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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Importer for feeds of activities
*
* 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);
}
/**
* Importer for feeds of activities
*
* Takes an XML file representing a feed of activities and imports each
* activity to the user in question.
*
* @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 FeedImporter extends QueueHandler
{
/**
* Transport identifier
*
* @return string identifier for this queue handler
*/
public function transport()
{
return 'feedimp';
}
function handle($data)
{
list($user, $xml, $trusted) = $data;
try {
$doc = DOMDocument::loadXML($xml);
$feed = $doc->documentElement;
if ($feed->namespaceURI != Activity::ATOM ||
$feed->localName != 'feed') {
throw new ClientException(_("Not an atom feed."));
}
$author = ActivityUtils::getFeedAuthor($feed);
if (empty($author)) {
throw new ClientException(_("No author in the feed."));
}
if (empty($user)) {
if ($trusted) {
$user = $this->userFromAuthor($author);
} else {
throw new ClientException(_("Can't import without a user."));
}
}
$activities = $this->getActivities($feed);
$qm = QueueManager::get();
foreach ($activities as $activity) {
$qm->enqueue(array($user, $author, $activity, $trusted), 'actimp');
}
} catch (ClientException $ce) {
common_log(LOG_WARNING, $ce->getMessage());
return true;
} catch (ServerException $se) {
common_log(LOG_ERR, $ce->getMessage());
return false;
} catch (Exception $e) {
common_log(LOG_ERR, $ce->getMessage());
return false;
}
}
function getActivities($feed)
{
$entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
$activities = array();
for ($i = 0; $i < $entries->length; $i++) {
$activities[] = new Activity($entries->item($i));
}
usort($activities, array("FeedImporter", "activitySort"));
return $activities;
}
/**
* Sort activities oldest-first
*/
static function activitySort($a, $b)
{
if ($a->time == $b->time) {
return 0;
} else if ($a->time < $b->time) {
return -1;
} else {
return 1;
}
}
function userFromAuthor($author)
{
$user = User::staticGet('uri', $author->id);
if (empty($user)) {
$attrs =
array('nickname' => Ostatus_profile::getActivityObjectNickname($author),
'uri' => $author->id);
$user = User::register($attrs);
}
$profile = $user->getProfile();
Ostatus_profile::updateProfile($profile, $author);
// FIXME: Update avatar
return $user;
}
}
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