From a6b0ca60a431b8e56d7c23246de71978d6968a79 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 02 Jun 2013 08:33:11 -0400
Subject: [PATCH] Fix bug where serialized strings were truncated in PDO::quote() (#1489142)
---
program/lib/Roundcube/rcube_cache.php | 33 ++++++++++++++++++++++++++++-----
1 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/program/lib/Roundcube/rcube_cache.php b/program/lib/Roundcube/rcube_cache.php
index 129f324..08c9fc8 100644
--- a/program/lib/Roundcube/rcube_cache.php
+++ b/program/lib/Roundcube/rcube_cache.php
@@ -145,7 +145,7 @@
*/
function write($key, $data)
{
- return $this->write_record($key, $this->packed ? serialize($data) : $data);
+ return $this->write_record($key, $this->serialize($data));
}
@@ -219,7 +219,7 @@
if ($this->cache_changes[$key]) {
// Make sure we're not going to write unchanged data
// by comparing current md5 sum with the sum calculated on DB read
- $data = $this->packed ? serialize($data) : $data;
+ $data = $this->serialize($data);
if (!$this->cache_sums[$key] || $this->cache_sums[$key] != md5($data)) {
$this->write_record($key, $data);
@@ -255,7 +255,7 @@
if ($data) {
$md5sum = md5($data);
- $data = $this->packed ? unserialize($data) : $data;
+ $data = $this->unserialize($data);
if ($nostore) {
return $data;
@@ -283,7 +283,7 @@
$key = substr($sql_arr['cache_key'], strlen($this->prefix)+1);
$md5sum = $sql_arr['data'] ? md5($sql_arr['data']) : null;
if ($sql_arr['data']) {
- $data = $this->packed ? unserialize($sql_arr['data']) : $sql_arr['data'];
+ $data = $this->unserialize($sql_arr['data']);
}
if ($nostore) {
@@ -364,7 +364,6 @@
* @param string $key Cache key name or pattern
* @param boolean $prefix_mode Enable it to clear all keys starting
* with prefix specified in $key
- *
*/
private function remove_record($key=null, $prefix_mode=false)
{
@@ -553,4 +552,28 @@
// This way each cache will have its own index
return sprintf('%d:%s%s', $this->userid, $this->prefix, 'INDEX');
}
+
+ /**
+ * Serializes data for storing
+ */
+ private function serialize($data)
+ {
+ if ($this->type == 'db') {
+ return $this->db->encode($data, $this->packed);
+ }
+
+ return $this->packed ? serialize($data) : $data;
+ }
+
+ /**
+ * Unserializes serialized data
+ */
+ private function unserialize($data)
+ {
+ if ($this->type == 'db') {
+ return $this->db->decode($data, $this->packed);
+ }
+
+ return $this->packed ? @unserialize($data) : $data;
+ }
}
--
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