forked from GNUsocial/gnu-social
6f593a79d4
We should probably get rid of this function, at least storing everything in lib/mail.php - but until then, at least let's make it more understandable.
375 lines
11 KiB
PHP
375 lines
11 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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* Feed of ActivityStreams 'favorite' actions
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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 AtomPub
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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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* Feed of ActivityStreams 'favorite' actions
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*
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* @category AtomPub
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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 AtompubfavoritefeedAction extends ApiAuthAction
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{
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private $_profile = null;
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private $_faves = null;
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/**
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* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
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$this->_profile = Profile::getKV('id', $this->trimmed('profile'));
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if (empty($this->_profile)) {
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// TRANS: Client exception thrown when requesting a favorite feed for a non-existing profile.
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throw new ClientException(_('No such profile.'), 404);
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}
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$offset = ($this->page-1) * $this->count;
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$limit = $this->count + 1;
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$this->_faves = Fave::byProfile($this->_profile->id,
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$offset,
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$limit);
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return true;
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}
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/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
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* @return void
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*/
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function handle($argarray=null)
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{
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parent::handle($argarray);
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switch ($_SERVER['REQUEST_METHOD']) {
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case 'HEAD':
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case 'GET':
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$this->showFeed();
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break;
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case 'POST':
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$this->addFavorite();
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break;
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default:
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// TRANS: Client exception thrown when using an unsupported HTTP method.
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throw new ClientException(_('HTTP method not supported.'), 405);
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return;
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}
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return;
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}
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/**
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* Show a feed of favorite activity streams objects
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*
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* @return void
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*/
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function showFeed()
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{
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header('Content-Type: application/atom+xml; charset=utf-8');
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$url = common_local_url('AtomPubFavoriteFeed',
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array('profile' => $this->_profile->id));
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$feed = new Atom10Feed(true);
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$feed->addNamespace('activity',
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'http://activitystrea.ms/spec/1.0/');
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$feed->addNamespace('poco',
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'http://portablecontacts.net/spec/1.0');
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$feed->addNamespace('media',
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'http://purl.org/syndication/atommedia');
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$feed->id = $url;
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$feed->setUpdated('now');
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$feed->addAuthor($this->_profile->getBestName(),
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$this->_profile->getUri());
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// TRANS: Title for Atom favorites feed.
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// TRANS: %s is a user nickname.
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$feed->setTitle(sprintf(_("%s favorites"),
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$this->_profile->getBestName()));
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// TRANS: Subtitle for Atom favorites feed.
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// TRANS: %1$s is a user nickname, %2$s is the StatusNet sitename.
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$feed->setSubtitle(sprintf(_('Notices %1$s has favorited on %2$s'),
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$this->_profile->getBestName(),
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common_config('site', 'name')));
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$feed->addLink(common_local_url('showfavorites',
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array('nickname' =>
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$this->_profile->nickname)));
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$feed->addLink($url,
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array('rel' => 'self',
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'type' => 'application/atom+xml'));
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// If there's more...
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if ($this->page > 1) {
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$feed->addLink($url,
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array('rel' => 'first',
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'type' => 'application/atom+xml'));
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$feed->addLink(common_local_url('AtomPubFavoriteFeed',
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array('profile' =>
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$this->_profile->id),
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array('page' =>
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$this->page - 1)),
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array('rel' => 'prev',
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'type' => 'application/atom+xml'));
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}
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if ($this->_faves->N > $this->count) {
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$feed->addLink(common_local_url('AtomPubFavoriteFeed',
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array('profile' =>
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$this->_profile->id),
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array('page' =>
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$this->page + 1)),
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array('rel' => 'next',
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'type' => 'application/atom+xml'));
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}
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$i = 0;
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while ($this->_faves->fetch()) {
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// We get one more than needed; skip that one
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$i++;
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if ($i > $this->count) {
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break;
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}
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$act = $this->_faves->asActivity();
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$feed->addEntryRaw($act->asString(false, false, false));
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}
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$this->raw($feed->getString());
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}
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/**
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* add a new favorite
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*
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* @return void
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*/
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function addFavorite()
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{
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// XXX: Refactor this; all the same for atompub
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if (empty($this->auth_user) ||
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$this->auth_user->id != $this->_profile->id) {
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// TRANS: Client exception thrown when trying to set a favorite for another user.
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throw new ClientException(_("Cannot add someone else's".
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" subscription."), 403);
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}
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$xml = file_get_contents('php://input');
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$dom = DOMDocument::loadXML($xml);
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if ($dom->documentElement->namespaceURI != Activity::ATOM ||
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$dom->documentElement->localName != 'entry') {
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// TRANS: Client error displayed when not using an Atom entry.
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throw new ClientException(_('Atom post must be an Atom entry.'));
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return;
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}
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$activity = new Activity($dom->documentElement);
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$fave = null;
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if (Event::handle('StartAtomPubNewActivity', array(&$activity))) {
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if ($activity->verb != ActivityVerb::FAVORITE) {
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// TRANS: Client exception thrown when trying use an incorrect activity verb for the Atom pub method.
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throw new ClientException(_('Can only handle favorite activities.'));
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return;
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}
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$note = $activity->objects[0];
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if (!in_array($note->type, array(ActivityObject::NOTE,
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ActivityObject::BLOGENTRY,
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ActivityObject::STATUS))) {
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// TRANS: Client exception thrown when trying favorite an object that is not a notice.
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throw new ClientException(_('Can only fave notices.'));
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return;
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}
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$notice = Notice::getKV('uri', $note->id);
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if (empty($notice)) {
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// XXX: import from listed URL or something
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// TRANS: Client exception thrown when trying favorite a notice without content.
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throw new ClientException(_('Unknown notice.'));
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}
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$old = Fave::pkeyGet(array('user_id' => $this->auth_user->id,
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'notice_id' => $notice->id));
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if (!empty($old)) {
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// TRANS: Client exception thrown when trying favorite an already favorited notice.
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throw new ClientException(_('Already a favorite.'));
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}
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$profile = $this->auth_user->getProfile();
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$fave = Fave::addNew($profile, $notice);
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if ($fave instanceof Fave) {
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Fave::blowCacheForProfileId($this->_profile->id);
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$this->notify($fave, $notice, $this->auth_user);
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}
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Event::handle('EndAtomPubNewActivity', array($activity, $fave));
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}
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if (!empty($fave)) {
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$act = $fave->asActivity();
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header('Content-Type: application/atom+xml; charset=utf-8');
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header('Content-Location: ' . $act->selfLink);
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$this->startXML();
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$this->raw($act->asString(true, true, true));
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$this->endXML();
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}
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}
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/**
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* Return true if read only.
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*
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* MAY override
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
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$_SERVER['REQUEST_METHOD'] == 'HEAD') {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Return last modified, if applicable.
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*
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* MAY override
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*
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* @return string last modified http header
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*/
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function lastModified()
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{
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// For comparison with If-Last-Modified
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// If not applicable, return null
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return null;
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}
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/**
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* Return etag, if applicable.
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*
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* MAY override
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*
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* @return string etag http header
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*/
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function etag()
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{
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return null;
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}
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/**
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* Does this require authentication?
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*
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* @return boolean true if delete, else false
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*/
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function requiresAuth()
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{
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if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
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$_SERVER['REQUEST_METHOD'] == 'HEAD') {
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return false;
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} else {
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return true;
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}
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}
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/**
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* Notify the author of the favorite that the user likes their notice
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*
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* @param Favorite $fave the favorite in question
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* @param Notice $notice the notice that's been faved
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* @param User $user the user doing the favoriting
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*
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* @return void
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*/
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function notify($fave, $notice, $user)
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{
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$other = User::getKV('id', $notice->profile_id);
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if ($other && $other->id != $user->id) {
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if ($other->email && $other->emailnotifyfav) {
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require_once INSTALLDIR.'/lib/mail.php';
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mail_notify_fave($other, $user->getProfile(), $notice);
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}
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// XXX: notify by IM
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// XXX: notify by SMS
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}
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}
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}
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