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kolab_activesync.php
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kolab_activesync.php
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<?php
/**
* ActiveSync configuration utility for Kolab accounts
*
* @version @package_version@
* @author Aleksander Machniak <machniak@kolabsys.com>
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2011-2012, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_activesync extends rcube_plugin
{
public $task = 'settings';
public $urlbase;
public $backend;
private $rc;
private $ui;
private $folder_meta;
private $root_meta;
const ROOT_MAILBOX = 'INBOX';
const ASYNC_KEY = '/private/vendor/kolab/activesync';
/**
* Plugin initialization.
*/
public function init()
{
$this->rc = rcube::get_instance();
$this->require_plugin('jqueryui');
$this->require_plugin('libkolab');
$this->register_action('plugin.activesync', array($this, 'config_view'));
$this->register_action('plugin.activesync-config', array($this, 'config_frame'));
$this->register_action('plugin.activesync-json', array($this, 'json_command'));
$this->add_texts('localization/', true);
$this->include_script('kolab_activesync.js');
}
/**
* Handle JSON requests
*/
public function json_command()
{
$cmd = get_input_value('cmd', RCUBE_INPUT_GPC);
$imei = get_input_value('id', RCUBE_INPUT_GPC);
switch ($cmd) {
case 'save':
$devices = $this->list_devices();
$device = $devices[$imei];
$subscriptions = (array) get_input_value('subscribed', RCUBE_INPUT_POST);
$devicealias = get_input_value('devicealias', RCUBE_INPUT_POST, true);
// $syncmode = intval(get_input_value('syncmode', RCUBE_INPUT_POST));
// $laxpic = intval(get_input_value('laxpic', RCUBE_INPUT_POST));
$device['ALIAS'] = $devicealias;
// $device['MODE'] = $syncmode;
// $device['LAXPIC'] = $laxpic;
$err = !$this->device_update($device, $imei);
if (!$err) {
// iterate over folders list and update metadata if necessary
// old subscriptions
foreach (array_keys($this->folder_meta()) as $folder) {
$err |= !$this->folder_set($folder, $imei, intval($subscriptions[$folder]));
unset($subscriptions[$folder]);
}
// new subscription
foreach ($subscriptions as $folder => $flag) {
$err |= !$this->folder_set($folder, $imei, intval($flag));
}
$this->rc->output->command('plugin.activesync_save_complete', array(
'success' => !$err, 'id' => $imei, 'alias' => Q($devicealias)));
}
if ($err)
$this->rc->output->show_message($this->gettext('savingerror'), 'error');
else
$this->rc->output->show_message($this->gettext('successfullysaved'), 'confirmation');
break;
case 'delete':
$success = $this->device_delete($imei);
if ($success) {
$this->rc->output->show_message($this->gettext('successfullydeleted'), 'confirmation');
$this->rc->output->command('plugin.activesync_save_complete', array(
'success' => true, 'id' => $imei, 'delete' => true));
}
else
$this->rc->output->show_message($this->gettext('savingerror'), 'error');
break;
}
$this->rc->output->send();
}
/**
* Render main UI for devices configuration
*/
public function config_view()
{
$storage = $this->rc->get_storage();
// checks if IMAP server supports any of METADATA, ANNOTATEMORE, ANNOTATEMORE2
if (!($storage->get_capability('METADATA') || $storage->get_capability('ANNOTATEMORE') || $storage->get_capability('ANNOTATEMORE2'))) {
$this->rc->output->show_message($this->gettext('notsupported'), 'error');
}
require_once $this->home . '/kolab_activesync_ui.php';
$this->ui = new kolab_activesync_ui($this);
$this->register_handler('plugin.devicelist', array($this->ui, 'device_list'));
$this->rc->output->send('kolab_activesync.config');
}
/**
* Render device configuration form
*/
public function config_frame()
{
$storage = $this->rc->get_storage();
// checks if IMAP server supports any of METADATA, ANNOTATEMORE, ANNOTATEMORE2
if (!($storage->get_capability('METADATA') || $storage->get_capability('ANNOTATEMORE') || $storage->get_capability('ANNOTATEMORE2'))) {
$this->rc->output->show_message($this->gettext('notsupported'), 'error');
}
require_once $this->home . '/kolab_activesync_ui.php';
$this->ui = new kolab_activesync_ui($this);
if (!empty($_GET['_init'])) {
return $this->rc->output->send('kolab_activesync.configempty');
}
$this->register_handler('plugin.deviceconfigform', array($this->ui, 'device_config_form'));
$this->register_handler('plugin.foldersubscriptions', array($this->ui, 'folder_subscriptions'));
$imei = get_input_value('_id', RCUBE_INPUT_GPC);
$devices = $this->list_devices();
if ($device = $devices[$imei]) {
$this->ui->device = $device;
$this->ui->device['_id'] = $imei;
$this->rc->output->set_env('active_device', $imei);
$this->rc->output->command('parent.enable_command','plugin.delete-device', true);
}
else {
$this->rc->output->show_message($this->gettext('devicenotfound'), 'error');
}
$this->rc->output->send('kolab_activesync.configedit');
}
/**
* Get list of all folders available for sync
*
* @return array List of mailbox folders
*/
public function list_folders()
{
$storage = $this->rc->get_storage();
return $storage->list_folders();
}
/**
* List known devices
*
* @return array Device list as hash array
*/
public function list_devices()
{
if ($this->root_meta === null) {
$storage = $this->rc->get_storage();
// @TODO: consider server annotation instead of INBOX
if ($meta = $storage->get_metadata(self::ROOT_MAILBOX, self::ASYNC_KEY)) {
$this->root_meta = $this->unserialize_metadata($meta[self::ROOT_MAILBOX][self::ASYNC_KEY]);
}
else {
$this->root_meta = array();
}
}
if (!empty($this->root_meta['DEVICE']) && is_array($this->root_meta['DEVICE'])) {
return $this->root_meta['DEVICE'];
}
return array();
}
/**
* Getter for folder metadata
*
* @return array Hash array with meta data for each folder
*/
public function folder_meta()
{
if (!isset($this->folder_meta)) {
$this->folder_meta = array();
$storage = $this->rc->get_storage();
// get folders activesync config
$folderdata = $storage->get_metadata("*", self::ASYNC_KEY);
foreach ($folderdata as $folder => $meta) {
if ($asyncdata = $meta[self::ASYNC_KEY]) {
if ($metadata = $this->unserialize_metadata($asyncdata)) {
$this->folder_meta[$folder] = $metadata;
}
}
}
}
return $this->folder_meta;
}
/**
* Sets ActiveSync subscription flag on a folder
*
* @param string $name Folder name (UTF7-IMAP)
* @param string $deviceid Device identifier
* @param int $flag Flag value (0|1|2)
*/
public function folder_set($name, $deviceid, $flag)
{
if (empty($deviceid)) {
return false;
}
// get folders activesync config
$metadata = $this->folder_meta();
$metadata = $metadata[$name];
if ($flag) {
if (empty($metadata)) {
$metadata = array();
}
if (empty($metadata['FOLDER'])) {
$metadata['FOLDER'] = array();
}
if (empty($metadata['FOLDER'][$deviceid])) {
$metadata['FOLDER'][$deviceid] = array();
}
// Z-Push uses:
// 1 - synchronize, no alarms
// 2 - synchronize with alarms
$metadata['FOLDER'][$deviceid]['S'] = $flag;
}
if (!$flag) {
unset($metadata['FOLDER'][$deviceid]['S']);
if (empty($metadata['FOLDER'][$deviceid])) {
unset($metadata['FOLDER'][$deviceid]);
}
if (empty($metadata['FOLDER'])) {
unset($metadata['FOLDER']);
}
if (empty($metadata)) {
$metadata = null;
}
}
// Return if nothing's been changed
if (!self::data_array_diff($this->folder_meta[$name], $metadata)) {
return true;
}
$this->folder_meta[$name] = $metadata;
$storage = $this->rc->get_storage();
return $storage->set_metadata($name, array(
self::ASYNC_KEY => $this->serialize_metadata($metadata)));
}
/**
* Device update
*
* @param array $device Device data
* @param string $id Device ID
*
* @return bool True on success, False on failure
*/
public function device_update($device, $id)
{
$devices_list = $this->list_devices();
$old_device = $devices_list[$id];
if (!$old_device) {
return false;
}
// Do nothing if nothing is changed
if (!self::data_array_diff($old_device, $device)) {
return true;
}
$device = array_merge($old_device, $device);
$metadata = $this->root_meta;
$metadata['DEVICE'][$id] = $device;
$metadata = array(self::ASYNC_KEY => $this->serialize_metadata($metadata));
$storage = $this->rc->get_storage();
$result = $storage->set_metadata(self::ROOT_MAILBOX, $metadata);
if ($result) {
// Update local cache
$this->root_meta['DEVICE'][$id] = $device;
}
return $result;
}
/**
* Device delete.
*
* @param string $id Device ID
*
* @return bool True on success, False on failure
*/
public function device_delete($id)
{
$devices_list = $this->list_devices();
$old_device = $devices_list[$id];
if (!$old_device) {
return false;
}
unset($this->root_meta['DEVICE'][$id], $this->root_meta['FOLDER'][$id]);
if (empty($this->root_meta['DEVICE'])) {
unset($this->root_meta['DEVICE']);
}
if (empty($this->root_meta['FOLDER'])) {
unset($this->root_meta['FOLDER']);
}
$metadata = $this->serialize_metadata($this->root_meta);
$metadata = array(self::ASYNC_KEY => $metadata);
$storage = $this->rc->get_storage();
// update meta data
$result = $storage->set_metadata(self::ROOT_MAILBOX, $metadata);
if ($result) {
// remove device annotation for every folder
foreach ($this->folder_meta() as $folder => $meta) {
// skip root folder (already handled above)
if ($folder == self::ROOT_MAILBOX)
continue;
if (!empty($meta['FOLDER']) && isset($meta['FOLDER'][$id])) {
unset($meta['FOLDER'][$id]);
if (empty($meta['FOLDER'])) {
unset($this->folder_meta[$folder]['FOLDER']);
unset($meta['FOLDER']);
}
if (empty($meta)) {
unset($this->folder_meta[$folder]);
$meta = null;
}
$metadata = array(self::ASYNC_KEY => $this->serialize_metadata($meta));
$res = $storage->set_metadata($folder, $metadata);
if ($res && $meta) {
$this->folder_meta[$folder] = $meta;
}
}
}
}
return $result;
}
/**
* Device information (from syncroton database)
*
* @param string $id Device ID
*
* @return array Device data
*/
public function device_info($id)
{
$db = $this->rc->get_dbh();
$table = $db->table_name('syncroton_device');
if (in_array($table, $db->list_tables())) {
$fields = array('devicetype', 'acsversion', 'useragent', 'friendlyname', 'os',
'oslanguage', 'phonenumber');
$result = $db->query("SELECT " . $db->array2list($fields, 'ident')
. " FROM $table WHERE owner_id = ? AND id = ?",
$this->rc->user->ID, $id);
if ($result && ($sql_arr = $db->fetch_assoc($result))) {
return $sql_arr;
}
}
}
/**
* Helper method to decode saved IMAP metadata
*/
private function unserialize_metadata($str)
{
if (!empty($str)) {
$data = @json_decode($str, true);
return $data;
}
return null;
}
/**
* Helper method to encode IMAP metadata for saving
*/
private function serialize_metadata($data)
{
if (!empty($data) && is_array($data)) {
$data = json_encode($data);
return $data;
}
return null;
}
/**
* Compares two arrays
*
* @param array $array1
* @param array $array2
*
* @return bool True if arrays differs, False otherwise
*/
private static function data_array_diff($array1, $array2)
{
if (!is_array($array1) || !is_array($array2)) {
return $array1 != $array2;
}
if (count($array1) != count($array2)) {
return true;
}
foreach ($array1 as $key => $val) {
if (!array_key_exists($key, $array2)) {
return true;
}
if ($val !== $array2[$key]) {
return true;
}
}
return false;
}
}

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kolab_activesync.php (14 KB)

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