Fix handling of uuencoded messages if messages_cache is enabled (#1490108)

Conflicts:
	program/lib/Roundcube/rcube_message.php

CHANGELOG

@@ -6,6 +6,7 @@ CHANGELOG Roundcube Webmail
 - Fix displaying of HTML messages with absolutely positioned elements in Larry skin (#1490103)
 - Fix font style display issue in HTML messages with styled <span> elements (#1490101)
 - Fix download of attachments that are part of TNEF message (#1490091)
+- Fix handling of uuencoded messages if messages_cache is enabled (#1490108)
 
 RELEASE 1.0.3
 -------------

program/lib/Roundcube/rcube_imap_cache.php

@@ -1235,13 +1235,15 @@ class rcube_imap_cache
     private function message_object_prepare(&$msg, &$size = 0)
     {
         // Remove body too big
-        if ($msg->body && ($length = strlen($msg->body))) {
-            $size += $length;
+        if (isset($msg->body)) {
+            $length = strlen($msg->body);
 
-            if ($size > $this->threshold * 1024) {
-                $size -= $length;
+            if ($msg->body_modified || $size + $length > $this->threshold * 1024) {
                 unset($msg->body);
             }
+            else {
+                $size += $length;
+            }
         }
 
         // Fix mimetype which might be broken by some code when message is displayed

program/lib/Roundcube/rcube_message.php

@@ -769,16 +769,12 @@ class rcube_message
         $uu_regexp = '/begin [0-7]{3,4} ([^\n]+)\n/s';
 
         if (preg_match_all($uu_regexp, $part->body, $matches, PREG_SET_ORDER)) {
-            // update message content-type
-            $part->ctype_primary   = 'multipart';
-            $part->ctype_secondary = 'mixed';
-            $part->mimetype        = $part->ctype_primary . '/' . $part->ctype_secondary;
             $uu_endstring = "`\nend\n";
 
             // add attachments to the structure
             foreach ($matches as $pid => $att) {
                 $startpos = strpos($part->body, $att[1]) + strlen($att[1]) + 1; // "\n"
-                $endpos = strpos($part->body, $uu_endstring);
+                $endpos   = strpos($part->body, $uu_endstring);
                 $filebody = substr($part->body, $startpos, $endpos-$startpos);
 
                 // remove attachments bodies from the message body
@@ -802,6 +798,8 @@ class rcube_message
 
             // remove attachments bodies from the message body
             $part->body = preg_replace($uu_regexp, '', $part->body);
+            // mark body as modified so it will not be cached by rcube_imap_cache
+            $part->body_modified = true;
         }
 
         return $parts;