- Fix opening attachment marks message as read (#1485803)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Fix opening attachment marks message as read (#1485803)
 - Fix 'temp_dir' does not support relative path under Windows (#1484529)
 - Fix "Initialize Database" button missing from installer (#1485802)
 - Fix compose window doesn't fit 1024x768 window (#1485396)

program/lib/imap.inc

@@ -2433,7 +2433,7 @@ function iil_C_FetchMIMEHeaders(&$conn, $mailbox, $id, $parts) {
 
 	// format request
 	foreach($parts as $part)
-		$peeks[] = "BODY[$part.MIME]";
+		$peeks[] = "BODY.PEEK[$part.MIME]";
 	
 	$request = "$key FETCH $id (" . implode(' ', $peeks) . ')';
 
@@ -2446,9 +2446,9 @@ function iil_C_FetchMIMEHeaders(&$conn, $mailbox, $id, $parts) {
         	$line = iil_ReadLine($fp, 1000);
         	$line = iil_MultLine($fp, $line);
 
-		if (preg_match('/BODY\[([0-9\.]+)\.MIME\]/', $line, $matches)) {
+		if (preg_match('/BODY\.PEEK\[([0-9\.]+)\.MIME\]/', $line, $matches)) {
 			$idx = $matches[1];
-			$result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.MIME\]\s+/', '', $line);
+			$result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\.PEEK\['.$idx.'\.MIME\]\s+/', '', $line);
 			$result[$idx] = trim($result[$idx], '"');
 	    		$result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B");
     		}