Fix line separator in exported messages (#1488603)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix line separator in exported messages (#1488603)
 - Fix XSS issue where plain signatures wasn't secured in HTML mode (#1488613)
 - Fix XSS issue where href="javascript:" wasn't secured (#1488613)
 - Fix impossible to create message with empty plain text part (#1488610)

program/include/rcube_imap.php

@@ -2138,14 +2138,17 @@ class rcube_imap extends rcube_storage
 
     /**
      * Sends the whole message source to stdout
+     *
+     * @param int  $uid       Message UID
+     * @param bool $formatted Enables line-ending formatting
      */
-    public function print_raw_body($uid)
+    public function print_raw_body($uid, $formatted = true)
     {
         if (!$this->check_connection()) {
             return;
         }
 
-        $this->conn->handlePartBody($this->folder, $uid, true, NULL, NULL, true);
+        $this->conn->handlePartBody($this->folder, $uid, true, null, null, true, null, $formatted);
     }
 
 

program/include/rcube_imap_generic.php

@@ -2377,7 +2377,7 @@ class rcube_imap_generic
         return $this->handlePartBody($mailbox, $id, $is_uid, $part);
     }
 
-    function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL)
+    function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL, $formatted=true)
     {
         if (!$this->select($mailbox)) {
             return false;
@@ -2494,7 +2494,7 @@ class rcube_imap_generic
                         continue;
                     $line = convert_uudecode($line);
                 // default
-                } else {
+                } else if ($formatted) {
                     $line = rtrim($line, "\t\r\n\0\x0B") . "\n";
                 }
 

program/include/rcube_storage.php

@@ -502,8 +502,11 @@ abstract class rcube_storage
 
     /**
      * Sends the whole message source to stdout
+     *
+     * @param int  $uid       Message UID
+     * @param bool $formatted Enables line-ending formatting
      */
-    abstract function print_raw_body($uid);
+    abstract function print_raw_body($uid, $formatted = true);
 
 
     /**

program/steps/mail/viewsource.inc

@@ -44,7 +44,7 @@ if ($uid = get_input_value('_uid', RCUBE_INPUT_GET))
     header("Content-Disposition: attachment; filename=\"$filename\"");
   }
 
-  $RCMAIL->storage->print_raw_body($uid);
+  $RCMAIL->storage->print_raw_body($uid, empty($_GET['_save']));
 }
 else
 {