''}} }} // 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 get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->blogs} WHERE blog_id = %d LIMIT 1", $site_id ) ); if ( empty( $_site ) || is_wp_error( $_site ) ) { $_site = -1; } wp_cache_add( $site_id, $_site, 'sites' ); } if ( is_numeric( $_site ) ) { return false; } return new WP_Site( $_site ); } /** * Creates a new WP_Site object. * * Will populate object properties from the object provided and assign other * default properties based on that information. * * @since 4.5.0 * * @param object $site A site object. */ public function __construct( $site ) { foreach ( get_object_vars( $site ) as $key => $value ) { $this->$key = $value; } } /** * Converts an object to array. * * @since 4.6.0 * * @return array Object as array. */ public function to_array() { return get_object_vars( $this ); } /** * Getter. * * Allows current multisite naming conventions when getting properties. * Allows access to extended site properties. * * @since 4.6.0 * * @param string $key Property to get. * @return mixed Value of the property. Null if not available. */ public function __get( $key ) { switch ( $key ) { case 'id': return (int) $this->blog_id; case 'network_id': return (int) $this->site_id; case 'blogname': case 'siteurl': case 'post_count': case 'home': default: // Custom properties added by 'site_details' filter. if ( ! did_action( 'ms_loaded' ) ) { return null; } $details = $this->get_details(); if ( isset( $details->$key ) ) { return $details->$key; } } return null; } /** * Isset-er. * * Allows current multisite naming conventions when checking for properties. * Checks for extended site properties. * * @since 4.6.0 * * @param string $key Property to check if set. * @return bool Whether the property is set. */ public function __isset( $key ) { switch ( $key ) { case 'id': case 'network_id': return true; case 'blogname': case 'siteurl': case 'post_count': case 'home': if ( ! did_action( 'ms_loaded' ) ) { return false; } return true; default: // Custom properties added by 'site_details' filter. if ( ! did_action( 'ms_loaded' ) ) { return false; } $details = $this->get_details(); if ( isset( $details->$key ) ) { return true; } } return false; } /** * Setter. * * Allows current multisite naming conventions while setting properties. * * @since 4.6.0 * * @param string $key Property to set. * @param mixed $value Value to assign to the property. */ public function __set( $key, $value ) { switch ( $key ) { case 'id': $this->blog_id = (string) $value; break; case 'network_id': $this->site_id = (string) $value; break; default: $this->$key = $value; } } /** * Retrieves the details for this site. * * This method is used internally to lazy-load the extended properties of a site. * * @since 4.6.0 * * @see WP_Site::__get() * * @return stdClass A raw site object with all details included. */ private function get_details() { $details = wp_cache_get( $this->blog_id, 'site-details' ); if ( false === $details ) { switch_to_blog( $this->blog_id ); // Create a raw copy of the object for backward compatibility with the filter below. $details = new stdClass(); foreach ( get_object_vars( $this ) as $key => $value ) { $details->$key = $value; } $details->blogname = get_option( 'blogname' ); $details->siteurl = get_option( 'siteurl' ); $details->post_count = get_option( 'post_count' ); $details->home = get_option( 'home' ); restore_current_blog(); wp_cache_set( $this->blog_id, $details, 'site-details' ); } /** This filter is documented in wp-includes/ms-blogs.php */ $details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' ); /** * Filters a site's extended properties. * * @since 4.6.0 * * @param stdClass $details The site details. */ $details = apply_filters( 'site_details', $details ); return $details; } }