<?php
/**
- * Multi-site WordPress API
+ * Multisite WordPress API
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
+/**
+ * Gets the network's site and user counts.
+ *
+ * @since MU 1.0
+ * @uses get_blog_count()
+ * @uses get_user_count()
+ *
+ * @return array Site and user count for the network.
+ */
function get_sitestats() {
- global $wpdb;
-
- $stats['blogs'] = get_blog_count();
+ $stats = array(
+ 'blogs' => get_blog_count(),
+ 'users' => get_user_count(),
+ );
- $count_ts = get_site_option( 'user_count_ts' );
- if ( time() - $count_ts > 3600 ) {
- $count = $wpdb->get_var( "SELECT COUNT(ID) FROM $wpdb->users" );
- update_site_option( 'user_count', $count );
- update_site_option( 'user_count_ts', time() );
- } else {
- $count = get_site_option( 'user_count' );
- }
- $stats['users'] = $count;
return $stats;
}
+/**
+ * Get the admin for a domain/path combination.
+ *
+ * @since MU 1.0
+ *
+ * @param string $sitedomain Optional. Site domain.
+ * @param string $path Optional. Site path.
+ * @return array The network admins
+ */
function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
global $wpdb;
return false;
}
-function get_blogs_of_user( $id, $all = false ) {
- global $wpdb;
-
- $cache_suffix = $all ? '_all' : '_short';
- $return = wp_cache_get( 'blogs_of_user_' . $id . $cache_suffix, 'users' );
- if ( $return )
- return apply_filters( 'get_blogs_of_user', $return, $id, $all );
-
- $user = get_userdata( (int) $id );
- if ( !$user )
- return false;
-
- $blogs = $match = array();
- $prefix_length = strlen($wpdb->base_prefix);
- foreach ( (array) $user as $key => $value ) {
- if ( $prefix_length && substr($key, 0, $prefix_length) != $wpdb->base_prefix )
- continue;
- if ( substr($key, -12, 12) != 'capabilities' )
- continue;
- if ( preg_match( '/^' . $wpdb->base_prefix . '((\d+)_)?capabilities$/', $key, $match ) ) {
- if ( count( $match ) > 2 )
- $blog_id = $match[ 2 ];
- else
- $blog_id = 1;
- $blog = get_blog_details( $blog_id );
- if ( $blog && isset( $blog->domain ) && ( $all == true || $all == false && ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
- $blogs[ $blog_id ]->userblog_id = $blog_id;
- $blogs[ $blog_id ]->blogname = $blog->blogname;
- $blogs[ $blog_id ]->domain = $blog->domain;
- $blogs[ $blog_id ]->path = $blog->path;
- $blogs[ $blog_id ]->site_id = $blog->site_id;
- $blogs[ $blog_id ]->siteurl = $blog->siteurl;
- }
- }
- }
-
- wp_cache_add( 'blogs_of_user_' . $id . $cache_suffix, $blogs, 'users', 5 );
- return apply_filters( 'get_blogs_of_user', $blogs, $id, $all );
-}
-
-function get_active_blog_for_user( $user_id ) { // get an active blog for user - either primary blog or from blogs list
+/**
+ * Get one of a user's active blogs
+ *
+ * Returns the user's primary blog, if she has one and
+ * it is active. If it's inactive, function returns another
+ * active blog of the user. If none are found, the user
+ * is added as a Subscriber to the Dashboard Blog and that blog
+ * is returned.
+ *
+ * @since MU 1.0
+ * @uses get_blogs_of_user()
+ * @uses add_user_to_blog()
+ * @uses get_blog_details()
+ *
+ * @param int $user_id The unique ID of the user
+ * @return object The blog object
+ */
+function get_active_blog_for_user( $user_id ) {
global $wpdb;
$blogs = get_blogs_of_user( $user_id );
- if ( empty( $blogs ) ) {
- $details = get_dashboard_blog();
- add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
- update_user_meta( $user_id, 'primary_blog', $details->blog_id );
- wp_cache_delete( $user_id, 'users' );
- return $details;
- }
+ if ( empty( $blogs ) )
+ return null;
+
+ if ( !is_multisite() )
+ return $blogs[$wpdb->blogid];
$primary_blog = get_user_meta( $user_id, 'primary_blog', true );
- $details = get_dashboard_blog();
- if ( $primary_blog ) {
- $blogs = get_blogs_of_user( $user_id );
- if ( isset( $blogs[ $primary_blog ] ) == false ) {
- add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
- update_user_meta( $user_id, 'primary_blog', $details->blog_id );
- wp_cache_delete( $user_id, 'users' );
+ $first_blog = current($blogs);
+ if ( false !== $primary_blog ) {
+ if ( ! isset( $blogs[ $primary_blog ] ) ) {
+ update_user_meta( $user_id, 'primary_blog', $first_blog->userblog_id );
+ $primary = get_blog_details( $first_blog->userblog_id );
} else {
- $details = get_blog_details( $primary_blog );
+ $primary = get_blog_details( $primary_blog );
}
} else {
- add_user_to_blog( $details->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
- update_user_meta( $user_id, 'primary_blog', $details->blog_id );
+ //TODO Review this call to add_user_to_blog too - to get here the user must have a role on this blog?
+ add_user_to_blog( $first_blog->userblog_id, $user_id, 'subscriber' );
+ update_user_meta( $user_id, 'primary_blog', $first_blog->userblog_id );
+ $primary = $first_blog;
}
- if ( ( is_object( $details ) == false ) || ( is_object( $details ) && $details->archived == 1 || $details->spam == 1 || $details->deleted == 1 ) ) {
+ if ( ( ! is_object( $primary ) ) || ( $primary->archived == 1 || $primary->spam == 1 || $primary->deleted == 1 ) ) {
$blogs = get_blogs_of_user( $user_id, true ); // if a user's primary blog is shut down, check their other blogs.
$ret = false;
if ( is_array( $blogs ) && count( $blogs ) > 0 ) {
$details = get_blog_details( $blog_id );
if ( is_object( $details ) && $details->archived == 0 && $details->spam == 0 && $details->deleted == 0 ) {
$ret = $blog;
- $changed = false;
- if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id ) {
+ if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id )
update_user_meta( $user_id, 'primary_blog', $blog_id );
- $changed = true;
- }
- if ( !get_user_meta($user_id , 'source_domain', true) ) {
+ if ( !get_user_meta($user_id , 'source_domain', true) )
update_user_meta( $user_id, 'source_domain', $blog->domain );
- $changed = true;
- }
- if ( $changed )
- wp_cache_delete( $user_id, 'users' );
break;
}
}
} else {
- // Should never get here
- $dashboard_blog = get_dashboard_blog();
- add_user_to_blog( $dashboard_blog->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
- update_user_meta( $user_id, 'primary_blog', $dashboard_blog->blog_id );
- return $dashboard_blog;
+ return null;
}
return $ret;
} else {
- return $details;
- }
-}
-
-function is_user_member_of_blog( $user_id, $blog_id = 0 ) {
- $user_id = (int) $user_id;
- $blog_id = (int) $blog_id;
-
- if ( $blog_id == 0 ) {
- global $wpdb;
- $blog_id = $wpdb->blogid;
+ return $primary;
}
-
- $blogs = get_blogs_of_user( $user_id );
- if ( is_array( $blogs ) )
- return array_key_exists( $blog_id, $blogs );
- else
- return false;
}
+/**
+ * The number of active users in your installation.
+ *
+ * The count is cached and updated twice daily. This is not a live count.
+ *
+ * @since MU 2.7
+ *
+ * @return int
+ */
function get_user_count() {
- global $wpdb;
-
- $count_ts = get_site_option( 'user_count_ts' );
- if ( time() - $count_ts > 3600 ) {
- $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'") );
- update_site_option( 'user_count', $count );
- update_site_option( 'user_count_ts', time() );
- }
-
- $count = get_site_option( 'user_count' );
-
- return $count;
+ return get_site_option( 'user_count' );
}
-function get_blog_count( $id = 0 ) {
- global $wpdb;
-
- if ( $id == 0 )
- $id = $wpdb->siteid;
-
- $count_ts = get_site_option( 'blog_count_ts' );
- if ( time() - $count_ts > 3600 ) {
- $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(blog_id) as c FROM $wpdb->blogs WHERE site_id = %d AND spam = '0' AND deleted = '0' and archived = '0'", $id) );
- update_site_option( 'blog_count', $count );
- update_site_option( 'blog_count_ts', time() );
- }
-
- $count = get_site_option( 'blog_count' );
+/**
+ * The number of active sites on your installation.
+ *
+ * The count is cached and updated twice daily. This is not a live count.
+ *
+ * @since MU 1.0
+ *
+ * @param int $network_id Deprecated, not supported.
+ * @return int
+ */
+function get_blog_count( $network_id = 0 ) {
+ if ( func_num_args() )
+ _deprecated_argument( __FUNCTION__, '3.1' );
- return $count;
+ return get_site_option( 'blog_count' );
}
+/**
+ * Get a blog post from any site on the network.
+ *
+ * @since MU 1.0
+ *
+ * @param int $blog_id ID of the blog.
+ * @param int $post_id ID of the post you're looking for.
+ * @return WP_Post|null WP_Post on success or null on failure
+ */
function get_blog_post( $blog_id, $post_id ) {
- global $wpdb;
-
- $key = $blog_id . '-' . $post_id;
- $post = wp_cache_get( $key, 'global-posts' );
- if ( $post == false ) {
- $post = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM ' . $wpdb->get_blog_prefix( $blog_id ) . 'posts WHERE ID = %d', $post_id ) );
- wp_cache_add( $key, $post, 'global-posts' );
- }
+ switch_to_blog( $blog_id );
+ $post = get_post( $post_id );
+ restore_current_blog();
return $post;
}
+/**
+ * Add a user to a blog.
+ *
+ * Use the 'add_user_to_blog' action to fire an event when
+ * users are added to a blog.
+ *
+ * @since MU 1.0
+ *
+ * @param int $blog_id ID of the blog you're adding the user to.
+ * @param int $user_id ID of the user you're adding.
+ * @param string $role The role you want the user to have
+ * @return bool
+ */
function add_user_to_blog( $blog_id, $user_id, $role ) {
switch_to_blog($blog_id);
- $user = new WP_User($user_id);
+ $user = get_userdata( $user_id );
- if ( empty( $user->ID ) )
- return new WP_Error('user_does_not_exist', __('That user does not exist.'));
+ if ( ! $user ) {
+ restore_current_blog();
+ return new WP_Error( 'user_does_not_exist', __( 'The requested user does not exist.' ) );
+ }
if ( !get_user_meta($user_id, 'primary_blog', true) ) {
update_user_meta($user_id, 'primary_blog', $blog_id);
return true;
}
+/**
+ * Remove a user from a blog.
+ *
+ * Use the 'remove_user_from_blog' action to fire an event when
+ * users are removed from a blog.
+ *
+ * Accepts an optional $reassign parameter, if you want to
+ * reassign the user's blog posts to another user upon removal.
+ *
+ * @since MU 1.0
+ *
+ * @param int $user_id ID of the user you're removing.
+ * @param int $blog_id ID of the blog you're removing the user from.
+ * @param string $reassign Optional. A user to whom to reassign posts.
+ * @return bool
+ */
function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
global $wpdb;
switch_to_blog($blog_id);
}
// wp_revoke_user($user_id);
- $user = new WP_User($user_id);
- if ( empty( $user->ID ) )
+ $user = get_userdata( $user_id );
+ if ( ! $user ) {
+ restore_current_blog();
return new WP_Error('user_does_not_exist', __('That user does not exist.'));
+ }
$user->remove_all_caps();
}
restore_current_blog();
+
+ return true;
}
+/**
+ * Create an empty blog.
+ *
+ * @since MU 1.0
+ * @uses install_blog()
+ *
+ * @param string $domain The new blog's domain.
+ * @param string $path The new blog's path.
+ * @param string $weblog_title The new blog's title.
+ * @param int $site_id Optional. Defaults to 1.
+ * @return int The ID of the newly created blog
+ */
function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
- $domain = addslashes( $domain );
- $weblog_title = addslashes( $weblog_title );
-
if ( empty($path) )
$path = '/';
// Check if the domain has been used already. We should return an error message.
if ( domain_exists($domain, $path, $site_id) )
- return __( 'Error: Site URL already taken.' );
+ return __( '<strong>ERROR</strong>: Site URL already taken.' );
- // Need to backup wpdb table names, and create a new wp_blogs entry for new blog.
+ // Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
// Need to get blog_id from wp_blogs, and create new table names.
// Must restore table names at the end of function.
if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
- return __( 'Error: problem creating site entry.' );
+ return __( '<strong>ERROR</strong>: problem creating site entry.' );
switch_to_blog($blog_id);
install_blog($blog_id);
return $blog_id;
}
-function get_blog_permalink( $_blog_id, $post_id ) {
- $key = "{$_blog_id}-{$post_id}-blog_permalink";
- $link = wp_cache_get( $key, 'site-options' );
- if ( $link == false ) {
- switch_to_blog( $_blog_id );
- $link = get_permalink( $post_id );
- restore_current_blog();
- wp_cache_add( $key, $link, 'site-options', 360 );
- }
+/**
+ * Get the permalink for a post on another blog.
+ *
+ * @since MU 1.0
+ *
+ * @param int $blog_id ID of the source blog.
+ * @param int $post_id ID of the desired post.
+ * @return string The post's permalink
+ */
+function get_blog_permalink( $blog_id, $post_id ) {
+ switch_to_blog( $blog_id );
+ $link = get_permalink( $post_id );
+ restore_current_blog();
+
return $link;
}
+/**
+ * Get a blog's numeric ID from its URL.
+ *
+ * On a subdirectory installation like example.com/blog1/,
+ * $domain will be the root 'example.com' and $path the
+ * subdirectory '/blog1/'. With subdomains like blog1.example.com,
+ * $domain is 'blog1.example.com' and $path is '/'.
+ *
+ * @since MU 2.6.5
+ *
+ * @param string $domain
+ * @param string $path Optional. Not required for subdomain installations.
+ * @return int 0 if no blog found, otherwise the ID of the matching blog
+ */
function get_blog_id_from_url( $domain, $path = '/' ) {
global $wpdb;
- $domain = strtolower( $wpdb->escape( $domain ) );
- $path = strtolower( $wpdb->escape( $path ) );
+ $domain = strtolower( $domain );
+ $path = strtolower( $path );
$id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
- if ( $id == -1 ) { // blog does not exist
+ if ( $id == -1 ) // blog does not exist
return 0;
- } elseif ( $id ) {
- return (int)$id;
- }
+ elseif ( $id )
+ return (int) $id;
- $id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs WHERE domain = '$domain' and path = '$path' /* get_blog_id_from_url */" );
+ $id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s and path = %s /* get_blog_id_from_url */", $domain, $path ) );
- if ( !$id ) {
+ if ( ! $id ) {
wp_cache_set( md5( $domain . $path ), -1, 'blog-id-cache' );
- return false;
+ return 0;
}
+
wp_cache_set( md5( $domain . $path ), $id, 'blog-id-cache' );
return $id;
}
-// wpmu admin functions
-
-function wpmu_admin_do_redirect( $url = '' ) {
- $ref = '';
- if ( isset( $_GET['ref'] ) )
- $ref = $_GET['ref'];
- if ( isset( $_POST['ref'] ) )
- $ref = $_POST['ref'];
+// Admin functions
- if ( $ref ) {
- $ref = wpmu_admin_redirect_add_updated_param( $ref );
- wp_redirect( $ref );
- exit();
- }
- if ( empty( $_SERVER['HTTP_REFERER'] ) == false ) {
- wp_redirect( $_SERVER['HTTP_REFERER'] );
- exit();
- }
-
- $url = wpmu_admin_redirect_add_updated_param( $url );
- if ( isset( $_GET['redirect'] ) ) {
- if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
- $url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
- } elseif ( isset( $_POST['redirect'] ) ) {
- $url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
- }
- wp_redirect( $url );
- exit();
-}
-
-function wpmu_admin_redirect_add_updated_param( $url = '' ) {
- if ( strpos( $url, 'updated=true' ) === false ) {
- if ( strpos( $url, '?' ) === false )
- return $url . '?updated=true';
- else
- return $url . '&updated=true';
- }
- return $url;
-}
+/**
+ * Checks an email address against a list of banned domains.
+ *
+ * This function checks against the Banned Email Domains list
+ * at wp-admin/network/settings.php. The check is only run on
+ * self-registrations; user creation at wp-admin/network/users.php
+ * bypasses this check.
+ *
+ * @since MU
+ *
+ * @param string $user_email The email provided by the user at registration.
+ * @return bool Returns true when the email address is banned.
+ */
+function is_email_address_unsafe( $user_email ) {
+ $banned_names = get_site_option( 'banned_email_domains' );
+ if ( $banned_names && ! is_array( $banned_names ) )
+ $banned_names = explode( "\n", $banned_names );
-function is_blog_user( $blog_id = 0 ) {
- global $wpdb;
-
- $current_user = wp_get_current_user();
- if ( !$blog_id )
- $blog_id = $wpdb->blogid;
+ $is_email_address_unsafe = false;
- $cap_key = $wpdb->base_prefix . $blog_id . '_capabilities';
+ if ( $banned_names && is_array( $banned_names ) ) {
+ $banned_names = array_map( 'strtolower', $banned_names );
+ $normalized_email = strtolower( $user_email );
- if ( is_array($current_user->$cap_key) && in_array(1, $current_user->$cap_key) )
- return true;
+ list( $email_local_part, $email_domain ) = explode( '@', $normalized_email );
- return false;
-}
+ foreach ( $banned_names as $banned_domain ) {
+ if ( ! $banned_domain )
+ continue;
-function is_email_address_unsafe( $user_email ) {
- $banned_names = get_site_option( 'banned_email_domains' );
- if ($banned_names && !is_array( $banned_names ))
- $banned_names = explode( "\n", $banned_names);
+ if ( $email_domain == $banned_domain ) {
+ $is_email_address_unsafe = true;
+ break;
+ }
- if ( is_array( $banned_names ) && empty( $banned_names ) == false ) {
- $email_domain = strtolower( substr( $user_email, 1 + strpos( $user_email, '@' ) ) );
- foreach ( (array) $banned_names as $banned_domain ) {
- if ( $banned_domain == '' )
- continue;
- if (
- strstr( $email_domain, $banned_domain ) ||
- (
- strstr( $banned_domain, '/' ) &&
- preg_match( $banned_domain, $email_domain )
- )
- )
- return true;
+ $dotted_domain = ".$banned_domain";
+ if ( $dotted_domain === substr( $normalized_email, -strlen( $dotted_domain ) ) ) {
+ $is_email_address_unsafe = true;
+ break;
+ }
}
}
- return false;
+
+ return apply_filters( 'is_email_address_unsafe', $is_email_address_unsafe, $user_email );
}
+/**
+ * Processes new user registrations.
+ *
+ * Checks the data provided by the user during signup. Verifies
+ * the validity and uniqueness of user names and user email addresses,
+ * and checks email addresses against admin-provided domain
+ * whitelists and blacklists.
+ *
+ * The hook 'wpmu_validate_user_signup' provides an easy way
+ * to modify the signup process. The value $result, which is passed
+ * to the hook, contains both the user-provided info and the error
+ * messages created by the function. 'wpmu_validate_user_signup' allows
+ * you to process the data in any way you'd like, and unset the
+ * relevant errors if necessary.
+ *
+ * @since MU
+ * @uses is_email_address_unsafe()
+ * @uses username_exists()
+ * @uses email_exists()
+ *
+ * @param string $user_name The login name provided by the user.
+ * @param string $user_email The email provided by the user.
+ * @return array Contains username, email, and error messages.
+ */
function wpmu_validate_user_signup($user_name, $user_email) {
global $wpdb;
$orig_username = $user_name;
$user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
- $maybe = array();
- preg_match( '/[a-z0-9]+/', $user_name, $maybe );
- if ( $user_name != $orig_username || $user_name != $maybe[0] ) {
- $errors->add( 'user_name', __( "Only the lowercase letters a-z and numbers allowed" ) );
+ if ( $user_name != $orig_username || preg_match( '/[^a-z0-9]/', $user_name ) ) {
+ $errors->add( 'user_name', __( 'Only lowercase letters (a-z) and numbers are allowed.' ) );
$user_name = $orig_username;
}
$user_email = sanitize_email( $user_email );
if ( empty( $user_name ) )
- $errors->add('user_name', __('Please enter a username'));
+ $errors->add('user_name', __( 'Please enter a username.' ) );
$illegal_names = get_site_option( 'illegal_names' );
if ( is_array( $illegal_names ) == false ) {
add_site_option( 'illegal_names', $illegal_names );
}
if ( in_array( $user_name, $illegal_names ) == true )
- $errors->add('user_name', __('That username is not allowed'));
+ $errors->add('user_name', __( 'That username is not allowed.' ) );
if ( is_email_address_unsafe( $user_email ) )
$errors->add('user_email', __('You cannot use that email address to signup. We are having problems with them blocking some of our email. Please use another email provider.'));
if ( strlen( $user_name ) < 4 )
- $errors->add('user_name', __('Username must be at least 4 characters'));
+ $errors->add('user_name', __( 'Username must be at least 4 characters.' ) );
if ( strpos( ' ' . $user_name, '_' ) != false )
$errors->add( 'user_name', __( 'Sorry, usernames may not contain the character “_”!' ) );
// all numeric?
- $match = array();
- preg_match( '/[0-9]*/', $user_name, $match );
- if ( $match[0] == $user_name )
+ if ( preg_match( '/^[0-9]*$/', $user_name ) )
$errors->add('user_name', __('Sorry, usernames must have letters too!'));
if ( !is_email( $user_email ) )
- $errors->add('user_email', __('Please enter a correct email address'));
+ $errors->add('user_email', __( 'Please enter a valid email address.' ) );
$limited_email_domains = get_site_option( 'limited_email_domains' );
if ( is_array( $limited_email_domains ) && empty( $limited_email_domains ) == false ) {
// Check if the username has been used already.
if ( username_exists($user_name) )
- $errors->add('user_name', __('Sorry, that username already exists!'));
+ $errors->add( 'user_name', __( 'Sorry, that username already exists!' ) );
// Check if the email address has been used already.
if ( email_exists($user_email) )
- $errors->add('user_email', __('Sorry, that email address is already used!'));
+ $errors->add( 'user_email', __( 'Sorry, that email address is already used!' ) );
// Has someone already signed up for this username?
$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
$now = current_time( 'timestamp', true );
$diff = $now - $registered_at;
// If registered more than two days ago, cancel registration and let this signup go through.
- if ( $diff > 172800 )
- $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_login = %s", $user_name) );
+ if ( $diff > 2 * DAY_IN_SECONDS )
+ $wpdb->delete( $wpdb->signups, array( 'user_login' => $user_name ) );
else
$errors->add('user_name', __('That username is currently reserved but may be available in a couple of days.'));
-
- if ( $signup->active == 0 && $signup->user_email == $user_email )
- $errors->add('user_email_used', __('username and email used'));
}
$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email) );
if ( $signup != null ) {
$diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
// If registered more than two days ago, cancel registration and let this signup go through.
- if ( $diff > 172800 )
- $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_email = %s", $user_email) );
+ if ( $diff > 2 * DAY_IN_SECONDS )
+ $wpdb->delete( $wpdb->signups, array( 'user_email' => $user_email ) );
else
$errors->add('user_email', __('That email address has already been used. Please check your inbox for an activation email. It will become available in a couple of days if you do nothing.'));
}
return apply_filters('wpmu_validate_user_signup', $result);
}
+/**
+ * Processes new site registrations.
+ *
+ * Checks the data provided by the user during blog signup. Verifies
+ * the validity and uniqueness of blog paths and domains.
+ *
+ * This function prevents the current user from registering a new site
+ * with a blogname equivalent to another user's login name. Passing the
+ * $user parameter to the function, where $user is the other user, is
+ * effectively an override of this limitation.
+ *
+ * Filter 'wpmu_validate_blog_signup' if you want to modify
+ * the way that WordPress validates new site signups.
+ *
+ * @since MU
+ * @uses domain_exists()
+ * @uses username_exists()
+ *
+ * @param string $blogname The blog name provided by the user. Must be unique.
+ * @param string $blog_title The blog title provided by the user.
+ * @return array Contains the new site data and error messages.
+ */
function wpmu_validate_blog_signup($blogname, $blog_title, $user = '') {
- global $wpdb, $domain, $base, $current_site;
+ global $wpdb, $domain, $current_site;
+
+ $base = $current_site->path;
$blog_title = strip_tags( $blog_title );
$blog_title = substr( $blog_title, 0, 50 );
if (! is_subdomain_install() )
$illegal_names = array_merge($illegal_names, apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) ) );
-
if ( empty( $blogname ) )
- $errors->add('blogname', __('Please enter a site name'));
+ $errors->add('blogname', __( 'Please enter a site name.' ) );
- $maybe = array();
- preg_match( '/[a-z0-9]+/', $blogname, $maybe );
- if ( $blogname != $maybe[0] )
- $errors->add('blogname', __('Only lowercase letters and numbers allowed'));
+ if ( preg_match( '/[^a-z0-9]+/', $blogname ) )
+ $errors->add('blogname', __( 'Only lowercase letters (a-z) and numbers are allowed.' ) );
if ( in_array( $blogname, $illegal_names ) == true )
- $errors->add('blogname', __('That name is not allowed'));
+ $errors->add('blogname', __( 'That name is not allowed.' ) );
if ( strlen( $blogname ) < 4 && !is_super_admin() )
- $errors->add('blogname', __('Site name must be at least 4 characters'));
+ $errors->add('blogname', __( 'Site name must be at least 4 characters.' ) );
- if ( strpos( ' ' . $blogname, '_' ) != false )
+ if ( strpos( $blogname, '_' ) !== false )
$errors->add( 'blogname', __( 'Sorry, site names may not contain the character “_”!' ) );
// do not allow users to create a blog that conflicts with a page on the main blog.
$errors->add( 'blogname', __( 'Sorry, you may not use that site name.' ) );
// all numeric?
- $match = array();
- preg_match( '/[0-9]*/', $blogname, $match );
- if ( $match[0] == $blogname )
+ if ( preg_match( '/^[0-9]*$/', $blogname ) )
$errors->add('blogname', __('Sorry, site names must have letters too!'));
$blogname = apply_filters( 'newblogname', $blogname );
- $blog_title = stripslashes( $blog_title );
+ $blog_title = wp_unslash( $blog_title );
if ( empty( $blog_title ) )
- $errors->add('blog_title', __('Please enter a site title'));
+ $errors->add('blog_title', __( 'Please enter a site title.' ) );
// Check if the domain/path has been used already.
if ( is_subdomain_install() ) {
$mydomain = "$domain";
$path = $base.$blogname.'/';
}
- if ( domain_exists($mydomain, $path) )
- $errors->add('blogname', __('Sorry, that site already exists!'));
+ if ( domain_exists($mydomain, $path, $current_site->id) )
+ $errors->add( 'blogname', __( 'Sorry, that site already exists!' ) );
if ( username_exists( $blogname ) ) {
if ( is_object( $user ) == false || ( is_object($user) && ( $user->user_login != $blogname ) ) )
if ( ! empty($signup) ) {
$diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
// If registered more than two days ago, cancel registration and let this signup go through.
- if ( $diff > 172800 )
- $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) );
+ if ( $diff > 2 * DAY_IN_SECONDS )
+ $wpdb->delete( $wpdb->signups, array( 'domain' => $mydomain , 'path' => $path ) );
else
$errors->add('blogname', __('That site is currently reserved but may be available in a couple days.'));
}
- $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors);
+ $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'user' => $user, 'errors' => $errors);
return apply_filters('wpmu_validate_blog_signup', $result);
}
-// Record signup information for future activation. wpmu_validate_signup() should be run
-// on the inputs before calling wpmu_signup().
-function wpmu_signup_blog($domain, $path, $title, $user, $user_email, $meta = '') {
+/**
+ * Record site signup information for future activation.
+ *
+ * @since MU
+ * @uses wpmu_signup_blog_notification()
+ *
+ * @param string $domain The requested domain.
+ * @param string $path The requested path.
+ * @param string $title The requested site title.
+ * @param string $user The user's requested login name.
+ * @param string $user_email The user's email address.
+ * @param array $meta By default, contains the requested privacy setting and lang_id.
+ */
+function wpmu_signup_blog( $domain, $path, $title, $user, $user_email, $meta = array() ) {
global $wpdb;
$key = substr( md5( time() . rand() . $domain ), 0, 16 );
$meta = serialize($meta);
- $domain = $wpdb->escape($domain);
- $path = $wpdb->escape($path);
- $title = $wpdb->escape($title);
$wpdb->insert( $wpdb->signups, array(
'domain' => $domain,
wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta);
}
-function wpmu_signup_user($user, $user_email, $meta = '') {
+/**
+ * Record user signup information for future activation.
+ *
+ * This function is used when user registration is open but
+ * new site registration is not.
+ *
+ * @since MU
+ * @uses wpmu_signup_user_notification()
+ *
+ * @param string $user The user's requested login name.
+ * @param string $user_email The user's email address.
+ * @param array $meta By default, this is an empty array.
+ */
+function wpmu_signup_user( $user, $user_email, $meta = array() ) {
global $wpdb;
// Format data
wpmu_signup_user_notification($user, $user_email, $key, $meta);
}
-// Notify user of signup success.
-function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') {
+/**
+ * Notify user of signup success.
+ *
+ * This is the notification function used when site registration
+ * is enabled.
+ *
+ * Filter 'wpmu_signup_blog_notification' to bypass this function or
+ * replace it with your own notification behavior.
+ *
+ * Filter 'wpmu_signup_blog_notification_email' and
+ * 'wpmu_signup_blog_notification_subject' to change the content
+ * and subject line of the email sent to newly registered users.
+ *
+ * @since MU
+ *
+ * @param string $domain The new blog domain.
+ * @param string $path The new blog path.
+ * @param string $title The site title.
+ * @param string $user The user's login name.
+ * @param string $user_email The user's email address.
+ * @param string $key The activation key created in wpmu_signup_blog()
+ * @param array $meta By default, contains the requested privacy setting and lang_id.
+ * @return bool
+ */
+function wpmu_signup_blog_notification( $domain, $path, $title, $user, $user_email, $key, $meta = array() ) {
global $current_site;
if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) )
$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
- $message = sprintf( apply_filters( 'wpmu_signup_blog_notification_email', __( "To activate your blog, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%s" ) ), $activate_url, esc_url( "http://{$domain}{$path}" ), $key );
+ $message = sprintf(
+ apply_filters( 'wpmu_signup_blog_notification_email',
+ __( "To activate your blog, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%s" ),
+ $domain, $path, $title, $user, $user_email, $key, $meta
+ ),
+ $activate_url,
+ esc_url( "http://{$domain}{$path}" ),
+ $key
+ );
// TODO: Don't hard code activation link.
- $subject = sprintf( apply_filters( 'wpmu_signup_blog_notification_subject', __( '[%1$s] Activate %2$s' ) ), $from_name, esc_url( 'http://' . $domain . $path ) );
+ $subject = sprintf(
+ apply_filters( 'wpmu_signup_blog_notification_subject',
+ __( '[%1$s] Activate %2$s' ),
+ $domain, $path, $title, $user, $user_email, $key, $meta
+ ),
+ $from_name,
+ esc_url( 'http://' . $domain . $path )
+ );
wp_mail($user_email, $subject, $message, $message_headers);
return true;
}
-function wpmu_signup_user_notification($user, $user_email, $key, $meta = '') {
+/**
+ * Notify user of signup success.
+ *
+ * This is the notification function used when no new site has
+ * been requested.
+ *
+ * Filter 'wpmu_signup_user_notification' to bypass this function or
+ * replace it with your own notification behavior.
+ *
+ * Filter 'wpmu_signup_user_notification_email' and
+ * 'wpmu_signup_user_notification_subject' to change the content
+ * and subject line of the email sent to newly registered users.
+ *
+ * @since MU
+ *
+ * @param string $user The user's login name.
+ * @param string $user_email The user's email address.
+ * @param string $key The activation key created in wpmu_signup_user()
+ * @param array $meta By default, an empty array.
+ * @return bool
+ */
+function wpmu_signup_user_notification( $user, $user_email, $key, $meta = array() ) {
if ( !apply_filters('wpmu_signup_user_notification', $user, $user_email, $key, $meta) )
return false;
$admin_email = 'support@' . $_SERVER['SERVER_NAME'];
$from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
$message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
- $message = sprintf( apply_filters( 'wpmu_signup_user_notification_email', __( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\n" ) ), site_url( "wp-activate.php?key=$key" ), $key );
+ $message = sprintf(
+ apply_filters( 'wpmu_signup_user_notification_email',
+ __( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login." ),
+ $user, $user_email, $key, $meta
+ ),
+ site_url( "wp-activate.php?key=$key" )
+ );
// TODO: Don't hard code activation link.
- $subject = sprintf( __( apply_filters( 'wpmu_signup_user_notification_subject', '[%1$s] Activate %2$s' ) ), $from_name, $user);
+ $subject = sprintf(
+ apply_filters( 'wpmu_signup_user_notification_subject',
+ __( '[%1$s] Activate %2$s' ),
+ $user, $user_email, $key, $meta
+ ),
+ $from_name,
+ $user
+ );
wp_mail($user_email, $subject, $message, $message_headers);
return true;
}
+/**
+ * Activate a signup.
+ *
+ * Hook to 'wpmu_activate_user' or 'wpmu_activate_blog' for events
+ * that should happen only when users or sites are self-created (since
+ * those actions are not called when users and sites are created
+ * by a Super Admin).
+ *
+ * @since MU
+ * @uses wp_generate_password()
+ * @uses wpmu_welcome_user_notification()
+ * @uses add_user_to_blog()
+ * @uses wpmu_create_user()
+ * @uses wpmu_create_blog()
+ * @uses wpmu_welcome_notification()
+ *
+ * @param string $key The activation key provided to the user.
+ * @return array An array containing information about the activated user and/or blog
+ */
function wpmu_activate_signup($key) {
- global $wpdb, $current_site;
+ global $wpdb;
$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );
- if ( empty($signup) )
- return new WP_Error('invalid_key', __('Invalid activation key.'));
+ if ( empty( $signup ) )
+ return new WP_Error( 'invalid_key', __( 'Invalid activation key.' ) );
- if ( $signup->active )
- return new WP_Error('already_active', __('The site is already active.'), $signup);
+ if ( $signup->active ) {
+ if ( empty( $signup->domain ) )
+ return new WP_Error( 'already_active', __( 'The user is already active.' ), $signup );
+ else
+ return new WP_Error( 'already_active', __( 'The site is already active.' ), $signup );
+ }
- $meta = unserialize($signup->meta);
- $user_login = $wpdb->escape($signup->user_login);
- $user_email = $wpdb->escape($signup->user_email);
- $password = wp_generate_password();
+ $meta = maybe_unserialize($signup->meta);
+ $password = wp_generate_password( 12, false );
- $user_id = username_exists($user_login);
+ $user_id = username_exists($signup->user_login);
if ( ! $user_id )
- $user_id = wpmu_create_user($user_login, $password, $user_email);
+ $user_id = wpmu_create_user($signup->user_login, $password, $signup->user_email);
else
$user_already_exists = true;
if ( isset( $user_already_exists ) )
return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);
- wpmu_welcome_user_notification($user_id, $password, $meta);
- $user_site = get_site_option( 'dashboard_blog', $current_site->blog_id );
-
- if ( $user_site == false )
- add_user_to_blog( '1', $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
- else
- add_user_to_blog( $user_site, $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
-
- add_new_user_to_blog( $user_id, $user_email, $meta );
- do_action('wpmu_activate_user', $user_id, $password, $meta);
- return array('user_id' => $user_id, 'password' => $password, 'meta' => $meta);
+ wpmu_welcome_user_notification( $user_id, $password, $meta );
+ do_action( 'wpmu_activate_user', $user_id, $password, $meta );
+ return array( 'user_id' => $user_id, 'password' => $password, 'meta' => $meta );
}
$blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid );
// TODO: What to do if we create a user but cannot create a blog?
if ( is_wp_error($blog_id) ) {
// If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and
- // setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
+ // setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
if ( 'blog_taken' == $blog_id->get_error_code() ) {
$blog_id->add_data( $signup );
$wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );
return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);
}
-function wpmu_create_user( $user_name, $password, $email) {
+/**
+ * Create a user.
+ *
+ * This function runs when a user self-registers as well as when
+ * a Super Admin creates a new user. Hook to 'wpmu_new_user' for events
+ * that should affect all new users, but only on Multisite (otherwise
+ * use 'user_register').
+ *
+ * @since MU
+ * @uses wp_create_user()
+ *
+ * @param string $user_name The new user's login name.
+ * @param string $password The new user's password.
+ * @param string $email The new user's email address.
+ * @return mixed Returns false on failure, or int $user_id on success
+ */
+function wpmu_create_user( $user_name, $password, $email ) {
$user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
$user_id = wp_create_user( $user_name, $password, $email );
- if ( is_wp_error($user_id) )
+ if ( is_wp_error( $user_id ) )
return false;
// Newly created users have no roles or caps until they are added to a blog.
return $user_id;
}
-function wpmu_create_blog($domain, $path, $title, $user_id, $meta = '', $site_id = 1) {
+/**
+ * Create a site.
+ *
+ * This function runs when a user self-registers a new site as well
+ * as when a Super Admin creates a new site. Hook to 'wpmu_new_blog'
+ * for events that should affect all new sites.
+ *
+ * On subdirectory installs, $domain is the same as the main site's
+ * domain, and the path is the subdirectory name (eg 'example.com'
+ * and '/blog1/'). On subdomain installs, $domain is the new subdomain +
+ * root domain (eg 'blog1.example.com'), and $path is '/'.
+ *
+ * @since MU
+ * @uses domain_exists()
+ * @uses insert_blog()
+ * @uses wp_install_defaults()
+ * @uses add_user_to_blog()
+ *
+ * @param string $domain The new site's domain.
+ * @param string $path The new site's path.
+ * @param string $title The new site's title.
+ * @param int $user_id The user ID of the new site's admin.
+ * @param array $meta Optional. Used to set initial site options.
+ * @param int $site_id Optional. Only relevant on multi-network installs.
+ * @return mixed Returns WP_Error object on failure, int $blog_id on success
+ */
+function wpmu_create_blog( $domain, $path, $title, $user_id, $meta = array(), $site_id = 1 ) {
+ $defaults = array( 'public' => 0 );
+ $meta = wp_parse_args( $meta, $defaults );
+
$domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
if ( is_subdomain_install() )
// Check if the domain has been used already. We should return an error message.
if ( domain_exists($domain, $path, $site_id) )
- return new WP_Error('blog_taken', __('Site already exists.'));
+ return new WP_Error( 'blog_taken', __( 'Sorry, that site already exists!' ) );
if ( !defined('WP_INSTALLING') )
define( 'WP_INSTALLING', true );
add_user_to_blog($blog_id, $user_id, 'administrator');
- if ( is_array($meta) ) foreach ($meta as $key => $value) {
- if ( $key == 'public' || $key == 'archived' || $key == 'mature' || $key == 'spam' || $key == 'deleted' || $key == 'lang_id' )
+ foreach ( $meta as $key => $value ) {
+ if ( in_array( $key, array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ) ) )
update_blog_status( $blog_id, $key, $value );
else
update_option( $key, $value );
}
add_option( 'WPLANG', get_site_option( 'WPLANG' ) );
- update_option( 'blog_public', (int)$meta['public'] );
+ update_option( 'blog_public', (int) $meta['public'] );
- if ( !is_super_admin() && get_user_meta( $user_id, 'primary_blog', true ) == get_site_option( 'dashboard_blog', 1 ) )
+ if ( ! is_super_admin( $user_id ) && ! get_user_meta( $user_id, 'primary_blog', true ) )
update_user_meta( $user_id, 'primary_blog', $blog_id );
restore_current_blog();
return $blog_id;
}
+/**
+ * Notifies the network admin that a new site has been activated.
+ *
+ * Filter 'newblog_notify_siteadmin' to change the content of
+ * the notification email.
+ *
+ * @since MU
+ *
+ * @param int $blog_id The new site's ID.
+ * @return bool
+ */
function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
if ( get_site_option( 'registrationnotification' ) != 'yes' )
return false;
if ( is_email($email) == false )
return false;
- $options_site_url = esc_url(network_admin_url('ms-options.php'));
+ $options_site_url = esc_url(network_admin_url('settings.php'));
switch_to_blog( $blog_id );
$blogname = get_option( 'blogname' );
$siteurl = site_url();
restore_current_blog();
- $msg = sprintf( __( 'New Site: %1s
-URL: %2s
-Remote IP: %3s
+ $msg = sprintf( __( 'New Site: %1$s
+URL: %2$s
+Remote IP: %3$s
-Disable these notifications: %4s' ), $blogname, $siteurl, $_SERVER['REMOTE_ADDR'], $options_site_url);
+Disable these notifications: %4$s' ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
$msg = apply_filters( 'newblog_notify_siteadmin', $msg );
wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg );
return true;
}
+/**
+ * Notifies the network admin that a new user has been activated.
+ *
+ * Filter 'newuser_notify_siteadmin' to change the content of
+ * the notification email.
+ *
+ * @since MU
+ * @uses apply_filters() Filter newuser_notify_siteadmin to change the content of the email message
+ *
+ * @param int $user_id The new user's ID.
+ * @return bool
+ */
function newuser_notify_siteadmin( $user_id ) {
if ( get_site_option( 'registrationnotification' ) != 'yes' )
return false;
if ( is_email($email) == false )
return false;
- $user = new WP_User($user_id);
+ $user = get_userdata( $user_id );
- $options_site_url = esc_url(network_admin_url('ms-options.php'));
- $msg = sprintf(__('New User: %1s
-Remote IP: %2s
+ $options_site_url = esc_url(network_admin_url('settings.php'));
+ $msg = sprintf(__('New User: %1$s
+Remote IP: %2$s
-Disable these notifications: %3s'), $user->user_login, $_SERVER['REMOTE_ADDR'], $options_site_url);
+Disable these notifications: %3$s'), $user->user_login, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
- $msg = apply_filters( 'newuser_notify_siteadmin', $msg );
+ $msg = apply_filters( 'newuser_notify_siteadmin', $msg, $user );
wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
return true;
}
+/**
+ * Check whether a blogname is already taken.
+ *
+ * Used during the new site registration process to ensure
+ * that each blogname is unique.
+ *
+ * @since MU
+ *
+ * @param string $domain The domain to be checked.
+ * @param string $path The path to be checked.
+ * @param int $site_id Optional. Relevant only on multi-network installs.
+ * @return int
+ */
function domain_exists($domain, $path, $site_id = 1) {
global $wpdb;
- return $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s AND site_id = %d", $domain, $path, $site_id) );
+ $result = $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s AND site_id = %d", $domain, $path, $site_id) );
+ return apply_filters( 'domain_exists', $result, $domain, $path, $site_id );
}
+/**
+ * Store basic site info in the blogs table.
+ *
+ * This function creates a row in the wp_blogs table and returns
+ * the new blog's ID. It is the first step in creating a new blog.
+ *
+ * @since MU
+ *
+ * @param string $domain The domain of the new site.
+ * @param string $path The path of the new site.
+ * @param int $site_id Unless you're running a multi-network install, be sure to set this value to 1.
+ * @return int The ID of the new row
+ */
function insert_blog($domain, $path, $site_id) {
global $wpdb;
if ( ! $result )
return false;
- refresh_blog_details($wpdb->insert_id);
- return $wpdb->insert_id;
+ $blog_id = $wpdb->insert_id;
+ refresh_blog_details( $blog_id );
+
+ wp_maybe_update_network_site_counts();
+
+ return $blog_id;
}
-// Install an empty blog. wpdb should already be switched.
+/**
+ * Install an empty blog.
+ *
+ * Creates the new blog tables and options. If calling this function
+ * directly, be sure to use switch_to_blog() first, so that $wpdb
+ * points to the new blog.
+ *
+ * @since MU
+ * @uses make_db_current_silent()
+ * @uses populate_roles()
+ *
+ * @param int $blog_id The value returned by insert_blog().
+ * @param string $blog_title The title of the new site.
+ */
function install_blog($blog_id, $blog_title = '') {
- global $wpdb, $table_prefix, $wp_roles;
- $wpdb->suppress_errors();
+ global $wpdb, $wp_roles, $current_site;
// Cast for security
$blog_id = (int) $blog_id;
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
- if ( $wpdb->get_results("SELECT ID FROM $wpdb->posts") )
- die(__('<h1>Already Installed</h1><p>You appear to have already installed WordPress. To reinstall please clear your old database tables first.</p>') . '</body></html>');
-
- $wpdb->suppress_errors(false);
+ $wpdb->suppress_errors();
+ if ( $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ) )
+ die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p></body></html>' );
+ $wpdb->suppress_errors( false );
- $url = get_blogaddress_by_id($blog_id);
+ $url = get_blogaddress_by_id( $blog_id );
// Set everything up
- make_db_current_silent();
+ make_db_current_silent( 'blog' );
populate_options();
populate_roles();
$wp_roles->_init();
- // fix url.
- update_option('siteurl', $url);
- update_option('home', $url);
- update_option('fileupload_url', $url . "files" );
- update_option('upload_path', "wp-content/blogs.dir/" . $blog_id . "/files");
- update_option('blogname', stripslashes( $blog_title ) );
- update_option('admin_email', '');
- $wpdb->update( $wpdb->options, array('option_value' => ''), array('option_name' => 'admin_email') );
+ $url = untrailingslashit( $url );
- // remove all perms
- $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'user_level') );
- $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'capabilities') );
+ update_option( 'siteurl', $url );
+ update_option( 'home', $url );
- $wpdb->suppress_errors( false );
+ if ( get_site_option( 'ms_files_rewriting' ) )
+ update_option( 'upload_path', UPLOADBLOGSDIR . "/$blog_id/files" );
+ else
+ update_option( 'upload_path', get_blog_option( $current_site->blog_id, 'upload_path' ) );
+
+ update_option( 'blogname', wp_unslash( $blog_title ) );
+ update_option( 'admin_email', '' );
+
+ // remove all perms
+ $table_prefix = $wpdb->get_blog_prefix();
+ delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true ); // delete all
+ delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // delete all
}
-// Deprecated, use wp_install_defaults()
-// should be switched already as $blog_id is ignored.
+/**
+ * Set blog defaults.
+ *
+ * This function creates a row in the wp_blogs table.
+ *
+ * @since MU
+ * @deprecated MU
+ * @deprecated Use wp_install_defaults()
+ * @uses wp_install_defaults()
+ *
+ * @param int $blog_id Ignored in this function.
+ * @param int $user_id
+ */
function install_blog_defaults($blog_id, $user_id) {
global $wpdb;
$wpdb->suppress_errors( false );
}
-function wpmu_welcome_notification($blog_id, $user_id, $password, $title, $meta = '') {
- global $current_site;
-
- if ( !apply_filters('wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta) )
- return false;
-
- $welcome_email = stripslashes( get_site_option( 'welcome_email' ) );
+/**
+ * Notify a user that her blog activation has been successful.
+ *
+ * Filter 'wpmu_welcome_notification' to disable or bypass.
+ *
+ * Filter 'update_welcome_email' and 'update_welcome_subject' to
+ * modify the content and subject line of the notification email.
+ *
+ * @since MU
+ *
+ * @param int $blog_id
+ * @param int $user_id
+ * @param string $password
+ * @param string $title The new blog's title
+ * @param array $meta Optional. Not used in the default function, but is passed along to hooks for customization.
+ * @return bool
+ */
+function wpmu_welcome_notification( $blog_id, $user_id, $password, $title, $meta = array() ) {
+ global $current_site;
+
+ if ( !apply_filters('wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta) )
+ return false;
+
+ $welcome_email = get_site_option( 'welcome_email' );
if ( $welcome_email == false )
- $welcome_email = stripslashes( __( 'Dear User,
+ $welcome_email = __( 'Dear User,
Your new SITE_NAME site has been successfully set up at:
BLOG_URL
You can log in to the administrator account with the following information:
Username: USERNAME
Password: PASSWORD
-Login Here: BLOG_URLwp-login.php
+Log in here: BLOG_URLwp-login.php
-We hope you enjoy your new site.
-Thanks!
+We hope you enjoy your new site. Thanks!
---The Team @ SITE_NAME' ) );
+--The Team @ SITE_NAME' );
$url = get_blogaddress_by_id($blog_id);
- $user = new WP_User($user_id);
+ $user = get_userdata( $user_id );
$welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
$welcome_email = str_replace( 'BLOG_TITLE', $title, $welcome_email );
$message = $welcome_email;
if ( empty( $current_site->site_name ) )
- $current_site->site_name = 'WordPress MU';
+ $current_site->site_name = 'WordPress';
- $subject = apply_filters( 'update_welcome_subject', sprintf(__('New %1$s Site: %2$s'), $current_site->site_name, stripslashes( $title ) ) );
+ $subject = apply_filters( 'update_welcome_subject', sprintf(__('New %1$s Site: %2$s'), $current_site->site_name, wp_unslash( $title ) ) );
wp_mail($user->user_email, $subject, $message, $message_headers);
return true;
}
-function wpmu_welcome_user_notification($user_id, $password, $meta = '') {
+/**
+ * Notify a user that her account activation has been successful.
+ *
+ * Filter 'wpmu_welcome_user_notification' to disable or bypass.
+ *
+ * Filter 'update_welcome_user_email' and 'update_welcome_user_subject' to
+ * modify the content and subject line of the notification email.
+ *
+ * @since MU
+ *
+ * @param int $user_id
+ * @param string $password
+ * @param array $meta Optional. Not used in the default function, but is passed along to hooks for customization.
+ * @return bool
+ */
+function wpmu_welcome_user_notification( $user_id, $password, $meta = array() ) {
global $current_site;
if ( !apply_filters('wpmu_welcome_user_notification', $user_id, $password, $meta) )
$welcome_email = get_site_option( 'welcome_user_email' );
- $user = new WP_User($user_id);
+ $user = get_userdata( $user_id );
$welcome_email = apply_filters( 'update_welcome_user_email', $welcome_email, $user_id, $password, $meta);
$welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
$message = $welcome_email;
if ( empty( $current_site->site_name ) )
- $current_site->site_name = 'WordPress MU';
+ $current_site->site_name = 'WordPress';
$subject = apply_filters( 'update_welcome_user_subject', sprintf(__('New %1$s User: %2$s'), $current_site->site_name, $user->user_login) );
wp_mail($user->user_email, $subject, $message, $message_headers);
return true;
}
+/**
+ * Get the current site info.
+ *
+ * Returns an object containing the 'id', 'domain', 'path', and 'site_name'
+ * properties of the site being viewed.
+ *
+ * @see wpmu_current_site()
+ *
+ * @since MU
+ *
+ * @return object
+ */
function get_current_site() {
global $current_site;
return $current_site;
}
-function get_user_id_from_string( $string ) {
- $user_id = 0;
- if ( is_email( $string ) ) {
- $user = get_user_by('email', $string);
- if ( $user )
- $user_id = $user->ID;
- } elseif ( is_numeric( $string ) ) {
- $user_id = $string;
- } else {
- $user = get_user_by('login', $string);
- if ( $user )
- $user_id = $user->ID;
- }
-
- return $user_id;
-}
-
+/**
+ * Get a user's most recent post.
+ *
+ * Walks through each of a user's blogs to find the post with
+ * the most recent post_date_gmt.
+ *
+ * @since MU
+ * @uses get_blogs_of_user()
+ *
+ * @param int $user_id
+ * @return array Contains the blog_id, post_id, post_date_gmt, and post_gmt_ts
+ */
function get_most_recent_post_of_user( $user_id ) {
global $wpdb;
// Walk through each blog and get the most recent post
// published by $user_id
foreach ( (array) $user_blogs as $blog ) {
- $recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$wpdb->base_prefix}{$blog->userblog_id}_posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
+ $prefix = $wpdb->get_blog_prefix( $blog->userblog_id );
+ $recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$prefix}posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
// Make sure we found a post
if ( isset($recent_post['ID']) ) {
return $most_recent_post;
}
-/* Misc functions */
+// Misc functions
+
+/**
+ * Get the size of a directory.
+ *
+ * A helper function that is used primarily to check whether
+ * a blog has exceeded its allowed upload space.
+ *
+ * @since MU
+ * @uses recurse_dirsize()
+ *
+ * @param string $directory
+ * @return int
+ */
function get_dirsize( $directory ) {
$dirsize = get_transient( 'dirsize_cache' );
if ( is_array( $dirsize ) && isset( $dirsize[ $directory ][ 'size' ] ) )
$dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory );
- set_transient( 'dirsize_cache', $dirsize, 3600 );
+ set_transient( 'dirsize_cache', $dirsize, HOUR_IN_SECONDS );
return $dirsize[ $directory ][ 'size' ];
}
+/**
+ * Get the size of a directory recursively.
+ *
+ * Used by get_dirsize() to get a directory's size when it contains
+ * other directories.
+ *
+ * @since MU
+ *
+ * @param string $directory
+ * @return int
+ */
function recurse_dirsize( $directory ) {
$size = 0;
- if ( substr( $directory, -1 ) == '/' )
- $directory = substr($directory,0,-1);
+ $directory = untrailingslashit( $directory );
if ( !file_exists($directory) || !is_dir( $directory ) || !is_readable( $directory ) )
return false;
return $size;
}
-function upload_is_user_over_quota( $echo = true ) {
- if ( get_site_option( 'upload_space_check_disabled' ) )
- return true;
-
- $spaceAllowed = get_space_allowed();
- if ( empty( $spaceAllowed ) || !is_numeric( $spaceAllowed ) )
- $spaceAllowed = 10; // Default space allowed is 10 MB
-
- $dirName = BLOGUPLOADDIR;
- $size = get_dirsize($dirName) / 1024 / 1024;
-
- if ( ($spaceAllowed-$size) < 0 ) {
- if ( $echo )
- _e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' ); // No space left
- return true;
- } else {
- return false;
- }
-}
-
+/**
+ * Check an array of MIME types against a whitelist.
+ *
+ * WordPress ships with a set of allowed upload filetypes,
+ * which is defined in wp-includes/functions.php in
+ * get_allowed_mime_types(). This function is used to filter
+ * that list against the filetype whitelist provided by Multisite
+ * Super Admins at wp-admin/network/settings.php.
+ *
+ * @since MU
+ *
+ * @param array $mimes
+ * @return array
+ */
function check_upload_mimes( $mimes ) {
$site_exts = explode( ' ', get_site_option( 'upload_filetypes' ) );
foreach ( $site_exts as $ext ) {
return $site_mimes;
}
+/**
+ * Update a blog's post count.
+ *
+ * WordPress MS stores a blog's post count as an option so as
+ * to avoid extraneous COUNTs when a blog's details are fetched
+ * with get_blog_details(). This function is called when posts
+ * are published to make sure the count stays current.
+ *
+ * @since MU
+ */
function update_posts_count( $deprecated = '' ) {
global $wpdb;
update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) );
}
+/**
+ * Logs user registrations.
+ *
+ * @since MU
+ *
+ * @param int $blog_id
+ * @param int $user_id
+ */
function wpmu_log_new_registrations( $blog_id, $user_id ) {
global $wpdb;
- $user = new WP_User( (int) $user_id );
- $wpdb->insert( $wpdb->registration_log, array('email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] ), 'blog_id' => $blog_id, 'date_registered' => current_time('mysql')) );
-}
-
-function fix_import_form_size( $size ) {
- if ( upload_is_user_over_quota( false ) == true )
- return 0;
-
- $spaceAllowed = 1024 * 1024 * get_space_allowed();
- $dirName = BLOGUPLOADDIR;
- $dirsize = get_dirsize($dirName) ;
- if ( $size > $spaceAllowed - $dirsize )
- return $spaceAllowed - $dirsize; // remaining space
- else
- return $size; // default
+ $user = get_userdata( (int) $user_id );
+ if ( $user )
+ $wpdb->insert( $wpdb->registration_log, array('email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '', wp_unslash( $_SERVER['REMOTE_ADDR'] ) ), 'blog_id' => $blog_id, 'date_registered' => current_time('mysql')) );
}
/**
return $global_id;
}
+/**
+ * Ensure that the current site's domain is listed in the allowed redirect host list.
+ *
+ * @see wp_validate_redirect()
+ * @since MU
+ *
+ * @return array The current site's domain
+ */
function redirect_this_site( $deprecated = '' ) {
global $current_site;
return array( $current_site->domain );
}
+/**
+ * Check whether an upload is too big.
+ *
+ * @since MU
+ *
+ * @param array $upload
+ * @return mixed If the upload is under the size limit, $upload is returned. Otherwise returns an error message.
+ */
function upload_is_file_too_big( $upload ) {
- if ( is_array( $upload ) == false || defined( 'WP_IMPORTING' ) )
+ if ( is_array( $upload ) == false || defined( 'WP_IMPORTING' ) || get_site_option( 'upload_space_check_disabled' ) )
return $upload;
if ( strlen( $upload['bits'] ) > ( 1024 * get_site_option( 'fileupload_maxk', 1500 ) ) )
return $upload;
}
-function wordpressmu_wp_mail_from( $email ) {
- if ( strpos( $email, 'wordpress@' ) !== false )
- $email = get_option( 'admin_email' );
- return $email;
-}
-
+/**
+ * Add a nonce field to the signup page.
+ *
+ * @since MU
+ * @uses wp_nonce_field()
+ */
function signup_nonce_fields() {
$id = mt_rand();
echo "<input type='hidden' name='signup_form_id' value='{$id}' />";
wp_nonce_field('signup_form_' . $id, '_signup_form', false);
}
+/**
+ * Process the signup nonce created in signup_nonce_fields().
+ *
+ * @since MU
+ * @uses wp_create_nonce()
+ *
+ * @param array $result
+ * @return array
+ */
function signup_nonce_check( $result ) {
if ( !strpos( $_SERVER[ 'PHP_SELF' ], 'wp-signup.php' ) )
return $result;
if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] )
- wp_die( __('Please try again!') );
+ wp_die( __( 'Please try again.' ) );
return $result;
}
+/**
+ * Correct 404 redirects when NOBLOGREDIRECT is defined.
+ *
+ * @since MU
+ */
function maybe_redirect_404() {
- global $current_site;
if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
if ( $destination == '%siteurl%' )
$destination = network_home_url();
}
}
+/**
+ * Add a new user to a blog by visiting /newbloguser/username/.
+ *
+ * This will only work when the user's details are saved as an option
+ * keyed as 'new_user_x', where 'x' is the username of the user to be
+ * added, as when a user is invited through the regular WP Add User interface.
+ *
+ * @since MU
+ * @uses add_existing_user_to_blog()
+ */
function maybe_add_existing_user_to_blog() {
if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) )
return false;
delete_option( 'new_user_' . $key );
if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) )
- wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), site_url() ) );
+ wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), home_url() ) );
- wp_die( sprintf(__('You have been added to this site. Please visit the <a href="%s">homepage</a> or <a href="%s">login</a> using your username and password.'), site_url(), admin_url() ), __('Success') );
+ wp_die( sprintf( __( 'You have been added to this site. Please visit the <a href="%s">homepage</a> or <a href="%s">log in</a> using your username and password.' ), home_url(), admin_url() ), __( 'WordPress › Success' ) );
}
+/**
+ * Add a user to a blog based on details from maybe_add_existing_user_to_blog().
+ *
+ * @since MU
+ * @uses add_user_to_blog()
+ *
+ * @param array $details
+ */
function add_existing_user_to_blog( $details = false ) {
+ global $blog_id;
+
if ( is_array( $details ) ) {
- $result = add_user_to_blog( '', $details[ 'user_id' ], $details[ 'role' ] );
+ $result = add_user_to_blog( $blog_id, $details[ 'user_id' ], $details[ 'role' ] );
do_action( 'added_existing_user', $details[ 'user_id' ], $result );
}
return $result;
}
-function add_new_user_to_blog( $user_id, $email, $meta ) {
+/**
+ * Add a newly created user to the appropriate blog
+ *
+ * To add a user in general, use add_user_to_blog(). This function
+ * is specifically hooked into the wpmu_activate_user action.
+ *
+ * @since MU
+ * @see add_user_to_blog()
+ *
+ * @param int $user_id
+ * @param mixed $password Ignored.
+ * @param array $meta
+ */
+function add_new_user_to_blog( $user_id, $password, $meta ) {
global $current_site;
- if ( $meta[ 'add_to_blog' ] ) {
+ if ( !empty( $meta[ 'add_to_blog' ] ) ) {
$blog_id = $meta[ 'add_to_blog' ];
$role = $meta[ 'new_role' ];
- remove_user_from_blog($user_id, $current_site->blogid); // remove user from main blog.
+ remove_user_from_blog($user_id, $current_site->blog_id); // remove user from main blog.
add_user_to_blog( $blog_id, $user_id, $role );
update_user_meta( $user_id, 'primary_blog', $blog_id );
}
}
+/**
+ * Correct From host on outgoing mail to match the site domain
+ *
+ * @since MU
+ */
function fix_phpmailer_messageid( $phpmailer ) {
global $current_site;
$phpmailer->Hostname = $current_site->domain;
}
-function is_user_spammy( $username = 0 ) {
- if ( $username == 0 ) {
- $user_id = get_current_user_id();
- } else {
- $user_id = get_user_id_from_string( $username );
+/**
+ * Check to see whether a user is marked as a spammer, based on user login.
+ *
+ * @since MU
+ * @uses get_user_by()
+ *
+ * @param string|WP_User $user Optional. Defaults to current user. WP_User object,
+ * or user login name as a string.
+ * @return bool
+ */
+function is_user_spammy( $user = null ) {
+ if ( ! is_a( $user, 'WP_User' ) ) {
+ if ( $user )
+ $user = get_user_by( 'login', $user );
+ else
+ $user = wp_get_current_user();
}
- $u = new WP_User( $user_id );
- return ( isset( $u->spam ) && $u->spam == 1 );
+ return $user && isset( $user->spam ) && 1 == $user->spam;
}
+/**
+ * Update this blog's 'public' setting in the global blogs table.
+ *
+ * Public blogs have a setting of 1, private blogs are 0.
+ *
+ * @since MU
+ * @uses update_blog_status()
+ *
+ * @param int $old_value
+ * @param int $value The new public value
+ * @return bool
+ */
function update_blog_public( $old_value, $value ) {
- global $wpdb;
- do_action('update_blog_public');
- update_blog_status( $wpdb->blogid, 'public', (int) $value );
+ update_blog_status( get_current_blog_id(), 'public', (int) $value );
}
add_action('update_option_blog_public', 'update_blog_public', 10, 2);
-/* Redirect all hits to "dashboard" blog to wp-admin/ Dashboard. */
-function redirect_mu_dashboard() {
- global $current_site, $current_blog;
-
- $dashboard_blog = get_dashboard_blog();
- if ( $current_blog->blog_id == $dashboard_blog->blog_id && $dashboard_blog->blog_id != $current_site->blog_id ) {
- $protocol = ( is_ssl() ? 'https://' : 'http://' );
- wp_redirect( $protocol . $dashboard_blog->domain . trailingslashit( $dashboard_blog->path ) . 'wp-admin/' );
- die();
- }
-}
-add_action( 'template_redirect', 'redirect_mu_dashboard' );
-
-function get_dashboard_blog() {
- if ( $blog = get_site_option( 'dashboard_blog' ) )
- return get_blog_details( $blog );
-
- return get_blog_details( $GLOBALS['current_site']->blog_id );
-}
-
+/**
+ * Check whether a usermeta key has to do with the current blog.
+ *
+ * @since MU
+ * @uses wp_get_current_user()
+ *
+ * @param string $key
+ * @param int $user_id Optional. Defaults to current user.
+ * @param int $blog_id Optional. Defaults to current blog.
+ * @return bool
+ */
function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
global $wpdb;
if ( $blog_id == 0 )
$blog_id = $wpdb->blogid;
- $local_key = $wpdb->base_prefix . $blog_id . '_' . $key;
+ $local_key = $wpdb->get_blog_prefix( $blog_id ) . $key;
if ( isset( $current_user->$local_key ) )
return true;
return false;
}
+/**
+ * Check whether users can self-register, based on Network settings.
+ *
+ * @since MU
+ *
+ * @return bool
+ */
function users_can_register_signup_filter() {
$registration = get_site_option('registration');
if ( $registration == 'all' || $registration == 'user' )
}
add_filter('option_users_can_register', 'users_can_register_signup_filter');
+/**
+ * Ensure that the welcome message is not empty. Currently unused.
+ *
+ * @since MU
+ *
+ * @param string $text
+ * @return string
+ */
function welcome_user_msg_filter( $text ) {
if ( !$text ) {
- return __( 'Dear User,
+ remove_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
+ $text = __( 'Dear User,
Your new account is set up.
Thanks!
--The Team @ SITE_NAME' );
+ update_site_option( 'welcome_user_email', $text );
}
return $text;
}
}
/**
- * Formats an String URL to use HTTPS if HTTP is found.
+ * Formats a URL to use https.
+ *
* Useful as a filter.
*
* @since 2.8.5
- **/
+ *
+ * @param string URL
+ * @return string URL with https as the scheme
+ */
function filter_SSL( $url ) {
- if ( !is_string( $url ) )
- return get_bloginfo( 'url' ); //return home blog url with proper scheme
+ if ( ! is_string( $url ) )
+ return get_bloginfo( 'url' ); // Return home blog url with proper scheme
+
+ if ( force_ssl_content() && is_ssl() )
+ $url = set_url_scheme( $url, 'https' );
+
+ return $url;
+}
+
+/**
+ * Schedule update of the network-wide counts for the current network.
+ *
+ * @since 3.1.0
+ */
+function wp_schedule_update_network_counts() {
+ if ( !is_main_site() )
+ return;
+
+ if ( !wp_next_scheduled('update_network_counts') && !defined('WP_INSTALLING') )
+ wp_schedule_event(time(), 'twicedaily', 'update_network_counts');
+}
+
+/**
+ * Update the network-wide counts for the current network.
+ *
+ * @since 3.1.0
+ */
+function wp_update_network_counts() {
+ wp_update_network_user_counts();
+ wp_update_network_site_counts();
+}
+
+/**
+ * Update the count of sites for the current network.
+ *
+ * If enabled through the 'enable_live_network_counts' filter, update the sites count
+ * on a network when a site is created or its status is updated.
+ *
+ * @since 3.7.0
+ *
+ * @uses wp_update_network_site_counts()
+ */
+function wp_maybe_update_network_site_counts() {
+ $is_small_network = ! wp_is_large_network( 'sites' );
+
+ /**
+ * Filter the decision to update network user and site counts in real time.
+ *
+ * @since 3.7.0
+ *
+ * @param bool $small_network Based on wp_is_large_network( $context ).
+ * @param string $context Context. Either 'users' or 'sites'.
+ */
+ if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) )
+ return;
+
+ wp_update_network_site_counts();
+}
+
+/**
+ * Update the network-wide users count.
+ *
+ * If enabled through the 'enable_live_network_counts' filter, update the users count
+ * on a network when a user is created or its status is updated.
+ *
+ * @since 3.7.0
+ *
+ * @uses wp_update_network_user_counts()
+ */
+function wp_maybe_update_network_user_counts() {
+ $is_small_network = ! wp_is_large_network( 'users' );
+
+ /**
+ * Filter the decision to update network user and site counts in real time.
+ *
+ * @since 3.7.0
+ *
+ * @param bool $small_network Based on wp_is_large_network( $context ).
+ * @param string $context Context. Either 'users' or 'sites'.
+ */
+ if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) )
+ return;
+
+ wp_update_network_user_counts();
+}
+
+/**
+ * Update the network-wide site count.
+ *
+ * @since 3.7.0
+ */
+function wp_update_network_site_counts() {
+ global $wpdb;
- $arrURL = parse_url( $url );
+ $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(blog_id) as c FROM $wpdb->blogs WHERE site_id = %d AND spam = '0' AND deleted = '0' and archived = '0'", $wpdb->siteid) );
+ update_site_option( 'blog_count', $count );
+}
- if ( force_ssl_content() && is_ssl() ) {
- if ( 'http' === $arrURL['scheme'] && 'https' !== $arrURL['scheme'] )
- $url = str_replace( $arrURL['scheme'], 'https', $url );
+/**
+ * Update the network-wide user count.
+ *
+ * @since 3.7.0
+ */
+function wp_update_network_user_counts() {
+ global $wpdb;
+
+ $count = $wpdb->get_var( "SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'" );
+ update_site_option( 'user_count', $count );
+}
+
+/**
+ * Returns the space used by the current blog.
+ *
+ * @since 3.5.0
+ *
+ * @return int Used space in megabytes
+ */
+function get_space_used() {
+ // Allow for an alternative way of tracking storage space used
+ $space_used = apply_filters( 'pre_get_space_used', false );
+ if ( false === $space_used ) {
+ $upload_dir = wp_upload_dir();
+ $space_used = get_dirsize( $upload_dir['basedir'] ) / 1024 / 1024;
}
- return $url;
+ return $space_used;
+}
+
+/**
+ * Returns the upload quota for the current blog.
+ *
+ * @since MU
+ *
+ * @return int Quota in megabytes
+ */
+function get_space_allowed() {
+ $space_allowed = get_option( 'blog_upload_space' );
+
+ if ( ! is_numeric( $space_allowed ) )
+ $space_allowed = get_site_option( 'blog_upload_space' );
+
+ if ( empty( $space_allowed ) || ! is_numeric( $space_allowed ) )
+ $space_allowed = 100;
+
+ return apply_filters( 'get_space_allowed', $space_allowed );
+}
+
+/**
+ * Determines if there is any upload space left in the current blog's quota.
+ *
+ * @since 3.0.0
+ *
+ * @return int of upload space available in bytes
+ */
+function get_upload_space_available() {
+ $space_allowed = get_space_allowed() * 1024 * 1024;
+ if ( get_site_option( 'upload_space_check_disabled' ) )
+ return $space_allowed;
+
+ $space_used = get_space_used() * 1024 * 1024;
+
+ if ( ( $space_allowed - $space_used ) <= 0 )
+ return 0;
+
+ return $space_allowed - $space_used;
+}
+
+/**
+ * Determines if there is any upload space left in the current blog's quota.
+ *
+ * @since 3.0.0
+ * @return bool True if space is available, false otherwise.
+ */
+function is_upload_space_available() {
+ if ( get_site_option( 'upload_space_check_disabled' ) )
+ return true;
+
+ return (bool) get_upload_space_available();
+}
+
+/**
+ * @since 3.0.0
+ *
+ * @return int of upload size limit in bytes
+ */
+function upload_size_limit_filter( $size ) {
+ $fileupload_maxk = 1024 * get_site_option( 'fileupload_maxk', 1500 );
+ if ( get_site_option( 'upload_space_check_disabled' ) )
+ return min( $size, $fileupload_maxk );
+
+ return min( $size, $fileupload_maxk, get_upload_space_available() );
}
-?>
+/**
+ * Whether or not we have a large network.
+ *
+ * The default criteria for a large network is either more than 10,000 users or more than 10,000 sites.
+ * Plugins can alter this criteria using the 'wp_is_large_network' filter.
+ *
+ * @since 3.3.0
+ * @param string $using 'sites or 'users'. Default is 'sites'.
+ * @return bool True if the network meets the criteria for large. False otherwise.
+ */
+function wp_is_large_network( $using = 'sites' ) {
+ if ( 'users' == $using ) {
+ $count = get_user_count();
+ return apply_filters( 'wp_is_large_network', $count > 10000, 'users', $count );
+ }
+
+ $count = get_blog_count();
+ return apply_filters( 'wp_is_large_network', $count > 10000, 'sites', $count );
+}
+
+
+/**
+ * Return an array of sites for a network or networks.
+ *
+ * @since 3.7.0
+ *
+ * @param array $args {
+ * Array of default arguments. Optional.
+ *
+ * @type int|array $network_id A network ID or array of network IDs. Set to null to retrieve sites
+ * from all networks. Defaults to current network ID.
+ * @type int $public Retrieve public or non-public sites. Default null, for any.
+ * @type int $archived Retrieve archived or non-archived sites. Default null, for any.
+ * @type int $mature Retrieve mature or non-mature sites. Default null, for any.
+ * @type int $spam Retrieve spam or non-spam sites. Default null, for any.
+ * @type int $deleted Retrieve deleted or non-deleted sites. Default null, for any.
+ * @type int $limit Number of sites to limit the query to. Default 100.
+ * @type int $offset Exclude the first x sites. Used in combination with the $limit parameter. Default 0.
+ * }
+ * @return array An empty array if the install is considered "large" via wp_is_large_network(). Otherwise,
+ * an associative array of site data arrays, each containing the site (network) ID, blog ID,
+ * site domain and path, dates registered and modified, and the language ID. Also, boolean
+ * values for whether the site is public, archived, mature, spam, and/or deleted.
+ */
+function wp_get_sites( $args = array() ) {
+ global $wpdb;
+
+ if ( wp_is_large_network() )
+ return array();
+
+ $defaults = array(
+ 'network_id' => $wpdb->siteid,
+ 'public' => null,
+ 'archived' => null,
+ 'mature' => null,
+ 'spam' => null,
+ 'deleted' => null,
+ 'limit' => 100,
+ 'offset' => 0,
+ );
+
+ $args = wp_parse_args( $args, $defaults );
+
+ $query = "SELECT * FROM $wpdb->blogs WHERE 1=1 ";
+
+ if ( isset( $args['network_id'] ) && ( is_array( $args['network_id'] ) || is_numeric( $args['network_id'] ) ) ) {
+ $network_ids = implode( ',', wp_parse_id_list( $args['network_id'] ) );
+ $query .= "AND site_id IN ($network_ids) ";
+ }
+
+ if ( isset( $args['public'] ) )
+ $query .= $wpdb->prepare( "AND public = %d ", $args['public'] );
+
+ if ( isset( $args['archived'] ) )
+ $query .= $wpdb->prepare( "AND archived = %d ", $args['archived'] );
+
+ if ( isset( $args['mature'] ) )
+ $query .= $wpdb->prepare( "AND mature = %d ", $args['mature'] );
+
+ if ( isset( $args['spam'] ) )
+ $query .= $wpdb->prepare( "AND spam = %d ", $args['spam'] );
+
+ if ( isset( $args['deleted'] ) )
+ $query .= $wpdb->prepare( "AND deleted = %d ", $args['deleted'] );
+
+ if ( isset( $args['limit'] ) && $args['limit'] ) {
+ if ( isset( $args['offset'] ) && $args['offset'] )
+ $query .= $wpdb->prepare( "LIMIT %d , %d ", $args['offset'], $args['limit'] );
+ else
+ $query .= $wpdb->prepare( "LIMIT %d ", $args['limit'] );
+ }
+
+ $site_results = $wpdb->get_results( $query, ARRAY_A );
+
+ return $site_results;
+}