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
{
private $_user = null;
private $_profile = null;
private $_remote = null;
private $_sink = null;
function __construct($user, $remote, $password)
{
$this->_user = $user;
$this->_profile = $user->getProfile();
$remote = Discovery::normalize($remote);
$oprofile = Ostatus_profile::ensureProfileURI($remote);
if (empty($oprofile)) {
throw new Exception("Can't locate account {$remote}");
}
$this->_remote = $oprofile->localProfile();
list($svcDocUrl, $username) = self::getServiceDocument($remote);
$this->_sink = new ActivitySink($svcDocUrl, $username, $password);
}
static function getServiceDocument($remote)
{
$discovery = new Discovery();
$xrd = $discovery->lookup($remote);
if (empty($xrd)) {
throw new Exception("Can't find XRD for $remote");
}
$svcDocUrl = null;
$username = null;
foreach ($xrd->links as $link) {
if ($link['rel'] == 'http://apinamespace.org/atom' &&
$link['type'] == 'application/atomsvc+xml') {
$svcDocUrl = $link['href'];
if (!empty($link['property'])) {
foreach ($link['property'] as $property) {
if ($property['type'] == 'http://apinamespace.org/atom/username') {
$username = $property['value'];
break;
}
}
}
break;
}
}
if (empty($svcDocUrl)) {
throw new Exception("No AtomPub API service for $remote.");
}
return array($svcDocUrl, $username);
}
function move()
{
$this->log(LOG_INFO,
"Moving user {$this->_user->nickname} to {$this->_remote->nickname}");
$stream = new UserActivityStream($this->_user);
$acts = array_reverse($stream->activities);
$this->log(LOG_INFO,
"Got {count($acts)} activities ".
"for {$this->_user->nickname}");
// Reverse activities to run in correct chron order
foreach ($acts as $act) {
try {
$this->_moveActivity($act);
} catch (Exception $e) {
$this->log(LOG_ERR,
"Error moving activity {$act->id} {$act->verb}: " .
$e->getMessage());
continue;
}
}
$this->log(LOG_INFO,
"Finished moving user {$this->_user->nickname} ".
"to {$this->_remote->nickname}");
}
private function _moveActivity($act)
{
switch ($act->verb) {
case ActivityVerb::FAVORITE:
$this->log(LOG_INFO,
"Moving favorite of {$act->objects[0]->id} by ".
"{$act->actor->id} to {$this->_remote->nickname}.");
// push it, then delete local
$this->_sink->postActivity($act);
$notice = Notice::staticGet('uri', $act->objects[0]->id);
if (!empty($notice)) {
$fave = Fave::pkeyGet(array('user_id' => $this->_user->id,
'notice_id' => $notice->id));
$fave->delete();
}
break;
case ActivityVerb::POST:
$this->log(LOG_INFO,
"Moving notice {$act->objects[0]->id} by ".
"{$act->actor->id} to {$this->_remote->nickname}.");
// XXX: send a reshare, not a post
$this->_sink->postActivity($act);
$notice = Notice::staticGet('uri', $act->objects[0]->id);
if (!empty($notice)) {
$notice->delete();
}
break;
case ActivityVerb::JOIN:
$this->log(LOG_INFO,
"Moving group join of {$act->objects[0]->id} by ".
"{$act->actor->id} to {$this->_remote->nickname}.");
$this->_sink->postActivity($act);
$group = User_group::staticGet('uri', $act->objects[0]->id);
if (!empty($group)) {
Group_member::leave($group->id, $this->_user->id);
}
break;
case ActivityVerb::FOLLOW:
if ($act->actor->id == $this->_user->uri) {
$this->log(LOG_INFO,
"Moving subscription to {$act->objects[0]->id} by ".
"{$act->actor->id} to {$this->_remote->nickname}.");
$this->_sink->postActivity($act);
$other = Profile::fromURI($act->objects[0]->id);
if (!empty($other)) {
Subscription::cancel($this->_profile, $other);
}
} else {
$otherUser = User::staticGet('uri', $act->actor->id);
if (!empty($otherUser)) {
$this->log(LOG_INFO,
"Changing sub to {$act->objects[0]->id}".
"by {$act->actor->id} to {$this->_remote->nickname}.");
$otherProfile = $otherUser->getProfile();
Subscription::start($otherProfile, $this->_remote);
Subscription::cancel($otherProfile, $this->_user->getProfile());
} else {
$this->log(LOG_NOTICE,
"Not changing sub to {$act->objects[0]->id}".
"by remote {$act->actor->id} ".
"to {$this->_remote->nickname}.");
}
}
break;
}
}
2011-01-18 05:06:15 +09:00
/**
* Log some data
*
* 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);
}
}