From 48e9c14ebded89d858c8be0333f77f77a81b0877 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Sat, 31 Mar 2012 08:25:48 -0400
Subject: [PATCH] Move plugins repository into roundcubemail root folder; svn:externals are not defined anymore
---
plugins/database_attachments/database_attachments.php | 169 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 169 insertions(+), 0 deletions(-)
diff --git a/plugins/database_attachments/database_attachments.php b/plugins/database_attachments/database_attachments.php
new file mode 100644
index 0000000..9a279f5
--- /dev/null
+++ b/plugins/database_attachments/database_attachments.php
@@ -0,0 +1,169 @@
+<?php
+/**
+ * Filesystem 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
+ * installations.
+ *
+ * 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');
+class database_attachments extends filesystem_attachments
+{
+
+ // 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 . $_SESSION['user_id']);
+ }
+
+ /**
+ * Save a newly uploaded attachment
+ */
+ function upload($args)
+ {
+ $args['status'] = false;
+ $rcmail = rcmail::get_instance();
+ $key = $this->_key($args);
+
+ $data = file_get_contents($args['path']);
+
+ 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,
+ $data);
+
+ if ($status) {
+ $args['id'] = $key;
+ $args['status'] = true;
+ unset($args['path']);
+ }
+
+ return $args;
+ }
+
+ /**
+ * Save an attachment from a non-upload source (draft or forward)
+ */
+ function save($args)
+ {
+ $args['status'] = false;
+ $rcmail = rcmail::get_instance();
+
+ $key = $this->_key($args);
+
+ if ($args['path']) {
+ $args['data'] = file_get_contents($args['path']);
+
+ 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,
+ $data);
+
+ if ($status) {
+ $args['id'] = $key;
+ $args['status'] = true;
+ }
+
+ return $args;
+ }
+
+ /**
+ * Remove an attachment from storage
+ * This is triggered by the remove attachment button on the compose screen
+ */
+ function remove($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;
+ }
+
+ return $args;
+ }
+
+ /**
+ * When composing an html message, image attachments may be shown
+ * For this plugin, $this->get() will check the file and
+ * return it's contents
+ */
+ function display($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 attachment_display hook.
+ */
+ 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'],
+ $args['id']);
+
+ if ($sql_arr = $rcmail->db->fetch_assoc($sql_result)) {
+ $args['data'] = base64_decode($sql_arr['data']);
+ $args['status'] = true;
+ }
+
+ return $args;
+ }
+
+ /**
+ * Delete all temp files associated with this user
+ */
+ function cleanup($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']);
+ }
+}
--
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