Commit 11a0bde4 authored by Evan Prodromou's avatar Evan Prodromou

AtomPub for single subscription

parent 2f2c47ec
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Single subscription
*
* 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 AtomPub
* @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);
}
require_once INSTALLDIR . '/lib/apiauth.php';
/**
* Show a single subscription
*
* @category AtomPub
* @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 AtompubshowsubscriptionAction extends ApiAuthAction
{
private $_subscriber = null;
private $_subscribed = null;
private $_subscription = null;
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
$subscriberId = $this->trimmed('subscriber');
$this->_subscriber = Profile::staticGet('id', $subscriberId);
if (empty($this->_subscriber)) {
throw new ClientException(sprintf(_('No such profile id: %d'),
$subscriberId), 404);
}
$subscribedId = $this->trimmed('subscribed');
$this->_subscribed = Profile::staticGet('id', $subscribedId);
if (empty($this->_subscribed)) {
throw new ClientException(sprintf(_('No such profile id: %d'),
$subscribedId), 404);
}
$this->_subscription =
Subscription::pkeyGet(array('subscriber' => $subscriberId,
'subscribed' => $subscribedId));
if (empty($this->_subscription)) {
$msg = sprintf(_('Profile %d not subscribed to profile %d'),
$subscriberId, $subscribedId);
throw new ClientException($msg, 404);
}
return true;
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
switch ($_SERVER['REQUEST_METHOD']) {
case 'GET':
$this->showSubscription();
break;
case 'DELETE':
$this->deleteSubscription();
break;
default:
$this->clientError(_('HTTP method not supported.'), 405);
return;
}
return;
}
/**
* Show the subscription in ActivityStreams Atom format.
*
* @return void
*/
function showSubscription()
{
$activity = $this->_subscription->asActivity();
header('Content-Type: application/atom+xml; charset=utf-8');
$this->startXML();
$this->raw($activity->asString(true, true, true));
$this->endXML();
return;
}
/**
* Delete the subscription
*
* @return void
*/
function deleteSubscription()
{
if (empty($this->auth_user) ||
$this->auth_user->id != $this->_subscriber->id) {
throw new ClientException(_("Can't delete someone else's".
" subscription"), 403);
}
Subscription::cancel($this->_subscriber,
$this->_subscribed);
return;
}
/**
* Is this action read only?
*
* @param array $args other arguments
*
* @return boolean true
*/
function isReadOnly($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
return false;
} else {
return true;
}
}
/**
* Return last modified, if applicable.
*
* MAY override
*
* @return string last modified http header
*/
function lastModified()
{
return max(strtotime($this->_subscriber->modified),
strtotime($this->_subscribed->modified),
strtotime($this->_subscription->modified));
}
/**
* Etag for this object
*
* @return string etag http header
*/
function etag()
{
$mtime = strtotime($this->_subscription->modified);
return 'W/"' . implode(':', array('AtomPubShowSubscription',
$this->_subscriber->id,
$this->_subscribed->id,
$mtime)) . '"';
}
/**
* Does this require authentication?
*
* @return boolean true if delete, else false
*/
function requiresAuth()
{
if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
return true;
} else {
return false;
}
}
}
......@@ -245,6 +245,8 @@ class Subscription extends Memcached_DataObject
$act->verb = ActivityVerb::FOLLOW;
// XXX: rationalize this with the URL
$act->id = TagURI::mint('follow:%d:%d:%s',
$subscriber->id,
$subscribed->id,
......@@ -262,6 +264,13 @@ class Subscription extends Memcached_DataObject
$act->actor = ActivityObject::fromProfile($subscriber);
$act->objects[] = ActivityObject::fromProfile($subscribed);
$url = common_local_url('AtomPubShowSubscription',
array('subscriber' => $subscriber->id,
'subscribed' => $subscribed->id));
$act->selfLink = $url;
$act->editLink = $url;
return $act;
}
}
......@@ -761,13 +761,6 @@ class Router
$m->connect('api/oauth/authorize',
array('action' => 'ApiOauthAuthorize'));
$m->connect('api/statusnet/app/service/:id.xml',
array('action' => 'ApiAtomService',
'id' => Nickname::DISPLAY_FMT));
$m->connect('api/statusnet/app/service.xml',
array('action' => 'ApiAtomService'));
// Admin
$m->connect('admin/site', array('action' => 'siteadminpanel'));
......@@ -909,6 +902,20 @@ class Router
array('nickname' => Nickname::DISPLAY_FMT));
}
// AtomPub API
$m->connect('api/statusnet/app/service/:id.xml',
array('action' => 'ApiAtomService',
'id' => Nickname::DISPLAY_FMT));
$m->connect('api/statusnet/app/service.xml',
array('action' => 'ApiAtomService'));
$m->connect('api/statusnet/app/subscriptions/:subscriber/:subscribed.atom',
array('action' => 'AtomPubShowSubscription'),
array('subscriber' => '[0-9]+',
'subscribed' => '[0-9]+'));
// user stuff
Event::handle('RouterInitialized', array($m));
......
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