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# syntax=docker/dockerfile:1.4

#############################
# Source Stage – copy your FileRise app
#############################
FROM ubuntu:24.04 AS appsource
RUN apt-get update && \
    apt-get install -y --no-install-recommends ca-certificates && \
    rm -rf /var/lib/apt/lists/*  # clean up apt cache

RUN mkdir -p /var/www && rm -f /var/www/html/index.html
COPY . /var/www

#############################
# Composer Stage – install PHP dependencies
#############################
FROM composer:2 AS composer
WORKDIR /app
COPY --from=appsource /var/www/composer.json /var/www/composer.lock ./
RUN composer install --no-dev --optimize-autoloader  # production-ready autoloader

#############################
# Final Stage – runtime image
#############################
FROM ubuntu:24.04
LABEL by=error311

# No baked-in PERSISTENT_TOKENS_KEY default is shipped in the image.
# Pristine installs generate and persist one at runtime in /var/www/metadata.
ENV DEBIAN_FRONTEND=noninteractive \
    HOME=/root \
    LC_ALL=C.UTF-8 LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 TERM=xterm \
    UPLOAD_MAX_FILESIZE=5G POST_MAX_SIZE=5G TOTAL_UPLOAD_SIZE=5G \
    PUID=99 PGID=100

ARG INSTALL_FFMPEG=0
ARG INSTALL_CLAMAV=1
ARG INSTALL_7ZIP=1
ARG INSTALL_UNAR=1
ARG INSTALL_SMBCLIENT=1
ARG INSTALL_POPPLER=1

# Install Apache, PHP, and required extensions
RUN if [ -f /etc/apt/sources.list.d/ubuntu.sources ]; then \
        sed -i 's/^Components: .*/Components: main universe/' /etc/apt/sources.list.d/ubuntu.sources; \
    fi && \
    apt-get update && \
    set -eux; \
    extra_pkgs=""; \
    if [ "${INSTALL_FFMPEG}" = "1" ]; then extra_pkgs="${extra_pkgs} ffmpeg"; fi; \
    if [ "${INSTALL_CLAMAV}" = "1" ]; then extra_pkgs="${extra_pkgs} clamav clamav-freshclam"; fi; \
    if [ "${INSTALL_7ZIP}" = "1" ]; then extra_pkgs="${extra_pkgs} 7zip"; fi; \
    if [ "${INSTALL_UNAR}" = "1" ]; then extra_pkgs="${extra_pkgs} unar"; fi; \
    if [ "${INSTALL_SMBCLIENT}" = "1" ]; then extra_pkgs="${extra_pkgs} smbclient"; fi; \
    if [ "${INSTALL_POPPLER}" = "1" ]; then extra_pkgs="${extra_pkgs} poppler-utils"; fi; \
    apt-get install -y --no-install-recommends \
      apache2 \
      php php-json php-curl php-zip php-mbstring php-gd php-xml \
      ca-certificates curl openssl gnupg \
      ${extra_pkgs} \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# Remap www-data to the PUID/PGID provided for safe bind mounts
RUN set -eux; \
    if [ "$(id -u www-data)" != "${PUID}" ]; then usermod -u "${PUID}" www-data; fi; \
    if [ "$(id -g www-data)" != "${PGID}" ]; then groupmod -g "${PGID}" www-data 2>/dev/null || true; fi; \
    usermod -g "${PGID}" www-data

# Copy config, code, and vendor
COPY custom-php.ini /etc/php/8.3/apache2/conf.d/99-app-tuning.ini
COPY --from=appsource /var/www /var/www
COPY --from=composer /app/vendor /var/www/vendor

# ── ensure config/ is writable by www-data so sed -i can work ──
RUN mkdir -p /var/www/config \
    && chown -R www-data:www-data /var/www/config \
    && chmod 750 /var/www/config

# Secure permissions: code read-only, only data dirs writable
RUN chown -R root:www-data /var/www && \
    find /var/www -type d -exec chmod 755 {} \; && \
    find /var/www -type f -exec chmod 644 {} \; && \
    mkdir -p /var/www/public/uploads /var/www/users /var/www/metadata && \
    chown -R www-data:www-data /var/www/public/uploads /var/www/users /var/www/metadata && \
    chmod -R 775 /var/www/public/uploads /var/www/users /var/www/metadata  # writable upload areas

# Apache site configuration
RUN cat <<'EOF' > /etc/apache2/sites-available/000-default.conf
<VirtualHost *:80>
    # Global settings
    TraceEnable off
    KeepAlive On
    MaxKeepAliveRequests 100
    KeepAliveTimeout 5
    Timeout 60

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/public

    # Security headers for all responses
    <IfModule mod_headers.c>
      Header always set X-Frame-Options "SAMEORIGIN"
      Header always set X-Content-Type-Options "nosniff"
      Header always set X-XSS-Protection "1; mode=block"
      Header always set Referrer-Policy "strict-origin-when-cross-origin"
      Header always set Content-Security-Policy "default-src 'self'; script-src 'self' https://cdnjs.cloudflare.com https://cdn.jsdelivr.net https://stackpath.bootstrapcdn.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com https://cdn.jsdelivr.net https://stackpath.bootstrapcdn.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: blob:; connect-src 'self'; frame-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self';"
    </IfModule>

    # Compression
    <IfModule mod_deflate.c>
      AddOutputFilterByType DEFLATE text/html text/plain text/css application/javascript application/json
    </IfModule>

    # Cache static assets
    <IfModule mod_expires.c>
      ExpiresActive on
      ExpiresByType image/jpeg      "access plus 1 month"
      ExpiresByType image/png       "access plus 1 month"
      ExpiresByType text/css        "access plus 1 week"
      ExpiresByType application/javascript "access plus 3 hour"
    </IfModule>

    # Block direct access to uploads/users/metadata (data must go through the API)
    <LocationMatch "^/(uploads|users|metadata)(?:/|$)">
        Require all denied
    </LocationMatch>

    # Public directory
    <Directory "/var/www/public">
        AllowOverride All
        Require all granted
        DirectoryIndex index.html index.php
    </Directory>

    # Deny access to hidden files
    <FilesMatch "^\.">
      Require all denied
    </FilesMatch>
    
    <Files "api.php">
    Header always set Content-Security-Policy "default-src 'self'; script-src 'self' https://cdn.redoc.ly; style-src 'self' 'unsafe-inline'; worker-src 'self' https://cdn.redoc.ly blob:; connect-src 'self'; img-src 'self' data: blob:; frame-ancestors 'self'; base-uri 'self'; form-action 'self';"
    </Files>

    ErrorLog /var/www/metadata/log/error.log
    CustomLog /var/www/metadata/log/access.log combined
</VirtualHost>
EOF

# Enable required modules
RUN a2enmod rewrite headers proxy proxy_fcgi expires deflate ssl

EXPOSE 80 443
COPY start.sh /usr/local/bin/start.sh
RUN chmod +x /usr/local/bin/start.sh

CMD ["/usr/local/bin/start.sh"]