# Estreka Ratsaklubi - Apache Server Configuration
# Alamkausta konfiguratsioon: /public_html/ratsaklubi.estreka/

# =======================
# ALAMKAUSTA KONFIGURATSIOON
# =======================

RewriteEngine On
RewriteBase /ratsaklubi.estreka/

# =======================
# BASIC SECURITY SETTINGS
# =======================

# Remove server signature
ServerSignature Off

# Disable server information
Header unset Server
Header always unset X-Powered-By

# Prevent access to sensitive files
<FilesMatch "^\.">
    Require all denied
</FilesMatch>

<FilesMatch "\.(txt|md|log|ini|json)$">
    Require all denied
</FilesMatch>

# Protect database files
<FilesMatch "\.(db|sqlite|sqlite3)$">
    Require all denied
</FilesMatch>

# Protect PHP configuration files
<FilesMatch "^(config|includes)">
    <FilesMatch "\.php$">
        Require all granted
    </FilesMatch>
    <FilesMatch "\.(?!php$)">
        Require all denied
    </FilesMatch>
</FilesMatch>

# =======================
# URL REWRITING
# =======================

# Remove trailing slashes (välja arvatud kataloogid)
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)/$ /ratsaklubi.estreka/$1 [R=301,L]

# Add trailing slash to directories
RewriteCond %{REQUEST_FILENAME} -d
RewriteCond %{REQUEST_URI} !/$
RewriteRule ^(.*)$ $1/ [R=301,L]

# Clean URLs for public pages
RewriteRule ^rankings/?$ public/rankings.php [L]
RewriteRule ^results/?$ public/results.php [L]
RewriteRule ^statistics/?$ public/stats.php [L]
RewriteRule ^stats/?$ public/stats.php [L]

# PHP failid ilma laiendita (valikuline)
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^([^\.]+)$ $1.php [NC,L]

# =======================
# CACHING HEADERS
# =======================

<IfModule mod_expires.c>
    ExpiresActive On
    
    # CSS and JavaScript
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType application/x-javascript "access plus 1 month"
    
    # Images
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/svg+xml "access plus 1 month"
    ExpiresByType image/x-icon "access plus 1 year"
    
    # Fonts
    ExpiresByType font/woff "access plus 1 year"
    ExpiresByType font/woff2 "access plus 1 year"
    ExpiresByType application/font-woff "access plus 1 year"
    ExpiresByType application/font-woff2 "access plus 1 year"
    
    # HTML pages
    ExpiresByType text/html "access plus 1 hour"
    
    # PHP files should not be cached
    <FilesMatch "\.php$">
        ExpiresActive Off
        Header unset Expires
        Header unset Cache-Control
        Header unset Last-Modified
        FileETag None
        Header unset ETag
    </FilesMatch>
</IfModule>

# =======================
# COMPRESSION
# =======================

<IfModule mod_deflate.c>
    # Compress HTML, CSS, JavaScript, Text, XML and fonts
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
    AddOutputFilterByType DEFLATE application/x-font
    AddOutputFilterByType DEFLATE application/x-font-opentype
    AddOutputFilterByType DEFLATE application/x-font-otf
    AddOutputFilterByType DEFLATE application/x-font-truetype
    AddOutputFilterByType DEFLATE application/x-font-ttf
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE font/opentype
    AddOutputFilterByType DEFLATE font/otf
    AddOutputFilterByType DEFLATE font/ttf
    AddOutputFilterByType DEFLATE image/svg+xml
    AddOutputFilterByType DEFLATE image/x-icon
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/xml
    
    # Remove browser bugs (only needed for ancient browsers)
    BrowserMatch ^Mozilla/4 gzip-only-text/html
    BrowserMatch ^Mozilla/4\.0[678] no-gzip
    BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
    Header append Vary User-Agent
</IfModule>

# =======================
# SECURITY HEADERS
# =======================

<IfModule mod_headers.c>
    # Prevent MIME type sniffing
    Header always set X-Content-Type-Options nosniff
    
    # Prevent clickjacking
    Header always set X-Frame-Options DENY
    
    # Enable XSS filtering
    Header always set X-XSS-Protection "1; mode=block"
    
    # Referrer Policy
    Header always set Referrer-Policy "strict-origin-when-cross-origin"
    
    # Content Security Policy (CSP) - alamkausta jaoks kohandatud
    Header always set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' cdnjs.cloudflare.com; style-src 'self' 'unsafe-inline' fonts.googleapis.com cdnjs.cloudflare.com; font-src 'self' fonts.gstatic.com cdnjs.cloudflare.com; img-src 'self' data:; connect-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'"
    
    # Strict Transport Security (HTTPS only - enable only if using HTTPS)
    # Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
</IfModule>

# =======================
# PHP SECURITY SETTINGS
# =======================

<IfModule mod_php.c>
    php_flag display_errors Off
    php_flag log_errors On
    php_flag register_globals Off
    php_flag allow_url_fopen Off
    php_flag allow_url_include Off
    php_value max_execution_time 30
    php_value max_input_time 30
    php_value memory_limit 128M
    php_value post_max_size 8M
    php_value upload_max_filesize 2M
    php_value max_file_uploads 20
    php_value session.cookie_httponly 1
    php_value session.cookie_secure 0
    php_value session.use_only_cookies 1
    php_value session.cookie_path "/ratsaklubi.estreka/"
</IfModule>

# =======================
# ERROR PAGES
# =======================

# Custom error pages (alamkausta jaoks)
ErrorDocument 403 /ratsaklubi.estreka/error.php?code=403
ErrorDocument 404 /ratsaklubi.estreka/error.php?code=404
ErrorDocument 500 /ratsaklubi.estreka/error.php?code=500

# =======================
# PERFORMANCE OPTIMIZATION
# =======================

# Enable Keep-Alive
<IfModule mod_headers.c>
    Header set Connection keep-alive
</IfModule>

# Optimize file access
<IfModule mod_negotiation.c>
    Options -MultiViews
</IfModule>

# Directory browsing
Options -Indexes

# Follow symbolic links
Options +FollowSymLinks

# =======================
# DEVELOPMENT SETTINGS
# =======================

# Development environment detection
<IfModule mod_rewrite.c>
    RewriteCond %{HTTP_HOST} ^localhost [NC,OR]
    RewriteCond %{HTTP_HOST} ^127\.0\.0\.1 [NC,OR]
    RewriteCond %{HTTP_HOST} \.local$ [NC]
    RewriteRule ^(.*)$ - [E=ENVIRONMENT:development]
</IfModule>

# =======================
# MIME TYPES
# =======================

<IfModule mod_mime.c>
    # Web fonts
    AddType application/font-woff woff
    AddType application/font-woff2 woff2
    AddType application/vnd.ms-fontobject eot
    AddType application/x-font-ttf ttf
    AddType font/opentype otf
    
    # SVG
    AddType image/svg+xml svg svgz
    
    # JavaScript
    AddType application/javascript js
    AddType application/json json
    
    # CSS
    AddType text/css css
    
    # Web manifest
    AddType application/manifest+json webmanifest
</IfModule>

# =======================
# FORCE HTTPS (uncomment if using SSL)
# =======================

# RewriteCond %{HTTPS} off
# RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

# =======================
# WWW REDIRECT (choose one)
# =======================

# Force www
# RewriteCond %{HTTP_HOST} !^www\. [NC]
# RewriteRule ^(.*)$ https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

# Force non-www
# RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
# RewriteRule ^(.*)$ https://%1%{REQUEST_URI} [L,R=301]

# =======================
# ADDITIONAL SECURITY
# =======================

# Prevent access to version control directories
<DirectoryMatch "\.git">
    Require all denied
</DirectoryMatch>

# Prevent access to composer files
<FilesMatch "^composer\.(json|lock)$">
    Require all denied
</FilesMatch>

# Prevent access to package.json and node_modules
<FilesMatch "^package\.json$">
    Require all denied
</FilesMatch>

<DirectoryMatch "node_modules">
    Require all denied
</DirectoryMatch>

# Limit request size (helps prevent DoS attacks)
LimitRequestBody 10485760  # 10MB

# =======================
# DATA DIRECTORY PROTECTION
# =======================

# Keela ligipääs data kataloogile
<Directory "data">
    Require all denied
</Directory>

# Alternative data directory protection
RewriteRule ^data/ - [F,L]

# =======================
# SESSION CONFIGURATION
# =======================

<IfModule mod_php.c>
    # Session configuration for subdirectory
    php_value session.name "RATSAKLUBI_SESS"
    php_value session.cookie_path "/ratsaklubi.estreka/"
    php_value session.save_path "tmp"
</IfModule>

# =======================
# END OF CONFIGURATION
# =======================