discovery piece - hand merged :P
This commit is contained in:
James Walker
parent
4e6f587f86
commit
841981a381
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@ -53,6 +53,19 @@ class OStatusPlugin extends Plugin
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*/
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*/
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function onRouterInitialized($m)
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function onRouterInitialized($m)
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{
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{
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$m->connect('.well-known/host-meta',
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array('action' => 'hostmeta'));
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$m->connect('main/webfinger',
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array('action' => 'webfinger'));
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$m->connect('main/ostatus',
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array('action' => 'ostatusinit'));
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$m->connect('main/ostatus?nickname=:nickname',
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array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
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$m->connect('main/ostatussub',
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array('action' => 'ostatussub'));
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$m->connect('main/ostatussub',
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array('action' => 'ostatussub'), array('feed' => '[A-Za-z0-9\.\/\:]+'));
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$m->connect('main/push/hub', array('action' => 'pushhub'));
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$m->connect('main/push/hub', array('action' => 'pushhub'));
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$m->connect('main/push/callback/:feed',
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$m->connect('main/push/callback/:feed',
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@ -148,6 +161,28 @@ class OStatusPlugin extends Plugin
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return true;
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return true;
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}
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}
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/**
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* Add in an OStatus subscribe button
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*/
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function onStartProfilePageActionsElements($output, $profile)
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{
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$cur = common_current_user();
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if (empty($cur)) {
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// Add an OStatus subscribe
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$output->elementStart('li', 'entity_subscribe');
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$url = common_local_url('ostatusinit',
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array('nickname' => $profile->nickname));
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$output->element('a', array('href' => $url,
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'class' => 'entity_remote_subscribe'),
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_('OStatus'));
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$output->elementEnd('li');
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}
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}
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function onCheckSchema() {
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function onCheckSchema() {
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// warning: the autoincrement doesn't seem to set.
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// warning: the autoincrement doesn't seem to set.
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// alter table feedinfo change column id id int(11) not null auto_increment;
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// alter table feedinfo change column id id int(11) not null auto_increment;
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@ -155,5 +190,5 @@ class OStatusPlugin extends Plugin
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$schema->ensureTable('feedinfo', Feedinfo::schemaDef());
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$schema->ensureTable('feedinfo', Feedinfo::schemaDef());
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$schema->ensureTable('hubsub', HubSub::schemaDef());
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$schema->ensureTable('hubsub', HubSub::schemaDef());
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return true;
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return true;
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}
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}
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}
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}
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42
plugins/OStatus/actions/hostmeta.php
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42
plugins/OStatus/actions/hostmeta.php
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@ -0,0 +1,42 @@
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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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* 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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/**
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* @package OStatusPlugin
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* @maintainer James Walker <james@status.net>
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class HostMetaAction extends Action
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{
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function handle()
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{
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parent::handle();
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$w = new Webfinger();
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$domain = common_config('site', 'server');
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$url = common_local_url('webfinger');
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$url.= '?uri={uri}';
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print $w->getHostMeta($domain, $url);
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}
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}
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128
plugins/OStatus/actions/ostatusinit.php
Normal file
128
plugins/OStatus/actions/ostatusinit.php
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@ -0,0 +1,128 @@
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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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* 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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/**
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* @package OStatusPlugin
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* @maintainer James Walker <james@status.net>
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class OStatusInitAction extends Action
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{
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var $nickname;
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var $acct;
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var $err;
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function prepare($args)
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{
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parent::prepare($args);
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if (common_logged_in()) {
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$this->clientError(_('You can use the local subscription!'));
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return false;
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}
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$this->nickname = $this->trimmed('nickname');
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$this->acct = $this->trimmed('acct');
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return true;
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}
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function handle($args)
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{
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parent::handle($args);
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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/* Use a session token for CSRF protection. */
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->showForm(_('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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$this->ostatusConnect();
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} else {
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$this->showForm();
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}
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}
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function showForm($err = null)
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{
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$this->err = $err;
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$this->showPage();
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}
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function showContent()
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{
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$this->elementStart('form', array('id' => 'form_ostatus_connect',
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'method' => 'post',
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'class' => 'form_settings',
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'action' => common_local_url('ostatusinit')));
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$this->elementStart('fieldset');
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$this->element('legend', _('Subscribe to a remote user'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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$this->input('nickname', _('User nickname'), $this->nickname,
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_('Nickname of the user you want to follow'));
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$this->elementEnd('li');
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$this->elementStart('li');
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$this->input('acct', _('Profile Account'), $this->acct,
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_('Your account id (i.e. user@identi.ca)'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->submit('submit', _('Subscribe'));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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function ostatusConnect()
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{
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$w = new Webfinger;
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$result = $w->lookup($this->acct);
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foreach ($result->links as $link) {
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if ($link['rel'] == 'http://ostatus.org/schema/1.0/subscribe') {
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// We found a URL - let's redirect!
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$user = User::staticGet('nickname', $this->nickname);
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$feed_url = common_local_url('ApiTimelineUser',
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array('id' => $user->id,
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'format' => 'atom'));
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$url = $w->applyTemplate($link['template'], $feed_url);
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common_redirect($url, 303);
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}
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}
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}
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function title()
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{
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return _('OStatus Connect');
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}
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}
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226
plugins/OStatus/actions/ostatussub.php
Normal file
226
plugins/OStatus/actions/ostatussub.php
Normal file
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@ -0,0 +1,226 @@
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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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* 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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/**
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* @package OStatusPlugin
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* @maintainer James Walker <james@status.net>
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class OStatusSubAction extends Action
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{
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protected $feedurl;
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function title()
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{
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return _m("OStatus Subscribe");
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}
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function handle($args)
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{
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if ($this->validateFeed()) {
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$this->showForm();
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}
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return true;
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}
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function showForm($err = null)
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{
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$this->err = $err;
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$this->showPage();
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}
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|
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|
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function showContent()
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{
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$user = common_current_user();
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|
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$profile = $user->getProfile();
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|
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$fuser = null;
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|
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$flink = Foreign_link::getByUserID($user->id, FEEDSUB_SERVICE);
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|
|
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if (!empty($flink)) {
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$fuser = $flink->getForeignUser();
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}
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|
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_feedsub',
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'class' => 'form_settings',
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'action' =>
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common_local_url('feedsubsettings')));
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|
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$this->hidden('token', common_session_token());
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|
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$this->elementStart('fieldset', array('id' => 'settings_feeds'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li', array('id' => 'settings_twitter_login_button'));
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$this->input('feedurl', _('Feed URL'), $this->feedurl, _('Enter the URL of a PubSubHubbub-enabled feed'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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|
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$this->submit('subscribe', _m('Subscribe'));
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|
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||||||
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$this->elementEnd('fieldset');
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|
|
||||||
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$this->elementEnd('form');
|
||||||
|
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||||||
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$this->previewFeed();
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||||||
|
}
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||||||
|
|
||||||
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/**
|
||||||
|
* Handle posts to this form
|
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*
|
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|
* Based on the button that was pressed, muxes out to other functions
|
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|
* to do the actual task requested.
|
||||||
|
*
|
||||||
|
* All sub-functions reload the form with a message -- success or failure.
|
||||||
|
*
|
||||||
|
* @return void
|
||||||
|
*/
|
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|
|
||||||
|
function handlePost()
|
||||||
|
{
|
||||||
|
// CSRF protection
|
||||||
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$token = $this->trimmed('token');
|
||||||
|
if (!$token || $token != common_session_token()) {
|
||||||
|
$this->showForm(_('There was a problem with your session token. '.
|
||||||
|
'Try again, please.'));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
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if ($this->arg('subscribe')) {
|
||||||
|
$this->saveFeed();
|
||||||
|
} else {
|
||||||
|
$this->showForm(_('Unexpected form submission.'));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Set up and add a feed
|
||||||
|
*
|
||||||
|
* @return boolean true if feed successfully read
|
||||||
|
* Sends you back to input form if not.
|
||||||
|
*/
|
||||||
|
function validateFeed()
|
||||||
|
{
|
||||||
|
$feedurl = $this->trimmed('feed');
|
||||||
|
|
||||||
|
if ($feedurl == '') {
|
||||||
|
$this->showForm(_m('Empty feed URL!'));
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||||||
|
return;
|
||||||
|
}
|
||||||
|
$this->feedurl = $feedurl;
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||||||
|
|
||||||
|
// Get the canonical feed URI and check it
|
||||||
|
try {
|
||||||
|
$discover = new FeedDiscovery();
|
||||||
|
$uri = $discover->discoverFromURL($feedurl);
|
||||||
|
} catch (FeedSubBadURLException $e) {
|
||||||
|
$this->showForm(_m('Invalid URL or could not reach server.'));
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||||||
|
return false;
|
||||||
|
} catch (FeedSubBadResponseException $e) {
|
||||||
|
$this->showForm(_m('Cannot read feed; server returned error.'));
|
||||||
|
return false;
|
||||||
|
} catch (FeedSubEmptyException $e) {
|
||||||
|
$this->showForm(_m('Cannot read feed; server returned an empty page.'));
|
||||||
|
return false;
|
||||||
|
} catch (FeedSubBadHTMLException $e) {
|
||||||
|
$this->showForm(_m('Bad HTML, could not find feed link.'));
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||||||
|
return false;
|
||||||
|
} catch (FeedSubNoFeedException $e) {
|
||||||
|
$this->showForm(_m('Could not find a feed linked from this URL.'));
|
||||||
|
return false;
|
||||||
|
} catch (FeedSubUnrecognizedTypeException $e) {
|
||||||
|
$this->showForm(_m('Not a recognized feed type.'));
|
||||||
|
return false;
|
||||||
|
} catch (FeedSubException $e) {
|
||||||
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// Any new ones we forgot about
|
||||||
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$this->showForm(_m('Bad feed URL.'));
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||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
$this->munger = $discover->feedMunger();
|
||||||
|
$this->feedinfo = $this->munger->feedInfo();
|
||||||
|
|
||||||
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if ($this->feedinfo->huburi == '') {
|
||||||
|
$this->showForm(_m('Feed is not PuSH-enabled; cannot subscribe.'));
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
function saveFeed()
|
||||||
|
{
|
||||||
|
if ($this->validateFeed()) {
|
||||||
|
$this->preview = true;
|
||||||
|
$this->feedinfo = Feedinfo::ensureProfile($this->munger);
|
||||||
|
|
||||||
|
// If not already in use, subscribe to updates via the hub
|
||||||
|
if ($this->feedinfo->sub_start) {
|
||||||
|
common_log(LOG_INFO, __METHOD__ . ": double the fun! new sub for {$this->feedinfo->feeduri} last subbed {$this->feedinfo->sub_start}");
|
||||||
|
} else {
|
||||||
|
$ok = $this->feedinfo->subscribe();
|
||||||
|
common_log(LOG_INFO, __METHOD__ . ": sub was $ok");
|
||||||
|
if (!$ok) {
|
||||||
|
$this->showForm(_m('Feed subscription failed! Bad response from hub.'));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// And subscribe the current user to the local profile
|
||||||
|
$user = common_current_user();
|
||||||
|
$profile = $this->feedinfo->getProfile();
|
||||||
|
|
||||||
|
if ($user->isSubscribed($profile)) {
|
||||||
|
$this->showForm(_m('Already subscribed!'));
|
||||||
|
} elseif ($user->subscribeTo($profile)) {
|
||||||
|
$this->showForm(_m('Feed subscribed!'));
|
||||||
|
} else {
|
||||||
|
$this->showForm(_m('Feed subscription failed!'));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function previewFeed()
|
||||||
|
{
|
||||||
|
$feedinfo = $this->munger->feedinfo();
|
||||||
|
$notice = $this->munger->notice(0, true); // preview
|
||||||
|
|
||||||
|
if ($notice) {
|
||||||
|
$this->element('b', null, 'Preview of latest post from this feed:');
|
||||||
|
|
||||||
|
$item = new NoticeList($notice, $this);
|
||||||
|
$item->show();
|
||||||
|
} else {
|
||||||
|
$this->element('b', null, 'No posts in this feed yet.');
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
70
plugins/OStatus/actions/webfinger.php
Normal file
70
plugins/OStatus/actions/webfinger.php
Normal file
|
|
@ -0,0 +1,70 @@
|
||||||
|
<?php
|
||||||
|
/*
|
||||||
|
* StatusNet - the distributed open-source microblogging tool
|
||||||
|
* Copyright (C) 2010, StatusNet, Inc.
|
||||||
|
*
|
||||||
|
* 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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @package OStatusPlugin
|
||||||
|
* @maintainer James Walker <james@status.net>
|
||||||
|
*/
|
||||||
|
|
||||||
|
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
|
||||||
|
|
||||||
|
class WebfingerAction extends Action
|
||||||
|
{
|
||||||
|
|
||||||
|
public $uri;
|
||||||
|
|
||||||
|
function prepare($args)
|
||||||
|
{
|
||||||
|
parent::prepare($args);
|
||||||
|
|
||||||
|
$this->uri = $this->trimmed('uri');
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
function handle()
|
||||||
|
{
|
||||||
|
$acct = Webfinger::normalize($this->uri);
|
||||||
|
|
||||||
|
$xrd = new XRD();
|
||||||
|
|
||||||
|
list($nick, $domain) = explode('@', urldecode($acct));
|
||||||
|
$nick = common_canonical_nickname($nick);
|
||||||
|
|
||||||
|
$this->user = User::staticGet('nickname', $nick);
|
||||||
|
if (!$this->user) {
|
||||||
|
$this->clientError(_('No such user.'), 404);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
$xrd->subject = $this->uri;
|
||||||
|
$xrd->alias[] = common_profile_url($nick);
|
||||||
|
$xrd->links[] = array('rel' => 'http://webfinger.net/rel/profile-page',
|
||||||
|
'type' => 'text/html',
|
||||||
|
'href' => common_profile_url($nick));
|
||||||
|
// TODO - finalize where the redirect should go on the publisher
|
||||||
|
$url = common_local_url('ostatussub') . '?feed={uri}';
|
||||||
|
$xrd->links[] = array('rel' => 'http://ostatus.org/schema/1.0/subscribe',
|
||||||
|
'template' => $url );
|
||||||
|
|
||||||
|
header('Content-type: text/xml');
|
||||||
|
print $xrd->toXML();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
139
plugins/OStatus/lib/Webfinger.php
Normal file
139
plugins/OStatus/lib/Webfinger.php
Normal file
|
|
@ -0,0 +1,139 @@
|
||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* StatusNet - the distributed open-source microblogging tool
|
||||||
|
* Copyright (C) 2010, StatusNet, Inc.
|
||||||
|
*
|
||||||
|
* A sample module to show best practices for StatusNet plugins
|
||||||
|
*
|
||||||
|
* PHP version 5
|
||||||
|
*
|
||||||
|
* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as published by
|
||||||
|
* the Free Software Foundation, either version 3 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Affero General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
* @package StatusNet
|
||||||
|
* @author James Walker <james@status.net>
|
||||||
|
* @copyright 2010 StatusNet, Inc.
|
||||||
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
||||||
|
* @link http://status.net/
|
||||||
|
*/
|
||||||
|
|
||||||
|
define('WEBFINGER_SERVICE_REL_VALUE', 'lrdd');
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Implement the webfinger protocol.
|
||||||
|
*/
|
||||||
|
class Webfinger
|
||||||
|
{
|
||||||
|
/**
|
||||||
|
* Perform a webfinger lookup given an account.
|
||||||
|
*/
|
||||||
|
public function lookup($id)
|
||||||
|
{
|
||||||
|
$id = $this->normalize($id);
|
||||||
|
list($name, $domain) = explode('@', $id);
|
||||||
|
|
||||||
|
$links = $this->getServiceLinks($domain);
|
||||||
|
if (!$links) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
$services = array();
|
||||||
|
foreach ($links as $link) {
|
||||||
|
if ($link['template']) {
|
||||||
|
return $this->getServiceDescription($link['template'], $id);
|
||||||
|
}
|
||||||
|
if ($link['href']) {
|
||||||
|
return $this->getServiceDescription($link['href'], $id);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Normalize an account ID
|
||||||
|
*/
|
||||||
|
function normalize($id)
|
||||||
|
{
|
||||||
|
if (substr($id, 0, 7) == 'acct://') {
|
||||||
|
return substr($id, 7);
|
||||||
|
} else if (substr($id, 0, 5) == 'acct:') {
|
||||||
|
return substr($id, 5);
|
||||||
|
}
|
||||||
|
|
||||||
|
return $id;
|
||||||
|
}
|
||||||
|
|
||||||
|
function getServiceLinks($domain)
|
||||||
|
{
|
||||||
|
$url = 'http://'. $domain .'/.well-known/host-meta';
|
||||||
|
$content = $this->fetchURL($url);
|
||||||
|
$result = XRD::parse($content);
|
||||||
|
|
||||||
|
// Ensure that the host == domain (spec may include signing later)
|
||||||
|
if ($result->host != $domain) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
$links = array();
|
||||||
|
foreach ($result->links as $link) {
|
||||||
|
if ($link['rel'] == WEBFINGER_SERVICE_REL_VALUE) {
|
||||||
|
$links[] = $link;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
return $links;
|
||||||
|
}
|
||||||
|
|
||||||
|
function getServiceDescription($template, $id)
|
||||||
|
{
|
||||||
|
$url = $this->applyTemplate($template, 'acct:' . $id);
|
||||||
|
|
||||||
|
$content = $this->fetchURL($url);
|
||||||
|
|
||||||
|
return XRD::parse($content);
|
||||||
|
}
|
||||||
|
|
||||||
|
function fetchURL($url)
|
||||||
|
{
|
||||||
|
try {
|
||||||
|
$client = new HTTPClient();
|
||||||
|
$response = $client->get($url);
|
||||||
|
} catch (HTTP_Request2_Exception $e) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($response->getStatus() != 200) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
return $response->getBody();
|
||||||
|
}
|
||||||
|
|
||||||
|
function applyTemplate($template, $id)
|
||||||
|
{
|
||||||
|
$template = str_replace('{uri}', urlencode($id), $template);
|
||||||
|
|
||||||
|
return $template;
|
||||||
|
}
|
||||||
|
|
||||||
|
function getHostMeta($domain, $template) {
|
||||||
|
$xrd = new XRD();
|
||||||
|
$xrd->host = $domain;
|
||||||
|
$xrd->links[] = array('rel' => 'lrdd',
|
||||||
|
'template' => $template,
|
||||||
|
'title' => array('Resource Descriptor'));
|
||||||
|
|
||||||
|
return $xrd->toXML();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
183
plugins/OStatus/lib/XRD.php
Normal file
183
plugins/OStatus/lib/XRD.php
Normal file
|
|
@ -0,0 +1,183 @@
|
||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* StatusNet - the distributed open-source microblogging tool
|
||||||
|
* Copyright (C) 2010, StatusNet, Inc.
|
||||||
|
*
|
||||||
|
* A sample module to show best practices for StatusNet plugins
|
||||||
|
*
|
||||||
|
* 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/>.
|
||||||
|
*
|
||||||
|
* @package StatusNet
|
||||||
|
* @author James Walker <james@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 XRD
|
||||||
|
{
|
||||||
|
const XML_NS = 'http://www.w3.org/2000/xmlns/';
|
||||||
|
|
||||||
|
const XRD_NS = 'http://docs.oasis-open.org/ns/xri/xrd-1.0';
|
||||||
|
|
||||||
|
const HOST_META_NS = 'http://host-meta.net/xrd/1.0';
|
||||||
|
|
||||||
|
public $expires;
|
||||||
|
|
||||||
|
public $subject;
|
||||||
|
|
||||||
|
public $host;
|
||||||
|
|
||||||
|
public $alias = array();
|
||||||
|
|
||||||
|
public $types = array();
|
||||||
|
|
||||||
|
public $links = array();
|
||||||
|
|
||||||
|
public static function parse($xml)
|
||||||
|
{
|
||||||
|
$xrd = new XRD();
|
||||||
|
|
||||||
|
$dom = new DOMDocument();
|
||||||
|
$dom->loadXML($xml);
|
||||||
|
$xrd_element = $dom->getElementsByTagName('XRD')->item(0);
|
||||||
|
|
||||||
|
// Check for host-meta host
|
||||||
|
$host = $xrd_element->getElementsByTagName('Host')->item(0)->nodeValue;
|
||||||
|
if ($host) {
|
||||||
|
$xrd->host = $host;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Loop through other elements
|
||||||
|
foreach ($xrd_element->childNodes as $node) {
|
||||||
|
switch ($node->tagName) {
|
||||||
|
case 'Expires':
|
||||||
|
$xrd->expires = $node->nodeValue;
|
||||||
|
break;
|
||||||
|
case 'Subject':
|
||||||
|
$xrd->subject = $node->nodeValue;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'Alias':
|
||||||
|
$xrd->alias[] = $node->nodeValue;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'Link':
|
||||||
|
$xrd->links[] = $xrd->parseLink($node);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 'Type':
|
||||||
|
$xrd->types[] = $xrd->parseType($node);
|
||||||
|
break;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return $xrd;
|
||||||
|
}
|
||||||
|
|
||||||
|
public function toXML()
|
||||||
|
{
|
||||||
|
$dom = new DOMDocument('1.0', 'UTF-8');
|
||||||
|
$dom->formatOutput = true;
|
||||||
|
|
||||||
|
$xrd_dom = $dom->createElementNS(XRD::XRD_NS, 'XRD');
|
||||||
|
$dom->appendChild($xrd_dom);
|
||||||
|
|
||||||
|
if ($this->host) {
|
||||||
|
$host_dom = $dom->createElement('hm:Host', $this->host);
|
||||||
|
$xrd_dom->setAttributeNS(XRD::XML_NS, 'xmlns:hm', XRD::HOST_META_NS);
|
||||||
|
$xrd_dom->appendChild($host_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($this->expires) {
|
||||||
|
$expires_dom = $dom->createElement('Expires', $this->expires);
|
||||||
|
$xrd_dom->appendChild($expires_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($this->subject) {
|
||||||
|
$subject_dom = $dom->createElement('Subject', $this->subject);
|
||||||
|
$xrd_dom->appendChild($subject_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
foreach ($this->alias as $alias) {
|
||||||
|
$alias_dom = $dom->createElement('Alias', $alias);
|
||||||
|
$xrd_dom->appendChild($alias_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
foreach ($this->types as $type) {
|
||||||
|
$type_dom = $dom->createElement('Type', $type);
|
||||||
|
$xrd_dom->appendChild($type_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
foreach ($this->links as $link) {
|
||||||
|
$link_dom = $this->saveLink($dom, $link);
|
||||||
|
$xrd_dom->appendChild($link_dom);
|
||||||
|
}
|
||||||
|
|
||||||
|
return $dom->saveXML();
|
||||||
|
}
|
||||||
|
|
||||||
|
function parseType($element)
|
||||||
|
{
|
||||||
|
return array();
|
||||||
|
}
|
||||||
|
|
||||||
|
function parseLink($element)
|
||||||
|
{
|
||||||
|
$link = array();
|
||||||
|
$link['rel'] = $element->getAttribute('rel');
|
||||||
|
$link['type'] = $element->getAttribute('type');
|
||||||
|
$link['href'] = $element->getAttribute('href');
|
||||||
|
$link['template'] = $element->getAttribute('template');
|
||||||
|
foreach ($element->childNodes as $node) {
|
||||||
|
switch($node->tagName) {
|
||||||
|
case 'Title':
|
||||||
|
$link['title'][] = $node->nodeValue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return $link;
|
||||||
|
}
|
||||||
|
|
||||||
|
function saveLink($doc, $link)
|
||||||
|
{
|
||||||
|
$link_element = $doc->createElement('Link');
|
||||||
|
if ($link['rel']) {
|
||||||
|
$link_element->setAttribute('rel', $link['rel']);
|
||||||
|
}
|
||||||
|
if ($link['type']) {
|
||||||
|
$link_element->setAttribute('type', $link['type']);
|
||||||
|
}
|
||||||
|
if ($link['href']) {
|
||||||
|
$link_element->setAttribute('href', $link['href']);
|
||||||
|
}
|
||||||
|
if ($link['template']) {
|
||||||
|
$link_element->setAttribute('template', $link['template']);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (is_array($link['title'])) {
|
||||||
|
foreach($link['title'] as $title) {
|
||||||
|
$title = $doc->createElement('Title', $title);
|
||||||
|
$link_element->appendChild($title);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
return $link_element;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user