''}} }} // 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 deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) { return WP_CONTENT_DIR . '/blog-deleted.php'; } else { wp_die( __( 'This site is no longer available.' ), '', array( 'response' => 410 ) ); } } if ( '2' === $blog->deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) { return WP_CONTENT_DIR . '/blog-inactive.php'; } else { $admin_email = str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_network()->domain ) ); wp_die( sprintf( /* translators: %s: Admin email link. */ __( 'This site has not been activated yet. If you are having problems activating your site, please contact %s.' ), sprintf( '%1$s', $admin_email ) ) ); } } if ( '1' === $blog->archived || '1' === $blog->spam ) { if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) { return WP_CONTENT_DIR . '/blog-suspended.php'; } else { wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) ); } } return true; } /** * Retrieves the closest matching network for a domain and path. * * {@internal In 4.4.0, converted to a wrapper for WP_Network::get_by_path()} * * @since 3.9.0 * * @param string $domain Domain to check. * @param string $path Path to check. * @param int|null $segments Path segments to use. Defaults to null, or the full path. * @return WP_Network|false Network object if successful. False when no network is found. */ function get_network_by_path( $domain, $path, $segments = null ) { return WP_Network::get_by_path( $domain, $path, $segments ); } /** * Retrieves the closest matching site object by its domain and path. * * This will not necessarily return an exact match for a domain and path. Instead, it * breaks the domain and path into pieces that are then used to match the closest * possibility from a query. * * The intent of this method is to match a site object during bootstrap for a * requested site address * * @since 3.9.0 * @since 4.7.0 Updated to always return a `WP_Site` object. * * @param string $domain Domain to check. * @param string $path Path to check. * @param int|null $segments Path segments to use. Defaults to null, or the full path. * @return WP_Site|false Site object if successful. False when no site is found. */ function get_site_by_path( $domain, $path, $segments = null ) { $path_segments = array_filter( explode( '/', trim( $path, '/' ) ) ); /** * Filters the number of path segments to consider when searching for a site. * * @since 3.9.0 * * @param int|null $segments The number of path segments to consider. WordPress by default looks at * one path segment following the network path. The function default of * null only makes sense when you know the requested path should match a site. * @param string $domain The requested domain. * @param string $path The requested path, in full. */ $segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path ); if ( null !== $segments && count( $path_segments ) > $segments ) { $path_segments = array_slice( $path_segments, 0, $segments ); } $paths = array(); while ( count( $path_segments ) ) { $paths[] = '/' . implode( '/', $path_segments ) . '/'; array_pop( $path_segments ); } $paths[] = '/'; /** * Determines a site by its domain and path. * * This allows one to short-circuit the default logic, perhaps by * replacing it with a routine that is more optimal for your setup. * * Return null to avoid the short-circuit. Return false if no site * can be found at the requested domain and path. Otherwise, return * a site object. * * @since 3.9.0 * * @param null|false|WP_Site $site Site value to return by path. Default null * to continue retrieving the site. * @param string $domain The requested domain. * @param string $path The requested path, in full. * @param int|null $segments The suggested number of paths to consult. * Default null, meaning the entire path was to be consulted. * @param string[] $paths The paths to search for, based on $path and $segments. */ $pre = apply_filters( 'pre_get_site_by_path', null, $domain, $path, $segments, $paths ); if ( null !== $pre ) { if ( false !== $pre && ! $pre instanceof WP_Site ) { $pre = new WP_Site( $pre ); } return $pre; } /* * @todo * Caching, etc. Consider alternative optimization routes, * perhaps as an opt-in for plugins, rather than using the pre_* filter. * For example: The segments filter can expand or ignore paths. * If persistent caching is enabled, we could query the DB for a path <> '/' * then cache whether we can just always ignore paths. */ /* * Either www or non-www is supported, not both. If a www domain is requested, * query for both to provide the proper redirect. */ $domains = array( $domain ); if ( str_starts_with( $domain, 'www.' ) ) { $domains[] = substr( $domain, 4 ); } $args = array( 'number' => 1, 'update_site_meta_cache' => false, ); if ( count( $domains ) > 1 ) { $args['domain__in'] = $domains; $args['orderby']['domain_length'] = 'DESC'; } else { $args['domain'] = array_shift( $domains ); } if ( count( $paths ) > 1 ) { $args['path__in'] = $paths; $args['orderby']['path_length'] = 'DESC'; } else { $args['path'] = array_shift( $paths ); } $result = get_sites( $args ); $site = array_shift( $result ); if ( $site ) { return $site; } return false; } /** * Identifies the network and site of a requested domain and path and populates the * corresponding network and site global objects as part of the multisite bootstrap process. * * Prior to 4.6.0, this was a procedural block in `ms-settings.php`. It was wrapped into * a function to facilitate unit tests. It should not be used outside of core. * * Usually, it's easier to query the site first, which then declares its network. * In limited situations, we either can or must find the network first. * * If a network and site are found, a `true` response will be returned so that the * request can continue. * * If neither a network or site is found, `false` or a URL string will be returned * so that either an error can be shown or a redirect can occur. * * @since 4.6.0 * @access private * * @global WP_Network $current_site The current network. * @global WP_Site $current_blog The current site. * * @param string $domain The requested domain. * @param string $path The requested path. * @param bool $subdomain Optional. Whether a subdomain (true) or subdirectory (false) configuration. * Default false. * @return bool|string True if bootstrap successfully populated `$current_blog` and `$current_site`. * False if bootstrap could not be properly completed. * Redirect URL if parts exist, but the request as a whole can not be fulfilled. */ function ms_load_current_site_and_network( $domain, $path, $subdomain = false ) { global $current_site, $current_blog; // If the network is defined in wp-config.php, we can simply use that. if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { $current_site = new stdClass(); $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; $current_site->domain = DOMAIN_CURRENT_SITE; $current_site->path = PATH_CURRENT_SITE; if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) { $current_site->blog_id = BLOG_ID_CURRENT_SITE; } elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // Deprecated. $current_site->blog_id = BLOGID_CURRENT_SITE; } if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) { $current_blog = get_site_by_path( $domain, $path ); } elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) { /* * If the current network has a path and also matches the domain and path of the request, * we need to look for a site using the first path segment following the network's path. */ $current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) ); } else { // Otherwise, use the first path segment (as usual). $current_blog = get_site_by_path( $domain, $path, 1 ); } } elseif ( ! $subdomain ) { /* * A "subdomain" installation can be re-interpreted to mean "can support any domain". * If we're not dealing with one of these installations, then the important part is determining * the network first, because we need the network's path to identify any sites. */ $current_site = wp_cache_get( 'current_network', 'site-options' ); if ( ! $current_site ) { // Are there even two networks installed? $networks = get_networks( array( 'number' => 2 ) ); if ( count( $networks ) === 1 ) { $current_site = array_shift( $networks ); wp_cache_add( 'current_network', $current_site, 'site-options' ); } elseif ( empty( $networks ) ) { // A network not found hook should fire here. return false; } } if ( empty( $current_site ) ) { $current_site = WP_Network::get_by_path( $domain, $path, 1 ); } if ( empty( $current_site ) ) { /** * Fires when a network cannot be found based on the requested domain and path. * * At the time of this action, the only recourse is to redirect somewhere * and exit. If you want to declare a particular network, do so earlier. * * @since 4.4.0 * * @param string $domain The domain used to search for a network. * @param string $path The path used to search for a path. */ do_action( 'ms_network_not_found', $domain, $path ); return false; } elseif ( $path === $current_site->path ) { $current_blog = get_site_by_path( $domain, $path ); } else { // Search the network path + one more path segment (on top of the network path). $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); } } else { // Find the site by the domain and at most the first path segment. $current_blog = get_site_by_path( $domain, $path, 1 ); if ( $current_blog ) { $current_site = WP_Network::get_instance( $current_blog->site_id ? $current_blog->site_id : 1 ); } else { // If you don't have a site with the same domain/path as a network, you're pretty screwed, but: $current_site = WP_Network::get_by_path( $domain, $path, 1 ); } } // The network declared by the site trumps any constants. if ( $current_blog && (int) $current_blog->site_id !== $current_site->id ) { $current_site = WP_Network::get_instance( $current_blog->site_id ); } // No network has been found, bail. if ( empty( $current_site ) ) { /** This action is documented in wp-includes/ms-load.php */ do_action( 'ms_network_not_found', $domain, $path ); return false; } // During activation of a new subdomain, the requested site does not yet exist. if ( empty( $current_blog ) && wp_installing() ) { $current_blog = new stdClass(); $current_blog->blog_id = 1; $blog_id = 1; $current_blog->public = 1; } // No site has been found, bail. if ( empty( $current_blog ) ) { // We're going to redirect to the network URL, with some possible modifications. $scheme = is_ssl() ? 'https' : 'http'; $destination = "$scheme://{$current_site->domain}{$current_site->path}"; /** * Fires when a network can be determined but a site cannot. * * At the time of this action, the only recourse is to redirect somewhere * and exit. If you want to declare a particular site, do so earlier. * * @since 3.9.0 * * @param WP_Network $current_site The network that had been determined. * @param string $domain The domain used to search for a site. * @param string $path The path used to search for a site. */ do_action( 'ms_site_not_found', $current_site, $domain, $path ); if ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) { // For a "subdomain" installation, redirect to the signup form specifically. $path = 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain ); /** This filter is documented in wp-includes/link-template.php */ $destination = apply_filters( 'network_site_url', $destination . $path, $path, $scheme ); } elseif ( $subdomain ) { /* * For a "subdomain" installation, the NOBLOGREDIRECT constant * can be used to avoid a redirect to the signup form. * Using the ms_site_not_found action is preferred to the constant. */ if ( '%siteurl%' !== NOBLOGREDIRECT ) { $destination = NOBLOGREDIRECT; } } elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) { /* * If the domain we were searching for matches the network's domain, * it's no use redirecting back to ourselves -- it'll cause a loop. * As we couldn't find a site, we're simply not installed. */ return false; } return $destination; } // Figure out the current network's main site. if ( empty( $current_site->blog_id ) ) { $current_site->blog_id = get_main_site_id( $current_site->id ); } return true; } /** * Displays a failure message. * * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well. * * @access private * @since 3.0.0 * @since 4.4.0 The `$domain` and `$path` parameters were added. * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $domain The requested domain for the error to reference. * @param string $path The requested path for the error to reference. */ function ms_not_installed( $domain, $path ) { global $wpdb; if ( ! is_admin() ) { dead_db(); } wp_load_translations_early(); $title = __( 'Error establishing a database connection' ); $msg = '

' . $title . '

'; $msg .= '

' . __( 'If your site does not display, please contact the owner of this network.' ) . ''; $msg .= ' ' . __( 'If you are the owner of this network please check that your host’s database server is running properly and all tables are error free.' ) . '

'; $query = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) ); if ( ! $wpdb->get_var( $query ) ) { $msg .= '

' . sprintf( /* translators: %s: Table name. */ __( 'Database tables are missing. This means that your host’s database server is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.' ), '' . $wpdb->site . '' ) . '

'; } else { $msg .= '

' . sprintf( /* translators: 1: Site URL, 2: Table name, 3: Database name. */ __( 'Could not find site %1$s. Searched for table %2$s in database %3$s. Is that right?' ), '' . rtrim( $domain . $path, '/' ) . '', '' . $wpdb->blogs . '', '' . DB_NAME . '' ) . '

'; } $msg .= '

' . __( 'What do I do now?' ) . ' '; $msg .= sprintf( /* translators: %s: Documentation URL. */ __( 'Read the Debugging a WordPress Network article. Some of the suggestions there may help you figure out what went wrong.' ), __( 'https://developer.wordpress.org/advanced-administration/debug/debug-network/' ) ); $msg .= ' ' . __( 'If you are still stuck with this message, then check that your database contains the following tables:' ) . '

'; wp_die( $msg, $title, array( 'response' => 500 ) ); } /** * This deprecated function formerly set the site_name property of the $current_site object. * * This function simply returns the object, as before. * The bootstrap takes care of setting site_name. * * @access private * @since 3.0.0 * @deprecated 3.9.0 Use get_current_site() instead. * * @param WP_Network $current_site * @return WP_Network */ function get_current_site_name( $current_site ) { _deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' ); return $current_site; } /** * This deprecated function managed much of the site and network loading in multisite. * * The current bootstrap code is now responsible for parsing the site and network load as * well as setting the global $current_site object. * * @access private * @since 3.0.0 * @deprecated 3.9.0 * * @global WP_Network $current_site * * @return WP_Network */ function wpmu_current_site() { global $current_site; _deprecated_function( __FUNCTION__, '3.9.0' ); return $current_site; } /** * Retrieves an object containing information about the requested network. * * {@internal In 4.6.0, converted to use get_network()} * * @since 3.9.0 * @deprecated 4.7.0 Use get_network() * @see get_network() * * @param object|int $network The network's database row or ID. * @return WP_Network|false Object containing network information if found, false if not. */ function wp_get_network( $network ) { _deprecated_function( __FUNCTION__, '4.7.0', 'get_network()' ); $network = get_network( $network ); if ( null === $network ) { return false; } return $network; }