3 * Multi-site WordPress API
6 * @subpackage Multisite
10 function get_sitestats() {
13 $stats['blogs'] = get_blog_count();
15 $count_ts = get_site_option( 'user_count_ts' );
16 if ( time() - $count_ts > 3600 ) {
17 $count = $wpdb->get_var( "SELECT COUNT(ID) FROM $wpdb->users" );
18 update_site_option( 'user_count', $count );
19 update_site_option( 'user_count_ts', time() );
21 $count = get_site_option( 'user_count' );
23 $stats['users'] = $count;
27 function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
31 $site_id = $wpdb->siteid;
33 $site_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path ) );
36 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 );
41 function get_blogs_of_user( $id, $all = false ) {
44 $cache_suffix = $all ? '_all' : '_short';
45 $return = wp_cache_get( 'blogs_of_user_' . $id . $cache_suffix, 'users' );
47 return apply_filters( 'get_blogs_of_user', $return, $id, $all );
49 $user = get_userdata( (int) $id );
53 $blogs = $match = array();
54 $prefix_length = strlen($wpdb->base_prefix);
55 foreach ( (array) $user as $key => $value ) {
56 if ( $prefix_length && substr($key, 0, $prefix_length) != $wpdb->base_prefix )
58 if ( substr($key, -12, 12) != 'capabilities' )
60 if ( preg_match( '/^' . $wpdb->base_prefix . '((\d+)_)?capabilities$/', $key, $match ) ) {
61 if ( count( $match ) > 2 )
62 $blog_id = $match[ 2 ];
65 $blog = get_blog_details( $blog_id );
66 if ( $blog && isset( $blog->domain ) && ( $all == true || $all == false && ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
67 $blogs[ $blog_id ]->userblog_id = $blog_id;
68 $blogs[ $blog_id ]->blogname = $blog->blogname;
69 $blogs[ $blog_id ]->domain = $blog->domain;
70 $blogs[ $blog_id ]->path = $blog->path;
71 $blogs[ $blog_id ]->site_id = $blog->site_id;
72 $blogs[ $blog_id ]->siteurl = $blog->siteurl;
77 wp_cache_add( 'blogs_of_user_' . $id . $cache_suffix, $blogs, 'users', 5 );
78 return apply_filters( 'get_blogs_of_user', $blogs, $id, $all );
81 function get_active_blog_for_user( $user_id ) { // get an active blog for user - either primary blog or from blogs list
83 $blogs = get_blogs_of_user( $user_id );
84 if ( empty( $blogs ) ) {
85 $details = get_dashboard_blog();
86 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
87 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
88 wp_cache_delete( $user_id, 'users' );
92 $primary_blog = get_user_meta( $user_id, 'primary_blog', true );
93 $details = get_dashboard_blog();
94 if ( $primary_blog ) {
95 $blogs = get_blogs_of_user( $user_id );
96 if ( isset( $blogs[ $primary_blog ] ) == false ) {
97 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
98 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
99 wp_cache_delete( $user_id, 'users' );
101 $details = get_blog_details( $primary_blog );
104 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
105 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
108 if ( ( is_object( $details ) == false ) || ( is_object( $details ) && $details->archived == 1 || $details->spam == 1 || $details->deleted == 1 ) ) {
109 $blogs = get_blogs_of_user( $user_id, true ); // if a user's primary blog is shut down, check their other blogs.
111 if ( is_array( $blogs ) && count( $blogs ) > 0 ) {
112 foreach ( (array) $blogs as $blog_id => $blog ) {
113 if ( $blog->site_id != $wpdb->siteid )
115 $details = get_blog_details( $blog_id );
116 if ( is_object( $details ) && $details->archived == 0 && $details->spam == 0 && $details->deleted == 0 ) {
119 if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id ) {
120 update_user_meta( $user_id, 'primary_blog', $blog_id );
123 if ( !get_user_meta($user_id , 'source_domain', true) ) {
124 update_user_meta( $user_id, 'source_domain', $blog->domain );
128 wp_cache_delete( $user_id, 'users' );
133 // Should never get here
134 $dashboard_blog = get_dashboard_blog();
135 add_user_to_blog( $dashboard_blog->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
136 update_user_meta( $user_id, 'primary_blog', $dashboard_blog->blog_id );
137 return $dashboard_blog;
145 function is_user_member_of_blog( $user_id, $blog_id = 0 ) {
146 $user_id = (int) $user_id;
147 $blog_id = (int) $blog_id;
149 if ( $blog_id == 0 ) {
151 $blog_id = $wpdb->blogid;
154 $blogs = get_blogs_of_user( $user_id );
155 if ( is_array( $blogs ) )
156 return array_key_exists( $blog_id, $blogs );
161 function get_user_count() {
164 $count_ts = get_site_option( 'user_count_ts' );
165 if ( time() - $count_ts > 3600 ) {
166 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'") );
167 update_site_option( 'user_count', $count );
168 update_site_option( 'user_count_ts', time() );
171 $count = get_site_option( 'user_count' );
176 function get_blog_count( $id = 0 ) {
182 $count_ts = get_site_option( 'blog_count_ts' );
183 if ( time() - $count_ts > 3600 ) {
184 $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) );
185 update_site_option( 'blog_count', $count );
186 update_site_option( 'blog_count_ts', time() );
189 $count = get_site_option( 'blog_count' );
194 function get_blog_post( $blog_id, $post_id ) {
197 $key = $blog_id . '-' . $post_id;
198 $post = wp_cache_get( $key, 'global-posts' );
199 if ( $post == false ) {
200 $post = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM ' . $wpdb->get_blog_prefix( $blog_id ) . 'posts WHERE ID = %d', $post_id ) );
201 wp_cache_add( $key, $post, 'global-posts' );
207 function add_user_to_blog( $blog_id, $user_id, $role ) {
208 switch_to_blog($blog_id);
210 $user = new WP_User($user_id);
212 if ( empty($user) || !$user->ID )
213 return new WP_Error('user_does_not_exist', __('That user does not exist.'));
215 if ( !get_user_meta($user_id, 'primary_blog', true) ) {
216 update_user_meta($user_id, 'primary_blog', $blog_id);
217 $details = get_blog_details($blog_id);
218 update_user_meta($user_id, 'source_domain', $details->domain);
221 $user->set_role($role);
223 do_action('add_user_to_blog', $user_id, $role, $blog_id);
224 wp_cache_delete( $user_id, 'users' );
225 restore_current_blog();
229 function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
231 switch_to_blog($blog_id);
232 $user_id = (int) $user_id;
233 do_action('remove_user_from_blog', $user_id, $blog_id);
235 // If being removed from the primary blog, set a new primary if the user is assigned
236 // to multiple blogs.
237 $primary_blog = get_user_meta($user_id, 'primary_blog', true);
238 if ( $primary_blog == $blog_id ) {
241 $blogs = get_blogs_of_user($user_id);
242 foreach ( (array) $blogs as $blog ) {
243 if ( $blog->userblog_id == $blog_id )
245 $new_id = $blog->userblog_id;
246 $new_domain = $blog->domain;
250 update_user_meta($user_id, 'primary_blog', $new_id);
251 update_user_meta($user_id, 'source_domain', $new_domain);
254 // wp_revoke_user($user_id);
255 $user = new WP_User($user_id);
256 $user->remove_all_caps();
258 $blogs = get_blogs_of_user($user_id);
259 if ( count($blogs) == 0 ) {
260 update_user_meta($user_id, 'primary_blog', '');
261 update_user_meta($user_id, 'source_domain', '');
264 if ( $reassign != '' ) {
265 $reassign = (int) $reassign;
266 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id) );
267 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id) );
270 restore_current_blog();
273 function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
274 $domain = addslashes( $domain );
275 $weblog_title = addslashes( $weblog_title );
280 // Check if the domain has been used already. We should return an error message.
281 if ( domain_exists($domain, $path, $site_id) )
282 return __( 'Error: Site URL already taken.' );
284 // Need to backup wpdb table names, and create a new wp_blogs entry for new blog.
285 // Need to get blog_id from wp_blogs, and create new table names.
286 // Must restore table names at the end of function.
288 if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
289 return __( 'Error: problem creating site entry.' );
291 switch_to_blog($blog_id);
292 install_blog($blog_id);
293 restore_current_blog();
298 function get_blog_permalink( $_blog_id, $post_id ) {
299 $key = "{$_blog_id}-{$post_id}-blog_permalink";
300 $link = wp_cache_get( $key, 'site-options' );
301 if ( $link == false ) {
302 switch_to_blog( $_blog_id );
303 $link = get_permalink( $post_id );
304 restore_current_blog();
305 wp_cache_add( $key, $link, 'site-options', 360 );
310 function get_blog_id_from_url( $domain, $path = '/' ) {
313 $domain = strtolower( $wpdb->escape( $domain ) );
314 $path = strtolower( $wpdb->escape( $path ) );
315 $id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
317 if ( $id == -1 ) { // blog does not exist
323 $id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs WHERE domain = '$domain' and path = '$path' /* get_blog_id_from_url */" );
326 wp_cache_set( md5( $domain . $path ), -1, 'blog-id-cache' );
329 wp_cache_set( md5( $domain . $path ), $id, 'blog-id-cache' );
334 // wpmu admin functions
336 function wpmu_admin_do_redirect( $url = '' ) {
338 if ( isset( $_GET['ref'] ) )
340 if ( isset( $_POST['ref'] ) )
341 $ref = $_POST['ref'];
344 $ref = wpmu_admin_redirect_add_updated_param( $ref );
348 if ( empty( $_SERVER['HTTP_REFERER'] ) == false ) {
349 wp_redirect( $_SERVER['HTTP_REFERER'] );
353 $url = wpmu_admin_redirect_add_updated_param( $url );
354 if ( isset( $_GET['redirect'] ) ) {
355 if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
356 $url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
357 } elseif ( isset( $_POST['redirect'] ) ) {
358 $url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
364 function wpmu_admin_redirect_add_updated_param( $url = '' ) {
365 if ( strpos( $url, 'updated=true' ) === false ) {
366 if ( strpos( $url, '?' ) === false )
367 return $url . '?updated=true';
369 return $url . '&updated=true';
374 function is_blog_user( $blog_id = 0 ) {
375 global $current_user, $wpdb;
378 $blog_id = $wpdb->blogid;
380 $cap_key = $wpdb->base_prefix . $blog_id . '_capabilities';
382 if ( is_array($current_user->$cap_key) && in_array(1, $current_user->$cap_key) )
388 function is_email_address_unsafe( $user_email ) {
389 $banned_names = get_site_option( 'banned_email_domains' );
390 if ($banned_names && !is_array( $banned_names ))
391 $banned_names = explode( "\n", $banned_names);
393 if ( is_array( $banned_names ) && empty( $banned_names ) == false ) {
394 $email_domain = strtolower( substr( $user_email, 1 + strpos( $user_email, '@' ) ) );
395 foreach ( (array) $banned_names as $banned_domain ) {
396 if ( $banned_domain == '' )
399 strstr( $email_domain, $banned_domain ) ||
401 strstr( $banned_domain, '/' ) &&
402 preg_match( $banned_domain, $email_domain )
411 function wpmu_validate_user_signup($user_name, $user_email) {
414 $errors = new WP_Error();
416 $orig_username = $user_name;
417 $user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
419 preg_match( '/[a-z0-9]+/', $user_name, $maybe );
421 if ( $user_name != $orig_username || $user_name != $maybe[0] ) {
422 $errors->add( 'user_name', __( "Only the lowercase letters a-z and numbers allowed" ) );
423 $user_name = $orig_username;
426 $user_email = sanitize_email( $user_email );
428 if ( empty( $user_name ) )
429 $errors->add('user_name', __('Please enter a username'));
431 $illegal_names = get_site_option( 'illegal_names' );
432 if ( is_array( $illegal_names ) == false ) {
433 $illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
434 add_site_option( 'illegal_names', $illegal_names );
436 if ( in_array( $user_name, $illegal_names ) == true )
437 $errors->add('user_name', __('That username is not allowed'));
439 if ( is_email_address_unsafe( $user_email ) )
440 $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.'));
442 if ( strlen( $user_name ) < 4 )
443 $errors->add('user_name', __('Username must be at least 4 characters'));
445 if ( strpos( ' ' . $user_name, '_' ) != false )
446 $errors->add( 'user_name', __( 'Sorry, usernames may not contain the character “_”!' ) );
450 preg_match( '/[0-9]*/', $user_name, $match );
451 if ( $match[0] == $user_name )
452 $errors->add('user_name', __('Sorry, usernames must have letters too!'));
454 if ( !is_email( $user_email ) )
455 $errors->add('user_email', __('Please enter a correct email address'));
457 $limited_email_domains = get_site_option( 'limited_email_domains' );
458 if ( is_array( $limited_email_domains ) && empty( $limited_email_domains ) == false ) {
459 $emaildomain = substr( $user_email, 1 + strpos( $user_email, '@' ) );
460 if ( in_array( $emaildomain, $limited_email_domains ) == false )
461 $errors->add('user_email', __('Sorry, that email address is not allowed!'));
464 // Check if the username has been used already.
465 if ( username_exists($user_name) )
466 $errors->add('user_name', __('Sorry, that username already exists!'));
468 // Check if the email address has been used already.
469 if ( email_exists($user_email) )
470 $errors->add('user_email', __('Sorry, that email address is already used!'));
472 // Has someone already signed up for this username?
473 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
474 if ( $signup != null ) {
475 $registered_at = mysql2date('U', $signup->registered);
476 $now = current_time( 'timestamp', true );
477 $diff = $now - $registered_at;
478 // If registered more than two days ago, cancel registration and let this signup go through.
479 if ( $diff > 172800 )
480 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_login = %s", $user_name) );
482 $errors->add('user_name', __('That username is currently reserved but may be available in a couple of days.'));
484 if ( $signup->active == 0 && $signup->user_email == $user_email )
485 $errors->add('user_email_used', __('username and email used'));
488 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email) );
489 if ( $signup != null ) {
490 $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
491 // If registered more than two days ago, cancel registration and let this signup go through.
492 if ( $diff > 172800 )
493 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_email = %s", $user_email) );
495 $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.'));
498 $result = array('user_name' => $user_name, 'orig_username' => $orig_username, 'user_email' => $user_email, 'errors' => $errors);
500 return apply_filters('wpmu_validate_user_signup', $result);
503 function wpmu_validate_blog_signup($blogname, $blog_title, $user = '') {
504 global $wpdb, $domain, $base, $current_site;
506 $blog_title = strip_tags( $blog_title );
507 $blog_title = substr( $blog_title, 0, 50 );
509 $errors = new WP_Error();
510 $illegal_names = get_site_option( 'illegal_names' );
511 if ( $illegal_names == false ) {
512 $illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
513 add_site_option( 'illegal_names', $illegal_names );
516 // On sub dir installs, Some names are so illegal, only a filter can spring them from jail
517 if (! is_subdomain_install() )
518 $illegal_names = array_merge($illegal_names, apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) ) );
521 if ( empty( $blogname ) )
522 $errors->add('blogname', __('Please enter a site name'));
525 preg_match( '/[a-z0-9]+/', $blogname, $maybe );
526 if ( $blogname != $maybe[0] )
527 $errors->add('blogname', __('Only lowercase letters and numbers allowed'));
529 if ( in_array( $blogname, $illegal_names ) == true )
530 $errors->add('blogname', __('That name is not allowed'));
532 if ( strlen( $blogname ) < 4 && !is_super_admin() )
533 $errors->add('blogname', __('Site name must be at least 4 characters'));
535 if ( strpos( ' ' . $blogname, '_' ) != false )
536 $errors->add( 'blogname', __( 'Sorry, site names may not contain the character “_”!' ) );
538 // do not allow users to create a blog that conflicts with a page on the main blog.
539 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 ) ) )
540 $errors->add( 'blogname', __( 'Sorry, you may not use that site name.' ) );
544 preg_match( '/[0-9]*/', $blogname, $match );
545 if ( $match[0] == $blogname )
546 $errors->add('blogname', __('Sorry, site names must have letters too!'));
548 $blogname = apply_filters( 'newblogname', $blogname );
550 $blog_title = stripslashes( $blog_title );
552 if ( empty( $blog_title ) )
553 $errors->add('blog_title', __('Please enter a site title'));
555 // Check if the domain/path has been used already.
556 if ( is_subdomain_install() ) {
557 $mydomain = $blogname . '.' . preg_replace( '|^www\.|', '', $domain );
560 $mydomain = "$domain";
561 $path = $base.$blogname.'/';
563 if ( domain_exists($mydomain, $path) )
564 $errors->add('blogname', __('Sorry, that site already exists!'));
566 if ( username_exists( $blogname ) ) {
567 if ( is_object( $user ) == false || ( is_object($user) && ( $user->user_login != $blogname ) ) )
568 $errors->add( 'blogname', __( 'Sorry, that site is reserved!' ) );
571 // Has someone already signed up for this domain?
572 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); // TODO: Check email too?
573 if ( ! empty($signup) ) {
574 $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
575 // If registered more than two days ago, cancel registration and let this signup go through.
576 if ( $diff > 172800 )
577 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) );
579 $errors->add('blogname', __('That site is currently reserved but may be available in a couple days.'));
582 $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors);
583 return apply_filters('wpmu_validate_blog_signup', $result);
586 // Record signup information for future activation. wpmu_validate_signup() should be run
587 // on the inputs before calling wpmu_signup().
588 function wpmu_signup_blog($domain, $path, $title, $user, $user_email, $meta = '') {
591 $key = substr( md5( time() . rand() . $domain ), 0, 16 );
592 $meta = serialize($meta);
593 $domain = $wpdb->escape($domain);
594 $path = $wpdb->escape($path);
595 $title = $wpdb->escape($title);
597 $wpdb->insert( $wpdb->signups, array(
601 'user_login' => $user,
602 'user_email' => $user_email,
603 'registered' => current_time('mysql', true),
604 'activation_key' => $key,
608 wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta);
611 function wpmu_signup_user($user, $user_email, $meta = '') {
615 $user = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
616 $user_email = sanitize_email( $user_email );
617 $key = substr( md5( time() . rand() . $user_email ), 0, 16 );
618 $meta = serialize($meta);
620 $wpdb->insert( $wpdb->signups, array(
624 'user_login' => $user,
625 'user_email' => $user_email,
626 'registered' => current_time('mysql', true),
627 'activation_key' => $key,
631 wpmu_signup_user_notification($user, $user_email, $key, $meta);
634 // Notify user of signup success.
635 function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') {
636 global $current_site;
638 if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) )
641 // Send email with activation link.
642 if ( !is_subdomain_install() || $current_site->id != 1 )
643 $activate_url = network_site_url("wp-activate.php?key=$key");
645 $activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
647 $activate_url = esc_url($activate_url);
648 $admin_email = get_site_option( 'admin_email' );
649 if ( $admin_email == '' )
650 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
651 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
652 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
653 $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 );
654 // TODO: Don't hard code activation link.
655 $subject = sprintf( apply_filters( 'wpmu_signup_blog_notification_subject', __( '[%1s] Activate %2s' ) ), $from_name, esc_url( 'http://' . $domain . $path ) );
656 wp_mail($user_email, $subject, $message, $message_headers);
660 function wpmu_signup_user_notification($user, $user_email, $key, $meta = '') {
661 if ( !apply_filters('wpmu_signup_user_notification', $user, $user_email, $key, $meta) )
664 // Send email with activation link.
665 $admin_email = get_site_option( 'admin_email' );
666 if ( $admin_email == '' )
667 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
668 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
669 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
670 $message = sprintf( apply_filters( 'wpmu_signup_user_notification_email', __( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\n" ) ), site_url( "wp-activate.php?key=$key" ), $key );
671 // TODO: Don't hard code activation link.
672 $subject = sprintf( __( apply_filters( 'wpmu_signup_user_notification_subject', '[%1s] Activate %2s' ) ), $from_name, $user);
673 wp_mail($user_email, $subject, $message, $message_headers);
677 function wpmu_activate_signup($key) {
678 global $wpdb, $current_site;
680 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );
682 if ( empty($signup) )
683 return new WP_Error('invalid_key', __('Invalid activation key.'));
685 if ( $signup->active )
686 return new WP_Error('already_active', __('The site is already active.'), $signup);
688 $meta = unserialize($signup->meta);
689 $user_login = $wpdb->escape($signup->user_login);
690 $user_email = $wpdb->escape($signup->user_email);
691 $password = wp_generate_password();
693 $user_id = username_exists($user_login);
696 $user_id = wpmu_create_user($user_login, $password, $user_email);
698 $user_already_exists = true;
701 return new WP_Error('create_user', __('Could not create user'), $signup);
703 $now = current_time('mysql', true);
705 if ( empty($signup->domain) ) {
706 $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
708 if ( isset( $user_already_exists ) )
709 return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);
711 wpmu_welcome_user_notification($user_id, $password, $meta);
712 $user_site = get_site_option( 'dashboard_blog', $current_site->blog_id );
714 if ( $user_site == false )
715 add_user_to_blog( '1', $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
717 add_user_to_blog( $user_site, $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
719 add_new_user_to_blog( $user_id, $user_email, $meta );
720 do_action('wpmu_activate_user', $user_id, $password, $meta);
721 return array('user_id' => $user_id, 'password' => $password, 'meta' => $meta);
724 $blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid );
726 // TODO: What to do if we create a user but cannot create a blog?
727 if ( is_wp_error($blog_id) ) {
728 // If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and
729 // setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
730 if ( 'blog_taken' == $blog_id->get_error_code() ) {
731 $blog_id->add_data( $signup );
732 $wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );
737 $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
738 wpmu_welcome_notification($blog_id, $user_id, $password, $signup->title, $meta);
739 do_action('wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta);
741 return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);
744 function wpmu_create_user( $user_name, $password, $email) {
745 $user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
747 $user_id = wp_create_user( $user_name, $password, $email );
748 if ( is_wp_error($user_id) )
751 // Newly created users have no roles or caps until they are added to a blog.
752 delete_user_option( $user_id, 'capabilities' );
753 delete_user_option( $user_id, 'user_level' );
755 do_action( 'wpmu_new_user', $user_id );
760 function wpmu_create_blog($domain, $path, $title, $user_id, $meta = '', $site_id = 1) {
761 $domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
763 if ( is_subdomain_install() )
764 $domain = str_replace( '@', '', $domain );
766 $title = strip_tags( $title );
767 $user_id = (int) $user_id;
772 // Check if the domain has been used already. We should return an error message.
773 if ( domain_exists($domain, $path, $site_id) )
774 return new WP_Error('blog_taken', __('Site already exists.'));
776 if ( !defined('WP_INSTALLING') )
777 define( 'WP_INSTALLING', true );
779 if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
780 return new WP_Error('insert_blog', __('Could not create site.'));
782 switch_to_blog($blog_id);
783 install_blog($blog_id, $title);
784 wp_install_defaults($user_id);
786 add_user_to_blog($blog_id, $user_id, 'administrator');
788 if ( is_array($meta) ) foreach ($meta as $key => $value) {
789 if ( $key == 'public' || $key == 'archived' || $key == 'mature' || $key == 'spam' || $key == 'deleted' || $key == 'lang_id' )
790 update_blog_status( $blog_id, $key, $value );
792 update_option( $key, $value );
795 add_option( 'WPLANG', get_site_option( 'WPLANG' ) );
796 update_option( 'blog_public', (int)$meta['public'] );
798 if ( !is_super_admin() && get_user_meta( $user_id, 'primary_blog', true ) == get_site_option( 'dashboard_blog', 1 ) )
799 update_user_meta( $user_id, 'primary_blog', $blog_id );
801 restore_current_blog();
802 do_action( 'wpmu_new_blog', $blog_id, $user_id, $domain, $path, $site_id, $meta );
807 function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
808 if ( get_site_option( 'registrationnotification' ) != 'yes' )
811 $email = get_site_option( 'admin_email' );
812 if ( is_email($email) == false )
815 $options_site_url = esc_url(network_admin_url('ms-options.php'));
817 switch_to_blog( $blog_id );
818 $blogname = get_option( 'blogname' );
819 $siteurl = site_url();
820 restore_current_blog();
822 $msg = sprintf( __( 'New Site: %1s
826 Disable these notifications: %4s' ), $blogname, $siteurl, $_SERVER['REMOTE_ADDR'], $options_site_url);
827 $msg = apply_filters( 'newblog_notify_siteadmin', $msg );
829 wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg );
833 function newuser_notify_siteadmin( $user_id ) {
834 if ( get_site_option( 'registrationnotification' ) != 'yes' )
837 $email = get_site_option( 'admin_email' );
839 if ( is_email($email) == false )
842 $user = new WP_User($user_id);
844 $options_site_url = esc_url(network_admin_url('ms-options.php'));
845 $msg = sprintf(__('New User: %1s
848 Disable these notifications: %3s'), $user->user_login, $_SERVER['REMOTE_ADDR'], $options_site_url);
850 $msg = apply_filters( 'newuser_notify_siteadmin', $msg );
851 wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
855 function domain_exists($domain, $path, $site_id = 1) {
857 return $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s AND site_id = %d", $domain, $path, $site_id) );
860 function insert_blog($domain, $path, $site_id) {
863 $path = trailingslashit($path);
864 $site_id = (int) $site_id;
866 $result = $wpdb->insert( $wpdb->blogs, array('site_id' => $site_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')) );
870 refresh_blog_details($wpdb->insert_id);
871 return $wpdb->insert_id;
874 // Install an empty blog. wpdb should already be switched.
875 function install_blog($blog_id, $blog_title = '') {
876 global $wpdb, $table_prefix, $wp_roles;
877 $wpdb->suppress_errors();
880 $blog_id = (int) $blog_id;
882 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
884 if ( $wpdb->get_results("SELECT ID FROM $wpdb->posts") )
885 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>');
887 $wpdb->suppress_errors(false);
889 $url = get_blogaddress_by_id($blog_id);
892 make_db_current_silent();
898 update_option('siteurl', $url);
899 update_option('home', $url);
900 update_option('fileupload_url', $url . "files" );
901 update_option('upload_path', "wp-content/blogs.dir/" . $blog_id . "/files");
902 update_option('blogname', stripslashes( $blog_title ) );
903 update_option('admin_email', '');
904 $wpdb->update( $wpdb->options, array('option_value' => ''), array('option_name' => 'admin_email') );
907 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'user_level') );
908 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'capabilities') );
910 $wpdb->suppress_errors( false );
913 // Deprecated, use wp_install_defaults()
914 // should be switched already as $blog_id is ignored.
915 function install_blog_defaults($blog_id, $user_id) {
918 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
920 $wpdb->suppress_errors();
922 wp_install_defaults($user_id);
924 $wpdb->suppress_errors( false );
927 function wpmu_welcome_notification($blog_id, $user_id, $password, $title, $meta = '') {
928 global $current_site;
930 if ( !apply_filters('wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta) )
933 $welcome_email = stripslashes( get_site_option( 'welcome_email' ) );
934 if ( $welcome_email == false )
935 $welcome_email = stripslashes( __( 'Dear User,
937 Your new SITE_NAME site has been successfully set up at:
940 You can log in to the administrator account with the following information:
943 Login Here: BLOG_URLwp-login.php
945 We hope you enjoy your new site.
948 --The Team @ SITE_NAME' ) );
950 $url = get_blogaddress_by_id($blog_id);
951 $user = new WP_User($user_id);
953 $welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
954 $welcome_email = str_replace( 'BLOG_TITLE', $title, $welcome_email );
955 $welcome_email = str_replace( 'BLOG_URL', $url, $welcome_email );
956 $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
957 $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
959 $welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta);
960 $admin_email = get_site_option( 'admin_email' );
962 if ( $admin_email == '' )
963 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
965 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
966 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
967 $message = $welcome_email;
969 if ( empty( $current_site->site_name ) )
970 $current_site->site_name = 'WordPress MU';
972 $subject = apply_filters( 'update_welcome_subject', sprintf(__('New %1$s Site: %2$s'), $current_site->site_name, stripslashes( $title ) ) );
973 wp_mail($user->user_email, $subject, $message, $message_headers);
977 function wpmu_welcome_user_notification($user_id, $password, $meta = '') {
978 global $current_site;
980 if ( !apply_filters('wpmu_welcome_user_notification', $user_id, $password, $meta) )
983 $welcome_email = get_site_option( 'welcome_user_email' );
985 $user = new WP_User($user_id);
987 $welcome_email = apply_filters( 'update_welcome_user_email', $welcome_email, $user_id, $password, $meta);
988 $welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
989 $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
990 $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
991 $welcome_email = str_replace( 'LOGINLINK', wp_login_url(), $welcome_email );
993 $admin_email = get_site_option( 'admin_email' );
995 if ( $admin_email == '' )
996 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
998 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
999 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
1000 $message = $welcome_email;
1002 if ( empty( $current_site->site_name ) )
1003 $current_site->site_name = 'WordPress MU';
1005 $subject = apply_filters( 'update_welcome_user_subject', sprintf(__('New %1$s User: %2$s'), $current_site->site_name, $user->user_login) );
1006 wp_mail($user->user_email, $subject, $message, $message_headers);
1010 function get_current_site() {
1011 global $current_site;
1012 return $current_site;
1015 function get_user_id_from_string( $string ) {
1017 if ( is_email( $string ) ) {
1018 $user = get_user_by('email', $string);
1020 $user_id = $user->ID;
1021 } elseif ( is_numeric( $string ) ) {
1024 $user = get_user_by('login', $string);
1026 $user_id = $user->ID;
1032 function get_most_recent_post_of_user( $user_id ) {
1035 $user_blogs = get_blogs_of_user( (int) $user_id );
1036 $most_recent_post = array();
1038 // Walk through each blog and get the most recent post
1039 // published by $user_id
1040 foreach ( (array) $user_blogs as $blog ) {
1041 $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", $user_id ), ARRAY_A);
1043 // Make sure we found a post
1044 if ( isset($recent_post['ID']) ) {
1045 $post_gmt_ts = strtotime($recent_post['post_date_gmt']);
1047 // If this is the first post checked or if this post is
1048 // newer than the current recent post, make it the new
1049 // most recent post.
1050 if ( !isset($most_recent_post['post_gmt_ts']) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) {
1051 $most_recent_post = array(
1052 'blog_id' => $blog->userblog_id,
1053 'post_id' => $recent_post['ID'],
1054 'post_date_gmt' => $recent_post['post_date_gmt'],
1055 'post_gmt_ts' => $post_gmt_ts
1061 return $most_recent_post;
1064 /* Misc functions */
1065 function get_dirsize( $directory ) {
1066 $dirsize = get_transient( 'dirsize_cache' );
1067 if ( is_array( $dirsize ) && isset( $dirsize[ $directory ][ 'size' ] ) )
1068 return $dirsize[ $directory ][ 'size' ];
1070 if ( false == is_array( $dirsize ) )
1073 $dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory );
1075 set_transient( 'dirsize_cache', $dirsize, 3600 );
1076 return $dirsize[ $directory ][ 'size' ];
1079 function recurse_dirsize( $directory ) {
1082 if ( substr( $directory, -1 ) == '/' )
1083 $directory = substr($directory,0,-1);
1085 if ( !file_exists($directory) || !is_dir( $directory ) || !is_readable( $directory ) )
1088 if ($handle = opendir($directory)) {
1089 while(($file = readdir($handle)) !== false) {
1090 $path = $directory.'/'.$file;
1091 if ($file != '.' && $file != '..') {
1092 if (is_file($path)) {
1093 $size += filesize($path);
1094 } elseif (is_dir($path)) {
1095 $handlesize = recurse_dirsize($path);
1096 if ($handlesize > 0)
1097 $size += $handlesize;
1106 function upload_is_user_over_quota( $echo = true ) {
1107 if ( get_site_option( 'upload_space_check_disabled' ) )
1110 $spaceAllowed = get_space_allowed();
1111 if ( empty( $spaceAllowed ) || !is_numeric( $spaceAllowed ) )
1112 $spaceAllowed = 10; // Default space allowed is 10 MB
1114 $dirName = BLOGUPLOADDIR;
1115 $size = get_dirsize($dirName) / 1024 / 1024;
1117 if ( ($spaceAllowed-$size) < 0 ) {
1119 _e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' ); // No space left
1126 function check_upload_mimes( $mimes ) {
1127 $site_exts = explode( ' ', get_site_option( 'upload_filetypes' ) );
1128 foreach ( $site_exts as $ext ) {
1129 foreach ( $mimes as $ext_pattern => $mime ) {
1130 if ( $ext != '' && strpos( $ext_pattern, $ext ) !== false )
1131 $site_mimes[$ext_pattern] = $mime;
1137 function update_posts_count( $deprecated = '' ) {
1139 update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) );
1142 function wpmu_log_new_registrations( $blog_id, $user_id ) {
1144 $user = new WP_User( (int) $user_id );
1145 $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')) );
1148 function fix_import_form_size( $size ) {
1149 if ( upload_is_user_over_quota( false ) == true )
1152 $spaceAllowed = 1024 * 1024 * get_space_allowed();
1153 $dirName = BLOGUPLOADDIR;
1154 $dirsize = get_dirsize($dirName) ;
1155 if ( $size > $spaceAllowed - $dirsize )
1156 return $spaceAllowed - $dirsize; // remaining space
1158 return $size; // default
1162 * Maintains a canonical list of terms by syncing terms created for each blog with the global terms table.
1166 * @see term_id_filter
1168 * @param int $term_id An ID for a term on the current blog.
1169 * @return int An ID from the global terms table mapped from $term_id.
1171 function global_terms( $term_id, $deprecated = '' ) {
1173 static $global_terms_recurse = null;
1175 if ( !global_terms_enabled() )
1178 // prevent a race condition
1179 $recurse_start = false;
1180 if ( $global_terms_recurse === null ) {
1181 $recurse_start = true;
1182 $global_terms_recurse = 1;
1183 } elseif ( 10 < $global_terms_recurse++ ) {
1187 $term_id = intval( $term_id );
1188 $c = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->terms WHERE term_id = %d", $term_id ) );
1190 $global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE category_nicename = %s", $c->slug ) );
1191 if ( $global_id == null ) {
1192 $used_global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE cat_ID = %d", $c->term_id ) );
1193 if ( null == $used_global_id ) {
1194 $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $term_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
1195 $global_id = $wpdb->insert_id;
1196 if ( empty( $global_id ) )
1199 $max_global_id = $wpdb->get_var( "SELECT MAX(cat_ID) FROM $wpdb->sitecategories" );
1200 $max_local_id = $wpdb->get_var( "SELECT MAX(term_id) FROM $wpdb->terms" );
1201 $new_global_id = max( $max_global_id, $max_local_id ) + mt_rand( 100, 400 );
1202 $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $new_global_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
1203 $global_id = $wpdb->insert_id;
1205 } elseif ( $global_id != $term_id ) {
1206 $local_id = $wpdb->get_row( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE term_id = %d", $global_id ) );
1207 if ( null != $local_id )
1208 $local_id = global_terms( $local_id );
1209 if ( 10 < $global_terms_recurse )
1210 $global_id = $term_id;
1213 if ( $global_id != $term_id ) {
1214 if ( get_option( 'default_category' ) == $term_id )
1215 update_option( 'default_category', $global_id );
1217 $wpdb->update( $wpdb->terms, array('term_id' => $global_id), array('term_id' => $term_id) );
1218 $wpdb->update( $wpdb->term_taxonomy, array('term_id' => $global_id), array('term_id' => $term_id) );
1219 $wpdb->update( $wpdb->term_taxonomy, array('parent' => $global_id), array('parent' => $term_id) );
1221 clean_term_cache($term_id);
1223 if( $recurse_start )
1224 $global_terms_recurse = null;
1229 function redirect_this_site( $deprecated = '' ) {
1230 global $current_site;
1231 return array( $current_site->domain );
1234 function upload_is_file_too_big( $upload ) {
1235 if ( is_array( $upload ) == false || defined( 'WP_IMPORTING' ) )
1238 if ( strlen( $upload['bits'] ) > ( 1024 * get_site_option( 'fileupload_maxk', 1500 ) ) )
1239 return sprintf( __( 'This file is too big. Files must be less than %d KB in size.' ) . '<br />', get_site_option( 'fileupload_maxk', 1500 ));
1244 function wordpressmu_wp_mail_from( $email ) {
1245 if ( strpos( $email, 'wordpress@' ) !== false )
1246 $email = get_option( 'admin_email' );
1250 function signup_nonce_fields() {
1252 echo "<input type='hidden' name='signup_form_id' value='{$id}' />";
1253 wp_nonce_field('signup_form_' . $id, '_signup_form', false);
1256 function signup_nonce_check( $result ) {
1257 if ( !strpos( $_SERVER[ 'PHP_SELF' ], 'wp-signup.php' ) )
1260 if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] )
1261 wp_die( __('Please try again!') );
1266 function maybe_redirect_404() {
1267 global $current_site;
1268 if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
1269 if ( $destination == '%siteurl%' )
1270 $destination = network_home_url();
1271 wp_redirect( $destination );
1276 function maybe_add_existing_user_to_blog() {
1277 if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) )
1280 $parts = explode( '/', $_SERVER[ 'REQUEST_URI' ] );
1281 $key = array_pop( $parts );
1284 $key = array_pop( $parts );
1286 $details = get_option( 'new_user_' . $key );
1287 if ( !empty( $details ) )
1288 delete_option( 'new_user_' . $key );
1290 if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) )
1291 wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), site_url() ) );
1293 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') );
1296 function add_existing_user_to_blog( $details = false ) {
1297 if ( is_array( $details ) ) {
1298 $result = add_user_to_blog( '', $details[ 'user_id' ], $details[ 'role' ] );
1299 do_action( 'added_existing_user', $details[ 'user_id' ], $result );
1304 function add_new_user_to_blog( $user_id, $email, $meta ) {
1305 global $current_site;
1306 if ( $meta[ 'add_to_blog' ] ) {
1307 $blog_id = $meta[ 'add_to_blog' ];
1308 $role = $meta[ 'new_role' ];
1309 remove_user_from_blog($user_id, $current_site->blogid); // remove user from main blog.
1310 add_user_to_blog( $blog_id, $user_id, $role );
1311 update_user_meta( $user_id, 'primary_blog', $blog_id );
1315 function fix_phpmailer_messageid( $phpmailer ) {
1316 global $current_site;
1317 $phpmailer->Hostname = $current_site->domain;
1320 function is_user_spammy( $username = 0 ) {
1321 if ( $username == 0 ) {
1322 global $current_user;
1323 $user_id = $current_user->ID;
1325 $user_id = get_user_id_from_string( $username );
1327 $u = new WP_User( $user_id );
1329 if ( $u->spam == 1 )
1335 function update_blog_public( $old_value, $value ) {
1337 do_action('update_blog_public');
1338 update_blog_status( $wpdb->blogid, 'public', (int) $value );
1340 add_action('update_option_blog_public', 'update_blog_public', 10, 2);
1342 /* Redirect all hits to "dashboard" blog to wp-admin/ Dashboard. */
1343 function redirect_mu_dashboard() {
1344 global $current_site, $current_blog;
1346 $dashboard_blog = get_dashboard_blog();
1347 if ( $current_blog->blog_id == $dashboard_blog->blog_id && $dashboard_blog->blog_id != $current_site->blog_id ) {
1348 $protocol = ( is_ssl() ? 'https://' : 'http://' );
1349 wp_redirect( $protocol . $dashboard_blog->domain . trailingslashit( $dashboard_blog->path ) . 'wp-admin/' );
1353 add_action( 'template_redirect', 'redirect_mu_dashboard' );
1355 function get_dashboard_blog() {
1356 if ( $blog = get_site_option( 'dashboard_blog' ) )
1357 return get_blog_details( $blog );
1359 return get_blog_details( $GLOBALS['current_site']->blog_id );
1362 function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
1363 global $current_user, $wpdb;
1365 if ( $user_id == 0 )
1366 $user_id = $current_user->ID;
1367 if ( $blog_id == 0 )
1368 $blog_id = $wpdb->blogid;
1370 $local_key = $wpdb->base_prefix . $blog_id . '_' . $key;
1372 if ( isset( $current_user->$local_key ) )
1378 function users_can_register_signup_filter() {
1379 $registration = get_site_option('registration');
1380 if ( $registration == 'all' || $registration == 'user' )
1385 add_filter('option_users_can_register', 'users_can_register_signup_filter');
1387 function welcome_user_msg_filter( $text ) {
1389 return __( 'Dear User,
1391 Your new account is set up.
1393 You can log in with the following information:
1400 --The Team @ SITE_NAME' );
1404 add_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
1407 * Whether to force SSL on content.
1411 * @param string|bool $force
1412 * @return bool True if forced, false if not forced.
1414 function force_ssl_content( $force = '' ) {
1415 static $forced_content;
1417 if ( '' != $force ) {
1418 $old_forced = $forced_content;
1419 $forced_content = $force;
1423 return $forced_content;
1427 * Formats an String URL to use HTTPS if HTTP is found.
1428 * Useful as a filter.
1432 function filter_SSL( $url ) {
1433 if ( !is_string( $url ) )
1434 return get_bloginfo( 'url' ); //return home blog url with proper scheme
1436 $arrURL = parse_url( $url );
1438 if ( force_ssl_content() && is_ssl() ) {
1439 if ( 'http' === $arrURL['scheme'] && 'https' !== $arrURL['scheme'] )
1440 $url = str_replace( $arrURL['scheme'], 'https', $url );