.htaccess

# Enable URL rewriting
RewriteEngine On

# If the request was made to 50.251.58.13, redirect to imagemagick.org
RewriteCond %{HTTP_HOST} ^50\.251\.58\.13$
RewriteRule ^(.*)$ https://imagemagick.org/ [R=301,L]

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

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

# Redirect any request that starts with /Usage
RewriteCond %{REQUEST_URI} ^/Usage
RewriteRule ^(.*)$ https://usage.imagemagick.org/ [R=301,L]

# Set MIME types for ebook and media files
AddType application/epub+zip .epub

# Prevent directory listing
# Options -Indexes

# Cache static files for performance
<FilesMatch "\.(pdf|epub|mp4|webp|jpg|jpeg|png|gif|css|js)$">
  Header set Cache-Control "max-age=2592000, public"
</FilesMatch>

# Protect .htaccess itself
<Files .htaccess>
  Order Allow,Deny
  Deny from all
</Files>

# Prevent hotlinking of media files
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^https://(www\.)?imagemagick\.org/ [NC]
RewriteRule \.(pdf|epub|mp4|webp|jpg|jpeg|png|gif)$ - [F]

# On download.imagemagick.org, only allow the /archive path
RewriteCond %{HTTP_HOST} ^download\.imagemagick\.org$ [NC]
RewriteCond %{REQUEST_URI} !^/archive(?:/|$) [NC]
RewriteRule ^(.*)$ https://download.imagemagick.org/archive/ [R=301,L]

# Custom 404 error page
# ErrorDocument 404 /404.html