FOAF for Groups.
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actions/foafgroup.php
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173
actions/foafgroup.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) 2008, 2009, StatusNet, Inc.
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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 Mail
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Toby Inkster <mail@tobyinkster.co.uk>
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* @copyright 2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class FoafGroupAction extends Action
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{
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function isReadOnly($args)
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{
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return true;
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}
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function prepare($args)
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{
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parent::prepare($args);
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$nickname_arg = $this->arg('nickname');
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if (empty($nickname_arg)) {
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$this->clientError(_('No such group.'), 404);
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return false;
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}
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$this->nickname = common_canonical_nickname($nickname_arg);
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// Permanent redirect on non-canonical nickname
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if ($nickname_arg != $this->nickname) {
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common_redirect(common_local_url('foafgroup',
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array('nickname' => $this->nickname)),
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301);
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return false;
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}
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$this->group = User_group::staticGet('nickname', $this->nickname);
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if (!$this->group) {
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$this->clientError(_('No such group.'), 404);
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return false;
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}
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common_set_returnto($this->selfUrl());
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return true;
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}
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function handle($args)
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{
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parent::handle($args);
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header('Content-Type: application/rdf+xml');
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$this->startXML();
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$this->elementStart('rdf:RDF', array('xmlns:rdf' =>
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'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
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'xmlns:dcterms' =>
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'http://purl.org/dc/terms/',
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'xmlns:sioc' =>
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'http://rdfs.org/sioc/ns#',
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'xmlns:foaf' =>
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'http://xmlns.com/foaf/0.1/',
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'xmlns:statusnet' =>
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'http://status.net/ont/',
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'xmlns' => 'http://xmlns.com/foaf/0.1/'));
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$this->showPpd(common_local_url('foafgroup', array('nickname' => $this->nickname)), $this->group->permalink());
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$this->elementStart('Group', array('rdf:about' =>
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$this->group->permalink()));
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if ($this->group->fullname) {
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$this->element('name', null, $this->group->fullname);
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}
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if ($this->group->description) {
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$this->element('dcterms:description', null, $this->group->description);
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}
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if ($this->group->nickname) {
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$this->element('dcterms:identifier', null, $this->group->nickname);
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$this->element('nick', null, $this->group->nickname);
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}
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foreach ($this->group->getAliases() as $alias) {
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$this->element('nick', null, $alias);
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}
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if ($this->group->homeUrl()) {
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$this->element('weblog', array('rdf:resource' => $this->group->homeUrl()));
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}
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if ($this->group->homepage) {
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$this->element('page', array('rdf:resource' => $this->group->homepage));
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}
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if ($this->group->homepage_logo) {
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$this->element('depiction', array('rdf:resource' => $this->group->homepage_logo));
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}
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$members = $this->group->getMembers();
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$member_details = array();
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while ($members->fetch()) {
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$member_uri = common_local_url('userbyid', array('id'=>$members->id));
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$member_details[$member_uri] = array(
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'nickname' => $members->nickname
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);
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$this->element('member', array('rdf:resource' => $member_uri));
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}
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$admins = $this->group->getAdmins();
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while ($admins->fetch()) {
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$admin_uri = common_local_url('userbyid', array('id'=>$admins->id));
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$member_details[$admin_uri]['is_admin'] = true;
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$this->element('statusnet:groupAdmin', array('rdf:resource' => $admin_uri));
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}
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$this->elementEnd('Group');
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ksort($member_details);
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foreach ($member_details as $uri => $details) {
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if ($details['is_admin'])
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{
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$this->elementStart('Agent', array('rdf:about' => $uri));
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$this->element('nick', null, $details['nickname']);
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$this->elementStart('holdsAccount');
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$this->elementStart('sioc:User', array('rdf:about'=>$uri.'#acct'));
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$this->elementStart('sioc:has_function');
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$this->elementStart('statusnet:GroupAdminRole');
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$this->element('sioc:scope', array('rdf:resource' => $this->group->permalink()));
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$this->elementEnd('statusnet:GroupAdminRole');
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$this->elementEnd('sioc:has_function');
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$this->elementEnd('sioc:User');
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$this->elementEnd('holdsAccount');
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$this->elementEnd('Agent');
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}
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else
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{
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$this->element('Agent', array(
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'foaf:nick' => $details['nickname'],
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'rdf:about' => $uri,
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));
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}
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}
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$this->elementEnd('rdf:RDF');
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$this->endXML();
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}
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function showPpd($foaf_url, $person_uri)
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{
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$this->elementStart('Document', array('rdf:about' => $foaf_url));
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$this->element('primaryTopic', array('rdf:resource' => $person_uri));
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$this->elementEnd('Document');
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}
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}
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@ -345,7 +345,12 @@ class ShowgroupAction extends GroupDesignAction
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'method' => 'timeline',
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'argument' => $this->group->nickname.'.atom')),
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sprintf(_('Notice feed for %s group (Atom)'),
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$this->group->nickname)));
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$this->group->nickname)),
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new Feed(Feed::FOAF,
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common_local_url('foafgroup',
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array('nickname' => $this->group->nickname)),
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sprintf(_('FOAF for %s group'),
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$this->group->nickname)));
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}
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/**
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@ -241,6 +241,10 @@ class Router
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array('nickname' => '[a-zA-Z0-9]+'));
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}
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$m->connect('group/:nickname/foaf',
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array('action' => 'foafgroup'),
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array('nickname' => '[a-zA-Z0-9]+'));
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$m->connect('group/:nickname/blocked',
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array('action' => 'blockedfromgroup'),
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array('nickname' => '[a-zA-Z0-9]+'));
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