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<?php |
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namespace Falcon; |
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|
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use WP_Error; |
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|
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class Security extends Base { |
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protected $features = [ |
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'no_rest_api', |
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'no_xmlrpc', |
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'no_login_errors', |
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'restrict_upload', |
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'block_ai_bots', |
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'force_login', |
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]; |
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|
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public function no_rest_api(): void { |
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remove_action( 'wp_head', 'rest_output_link_wp_head' ); |
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remove_action( 'xmlrpc_rsd_apis', 'rest_output_rsd' ); |
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remove_action( 'template_redirect', 'rest_output_link_header', 11 ); |
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|
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add_filter( 'rest_authentication_errors', [ $this, 'no_public_rest_api' ] ); |
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} |
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|
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public function no_public_rest_api( $access ) { |
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return is_user_logged_in() |
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? $access |
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: new WP_Error( 'rest_login_required', __( 'REST API restricted to authenticated users.', 'falcon' ), [ 'status' => rest_authorization_required_code() ] ); |
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} |
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|
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public function no_xmlrpc(): void { |
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add_filter( 'xmlrpc_enabled', '__return_false' ); |
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add_filter( 'xmlrpc_methods', '__return_empty_array' ); |
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add_filter( 'pings_open', '__return_false' ); |
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} |
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|
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public function no_login_errors(): void { |
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add_filter( 'login_errors', [ $this, 'custom_login_errors' ] ); |
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} |
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|
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public function custom_login_errors( $error ): string { |
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return __( 'There is something wrong. Please try again.', 'falcon' ); |
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} |
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|
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public function restrict_upload(): void { |
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add_filter( 'upload_mimes', [ $this, 'restrict_upload_mimes' ] ); |
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} |
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|
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public function restrict_upload_mimes(): array { |
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return [ |
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'jpg|jpeg' => 'image/jpeg', |
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'gif' => 'image/gif', |
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'png' => 'image/png', |
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'webp' => 'image/webp', |
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'mp4' => 'video/mp4', |
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'pdf' => 'application/pdf', |
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', |
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'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', |
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]; |
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} |
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|
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public function block_ai_bots(): void { |
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add_action( 'do_robotstxt', [ $this, 'block_ai_bots_in_robots_txt' ] ); |
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} |
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|
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/** |
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* Block AI bots via robots.txt |
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* |
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* @link https://neil-clarke.com/block-the-bots-that-feed-ai-models-by-scraping-your-website/ |
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*/ |
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public function block_ai_bots_in_robots_txt(): void { |
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$user_agents = [ |
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'CCBot', |
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'ChatGPT-User', |
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'GPTBot', |
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'Google-Extended', |
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'anthropic-ai', |
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'Omgilibot', |
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'Omgili', |
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'FacebookBot', |
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'Bytespider', |
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]; |
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$content = []; |
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foreach ( $user_agents as $user_agent ) { |
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$content[] = "User-agent: $user_agent"; |
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$content[] = 'Disallow: /'; |
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$content[] = ''; |
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} |
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|
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echo "\n", implode( "\n", $content ), "\n"; // phpcs:ignore |
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} |
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|
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public function force_login(): void { |
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add_action( 'template_redirect', [ $this, 'redirect_non_logged_in_users' ] ); |
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} |
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|
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public function redirect_non_logged_in_users(): void { |
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if ( is_user_logged_in() ) { |
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return; |
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} |
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|
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// Set the headers to prevent caching. |
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nocache_headers(); |
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|
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wp_safe_redirect( wp_login_url(), 302 ); |
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die; |
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} |
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} |
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|
