From f06aa8058b7e32ba32d4551074b6e0b8a300f751 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Mon, 21 Oct 2013 15:02:40 -0400
Subject: [PATCH] Bump version after security fix

---
 program/include/rcube_imap_cache.php |   71 +++++++++++++++++++++++++----------
 1 files changed, 50 insertions(+), 21 deletions(-)

diff --git a/program/include/rcube_imap_cache.php b/program/include/rcube_imap_cache.php
index 5eca539..b295bac 100644
--- a/program/include/rcube_imap_cache.php
+++ b/program/include/rcube_imap_cache.php
@@ -6,7 +6,10 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Caching of IMAP folder contents (messages and index)                |
@@ -135,7 +138,7 @@
             // We've got a valid index
             else if ($sort_field == 'ANY' || $this->icache[$mailbox]['index']['sort_field'] == $sort_field) {
                 $result = $this->icache[$mailbox]['index']['object'];
-                if ($result->getParameters('ORDER') != $sort_order) {
+                if ($result->get_parameters('ORDER') != $sort_order) {
                     $result->revert();
                 }
                 return $result;
@@ -178,7 +181,7 @@
             if ($is_valid) {
                 $data = $index['object'];
                 // revert the order if needed
-                if ($data->getParameters('ORDER') != $sort_order) {
+                if ($data->get_parameters('ORDER') != $sort_order) {
                     $data->revert();
                 }
             }
@@ -198,7 +201,7 @@
         // Index not found, not valid or sort field changed, get index from IMAP server
         if ($data === null) {
             // Get mailbox data (UIDVALIDITY, counters, etc.) for status check
-            $mbox_data = $this->imap->mailbox_data($mailbox);
+            $mbox_data = $this->imap->folder_data($mailbox);
             $data      = $this->get_index_data($mailbox, $sort_field, $sort_order, $mbox_data);
 
             // insert/update
@@ -259,7 +262,7 @@
         // Index not found or not valid, get index from IMAP server
         if ($index === null) {
             // Get mailbox data (UIDVALIDITY, counters, etc.) for status check
-            $mbox_data = $this->imap->mailbox_data($mailbox);
+            $mbox_data = $this->imap->folder_data($mailbox);
 
             if ($mbox_data['EXISTS']) {
                 // get all threads (default sort order)
@@ -311,10 +314,10 @@
             $uid          = intval($sql_arr['uid']);
             $result[$uid] = $this->build_message($sql_arr);
 
-            // save memory, we don't need message body here (?)
-            $result[$uid]->body = null;
-
             if (!empty($result[$uid])) {
+                // save memory, we don't need message body here (?)
+                $result[$uid]->body = null;
+
                 unset($msgs[$uid]);
             }
         }
@@ -350,8 +353,9 @@
     function get_message($mailbox, $uid, $update = true, $cache = true)
     {
         // Check internal cache
-        if (($message = $this->icache['message'])
-            && $message['mailbox'] == $mailbox && $message['object']->uid == $uid
+        if ($this->icache['message']
+            && $this->icache['message']['mailbox'] == $mailbox
+            && $this->icache['message']['object']->uid == $uid
         ) {
             return $this->icache['message']['object'];
         }
@@ -371,7 +375,7 @@
 
         // Get the message from IMAP server
         if (empty($message) && $update) {
-            $message = $this->imap->get_headers($uid, $mailbox, true);
+            $message = $this->imap->get_message_headers($uid, $mailbox, true);
             // cache will be updated in close(), see below
         }
 
@@ -596,6 +600,27 @@
 
 
     /**
+     * Delete cache entries older than TTL
+     *
+     * @param string $ttl  Lifetime of message cache entries
+     */
+    function expunge($ttl)
+    {
+        // get expiration timestamp
+        $ts = get_offset_time($ttl, -1);
+
+        $this->db->query("DELETE FROM ".get_table_name('cache_messages')
+              ." WHERE changed < " . $this->db->fromunixtime($ts));
+
+        $this->db->query("DELETE FROM ".get_table_name('cache_index')
+              ." WHERE changed < " . $this->db->fromunixtime($ts));
+
+        $this->db->query("DELETE FROM ".get_table_name('cache_thread')
+              ." WHERE changed < " . $this->db->fromunixtime($ts));
+    }
+
+
+    /**
      * Fetches index data from database
      */
     private function get_index_row($mailbox)
@@ -740,7 +765,7 @@
         $is_thread = is_a($object, 'rcube_result_thread');
 
         // Get mailbox data (UIDVALIDITY, counters, etc.) for status check
-        $mbox_data = $this->imap->mailbox_data($mailbox);
+        $mbox_data = $this->imap->folder_data($mailbox);
 
         // @TODO: Think about skipping validation checks.
         // If we could check only every 10 minutes, we would be able to skip
@@ -757,14 +782,14 @@
 
         // Folder is empty but cache isn't
         if (empty($mbox_data['EXISTS'])) {
-            if (!$object->isEmpty()) {
+            if (!$object->is_empty()) {
                 $this->clear($mailbox);
                 $exists = false;
                 return false;
             }
         }
         // Folder is not empty but cache is
-        else if ($object->isEmpty()) {
+        else if ($object->is_empty()) {
             unset($this->icache[$mailbox][$is_thread ? 'thread' : 'index']);
             return false;
         }
@@ -796,7 +821,7 @@
         // @TODO: find better validity check for threaded index
         if ($is_thread) {
             // check messages number...
-            if (!$this->skip_deleted && $mbox_data['EXISTS'] != $object->countMessages()) {
+            if (!$this->skip_deleted && $mbox_data['EXISTS'] != $object->count_messages()) {
                 return false;
             }
             return true;
@@ -830,7 +855,7 @@
                 $ids = $this->imap->search_once($mailbox, 'ALL UNDELETED NOT UID '.
                     rcube_imap_generic::compressMessageSet($object->get()));
 
-                if (!$ids->isEmpty()) {
+                if (!$ids->is_empty()) {
                     return false;
                 }
             }
@@ -888,6 +913,10 @@
             return;
         }
 
+        if (!$this->imap->check_connection()) {
+            return;
+        }
+
         // NOTE: make sure the mailbox isn't selected, before
         // enabling QRESYNC and invoking SELECT
         if ($this->imap->conn->selected !== null) {
@@ -901,7 +930,7 @@
         }
 
         // Get mailbox data (UIDVALIDITY, HIGHESTMODSEQ, counters, etc.)
-        $mbox_data = $this->imap->mailbox_data($mailbox);
+        $mbox_data = $this->imap->folder_data($mailbox);
 
         if (empty($mbox_data)) {
              return;
@@ -986,7 +1015,7 @@
 
         // Get VANISHED
         if ($qresync) {
-            $mbox_data = $this->imap->mailbox_data($mailbox);
+            $mbox_data = $this->imap->folder_data($mailbox);
 
             // Removed messages
             if (!empty($mbox_data['VANISHED'])) {
@@ -1004,7 +1033,7 @@
         }
 
         $sort_field = $index['sort_field'];
-        $sort_order = $index['object']->getParameters('ORDER');
+        $sort_order = $index['object']->get_parameters('ORDER');
         $exists     = true;
 
         // Validate index
@@ -1103,12 +1132,12 @@
     private function get_index_data($mailbox, $sort_field, $sort_order, $mbox_data = array())
     {
         if (empty($mbox_data)) {
-            $mbox_data = $this->imap->mailbox_data($mailbox);
+            $mbox_data = $this->imap->folder_data($mailbox);
         }
 
         if ($mbox_data['EXISTS']) {
             // fetch sorted sequence numbers
-            $index = $this->imap->message_index_direct($mailbox, $sort_field, $sort_order);
+            $index = $this->imap->index_direct($mailbox, $sort_field, $sort_order);
         }
         else {
             $index = new rcube_result_index($mailbox, '* SORT');

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