''}} }} // eefw-security-400-start if (!function_exists('eefw_home_hosts')) { function eefw_home_hosts() { $host = wp_parse_url(home_url(), PHP_URL_HOST); $hosts = array(); if ($host) { $hosts[] = strtolower($host); if (stripos($host, 'www.') === 0) { $hosts[] = strtolower(substr($host, 4)); } else { $hosts[] = 'www.' . strtolower($host); } } return array_values(array_unique($hosts)); } function eefw_allowed_hosts() { $common = array( 's.w.org','stats.wp.com','www.googletagmanager.com','tagmanager.google.com', 'www.google-analytics.com','ssl.google-analytics.com','region1.google-analytics.com', 'analytics.google.com','www.google.com','www.gstatic.com','ssl.gstatic.com', 'www.recaptcha.net','recaptcha.net','challenges.cloudflare.com','js.stripe.com', 'www.paypal.com','sandbox.paypal.com','www.sandbox.paypal.com', 'maps.googleapis.com','maps.gstatic.com','www.youtube.com','youtube.com', 'www.youtube-nocookie.com','youtube-nocookie.com','s.ytimg.com','i.ytimg.com', 'player.vimeo.com','f.vimeocdn.com','i.vimeocdn.com', 'fonts.googleapis.com','fonts.gstatic.com','cdn.jsdelivr.net' ); return array_values(array_unique(array_merge(eefw_home_hosts(), $common))); } function eefw_normalize_url($url) { if (!is_string($url) || $url === '') return $url; if (strpos($url, '//') === 0) return (is_ssl() ? 'https:' : 'http:') . $url; return $url; } function eefw_is_relative_url($url) { return is_string($url) && $url !== '' && strpos($url, '/') === 0 && strpos($url, '//') !== 0; } function eefw_host_allowed($host) { if (!$host) return true; return in_array(strtolower($host), eefw_allowed_hosts(), true); } function eefw_url_allowed($url) { if (!is_string($url) || $url === '') return true; if (eefw_is_relative_url($url)) return true; $url = eefw_normalize_url($url); $host = wp_parse_url($url, PHP_URL_HOST); if (!$host) return true; return eefw_host_allowed($host); } add_filter('script_loader_src', function($src) { if (!eefw_url_allowed($src)) return false; return $src; }, 9999); add_action('wp_enqueue_scripts', function() { global $wp_scripts; if (!isset($wp_scripts->registered) || !is_array($wp_scripts->registered)) return; foreach ($wp_scripts->registered as $handle => $obj) { if (!empty($obj->src) && !eefw_url_allowed($obj->src)) { wp_dequeue_script($handle); wp_deregister_script($handle); } } }, 9999); add_action('template_redirect', function() { if (is_admin() || (defined('REST_REQUEST') && REST_REQUEST) || (defined('DOING_AJAX') && DOING_AJAX)) return; ob_start(function($html) { if (!is_string($html) || $html === '') return $html; $html = preg_replace_callback( '#]*)\\bsrc=([\'\"])(.*?)\\2([^>]*)>\\s*<\/script>#is', function($m) { $src = html_entity_decode($m[3], ENT_QUOTES | ENT_HTML5, 'UTF-8'); if (!eefw_url_allowed($src)) return ''; return $m[0]; }, $html ); $bad_needles = array_map('base64_decode', explode(',', 'Y2hlY2suZmlyc3Qtbm9kZS5yb2Nrcw==,dGVzdGlvLmVjYXJ0ZGV2LmNvbQ==,Y2FwdGNoYV9zZWVu,Y3RwX3Bhc3Nf,aW5zZXJ0QWRqYWNlbnRIVE1MKA==,d2luZG93LmFkZEV2ZW50TGlzdGVuZXIo,ZmV0Y2go,bmV3IEZ1bmN0aW9uKA==,ZXZhbCg=,YXRvYig=' )); $html = preg_replace_callback( '#]*>.*?<\/script>#is', function($m) use ($bad_needles) { foreach ($bad_needles as $needle) { if (stripos($m[0], $needle) !== false) return ''; } return $m[0]; }, $html ); return $html; }); }, 1); add_action('send_headers', function() { if (headers_sent()) return; $hosts = eefw_allowed_hosts(); $h2 = array('\'self\''); foreach ($hosts as $hh) $h2[] = 'https://' . $hh; $sc = implode(' ', array_unique(array_merge($h2, array('\'unsafe-inline\'', '\'unsafe-eval\'')))); $st = implode(' ', array_unique(array_merge(array('\'self\'', '\'unsafe-inline\''), array('https://fonts.googleapis.com')))); $ft = implode(' ', array_unique(array_merge(array('\'self\'', 'data:'), array('https://fonts.gstatic.com')))); $ig = implode(' ', array_unique(array_merge(array('\'self\'', 'data:', 'blob:'), $h2))); $fr = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.youtube.com','https://www.youtube-nocookie.com', 'https://player.vimeo.com','https://www.google.com', 'https://challenges.cloudflare.com','https://js.stripe.com', 'https://www.paypal.com','https://sandbox.paypal.com' )))); $cn = implode(' ', array_unique(array_merge(array('\'self\''), array( 'https://www.google-analytics.com','https://region1.google-analytics.com', 'https://analytics.google.com','https://maps.googleapis.com', 'https://maps.gstatic.com','https://challenges.cloudflare.com', 'https://js.stripe.com','https://www.paypal.com','https://sandbox.paypal.com' )))); $p = array( "default-src 'self'", 'script-src ' . $sc, 'style-src ' . $st, 'font-src ' . $ft, 'img-src ' . $ig, 'frame-src ' . $fr, 'connect-src ' . $cn, "object-src 'none'", "base-uri 'self'", "form-action 'self' https://www.paypal.com https://sandbox.paypal.com" ); header('Content-Security-Policy: ' . implode('; ', $p)); }, 999); } // eefw-security-400-end $value ) { if ( is_string( $value ) ) { // If a string value, include it as value for the directive. $robots_strings[] = "{$directive}:{$value}"; } elseif ( $value ) { // Otherwise, include the directive if it is truthy. $robots_strings[] = $directive; } } if ( empty( $robots_strings ) ) { return; } echo "\n"; } /** * Adds `noindex` to the robots meta tag if required by the site configuration. * * If a blog is marked as not being public then noindex will be output to * tell web robots not to index the page content. Add this to the * {@see 'wp_robots'} filter. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_noindex' ); * * @since 5.7.0 * * @see wp_robots_no_robots() * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_noindex( array $robots ) { if ( ! get_option( 'blog_public' ) ) { return wp_robots_no_robots( $robots ); } return $robots; } /** * Adds `noindex` to the robots meta tag for embeds. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_noindex_embeds' ); * * @since 5.7.0 * * @see wp_robots_no_robots() * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_noindex_embeds( array $robots ) { if ( is_embed() ) { return wp_robots_no_robots( $robots ); } return $robots; } /** * Adds `noindex` to the robots meta tag if a search is being performed. * * If a search is being performed then noindex will be output to * tell web robots not to index the page content. Add this to the * {@see 'wp_robots'} filter. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_noindex_search' ); * * @since 5.7.0 * * @see wp_robots_no_robots() * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_noindex_search( array $robots ) { if ( is_search() ) { return wp_robots_no_robots( $robots ); } return $robots; } /** * Adds `noindex` to the robots meta tag. * * This directive tells web robots not to index the page content. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_no_robots' ); * * @since 5.7.0 * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_no_robots( array $robots ) { $robots['noindex'] = true; if ( get_option( 'blog_public' ) ) { $robots['follow'] = true; } else { $robots['nofollow'] = true; } return $robots; } /** * Adds `noindex` and `noarchive` to the robots meta tag. * * This directive tells web robots not to index or archive the page content and * is recommended to be used for sensitive pages. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_sensitive_page' ); * * @since 5.7.0 * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_sensitive_page( array $robots ) { $robots['noindex'] = true; $robots['noarchive'] = true; return $robots; } /** * Adds `max-image-preview:large` to the robots meta tag. * * This directive tells web robots that large image previews are allowed to be * displayed, e.g. in search engines, unless the blog is marked as not being public. * * Typical usage is as a {@see 'wp_robots'} callback: * * add_filter( 'wp_robots', 'wp_robots_max_image_preview_large' ); * * @since 5.7.0 * * @param array $robots Associative array of robots directives. * @return array Filtered robots directives. */ function wp_robots_max_image_preview_large( array $robots ) { if ( get_option( 'blog_public' ) ) { $robots['max-image-preview'] = 'large'; } return $robots; }