From ead2368b716e95e0b62a9a961e2e14ca0ef728fe Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 13 May 2015 04:47:54 -0400
Subject: [PATCH] Fix bug where database_attachments_cache setting was not working
---
plugins/database_attachments/database_attachments.php | 126 ++++++++++++++++++++----------------------
1 files changed, 60 insertions(+), 66 deletions(-)
diff --git a/plugins/database_attachments/database_attachments.php b/plugins/database_attachments/database_attachments.php
index 079f4e5..76792fd 100644
--- a/plugins/database_attachments/database_attachments.php
+++ b/plugins/database_attachments/database_attachments.php
@@ -1,6 +1,6 @@
<?php
/**
- * Filesystem Attachments
+ * Database Attachments
*
* This plugin which provides database backed storage for temporary
* attachment file handling. The primary advantage of this plugin
@@ -13,21 +13,16 @@
* @author Aleksander Machniak <alec@alec.pl>
* @version @package_version@
*/
-require_once('plugins/filesystem_attachments/filesystem_attachments.php');
+
+require_once INSTALL_PATH . 'plugins/filesystem_attachments/filesystem_attachments.php';
+
class database_attachments extends filesystem_attachments
{
+ // Cache object
+ protected $cache;
// A prefix for the cache key used in the session and in the key field of the cache table
- private $cache_prefix = "db_attach";
-
- /**
- * Helper method to generate a unique key for the given attachment file
- */
- private function _key($args)
- {
- $uname = $args['path'] ? $args['path'] : $args['name'];
- return $this->cache_prefix . $args['group'] . md5(mktime() . $uname . $_SESSION['user_id']);
- }
+ protected $prefix = "db_attach";
/**
* Save a newly uploaded attachment
@@ -35,23 +30,17 @@
function upload($args)
{
$args['status'] = false;
- $rcmail = rcmail::get_instance();
- $key = $this->_key($args);
- $data = file_get_contents($args['path']);
+ $cache = $this->get_cache();
+ $key = $this->_key($args);
+ $data = file_get_contents($args['path']);
- if ($data === false)
+ if ($data === false) {
return $args;
+ }
- $data = base64_encode($data);
-
- $status = $rcmail->db->query(
- "INSERT INTO ".get_table_name('cache')
- ." (created, user_id, cache_key, data)"
- ." VALUES (".$rcmail->db->now().", ?, ?, ?)",
- $_SESSION['user_id'],
- $key,
- $data);
+ $data = base64_encode($data);
+ $status = $cache->write($key, $data);
if ($status) {
$args['id'] = $key;
@@ -68,26 +57,20 @@
function save($args)
{
$args['status'] = false;
- $rcmail = rcmail::get_instance();
- $key = $this->_key($args);
+ $cache = $this->get_cache();
+ $key = $this->_key($args);
if ($args['path']) {
$args['data'] = file_get_contents($args['path']);
- if ($args['data'] === false)
+ if ($args['data'] === false) {
return $args;
+ }
}
- $data = base64_encode($args['data']);
-
- $status = $rcmail->db->query(
- "INSERT INTO ".get_table_name('cache')
- ." (created, user_id, cache_key, data)"
- ." VALUES (".$rcmail->db->now().", ?, ?, ?)",
- $_SESSION['user_id'],
- $key,
- $data);
+ $data = base64_encode($args['data']);
+ $status = $cache->write($key, $data);
if ($status) {
$args['id'] = $key;
@@ -103,18 +86,10 @@
*/
function remove($args)
{
- $args['status'] = false;
- $rcmail = rcmail::get_instance();
- $status = $rcmail->db->query(
- "DELETE FROM ".get_table_name('cache')
- ." WHERE user_id = ?"
- ." AND cache_key = ?",
- $_SESSION['user_id'],
- $args['id']);
+ $cache = $this->get_cache();
+ $status = $cache->remove($args['id']);
- if ($status) {
- $args['status'] = true;
- }
+ $args['status'] = true;
return $args;
}
@@ -135,18 +110,11 @@
*/
function get($args)
{
- $rcmail = rcmail::get_instance();
+ $cache = $this->get_cache();
+ $data = $cache->read($args['id']);
- $sql_result = $rcmail->db->query(
- "SELECT data"
- ." FROM ".get_table_name('cache')
- ." WHERE user_id=?"
- ." AND cache_key=?",
- $_SESSION['user_id'],
- $args['id']);
-
- if ($sql_arr = $rcmail->db->fetch_assoc($sql_result)) {
- $args['data'] = base64_decode($sql_arr['data']);
+ if ($data) {
+ $args['data'] = base64_decode($data);
$args['status'] = true;
}
@@ -158,12 +126,38 @@
*/
function cleanup($args)
{
- $prefix = $this->cache_prefix . $args['group'];
- $rcmail = rcmail::get_instance();
- $rcmail->db->query(
- "DELETE FROM ".get_table_name('cache')
- ." WHERE user_id = ?"
- ." AND cache_key LIKE '{$prefix}%'",
- $_SESSION['user_id']);
+ // check if cache object exist, it may be empty on session_destroy (#1489726)
+ if ($cache = $this->get_cache()) {
+ $cache->remove($args['group'], true);
+ }
+ }
+
+ /**
+ * Helper method to generate a unique key for the given attachment file
+ */
+ protected function _key($args)
+ {
+ $uname = $args['path'] ? $args['path'] : $args['name'];
+ return $args['group'] . md5(mktime() . $uname . $_SESSION['user_id']);
+ }
+
+ /**
+ * Initialize and return cache object
+ */
+ protected function get_cache()
+ {
+ if (!$this->cache) {
+ $this->load_config();
+
+ $rcmail = rcube::get_instance();
+ $ttl = 12 * 60 * 60; // default: 12 hours
+ $ttl = $rcmail->config->get('database_attachments_cache_ttl', $ttl);
+ $type = $rcmail->config->get('database_attachments_cache', 'db');
+
+ // Init SQL cache (disable cache data serialization)
+ $this->cache = $rcmail->get_cache($this->prefix, $type, $ttl, false);
+ }
+
+ return $this->cache;
}
}
--
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