forked from GNUsocial/gnu-social
190 lines
5.9 KiB
PHP
190 lines
5.9 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* A class for moving an account to a new server
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Account
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Moves an account from this server to another
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*
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* @category Account
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class AccountMover
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{
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private $_user = null;
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private $_profile = null;
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private $_remote = null;
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private $_sink = null;
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function __construct($user, $remote, $password)
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{
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$this->_user = $user;
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$this->_profile = $user->getProfile();
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$remote = Discovery::normalize($remote);
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$oprofile = Ostatus_profile::ensureProfileURI($remote);
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if (empty($oprofile)) {
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throw new Exception("Can't locate account {$remote}");
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}
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$this->_remote = $oprofile->localProfile();
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list($svcDocUrl, $username) = self::getServiceDocument($remote);
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$this->_sink = new ActivitySink($svcDocUrl, $username, $password);
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}
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static function getServiceDocument($remote)
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{
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$discovery = new Discovery();
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$xrd = $discovery->lookup($remote);
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if (empty($xrd)) {
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throw new Exception("Can't find XRD for $remote");
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}
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$svcDocUrl = null;
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$username = null;
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foreach ($xrd->links as $link) {
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if ($link['rel'] == 'http://apinamespace.org/atom' &&
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$link['type'] == 'application/atomsvc+xml') {
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$svcDocUrl = $link['href'];
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if (!empty($link['property'])) {
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foreach ($link['property'] as $property) {
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if ($property['type'] == 'http://apinamespace.org/atom/username') {
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$username = $property['value'];
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break;
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}
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}
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}
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break;
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}
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}
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if (empty($svcDocUrl)) {
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throw new Exception("No AtomPub API service for $remote.");
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}
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return array($svcDocUrl, $username);
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}
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function move()
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{
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$stream = new UserActivityStream($this->_user);
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$acts = array_reverse($stream->activities);
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// Reverse activities to run in correct chron order
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foreach ($acts as $act) {
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$this->_moveActivity($act);
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}
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}
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private function _moveActivity($act)
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{
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switch ($act->verb) {
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case ActivityVerb::FAVORITE:
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// push it, then delete local
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$this->_sink->postActivity($act);
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$notice = Notice::staticGet('uri', $act->objects[0]->id);
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if (!empty($notice)) {
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$fave = Fave::pkeyGet(array('user_id' => $this->_user->id,
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'notice_id' => $notice->id));
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$fave->delete();
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}
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break;
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case ActivityVerb::POST:
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// XXX: send a reshare, not a post
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common_log(LOG_INFO, "Pushing notice {$act->objects[0]->id} to {$this->_remote->getURI()}");
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$this->_sink->postActivity($act);
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$notice = Notice::staticGet('uri', $act->objects[0]->id);
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if (!empty($notice)) {
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$notice->delete();
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}
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break;
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case ActivityVerb::JOIN:
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$this->_sink->postActivity($act);
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$group = User_group::staticGet('uri', $act->objects[0]->id);
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if (!empty($group)) {
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Group_member::leave($group->id, $this->_user->id);
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}
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break;
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case ActivityVerb::FOLLOW:
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if ($act->actor->id == $this->_user->uri) {
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$this->_sink->postActivity($act);
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$other = Profile::fromURI($act->objects[0]->id);
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if (!empty($other)) {
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Subscription::cancel($this->_profile, $other);
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}
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} else {
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$otherUser = User::staticGet('uri', $act->actor->id);
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if (!empty($otherUser)) {
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$otherProfile = $otherUser->getProfile();
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Subscription::start($otherProfile, $this->_remote);
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Subscription::cancel($otherProfile, $this->_user->getProfile());
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} else {
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// It's a remote subscription. Do something here!
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}
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}
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break;
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}
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}
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/**
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* Log some data
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*
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* Add a header for our class so we know who did it.
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*
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* @param int $level Log level, like LOG_ERR or LOG_INFO
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* @param string $message Message to log
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*
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* @return void
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*/
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protected function log($level, $message)
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{
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common_log($level, "AccountMover: " . $message);
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}
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}
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