* Copyright (C) 2010, StatusNet, Inc.
*
* AtomPub subscription feed
- *
+ *
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* @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';
+if (!defined('GNUSOCIAL') && !defined('STATUSNET')) { exit(1); }
/**
* Subscription feed class for AtomPub
*
* Generates a list of the user's subscriptions
- *
+ *
* @category AtomPub
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
-
-class AtompubsubscriptionfeedAction extends ApiAuthAction
+class AtompubsubscriptionfeedAction extends AtompubAction
{
private $_profile = null;
private $_subscriptions = null;
- /**
- * For initializing members of the class.
- *
- * @param array $argarray misc. arguments
- *
- * @return boolean true
- */
-
- function prepare($argarray)
+ protected function atompubPrepare()
{
- parent::prepare($argarray);
-
$subscriber = $this->trimmed('subscriber');
- $this->_profile = Profile::staticGet('id', $subscriber);
+ $this->_profile = Profile::getKV('id', $subscriber);
- if (empty($this->_profile)) {
- throw new ClientException(sprintf(_('No such profile id: %d'),
+ if (!$this->_profile instanceof Profile) {
+ // TRANS: Client exception thrown when trying to display a subscription for a non-existing profile ID.
+ // TRANS: %d is the non-existing profile ID number.
+ throw new ClientException(sprintf(_('No such profile id: %d.'),
$subscriber), 404);
}
- // page and count from ApiAction
-
- $offset = ($this->page-1) * $this->count;
-
- $this->_subscriptions = Subscription::bySubscriber($subscriber,
- $offset,
- $this->count + 1);
+ $this->_subscriptions = Subscription::bySubscriber($this->_profile->id,
+ $this->offset,
+ $this->limit);
return true;
}
- /**
- * Handler method
- *
- * @param array $argarray is ignored since it's now passed in in prepare()
- *
- * @return void
- */
-
- function handle($argarray=null)
+ protected function handleGet()
{
- parent::handle($argarray);
- switch ($_SERVER['REQUEST_METHOD']) {
- case 'HEAD':
- case 'GET':
- $this->showFeed();
- break;
- case 'POST':
- $this->addSubscription();
- break;
- default:
- $this->clientError(_('HTTP method not supported.'), 405);
- return;
- }
+ $this->showFeed();
+ }
- return;
+ protected function handlePost()
+ {
+ $this->addSubscription();
}
/**
*
* @return void
*/
-
function showFeed()
{
header('Content-Type: application/atom+xml; charset=utf-8');
$feed->addNamespace('media',
'http://purl.org/syndication/atommedia');
+ $feed->addNamespace('georss',
+ 'http://www.georss.org/georss');
+
$feed->id = $url;
$feed->setUpdated('now');
$feed->addAuthor($this->_profile->getBestName(),
$this->_profile->getURI());
+ // TRANS: Title for Atom subscription feed.
+ // TRANS: %s is a user nickname.
$feed->setTitle(sprintf(_("%s subscriptions"),
$this->_profile->getBestName()));
- $feed->setSubtitle(sprintf(_("People %s has subscribed to on %s"),
+ // TRANS: Subtitle for Atom subscription feed.
+ // TRANS: %1$s is a user nickname, %s$s is the StatusNet sitename.
+ $feed->setSubtitle(sprintf(_("People %1\$s has subscribed to on %2\$s"),
$this->_profile->getBestName(),
common_config('site', 'name')));
$feed->addLink(common_local_url('subscriptions',
- array('nickname' =>
+ array('nickname' =>
$this->_profile->nickname)));
$feed->addLink($url,
array('rel' => 'self',
'type' => 'application/atom+xml'));
-
+
// If there's more...
if ($this->page > 1) {
'type' => 'application/atom+xml'));
$feed->addLink(common_local_url('AtomPubSubscriptionFeed',
- array('subscriber' =>
+ array('subscriber' =>
$this->_profile->id),
- array('page' =>
+ array('page' =>
$this->page - 1)),
array('rel' => 'prev',
'type' => 'application/atom+xml'));
*
* @return void
*/
-
function addSubscription()
{
if (empty($this->auth_user) ||
$this->auth_user->id != $this->_profile->id) {
- throw new ClientException(_("Can't add someone else's".
- " subscription"), 403);
+ // TRANS: Client exception thrown when trying to subscribe another user.
+ throw new ClientException(_("Cannot add someone else's".
+ " subscription."), 403);
}
-
+
$xml = file_get_contents('php://input');
$dom = DOMDocument::loadXML($xml);
$dom->documentElement->localName != 'entry') {
// TRANS: Client error displayed when not using an Atom entry.
$this->clientError(_('Atom post must be an Atom entry.'));
- return;
}
$activity = new Activity($dom->documentElement);
if (Event::handle('StartAtomPubNewActivity', array(&$activity))) {
if ($activity->verb != ActivityVerb::FOLLOW) {
- // TRANS: Client error displayed when not using the POST verb.
- // TRANS: Do not translate POST.
+ // TRANS: Client error displayed when not using the follow verb.
$this->clientError(_('Can only handle Follow activities.'));
- return;
}
$person = $activity->objects[0];
if ($person->type != ActivityObject::PERSON) {
+ // TRANS: Client exception thrown when subscribing to an object that is not a person.
$this->clientError(_('Can only follow people.'));
- return;
}
// XXX: OStatus discovery (maybe)
+ try {
+ $profile = Profile::fromUri($person->id);
+ } catch (UnknownUriException $e) {
+ // TRANS: Client exception thrown when subscribing to a non-existing profile.
+ // TRANS: %s is the unknown profile ID.
+ $this->clientError(sprintf(_('Unknown profile %s.'), $person->id));
+ }
- $profile = Profile::fromURI($person->id);
-
- if (empty($profile)) {
- $this->clientError(sprintf(_('Unknown profile %s'), $person->id));
- return;
+ if (Subscription::exists($this->_profile, $profile)) {
+ // 409 Conflict
+ // TRANS: Client error displayed trying to subscribe to an already subscribed profile.
+ // TRANS: %s is the profile the user already has a subscription on.
+ $this->clientError(sprintf(_('Already subscribed to %s.'),
+ $person->id),
+ 409);
}
if (Subscription::start($this->_profile, $profile)) {
$this->endXML();
}
}
-
- /**
- * Return true if read only.
- *
- * @param array $args other arguments
- *
- * @return boolean is read only action?
- */
-
- function isReadOnly($args)
- {
- return $_SERVER['REQUEST_METHOD'] != 'POST';
- }
-
- /**
- * Return last modified, if applicable.
- *
- * @return string last modified http header
- */
-
- function lastModified()
- {
- return null;
- }
-
- /**
- * Return etag, if applicable.
- *
- * @return string etag http header
- */
-
- function etag()
- {
- return null;
- }
-
- /**
- * Does this require authentication?
- *
- * @return boolean true if delete, else false
- */
-
- function requiresAuth()
- {
- if ($_SERVER['REQUEST_METHOD'] == 'POST') {
- return true;
- } else {
- return false;
- }
- }
}