add %i macro to get domain from identity

CHANGELOG

@@ -1,6 +1,8 @@
 Roundcube Webmail GlobalAddressbook
 ===================================
 
+ * Add %i macro to get domain from default identity
+
 Version 1.9 (2014-08-31, rc-1.0)
 =================================================
  * Replace globaladdressbook_readonly option with globaladdressbook_perms

config.inc.php.dist

@@ -7,6 +7,7 @@
 // the name of the dummy user which holds the global address book, if the user does not exist it will be created
 // the name can contain the following macros that will be expanded as follows:
 //      %d is replaced with the domain part of the username (if the username is an email address or default mail domain if not)
+//      %i is replaced with the domain part of the email address from the user's default identity
 //      %h is replaced with the imap host (from the session info)
 // eg. to create one global address book per domain: global_addressbook@%d
 $config['globaladdressbook_user'] = '[global_addressbook_user]';

globaladdressbook.php

@@ -43,9 +43,7 @@ public function init()
 		$this->load_config();
 		$this->add_texts('localization/');
 
-		$this->user_name = $rcmail->config->get('globaladdressbook_user', '[global_addressbook_user]');
-		$this->user_name = str_replace('%d', $rcmail->user->get_username('domain'), $this->user_name);
-		$this->user_name = str_replace('%h', $_SESSION['storage_host'], $this->user_name);
+		$this->user_name = globaladdressbook::parse_user($rcmail->config->get('globaladdressbook_user', '[global_addressbook_user]'));
 		$this->groups = $rcmail->config->get('globaladdressbook_groups', false);
 		$this->name = $this->gettext('globaladdressbook');
 		$this->_set_permissions();
@@ -120,6 +118,24 @@ public function check_known_senders($args)
 		return $args;
 	}
 
+	public static function parse_user($name)
+	{
+		$user = rcube::get_instance()->user;
+
+		// %h - IMAP host
+		$h = $_SESSION['storage_host'];
+		// %d - domain name after the '@' from username
+		$d = $user->get_username('domain');
+		// %i - domain name after the '@' from e-mail address of default identity
+		if (strpos($name, '%i') !== false) {
+			$user_ident = $user->list_emails(true);
+			list($local, $domain) = explode('@', $user_ident['email']);
+			$i = $domain;
+		}
+
+		return str_replace(array('%h', '%d', '%i'), array($h, $d, $i), $name);
+	}
+
 	private function _set_permissions()
 	{
 		$rcmail = rcube::get_instance();