From c1bc8f6c827a27540b5510b42dcc65b39d38f2c1 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 14 Oct 2013 07:19:37 -0400
Subject: [PATCH] Change so abort=true does not break the loop in exec_hook(), provide a new 'break' flag for this purpose
---
program/lib/Roundcube/rcube_cache.php | 78 +++++++++++++++++++++++++++++----------
1 files changed, 58 insertions(+), 20 deletions(-)
diff --git a/program/lib/Roundcube/rcube_cache.php b/program/lib/Roundcube/rcube_cache.php
index 92f12a8..a708cb2 100644
--- a/program/lib/Roundcube/rcube_cache.php
+++ b/program/lib/Roundcube/rcube_cache.php
@@ -38,6 +38,7 @@
private $type;
private $userid;
private $prefix;
+ private $table;
private $ttl;
private $packed;
private $index;
@@ -71,8 +72,9 @@
$this->db = function_exists('apc_exists'); // APC 3.1.4 required
}
else {
- $this->type = 'db';
- $this->db = $rcube->get_dbh();
+ $this->type = 'db';
+ $this->db = $rcube->get_dbh();
+ $this->table = $this->db->table_name('cache');
}
// convert ttl string to seconds
@@ -145,7 +147,7 @@
*/
function write($key, $data)
{
- return $this->write_record($key, $this->packed ? serialize($data) : $data);
+ return $this->write_record($key, $this->serialize($data));
}
@@ -192,16 +194,27 @@
*/
function expunge()
{
- if ($this->type == 'db' && $this->db) {
+ if ($this->type == 'db' && $this->db && $this->ttl) {
$this->db->query(
- "DELETE FROM ".$this->db->table_name('cache').
+ "DELETE FROM ".$this->table.
" WHERE user_id = ?".
" AND cache_key LIKE ?".
- " AND " . $this->db->unixtimestamp('created')." < ?",
+ " AND expires < " . $this->db->now(),
$this->userid,
- $this->prefix.'.%',
- time() - $this->ttl);
+ $this->prefix.'.%');
}
+ }
+
+
+ /**
+ * Remove expired records of all caches
+ */
+ static function gc()
+ {
+ $rcube = rcube::get_instance();
+ $db = $rcube->get_dbh();
+
+ $db->query("DELETE FROM " . $db->table_name('cache') . " WHERE expires < " . $db->now());
}
@@ -219,7 +232,7 @@
if ($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, $data);
@@ -255,7 +268,7 @@
if ($data) {
$md5sum = md5($data);
- $data = $this->packed ? unserialize($data) : $data;
+ $data = $this->unserialize($data);
if ($nostore) {
return $data;
@@ -271,7 +284,7 @@
else {
$sql_result = $this->db->limitquery(
"SELECT data, cache_key".
- " FROM ".$this->db->table_name('cache').
+ " FROM " . $this->table.
" WHERE user_id = ?".
" AND cache_key = ?".
// for better performance we allow more records for one key
@@ -283,7 +296,7 @@
$key = substr($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 ($nostore) {
@@ -326,7 +339,7 @@
// Remove NULL rows (here we don't need to check if the record exist)
if ($data == 'N;') {
$this->db->query(
- "DELETE FROM ".$this->db->table_name('cache').
+ "DELETE FROM " . $this->table.
" WHERE user_id = ?".
" AND cache_key = ?",
$this->userid, $key);
@@ -337,8 +350,10 @@
// update existing cache record
if ($key_exists) {
$result = $this->db->query(
- "UPDATE ".$this->db->table_name('cache').
- " SET created = ". $this->db->now().", data = ?".
+ "UPDATE " . $this->table.
+ " SET created = " . $this->db->now().
+ ", expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL').
+ ", data = ?".
" WHERE user_id = ?".
" AND cache_key = ?",
$data, $this->userid, $key);
@@ -348,9 +363,9 @@
// for better performance we allow more records for one key
// so, no need to check if record exist (see rcube_cache::read_record())
$result = $this->db->query(
- "INSERT INTO ".$this->db->table_name('cache').
- " (created, user_id, cache_key, data)".
- " VALUES (".$this->db->now().", ?, ?, ?)",
+ "INSERT INTO " . $this->table.
+ " (created, expires, user_id, cache_key, data)".
+ " VALUES (" . $this->db->now() . ", " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", ?, ?, ?)",
$this->userid, $key, $data);
}
@@ -364,7 +379,6 @@
* @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)
{
@@ -412,7 +426,7 @@
}
$this->db->query(
- "DELETE FROM ".$this->db->table_name('cache').
+ "DELETE FROM " . $this->table.
" WHERE user_id = ?" . $where,
$this->userid);
}
@@ -553,4 +567,28 @@
// 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;
+ }
}
--
Gitblit v1.9.1