1 files changed, 202 insertions, 0 deletions
diff --git a/wp-admin/includes/mu.php b/wp-admin/includes/mu.php
new file mode 100644
index 0000000..8599860
--- /dev/null
+++ b/wp-admin/includes/mu.php
@@ -0,0 +1,202 @@
+<?php
+
+function wpmu_delete_blog($blog_id, $drop = false) {
+	global $wpdb, $wpmuBaseTablePrefix;
+
+	if ( $blog_id != $wpdb->blogid ) {
+		$switch = true;
+		switch_to_blog($blog_id);	
+	}
+
+	do_action('delete_blog', $blog_id, $drop);
+
+	$users = get_users_of_blog($blog_id);
+
+	// Remove users from this blog.
+	if ( !empty($users) ) foreach ($users as $user) {
+		remove_user_from_blog($user->user_id, $blog_id);
+	}
+
+	update_blog_status( $wpdb->blogid, 'deleted', 1 );
+
+	if ( $drop ) {
+		$drop_tables = array( $wpmuBaseTablePrefix . $blog_id . "_categories",
+		$wpmuBaseTablePrefix . $blog_id . "_comments",
+		$wpmuBaseTablePrefix . $blog_id . "_linkcategories",
+		$wpmuBaseTablePrefix . $blog_id . "_links",
+		$wpmuBaseTablePrefix . $blog_id . "_link2cat",
+		$wpmuBaseTablePrefix . $blog_id . "_options",
+		$wpmuBaseTablePrefix . $blog_id . "_post2cat",
+		$wpmuBaseTablePrefix . $blog_id . "_postmeta",
+		$wpmuBaseTablePrefix . $blog_id . "_posts",
+		$wpmuBaseTablePrefix . $blog_id . "_referer_visitLog",
+		$wpmuBaseTablePrefix . $blog_id . "_referer_blacklist" );
+		reset( $drop_tables );
+
+		foreach ($drop_tables as $drop_table)
+			$wpdb->query( "DROP TABLE IF EXISTS $drop_table" );
+
+		$wpdb->query( "DELETE FROM $wpdb->blogs WHERE blog_id = '$blog_id'" );
+		$dir = constant( "ABSPATH" ) . "wp-content/blogs.dir/" . $blog_id ."/files/";
+		$dir = rtrim($dir, DIRECTORY_SEPARATOR);
+		$top_dir = $dir;
+		$stack = array($dir);
+		$index = 0;
+
+		while ($index < count($stack)) {
+			# Get indexed directory from stack
+			$dir = $stack[$index];
+
+			$dh = @ opendir($dir);
+			if ($dh) {
+				while (($file = @ readdir($dh)) !== false) {
+					if ($file == '.' or $file == '..')
+						continue;
+
+					if (@ is_dir($dir . DIRECTORY_SEPARATOR . $file))
+						$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
+					else if (@ is_file($dir . DIRECTORY_SEPARATOR . $file))
+						@ unlink($dir . DIRECTORY_SEPARATOR . $file);
+				}
+			}
+			$index++;
+		}
+
+		$stack = array_reverse($stack);  // Last added dirs are deepest
+		foreach($stack as $dir) {
+			if ( $dir != $top_dir)
+			@ rmdir($dir);
+		}
+	}
+	$wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key='wp_{$blog_id}_autosave_draft_ids'");
+
+	if ( $switch )
+		restore_current_blog();
+}
+
+function update_blog_public($old_value, $value) {
+	global $wpdb;
+	$value = (int) $value;
+	do_action('update_blog_public');
+	update_blog_status( $wpdb->blogid, 'public', $value );
+}
+
+add_action('update_option_blog_public', 'update_blog_public', 10, 2);
+
+function wpmu_delete_user($id) {
+	global $wpdb;
+
+	$id = (int) $id;
+	$user = get_userdata($id);
+
+	do_action('wpmu_delete_user', $id);
+
+	$blogs = get_blogs_of_user($id);
+
+	if ( ! empty($blogs) ) foreach ($blogs as $blog) {
+		switch_to_blog($blog->userblog_id);
+		remove_user_from_blog($id, $blog->userblog_id);
+
+		$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
+
+		if ($post_ids) {
+			foreach ($post_ids as $post_id)
+				wp_delete_post($post_id);
+		}
+
+		// Clean links
+		$wpdb->query("DELETE FROM $wpdb->links WHERE link_owner = $id");
+
+		restore_current_blog();
+	}
+
+	$wpdb->query("DELETE FROM $wpdb->users WHERE ID = $id");
+	$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$id'");
+
+	wp_cache_delete($id, 'users');
+	wp_cache_delete($user->user_login, 'userlogins');
+
+	return true;
+}
+
+function wpmu_get_blog_allowedthemes( $blog_id = 0 ) {
+	$themes = get_themes();
+	if( $blog_id == 0 )
+		$blog_allowed_themes = get_option( "allowedthemes" );
+	else 
+		$blog_allowed_themes = get_blog_option( $blog_id, "allowedthemes" );
+	if( !is_array( $blog_allowed_themes ) || empty( $blog_allowed_themes ) ) { // convert old allowed_themes to new allowedthemes
+		if( $blog_id == 0 )
+			$blog_allowed_themes = get_option( "allowed_themes" );
+		else 
+			$blog_allowed_themes = get_blog_option( $blog_id, "allowed_themes" );
+		if( is_array( $blog_allowed_themes ) ) {
+			foreach( $themes as $key => $theme ) {
+				$theme_key = wp_specialchars( $theme[ 'Stylesheet' ] );
+				if( isset( $blog_allowed_themes[ $key ] ) == true ) {
+					$blog_allowedthemes[ $theme_key ] = 1;
+				}
+			}
+			$blog_allowed_themes = $blog_allowedthemes;
+			if( $blog_id == 0 ) {
+				add_option( "allowedthemes", $blog_allowed_themes );
+				delete_option( "allowed_themes" );
+			} else {
+				add_blog_option( $blog_id, "allowedthemes", $blog_allowed_themes );
+				delete_blog_option( $blog_id, "allowed_themes" );
+			}
+		}
+	}
+	return $blog_allowed_themes;
+}
+
+function update_option_new_admin_email($old_value, $value) {
+	if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
+		return;
+
+	$hash = md5( $value.time().mt_rand() );
+	$newadminemail = array( 
+		"hash" => $hash,
+		"newemail" => $value
+	);
+	update_option( 'adminhash', $newadminemail );
+	
+	$content = __("Dear user,\n\n
+You recently requested to have the administration email address on 
+your blog changed.\n
+If this is correct, please click on the following link to change it:\n
+###ADMIN_URL###\n\n
+You can safely ignore and delete this email if you do not want to take this action.\n\n
+This email has been sent to ###EMAIL###\n\n
+Regards,\n
+The Webmaster");
+	
+	$content = str_replace('###ADMIN_URL###', get_option( "siteurl" ).'/wp-admin/options.php?adminhash='.$hash, $content);
+	$content = str_replace('###EMAIL###', $value, $content);
+	
+	wp_mail( $value, sprintf(__('[%s] New Admin Email Address'), get_option('blogname')), $content );
+}			
+
+add_action('update_option_new_admin_email', 'update_option_new_admin_email', 10, 2);
+
+function get_site_allowed_themes() {
+	$themes = get_themes();
+	$allowed_themes = get_site_option( 'allowedthemes' );
+	if( !is_array( $allowed_themes ) || empty( $allowed_themes ) ) {
+		$allowed_themes = get_site_option( "allowed_themes" ); // convert old allowed_themes format
+		if( !is_array( $allowed_themes ) ) {
+			$allowed_themes = array();
+		} else {
+			foreach( $themes as $key => $theme ) {
+				$theme_key = wp_specialchars( $theme[ 'Stylesheet' ] );
+				if( isset( $allowed_themes[ $key ] ) == true ) {
+					$allowedthemes[ $theme_key ] = 1;
+				}
+			}
+			$allowed_themes = $allowedthemes;
+		}
+	}
+
+	return $allowed_themes;
+}
+?>