X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/5aa86a9053fb0fa15846bb60aac2fb8fdfff524a..refs/tags/wordpress-4.3:/wp-includes/ms-load.php diff --git a/wp-includes/ms-load.php b/wp-includes/ms-load.php index 5ff0526f..e067193f 100644 --- a/wp-includes/ms-load.php +++ b/wp-includes/ms-load.php @@ -19,22 +19,19 @@ function is_subdomain_install() { if ( defined('SUBDOMAIN_INSTALL') ) return SUBDOMAIN_INSTALL; - if ( defined('VHOST') && VHOST == 'yes' ) - return true; - - return false; + return ( defined( 'VHOST' ) && VHOST == 'yes' ); } /** * Returns array of network plugin files to be included in global scope. * * The default directory is wp-content/plugins. To change the default directory - * manually, define WP_PLUGIN_DIR and WP_PLUGIN_URL - * in wp-config.php. + * manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` in `wp-config.php`. * * @access private * @since 3.1.0 - * @return array Files to include + * + * @return array Files to include. */ function wp_get_active_network_plugins() { $active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); @@ -66,13 +63,21 @@ function wp_get_active_network_plugins() { * use the wp-content/blog-deleted.php, blog-inactive.php and * blog-suspended.php drop-ins. * - * @return bool|string Returns true on success, or drop-in file to include. + * @since 3.0.0 + * + * @return true|string Returns true on success, or drop-in file to include. */ function ms_site_check() { - global $wpdb, $current_blog; - - // Allow short-circuiting - $check = apply_filters('ms_site_check', null); + $blog = get_blog_details(); + + /** + * Filter checking the status of the current blog. + * + * @since 3.0.0 + * + * @param bool null Whether to skip the blog status check. Default null. + */ + $check = apply_filters( 'ms_site_check', null ); if ( null !== $check ) return true; @@ -80,21 +85,21 @@ function ms_site_check() { if ( is_super_admin() ) return true; - if ( '1' == $current_blog->deleted ) { + if ( '1' == $blog->deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) return WP_CONTENT_DIR . '/blog-deleted.php'; else - wp_die( __( 'This user has elected to delete their account and the content is no longer available.' ), '', array( 'response' => 410 ) ); + wp_die( __( 'This site is no longer available.' ), '', array( 'response' => 410 ) ); } - if ( '2' == $current_blog->deleted ) { + if ( '2' == $blog->deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) return WP_CONTENT_DIR . '/blog-inactive.php'; else - wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact %1$s.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', "support@{$current_site->domain}" ) ) ) ); + wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact %1$s.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_current_site()->domain ) ) ) ); } - if ( $current_blog->archived == '1' || $current_blog->spam == '1' ) { + if ( $blog->archived == '1' || $blog->spam == '1' ) { if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) return WP_CONTENT_DIR . '/blog-suspended.php'; else @@ -105,116 +110,281 @@ function ms_site_check() { } /** - * Sets current site name. + * Retrieve a network object by its domain and path. * - * @access private - * @since 3.0.0 - * @return object $current_site object with site_name + * @since 3.9.0 + * + * @global wpdb $wpdb + * + * @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 object|false Network object if successful. False when no network is found. */ -function get_current_site_name( $current_site ) { +function get_network_by_path( $domain, $path, $segments = null ) { global $wpdb; - $current_site->site_name = wp_cache_get( $current_site->id . ':site_name', 'site-options' ); - if ( ! $current_site->site_name ) { - $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) ); - if ( ! $current_site->site_name ) - $current_site->site_name = ucfirst( $current_site->domain ); - wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' ); + $domains = array( $domain ); + $pieces = explode( '.', $domain ); + + /* + * It's possible one domain to search is 'com', but it might as well + * be 'localhost' or some other locally mapped domain. + */ + while ( array_shift( $pieces ) ) { + if ( $pieces ) { + $domains[] = implode( '.', $pieces ); + } } - return $current_site; + /* + * If we've gotten to this function during normal execution, there is + * more than one network installed. At this point, who knows how many + * we have. Attempt to optimize for the situation where networks are + * only domains, thus meaning paths never need to be considered. + * + * This is a very basic optimization; anything further could have drawbacks + * depending on the setup, so this is best done per-install. + */ + $using_paths = true; + if ( wp_using_ext_object_cache() ) { + $using_paths = wp_cache_get( 'networks_have_paths', 'site-options' ); + if ( false === $using_paths ) { + $using_paths = (bool) $wpdb->get_var( "SELECT id FROM $wpdb->site WHERE path <> '/' LIMIT 1" ); + wp_cache_add( 'networks_have_paths', (int) $using_paths, 'site-options' ); + } + } + + $paths = array(); + if ( $using_paths ) { + $path_segments = array_filter( explode( '/', trim( $path, "/" ) ) ); + + /** + * Filter 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. The function default of null only makes sense when you + * know the requested path should match a network. + * @param string $domain The requested domain. + * @param string $path The requested path, in full. + */ + $segments = apply_filters( 'network_by_path_segments_count', $segments, $domain, $path ); + + if ( null !== $segments && count($path_segments ) > $segments ) { + $path_segments = array_slice( $path_segments, 0, $segments ); + } + + while ( count( $path_segments ) ) { + $paths[] = '/' . implode( '/', $path_segments ) . '/'; + array_pop( $path_segments ); + } + + $paths[] = '/'; + } + + /** + * Determine a network 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 network + * can be found at the requested domain and path. Otherwise, return + * an object from wp_get_network(). + * + * @since 3.9.0 + * + * @param null|bool|object $network Network value to return by path. + * @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 array $paths The paths to search for, based on $path and $segments. + */ + $pre = apply_filters( 'pre_get_network_by_path', null, $domain, $path, $segments, $paths ); + if ( null !== $pre ) { + return $pre; + } + + // @todo Consider additional optimization routes, perhaps as an opt-in for plugins. + // We already have paths covered. What about how far domains should be drilled down (including www)? + + $search_domains = "'" . implode( "', '", $wpdb->_escape( $domains ) ) . "'"; + + if ( ! $using_paths ) { + $network = $wpdb->get_row( "SELECT id, domain, path FROM $wpdb->site + WHERE domain IN ($search_domains) ORDER BY CHAR_LENGTH(domain) DESC LIMIT 1" ); + if ( $network ) { + return wp_get_network( $network ); + } + return false; + + } else { + $search_paths = "'" . implode( "', '", $wpdb->_escape( $paths ) ) . "'"; + $networks = $wpdb->get_results( "SELECT id, domain, path FROM $wpdb->site + WHERE domain IN ($search_domains) AND path IN ($search_paths) + ORDER BY CHAR_LENGTH(domain) DESC, CHAR_LENGTH(path) DESC" ); + } + + /* + * Domains are sorted by length of domain, then by length of path. + * The domain must match for the path to be considered. Otherwise, + * a network with the path of / will suffice. + */ + $found = false; + foreach ( $networks as $network ) { + if ( $network->domain === $domain || "www.$network->domain" === $domain ) { + if ( in_array( $network->path, $paths, true ) ) { + $found = true; + break; + } + } + if ( $network->path === '/' ) { + $found = true; + break; + } + } + + if ( $found ) { + return wp_get_network( $network ); + } + + return false; } /** - * Sets current_site object. + * Retrieve an object containing information about the requested network. * - * @access private - * @since 3.0.0 - * @return object $current_site object + * @since 3.9.0 + * + * @global wpdb $wpdb + * + * @param object|int $network The network's database row or ID. + * @return object|false Object containing network information if found, false if not. */ -function wpmu_current_site() { - global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain; - - if ( empty( $current_site ) ) - $current_site = new stdClass; - - if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { - $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; - $current_site->domain = DOMAIN_CURRENT_SITE; - $current_site->path = $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 ( DOMAIN_CURRENT_SITE == $domain ) - $current_site->cookie_domain = $cookie_domain; - elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' ) - $current_site->cookie_domain = substr( $current_site->domain, 4 ); - else - $current_site->cookie_domain = $current_site->domain; - - wp_load_core_site_options( $current_site->id ); +function wp_get_network( $network ) { + global $wpdb; - return $current_site; + if ( ! is_object( $network ) ) { + $network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE id = %d", $network ) ); + if ( ! $network ) { + return false; + } } - $current_site = wp_cache_get( 'current_site', 'site-options' ); - if ( $current_site ) - return $current_site; + return $network; +} + +/** + * Retrieve a site object by its domain and path. + * + * @since 3.9.0 + * + * @global wpdb $wpdb + * + * @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 object|false Site object if successful. False when no site is found. + */ +function get_site_by_path( $domain, $path, $segments = null ) { + global $wpdb; - $sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site - if ( 1 == count( $sites ) ) { - $current_site = $sites[0]; - wp_load_core_site_options( $current_site->id ); - $path = $current_site->path; - $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) ); - $current_site = get_current_site_name( $current_site ); - if ( substr( $current_site->domain, 0, 4 ) == 'www.' ) - $current_site->cookie_domain = substr( $current_site->domain, 4 ); - wp_cache_set( 'current_site', $current_site, 'site-options' ); - return $current_site; + $path_segments = array_filter( explode( '/', trim( $path, '/' ) ) ); + + /** + * Filter 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 ); } - $path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) ); - if ( $domain == $cookie_domain ) - $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) ); - else - $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); + $paths = array(); - if ( ! $current_site ) { - if ( $domain == $cookie_domain ) - $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) ); - else - $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); + while ( count( $path_segments ) ) { + $paths[] = '/' . implode( '/', $path_segments ) . '/'; + array_pop( $path_segments ); } - if ( $current_site ) { - $path = $current_site->path; - $current_site->cookie_domain = $cookie_domain; - return $current_site; + $paths[] = '/'; + + /** + * Determine 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|bool|object $site Site value to return by path. + * @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 array $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 ) { + return $pre; } - if ( is_subdomain_install() ) { - $sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) ); - $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) ); - if ( $current_site ) { - $current_site->cookie_domain = $current_site->domain; - return $current_site; - } + /* + * @todo + * get_blog_details(), 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 ( 'www.' === substr( $domain, 0, 4 ) ) { + $domains[] = substr( $domain, 4 ); + $search_domains = "'" . implode( "', '", $wpdb->_escape( $domains ) ) . "'"; + } + + if ( count( $paths ) > 1 ) { + $search_paths = "'" . implode( "', '", $wpdb->_escape( $paths ) ) . "'"; + } - $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) ); + if ( count( $domains ) > 1 && count( $paths ) > 1 ) { + $site = $wpdb->get_row( "SELECT * FROM $wpdb->blogs WHERE domain IN ($search_domains) AND path IN ($search_paths) ORDER BY CHAR_LENGTH(domain) DESC, CHAR_LENGTH(path) DESC LIMIT 1" ); + } elseif ( count( $domains ) > 1 ) { + $sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE path = %s", $paths[0] ); + $sql .= " AND domain IN ($search_domains) ORDER BY CHAR_LENGTH(domain) DESC LIMIT 1"; + $site = $wpdb->get_row( $sql ); + } elseif ( count( $paths ) > 1 ) { + $sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $domains[0] ); + $sql .= " AND path IN ($search_paths) ORDER BY CHAR_LENGTH(path) DESC LIMIT 1"; + $site = $wpdb->get_row( $sql ); + } else { + $site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $domains[0], $paths[0] ) ); } - if ( $current_site || defined( 'WP_INSTALLING' ) ) { - $path = '/'; - return $current_site; + if ( $site ) { + // @todo get_blog_details() + return $site; } - // Still no dice. - if ( 1 == count( $sites ) ) - wp_die( sprintf( /*WP_I18N_BLOG_DOESNT_EXIST*/'That site does not exist. Please try %s.'/*/WP_I18N_BLOG_DOESNT_EXIST*/, $sites[0]->domain . $sites[0]->path ) ); - else - wp_die( /*WP_I18N_NO_SITE_DEFINED*/'No site defined on this host. If you are the owner of this site, please check Debugging a WordPress Network for help.'/*/WP_I18N_NO_SITE_DEFINED*/ ); + return false; } /** @@ -224,23 +394,44 @@ function wpmu_current_site() { * * @access private * @since 3.0.0 + * + * @global wpdb $wpdb + * @global string $domain + * @global string $path */ function ms_not_installed() { global $wpdb, $domain, $path; - $title = /*WP_I18N_FATAL_ERROR*/'Error establishing database connection'/*/WP_I18N_FATAL_ERROR*/; + if ( ! is_admin() ) { + dead_db(); + } + + wp_load_translations_early(); + + $title = __( 'Error establishing a database connection' ); + $msg = '

' . $title . '

'; - if ( ! is_admin() ) - die( $msg ); - $msg .= '

' . /*WP_I18N_CONTACT_OWNER*/'If your site does not display, please contact the owner of this network.'/*/WP_I18N_CONTACT_OWNER*/ . ''; - $msg .= ' ' . /*WP_I18N_CHECK_MYSQL*/'If you are the owner of this network please check that MySQL is running properly and all tables are error free.'/*/WP_I18N_CHECK_MYSQL*/ . '

'; - if ( false && !$wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ) - $msg .= '

' . sprintf( /*WP_I18N_TABLES_MISSING_LONG*/'Database tables are missing. This means that MySQL is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.'/*/WP_I18N_TABLES_MISSING_LONG*/, $wpdb->site ) . '

'; - else - $msg .= '

' . sprintf( /*WP_I18N_NO_SITE_FOUND*/'Could not find site %1$s. Searched for table %2$s in database %3$s. Is that right?'/*/WP_I18N_NO_SITE_FOUND*/, rtrim( $domain . $path, '/' ), $wpdb->blogs, DB_NAME ) . '

'; - $msg .= '

' . /*WP_I18N_WHAT_DO_I_DO*/'What do I do now?'/*/WP_I18N_WHAT_DO_I_DO*/ . ' '; - $msg .= /*WP_I18N_RTFM*/'Read the bug report page. Some of the guidelines there may help you figure out what went wrong.'/*/WP_I18N_RTFM*/; - $msg .= ' ' . /*WP_I18N_STUCK*/'If you’re still stuck with this message, then check that your database contains the following tables:'/*/WP_I18N_STUCK*/ . '