Fix malformed recipient name when composing a message by clicking on mailto link (#1489942)

CHANGELOG

@@ -13,6 +13,7 @@ CHANGELOG Roundcube Webmail
 - Fix broken normalize_string(), add support for ISO-8859-2 (#1489918)
 - Support csv contacts import in German localization (#1489920)
 - Fix so message list and counters are updated when a message is opened in new window (#1489919)
+- Fix malformed recipient name when composing a message by clicking on mailto link (#1489942)
 
 RELEASE 1.0.1
 -------------

program/steps/mail/compose.inc

@@ -273,6 +273,7 @@ $from_email   = @mb_strtolower($MESSAGE->compose['from_email']);
 foreach ($parts as $header) {
     $fvalue        = '';
     $decode_header = true;
+    $charset       = $MESSAGE->headers->charset;
 
     // we have a set of recipients stored is session
     if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
@@ -280,16 +281,19 @@ foreach ($parts as $header) {
     ) {
         $fvalue        = urldecode($_SESSION['mailto'][$mailto_id]);
         $decode_header = false;
+        $charset       = $RCMAIL->output->charset;
 
         // make session to not grow up too much
         unset($_SESSION['mailto'][$mailto_id]);
         $COMPOSE['param']['to'] = $fvalue;
     }
     else if (!empty($_POST['_'.$header])) {
-        $fvalue = rcube_utils::get_input_value('_'.$header, rcube_utils::INPUT_POST, TRUE);
+        $fvalue  = rcube_utils::get_input_value('_'.$header, rcube_utils::INPUT_POST, TRUE);
+        $charset = $RCMAIL->output->charset;
     }
     else if (!empty($COMPOSE['param'][$header])) {
-        $fvalue = $COMPOSE['param'][$header];
+        $fvalue  = $COMPOSE['param'][$header];
+        $charset = $RCMAIL->output->charset;
     }
     else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
         // get recipent address(es) out of the message headers
@@ -330,9 +334,9 @@ foreach ($parts as $header) {
 
             // When To: and Reply-To: are the same we add From: address to the list (#1489037)
             if ($v = $MESSAGE->headers->from) {
-                $from    = rcube_mime::decode_address_list($v, null, false, $MESSAGE->headers->charset, true);
-                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $MESSAGE->headers->charset, true);
-                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $MESSAGE->headers->charset, true);
+                $from    = rcube_mime::decode_address_list($v, null, false, $charset, true);
+                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $charset, true);
+                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $charset, true);
 
                 if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
                     $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
@@ -358,7 +362,7 @@ foreach ($parts as $header) {
 
     // split recipients and put them back together in a unique way
     if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
-        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $MESSAGE->headers->charset);
+        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $charset);
         $fvalue       = array();
 
         foreach ($to_addresses as $addr_part) {