Add subscription feed for AtomPub
This commit is contained in:
Evan Prodromou
parent
34b8eb207d
commit
c619a257fe
262
actions/atompubsubscriptionfeed.php
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262
actions/atompubsubscriptionfeed.php
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<?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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* AtomPub subscription feed
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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 Cache
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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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require_once INSTALLDIR . '/lib/apiauth.php';
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/**
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* Subscription feed class for AtomPub
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*
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* Generates a list of the user's subscriptions
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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 AtompubsubscriptionfeedAction extends ApiAuthAction
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{
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private $_profile = null;
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private $_subscribed = 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($argarray);
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$subscriber = $this->trimmed('subscriber');
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$this->_profile = Profile::staticGet('id', $subscriber);
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if (empty($this->_profile)) {
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throw new ClientException(sprintf(_('No such profile id: %d'),
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$subscriber), 404);
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}
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// page and count from ApiAction
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// Note: this is a list of profiles, not subscriptions
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$this->_subscribed =
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$this->_profile->getSubscriptions(($this->page-1) * $this->count,
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$this->count + 1);
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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->addSubscription();
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break;
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default:
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$this->clientError(_('HTTP method not supported.'), 405);
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return;
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}
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return;
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}
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/**
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* Show the feed of subscriptions
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*
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* @return void
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*/
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function showFeed()
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{
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header('Content-Type: application/atom+xml; charset=utf-8');
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$url = common_local_url('AtomPubSubscriptionFeed',
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array('subscriber' => $this->_profile->id));
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$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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$this->_profile->getURI());
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$feed->setTitle(sprintf(_("%s subscriptions"),
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$this->_profile->getBestName()));
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$feed->setSubtitle(sprintf(_("People %s has subscribed to on %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('subscriptions',
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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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$feed->addLink(common_local_url('AtomPubSubscriptionFeed',
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array('subscriber' =>
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$this->_profile->id,
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'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->_subscribed->N > $this->count) {
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$feed->addLink(common_local_url('AtomPubSubscriptionFeed',
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array('subscriber' =>
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$this->_profile->id,
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'page' =>
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$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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$i = 0;
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// XXX: This is kind of inefficient
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while ($this->_subscribed->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 > $this->count) {
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break;
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}
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$sub = Subscription::pkeyGet(array('subscriber' =>
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$this->_profile->id,
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'subscribed' =>
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$this->_subscribed->id));
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$act = $sub->asActivity();
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$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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* Return true if read only.
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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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return $_SERVER['REQUEST_METHOD'] != 'POST';
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}
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/**
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* Return last modified, if applicable.
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*
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* @return string last modified http header
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*/
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function lastModified()
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{
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return null;
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}
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/**
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* Return etag, if applicable.
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*
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* @return string etag http header
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*/
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function etag()
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{
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return null;
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}
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/**
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* Does this require authentication?
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*
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* @return boolean true if delete, else false
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*/
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function requiresAuth()
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{
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if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
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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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@ -163,6 +163,22 @@ class SubscriptionsAction extends GalleryAction
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$cloud2 = new SubscriptionsPeopleSelfTagCloudSection($this);
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$cloud2 = new SubscriptionsPeopleSelfTagCloudSection($this);
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$cloud2->show();
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$cloud2->show();
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}
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}
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/**
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* Link to feeds of subscriptions
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*
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* @return array of Feed objects
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*/
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function getFeeds()
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{
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return array(new Feed(Feed::ATOM,
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common_local_url('AtomPubSubscriptionFeed',
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array('subscriber' => $this->profile->id)),
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sprintf(_('Subscription feed for %s (Atom)'),
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$this->profile->nickname)));
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}
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}
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}
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// XXX SubscriptionsList and SubscriptionList are dangerously close
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// XXX SubscriptionsList and SubscriptionList are dangerously close
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@ -247,4 +263,5 @@ class SubscriptionsListItem extends SubscriptionListItem
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$this->out->elementEnd('form');
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$this->out->elementEnd('form');
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return;
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return;
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}
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}
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}
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}
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@ -916,6 +916,10 @@ class Router
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array('subscriber' => '[0-9]+',
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array('subscriber' => '[0-9]+',
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'subscribed' => '[0-9]+'));
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'subscribed' => '[0-9]+'));
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$m->connect('api/statusnet/app/subscriptions/:subscriber.atom',
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array('action' => 'AtomPubSubscriptionFeed'),
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array('subscriber' => '[0-9]+'));
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// user stuff
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// user stuff
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Event::handle('RouterInitialized', array($m));
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Event::handle('RouterInitialized', array($m));
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