162 lines
4.7 KiB
PHP
162 lines
4.7 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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* Importer for feeds of activities
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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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* Importer for feeds of activities
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*
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* Takes an XML file representing a feed of activities and imports each
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* activity to the user in question.
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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 FeedImporter extends QueueHandler
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{
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/**
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* Transport identifier
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*
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* @return string identifier for this queue handler
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*/
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public function transport()
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{
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return 'feedimp';
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}
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function handle($data)
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{
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list($user, $xml, $trusted) = $data;
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try {
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$doc = DOMDocument::loadXML($xml);
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$feed = $doc->documentElement;
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if ($feed->namespaceURI != Activity::ATOM ||
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$feed->localName != 'feed') {
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// TRANS: Client exception thrown when an imported feed is not an Atom feed.
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throw new ClientException(_("Not an Atom feed."));
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}
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$author = ActivityUtils::getFeedAuthor($feed);
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if (empty($author)) {
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// TRANS: Client exception thrown when an imported feed does not have an author.
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throw new ClientException(_("No author in the feed."));
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}
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if (empty($user)) {
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if ($trusted) {
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$user = $this->userFromAuthor($author);
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} else {
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// TRANS: Client exception thrown when an imported feed does not have an author that
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// TRANS: can be associated with a user.
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throw new ClientException(_("Cannot import without a user."));
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}
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}
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$activities = $this->getActivities($feed);
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$qm = QueueManager::get();
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foreach ($activities as $activity) {
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$qm->enqueue(array($user, $author, $activity, $trusted), 'actimp');
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}
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} catch (ClientException $ce) {
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common_log(LOG_WARNING, $ce->getMessage());
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return true;
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} catch (ServerException $se) {
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common_log(LOG_ERR, $ce->getMessage());
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return false;
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} catch (Exception $e) {
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common_log(LOG_ERR, $ce->getMessage());
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return false;
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}
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}
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function getActivities($feed)
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{
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$entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
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$activities = array();
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for ($i = 0; $i < $entries->length; $i++) {
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$activities[] = new Activity($entries->item($i));
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}
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usort($activities, array("FeedImporter", "activitySort"));
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return $activities;
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}
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/**
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* Sort activities oldest-first
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*/
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static function activitySort($a, $b)
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{
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if ($a->time == $b->time) {
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return 0;
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} else if ($a->time < $b->time) {
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return -1;
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} else {
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return 1;
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}
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}
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function userFromAuthor($author)
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{
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$user = User::getKV('uri', $author->id);
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if (empty($user)) {
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$attrs =
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array('nickname' => Ostatus_profile::getActivityObjectNickname($author),
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'uri' => $author->id);
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$user = User::register($attrs);
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}
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$profile = $user->getProfile();
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Ostatus_profile::updateProfile($profile, $author);
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// @todo FIXME: Update avatar
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return $user;
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}
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}
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