Options -Indexes

# ---- HTTPS + non-www canonical redirect ----
<IfModule mod_rewrite.c>
  RewriteEngine On

  # HTTPS redirect (skip local dev so http://localhost works)
  RewriteCond %{HTTPS} off
  RewriteCond %{HTTP_HOST} !^localhost [NC]
  RewriteCond %{HTTP_HOST} !^127\.0\.0\.1 [NC]
  RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

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

# ---- Security headers ----
<IfModule mod_headers.c>
  Header always set X-Content-Type-Options "nosniff"
  Header always set X-Frame-Options "SAMEORIGIN"
  Header always set X-XSS-Protection "1; mode=block"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
  Header always set Permissions-Policy "geolocation=(), microphone=(), camera=()"
  Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
</IfModule>

# ---- Gzip compression ----
<IfModule mod_deflate.c>
  AddOutputFilterByType DEFLATE text/html text/plain text/css text/javascript
  AddOutputFilterByType DEFLATE application/javascript application/json application/xml
  AddOutputFilterByType DEFLATE image/svg+xml
</IfModule>

# ---- Browser caching ----
<IfModule mod_expires.c>
  ExpiresActive On
  ExpiresByType text/html                 "access plus 1 hour"
  ExpiresByType text/css                  "access plus 1 month"
  ExpiresByType application/javascript    "access plus 1 month"
  ExpiresByType image/png                 "access plus 6 months"
  ExpiresByType image/jpeg                "access plus 6 months"
  ExpiresByType image/svg+xml             "access plus 6 months"
  ExpiresByType image/x-icon              "access plus 1 year"
  ExpiresByType font/woff2                "access plus 1 year"
</IfModule>

# ---- Protect sensitive scripts ----
<FilesMatch "^(post-to-fb|fb-setup)\.php$">
  <IfModule mod_authz_core.c>
    Require all denied
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Deny from all
  </IfModule>
</FilesMatch>

# ---- Protect mail config, logs and SMTP library ----
<FilesMatch "^(mail-config\.php|mail-error\.log|db-test\.php)$">
  <IfModule mod_authz_core.c>
    Require all denied
  </IfModule>
  <IfModule !mod_authz_core.c>
    Order Allow,Deny
    Deny from all
  </IfModule>
</FilesMatch>

# Block direct web access to the PHPMailer source files
RedirectMatch 403 (?i)/lib/PHPMailer/.*\.php$

# ---- Custom error pages ----
ErrorDocument 404 /index.html