AtomPub for single subscription
This commit is contained in:
Evan Prodromou
parent
2f2c47eca9
commit
11a0bde459
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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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* Single subscription
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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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require_once INSTALLDIR . '/lib/apiauth.php';
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/**
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* Show a single subscription
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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 AtompubshowsubscriptionAction extends ApiAuthAction
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{
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private $_subscriber = null;
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private $_subscribed = null;
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private $_subscription = 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($argarray);
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$subscriberId = $this->trimmed('subscriber');
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$this->_subscriber = Profile::staticGet('id', $subscriberId);
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if (empty($this->_subscriber)) {
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throw new ClientException(sprintf(_('No such profile id: %d'),
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$subscriberId), 404);
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}
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$subscribedId = $this->trimmed('subscribed');
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$this->_subscribed = Profile::staticGet('id', $subscribedId);
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if (empty($this->_subscribed)) {
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throw new ClientException(sprintf(_('No such profile id: %d'),
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$subscribedId), 404);
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}
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$this->_subscription =
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Subscription::pkeyGet(array('subscriber' => $subscriberId,
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'subscribed' => $subscribedId));
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if (empty($this->_subscription)) {
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$msg = sprintf(_('Profile %d not subscribed to profile %d'),
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$subscriberId, $subscribedId);
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throw new ClientException($msg, 404);
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}
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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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switch ($_SERVER['REQUEST_METHOD']) {
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case 'GET':
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$this->showSubscription();
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break;
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case 'DELETE':
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$this->deleteSubscription();
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break;
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default:
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$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 subscription in ActivityStreams Atom format.
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*
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* @return void
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*/
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function showSubscription()
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{
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$activity = $this->_subscription->asActivity();
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header('Content-Type: application/atom+xml; charset=utf-8');
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$this->startXML();
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$this->raw($activity->asString(true, true, true));
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$this->endXML();
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return;
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}
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/**
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* Delete the subscription
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*
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* @return void
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*/
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function deleteSubscription()
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{
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if (empty($this->auth_user) ||
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$this->auth_user->id != $this->_subscriber->id) {
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throw new ClientException(_("Can't delete someone else's".
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" subscription"), 403);
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}
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Subscription::cancel($this->_subscriber,
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$this->_subscribed);
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return;
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}
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/**
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* Is this action read only?
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*
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* @param array $args other arguments
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*
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* @return boolean true
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*/
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function isReadOnly($args)
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{
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if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
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return false;
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} else {
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return true;
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}
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}
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/**
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* Return last modified, if applicable.
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*
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* MAY override
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*
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* @return string last modified http header
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*/
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function lastModified()
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{
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return max(strtotime($this->_subscriber->modified),
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strtotime($this->_subscribed->modified),
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strtotime($this->_subscription->modified));
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}
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/**
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* Etag for this object
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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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$mtime = strtotime($this->_subscription->modified);
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return 'W/"' . implode(':', array('AtomPubShowSubscription',
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$this->_subscriber->id,
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$this->_subscribed->id,
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$mtime)) . '"';
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}
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/**
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* Does this require authentication?
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*
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* @return boolean true if delete, else false
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*/
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function requiresAuth()
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{
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if ($_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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@ -245,6 +245,8 @@ class Subscription extends Memcached_DataObject
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$act->verb = ActivityVerb::FOLLOW;
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// XXX: rationalize this with the URL
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$act->id = TagURI::mint('follow:%d:%d:%s',
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$subscriber->id,
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$subscribed->id,
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@ -262,6 +264,13 @@ class Subscription extends Memcached_DataObject
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$act->actor = ActivityObject::fromProfile($subscriber);
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$act->objects[] = ActivityObject::fromProfile($subscribed);
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$url = common_local_url('AtomPubShowSubscription',
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array('subscriber' => $subscriber->id,
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'subscribed' => $subscribed->id));
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$act->selfLink = $url;
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$act->editLink = $url;
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return $act;
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}
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}
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@ -761,13 +761,6 @@ class Router
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$m->connect('api/oauth/authorize',
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array('action' => 'ApiOauthAuthorize'));
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$m->connect('api/statusnet/app/service/:id.xml',
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array('action' => 'ApiAtomService',
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'id' => Nickname::DISPLAY_FMT));
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$m->connect('api/statusnet/app/service.xml',
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array('action' => 'ApiAtomService'));
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// Admin
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$m->connect('admin/site', array('action' => 'siteadminpanel'));
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@ -909,6 +902,20 @@ class Router
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array('nickname' => Nickname::DISPLAY_FMT));
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}
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// AtomPub API
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$m->connect('api/statusnet/app/service/:id.xml',
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array('action' => 'ApiAtomService',
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'id' => Nickname::DISPLAY_FMT));
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$m->connect('api/statusnet/app/service.xml',
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array('action' => 'ApiAtomService'));
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$m->connect('api/statusnet/app/subscriptions/:subscriber/:subscribed.atom',
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array('action' => 'AtomPubShowSubscription'),
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array('subscriber' => '[0-9]+',
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'subscribed' => '[0-9]+'));
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// user stuff
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Event::handle('RouterInitialized', array($m));
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