aggregate.Total += u.Total
+		aggregate.Used += u.Used
+	}
+	return aggregate, rootOnly, rootErr
+}
+
+// selectCapacityMounts picks the mounts contributing capacity under root: the
+// filesystem covering root plus mounts nested beneath it.
+//
+// Getfsstat retains records that path lookups no longer reach: mounts stacked
+// under a later mount at the same mountpoint, and mounts below an overmounted
+// ancestor (stacked records have no documented order, so position cannot
+// identify the visible one). A record counts only when a lookup on its
+// mountpoint still lands on it: the resolved mountpoint must equal the
+// record's and, for filesystems carrying an fsid, the resolved fsid must match
+// the record's (every stacked record resolves to the topmost fsid). fsid-less
+// records keep the first match at a mountpoint; stacked fsid-less mounts are
+// indistinguishable.
+func selectCapacityMounts(mounts []bsdMount, root string, lookup func(string) resolvedMount) (*bsdMount, []bsdMount) {
+	var covering *bsdMount
+	var nested []bsdMount
+	claimed := make(map[string]bool)
+	resolved := make(map[string]resolvedMount)
+	for i := range mounts {
+		m := mounts[i]
+		covers := m.mountpoint == root || m.mountpoint == "/" || strings.HasPrefix(root, m.mountpoint+"/")
+		nests := strings.HasPrefix(m.mountpoint, root+"/")
+		if !covers && !nests {
+			continue
+		}
+		r, seen := resolved[m.mountpoint]
+		if !seen {
+			r = lookup(m.mountpoint)
+			resolved[m.mountpoint] = r
+		}
+		if !r.ok || r.mountpoint != m.mountpoint {
+			continue
+		}
+		if m.fsid.Val[0] != 0 || m.fsid.Val[1] != 0 {
+			if r.fsid != m.fsid {
+				continue
+			}
+		} else if claimed[m.mountpoint] {
+			continue
+		}
+		claimed[m.mountpoint] = true
+		if covers && (covering == nil || len(m.mountpoint) > len(covering.mountpoint)) {
+			c := m
+			covering = &c
+		}
+		if nests {
+			if isZFSType(m.fstype) && isZFSSnapshotMount(m.source, m.mountpoint) {
+				continue
+			}
+			nested = append(nested, m)
+		}
+	}
+	return covering, nested
+}

backend/internal/adapters/fs/fileutils/partition_aggregate_freebsd_test.go

@@ -0,0 +1,161 @@
+//go:build freebsd
+
+package fileutils
+
+import (
+	"testing"
+
+	"golang.org/x/sys/unix"
+)
+
+func fsidVal(a, b int32) unix.Fsid {
+	return unix.Fsid{Val: [2]int32{a, b}}
+}
+
+func resolvedOK(mp string, fsid unix.Fsid) resolvedMount {
+	return resolvedMount{mountpoint: mp, fsid: fsid, ok: true}
+}
+
+// TestSelectCapacityMountsOvermountedAncestorHidesNested reproduces the
+// reviewed layout: /srv/child was mounted first, then /srv was overmounted.
+// Getfsstat still reports the unique /srv/child record, but a lookup of that
+// path lands inside the covering filesystem, so its usage must be excluded.
+func TestSelectCapacityMountsOvermountedAncestorHidesNested(t *testing.T) {
+	rootFs, childFs, coverFs := fsidVal(1, 1), fsidVal(2, 2), fsidVal(3, 3)
+	mounts := []bsdMount{
+		{fstype: "ufs", source: "/dev/da0p2", mountpoint: "/", fsid: rootFs, usage: rawUsage{total: 100, avail: 50}},
+		{fstype: "ufs", source: "/dev/da1p1", mountpoint: "/srv/child", fsid: childFs, usage: rawUsage{total: 200, avail: 100}},
+		{fstype: "ufs", source: "/dev/da2p1", mountpoint: "/srv", fsid: coverFs, usage: rawUsage{total: 300, avail: 150}},
+	}
+	lookup := func(mp string) resolvedMount {
+		switch mp {
+		case "/":
+			return resolvedOK("/", rootFs)
+		case "/srv":
+			return resolvedOK("/srv", coverFs)
+		case "/srv/child":
+			// Hidden: resolves to the covering filesystem at /srv.
+			return resolvedOK("/srv", coverFs)
+		}
+		return resolvedMount{}
+	}
+
+	covering, nested := selectCapacityMounts(mounts, "/srv", lookup)
+	if covering == nil || covering.mountpoint != "/srv" {
+		t.Fatalf("covering = %+v, want mountpoint /srv", covering)
+	}
+	if len(nested) != 0 {
+		t.Fatalf("nested = %+v, want hidden /srv/child excluded", nested)
+	}
+}
+
+// TestSelectCapacityMountsUnreachableNestedSkipped covers the same hidden
+// layout when the covered path no longer exists in the new filesystem: the
+// lookup fails outright and the stale record is dropped.
+func TestSelectCapacityMountsUnreachableNestedSkipped(t *testing.T) {
+	rootFs, coverFs := fsidVal(1, 1), fsidVal(3, 3)
+	mounts := []bsdMount{
+		{fstype: "ufs", mountpoint: "/", fsid: rootFs},
+		{fstype: "ufs", source: "/dev/da2p1", mountpoint: "/srv", fsid: coverFs},
+		{fstype: "ufs", source: "/dev/da1p1", mountpoint: "/srv/gone", fsid: fsidVal(2, 2), usage: rawUsage{total: 200, avail: 100}},
+	}
+	lookup := func(mp string) resolvedMount {
+		switch mp {
+		case "/":
+			return resolvedOK("/", rootFs)
+		case "/srv":
+			return resolvedOK("/srv", coverFs)
+		}
+		return resolvedMount{} // ENOENT under the overmount
+	}
+
+	_, nested := selectCapacityMounts(mounts, "/srv", lookup)
+	if len(nested) != 0 {
+		t.Fatalf("nested = %+v, want unreachable /srv/gone excluded", nested)
+	}
+}
+
+// TestSelectCapacityMountsStackedTopmostOnly checks that of several records
+// at one mountpoint only the one a lookup resolves to is counted.
+func TestSelectCapacityMountsStackedTopmostOnly(t *testing.T) {
+	rootFs, lowerFs, upperFs := fsidVal(1, 1), fsidVal(4, 4), fsidVal(5, 5)
+	mounts := []bsdMount{
+		{fstype: "ufs", mountpoint: "/", fsid: rootFs},
+		{fstype: "ufs", source: "/dev/da1p1", mountpoint: "/srv/data", fsid: lowerFs, usage: rawUsage{total: 200, avail: 100}},
+		{fstype: "tmpfs", source: "tmpfs", mountpoint: "/srv/data", fsid: upperFs, usage: rawUsage{total: 60, avail: 30}},
+	}
+	lookup := func(mp string) resolvedMount {
+		switch mp {
+		case "/":
+			return resolvedOK("/", rootFs)
+		case "/srv/data":
+			return resolvedOK("/srv/data", upperFs)
+		}
+		return resolvedMount{}
+	}
+
+	_, nested := selectCapacityMounts(mounts, "/srv", lookup)
+	if len(nested) != 1 || nested[0].fsid != upperFs {
+		t.Fatalf("nested = %+v, want only the topmost /srv/data record", nested)
+	}
+}
+
+// TestSelectCapacityMountsHiddenCoveringAncestor: when the deepest ancestor
+// mount of root is itself hidden by an overmount, covering must fall back to
+// the deepest visible ancestor.
+func TestSelectCapacityMountsHiddenCoveringAncestor(t *testing.T) {
+	rootFs, overFs, staleFs := fsidVal(1, 1), fsidVal(8, 8), fsidVal(9, 9)
+	mounts := []bsdMount{
+		{fstype: "ufs", mountpoint: "/", fsid: rootFs},
+		{fstype: "ufs", source: "/dev/da2p1", mountpoint: "/x", fsid: overFs},
+		{fstype: "ufs", source: "/dev/da1p1", mountpoint: "/x/y", fsid: staleFs, usage: rawUsage{total: 200, avail: 100}},
+	}
+	// /x was mounted over the parent chain of /x/y: lookups of /x/y resolve
+	// inside the /x filesystem.
+	lookup := func(mp string) resolvedMount {
+		switch mp {
+		case "/":
+			return resolvedOK("/", rootFs)
+		case "/x":
+			return resolvedOK("/x", overFs)
+		case "/x/y":
+			return resolvedOK("/x", overFs)
+		}
+		return resolvedMount{}
+	}
+
+	covering, nested := selectCapacityMounts(mounts, "/x/y/z", lookup)
+	if covering == nil || covering.mountpoint != "/x" {
+		t.Fatalf("covering = %+v, want deepest visible ancestor /x", covering)
+	}
+	if len(nested) != 0 {
+		t.Fatalf("nested = %+v, want none", nested)
+	}
+}
+
+// TestSelectCapacityMountsNestedVisibleKept is the baseline: a nested mount
+// that still resolves to itself contributes its usage.
+func TestSelectCapacityMountsNestedVisibleKept(t *testing.T) {
+	rootFs, zfsFs := fsidVal(1, 1), fsidVal(7, 7)
+	mounts := []bsdMount{
+		{fstype: "ufs", mountpoint: "/", fsid: rootFs},
+		{fstype: "zfs", source: "tank/data", mountpoint: "/srv/data", fsid: zfsFs, usage: rawUsage{total: 400, avail: 200}},
+	}
+	lookup := func(mp string) resolvedMount {
+		switch mp {
+		case "/":
+			return resolvedOK("/", rootFs)
+		case "/srv/data":
+			return resolvedOK("/srv/data", zfsFs)
+		}
+		return resolvedMount{}
+	}
+
+	covering, nested := selectCapacityMounts(mounts, "/srv", lookup)
+	if covering == nil || covering.mountpoint != "/" {
+		t.Fatalf("covering = %+v, want /", covering)
+	}
+	if len(nested) != 1 || nested[0].mountpoint != "/srv/data" {
+		t.Fatalf("nested = %+v, want [/srv/data]", nested)
+	}
+}

backend/internal/adapters/fs/fileutils/partition_aggregate_linux.go

@@ -7,94 +7,64 @@ import (
 	"os"
 	"path/filepath"
 	"syscall"
-
-	"golang.org/x/sys/unix"
 )
 
-// GetAggregatedPartitionUsage returns total and used bytes summed across distinct
-// filesystems mounted at or under root (deduped by major:minor from mountinfo).
-// Falls back to a single-path probe when mountinfo cannot be read.
-func GetAggregatedPartitionUsage(root string) (total, used uint64, err error) {
+// GetPartitionUsageVariants returns two capacity views of root:
+//   - aggregate: total/used summed across distinct capacity groups mounted at or
+//     under root, deduped so shared-pool filesystems (ZFS datasets, btrfs
+//     subvolumes) are counted once per pool.
+//   - rootOnly: a single statfs of root, ignoring nested mounts.
+//
+// Falls back to the single-path probe for both when mountinfo cannot be read.
+func GetPartitionUsageVariants(root string) (aggregate, rootOnly PartitionUsage, err error) {
 	if root == "" {
-		return 0, 0, fmt.Errorf("empty path")
+		return aggregate, rootOnly, fmt.Errorf("empty path")
 	}
 	root = filepath.Clean(root)
 
-	paths, parseErr := distinctMountPathsUnder(root)
-	if parseErr != nil || len(paths) == 0 {
-		return singlePathPartitionUsage(root)
+	rootOnly, rootErr := singlePathPartitionUsage(root)
+
+	groups, parseErr := mountGroupsUnder(root)
+	if parseErr != nil || len(groups) == 0 {
+		if rootErr != nil {
+			return aggregate, rootOnly, rootErr
+		}
+		return rootOnly, rootOnly, nil
 	}
 
 	var firstErr error
-	for _, path := range paths {
-		t, u, stErr := partitionUsageAt(path)
-		if stErr != nil {
-			if firstErr == nil {
-				firstErr = stErr
+	for _, group := range groups {
+		stats := make([]rawUsage, 0, len(group.paths))
+		for _, p := range group.paths {
+			stat, stErr := partitionStatfs(p)
+			if stErr != nil {
+				if firstErr == nil {
+					firstErr = stErr
+				}
+				continue
 			}
-			continue
+			stats = append(stats, stat)
 		}
-		total += t
-		used += u
+		u := combineGroupUsage(stats)
+		aggregate.Total += u.Total
+		aggregate.Used += u.Used
 	}
 
-	if total == 0 && used == 0 {
+	if aggregate.Total == 0 && aggregate.Used == 0 {
 		if firstErr != nil {
-			return 0, 0, firstErr
+			return aggregate, rootOnly, firstErr
 		}
-		return singlePathPartitionUsage(root)
+		aggregate = rootOnly
 	}
-	return total, used, nil
+	return aggregate, rootOnly, rootErr
 }
 
-func singlePathPartitionUsage(root string) (total, used uint64, err error) {
-	total, err = GetPartitionSize(root)
-	if err != nil {
-		return 0, 0, err
-	}
-	used, err = GetPartitionUsed(root)
-	if err != nil {
-		return 0, 0, err
-	}
-	return total, used, nil
-}
-
-func distinctMountPathsUnder(root string) ([]string, error) {
+func mountGroupsUnder(root string) ([]mountGroup, error) {
 	data, err := readMountinfo()
 	if err != nil {
 		return nil, err
 	}
-	paths, err := distinctMountPathsFromMountinfo(data, root)
-	if err != nil {
-		return nil, err
-	}
-	// If mountinfo had no covering mount for root, ensure root is probed.
-	if len(paths) == 0 {
-		return []string{root}, nil
-	}
-	hasRoot := false
-	for _, p := range paths {
-		if p == root {
-			hasRoot = true
-			break
-		}
-	}
-	if !hasRoot {
-		if dev, stErr := deviceIDFromPath(root); stErr == nil {
-			// Avoid duplicating a device already selected under another path.
-			already := false
-			for _, p := range paths {
-				if d, e := deviceIDFromPath(p); e == nil && d == dev {
-					already = true
-					break
-				}
-			}
-			if !already {
-				paths = append(paths, root)
-			}
-		}
-	}
-	return paths, nil
+	return mountGroupsFromMountinfo(data, root)
 }
 
 func readMountinfo() (string, error) {
@@ -107,24 +77,14 @@ func readMountinfo() (string, error) {
 	return "", fmt.Errorf("mountinfo not available")
 }
 
-func deviceIDFromPath(path string) (string, error) {
-	var st unix.Stat_t
-	if err := unix.Stat(path, &st); err != nil {
-		return "", err
-	}
-	return fmt.Sprintf("%d:%d", unix.Major(uint64(st.Dev)), unix.Minor(uint64(st.Dev))), nil
-}
-
-func partitionUsageAt(path string) (total, used uint64, err error) {
+func partitionStatfs(path string) (rawUsage, error) {
 	var stat syscall.Statfs_t
 	if err := syscall.Statfs(path, &stat); err != nil {
-		return 0, 0, err
+		return rawUsage{}, err
 	}
 	bsize := blockSize(&stat)
-	total = uint64(stat.Blocks) * bsize
-	free := uint64(stat.Bavail) * bsize
-	if total >= free {
-		used = total - free
-	}
-	return total, used, nil
+	return rawUsage{
+		total: uint64(stat.Blocks) * bsize,
+		avail: uint64(stat.Bavail) * bsize,
+	}, nil
 }

backend/internal/adapters/fs/fileutils/partition_aggregate_mountinfo.go

@@ -12,55 +12,111 @@ import (
 type mountEntry struct {
 	deviceID   string
 	mountpoint string
+	fstype     string
+	source     string
 }
 
-// distinctMountPathsFromMountinfo selects one path per distinct filesystem that
-// contributes capacity for root: the FS that owns root, plus nested mounts under
-// root. Deduped by major:minor from mountinfo.
-func distinctMountPathsFromMountinfo(mountinfo string, root string) ([]string, error) {
+// mountGroup is a set of mountpoints that share one capacity pool. Groups keyed
+// by filesystem identity get one probe path; shared-pool filesystems (zfs) keep
+// every dataset mountpoint so per-dataset used space can be summed.
+type mountGroup struct {
+	key    string
+	fstype string
+	paths  []string
+}
+
+// capacityKey identifies mounts that share the same underlying capacity.
+//   - zfs: every dataset has its own device ID but draws from the pool; group by pool.
+//   - btrfs: subvolume mounts have distinct device IDs but report the whole
+//     filesystem; group by mount source.
+//   - everything else: device major:minor, as before.
+func (e *mountEntry) capacityKey() string {
+	switch e.fstype {
+	case "zfs", "zfsfuse":
+		return "zfs:" + zfsPoolName(e.source)
+	case "btrfs":
+		return "btrfs:" + e.source
+	default:
+		return "dev:" + e.deviceID
+	}
+}
+
+// mountGroupsFromMountinfo selects the mounts contributing capacity for root:
+// the filesystem that owns root, plus nested mounts under root, grouped by
+// capacity key. ZFS snapshot mounts are excluded.
+func mountGroupsFromMountinfo(mountinfo string, root string) ([]mountGroup, error) {
 	root = path.Clean(root)
 	entries, err := parseAllMounts(mountinfo)
 	if err != nil {
 		return nil, err
 	}
 
-	seen := make(map[string]string)
+	groupIndex := make(map[string]int)
+	var groups []mountGroup
+	addPath := func(e *mountEntry, p string) {
+		key := e.capacityKey()
+		i, ok := groupIndex[key]
+		if !ok {
+			i = len(groups)
+			groupIndex[key] = i
+			groups = append(groups, mountGroup{key: key, fstype: e.fstype})
+		}
+		// Only shared-pool filesystems (zfs) need every mountpoint; other groups
+		// report identical statfs per mount, so one probe path suffices.
+		if !isZFSType(groups[i].fstype) && len(groups[i].paths) > 0 {
+			return
+		}
+		for _, existing := range groups[i].paths {
+			if existing == p {
+				return
+			}
+		}
+		groups[i].paths = append(groups[i].paths, p)
+	}
 
 	var covering *mountEntry
 	for i := range entries {
 		e := &entries[i]
 		mp := e.mountpoint
 		if mp == root || strings.HasPrefix(root, mp+"/") || mp == "/" {
-			if covering == nil || len(mp) > len(covering.mountpoint) {
+			// >= keeps the later entry: stacked mounts at one mountpoint are
+			// shadowed by the topmost (last in mountinfo order).
+			if covering == nil || len(mp) >= len(covering.mountpoint) {
 				covering = e
 			}
 		}
 	}
 	if covering != nil {
-		seen[covering.deviceID] = root
+		// Probe root itself for the covering filesystem: root may be a plain
+		// directory inside a mount whose mountpoint is an ancestor.
+		addPath(covering, root)
+	} else {
+		// No mount covers root (e.g. hidden bind mount); probe it directly so
+		// it is not dropped when nested mounts under root do exist.
+		groups = append(groups, mountGroup{key: "self:" + root, paths: []string{root}})
 	}
 
-	for _, e := range entries {
+	// Stacked mounts: only the topmost (last in mountinfo order) is reachable.
+	lastAtMountpoint := make(map[string]int)
+	for i := range entries {
+		lastAtMountpoint[entries[i].mountpoint] = i
+	}
+	for i := range entries {
+		e := &entries[i]
 		mp := e.mountpoint
 		if mp != root && !strings.HasPrefix(mp, root+"/") {
 			continue
 		}
-		if _, ok := seen[e.deviceID]; ok {
+		if lastAtMountpoint[mp] != i {
 			continue
 		}
-		seen[e.deviceID] = mp
+		if isZFSType(e.fstype) && isZFSSnapshotMount(e.source, mp) {
+			continue
+		}
+		addPath(e, mp)
 	}
 
-	out := make([]string, 0, len(seen))
-	uniq := make(map[string]struct{}, len(seen))
-	for _, p := range seen {
-		if _, ok := uniq[p]; ok {
-			continue
-		}
-		uniq[p] = struct{}{}
-		out = append(out, p)
-	}
-	return out, nil
+	return groups, nil
 }
 
 func parseAllMounts(mountinfo string) ([]mountEntry, error) {
@@ -88,9 +144,16 @@ func parseMountinfoLine(line string) (mountEntry, bool) {
 	if len(fields) < 5 {
 		return mountEntry{}, false
 	}
+	// After " - ": "fstype source super-options".
+	post := strings.Fields(parts[1])
+	if len(post) < 2 {
+		return mountEntry{}, false
+	}
 	return mountEntry{
 		deviceID:   fields[2],
 		mountpoint: unescapeFstab(fields[4]),
+		fstype:     post[0],
+		source:     unescapeFstab(post[1]),
 	}, true
 }
 

backend/internal/adapters/fs/fileutils/partition_aggregate_mountinfo_test.go

@@ -7,6 +7,25 @@ import (
 	"testing"
 )
 
+// allGroupPaths flattens groups into a sorted list of probe paths.
+func allGroupPaths(groups []mountGroup) []string {
+	var out []string
+	for _, g := range groups {
+		out = append(out, g.paths...)
+	}
+	sort.Strings(out)
+	return out
+}
+
+func findGroup(groups []mountGroup, prefix string) *mountGroup {
+	for i := range groups {
+		if len(groups[i].key) >= len(prefix) && groups[i].key[:len(prefix)] == prefix {
+			return &groups[i]
+		}
+	}
+	return nil
+}
+
 func TestDistinctMountPathsNestedDisk(t *testing.T) {
 	// /srv lives on rootfs 8:1; /srv/data is a separate 2TB disk 8:16.
 	mountinfo := "" +
@@ -14,11 +33,11 @@ func TestDistinctMountPathsNestedDisk(t *testing.T) {
 		"45 22 8:16 /data /srv/data rw - btrfs /dev/sdb1 rw\n" +
 		"50 22 0:47 / /proc rw - proc proc rw\n"
 
-	paths, err := distinctMountPathsFromMountinfo(mountinfo, "/srv")
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
 	if err != nil {
 		t.Fatal(err)
 	}
-	sort.Strings(paths)
+	paths := allGroupPaths(groups)
 	want := []string{"/srv", "/srv/data"}
 	if len(paths) != len(want) {
 		t.Fatalf("paths = %v, want %v", paths, want)
@@ -37,11 +56,11 @@ func TestDistinctMountPathsOvermountSamePathDeduped(t *testing.T) {
 		"45 40 8:16 / /srv/data rw - btrfs /dev/sdb1 rw\n" +
 		"46 45 0:47 / /srv/data rw - tmpfs tmpfs rw\n"
 
-	paths, err := distinctMountPathsFromMountinfo(mountinfo, "/srv")
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
 	if err != nil {
 		t.Fatal(err)
 	}
-	sort.Strings(paths)
+	paths := allGroupPaths(groups)
 	want := []string{"/srv", "/srv/data"}
 	if len(paths) != len(want) {
 		t.Fatalf("paths = %v, want %v (no duplicate probe paths)", paths, want)
@@ -56,15 +75,15 @@ func TestDistinctMountPathsOvermountSamePathDeduped(t *testing.T) {
 func TestDistinctMountPathsBindSameDeviceNotDuplicated(t *testing.T) {
 	mountinfo := "" +
 		"22 1 8:1 / / rw - ext4 /dev/sda1 rw\n" +
-		"45 22 8:16 / /srv/data rw - btrfs /dev/sdb1 rw\n" +
-		"46 22 8:16 / /srv/data/bind rw,bind - btrfs /dev/sdb1 rw\n"
+		"45 22 8:16 / /srv/data rw - ext4 /dev/sdb1 rw\n" +
+		"46 22 8:16 / /srv/data/bind rw,bind - ext4 /dev/sdb1 rw\n"
 
-	paths, err := distinctMountPathsFromMountinfo(mountinfo, "/srv")
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
 	if err != nil {
 		t.Fatal(err)
 	}
-	if len(paths) != 2 {
-		t.Fatalf("expected 2 distinct devices, got %v", paths)
+	if len(groups) != 2 {
+		t.Fatalf("expected 2 distinct capacity groups, got %v", groups)
 	}
 }
 
@@ -74,11 +93,11 @@ func TestDistinctMountPathsSourceIsOwnMount(t *testing.T) {
 		"40 22 8:2 / /srv rw - ext4 /dev/sda2 rw\n" +
 		"45 40 8:16 / /srv/data rw - btrfs /dev/sdb1 rw\n"
 
-	paths, err := distinctMountPathsFromMountinfo(mountinfo, "/srv")
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
 	if err != nil {
 		t.Fatal(err)
 	}
-	sort.Strings(paths)
+	paths := allGroupPaths(groups)
 	want := []string{"/srv", "/srv/data"}
 	if len(paths) != 2 || paths[0] != want[0] || paths[1] != want[1] {
 		t.Fatalf("paths = %v, want %v", paths, want)
@@ -90,10 +109,11 @@ func TestDistinctMountPathsIgnoresUnrelated(t *testing.T) {
 		"22 1 8:1 / / rw - ext4 /dev/sda1 rw\n" +
 		"30 22 8:3 / /home rw - ext4 /dev/sda3 rw\n"
 
-	paths, err := distinctMountPathsFromMountinfo(mountinfo, "/srv")
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
 	if err != nil {
 		t.Fatal(err)
 	}
+	paths := allGroupPaths(groups)
 	if len(paths) != 1 || paths[0] != "/srv" {
 		t.Fatalf("paths = %v, want [/srv]", paths)
 	}
@@ -110,4 +130,124 @@ func TestParseMountinfoEscapedSpace(t *testing.T) {
 	if entry.deviceID != "98:0" {
 		t.Fatalf("deviceID = %q, want 98:0", entry.deviceID)
 	}
+	if entry.fstype != "ext3" {
+		t.Fatalf("fstype = %q, want ext3", entry.fstype)
+	}
+	if entry.source != "/dev/root" {
+		t.Fatalf("source = %q, want /dev/root", entry.source)
+	}
+}
+
+// TestMountGroupsZFSPoolDatasetsGrouped reproduces issue #3025: every ZFS
+// dataset gets its own device ID, so major:minor dedup counts pool capacity
+// once per dataset. They must share one capacity group.
+func TestMountGroupsZFSPoolDatasetsGrouped(t *testing.T) {
+	mountinfo := "" +
+		"22 1 8:1 / / rw - ext4 /dev/sda1 rw\n" +
+		"40 22 0:55 / /srv/pool rw - zfs pool rw\n" +
+		"41 40 0:56 / /srv/pool/ds01 rw - zfs pool/ds01 rw\n" +
+		"42 41 0:57 / /srv/pool/ds01/a rw - zfs pool/ds01/a rw\n" +
+		"43 40 0:58 / /srv/pool/ds02 rw - zfs pool/ds02 rw\n" +
+		"44 22 0:59 / /other/pool2 rw - zfs pool2 rw\n"
+
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv/pool")
+	if err != nil {
+		t.Fatal(err)
+	}
+	g := findGroup(groups, "zfs:pool")
+	if g == nil || g.key != "zfs:pool" {
+		t.Fatalf("expected one zfs:pool group, got %v", groups)
+	}
+	want := []string{"/srv/pool", "/srv/pool/ds01", "/srv/pool/ds01/a", "/srv/pool/ds02"}
+	got := append([]string{}, g.paths...)
+	sort.Strings(got)
+	sort.Strings(want)
+	if len(got) != len(want) {
+		t.Fatalf("zfs group paths = %v, want %v", got, want)
+	}
+	for i := range want {
+		if got[i] != want[i] {
+			t.Fatalf("zfs group paths = %v, want %v", got, want)
+		}
+	}
+	// The unrelated second pool must not join the group.
+	if g2 := findGroup(groups, "zfs:pool2"); g2 != nil {
+		t.Fatalf("unrelated pool2 should not be included: %v", groups)
+	}
+}
+
+func TestMountGroupsZFSSnapshotsSkipped(t *testing.T) {
+	mountinfo := "" +
+		"22 1 8:1 / / rw - ext4 /dev/sda1 rw\n" +
+		"40 22 0:55 / /srv/pool rw - zfs pool rw\n" +
+		"41 40 0:56 / /srv/pool/ds01 rw - zfs pool/ds01 rw\n" +
+		"42 41 0:57 / /srv/pool/ds01/.zfs/snapshot/snap1 rw - zfs pool/ds01@snap1 rw\n"
+
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv/pool")
+	if err != nil {
+		t.Fatal(err)
+	}
+	paths := allGroupPaths(groups)
+	for _, p := range paths {
+		if p == "/srv/pool/ds01/.zfs/snapshot/snap1" {
+			t.Fatalf("snapshot mount should be skipped: %v", paths)
+		}
+	}
+	if len(paths) != 2 {
+		t.Fatalf("paths = %v, want 2 live datasets", paths)
+	}
+}
+
+func TestMountGroupsBtrfsSubvolumesDeduped(t *testing.T) {
+	// Each btrfs subvolume mount has a distinct anonymous device but reports
+	// whole-filesystem statfs; they must collapse into one group.
+	mountinfo := "" +
+		"22 1 8:1 / / rw - ext4 /dev/sda1 rw\n" +
+		"40 22 0:33 /@ /srv rw - btrfs /dev/sdb1 rw\n" +
+		"41 40 0:34 /@home /srv/home rw - btrfs /dev/sdb1 rw\n" +
+		"42 40 0:35 /@data /srv/data rw - btrfs /dev/sdb1 rw\n"
+
+	groups, err := mountGroupsFromMountinfo(mountinfo, "/srv")
+	if err != nil {
+		t.Fatal(err)
+	}
+	g := findGroup(groups, "btrfs:")
+	if g == nil || g.key != "btrfs:/dev/sdb1" {
+		t.Fatalf("expected one btrfs group, got %v", groups)
+	}
+	// Subvolume mounts report identical fs-wide statfs; one probe path suffices.
+	if len(g.paths) != 1 || g.paths[0] != "/srv" {
+		t.Fatalf("btrfs group paths = %v, want [/srv]", g.paths)
+	}
+	if len(groups) != 1 {
+		t.Fatalf("expected exactly 1 group for /srv, got %v", groups)
+	}
+}
+
+// TestCombineGroupUsageZFSPool verifies the arithmetic from #3025: 26 datasets
+// each reporting ~19.7T avail must yield used+19.7T total, not 26*19.7T+used.
+func TestCombineGroupUsageZFSPool(t *testing.T) {
+	const avail = uint64(19_700_000_000_000)                       // ~19.7 TiB pool free
+	stats := []rawUsage{{total: 20_000_000_000_000, avail: avail}} // root ds: 0.3T used
+	for i := 0; i < 25; i++ {
+		stats = append(stats, rawUsage{total: avail + 100_000_000_000, avail: avail})
+	}
+	// One quota'd child: reports a smaller avail; must not shrink the pool.
+	stats = append(stats, rawUsage{total: 1_000_000_000_000, avail: 500_000_000_000})
+
+	u := combineGroupUsage(stats)
+	wantUsed := uint64(300_000_000_000) + 25*uint64(100_000_000_000) + 500_000_000_000
+	if u.Used != wantUsed {
+		t.Fatalf("used = %d, want %d", u.Used, wantUsed)
+	}
+	if u.Total != wantUsed+avail {
+		t.Fatalf("total = %d, want %d (used+single pool avail)", u.Total, wantUsed+avail)
+	}
+}
+
+func TestCombineGroupUsageSingleMountIdentity(t *testing.T) {
+	u := combineGroupUsage([]rawUsage{{total: 1000, avail: 400}})
+	if u.Total != 1000 || u.Used != 600 {
+		t.Fatalf("single mount = %+v, want total 1000 used 600", u)
+	}
 }

backend/internal/adapters/fs/fileutils/partition_aggregate_other.go

@@ -1,17 +1,14 @@
-//go:build !linux
+//go:build !linux && !freebsd
 
 package fileutils
 
-// GetAggregatedPartitionUsage returns total and used bytes for the filesystem
-// that owns root. Non-Linux builds use a single statfs/GetDiskFreeSpaceEx path.
-func GetAggregatedPartitionUsage(root string) (total, used uint64, err error) {
-	total, err = GetPartitionSize(root)
+// GetPartitionUsageVariants returns the aggregate and root-only capacity views
+// of root. Without mount info only a single statfs of the source path is
+// available, so both variants are identical.
+func GetPartitionUsageVariants(root string) (aggregate, rootOnly PartitionUsage, err error) {
+	u, err := singlePathPartitionUsage(root)
 	if err != nil {
-		return 0, 0, err
+		return aggregate, rootOnly, err
 	}
-	used, err = GetPartitionUsed(root)
-	if err != nil {
-		return 0, 0, err
-	}
-	return total, used, nil
+	return u, u, nil
 }

backend/internal/adapters/fs/fileutils/partition_aggregate_shared.go

@@ -0,0 +1,50 @@
+//go:build linux || freebsd
+
+package fileutils
+
+import "strings"
+
+// rawUsage is a single filesystem measurement in bytes.
+type rawUsage struct {
+	total uint64
+	avail uint64
+}
+
+// combineGroupUsage folds statfs results for mounts that share one capacity pool
+// into a single total/used pair. Per-mount used (total-avail) is summed, while
+// shared free space is counted once via the largest reported avail. This keeps
+// ZFS datasets or btrfs subvolumes from multiplying the pool's capacity by the
+// number of mounts under a source.
+func combineGroupUsage(stats []rawUsage) PartitionUsage {
+	var used, avail uint64
+	for _, s := range stats {
+		if s.total > s.avail {
+			used += s.total - s.avail
+		}
+		if s.avail > avail {
+			avail = s.avail
+		}
+	}
+	return PartitionUsage{Total: used + avail, Used: used}
+}
+
+// isZFSType reports whether fstype is a ZFS variant whose datasets share pool
+// capacity across mounts (kernel zfs or zfsfuse).
+func isZFSType(fstype string) bool {
+	return fstype == "zfs" || fstype == "zfsfuse"
+}
+
+// zfsPoolName returns the pool component of a ZFS mount source ("pool/ds@snap" -> "pool").
+func zfsPoolName(source string) string {
+	if i := strings.IndexAny(source, "/@"); i >= 0 {
+		return source[:i]
+	}
+	return source
+}
+
+// isZFSSnapshotMount reports whether a ZFS mount is a snapshot (.zfs snapdir or
+// an "@snapshot" source). Snapshots share pool space with the live datasets and
+// are excluded from capacity aggregation.
+func isZFSSnapshotMount(source, mountpoint string) bool {
+	return strings.Contains(source, "@") || strings.Contains(mountpoint, "/.zfs/")
+}

backend/internal/analytics/snapshot.go

@@ -205,8 +205,8 @@ func collectPayload(versionLabel string) (snapshotPayload, error) {
 		Integrations: integrationsPayload{
 			OnlyOfficeConfigured: strings.TrimSpace(settings.Config.Integrations.OnlyOffice.Url) != "",
 			OnlyOfficeViewOnly:   settings.Config.Integrations.OnlyOffice.ViewOnly,
-			MediaEnabled:         settings.MediaEnabled(),
-			HardwareAcceleration: settings.Config.Integrations.Media.HardwareAcceleration,
+			MediaEnabled:         settings.FFmpegEnabled(),
+			HardwareAcceleration: settings.HardwareAccelerationEnabled(),
 		},
 		Features: featuresPayload{
 			DisablePreviews:        settings.Config.Server.DisablePreviews,
@@ -301,7 +301,7 @@ func detectRuntime() string {
 
 func mapSystemOS(goos string) string {
 	switch goos {
-	case "linux", "windows", "darwin":
+	case "linux", "windows", "darwin", "freebsd":
 		return goos
 	default:
 		return "other"

backend/internal/analytics/snapshot_test.go

@@ -0,0 +1,25 @@
+package analytics
+
+import "testing"
+
+func TestMapSystemOS(t *testing.T) {
+	tests := []struct {
+		name string
+		goos string
+		want string
+	}{
+		{name: "linux", goos: "linux", want: "linux"},
+		{name: "windows", goos: "windows", want: "windows"},
+		{name: "darwin", goos: "darwin", want: "darwin"},
+		{name: "freebsd release build", goos: "freebsd", want: "freebsd"},
+		{name: "unsupported goos", goos: "plan9", want: "other"},
+		{name: "empty", goos: "", want: "other"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := mapSystemOS(tt.goos); got != tt.want {
+				t.Errorf("mapSystemOS(%q) = %q, want %q", tt.goos, got, tt.want)
+			}
+		})
+	}
+}

backend/internal/app/wire.go

@@ -1,11 +1,16 @@
 package app
 
 import (
+	"context"
+	"strings"
+
 	"github.com/gtsteffaniak/filebrowser/backend/internal/activity"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/adapters/fs/files"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/auth"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/state"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/transcoding"
 	"github.com/gtsteffaniak/filebrowser/backend/pkg/indexing"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 )
 
 // App holds wired dependencies for the running process.
@@ -17,6 +22,11 @@ type App struct {
 
 // WireServices connects domain packages to the state store after Open.
 func WireServices(store *state.Store) (*App, error) {
+	return WireServicesWithContext(context.Background(), store)
+}
+
+// WireServicesWithContext wires services using ctx for background workers.
+func WireServicesWithContext(ctx context.Context, store *state.Store) (*App, error) {
 	filesSvc := files.New(store, store, store)
 	authSvc := auth.New(store)
 	files.SetDefault(filesSvc)
@@ -26,6 +36,24 @@ func WireServices(store *state.Store) (*App, error) {
 	if err := auth.InitWebAuthn(store); err != nil {
 		return nil, err
 	}
+
+	// Always create the manager: the engine re-checks ffmpeg availability per
+	// request, so a runtime admin settings change takes effect without restart.
+	storeDir, err := transcoding.NewStore(settings.TranscodeCacheDir())
+	if err != nil {
+		return nil, err
+	}
+	// Delivery URLs stay root-relative so a subpath deployment or alternate
+	// hostname still resolves and the session cookie is sent.
+	transcodeMgr, err := transcoding.NewManager(ctx, transcoding.NewMediaEngine(), storeDir,
+		strings.TrimRight(settings.Config.Http.BaseURL, "/"))
+	if err != nil {
+		return nil, err
+	}
+	// Exported so the web layer (and shutdown) can reach it without threading
+	// it through StartHttp's Deps.
+	transcoding.SetDefault(transcodeMgr)
+
 	return &App{
 		Store: store,
 		Files: filesSvc,

backend/internal/archiveencoding/zip.go

@@ -0,0 +1,213 @@
+// Package archiveencoding decodes ZIP entry names before path normalization.
+package archiveencoding
+
+import (
+	"archive/zip"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"hash/crc32"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/encoding"
+	"golang.org/x/text/encoding/charmap"
+	"golang.org/x/text/encoding/japanese"
+	"golang.org/x/text/encoding/korean"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/encoding/traditionalchinese"
+)
+
+// ErrEncoding indicates a filename encoding that needs a different user selection.
+var ErrEncoding = errors.New("invalid ZIP filename encoding")
+
+type codec struct {
+	name     string
+	encoding encoding.Encoding
+}
+
+var codecs = []codec{
+	{"utf-8", nil},
+	{"cp932", japanese.ShiftJIS},
+	{"gb18030", simplifiedchinese.GB18030},
+	{"big5", traditionalchinese.Big5},
+	{"euc-kr", korean.EUCKR},
+	{"cp437", charmap.CodePage437},
+	{"windows-1252", charmap.Windows1252},
+}
+
+// Candidate contains a bounded preview, decoded exactly as during extraction.
+type Candidate struct {
+	Encoding string   `json:"encoding"`
+	Names    []string `json:"names"`
+}
+
+// Preview describes compatible encodings. An empty suggestion requires a choice;
+// a heuristic suggestion is never a guarantee that the names are correct.
+type Preview struct {
+	Suggested  string      `json:"suggested"`
+	Candidates []Candidate `json:"candidates"`
+}
+
+// unicodeName prefers the UTF-8 flag, then a verified Info-ZIP Unicode Path field.
+// A Unicode Path field is usable only when its version and original-name CRC match.
+func unicodeName(f *zip.File) (string, bool) {
+	if f.Flags&0x800 != 0 {
+		return f.Name, true
+	}
+	extra := f.Extra
+	for len(extra) >= 4 {
+		tag := binary.LittleEndian.Uint16(extra)
+		size := int(binary.LittleEndian.Uint16(extra[2:]))
+		extra = extra[4:]
+		if size > len(extra) {
+			break
+		}
+		field := extra[:size]
+		extra = extra[size:]
+		if tag == 0x7075 && len(field) > 5 && field[0] == 1 &&
+			binary.LittleEndian.Uint32(field[1:5]) == crc32.ChecksumIEEE([]byte(f.Name)) && utf8.Valid(field[5:]) {
+			return string(field[5:]), true
+		}
+	}
+	return "", false
+}
+
+func decode(f *zip.File, c codec) (string, error) {
+	name, declared := unicodeName(f)
+	if !declared {
+		name = f.Name
+		if c.encoding != nil {
+			var err error
+			name, err = c.encoding.NewDecoder().String(name)
+			if err != nil || strings.ContainsRune(name, utf8.RuneError) {
+				return "", fmt.Errorf("%w: cannot decode filename as %s", ErrEncoding, c.name)
+			}
+		}
+	}
+	if !utf8.ValidString(name) || strings.ContainsRune(name, 0) {
+		return "", fmt.Errorf("%w: invalid filename for %s", ErrEncoding, c.name)
+	}
+	return name, nil
+}
+
+// Inspect considers all entry names without decompressing file contents. Candidate
+// previews prefer names lacking Unicode metadata so that users can compare them.
+func Inspect(files []*zip.File) Preview {
+	result := Preview{Candidates: []Candidate{}}
+	bestScore, tied := 0, false
+	for _, c := range codecs {
+		candidate := Candidate{Encoding: c.name, Names: []string{}}
+		fallback := []string{}
+		score, valid := 0, true
+		for _, f := range files {
+			name, err := decode(f, c)
+			if err != nil {
+				valid = false
+				break
+			}
+			if len(fallback) < 5 {
+				fallback = append(fallback, name)
+			}
+			if _, declared := unicodeName(f); !declared && !isASCII(f.Name) {
+				if len(candidate.Names) < 5 {
+					candidate.Names = append(candidate.Names, name)
+				}
+				// The EUC-KR decoder also accepts CP949 extension bytes, including
+				// CP932 kana pairs. Do not use those bytes as Korean evidence.
+				if c.name != "euc-kr" || isEUCKR(f.Name) {
+					score += scriptEvidence(name, c.name)
+				}
+			}
+		}
+		if !valid {
+			continue
+		}
+		if len(candidate.Names) == 0 {
+			candidate.Names = fallback
+		}
+		result.Candidates = append(result.Candidates, candidate)
+		// Valid UTF-8 (including metadata-backed names) needs no legacy guess.
+		if c.name == "utf-8" {
+			result.Suggested = c.name
+		}
+		if score > bestScore {
+			bestScore, tied = score, false
+			if result.Suggested != "utf-8" {
+				result.Suggested = c.name
+			}
+		} else if score == bestScore && score > 0 {
+			tied = true
+		}
+	}
+	if result.Suggested != "utf-8" && (bestScore < 3 || tied) {
+		result.Suggested = ""
+	}
+	return result
+}
+
+func isASCII(s string) bool {
+	for i := 0; i < len(s); i++ {
+		if s[i] >= utf8.RuneSelf {
+			return false
+		}
+	}
+	return true
+}
+
+// isEUCKR excludes CP949 extension sequences from automatic Korean suggestions.
+func isEUCKR(raw string) bool {
+	for i := 0; i < len(raw); i++ {
+		if raw[i] < utf8.RuneSelf {
+			continue
+		}
+		if raw[i] < 0xa1 || raw[i] > 0xfe || i+1 >= len(raw) || raw[i+1] < 0xa1 || raw[i+1] > 0xfe {
+			return false
+		}
+		i++
+	}
+	return true
+}
+
+// Kana and Hangul give useful script evidence; Han alone does not distinguish
+// Japanese, simplified Chinese and traditional Chinese. Half-width kana are not
+// evidence: unrelated legacy bytes frequently decode to half-width kana.
+func scriptEvidence(name, charset string) int {
+	score := 0
+	for _, r := range name {
+		if charset == "cp932" && r < 0xff00 && (unicode.Is(unicode.Hiragana, r) || unicode.Is(unicode.Katakana, r)) {
+			score++
+		}
+		if charset == "euc-kr" && unicode.Is(unicode.Hangul, r) {
+			score++
+		}
+	}
+	return score
+}
+
+// DecodeNames resolves the selection once for the entire archive. Explicit
+// Unicode metadata always wins over the selected fallback encoding.
+func DecodeNames(files []*zip.File, charset string) ([]string, error) {
+	if charset == "" {
+		charset = Inspect(files).Suggested
+		if charset == "" {
+			return nil, fmt.Errorf("%w: choose an encoding before extracting", ErrEncoding)
+		}
+	}
+	for _, c := range codecs {
+		if c.name != charset {
+			continue
+		}
+		names := make([]string, 0, len(files))
+		for _, f := range files {
+			name, err := decode(f, c)
+			if err != nil {
+				return nil, err
+			}
+			names = append(names, name)
+		}
+		return names, nil
+	}
+	return nil, fmt.Errorf("%w: unsupported encoding %s", ErrEncoding, charset)
+}

backend/internal/archiveencoding/zip_test.go

@@ -0,0 +1,119 @@
+package archiveencoding
+
+import (
+	"archive/zip"
+	"encoding/binary"
+	"golang.org/x/text/encoding/japanese"
+	"hash/crc32"
+	"reflect"
+	"testing"
+)
+
+func entry(name string) *zip.File { return &zip.File{FileHeader: zip.FileHeader{Name: name}} }
+func cp932(t *testing.T, name string) string {
+	t.Helper()
+	s, err := japanese.ShiftJIS.NewEncoder().String(name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return s
+}
+func TestJapaneseSuggestionMatchesDecoding(t *testing.T) {
+	t.Parallel()
+	want := []string{"日本語/テストソ001.txt", "日本語/テストソ002.txt"}
+	files := []*zip.File{entry(cp932(t, want[0])), entry(cp932(t, want[1]))}
+	preview := Inspect(files)
+	if preview.Suggested != "cp932" {
+		t.Fatalf("suggestion: %+v", preview)
+	}
+	names, err := DecodeNames(files, preview.Suggested)
+	if err != nil || !reflect.DeepEqual(names, want) {
+		t.Fatalf("names=%q err=%v", names, err)
+	}
+	for _, c := range preview.Candidates {
+		if c.Encoding == preview.Suggested && !reflect.DeepEqual(c.Names, names) {
+			t.Fatalf("preview mismatch: %q", c.Names)
+		}
+	}
+}
+func TestAmbiguousNamesRequireSelection(t *testing.T) {
+	t.Parallel()
+	files := []*zip.File{entry("caf\x82.txt")}
+	if p := Inspect(files); p.Suggested != "" {
+		t.Fatalf("ambiguous name was guessed: %+v", p)
+	}
+	if _, err := DecodeNames(files, ""); err == nil {
+		t.Fatal("expected explicit choice")
+	}
+	names, err := DecodeNames(files, "cp437")
+	if err != nil || names[0] != "café.txt" {
+		t.Fatalf("names=%q err=%v", names, err)
+	}
+	for _, c := range []string{"utf-8", "unknown"} {
+		if _, err = DecodeNames(files, c); err == nil {
+			t.Fatalf("invalid encoding accepted: %s", c)
+		}
+	}
+}
+func unicodeExtra(raw, name string) []byte {
+	payload := append([]byte{1, 0, 0, 0, 0}, []byte(name)...)
+	binary.LittleEndian.PutUint32(payload[1:], crc32.ChecksumIEEE([]byte(raw)))
+	extra := []byte{0x75, 0x70, 0, 0}
+	binary.LittleEndian.PutUint16(extra[2:], uint16(len(payload)))
+	return append(extra, payload...)
+}
+func TestUnicodeMetadataTakesPrecedence(t *testing.T) {
+	t.Parallel()
+	flagged := entry("日本語.txt")
+	flagged.Flags = 0x800
+	extra := entry("legacy.txt")
+	extra.Extra = unicodeExtra(extra.Name, "別の名前.txt")
+	names, err := DecodeNames([]*zip.File{flagged, extra}, "cp437")
+	if err != nil || !reflect.DeepEqual(names, []string{"日本語.txt", "別の名前.txt"}) {
+		t.Fatalf("names=%q err=%v", names, err)
+	}
+	extra.Extra[5] ^= 1
+	names, err = DecodeNames([]*zip.File{extra}, "cp437")
+	if err != nil || names[0] != "legacy.txt" {
+		t.Fatalf("names=%q err=%v", names, err)
+	}
+}
+func TestInvalidUnicodeMetadata(t *testing.T) {
+	t.Parallel()
+	for _, raw := range []string{"bad\xff.txt", "bad\x00.txt"} {
+		f := entry(raw)
+		f.Flags = 0x800
+		if _, err := DecodeNames([]*zip.File{f}, "cp932"); err == nil {
+			t.Fatalf("invalid declared UTF-8 accepted: %q", raw)
+		}
+	}
+	f := entry("ok.txt")
+	f.Extra = []byte{0x75, 0x70, 0xff, 0xff}
+	if _, err := DecodeNames([]*zip.File{f}, "utf-8"); err != nil {
+		t.Fatal(err)
+	}
+}
+func TestUTF8AndASCIIArchives(t *testing.T) {
+	t.Parallel()
+	for _, files := range [][]*zip.File{nil, {entry("readme.txt")}, {entry("日本語.txt")}} {
+		if p := Inspect(files); p.Suggested != "utf-8" {
+			t.Fatalf("expected UTF-8: %+v", p)
+		}
+	}
+}
+func TestPreviewBoundAndAllNamesValidated(t *testing.T) {
+	t.Parallel()
+	files := make([]*zip.File, 20)
+	for i := range files {
+		files[i] = entry("readme.txt")
+	}
+	files = append(files, entry("invalid\xff.txt"))
+	for _, c := range Inspect(files).Candidates {
+		if len(c.Names) > 5 {
+			t.Fatal("unbounded preview")
+		}
+		if c.Encoding == "utf-8" {
+			t.Fatal("entry beyond preview was not validated")
+		}
+	}
+}

backend/internal/auth/auth.go

@@ -6,9 +6,10 @@ import (
 	"time"
 
 	"github.com/golang-jwt/jwt/v4"
-	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/database/access"
 	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/utils"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
 )
 
 // Auther is the authentication interface.
@@ -39,18 +40,24 @@ func MakeSignedTokenAPI(user *users.User, name string, duration time.Duration, p
 	if _, ok := user.Tokens[name]; ok {
 		return "", users.AuthToken{}, fmt.Errorf("key already exists with same name %v ", name)
 	}
+	id, err := utils.RandomHex(16)
+	if err != nil {
+		return "", users.AuthToken{}, fmt.Errorf("generate token id: %w", err)
+	}
 	now := time.Now()
 	expires := now.Add(duration)
 	// Create minimal token with only JWT standard claims
 	claim := users.AuthToken{
 		MinimalAuthToken: users.MinimalAuthToken{
 			RegisteredClaims: jwt.RegisteredClaims{
+				ID:        id,
 				IssuedAt:  jwt.NewNumericDate(now),
 				ExpiresAt: jwt.NewNumericDate(expires),
 				Issuer:    FB_ISSUER,
 			},
 		},
 	}
+	claim.Minimal = &minimal
 	if !minimal {
 		claim.Permissions = users.SanitizeTokenPermissions(perms)
 	}

backend/internal/auth/json.go

@@ -14,5 +14,5 @@ type JSONAuth struct {
 
 // Auth authenticates the user via a json in content body (legacy method for compatibility).
 func (auther JSONAuth) Auth(r *http.Request, _ *users.Storage) (*users.User, error) {
-	return AuthenticatePassword(r, auther.ReCaptcha)
+	return AuthenticatePassword(r, auther.ReCaptcha, false)
 }

backend/internal/auth/service.go

@@ -30,7 +30,8 @@ func SetDefault(s *Service) {
 }
 
 // AuthenticatePassword authenticates the user via password in request headers.
-func (s *Service) AuthenticatePassword(r *http.Request, disableOtp bool) (*users.User, error) {
+// When skipRequirePasswordChange is true, a valid password is accepted even if RequirePasswordChange is set (change-required flow).
+func (s *Service) AuthenticatePassword(r *http.Request, disableOtp bool, skipRequirePasswordChange bool) (*users.User, error) {
 	if s == nil || s.users == nil {
 		return nil, fmt.Errorf("auth service not configured")
 	}
@@ -63,6 +64,9 @@ func (s *Service) AuthenticatePassword(r *http.Request, disableOtp bool) (*users
 	if getErr != nil {
 		return nil, fmt.Errorf("unable to get user from store: %v", err)
 	}
+	if user.RequirePasswordChange && user.LoginMethod == users.LoginMethodPassword && !skipRequirePasswordChange {
+		return nil, errors.ErrPasswordChangeRequired
+	}
 	if user.TOTPSecret != "" && !disableOtp {
 		if totpCode == "" {
 			return nil, errors.ErrNoTotpProvided
@@ -80,9 +84,9 @@ func (s *Service) AuthenticatePassword(r *http.Request, disableOtp bool) (*users
 }
 
 // AuthenticatePassword authenticates via the default service.
-func AuthenticatePassword(r *http.Request, disableOtp bool) (*users.User, error) {
+func AuthenticatePassword(r *http.Request, disableOtp bool, skipRequirePasswordChange bool) (*users.User, error) {
 	if defaultService != nil {
-		return defaultService.AuthenticatePassword(r, disableOtp)
+		return defaultService.AuthenticatePassword(r, disableOtp, skipRequirePasswordChange)
 	}
 	return nil, fmt.Errorf("auth service not configured")
 }

backend/internal/auth/token_uniqueness_test.go

@@ -0,0 +1,56 @@
+package auth
+
+import (
+	"testing"
+	"testing/synctest"
+	"time"
+
+	"github.com/golang-jwt/jwt/v4"
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/users"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
+)
+
+func TestSignedTokensAreUniqueAtSameTime(t *testing.T) {
+	origKey := settings.Config.Auth.Key
+	settings.Config.Auth.Key = "test-signing-key-for-token-uniqueness"
+	t.Cleanup(func() { settings.Config.Auth.Key = origKey })
+
+	// Freeze the clock so every token has identical issue and expiry times.
+	synctest.Test(t, func(t *testing.T) {
+		now := time.Now()
+		tokens := make(map[string]users.AuthToken)
+		for _, userID := range []uint64{1, 2} {
+			user := &users.User{ID: userID}
+			for _, minimal := range []bool{true, false} {
+				for range 2 {
+					tokenString, claim, err := MakeSignedTokenAPI(user, "test-token", time.Hour, users.Permissions{Api: true}, minimal)
+					if err != nil {
+						t.Fatal(err)
+					}
+					if _, exists := tokens[tokenString]; exists {
+						t.Fatalf("token collision for user %d with minimal=%v", userID, minimal)
+					}
+					tokens[tokenString] = claim
+				}
+			}
+		}
+		ids := make(map[string]bool)
+		for tokenString, claim := range tokens {
+			var parsed users.MinimalAuthToken
+			if _, err := jwt.ParseWithClaims(tokenString, &parsed, JWTSigningKeyFunc()); err != nil {
+				t.Fatalf("parse signed token: %v", err)
+			}
+			if parsed.ID == "" || ids[parsed.ID] {
+				t.Fatal("each signed token must have a unique nonempty id")
+			}
+			ids[parsed.ID] = true
+			if parsed.ID != claim.ID {
+				t.Fatal("signed token id must match returned metadata")
+			}
+			if parsed.IssuedAt == nil || !parsed.IssuedAt.Equal(now) || parsed.ExpiresAt == nil || !parsed.ExpiresAt.Equal(now.Add(time.Hour)) {
+				t.Fatal("token uniqueness must not depend on changing timestamps")
+			}
+			assertMinimalJWTClaims(t, tokenString)
+		}
+	})
+}

backend/internal/database/access/access.go

@@ -1,10 +1,8 @@
 package access
 
 import (
-	"encoding/json"
 	"fmt"
 	"maps"
-	"path/filepath"
 	"slices"
 	"sort"
 	"strings"
@@ -126,6 +124,9 @@ type RuleUpsert struct {
 type SQLPersister interface {
 	SaveAccessRule(source, path string, rule *AccessRule) error
 	DeleteAccessRule(source, path string) error
+	MigrateAccessRulePathsLowercase(source string, oldPaths []string, newRules RuleMap) error
+	AccessRulesLowercaseMigrated() (bool, error)
+	SetAccessRulesLowercaseMigrated() error
 	SaveGroup(name string, members StringSet) error
 	DeleteGroup(name string) error
 	DeleteGroupWithRules(name string, save []RuleUpsert, remove []RuleKey) error
@@ -222,8 +223,14 @@ func accessRuleHasPayload(rule *AccessRule) bool {
 // persistRuleSQLNL upserts or deletes one access_rules row to match in-memory state.
 // Caller must hold s.mux (write lock). normalizedPath must match rule map keys (see getOrCreateRuleNL).
 func (s *Storage) persistRuleSQLNL(sourcePath, normalizedPath string) {
+	if err := s.persistRuleSQLErrorNL(sourcePath, normalizedPath); err != nil {
+		logger.Warningf("%v", err)
+	}
+}
+
+func (s *Storage) persistRuleSQLErrorNL(sourcePath, normalizedPath string) error {
 	if s.sqlStore == nil {
-		return
+		return nil
 	}
 	var rule *AccessRule
 	if bySrc, ok := s.AllRules[sourcePath]; ok {
@@ -231,18 +238,35 @@ func (s *Storage) persistRuleSQLNL(sourcePath, normalizedPath string) {
 	}
 	if !accessRuleHasPayload(rule) {
 		if err := s.sqlStore.DeleteAccessRule(sourcePath, normalizedPath); err != nil {
-			logger.Warningf("access rules SQL delete (source=%s path=%s): %v", sourcePath, normalizedPath, err)
+			return fmt.Errorf("access rules SQL delete (source=%s path=%s): %w", sourcePath, normalizedPath, err)
 		}
-		return
+		return nil
 	}
 	if err := s.sqlStore.SaveAccessRule(sourcePath, normalizedPath, rule); err != nil {
-		logger.Warningf("access rules SQL save (source=%s path=%s): %v", sourcePath, normalizedPath, err)
+		return fmt.Errorf("access rules SQL save (source=%s path=%s): %w", sourcePath, normalizedPath, err)
 	}
+	return nil
+}
+
+func (s *Storage) restoreRuleSQLNL(key RuleKey, rule *AccessRule) error {
+	if s.sqlStore == nil {
+		return nil
+	}
+	if !accessRuleHasPayload(rule) {
+		if err := s.sqlStore.DeleteAccessRule(key.Source, key.Path); err != nil {
+			return fmt.Errorf("access rules SQL delete (source=%s path=%s): %w", key.Source, key.Path, err)
+		}
+		return nil
+	}
+	if err := s.sqlStore.SaveAccessRule(key.Source, key.Path, rule); err != nil {
+		return fmt.Errorf("access rules SQL save (source=%s path=%s): %w", key.Source, key.Path, err)
+	}
+	return nil
 }
 
 // RemoveRuleByPath removes a rule by normalized index path.
 func (s *Storage) RemoveRuleByPath(sourcePath string, indexPath utils.IndexPath) {
-	s.RemoveRuleByPathKey(sourcePath, ruleKey(indexPath))
+	s.RemoveRuleByPathKey(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 }
 
 // RemoveRuleByPathKey removes a rule by its exact storage key (for legacy migration paths).
@@ -255,6 +279,7 @@ func (s *Storage) RemoveRuleByPathKey(sourcePath, pathKey string) {
 		return
 	}
 
+	pathKey = strings.ToLower(pathKey)
 	if _, exists := rulesBySource[pathKey]; !exists {
 		return
 	}
@@ -267,7 +292,7 @@ func (s *Storage) RemoveRuleByPathKey(sourcePath, pathKey string) {
 	if s.sqlStore != nil {
 		_ = s.sqlStore.DeleteAccessRule(sourcePath, pathKey)
 		normalized := utils.AddTrailingSlashIfNotExists(pathKey)
-		if normalized != pathKey {
+		if normalized != pathKey && rulesBySource[normalized] == nil {
 			_ = s.sqlStore.DeleteAccessRule(sourcePath, normalized)
 		}
 	}
@@ -276,7 +301,7 @@ func (s *Storage) RemoveRuleByPathKey(sourcePath, pathKey string) {
 // getOrCreateRuleNL ensures a rule exists for the given source and index path.
 // The caller must hold the lock.
 func (s *Storage) getOrCreateRuleNL(sourcePath string, indexPath utils.IndexPath) *AccessRule {
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	if _, ok := s.AllRules[sourcePath]; !ok {
 		s.AllRules[sourcePath] = make(RuleMap)
 	}
@@ -287,6 +312,19 @@ func (s *Storage) getOrCreateRuleNL(sourcePath string, indexPath utils.IndexPath
 			Allow: RuleSet{Users: make(StringSet), Groups: make(StringSet)},
 		}
 		s.AllRules[sourcePath][normalizedPath] = rule
+	} else {
+		if rule.Deny.Users == nil {
+			rule.Deny.Users = make(StringSet)
+		}
+		if rule.Deny.Groups == nil {
+			rule.Deny.Groups = make(StringSet)
+		}
+		if rule.Allow.Users == nil {
+			rule.Allow.Users = make(StringSet)
+		}
+		if rule.Allow.Groups == nil {
+			rule.Allow.Groups = make(StringSet)
+		}
 	}
 	return rule
 }
@@ -302,7 +340,7 @@ func (s *Storage) DenyUser(sourcePath string, indexPath utils.IndexPath, usernam
 	}
 	rule.Deny.Users[username] = struct{}{}
 	s.clearAllCaches()
-	s.persistRuleSQLNL(sourcePath, ruleKey(indexPath))
+	s.persistRuleSQLNL(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 	return nil
 }
 
@@ -317,7 +355,7 @@ func (s *Storage) AllowUser(sourcePath string, indexPath utils.IndexPath, userna
 	}
 	rule.Allow.Users[username] = struct{}{}
 	s.clearAllCaches()
-	s.persistRuleSQLNL(sourcePath, ruleKey(indexPath))
+	s.persistRuleSQLNL(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 	return nil
 }
 
@@ -335,7 +373,7 @@ func (s *Storage) DenyGroup(sourcePath string, indexPath utils.IndexPath, groupn
 	}
 	rule.Deny.Groups[groupname] = struct{}{}
 	s.clearAllCaches()
-	s.persistRuleSQLNL(sourcePath, ruleKey(indexPath))
+	s.persistRuleSQLNL(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 	return nil
 }
 
@@ -353,7 +391,7 @@ func (s *Storage) AllowGroup(sourcePath string, indexPath utils.IndexPath, group
 	}
 	rule.Allow.Groups[groupname] = struct{}{}
 	s.clearAllCaches()
-	s.persistRuleSQLNL(sourcePath, ruleKey(indexPath))
+	s.persistRuleSQLNL(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 	return nil
 }
 
@@ -367,13 +405,13 @@ func (s *Storage) DenyAll(sourcePath string, indexPath utils.IndexPath) error {
 	}
 	rule.DenyAll = true
 	s.clearAllCaches()
-	s.persistRuleSQLNL(sourcePath, ruleKey(indexPath))
+	s.persistRuleSQLNL(sourcePath, s.ruleKeyForNL(sourcePath, indexPath))
 	return nil
 }
 
 // Permitted checks if a username is permitted for a given sourcePath and indexPath, recursively checking parent directories.
 func (s *Storage) Permitted(sourcePath string, indexPath utils.IndexPath, username string) bool {
-	indexPath = checkPath(indexPath)
+	indexPath = s.checkPathForSource(sourcePath, indexPath)
 	pathStr := indexPath.String()
 
 	// Get current version for the sourcePath
@@ -446,7 +484,7 @@ func (s *Storage) getRuleAtExactPath(sourcePath string, indexPath utils.IndexPat
 	if !ok {
 		return nil, false
 	}
-	rule, ok := rulesBySource[ruleKey(indexPath)]
+	rule, ok := rulesBySource[s.ruleKeyForNL(sourcePath, indexPath)]
 	return rule, ok
 }
 
@@ -505,7 +543,7 @@ func (s *Storage) GetFrontendRules(sourcePath string, indexPath utils.IndexPath)
 	}
 
 	// Check if path exists on filesystem
-	pathExists := utils.CheckPathExists(filepath.Join(sourcePath, indexPath.String()))
+	pathExists := checkRulePathExists(sourcePath, indexPath.String())
 
 	frontendRules := FrontendAccessRule{
 		SourceDenyDefault: sourceDenyDefault,
@@ -523,7 +561,7 @@ func (s *Storage) GetFrontendRules(sourcePath string, indexPath utils.IndexPath)
 	if !ok {
 		return frontendRules, false
 	}
-	rule, ok := rulesBySource[ruleKey(indexPath)]
+	rule, ok := rulesBySource[s.ruleKeyForNL(sourcePath, indexPath)]
 	if !ok || rule == nil {
 		return frontendRules, false
 	}
@@ -570,7 +608,7 @@ func (s *Storage) GetAllRules(sourcePath string) (map[string]FrontendAccessRule,
 		frontendPath := indexPath
 
 		// Check if path exists on filesystem
-		pathExists := utils.CheckPathExists(filepath.Join(sourcePath, indexPath))
+		pathExists := checkRulePathExists(sourcePath, indexPath)
 
 		// Convert AccessRule to FrontendAccessRule
 		frontendRules[frontendPath] = FrontendAccessRule{
@@ -677,13 +715,8 @@ func (s *Storage) DeleteGroup(group string) error {
 	s.mux.Lock()
 	defer s.mux.Unlock()
 	previousMembers, existed := s.Groups[group]
-	// Snapshot the rules so they can be restored if the transaction fails.
-	rulesSnapshot, err := json.Marshal(s.AllRules)
-	if err != nil {
-		return fmt.Errorf("failed to snapshot access rules: %w", err)
-	}
 	delete(s.Groups, group)
-	touched := s.removeAllRulesForGroupNL(group)
+	touched, originals := s.removeAllRulesForGroupNL(group)
 	if !existed && len(touched) == 0 {
 		return nil
 	}
@@ -691,11 +724,11 @@ func (s *Storage) DeleteGroup(group string) error {
 		if existed {
 			s.Groups[group] = previousMembers
 		}
-		restored := make(SourceRuleMap)
-		if jsonErr := json.Unmarshal(rulesSnapshot, &restored); jsonErr != nil {
-			logger.Errorf("failed to restore access rules after group delete error: %v", jsonErr)
-		} else {
-			s.AllRules = restored
+		for key, rule := range originals {
+			if s.AllRules[key.Source] == nil {
+				s.AllRules[key.Source] = make(RuleMap)
+			}
+			s.AllRules[key.Source][key.Path] = rule
 		}
 		return err
 	}
@@ -748,7 +781,7 @@ func (s *Storage) SyncUserGroups(username string, newGroups []string) error {
 	// Create a set of new groups for efficient lookup
 	newGroupsSet := make(StringSet, len(newGroups))
 	for _, g := range newGroups {
-		if g == "" {
+		if !IsUsableSyncedGroupName(g) {
 			continue
 		}
 		newGroupsSet[g] = struct{}{}
@@ -862,11 +895,148 @@ func (s *Storage) RemoveUserFromGroup(group, username string) error {
 	return nil
 }
 
+// RemoveUserFromAllGroups removes a username from every group's member list.
+// Group rows themselves are kept, even when left empty. Used when a user is deleted.
+func (s *Storage) RemoveUserFromAllGroups(username string) error {
+	s.mux.Lock()
+	defer s.mux.Unlock()
+	affected := make(map[string]StringSet)
+	for group, members := range s.Groups {
+		if _, ok := members[username]; ok {
+			affected[group] = cloneStringSet(members)
+		}
+	}
+	if len(affected) == 0 {
+		return nil
+	}
+	for group := range affected {
+		delete(s.Groups[group], username)
+	}
+	var persisted []string
+	for _, group := range slices.Sorted(maps.Keys(affected)) {
+		if err := s.persistGroupSQLNL(group); err != nil {
+			for _, g := range persisted {
+				if restoreErr := s.restoreGroupSQLNL(g, affected[g]); restoreErr != nil {
+					logger.Errorf("failed to restore group %q in sql after failure: %v", g, restoreErr)
+				}
+			}
+			for g, snap := range affected {
+				s.Groups[g] = snap
+			}
+			return err
+		}
+		persisted = append(persisted, group)
+	}
+	s.clearAllCaches()
+	return nil
+}
+
+// RenameUserInGroups replaces one username with another in every group member list.
+// Used when a user's username changes so memberships follow the rename.
+func (s *Storage) RenameUserInGroups(oldName, newName string) error {
+	s.mux.Lock()
+	defer s.mux.Unlock()
+	if oldName == newName {
+		return nil
+	}
+	affected := make(map[string]StringSet)
+	for group, members := range s.Groups {
+		if _, ok := members[oldName]; ok {
+			affected[group] = cloneStringSet(members)
+		}
+	}
+	if len(affected) == 0 {
+		return nil
+	}
+	for group := range affected {
+		delete(s.Groups[group], oldName)
+		s.Groups[group][newName] = struct{}{}
+	}
+	var persisted []string
+	for _, group := range slices.Sorted(maps.Keys(affected)) {
+		if err := s.persistGroupSQLNL(group); err != nil {
+			for _, g := range persisted {
+				if restoreErr := s.restoreGroupSQLNL(g, affected[g]); restoreErr != nil {
+					logger.Errorf("failed to restore group %q in sql after failure: %v", g, restoreErr)
+				}
+			}
+			for g, snap := range affected {
+				s.Groups[g] = snap
+			}
+			return err
+		}
+		persisted = append(persisted, group)
+	}
+	s.clearAllCaches()
+	return nil
+}
+
+// RenameUserInRules replaces one username with another in every allow and deny user list.
+// Used when a user's username changes so path access rules follow the rename.
+func (s *Storage) RenameUserInRules(oldName, newName string) error {
+	s.mux.Lock()
+	defer s.mux.Unlock()
+	if oldName == newName {
+		return nil
+	}
+	affected := make(map[RuleKey]*AccessRule)
+	var keys []RuleKey
+	for sourcePath, rulesBySource := range s.AllRules {
+		for indexPath, rule := range rulesBySource {
+			_, inAllow := rule.Allow.Users[oldName]
+			_, inDeny := rule.Deny.Users[oldName]
+			if !inAllow && !inDeny {
+				continue
+			}
+			key := RuleKey{Source: sourcePath, Path: indexPath}
+			affected[key] = cloneAccessRule(rule)
+			if inAllow {
+				delete(rule.Allow.Users, oldName)
+				rule.Allow.Users[newName] = struct{}{}
+			}
+			if inDeny {
+				delete(rule.Deny.Users, oldName)
+				rule.Deny.Users[newName] = struct{}{}
+			}
+			keys = append(keys, key)
+		}
+	}
+	if len(keys) == 0 {
+		return nil
+	}
+	slices.SortFunc(keys, func(a, b RuleKey) int {
+		if c := strings.Compare(a.Source, b.Source); c != 0 {
+			return c
+		}
+		return strings.Compare(a.Path, b.Path)
+	})
+	var persisted []RuleKey
+	for _, key := range keys {
+		if err := s.persistRuleSQLErrorNL(key.Source, key.Path); err != nil {
+			for _, pk := range persisted {
+				if restoreErr := s.restoreRuleSQLNL(pk, affected[pk]); restoreErr != nil {
+					logger.Errorf("failed to restore access rule %q/%q in sql after failure: %v", pk.Source, pk.Path, restoreErr)
+				}
+			}
+			for key, snap := range affected {
+				if s.AllRules[key.Source] == nil {
+					s.AllRules[key.Source] = make(RuleMap)
+				}
+				s.AllRules[key.Source][key.Path] = snap
+			}
+			return err
+		}
+		persisted = append(persisted, key)
+	}
+	s.clearAllCaches()
+	return nil
+}
+
 // RemoveAllowUser removes a user from the allow list for a given source and index path.
 func (s *Storage) RemoveAllowUser(sourcePath string, indexPath utils.IndexPath, username string) (bool, error) {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rule, ok := s.AllRules[sourcePath][normalizedPath]
 	if !ok {
 		return false, nil
@@ -877,11 +1047,8 @@ func (s *Storage) RemoveAllowUser(sourcePath string, indexPath utils.IndexPath,
 	}
 	removed := exists
 	// If rule is now empty, remove it
-	if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-		delete(s.AllRules[sourcePath], normalizedPath)
-		if len(s.AllRules[sourcePath]) == 0 {
-			delete(s.AllRules, sourcePath)
-		}
+	if !accessRuleHasPayload(rule) {
+		s.deleteStoredRuleNL(sourcePath, normalizedPath)
 	}
 	if removed {
 		s.clearAllCaches()
@@ -895,7 +1062,7 @@ func (s *Storage) RemoveAllowUser(sourcePath string, indexPath utils.IndexPath,
 func (s *Storage) RemoveAllowGroup(sourcePath string, indexPath utils.IndexPath, groupname string) (bool, error) {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rule, ok := s.AllRules[sourcePath][normalizedPath]
 	if !ok {
 		return false, nil
@@ -906,11 +1073,8 @@ func (s *Storage) RemoveAllowGroup(sourcePath string, indexPath utils.IndexPath,
 	}
 	removed := exists
 	// If rule is now empty, remove it
-	if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-		delete(s.AllRules[sourcePath], normalizedPath)
-		if len(s.AllRules[sourcePath]) == 0 {
-			delete(s.AllRules, sourcePath)
-		}
+	if !accessRuleHasPayload(rule) {
+		s.deleteStoredRuleNL(sourcePath, normalizedPath)
 	}
 	if removed {
 		s.clearAllCaches()
@@ -924,7 +1088,7 @@ func (s *Storage) RemoveAllowGroup(sourcePath string, indexPath utils.IndexPath,
 func (s *Storage) RemoveDenyUser(sourcePath string, indexPath utils.IndexPath, username string) (bool, error) {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rule, ok := s.AllRules[sourcePath][normalizedPath]
 	if !ok {
 		return false, nil
@@ -935,11 +1099,8 @@ func (s *Storage) RemoveDenyUser(sourcePath string, indexPath utils.IndexPath, u
 	}
 	removed := exists
 	// If rule is now empty, remove it
-	if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-		delete(s.AllRules[sourcePath], normalizedPath)
-		if len(s.AllRules[sourcePath]) == 0 {
-			delete(s.AllRules, sourcePath)
-		}
+	if !accessRuleHasPayload(rule) {
+		s.deleteStoredRuleNL(sourcePath, normalizedPath)
 	}
 	if removed {
 		s.clearAllCaches()
@@ -953,7 +1114,7 @@ func (s *Storage) RemoveDenyUser(sourcePath string, indexPath utils.IndexPath, u
 func (s *Storage) RemoveDenyGroup(sourcePath string, indexPath utils.IndexPath, groupname string) (bool, error) {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rule, ok := s.AllRules[sourcePath][normalizedPath]
 	if !ok {
 		return false, nil
@@ -964,11 +1125,8 @@ func (s *Storage) RemoveDenyGroup(sourcePath string, indexPath utils.IndexPath,
 	}
 	removed := exists
 	// If rule is now empty, remove it
-	if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-		delete(s.AllRules[sourcePath], normalizedPath)
-		if len(s.AllRules[sourcePath]) == 0 {
-			delete(s.AllRules, sourcePath)
-		}
+	if !accessRuleHasPayload(rule) {
+		s.deleteStoredRuleNL(sourcePath, normalizedPath)
 	}
 	if removed {
 		s.clearAllCaches()
@@ -982,7 +1140,7 @@ func (s *Storage) RemoveDenyGroup(sourcePath string, indexPath utils.IndexPath,
 func (s *Storage) RemoveDenyAll(sourcePath string, indexPath utils.IndexPath) (bool, error) {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rule, ok := s.AllRules[sourcePath][normalizedPath]
 	if !ok {
 		return false, nil
@@ -993,11 +1151,8 @@ func (s *Storage) RemoveDenyAll(sourcePath string, indexPath utils.IndexPath) (b
 		removed = true
 	}
 	// If rule is now empty, remove it
-	if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-		delete(s.AllRules[sourcePath], normalizedPath)
-		if len(s.AllRules[sourcePath]) == 0 {
-			delete(s.AllRules, sourcePath)
-		}
+	if !accessRuleHasPayload(rule) {
+		s.deleteStoredRuleNL(sourcePath, normalizedPath)
 	}
 	if removed {
 		s.clearAllCaches()
@@ -1008,93 +1163,98 @@ func (s *Storage) RemoveDenyAll(sourcePath string, indexPath utils.IndexPath) (b
 }
 
 // RemoveAllRulesForUser removes a user from all allow and deny lists.
+// On a persistence failure the in-memory and already-persisted rules are restored and the error is returned.
 func (s *Storage) RemoveAllRulesForUser(username string) error {
 	s.mux.Lock()
 	defer s.mux.Unlock()
-	changed := false
-	dirty := make(map[string]map[string]struct{})
-	touch := func(sp, ip string) {
-		if dirty[sp] == nil {
-			dirty[sp] = make(map[string]struct{})
-		}
-		dirty[sp][ip] = struct{}{}
-	}
+	affected := make(map[RuleKey]*AccessRule)
 	for sourcePath, rulesBySource := range s.AllRules {
 		for indexPath, rule := range rulesBySource {
-			if _, exists := rule.Allow.Users[username]; exists {
-				delete(rule.Allow.Users, username)
-				touch(sourcePath, indexPath)
-				changed = true
+			_, inAllow := rule.Allow.Users[username]
+			_, inDeny := rule.Deny.Users[username]
+			if !inAllow && !inDeny {
+				continue
 			}
-			if _, exists := rule.Deny.Users[username]; exists {
-				delete(rule.Deny.Users, username)
-				touch(sourcePath, indexPath)
-				changed = true
-			}
-			if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 && len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 {
-				delete(s.AllRules[sourcePath], indexPath)
-				if len(s.AllRules[sourcePath]) == 0 {
-					delete(s.AllRules, sourcePath)
+			affected[RuleKey{Source: sourcePath, Path: indexPath}] = cloneAccessRule(rule)
+			delete(rule.Allow.Users, username)
+			delete(rule.Deny.Users, username)
+		}
+	}
+	if len(affected) == 0 {
+		return nil
+	}
+	keys := slices.SortedFunc(maps.Keys(affected), func(a, b RuleKey) int {
+		if c := strings.Compare(a.Source, b.Source); c != 0 {
+			return c
+		}
+		return strings.Compare(a.Path, b.Path)
+	})
+	for _, key := range keys {
+		rule := s.AllRules[key.Source][key.Path]
+		if rule.DenyAll || len(rule.Allow.Users) > 0 || len(rule.Allow.Groups) > 0 || len(rule.Deny.Users) > 0 || len(rule.Deny.Groups) > 0 {
+			continue
+		}
+		s.deleteStoredRuleNL(key.Source, key.Path)
+	}
+	var persisted []RuleKey
+	for _, key := range keys {
+		if err := s.persistRuleSQLErrorNL(key.Source, key.Path); err != nil {
+			for _, pk := range persisted {
+				if restoreErr := s.restoreRuleSQLNL(pk, affected[pk]); restoreErr != nil {
+					logger.Errorf("failed to restore access rule %q/%q in sql after failure: %v", pk.Source, pk.Path, restoreErr)
 				}
-				touch(sourcePath, indexPath)
 			}
-		}
-	}
-	if changed {
-		s.clearAllCaches()
-		for sp, paths := range dirty {
-			for ip := range paths {
-				s.persistRuleSQLNL(sp, ip)
+			for k, snap := range affected {
+				if s.AllRules[k.Source] == nil {
+					s.AllRules[k.Source] = make(RuleMap)
+				}
+				s.AllRules[k.Source][k.Path] = snap
 			}
+			return err
 		}
+		persisted = append(persisted, key)
 	}
-	return nil
-}
-
-// RemoveAllRulesForGroup removes a group from all allow and deny lists.
-func (s *Storage) RemoveAllRulesForGroup(groupname string) error {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	touched := s.removeAllRulesForGroupNL(groupname)
-	if len(touched) > 0 {
-		s.clearAllCaches()
-		for _, key := range touched {
-			s.persistRuleSQLNL(key.Source, key.Path)
-		}
-	}
+	s.clearAllCaches()
 	return nil
 }
 
 // removeAllRulesForGroupNL removes a group from every allow and deny list in memory and
-// returns the rules it touched (rules left empty are deleted). It does not persist; the
-// caller must hold s.mux and save the returned rules.
-func (s *Storage) removeAllRulesForGroupNL(groupname string) []RuleKey {
+// returns the rules it touched (rules left empty are deleted) plus a deep copy of each
+// touched rule's previous state for rollback. It does not persist; the caller must hold
+// s.mux and save the returned rules.
+func (s *Storage) removeAllRulesForGroupNL(groupname string) ([]RuleKey, map[RuleKey]*AccessRule) {
 	var touched []RuleKey
+	originals := make(map[RuleKey]*AccessRule)
 	for sourcePath, rulesBySource := range s.AllRules {
 		for indexPath, rule := range rulesBySource {
-			touchedRule := false
-			if _, exists := rule.Allow.Groups[groupname]; exists {
-				delete(rule.Allow.Groups, groupname)
-				touchedRule = true
-			}
-			if _, exists := rule.Deny.Groups[groupname]; exists {
-				delete(rule.Deny.Groups, groupname)
-				touchedRule = true
+			_, inAllow := rule.Allow.Groups[groupname]
+			_, inDeny := rule.Deny.Groups[groupname]
+			if !inAllow && !inDeny {
+				continue
 			}
+			key := RuleKey{Source: sourcePath, Path: indexPath}
+			originals[key] = cloneAccessRule(rule)
+			delete(rule.Allow.Groups, groupname)
+			delete(rule.Deny.Groups, groupname)
 			// A rule left with only DenyAll must stay, otherwise removing the group would open the path.
 			if !accessRuleHasPayload(rule) {
-				delete(s.AllRules[sourcePath], indexPath)
-				if len(s.AllRules[sourcePath]) == 0 {
-					delete(s.AllRules, sourcePath)
-				}
-				touchedRule = true
-			}
-			if touchedRule {
-				touched = append(touched, RuleKey{Source: sourcePath, Path: indexPath})
+				s.deleteStoredRuleNL(sourcePath, indexPath)
 			}
+			touched = append(touched, key)
 		}
 	}
-	return touched
+	return touched, originals
+}
+
+func cloneAccessRule(rule *AccessRule) *AccessRule {
+	if rule == nil {
+		return nil
+	}
+	return &AccessRule{
+		DenyAll: rule.DenyAll,
+		Deny:    RuleSet{Users: cloneStringSet(rule.Deny.Users), Groups: cloneStringSet(rule.Deny.Groups)},
+		Allow:   RuleSet{Users: cloneStringSet(rule.Allow.Users), Groups: cloneStringSet(rule.Allow.Groups)},
+	}
 }
 
 // GetRulesForUser returns all rules for a specific user for a given sourcePath.
@@ -1320,7 +1480,7 @@ func (s *Storage) RemoveUserCascade(sourcePath string, indexPath utils.IndexPath
 	s.mux.Lock()
 	defer s.mux.Unlock()
 
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rulesBySource, ok := s.AllRules[sourcePath]
 	if !ok {
 		return 0, nil
@@ -1356,7 +1516,7 @@ func (s *Storage) RemoveUserCascade(sourcePath string, indexPath utils.IndexPath
 			// If rule is now empty, mark it for deletion
 			if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 &&
 				len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 && !rule.DenyAll {
-				delete(s.AllRules[sourcePath], rulePath)
+				s.deleteStoredRuleNL(sourcePath, rulePath)
 				pathChanged = true
 			}
 			if pathChanged {
@@ -1365,11 +1525,6 @@ func (s *Storage) RemoveUserCascade(sourcePath string, indexPath utils.IndexPath
 		}
 	}
 
-	// If no rules left for this source, remove the source entry
-	if len(s.AllRules[sourcePath]) == 0 {
-		delete(s.AllRules, sourcePath)
-	}
-
 	if changed {
 		s.clearAllCaches()
 		for rp := range touchedPaths {
@@ -1388,7 +1543,7 @@ func (s *Storage) RemoveGroupCascade(sourcePath string, indexPath utils.IndexPat
 	s.mux.Lock()
 	defer s.mux.Unlock()
 
-	normalizedPath := ruleKey(indexPath)
+	normalizedPath := s.ruleKeyForNL(sourcePath, indexPath)
 	rulesBySource, ok := s.AllRules[sourcePath]
 	if !ok {
 		return 0, nil
@@ -1424,7 +1579,7 @@ func (s *Storage) RemoveGroupCascade(sourcePath string, indexPath utils.IndexPat
 			// If rule is now empty, mark it for deletion
 			if len(rule.Allow.Users) == 0 && len(rule.Allow.Groups) == 0 &&
 				len(rule.Deny.Users) == 0 && len(rule.Deny.Groups) == 0 && !rule.DenyAll {
-				delete(s.AllRules[sourcePath], rulePath)
+				s.deleteStoredRuleNL(sourcePath, rulePath)
 				pathChanged = true
 			}
 			if pathChanged {
@@ -1433,11 +1588,6 @@ func (s *Storage) RemoveGroupCascade(sourcePath string, indexPath utils.IndexPat
 		}
 	}
 
-	// If no rules left for this source, remove the source entry
-	if len(s.AllRules[sourcePath]) == 0 {
-		delete(s.AllRules, sourcePath)
-	}
-
 	if changed {
 		s.clearAllCaches()
 		for rp := range touchedPaths {
@@ -1460,11 +1610,15 @@ func (s *Storage) UpdateRules(sourcePath string, oldPath, newPath utils.IndexPat
 		return 0, nil // No rules for this source, not an error
 	}
 
-	oldKey := ruleKey(oldPath)
-	newKey := ruleKey(newPath)
+	oldKey := s.ruleKeyForNL(sourcePath, oldPath)
+	newKey := s.ruleKeyForNL(sourcePath, newPath)
+	if oldKey == newKey {
+		return 0, nil
+	}
 
 	updated := 0
 	rulesToUpdate := make(map[string]string) // old path -> new path
+	movedRules := make(map[string]*AccessRule)
 
 	// Find all rules that need to be updated
 	for rulePath := range rulesBySource {
@@ -1476,11 +1630,20 @@ func (s *Storage) UpdateRules(sourcePath string, oldPath, newPath utils.IndexPat
 		}
 	}
 
-	// Update all matched rules
-	for oldRulePath, newRulePath := range rulesToUpdate {
-		rule := rulesBySource[oldRulePath]
+	// Remove all matched rules first so overlapping moves cannot clobber each other
+	for oldRulePath := range rulesToUpdate {
+		movedRules[oldRulePath] = rulesBySource[oldRulePath]
 		delete(rulesBySource, oldRulePath)
-		rulesBySource[newRulePath] = rule
+	}
+
+	// Insert or merge into target paths
+	for oldRulePath, newRulePath := range rulesToUpdate {
+		rule := movedRules[oldRulePath]
+		if existing, exists := rulesBySource[newRulePath]; exists {
+			mergeAccessRulesInPlace(existing, rule)
+		} else {
+			rulesBySource[newRulePath] = rule
+		}
 		logger.Info("access rule updated", "source", sourcePath, "fromPath", oldRulePath, "toPath", newRulePath)
 		updated++
 	}
@@ -1488,7 +1651,7 @@ func (s *Storage) UpdateRules(sourcePath string, oldPath, newPath utils.IndexPat
 	if updated > 0 {
 		s.clearAllCaches()
 		for oldRulePath := range rulesToUpdate {
-			if s.sqlStore != nil {
+			if s.sqlStore != nil && rulesBySource[oldRulePath] == nil {
 				_ = s.sqlStore.DeleteAccessRule(sourcePath, oldRulePath)
 			}
 		}
@@ -1505,8 +1668,8 @@ func (s *Storage) UpdateRulePath(sourcePath string, oldPath, newPath utils.Index
 	s.mux.Lock()
 	defer s.mux.Unlock()
 
-	oldKey := ruleKey(oldPath)
-	newKey := ruleKey(newPath)
+	oldKey := s.ruleKeyForNL(sourcePath, oldPath)
+	newKey := s.ruleKeyForNL(sourcePath, newPath)
 
 	rulesBySource, ok := s.AllRules[sourcePath]
 	if !ok {
@@ -1517,9 +1680,16 @@ func (s *Storage) UpdateRulePath(sourcePath string, oldPath, newPath utils.Index
 	if !ok {
 		return fmt.Errorf("no rule found for path: %s", oldKey)
 	}
+	if oldKey == newKey {
+		return nil
+	}
 
 	delete(rulesBySource, oldKey)
-	rulesBySource[newKey] = rule
+	if existing, exists := rulesBySource[newKey]; exists {
+		mergeAccessRulesInPlace(existing, rule)
+	} else {
+		rulesBySource[newKey] = rule
+	}
 	s.clearAllCaches()
 	if s.sqlStore != nil {
 		_ = s.sqlStore.DeleteAccessRule(sourcePath, oldKey)

backend/internal/database/access/group_persist_test.go

@@ -16,6 +16,11 @@ type stubGroupSQL struct {
 
 func (s *stubGroupSQL) SaveAccessRule(string, string, *access.AccessRule) error { return nil }
 func (s *stubGroupSQL) DeleteAccessRule(string, string) error                  { return nil }
+func (s *stubGroupSQL) AccessRulesLowercaseMigrated() (bool, error) { return false, nil }
+func (s *stubGroupSQL) SetAccessRulesLowercaseMigrated() error      { return nil }
+func (s *stubGroupSQL) MigrateAccessRulePathsLowercase(string, []string, access.RuleMap) error {
+	return nil
+}
 func (s *stubGroupSQL) SaveGroup(string, access.StringSet) error {
 	return s.saveErr
 }
@@ -43,6 +48,11 @@ type recordingGroupSQL struct {
 
 func (s *recordingGroupSQL) SaveAccessRule(string, string, *access.AccessRule) error { return nil }
 func (s *recordingGroupSQL) DeleteAccessRule(string, string) error                  { return nil }
+func (s *recordingGroupSQL) AccessRulesLowercaseMigrated() (bool, error) { return false, nil }
+func (s *recordingGroupSQL) SetAccessRulesLowercaseMigrated() error      { return nil }
+func (s *recordingGroupSQL) MigrateAccessRulePathsLowercase(string, []string, access.RuleMap) error {
+	return nil
+}
 func (s *recordingGroupSQL) SaveGroup(name string, members access.StringSet) error {
 	if s.groups == nil {
 		s.groups = make(map[string]access.StringSet)

backend/internal/database/access/groupnames.go

@@ -0,0 +1,79 @@
+package access
+
+import (
+	"fmt"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+)
+
+// MaxGroupNameLength bounds names for manually created groups. Existing names
+// (e.g. LDAP DNs synced from an IdP) may exceed it and are never rejected on read.
+const MaxGroupNameLength = 128
+
+// MinGroupNameLength bounds manually created group names. Existing records are
+// never rejected so legacy single-character names stay usable.
+const MinGroupNameLength = 2
+
+// NormalizeGroupName trims and validates a group name supplied by an admin API.
+// It is only used when manually creating or referencing a group; names that
+// already exist in the database are always accepted on read, list, edit and
+// delete paths so legacy records stay usable.
+func NormalizeGroupName(name string) (string, error) {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return "", fmt.Errorf("group name is required")
+	}
+	if utf8.RuneCountInString(name) < MinGroupNameLength && !isSingleLetterName(name) {
+		return "", fmt.Errorf("group name must be at least %d characters", MinGroupNameLength)
+	}
+	if utf8.RuneCountInString(name) > MaxGroupNameLength {
+		return "", fmt.Errorf("group name exceeds %d characters", MaxGroupNameLength)
+	}
+	for _, r := range name {
+		if unicode.IsControl(r) {
+			return "", fmt.Errorf("group name must not contain control characters")
+		}
+	}
+	return name, nil
+}
+
+// isSingleLetterName reports whether name is one non-ASCII letter (e.g. a CJK ideograph),
+// which is a meaningful group name on its own.
+func isSingleLetterName(name string) bool {
+	r, size := utf8.DecodeRuneInString(name)
+	return size == len(name) && r > unicode.MaxASCII && unicode.IsLetter(r)
+}
+
+// NormalizeMembers trims, dedupes and drops empty usernames while preserving order.
+func NormalizeMembers(usernames []string) []string {
+	seen := make(map[string]struct{}, len(usernames))
+	out := make([]string, 0, len(usernames))
+	for _, name := range usernames {
+		name = strings.TrimSpace(name)
+		if name == "" {
+			continue
+		}
+		if _, ok := seen[name]; ok {
+			continue
+		}
+		seen[name] = struct{}{}
+		out = append(out, name)
+	}
+	return out
+}
+
+// IsUsableSyncedGroupName reports whether a group name coming from an identity
+// provider can be stored. Only the minimum needed to keep rows usable is
+// rejected; everything else is kept so IdP naming conventions keep working.
+func IsUsableSyncedGroupName(name string) bool {
+	if strings.TrimSpace(name) == "" {
+		return false
+	}
+	for _, r := range name {
+		if unicode.IsControl(r) {
+			return false
+		}
+	}
+	return true
+}

backend/internal/database/access/groupnames_test.go

@@ -0,0 +1,115 @@
+package access_test
+
+import (
+	"testing"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/access"
+)
+
+func TestNormalizeGroupName(t *testing.T) {
+	for _, tc := range []struct {
+		name    string
+		in      string
+		want    string
+		wantErr bool
+	}{
+		{"trims", "  editors  ", "editors", false},
+		{"spaces inside", "cn=admins with spaces,ou=x", "cn=admins with spaces,ou=x", false},
+		{"empty", "", "", true},
+		{"blank", "   ", "", true},
+		{"newline", "a\nb", "", true},
+		{"too short", "a", "", true},
+		{"single wide char", "界", "界", false},
+		{"two chars", "ab", "ab", false},
+		{"single CJK char", "组", "组", false},
+		{"single non-letter non-ascii", "€", "", true},
+		{"too long", string(make([]byte, access.MaxGroupNameLength+1)), "", true},
+	} {
+		got, err := access.NormalizeGroupName(tc.in)
+		if tc.wantErr {
+			if err == nil {
+				t.Fatalf("%s: expected error, got %q", tc.name, got)
+			}
+			continue
+		}
+		if err != nil || got != tc.want {
+			t.Fatalf("%s: got %q, err=%v", tc.name, got, err)
+		}
+	}
+	// Long names of valid characters fail on length, not on content.
+	if _, err := access.NormalizeGroupName(string(make([]byte, access.MaxGroupNameLength+1))); err == nil {
+		t.Fatal("expected too-long name to fail")
+	}
+	if got := access.NormalizeMembers([]string{" a ", "b", "", "a", "  "}); len(got) != 2 || got[0] != "a" || got[1] != "b" {
+		t.Fatalf("unexpected members: %v", got)
+	}
+}
+
+func TestRemoveUserFromAllGroups(t *testing.T) {
+	setupTestSources()
+	s, _, sqlStore := createTestStorageWithSQL(t)
+
+	if err := s.SetGroupMembers("editors", []string{"alice", "bob"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.SetGroupMembers("staff", []string{"alice"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.RemoveUserFromAllGroups("alice"); err != nil {
+		t.Fatal(err)
+	}
+	if groups := s.GetUserGroups("alice"); len(groups) != 0 {
+		t.Fatalf("alice should be in no groups, got %v", groups)
+	}
+	if got := s.GetGroupMembers()["editors"]; len(got) != 1 || got[0] != "bob" {
+		t.Fatalf("expected [bob], got %v", got)
+	}
+	// The emptied group row still exists.
+	if _, ok := s.GetGroupMembers()["staff"]; !ok {
+		t.Fatal("empty group should remain")
+	}
+	sqlGroups, err := sqlStore.GetAllGroups()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, ok := sqlGroups["staff"]["alice"]; ok {
+		t.Fatal("alice should be removed from staff in SQL")
+	}
+	// Removing a user who is in no group is a no-op.
+	if err := s.RemoveUserFromAllGroups("nobody"); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestRenameUserInGroups(t *testing.T) {
+	setupTestSources()
+	s, _, sqlStore := createTestStorageWithSQL(t)
+
+	if err := s.SetGroupMembers("editors", []string{"alice", "bob"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.RenameUserInGroups("alice", "alicia"); err != nil {
+		t.Fatal(err)
+	}
+	got := s.GetGroupMembers()["editors"]
+	if len(got) != 2 || got[0] != "alicia" || got[1] != "bob" {
+		t.Fatalf("unexpected members: %v", got)
+	}
+	sqlGroups, err := sqlStore.GetAllGroups()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, ok := sqlGroups["editors"]["alicia"]; !ok {
+		t.Fatal("alicia should be persisted in SQL")
+	}
+	if _, ok := sqlGroups["editors"]["alice"]; ok {
+		t.Fatal("alice should be removed in SQL")
+	}
+	// Renaming a non-member or same name is a no-op.
+	if err := s.RenameUserInGroups("nobody", "other"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.RenameUserInGroups("alicia", "alicia"); err != nil {
+		t.Fatal(err)
+	}
+}

backend/internal/database/access/rule_keys.go

@@ -0,0 +1,192 @@
+package access
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/utils"
+	"github.com/gtsteffaniak/go-logger/logger"
+)
+
+// Access rules are stored and matched using lowercase path keys (strings.ToLower).
+
+// checkRulePathExists reports whether rulePath exists under sourcePath, matching
+// path segments case-insensitively when the exact path is not found on case-sensitive filesystems.
+func checkRulePathExists(sourcePath, rulePath string) bool {
+	if utils.CheckPathExists(filepath.Join(sourcePath, rulePath)) {
+		return true
+	}
+	rel := strings.Trim(strings.TrimSpace(rulePath), "/")
+	if rel == "" {
+		return utils.CheckPathExists(sourcePath)
+	}
+	current := sourcePath
+	for _, part := range strings.Split(rel, "/") {
+		if part == "" {
+			continue
+		}
+		candidate := filepath.Join(current, part)
+		if utils.CheckPathExists(candidate) {
+			current = candidate
+			continue
+		}
+		entries, err := os.ReadDir(current)
+		if err != nil {
+			return false
+		}
+		partLower := strings.ToLower(part)
+		matched := ""
+		for _, e := range entries {
+			if strings.ToLower(e.Name()) == partLower {
+				matched = e.Name()
+				break
+			}
+		}
+		if matched == "" {
+			return false
+		}
+		current = filepath.Join(current, matched)
+	}
+	return true
+}
+
+// ruleKeyForNL returns the storage key; caller must hold s.mux.
+func (s *Storage) ruleKeyForNL(_ string, indexPath utils.IndexPath) string {
+	return strings.ToLower(ruleKey(indexPath))
+}
+
+// ruleKeyFor returns the storage/lookup key for a rule path on this source.
+func (s *Storage) ruleKeyFor(sourcePath string, indexPath utils.IndexPath) string {
+	s.mux.RLock()
+	defer s.mux.RUnlock()
+	return s.ruleKeyForNL(sourcePath, indexPath)
+}
+
+func (s *Storage) checkPathForSourceNL(_ string, indexPath utils.IndexPath) utils.IndexPath {
+	p := checkPath(indexPath)
+	return utils.IndexPathFromNormalized(strings.ToLower(p.String()), p.IsDir)
+}
+
+// checkPathForSource normalizes an index path for permission checks on a source.
+func (s *Storage) checkPathForSource(sourcePath string, indexPath utils.IndexPath) utils.IndexPath {
+	s.mux.RLock()
+	defer s.mux.RUnlock()
+	return s.checkPathForSourceNL(sourcePath, indexPath)
+}
+
+// StartupMigrateAccessRuleKeys lowercases existing rule keys in memory and SQL,
+// merging colliding paths. Idempotent when keys are already lowercase.
+func (s *Storage) StartupMigrateAccessRuleKeys() error {
+	s.mux.Lock()
+	defer s.mux.Unlock()
+
+	for sourcePath := range s.AllRules {
+		if err := s.migrateSourceRulesLowercaseNL(sourcePath); err != nil {
+			return err
+		}
+	}
+	if s.sqlStore == nil {
+		return nil
+	}
+	migrated, err := s.sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil {
+		return err
+	}
+	if migrated {
+		return nil
+	}
+	return s.sqlStore.SetAccessRulesLowercaseMigrated()
+}
+
+func (s *Storage) migrateSourceRulesLowercaseNL(sourcePath string) error {
+	rulesBySource, ok := s.AllRules[sourcePath]
+	if !ok || len(rulesBySource) == 0 {
+		return nil
+	}
+
+	if !rulesNeedLowercaseMigration(rulesBySource) {
+		return nil
+	}
+
+	oldPaths := make([]string, 0, len(rulesBySource))
+	newRules := make(RuleMap)
+
+	for path, rule := range rulesBySource {
+		oldPaths = append(oldPaths, path)
+		lower := strings.ToLower(path)
+		if existing, exists := newRules[lower]; exists {
+			logger.Infof("access rules: merging colliding paths %q into %q on source %s", path, lower, sourcePath)
+			mergeAccessRulesInPlace(existing, rule)
+			continue
+		}
+		fresh := &AccessRule{}
+		mergeAccessRulesInPlace(fresh, rule)
+		newRules[lower] = fresh
+		if lower != path {
+			logger.Infof("access rules: migrated rule path %q -> %q on source %s", path, lower, sourcePath)
+		}
+	}
+
+	s.AllRules[sourcePath] = newRules
+
+	if s.sqlStore == nil {
+		return nil
+	}
+	return s.sqlStore.MigrateAccessRulePathsLowercase(sourcePath, oldPaths, newRules)
+}
+
+func rulesNeedLowercaseMigration(rules RuleMap) bool {
+	byLower := make(map[string]string)
+	for path := range rules {
+		lower := strings.ToLower(path)
+		if path != lower {
+			return true
+		}
+		if other, ok := byLower[lower]; ok && other != path {
+			return true
+		}
+		byLower[lower] = path
+	}
+	return false
+}
+
+func mergeAccessRulesInPlace(dst, src *AccessRule) {
+	if src == nil || dst == nil {
+		return
+	}
+	if src.DenyAll {
+		dst.DenyAll = true
+	}
+	if dst.Deny.Users == nil {
+		dst.Deny.Users = StringSet{}
+	}
+	if dst.Deny.Groups == nil {
+		dst.Deny.Groups = StringSet{}
+	}
+	if dst.Allow.Users == nil {
+		dst.Allow.Users = StringSet{}
+	}
+	if dst.Allow.Groups == nil {
+		dst.Allow.Groups = StringSet{}
+	}
+	for u := range src.Deny.Users {
+		dst.Deny.Users[u] = struct{}{}
+	}
+	for g := range src.Deny.Groups {
+		dst.Deny.Groups[g] = struct{}{}
+	}
+	for u := range src.Allow.Users {
+		dst.Allow.Users[u] = struct{}{}
+	}
+	for g := range src.Allow.Groups {
+		dst.Allow.Groups[g] = struct{}{}
+	}
+}
+
+func (s *Storage) deleteStoredRuleNL(sourcePath, rulePath string) {
+	delete(s.AllRules[sourcePath], rulePath)
+	if len(s.AllRules[sourcePath]) == 0 {
+		delete(s.AllRules, sourcePath)
+	}
+}

backend/internal/database/access/rule_keys_integration_test.go

@@ -0,0 +1,67 @@
+package access_test
+
+import (
+	"testing"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/access"
+)
+
+func TestStartupMigrationMergesCollidingRules(t *testing.T) {
+	store, userStore, sqlStore := createTestStorageWithSQL(t)
+	_ = store
+	_ = userStore
+
+	ruleA := &access.AccessRule{
+		Deny: access.RuleSet{Users: map[string]struct{}{"alice": {}}},
+	}
+	ruleB := &access.AccessRule{
+		Deny: access.RuleSet{Users: map[string]struct{}{"bob": {}}},
+	}
+	if err := sqlStore.SaveAccessRule("/src", "/Private/", ruleA); err != nil {
+		t.Fatal(err)
+	}
+	if err := sqlStore.SaveAccessRule("/src", "/private/", ruleB); err != nil {
+		t.Fatal(err)
+	}
+
+	s := access.NewStorage(nil)
+	rules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s.AllRules = rules
+	s.SetSQLStore(sqlStore)
+
+	if startErr := s.StartupMigrateAccessRuleKeys(); startErr != nil {
+		t.Fatal(startErr)
+	}
+	byPath, err := sqlStore.GetAccessRulesBySource("/src")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(byPath) != 1 {
+		t.Fatalf("expected one merged rule row, got %d", len(byPath))
+	}
+	merged := byPath["/private/"]
+	if merged == nil {
+		t.Fatal("expected merged rule at lowercase key")
+	}
+	if _, ok := merged.Deny.Users["alice"]; !ok {
+		t.Fatal("missing alice from merge")
+	}
+	if _, ok := merged.Deny.Users["bob"]; !ok {
+		t.Fatal("missing bob from merge")
+	}
+
+	migrated, err := sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil || !migrated {
+		t.Fatal("marker should be set after first migration")
+	}
+	byPath2, err := sqlStore.GetAccessRulesBySource("/src")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(byPath2) != 1 {
+		t.Fatal("rules should remain after marker is set without re-running migration")
+	}
+}

backend/internal/database/access/rule_keys_marker_test.go

@@ -0,0 +1,152 @@
+package access_test
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/database/access"
+)
+
+type migrateCallCounter struct {
+	access.SQLPersister
+	calls int
+}
+
+func (m *migrateCallCounter) MigrateAccessRulePathsLowercase(source string, oldPaths []string, newRules access.RuleMap) error {
+	m.calls++
+	return m.SQLPersister.MigrateAccessRulePathsLowercase(source, oldPaths, newRules)
+}
+
+type failAccessRuleMigratePersister struct {
+	access.SQLPersister
+}
+
+func (failAccessRuleMigratePersister) MigrateAccessRulePathsLowercase(string, []string, access.RuleMap) error {
+	return errors.New("simulated migration failure")
+}
+
+func TestFreshDBSetsAccessRulesLowercaseMarker(t *testing.T) {
+	s, _, sqlStore := createTestStorageWithSQL(t)
+	s.SetSQLStore(sqlStore)
+
+	if err := s.StartupMigrateAccessRuleKeys(); err != nil {
+		t.Fatal(err)
+	}
+	ok, err := sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !ok {
+		t.Fatal("expected migration marker on empty database")
+	}
+}
+
+func TestUpgradeMigratesAndSetsMarker(t *testing.T) {
+	_, _, sqlStore := createTestStorageWithSQL(t)
+
+	rule := &access.AccessRule{
+		Deny: access.RuleSet{Users: map[string]struct{}{"alice": {}}},
+	}
+	if err := sqlStore.SaveAccessRule("/src", "/Private/", rule); err != nil {
+		t.Fatal(err)
+	}
+
+	s := access.NewStorage(nil)
+	rules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s.AllRules = rules
+	counter := &migrateCallCounter{SQLPersister: sqlStore}
+	s.SetSQLStore(counter)
+
+	if err = s.StartupMigrateAccessRuleKeys(); err != nil {
+		t.Fatal(err)
+	}
+	if counter.calls != 1 {
+		t.Fatalf("expected one SQL migration, got %d", counter.calls)
+	}
+	ok, err := sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil || !ok {
+		t.Fatalf("marker should be set after upgrade, ok=%v err=%v", ok, err)
+	}
+	byPath, err := sqlStore.GetAccessRulesBySource("/src")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if byPath["/private/"] == nil {
+		t.Fatal("expected lowercased rule row")
+	}
+}
+
+func TestSecondStartupSkipsAccessRulesMigration(t *testing.T) {
+	_, _, sqlStore := createTestStorageWithSQL(t)
+	if err := sqlStore.SaveAccessRule("/src", "/Private/", &access.AccessRule{
+		Deny: access.RuleSet{Users: map[string]struct{}{"u": {}}},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	s := access.NewStorage(nil)
+	rules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s.AllRules = rules
+	counter := &migrateCallCounter{SQLPersister: sqlStore}
+	s.SetSQLStore(counter)
+
+	if err = s.StartupMigrateAccessRuleKeys(); err != nil {
+		t.Fatal(err)
+	}
+	if counter.calls != 1 {
+		t.Fatalf("first startup: expected 1 migrate call, got %d", counter.calls)
+	}
+
+	already, err := sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil || !already {
+		t.Fatal("marker should be set after first startup")
+	}
+
+	s2 := access.NewStorage(nil)
+	rules2, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s2.AllRules = rules2
+	s2.SetSQLStore(counter)
+	if err = s2.StartupMigrateAccessRuleKeys(); err != nil {
+		t.Fatal(err)
+	}
+	if counter.calls != 1 {
+		t.Fatalf("second startup must not invoke SQL migration, got %d calls", counter.calls)
+	}
+}
+
+func TestMigrationFailureDoesNotSetMarker(t *testing.T) {
+	_, _, sqlStore := createTestStorageWithSQL(t)
+	if err := sqlStore.SaveAccessRule("/src", "/Private/", &access.AccessRule{
+		Deny: access.RuleSet{Users: map[string]struct{}{"u": {}}},
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	s := access.NewStorage(nil)
+	rules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s.AllRules = rules
+	s.SetSQLStore(failAccessRuleMigratePersister{SQLPersister: sqlStore})
+
+	if err = s.StartupMigrateAccessRuleKeys(); err == nil {
+		t.Fatal("expected migration failure")
+	}
+	ok, err := sqlStore.AccessRulesLowercaseMigrated()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if ok {
+		t.Fatal("marker must not be set when migration fails")
+	}
+}

backend/internal/database/access/rule_keys_test.go

@@ -0,0 +1,211 @@
+package access
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/gtsteffaniak/filebrowser/backend/internal/utils"
+	"github.com/gtsteffaniak/filebrowser/backend/pkg/settings"
+)
+
+func TestPermittedDenyCaseVariant(t *testing.T) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	if err := s.DenyUser("/data", utils.IndexPathFromNormalized("/private/secret.txt", false), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	key := s.ruleKeyFor("/data", utils.IndexPathFromNormalized("/private/secret.txt", false))
+	if key != "/private/secret.txt/" {
+		t.Fatalf("stored key %q", key)
+	}
+	if s.Permitted("/data", utils.IndexPathFromNormalized("/PRIVATE/secret.txt", false), "alice") {
+		t.Fatal("case variant must hit deny rule")
+	}
+}
+
+func TestRemoveRuleByPathKeyCaseVariant(t *testing.T) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	if err := s.DenyUser("/data", utils.IndexPathFromNormalized("/private/x", false), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	s.RemoveRuleByPathKey("/data", "/PRIVATE/x/")
+	if !s.Permitted("/data", utils.IndexPathFromNormalized("/private/x", false), "alice") {
+		t.Fatal("rule should be removed when key casing differs")
+	}
+}
+
+func TestPermittedHotPathNoFilesystemAccess(t *testing.T) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	_ = s.DenyUser("/data", utils.IndexPathFromNormalized("/a/b", false), "u")
+	if !s.Permitted("/data", utils.IndexPathFromNormalized("/A/B", false), "other") {
+		t.Fatal("expected permitted for non-denied user")
+	}
+}
+
+func BenchmarkPermittedLowercaseNoFS(b *testing.B) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	_ = s.DenyUser("/data", utils.IndexPathFromNormalized("/x/y", false), "u")
+	path := utils.IndexPathFromNormalized("/X/Y", false)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		s.Permitted("/data", path, "bob")
+	}
+}
+
+func TestRulesNeedLowercaseMigration(t *testing.T) {
+	if rulesNeedLowercaseMigration(RuleMap{"/ok/": {}}) {
+		t.Fatal("already lowercase")
+	}
+	if !rulesNeedLowercaseMigration(RuleMap{"/Private/": {}}) {
+		t.Fatal("uppercase segment should need migration")
+	}
+	if !rulesNeedLowercaseMigration(RuleMap{"/Private/": {}, "/private/": {}}) {
+		t.Fatal("case collision should need migration")
+	}
+}
+
+func TestCheckRulePathExistsMixedCase(t *testing.T) {
+	root := t.TempDir()
+	mixedDir := filepath.Join(root, "MyFolder", "SubDir")
+	if err := os.MkdirAll(mixedDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	mixedFile := filepath.Join(mixedDir, "Readme.MD")
+	if err := os.WriteFile(mixedFile, []byte("ok"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				root: {Path: root, Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	if err := s.DenyUser(root, utils.IndexPathFromNormalized("/MyFolder/SubDir/Readme.MD", false), "alice"); err != nil {
+		t.Fatal(err)
+	}
+
+	all, err := s.GetAllRules(root)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rule, ok := all["/myfolder/subdir/readme.md/"]
+	if !ok {
+		t.Fatalf("expected lowercased rule key in GetAllRules, got %v", all)
+	}
+	if !rule.PathExists {
+		t.Fatal("expected PathExists=true for mixed-case path on disk")
+	}
+
+	feRule, ok := s.GetFrontendRules(root, utils.IndexPathFromNormalized("/myfolder/subdir/readme.md", false))
+	if !ok {
+		t.Fatal("expected rule from GetFrontendRules with lowercase query")
+	}
+	if !feRule.PathExists {
+		t.Fatal("expected PathExists=true in GetFrontendRules")
+	}
+
+	if checkRulePathExists(root, "/myfolder/subdir/nonexistent.txt/") {
+		t.Fatal("expected false for missing path")
+	}
+}
+
+func TestUpdateRulesAndUpdateRulePathCaseOnlyAndCollision(t *testing.T) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	if err := s.DenyUser("/data", utils.IndexPathFromNormalized("/MyFolder", true), "alice"); err != nil {
+		t.Fatal(err)
+	}
+
+	// Case-only rename is a no-op and preserves the rule.
+	updated, err := s.UpdateRules("/data", utils.IndexPathFromNormalized("/MyFolder", true), utils.IndexPathFromNormalized("/myfolder", true))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if updated != 0 {
+		t.Fatalf("expected 0 updated for case-only rename, got %d", updated)
+	}
+	if s.Permitted("/data", utils.IndexPathFromNormalized("/MyFolder", true), "alice") {
+		t.Fatal("rule should still deny alice after case-only rename")
+	}
+
+	if err := s.UpdateRulePath("/data", utils.IndexPathFromNormalized("/MyFolder", true), utils.IndexPathFromNormalized("/myfolder", true)); err != nil {
+		t.Fatal(err)
+	}
+	if s.Permitted("/data", utils.IndexPathFromNormalized("/myfolder", true), "alice") {
+		t.Fatal("rule should still deny alice after case-only UpdateRulePath")
+	}
+
+	// Colliding target rule merges entries instead of overwriting.
+	if err := s.DenyUser("/data", utils.IndexPathFromNormalized("/Archive", true), "bob"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.UpdateRulePath("/data", utils.IndexPathFromNormalized("/MyFolder", true), utils.IndexPathFromNormalized("/archive", true)); err != nil {
+		t.Fatal(err)
+	}
+	if s.Permitted("/data", utils.IndexPathFromNormalized("/archive", true), "alice") ||
+		s.Permitted("/data", utils.IndexPathFromNormalized("/archive", true), "bob") {
+		t.Fatal("expected merged rule at /archive/ to deny both alice and bob")
+	}
+}
+
+func TestRemoveAllowUserPreservesDenyAll(t *testing.T) {
+	settings.Config = settings.Settings{
+		Server: settings.Server{
+			SourceMap: map[string]*settings.Source{
+				"/data": {Path: "/data", Config: settings.SourceConfig{DenyByDefault: false}},
+			},
+		},
+	}
+	s := NewStorage(nil)
+	p := utils.IndexPathFromNormalized("/Secret", true)
+	if err := s.DenyAll("/data", p); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.AllowUser("/data", p, "alice"); err != nil {
+		t.Fatal(err)
+	}
+	removed, err := s.RemoveAllowUser("/data", p, "alice")
+	if err != nil || !removed {
+		t.Fatalf("RemoveAllowUser failed: removed=%v err=%v", removed, err)
+	}
+	if s.Permitted("/data", p, "bob") {
+		t.Fatal("DenyAll must remain active after removing the last allowed user")
+	}
+}

backend/internal/database/access/tokens_test.go

@@ -14,6 +14,11 @@ type failingRevokePersister struct{}
 
 func (failingRevokePersister) SaveAccessRule(string, string, *access.AccessRule) error { return nil }
 func (failingRevokePersister) DeleteAccessRule(string, string) error                   { return nil }
+func (failingRevokePersister) AccessRulesLowercaseMigrated() (bool, error) { return false, nil }
+func (failingRevokePersister) SetAccessRulesLowercaseMigrated() error      { return nil }
+func (failingRevokePersister) MigrateAccessRulePathsLowercase(string, []string, access.RuleMap) error {
+	return nil
+}
 func (failingRevokePersister) SaveGroup(string, access.StringSet) error                { return nil }
 func (failingRevokePersister) DeleteGroup(string) error                                { return nil }
 func (failingRevokePersister) DeleteGroupWithRules(string, []access.RuleUpsert, []access.RuleKey) error {

backend/internal/database/access/userrules_test.go

@@ -0,0 +1,129 @@
+package access_test
+
+import (
+	"slices"
+	"testing"
+)
+
+func TestRenameUserInRules(t *testing.T) {
+	setupTestSources()
+	s, _, sqlStore := createTestStorageWithSQL(t)
+	src := "test_source"
+
+	if err := s.AllowUser(src, idxPath("/allowed"), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.DenyUser(src, idxPath("/denied"), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.AllowUser(src, idxPath("/both"), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.DenyUser(src, idxPath("/both"), "alice"); err != nil {
+		t.Fatal(err)
+	}
+	// New name already listed on another path (set semantics: old entry removed, new unchanged).
+	if err := s.AllowUser(src, idxPath("/existing"), "alicia"); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := s.RenameUserInRules("alice", "alicia"); err != nil {
+		t.Fatal(err)
+	}
+
+	if rules := s.GetRulesForUser(src, "alice"); len(rules) != 0 {
+		t.Fatalf("expected no rules for old name alice, got %d", len(rules))
+	}
+	aliciaRules := s.GetRulesForUser(src, "alicia")
+	if len(aliciaRules) != 4 {
+		t.Fatalf("expected 4 paths for alicia, got %d", len(aliciaRules))
+	}
+	for _, path := range []string{"/allowed/", "/denied/", "/both/", "/existing/"} {
+		if _, ok := aliciaRules[path]; !ok {
+			t.Fatalf("missing rule at %q: %v", path, aliciaRules)
+		}
+	}
+
+	sqlRules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, rule := range sqlRules[src] {
+		if _, ok := rule.Allow.Users["alice"]; ok {
+			t.Fatal("alice should not appear in allow lists in SQL")
+		}
+		if _, ok := rule.Deny.Users["alice"]; ok {
+			t.Fatal("alice should not appear in deny lists in SQL")
+		}
+	}
+
+	if err := s.RenameUserInRules("nobody", "other"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.RenameUserInRules("alicia", "alicia"); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestRemoveAllRulesForUserOnDelete(t *testing.T) {
+	setupTestSources()
+	s, _, sqlStore := createTestStorageWithSQL(t)
+	src := "test_source"
+
+	if err := s.AllowUser(src, idxPath("/a"), "bob"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.DenyUser(src, idxPath("/b"), "bob"); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := s.RemoveAllRulesForUser("bob"); err != nil {
+		t.Fatal(err)
+	}
+	if rules := s.GetRulesForUser(src, "bob"); len(rules) != 0 {
+		t.Fatalf("expected no in-memory rules for bob, got %d", len(rules))
+	}
+	all, err := s.GetAllRules(src)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(all) != 0 {
+		t.Fatalf("expected no rules left on source, got %d", len(all))
+	}
+
+	sqlRules, err := sqlStore.GetAllAccessRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(sqlRules[src]) != 0 {
+		t.Fatalf("expected no SQL rules for source, got %v", sqlRules[src])
+	}
+}
+
+func TestRenameUserInRulesBothAllowAndDenySamePath(t *testing.T) {
+	setupTestSources()
+	s, _, _ := createTestStorageWithSQL(t)
+	src := "test_source"
+
+	if err := s.AllowUser(src, idxPath("/shared"), "old"); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.DenyUser(src, idxPath("/shared"), "old"); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := s.RenameUserInRules("old", "new"); err != nil {
+		t.Fatal(err)
+	}
+
+	rules, ok := s.GetFrontendRules(src, idxPath("/shared"))
+	if !ok {
+		t.Fatal("expected rule at /shared")
+	}
+	if !slices.Contains(rules.Allow.Users, "new") || slices.Contains(rules.Allow.Users, "old") {
+		t.Fatalf("allow users: %v", rules.Allow.Users)
+	}
+	if !slices.Contains(rules.Deny.Users, "new") || slices.Contains(rules.Deny.Users, "old") {
+		t.Fatalf("deny users: %v", rules.Deny.Users)
+	}
+}

backend/internal/database/activity/event_type.go

@@ -6,34 +6,35 @@ import "fmt"
 type EventType string
 
 const (
-	EventDownload      EventType = "download"
-	EventMove          EventType = "move"
-	EventCopy          EventType = "copy"
-	EventRename        EventType = "rename"
-	EventUpload        EventType = "upload"
-	EventDelete        EventType = "delete"
-	EventBulkDelete    EventType = "bulkDelete"
-	EventArchive       EventType = "archive"
-	EventUnarchive     EventType = "unarchive"
-	EventShareCreate   EventType = "shareCreate"
-	EventShareUpdate   EventType = "shareUpdate"
-	EventShareDelete   EventType = "shareDelete"
-	EventUserCreate    EventType = "userCreate"
-	EventUserUpdate    EventType = "userUpdate"
-	EventUserDelete    EventType = "userDelete"
-	EventAccessUpdate  EventType = "accessUpdate"
-	EventAccessCreate  EventType = "accessCreate"
-	EventAccessDelete  EventType = "accessDelete"
-	EventQuotaCreate   EventType = "quotaCreate"
-	EventQuotaUpdate   EventType = "quotaUpdate"
-	EventQuotaDelete   EventType = "quotaDelete"
-	EventLogin             EventType = "login"
-	EventLogout            EventType = "logout"
-	EventSignup            EventType = "signup"
-	EventPasskeyRegister   EventType = "passkeyRegister"
-	EventPasskeyDelete     EventType = "passkeyDelete"
-	EventTokenCreate       EventType = "tokenCreate"
-	EventTokenDelete       EventType = "tokenDelete"
+	EventDownload        EventType = "download"
+	EventMove            EventType = "move"
+	EventCopy            EventType = "copy"
+	EventRename          EventType = "rename"
+	EventUpload          EventType = "upload"
+	EventFileModify      EventType = "fileModify"
+	EventDelete          EventType = "delete"
+	EventBulkDelete      EventType = "bulkDelete"
+	EventArchive         EventType = "archive"
+	EventUnarchive       EventType = "unarchive"
+	EventShareCreate     EventType = "shareCreate"
+	EventShareUpdate     EventType = "shareUpdate"
+	EventShareDelete     EventType = "shareDelete"
+	EventUserCreate      EventType = "userCreate"
+	EventUserUpdate      EventType = "userUpdate"
+	EventUserDelete      EventType = "userDelete"
+	EventAccessUpdate    EventType = "accessUpdate"
+	EventAccessCreate    EventType = "accessCreate"
+	EventAccessDelete    EventType = "accessDelete"
+	EventQuotaCreate     EventType = "quotaCreate"
+	EventQuotaUpdate     EventType = "quotaUpdate"
+	EventQuotaDelete     EventType = "quotaDelete"
+	EventLogin           EventType = "login"
+	EventLogout          EventType = "logout"
+	EventSignup          EventType = "signup"
+	EventPasskeyRegister EventType = "passkeyRegister"
+	EventPasskeyDelete   EventType = "passkeyDelete"
+	EventTokenCreate     EventType = "tokenCreate"
+	EventTokenDelete     EventType = "tokenDelete"
 	EventDuplicateFinder EventType = "duplicateFinder"
 )
 
@@ -44,6 +45,7 @@ var AllEventTypes = []EventType{
 	EventCopy,
 	EventRename,
 	EventUpload,
+	EventFileModify,
 	EventDelete,
 	EventBulkDelete,
 	EventArchive,
@@ -77,6 +79,7 @@ var FileEventTypes = []EventType{
 	EventCopy,
 	EventRename,
 	EventUpload,
+	EventFileModify,
 	EventDelete,
 	EventBulkDelete,
 	EventArchive,
@@ -155,7 +158,7 @@ func intersectEventTypes(requested, allowed []EventType) []EventType {
 func (e EventType) Valid() bool {
 	switch e {
 	case EventDownload, EventMove, EventCopy, EventRename,
-		EventUpload, EventDelete, EventBulkDelete,
+		EventUpload, EventFileModify, EventDelete, EventBulkDelete,
 		EventArchive, EventUnarchive,
 		EventShareCreate, EventShareUpdate, EventShareDelete,
 		EventUserCreate, EventUserUpdate, EventUserDelete, EventAccessUpdate, EventAccessCreate, EventAccessDelete,