From 9b8d22ebe14a2a6d3f5c8bebee0a3126a72521cc Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 8 May 2013 20:19:58 +0200
Subject: Limit debug log entry (line) size to 4096 characters to prevent
 memory_limit/preformance issues when debug is enabled (imap, smtp, db)

---
 program/lib/Roundcube/rcube_db.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'program/lib/Roundcube/rcube_db.php')

diff --git a/program/lib/Roundcube/rcube_db.php b/program/lib/Roundcube/rcube_db.php
index 4b9ab131c..f8a9bdc37 100644
--- a/program/lib/Roundcube/rcube_db.php
+++ b/program/lib/Roundcube/rcube_db.php
@@ -47,6 +47,7 @@ class rcube_db
         'identifier_end'   => '"',
     );
 
+    const DEBUG_LINE_LENGTH = 4096;
 
     /**
      * Factory, returns driver-specific instance of the class
@@ -255,6 +256,10 @@ class rcube_db
     protected function debug($query)
     {
         if ($this->options['debug_mode']) {
+            if (($len = strlen($query)) > self::DEBUG_LINE_LENGTH) {
+                $query = substr_replace($query, "\n-----[debug cut]-----\n",
+                    self::DEBUG_LINE_LENGTH/2 - 11, $len - self::DEBUG_LINE_LENGTH - 22);
+            }
             rcube::write_log('sql', '[' . (++$this->db_index) . '] ' . $query . ';');
         }
     }
-- 
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