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;
}
function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
global $wpdb;
if ( ! $sitedomain )
$site_id = $wpdb->siteid;
else
$site_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path ) );
if ( $site_id )
return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $site_id ), ARRAY_A );
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
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;
}
$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' );
} else {
$details = 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 );
}
if ( ( is_object( $details ) == false ) || ( is_object( $details ) && $details->archived == 1 || $details->spam == 1 || $details->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 ) {
foreach ( (array) $blogs as $blog_id => $blog ) {
if ( $blog->site_id != $wpdb->siteid )
continue;
$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 ) {
update_user_meta( $user_id, 'primary_blog', $blog_id );
$changed = true;
}
if ( !get_user_meta($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 $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;
}
$blogs = get_blogs_of_user( $user_id );
if ( is_array( $blogs ) )
return array_key_exists( $blog_id, $blogs );
else
return false;
}
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;
}
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' );
return $count;
}
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' );
}
return $post;
}
function add_user_to_blog( $blog_id, $user_id, $role ) {
switch_to_blog($blog_id);
$user = new WP_User($user_id);
if ( empty($user) || !$user->ID )
return new WP_Error('user_does_not_exist', __('That user does not exist.'));
if ( !get_user_meta($user_id, 'primary_blog', true) ) {
update_user_meta($user_id, 'primary_blog', $blog_id);
$details = get_blog_details($blog_id);
update_user_meta($user_id, 'source_domain', $details->domain);
}
$user->set_role($role);
do_action('add_user_to_blog', $user_id, $role, $blog_id);
wp_cache_delete( $user_id, 'users' );
restore_current_blog();
return true;
}
function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
global $wpdb;
switch_to_blog($blog_id);
$user_id = (int) $user_id;
do_action('remove_user_from_blog', $user_id, $blog_id);
// If being removed from the primary blog, set a new primary if the user is assigned
// to multiple blogs.
$primary_blog = get_user_meta($user_id, 'primary_blog', true);
if ( $primary_blog == $blog_id ) {
$new_id = '';
$new_domain = '';
$blogs = get_blogs_of_user($user_id);
foreach ( (array) $blogs as $blog ) {
if ( $blog->userblog_id == $blog_id )
continue;
$new_id = $blog->userblog_id;
$new_domain = $blog->domain;
break;
}
update_user_meta($user_id, 'primary_blog', $new_id);
update_user_meta($user_id, 'source_domain', $new_domain);
}
// wp_revoke_user($user_id);
$user = new WP_User($user_id);
$user->remove_all_caps();
$blogs = get_blogs_of_user($user_id);
if ( count($blogs) == 0 ) {
update_user_meta($user_id, 'primary_blog', '');
update_user_meta($user_id, 'source_domain', '');
}
if ( $reassign != '' ) {
$reassign = (int) $reassign;
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id) );
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id) );
}
restore_current_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.' );
// Need to backup 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, $site_id) )
return __( 'Error: problem creating site entry.' );
switch_to_blog($blog_id);
install_blog($blog_id);
restore_current_blog();
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 );
}
return $link;
}
function get_blog_id_from_url( $domain, $path = '/' ) {
global $wpdb;
$domain = strtolower( $wpdb->escape( $domain ) );
$path = strtolower( $wpdb->escape( $path ) );
$id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
if ( $id == -1 ) { // blog does not exist
return 0;
} elseif ( $id ) {
return (int)$id;
}
$id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs WHERE domain = '$domain' and path = '$path' /* get_blog_id_from_url */" );
if ( !$id ) {
wp_cache_set( md5( $domain . $path ), -1, 'blog-id-cache' );
return false;
}
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'];
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;
}
function is_blog_user( $blog_id = 0 ) {
global $wpdb;
$current_user = wp_get_current_user();
if ( !$blog_id )
$blog_id = $wpdb->blogid;
$cap_key = $wpdb->base_prefix . $blog_id . '_capabilities';
if ( is_array($current_user->$cap_key) && in_array(1, $current_user->$cap_key) )
return true;
return false;
}
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 ( 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, $email_domain )
)
)
return true;
}
}
return false;
}
function wpmu_validate_user_signup($user_name, $user_email) {
global $wpdb;
$errors = new WP_Error();
$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" ) );
$user_name = $orig_username;
}
$user_email = sanitize_email( $user_email );
if ( empty( $user_name ) )
$errors->add('user_name', __('Please enter a username'));
$illegal_names = get_site_option( 'illegal_names' );
if ( is_array( $illegal_names ) == false ) {
$illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
add_site_option( 'illegal_names', $illegal_names );
}
if ( in_array( $user_name, $illegal_names ) == true )
$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'));
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 )
$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'));
$limited_email_domains = get_site_option( 'limited_email_domains' );
if ( is_array( $limited_email_domains ) && empty( $limited_email_domains ) == false ) {
$emaildomain = substr( $user_email, 1 + strpos( $user_email, '@' ) );
if ( in_array( $emaildomain, $limited_email_domains ) == false )
$errors->add('user_email', __('Sorry, that email address is not allowed!'));
}
// Check if the username has been used already.
if ( username_exists($user_name) )
$errors->add('user_name', __('Sorry, that username already exists!'));
// Check if the email address has been used already.
if ( email_exists($user_email) )
$errors->add('user_email', __('Sorry, that email address is already used!'));
// Has someone already signed up for this username?
$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
if ( $signup != null ) {
$registered_at = mysql2date('U', $signup->registered);
$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) );
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) );
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.'));
}
$result = array('user_name' => $user_name, 'orig_username' => $orig_username, 'user_email' => $user_email, 'errors' => $errors);
return apply_filters('wpmu_validate_user_signup', $result);
}
function wpmu_validate_blog_signup($blogname, $blog_title, $user = '') {
global $wpdb, $domain, $base, $current_site;
$blog_title = strip_tags( $blog_title );
$blog_title = substr( $blog_title, 0, 50 );
$errors = new WP_Error();
$illegal_names = get_site_option( 'illegal_names' );
if ( $illegal_names == false ) {
$illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
add_site_option( 'illegal_names', $illegal_names );
}
// On sub dir installs, Some names are so illegal, only a filter can spring them from jail
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'));
$maybe = array();
preg_match( '/[a-z0-9]+/', $blogname, $maybe );
if ( $blogname != $maybe[0] )
$errors->add('blogname', __('Only lowercase letters and numbers allowed'));
if ( in_array( $blogname, $illegal_names ) == true )
$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'));
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.
if ( !is_subdomain_install() && $wpdb->get_var( $wpdb->prepare( "SELECT post_name FROM " . $wpdb->get_blog_prefix( $current_site->blog_id ) . "posts WHERE post_type = 'page' AND post_name = %s", $blogname ) ) )
$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 )
$errors->add('blogname', __('Sorry, site names must have letters too!'));
$blogname = apply_filters( 'newblogname', $blogname );
$blog_title = stripslashes( $blog_title );
if ( empty( $blog_title ) )
$errors->add('blog_title', __('Please enter a site title'));
// Check if the domain/path has been used already.
if ( is_subdomain_install() ) {
$mydomain = $blogname . '.' . preg_replace( '|^www\.|', '', $domain );
$path = $base;
} else {
$mydomain = "$domain";
$path = $base.$blogname.'/';
}
if ( domain_exists($mydomain, $path) )
$errors->add('blogname', __('Sorry, that site already exists!'));
if ( username_exists( $blogname ) ) {
if ( is_object( $user ) == false || ( is_object($user) && ( $user->user_login != $blogname ) ) )
$errors->add( 'blogname', __( 'Sorry, that site is reserved!' ) );
}
// Has someone already signed up for this domain?
$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); // TODO: Check email too?
if ( ! empty($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) );
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);
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 = '') {
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,
'path' => $path,
'title' => $title,
'user_login' => $user,
'user_email' => $user_email,
'registered' => current_time('mysql', true),
'activation_key' => $key,
'meta' => $meta
) );
wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta);
}
function wpmu_signup_user($user, $user_email, $meta = '') {
global $wpdb;
// Format data
$user = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
$user_email = sanitize_email( $user_email );
$key = substr( md5( time() . rand() . $user_email ), 0, 16 );
$meta = serialize($meta);
$wpdb->insert( $wpdb->signups, array(
'domain' => '',
'path' => '',
'title' => '',
'user_login' => $user,
'user_email' => $user_email,
'registered' => current_time('mysql', true),
'activation_key' => $key,
'meta' => $meta
) );
wpmu_signup_user_notification($user, $user_email, $key, $meta);
}
// Notify user of signup success.
function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') {
global $current_site;
if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) )
return false;
// Send email with activation link.
if ( !is_subdomain_install() || $current_site->id != 1 )
$activate_url = network_site_url("wp-activate.php?key=$key");
else
$activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
$activate_url = esc_url($activate_url);
$admin_email = get_site_option( 'admin_email' );
if ( $admin_email == '' )
$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 );
// 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 . $path ) );
wp_mail($user_email, $subject, $message, $message_headers);
return true;
}
function wpmu_signup_user_notification($user, $user_email, $key, $meta = '') {
if ( !apply_filters('wpmu_signup_user_notification', $user, $user_email, $key, $meta) )
return false;
// Send email with activation link.
$admin_email = get_site_option( 'admin_email' );
if ( $admin_email == '' )
$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 );
// TODO: Don't hard code activation link.
$subject = sprintf( __( apply_filters( 'wpmu_signup_user_notification_subject', '[%1$s] Activate %2$s' ) ), $from_name, $user);
wp_mail($user_email, $subject, $message, $message_headers);
return true;
}
function wpmu_activate_signup($key) {
global $wpdb, $current_site;
$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 ( $signup->active )
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();
$user_id = username_exists($user_login);
if ( ! $user_id )
$user_id = wpmu_create_user($user_login, $password, $user_email);
else
$user_already_exists = true;
if ( ! $user_id )
return new WP_Error('create_user', __('Could not create user'), $signup);
$now = current_time('mysql', true);
if ( empty($signup->domain) ) {
$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
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);
}
$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.
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 $blog_id;
}
$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
wpmu_welcome_notification($blog_id, $user_id, $password, $signup->title, $meta);
do_action('wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta);
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) {
$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) )
return false;
// Newly created users have no roles or caps until they are added to a blog.
delete_user_option( $user_id, 'capabilities' );
delete_user_option( $user_id, 'user_level' );
do_action( 'wpmu_new_user', $user_id );
return $user_id;
}
function wpmu_create_blog($domain, $path, $title, $user_id, $meta = '', $site_id = 1) {
$domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
if ( is_subdomain_install() )
$domain = str_replace( '@', '', $domain );
$title = strip_tags( $title );
$user_id = (int) $user_id;
if ( empty($path) )
$path = '/';
// Check if the domain has been used already. We should return an error message.
if ( domain_exists($domain, $path, $site_id) )
return new WP_Error('blog_taken', __('Site already exists.'));
if ( !defined('WP_INSTALLING') )
define( 'WP_INSTALLING', true );
if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
return new WP_Error('insert_blog', __('Could not create site.'));
switch_to_blog($blog_id);
install_blog($blog_id, $title);
wp_install_defaults($user_id);
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' )
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'] );
if ( !is_super_admin() && get_user_meta( $user_id, 'primary_blog', true ) == get_site_option( 'dashboard_blog', 1 ) )
update_user_meta( $user_id, 'primary_blog', $blog_id );
restore_current_blog();
do_action( 'wpmu_new_blog', $blog_id, $user_id, $domain, $path, $site_id, $meta );
return $blog_id;
}
function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
if ( get_site_option( 'registrationnotification' ) != 'yes' )
return false;
$email = get_site_option( 'admin_email' );
if ( is_email($email) == false )
return false;
$options_site_url = esc_url(network_admin_url('ms-options.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
Disable these notifications: %4s' ), $blogname, $siteurl, $_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;
}
function newuser_notify_siteadmin( $user_id ) {
if ( get_site_option( 'registrationnotification' ) != 'yes' )
return false;
$email = get_site_option( 'admin_email' );
if ( is_email($email) == false )
return false;
$user = new WP_User($user_id);
$options_site_url = esc_url(network_admin_url('ms-options.php'));
$msg = sprintf(__('New User: %1s
Remote IP: %2s
Disable these notifications: %3s'), $user->user_login, $_SERVER['REMOTE_ADDR'], $options_site_url);
$msg = apply_filters( 'newuser_notify_siteadmin', $msg );
wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
return true;
}
function domain_exists($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, $site_id) );
}
function insert_blog($domain, $path, $site_id) {
global $wpdb;
$path = trailingslashit($path);
$site_id = (int) $site_id;
$result = $wpdb->insert( $wpdb->blogs, array('site_id' => $site_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')) );
if ( ! $result )
return false;
refresh_blog_details($wpdb->insert_id);
return $wpdb->insert_id;
}
// Install an empty blog. wpdb should already be switched.
function install_blog($blog_id, $blog_title = '') {
global $wpdb, $table_prefix, $wp_roles;
$wpdb->suppress_errors();
// 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(__('Already Installed
You appear to have already installed WordPress. To reinstall please clear your old database tables first.
') . '