355 lines
11 KiB
PHP
355 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2010, StatusNet, Inc.
|
|
*
|
|
* Feed of group memberships for a user, in ActivityStreams format
|
|
*
|
|
* 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';
|
|
|
|
/**
|
|
* Feed of group memberships for a user, in ActivityStreams format
|
|
*
|
|
* @category Action
|
|
* @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 AtompubmembershipfeedAction extends ApiAuthAction
|
|
{
|
|
private $_profile = null;
|
|
private $_memberships = null;
|
|
|
|
/**
|
|
* For initializing members of the class.
|
|
*
|
|
* @param array $argarray misc. arguments
|
|
*
|
|
* @return boolean true
|
|
*/
|
|
function prepare($argarray)
|
|
{
|
|
parent::prepare($argarray);
|
|
|
|
$profileId = $this->trimmed('profile');
|
|
|
|
$this->_profile = Profile::staticGet('id', $profileId);
|
|
|
|
if (empty($this->_profile)) {
|
|
// TRANS: Client exception.
|
|
throw new ClientException(_('No such profile.'), 404);
|
|
}
|
|
|
|
$offset = ($this->page-1) * $this->count;
|
|
$limit = $this->count + 1;
|
|
|
|
$this->_memberships = Group_member::byMember($this->_profile->id,
|
|
$offset,
|
|
$limit);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Handler method
|
|
*
|
|
* @param array $argarray is ignored since it's now passed in in prepare()
|
|
*
|
|
* @return void
|
|
*/
|
|
function handle($argarray=null)
|
|
{
|
|
parent::handle($argarray);
|
|
|
|
switch ($_SERVER['REQUEST_METHOD']) {
|
|
case 'HEAD':
|
|
case 'GET':
|
|
$this->showFeed();
|
|
break;
|
|
case 'POST':
|
|
$this->addMembership();
|
|
break;
|
|
default:
|
|
// TRANS: Client exception thrown when using an unsupported HTTP method.
|
|
throw new ClientException(_('HTTP method not supported.'), 405);
|
|
return;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Show a feed of favorite activity streams objects
|
|
*
|
|
* @return void
|
|
*/
|
|
function showFeed()
|
|
{
|
|
header('Content-Type: application/atom+xml; charset=utf-8');
|
|
|
|
$url = common_local_url('AtomPubMembershipFeed',
|
|
array('profile' => $this->_profile->id));
|
|
|
|
$feed = new Atom10Feed(true);
|
|
|
|
$feed->addNamespace('activity',
|
|
'http://activitystrea.ms/spec/1.0/');
|
|
|
|
$feed->addNamespace('poco',
|
|
'http://portablecontacts.net/spec/1.0');
|
|
|
|
$feed->addNamespace('media',
|
|
'http://purl.org/syndication/atommedia');
|
|
|
|
$feed->id = $url;
|
|
|
|
$feed->setUpdated('now');
|
|
|
|
$feed->addAuthor($this->_profile->getBestName(),
|
|
$this->_profile->getURI());
|
|
|
|
// TRANS: Title for group membership feed.
|
|
// TRANS: %s is a username.
|
|
$feed->setTitle(sprintf(_('Group memberships of %s'),
|
|
$this->_profile->getBestName()));
|
|
|
|
// TRANS: Subtitle for group membership feed.
|
|
// TRANS: %1$s is a username, %2$s is the StatusNet sitename.
|
|
$feed->setSubtitle(sprintf(_('Groups %1$s is a member of on %2$s'),
|
|
$this->_profile->getBestName(),
|
|
common_config('site', 'name')));
|
|
|
|
$feed->addLink(common_local_url('usergroups',
|
|
array('nickname' =>
|
|
$this->_profile->nickname)));
|
|
|
|
$feed->addLink($url,
|
|
array('rel' => 'self',
|
|
'type' => 'application/atom+xml'));
|
|
|
|
// If there's more...
|
|
|
|
if ($this->page > 1) {
|
|
$feed->addLink($url,
|
|
array('rel' => 'first',
|
|
'type' => 'application/atom+xml'));
|
|
|
|
$feed->addLink(common_local_url('AtomPubMembershipFeed',
|
|
array('profile' =>
|
|
$this->_profile->id),
|
|
array('page' =>
|
|
$this->page - 1)),
|
|
array('rel' => 'prev',
|
|
'type' => 'application/atom+xml'));
|
|
}
|
|
|
|
if ($this->_memberships->N > $this->count) {
|
|
|
|
$feed->addLink(common_local_url('AtomPubMembershipFeed',
|
|
array('profile' =>
|
|
$this->_profile->id),
|
|
array('page' =>
|
|
$this->page + 1)),
|
|
array('rel' => 'next',
|
|
'type' => 'application/atom+xml'));
|
|
}
|
|
|
|
$i = 0;
|
|
|
|
while ($this->_memberships->fetch()) {
|
|
|
|
// We get one more than needed; skip that one
|
|
|
|
$i++;
|
|
|
|
if ($i > $this->count) {
|
|
break;
|
|
}
|
|
|
|
$act = $this->_memberships->asActivity();
|
|
$feed->addEntryRaw($act->asString(false, false, false));
|
|
}
|
|
|
|
$this->raw($feed->getString());
|
|
}
|
|
|
|
/**
|
|
* add a new favorite
|
|
*
|
|
* @return void
|
|
*/
|
|
function addMembership()
|
|
{
|
|
// XXX: Refactor this; all the same for atompub
|
|
|
|
if (empty($this->auth_user) ||
|
|
$this->auth_user->id != $this->_profile->id) {
|
|
// TRANS: Client exception thrown when trying subscribe someone else to a group.
|
|
throw new ClientException(_("Cannot add someone else's".
|
|
" membership."), 403);
|
|
}
|
|
|
|
$xml = file_get_contents('php://input');
|
|
|
|
$dom = DOMDocument::loadXML($xml);
|
|
|
|
if ($dom->documentElement->namespaceURI != Activity::ATOM ||
|
|
$dom->documentElement->localName != 'entry') {
|
|
// TRANS: Client error displayed when not using an Atom entry.
|
|
throw new ClientException(_('Atom post must be an Atom entry.'));
|
|
return;
|
|
}
|
|
|
|
$activity = new Activity($dom->documentElement);
|
|
|
|
$membership = null;
|
|
|
|
if (Event::handle('StartAtomPubNewActivity', array(&$activity))) {
|
|
if ($activity->verb != ActivityVerb::JOIN) {
|
|
// TRANS: Client error displayed when not using the POST verb.
|
|
// TRANS: Do not translate POST.
|
|
throw new ClientException(_('Can only handle join activities.'));
|
|
return;
|
|
}
|
|
|
|
$groupObj = $activity->objects[0];
|
|
|
|
if ($groupObj->type != ActivityObject::GROUP) {
|
|
// TRANS: Client exception thrown when trying favorite an object that is not a notice.
|
|
throw new ClientException(_('Can only fave notices.'));
|
|
return;
|
|
}
|
|
|
|
$group = User_group::staticGet('uri', $groupObj->id);
|
|
|
|
if (empty($group)) {
|
|
// XXX: import from listed URL or something
|
|
// TRANS: Client exception thrown when trying to subscribe to a non-existing group.
|
|
throw new ClientException(_('Unknown group.'));
|
|
}
|
|
|
|
$old = Group_member::pkeyGet(array('profile_id' => $this->auth_user->id,
|
|
'group_id' => $group->id));
|
|
|
|
if (!empty($old)) {
|
|
// TRANS: Client exception thrown when trying to subscribe to an already subscribed group.
|
|
throw new ClientException(_('Already a member.'));
|
|
}
|
|
|
|
$profile = $this->auth_user->getProfile();
|
|
|
|
if (Group_block::isBlocked($group, $profile)) {
|
|
// XXX: import from listed URL or something
|
|
// TRANS: Client exception thrown when trying to subscribe to group while blocked from that group.
|
|
throw new ClientException(_('Blocked by admin.'));
|
|
}
|
|
|
|
$this->auth_user->joinGroup($group);
|
|
|
|
Event::handle('EndAtomPubNewActivity', array($activity, $membership));
|
|
}
|
|
|
|
if (!empty($membership)) {
|
|
$act = $membership->asActivity();
|
|
|
|
header('Content-Type: application/atom+xml; charset=utf-8');
|
|
header('Content-Location: ' . $act->selfLink);
|
|
|
|
$this->startXML();
|
|
$this->raw($act->asString(true, true, true));
|
|
$this->endXML();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return true if read only.
|
|
*
|
|
* MAY override
|
|
*
|
|
* @param array $args other arguments
|
|
*
|
|
* @return boolean is read only action?
|
|
*/
|
|
function isReadOnly($args)
|
|
{
|
|
if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
|
|
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return last modified, if applicable.
|
|
*
|
|
* MAY override
|
|
*
|
|
* @return string last modified http header
|
|
*/
|
|
function lastModified()
|
|
{
|
|
// For comparison with If-Last-Modified
|
|
// If not applicable, return null
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Return etag, if applicable.
|
|
*
|
|
* MAY override
|
|
*
|
|
* @return string etag http header
|
|
*/
|
|
function etag()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Does this require authentication?
|
|
*
|
|
* @return boolean true if delete, else false
|
|
*/
|
|
function requiresAuth()
|
|
{
|
|
if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
|
|
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
}
|