gnu-social/lib/accountmover.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* A class for moving an account to a new server
*
* PHP version 5
*
* 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/>.
*
* @category Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Moves an account from this server to another
*
* @category Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class AccountMover extends QueueHandler
{
function transport()
{
return 'acctmove';
}
function handle($object)
{
list($user, $remote, $password) = $object;
$remote = Discovery::normalize($remote);
$oprofile = Ostatus_profile::ensureProfileURI($remote);
if (empty($oprofile)) {
// TRANS: Exception thrown when an account could not be located when it should be moved.
// TRANS: %s is the remote site.
throw new Exception(sprintf(_("Cannot locate account %s."),$remote));
}
list($svcDocUrl, $username) = self::getServiceDocument($remote);
$sink = new ActivitySink($svcDocUrl, $username, $password);
$this->log(LOG_INFO,
"Moving user {$user->nickname} ".
"to {$remote}.");
$stream = new UserActivityStream($user);
// Reverse activities to run in correct chron order
$acts = array_reverse($stream->activities);
$this->log(LOG_INFO,
"Got ".count($acts)." activities ".
"for {$user->nickname}.");
$qm = QueueManager::get();
foreach ($acts as $act) {
$qm->enqueue(array($act, $sink, $user->uri, $remote), 'actmove');
}
$this->log(LOG_INFO,
"Finished moving user {$user->nickname} ".
"to {$remote}.");
}
static function getServiceDocument($remote)
{
$discovery = new Discovery();
$xrd = $discovery->lookup($remote);
if (empty($xrd)) {
// TRANS: Exception thrown when a service document could not be located account move.
// TRANS: %s is the remote site.
throw new Exception(sprintf(_("Cannot find XRD for %s."),$remote));
}
$svcDocUrl = null;
$username = null;
$link = $xrd->links->get('http://apinamespace.org/atom', 'application/atomsvc+xml');
if (!is_null($link)) {
$svcDocUrl = $link->href;
if (isset($link['http://apinamespace.org/atom/username'])) {
$username = $link['http://apinamespace.org/atom/username'];
break;
}
}
if (empty($svcDocUrl)) {
// TRANS: Exception thrown when an account could not be located when it should be moved.
// TRANS: %s is the remote site.
throw new Exception(sprintf(_("No AtomPub API service for %s."),$remote));
}
return array($svcDocUrl, $username);
}
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/**
* Log some data
*
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* Add a header for our class so we know who did it.
*
* @param int $level Log level, like LOG_ERR or LOG_INFO
* @param string $message Message to log
*
* @return void
*/
protected function log($level, $message)
{
common_log($level, "AccountMover: " . $message);
}
}