From 037af6890fe6fdb84a08d3c86083e847c90ec0ad Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 22 Oct 2013 08:17:26 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)

---
 plugins/archive/archive.php |  129 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 129 insertions(+), 0 deletions(-)

diff --git a/plugins/archive/archive.php b/plugins/archive/archive.php
new file mode 100644
index 0000000..0a298cb
--- /dev/null
+++ b/plugins/archive/archive.php
@@ -0,0 +1,129 @@
+<?php
+
+/**
+ * Archive
+ *
+ * Plugin that adds a new button to the mailbox toolbar
+ * to move messages to a (user selectable) archive folder.
+ *
+ * @version @package_version@
+ * @license GNU GPLv3+
+ * @author Andre Rodier, Thomas Bruederli
+ */
+class archive extends rcube_plugin
+{
+  public $task = 'mail|settings';
+
+  function init()
+  {
+    $rcmail = rcmail::get_instance();
+
+    // There is no "Archived flags"
+    // $GLOBALS['IMAP_FLAGS']['ARCHIVED'] = 'Archive';
+    if ($rcmail->task == 'mail' && ($rcmail->action == '' || $rcmail->action == 'show')
+        && ($archive_folder = $rcmail->config->get('archive_mbox'))) {
+      $skin_path = $this->local_skin_path();
+      if (is_file($this->home . "/$skin_path/archive.css"))
+        $this->include_stylesheet("$skin_path/archive.css");
+
+      $this->include_script('archive.js');
+      $this->add_texts('localization', true);
+      $this->add_button(
+        array(
+            'type' => 'link',
+            'label' => 'buttontext',
+            'command' => 'plugin.archive',
+            'class' => 'button buttonPas archive disabled',
+            'classact' => 'button archive',
+            'width' => 32,
+            'height' => 32,
+            'title' => 'buttontitle',
+            'domain' => $this->ID,
+        ),
+        'toolbar');
+      
+      // register hook to localize the archive folder
+      $this->add_hook('render_mailboxlist', array($this, 'render_mailboxlist'));
+
+      // set env variable for client
+      $rcmail->output->set_env('archive_folder', $archive_folder);
+
+      // add archive folder to the list of default mailboxes
+      if (($default_folders = $rcmail->config->get('default_folders')) && !in_array($archive_folder, $default_folders)) {
+        $default_folders[] = $archive_folder;
+        $rcmail->config->set('default_folders', $default_folders);
+      }  
+    }
+    else if ($rcmail->task == 'settings') {
+      $dont_override = $rcmail->config->get('dont_override', array());
+      if (!in_array('archive_mbox', $dont_override)) {
+        $this->add_hook('preferences_list', array($this, 'prefs_table'));
+        $this->add_hook('preferences_save', array($this, 'save_prefs'));
+      }
+    }
+  }
+  
+  function render_mailboxlist($p)
+  {
+    $rcmail = rcmail::get_instance();
+    $archive_folder = $rcmail->config->get('archive_mbox');
+    $localize_name = $rcmail->config->get('archive_localize_name', true);
+
+    // set localized name for the configured archive folder
+    if ($archive_folder && $localize_name) {
+      if (isset($p['list'][$archive_folder]))
+        $p['list'][$archive_folder]['name'] = $this->gettext('archivefolder');
+      else // search in subfolders
+        $this->_mod_folder_name($p['list'], $archive_folder, $this->gettext('archivefolder'));
+    }
+
+    return $p;
+  }
+
+  function _mod_folder_name(&$list, $folder, $new_name)
+  {
+    foreach ($list as $idx => $item) {
+      if ($item['id'] == $folder) {
+        $list[$idx]['name'] = $new_name;
+        return true;
+      } else if (!empty($item['folders']))
+        if ($this->_mod_folder_name($list[$idx]['folders'], $folder, $new_name))
+        return true;
+    }
+    return false;
+  }
+
+  function prefs_table($args)
+  {
+    global $CURR_SECTION;
+
+    if ($args['section'] == 'folders') {
+      $this->add_texts('localization');
+
+      $rcmail = rcmail::get_instance();
+
+      // load folders list when needed
+      if ($CURR_SECTION)
+        $select = rcmail_mailbox_select(array('noselection' => '---', 'realnames' => true,
+          'maxlength' => 30, 'exceptions' => array('INBOX'), 'folder_filter' => 'mail', 'folder_rights' => 'w'));
+      else
+        $select = new html_select();
+
+      $args['blocks']['main']['options']['archive_mbox'] = array(
+          'title' => $this->gettext('archivefolder'),
+          'content' => $select->show($rcmail->config->get('archive_mbox'), array('name' => "_archive_mbox"))
+      );
+    }
+
+    return $args;
+  }
+
+  function save_prefs($args)
+  {
+    if ($args['section'] == 'folders') {
+      $args['prefs']['archive_mbox'] = get_input_value('_archive_mbox', RCUBE_INPUT_POST);
+      return $args;
+    }
+  }
+
+}

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