chore: update cosign

Nextcloud now prevents loading external entities by using libxml_set_external_entity_loader.

ref:
https://github.com/nextcloud/server/pull/39490
https://github.com/hoellen/docker-nextcloud/issues/42

.github/workflows/build.yml

@@ -3,9 +3,7 @@ name: build
 on:
   workflow_dispatch:
   push:
-    branches:
-      - master
-      - version-*
+    branches: [ version-26 ]
   schedule:
     # Build the image regularly (each Friday)
     - cron: '23 04 * * 5'
@@ -29,11 +27,8 @@ jobs:
 
       - name: Extract version for tags
         run: |
-          BRANCH="${GITHUB_REF#refs/heads/}"
-          VERSION=$(grep -oP '(?<=NEXTCLOUD_VERSION=).*' Dockerfile)
-          [ "$BRANCH" = "master" ] && echo "BRANCH_VERSION=latest" >> $GITHUB_ENV
-          echo "FULL_VERSION=${VERSION:0:7}" >> $GITHUB_ENV
-          echo "MAJOR_VERSION=${VERSION:0:2}" >> $GITHUB_ENV
+          echo "FULL_VERSION=$(grep -oP '(?<=NEXTCLOUD_VERSION=).*' Dockerfile | head -c6)" >> $GITHUB_ENV
+          echo "MAJOR_VERSION=$(grep -oP '(?<=NEXTCLOUD_VERSION=).*' Dockerfile | head -c2)" >> $GITHUB_ENV
 
       - name: Install cosign
         if: github.event_name != 'pull_request'
@@ -58,32 +53,15 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            ${{ env.BRANCH_VERSION }}
             ${{ env.FULL_VERSION }}
             ${{ env.MAJOR_VERSION }}
 
-      - name: Build and export Docker image to Docker
-        id: build
-        uses: docker/build-push-action@v2
-        with:
-          load: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:testing
-          context: .
-
-      - name: Test Docker image
-        id: test
-        run: |
-          docker run -d -p 8888:8888 --name nextcloud --rm ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:testing && \
-          docker exec nextcloud occ status && \
-          nc -z localhost 8888
-
-      - name: Push Docker image
-        id: push
-        if: github.event_name != 'pull_request'
+      - name: Build and push Docker image
+        id: build-and-push
         uses: docker/build-push-action@v2
         with:
           context: .
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
@@ -91,4 +69,4 @@ jobs:
         if: ${{ github.event_name != 'pull_request' }}
         env:
           COSIGN_EXPERIMENTAL: "true"
-        run: cosign sign --yes ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.push.outputs.digest }}
+        run: cosign sign --yes ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build-and-push.outputs.digest }}

.github/workflows/scan.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   build:
     name: Scan current image & report results
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     steps:
       - name: Checkout code
         uses: actions/checkout@v2

Dockerfile

@@ -1,24 +1,24 @@
 # -------------- Build-time variables --------------
-ARG NEXTCLOUD_VERSION=32.0.3
-ARG PHP_VERSION=8.3
-ARG NGINX_VERSION=1.28
+ARG NEXTCLOUD_VERSION=26.0.13
+ARG PHP_VERSION=8.1
+ARG NGINX_VERSION=1.24
 
-ARG ALPINE_VERSION=3.21
+ARG ALPINE_VERSION=3.17
 ARG HARDENED_MALLOC_VERSION=11
-ARG SNUFFLEUPAGUS_VERSION=0.10.0
+ARG SNUFFLEUPAGUS_VERSION=0.9.0
 
 ARG UID=1000
 ARG GID=1000
 
-# nextcloud-32.0.3.tar.bz2
-ARG SHA256_SUM="9b71ac96c910b4a350d986bd3a92ea06f02a161fa586334b56d87d8acafc62d4"
+# nextcloud-26.0.13.tar.bz2
+ARG SHA256_SUM="0a362df7a1233348f99d1853fd7e79f0667b552c145dc45012fab54ac31c79ae"
 
 # Nextcloud Security <security@nextcloud.com> (D75899B9A724937A)
 ARG GPG_FINGERPRINT="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"
 # ---------------------------------------------------
 
 ### Build PHP base
-FROM docker.io/library/php:${PHP_VERSION}-fpm-alpine${ALPINE_VERSION} AS base
+FROM php:${PHP_VERSION}-fpm-alpine${ALPINE_VERSION} as base
 
 ARG SNUFFLEUPAGUS_VERSION
 
@@ -43,7 +43,6 @@ RUN apk -U upgrade \
         gmp \
         icu \
         libjpeg-turbo \
-        librsvg \
         libpq \
         libpq \
         libwebp \
@@ -59,7 +58,6 @@ RUN apk -U upgrade \
         bcmath \
         exif \
         gd \
-        bz2 \
         intl \
         ldap \
         opcache \
@@ -85,7 +83,7 @@ RUN apk -U upgrade \
 
 ### Build Hardened Malloc
 ARG ALPINE_VERSION
-FROM docker.io/library/alpine:${ALPINE_VERSION} AS build-malloc
+FROM alpine:${ALPINE_VERSION} as build-malloc
 
 ARG HARDENED_MALLOC_VERSION
 ARG CONFIG_NATIVE=false
@@ -99,11 +97,11 @@ RUN apk --no-cache add build-base git gnupg && cd /tmp \
 
 
 ### Fetch nginx
-FROM docker.io/library/nginx:${NGINX_VERSION}-alpine AS nginx
+FROM nginx:${NGINX_VERSION}-alpine as nginx
 
 
 ### Build Nextcloud (production environemnt)
-FROM base AS nextcloud
+FROM base as nextcloud
 
 COPY --from=nginx /usr/sbin/nginx /usr/sbin/nginx
 COPY --from=nginx /etc/nginx /etc/nginx

README.md

@@ -58,8 +58,8 @@ Verifying the signature isn't a requirement, and might not be as seamless as usi
 ## Tags
 
 - `latest` : latest Nextcloud version
-- `x` : latest Nextcloud x.x (e.g. `32`)
-- `x.x.x` : Nextcloud x.x.x (e.g. `32.0.0`)
+- `x` : latest Nextcloud x.x (e.g. `25`)
+- `x.x.x` : Nextcloud x.x.x (e.g. `25.0.0`)
 
 You can always have a glance [here](https://github.com/users/hoellen/packages/container/package/nextcloud).
 Only the **latest stable version** will be maintained by myself.

SECURITY.md

@@ -2,25 +2,17 @@
 
 ## Supported versions
 
-All versions of the Nextcloud community version which still receive updates will be supported
+All versions of the Nextcloud community version which still receive updates will be supported 
 and will receive the minor version updates and security patches.
 
-| Version | Supported                     |
-| ------- | ----------------------------- |
-| 32. x   | :white_check_mark:            |
-| 31. x   | :white_check_mark:            |
-| 30. x   | :negative_squared_cross_mark: |
-| 29. x   | :negative_squared_cross_mark: |
-| 28. x   | :negative_squared_cross_mark: |
-| 27. x   | :negative_squared_cross_mark: |
-| 26. x   | :negative_squared_cross_mark: |
-| 25. x   | :negative_squared_cross_mark: |
-| 24. x   | :negative_squared_cross_mark: |
+| Version | Supported          |
+| ------- | ------------------ |
+| 25. x   | :white_check_mark: |
+| 24. x   | :white_check_mark: |
 | 23. x   | :negative_squared_cross_mark: |
 | 22. x   | :negative_squared_cross_mark: |
 
 Please update to the latest version available. Major migrations are always tested before being pushed.
-An up-to-date list of the currently maintained Nextcloud versions can also be found in the [Nextcloud Repository Wiki](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule).
 
 ## Automated vulnerability scanning
 
@@ -28,10 +20,9 @@ Uploaded images are regularly scanned for [OS vulnerabilities](https://github.co
 
 ## Reporting a vulnerability
 
-_Upstream_ vulnerabilities should be reported to _upstream_ projects according to their own security policies.
+*Upstream* vulnerabilities should be reported to *upstream* projects according to their own security policies.
 
 Regarding vulnerabilities specific to this project:
-
 - Faulty configuration files
 - Unsafe defaults
 - Dependencies security updates

rootfs/etc/nginx/conf.d/default.conf

@@ -18,6 +18,7 @@ server {
 
         add_header Referrer-Policy "no-referrer" always;
         add_header X-Content-Type-Options "nosniff" always;
+        add_header X-Download-Options "noopen" always;
         add_header X-Frame-Options "SAMEORIGIN" always;
         add_header X-Permitted-Cross-Domain-Policies "none" always;
         add_header X-Robots-Tag "noindex, nofollow" always;
@@ -30,8 +31,8 @@ server {
         }
 
         location ^~ /.well-known {
-            location = /.well-known/carddav   { return 301 $nc_proto://$host/remote.php/dav/; }
-            location = /.well-known/caldav    { return 301 $nc_proto://$host/remote.php/dav/; }
+            location = /.well-known/carddav   { return 301 $nc_proto://$host/remote.php/dav; }
+            location = /.well-known/caldav    { return 301 $nc_proto://$host/remote.php/dav; }
             location ^~ /.well-known          { return 301 $nc_proto://$host/index.php$uri;  }
             try_files $uri $uri/ =404;
         }
@@ -48,7 +49,7 @@ server {
             return 404;
         }
 
-        location ~ ^\/(?:index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|ocs-provider\/.+|.+\/richdocumentscode\/proxy)\.php(?:$|\/) {
+        location ~ ^\/(?:index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+)\.php(?:$|\/) {
             include /etc/nginx/fastcgi_params;
             fastcgi_split_path_info ^(.+\.php)(/.*)$;
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
@@ -61,24 +62,24 @@ server {
             fastcgi_read_timeout 1200;
         }
 
-        location ~ ^\/(?:updater|ocs-provider)(?:$|\/) {
+        location ~ ^\/(?:updater|oc[ms]-provider)(?:$|\/) {
             try_files $uri/ =404;
             index index.php;
         }
 
-        location ~ \.(?:css|js|mjs|svg|gif|png|jpg|ico|wasm|tflite|map|ogg|flac)$ {
+        location ~ \.(?:css|js|svg|gif|map)$ {
             try_files $uri /index.php$uri$is_args$args;
             expires 6M;
             access_log off;
         }
 
-        location ~ \.(otf|woff2)?$ {
+        location ~ \.woff2?$ {
             try_files $uri /index.php$uri$is_args$args;
             expires 7d;
             access_log off;
         }
 
-        location ~ \.(?:png|html|ttf|ico|jpg|jpeg|bcmap|mp4|webm)$ {
+        location ~ \.(?:png|html|ttf|ico|jpg|jpeg|bcmap)$ {
             try_files $uri /index.php$uri$is_args$args;
             access_log off;
         }

rootfs/etc/nginx/nginx.conf

@@ -9,11 +9,6 @@ events {
 
 http {
     include /etc/nginx/mime.types;
-    # Add .mjs as a file extension for javascript
-    # https://github.com/nextcloud/server/pull/36057
-    types {
-        application/javascript mjs;
-    }
     default_type  application/octet-stream;
 
     access_log /nginx/logs/access.log combined;

rootfs/usr/local/bin/run.sh

@@ -15,16 +15,6 @@ if [ "$PHP_HARDENING" == "true" ] && [ ! -f /usr/local/etc/php/conf.d/snuffleupa
     cp /usr/local/etc/php/snuffleupagus/* /usr/local/etc/php/conf.d
 fi
 
-# Check if database is available
-if [ -n "${DB_TYPE}" ] && [ "${DB_TYPE}" != "sqlite3" ]; then
-  DB_PORT=${DB_PORT:-$( [ "${DB_TYPE}" = "pgsql" ] && echo 5432 || echo 3306 )}
-  until nc -z "${DB_HOST:-nextcloud-db}" "${DB_PORT}"
-  do
-    echo "waiting for the database container..."
-    sleep 1
-  done
-fi
-
 # If new install, run setup
 if [ ! -f /nextcloud/config/config.php ]; then
     touch /nextcloud/config/CAN_INSTALL
@@ -34,4 +24,4 @@ else
 fi
 
 # Run processes
-exec /usr/bin/s6-svscan /etc/s6.d
+exec /bin/s6-svscan /etc/s6.d

rootfs/usr/local/bin/setup.sh

@@ -55,6 +55,14 @@ cat >> /nextcloud/config/autoconfig.php <<EOF;
 ?>
 EOF
 
+if [ ${DB_TYPE} != "sqlite3" ]; then
+  until nc -z "${DB_HOST:-nextcloud-db}" "${DB_PORT:-3306}"
+  do
+    echo "waiting for the database container..."
+    sleep 1
+  done
+fi
+
 echo "Starting automatic configuration..."
 # Execute setup
 (cd /nextcloud; php index.php &>/dev/null)

rootfs/usr/local/etc/php/snuffleupagus/nextcloud-php8.rules

@@ -47,10 +47,6 @@ sp.disable_function.function("ini_get").param("option").value("open_basedir").fi
 sp.disable_function.function("ini_get").param("option").value("allow_url_fopen").filename("/nextcloud/3rdparty/guzzlehttp/guzzle/src/Utils.php").allow();
 sp.disable_function.function("exec").param("command").value("apachectl -M | grep mpm").filename("/nextcloud/apps2/spreed/lib/Settings/Admin/AdminSettings.php").allow();
 
-# Nextcloud inherently enables XXE-Protection since 27.0.1, therefore, drop setting a new external entity loader
-sp.disable_function.function("libxml_set_external_entity_loader").filename("/nextcloud/lib/base.php").allow(); 
-sp.disable_function.function("libxml_set_external_entity_loader").drop(); 
-
 # Harden the `chmod` function (0777 (oct = 511, 0666 = 438)
 sp.disable_function.function("chmod").param("permissions").value("438").drop();
 sp.disable_function.function("chmod").param("permissions").value("511").drop();