From e48f8945b32ab5b67f1cdeb53a37d3d196e31e4d Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Fri, 20 May 2016 05:19:01 -0400 Subject: [PATCH] Fix bug where message list columns could be in wrong order after column drag-n-drop and list sorting --- plugins/database_attachments/database_attachments.php | 170 +++++++++++++++++++++++++++++++------------------------- 1 files changed, 94 insertions(+), 76 deletions(-) diff --git a/plugins/database_attachments/database_attachments.php b/plugins/database_attachments/database_attachments.php index 28ccde4..31747b3 100644 --- a/plugins/database_attachments/database_attachments.php +++ b/plugins/database_attachments/database_attachments.php @@ -1,7 +1,7 @@ <?php /** - * Filesystem Attachments - * + * Database Attachments + * * This plugin which provides database backed storage for temporary * attachment file handling. The primary advantage of this plugin * is its compatibility with round-robin dns multi-server roundcube @@ -10,22 +10,19 @@ * This plugin relies on the core filesystem_attachments plugin * * @author Ziba Scott <ziba@umich.edu> - * + * @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 $cache_prefix = "db_attach"; - - /** - * Helper method to generate a unique key for the given attachment file - */ - private function _key($filepath) - { - return $this->cache_prefix.md5(mktime().$filepath.$_SESSION['user_id']); - } + const PREFIX = "ATTACH"; /** * Save a newly uploaded attachment @@ -33,24 +30,24 @@ function upload($args) { $args['status'] = false; - $rcmail = rcmail::get_instance(); - $key = $this->_key($args['path']); - $data = base64_encode(file_get_contents($args['path'])); - $status = $rcmail->db->query( - "INSERT INTO ".get_table_name('cache')." - (created, user_id, cache_key, data) - VALUES (".$rcmail->db->now().", ?, ?, ?)", - $_SESSION['user_id'], - $key, - $data); - - if ($status) { - $args['id'] = $key; - $args['status'] = true; - unset($args['path']); + $cache = $this->get_cache(); + $key = $this->_key($args); + $data = file_get_contents($args['path']); + + if ($data === false) { + return $args; } - + + $data = base64_encode($data); + $status = $cache->write($key, $data); + + if ($status) { + $args['id'] = $key; + $args['status'] = true; + $args['path'] = null; + } + return $args; } @@ -60,19 +57,21 @@ function save($args) { $args['status'] = false; - $rcmail = rcmail::get_instance(); - $key = $this->_key($args['name']); - $data = base64_encode($args['data']); + $cache = $this->get_cache(); + $key = $this->_key($args); - $status = $rcmail->db->query( - "INSERT INTO ".get_table_name('cache')." - (created, user_id, cache_key, data) - VALUES (".$rcmail->db->now().", ?, ?, ?)", - $_SESSION['user_id'], - $key, - $data); - + if ($args['path']) { + $args['data'] = file_get_contents($args['path']); + + if ($args['data'] === false) { + return $args; + } + } + + $data = base64_encode($args['data']); + $status = $cache->write($key, $data); + if ($status) { $args['id'] = $key; $args['status'] = true; @@ -87,66 +86,85 @@ */ function remove($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'], - $args['id']); - - if ($status) { - $args['status'] = true; - } - + $cache = $this->get_cache(); + $status = $cache->remove($args['id']); + + $args['status'] = true; + return $args; } /** * When composing an html message, image attachments may be shown - * For this plugin, $this->get_attachment will check the file and + * For this plugin, $this->get() will check the file and * return it's contents */ function display($args) { - return $this->get_attachment($args); + return $this->get($args); } /** * When displaying or sending the attachment the file contents are fetched - * using this method. This is also called by the display_attachment hook. + * using this method. This is also called by the attachment_display hook. */ - function get_attachment($args) + function get($args) { - $rcmail = rcmail::get_instance(); - - $sql_result = $rcmail->db->query( - "SELECT cache_id, data - FROM ".get_table_name('cache')." - WHERE user_id=? - AND cache_key=?", - $_SESSION['user_id'], - $args['id']); + $cache = $this->get_cache(); + $data = $cache->read($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; } - + return $args; } - + /** * Delete all temp files associated with this user */ function cleanup($args) { - $rcmail = rcmail::get_instance(); - $rcmail->db->query( - "DELETE FROM ".get_table_name('cache')." - WHERE user_id=? - AND cache_key like '{$this->cache_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'); + $prefix = self::PREFIX; + + // Add session identifier to the prefix to prevent from removing attachments + // in other sessions of the same user (#1490542) + if ($id = session_id()) { + $prefix .= $id; + } + + // Init SQL cache (disable cache data serialization) + $this->cache = $rcmail->get_cache($prefix, $type, $ttl, false); + } + + return $this->cache; } } -- Gitblit v1.9.1