3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * @package OStatusPlugin
22 * @maintainer James Walker <james@status.net>
25 if (!defined('STATUSNET')) {
29 class OStatusInitAction extends Action
38 function prepare($args)
40 parent::prepare($args);
42 if (common_logged_in()) {
43 // TRANS: Client error.
44 $this->clientError(_m('You can use the local subscription!'));
48 // Local user or group the remote wants to subscribe to
49 $this->nickname = $this->trimmed('nickname');
50 $this->tagger = $this->trimmed('tagger');
51 $this->peopletag = $this->trimmed('peopletag');
52 $this->group = $this->trimmed('group');
54 // Webfinger or profile URL of the remote user
55 $this->profile = $this->trimmed('profile');
60 function handle($args)
62 parent::handle($args);
64 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
65 /* Use a session token for CSRF protection. */
66 $token = $this->trimmed('token');
67 if (!$token || $token != common_session_token()) {
68 $this->showForm(_m('There was a problem with your session token. '.
69 'Try again, please.'));
72 $this->ostatusConnect();
78 function showForm($err = null)
81 if ($this->boolean('ajax')) {
82 header('Content-Type: text/xml;charset=utf-8');
83 $this->xw->startDocument('1.0', 'UTF-8');
84 $this->elementStart('html');
85 $this->elementStart('head');
87 $this->element('title', null, _m('Subscribe to user'));
88 $this->elementEnd('head');
89 $this->elementStart('body');
91 $this->elementEnd('body');
92 $this->elementEnd('html');
98 function showContent()
101 // TRANS: Form legend.
102 $header = sprintf(_m('Join group %s'), $this->group);
103 $submit = _m('BUTTON','Join');
104 } else if ($this->peopletag && $this->tagger) {
105 $header = sprintf(_m('Subscribe to people tagged %s by %s'), $this->peopletag, $this->tagger);
106 $submit = _m('Subscribe');
107 $submit = _m('BUTTON','Subscribe');
108 // TRANS: Button text.
110 // TRANS: Form legend.
111 $header = sprintf(_m('Subscribe to %s'), $this->nickname);
112 // TRANS: Button text.
113 $submit = _m('BUTTON','Subscribe');
115 $this->elementStart('form', array('id' => 'form_ostatus_connect',
117 'class' => 'form_settings',
118 'action' => common_local_url('ostatusinit')));
119 $this->elementStart('fieldset');
120 $this->element('legend', null, $header);
121 $this->hidden('token', common_session_token());
123 $this->elementStart('ul', 'form_data');
124 $this->elementStart('li', array('id' => 'ostatus_nickname'));
127 // TRANS: Field label.
128 $this->input('group', _m('Group nickname'), $this->group,
129 _m('Nickname of the group you want to join.'));
131 // TRANS: Field label.
132 $this->input('nickname', _m('User nickname'), $this->nickname,
133 _m('Nickname of the user you want to follow.'));
134 $this->hidden('tagger', $this->tagger);
135 $this->hidden('peopletag', $this->peopletag);
138 $this->elementEnd('li');
139 $this->elementStart('li', array('id' => 'ostatus_profile'));
140 // TRANS: Field label.
141 $this->input('profile', _m('Profile Account'), $this->profile,
142 // TRANS: Tooltip for field label "Profile Account".
143 _m('Your account id (e.g. user@identi.ca).'));
144 $this->elementEnd('li');
145 $this->elementEnd('ul');
146 $this->submit('submit', $submit);
147 $this->elementEnd('fieldset');
148 $this->elementEnd('form');
151 function ostatusConnect()
153 $opts = array('allowed_schemes' => array('http', 'https', 'acct'));
154 if (Validate::uri($this->profile, $opts)) {
155 $bits = parse_url($this->profile);
156 if ($bits['scheme'] == 'acct') {
157 $this->connectWebfinger($bits['path']);
159 $this->connectProfile($this->profile);
161 } elseif (strpos($this->profile, '@') !== false) {
162 $this->connectWebfinger($this->profile);
164 // TRANS: Client error.
165 $this->clientError(_m("Must provide a remote profile."));
169 function connectWebfinger($acct)
171 $target_profile = $this->targetProfile();
173 $disco = new Discovery;
174 $result = $disco->lookup($acct);
176 // TRANS: Client error.
177 $this->clientError(_m("Couldn't look up OStatus account profile."));
180 foreach ($result->links as $link) {
181 if ($link['rel'] == 'http://ostatus.org/schema/1.0/subscribe') {
182 // We found a URL - let's redirect!
183 $url = Discovery::applyTemplate($link['template'], $target_profile);
184 common_log(LOG_INFO, "Sending remote subscriber $acct to $url");
185 common_redirect($url, 303);
189 // TRANS: Client error.
190 $this->clientError(_m("Couldn't confirm remote profile address."));
193 function connectProfile($subscriber_profile)
195 $target_profile = $this->targetProfile();
197 // @fixme hack hack! We should look up the remote sub URL from XRDS
198 $suburl = preg_replace('!^(.*)/(.*?)$!', '$1/main/ostatussub', $subscriber_profile);
199 $suburl .= '?profile=' . urlencode($target_profile);
201 common_log(LOG_INFO, "Sending remote subscriber $subscriber_profile to $suburl");
202 common_redirect($suburl, 303);
206 * Build the canonical profile URI+URL of the requested user or group
208 function targetProfile()
210 if ($this->nickname) {
211 $user = User::staticGet('nickname', $this->nickname);
213 return common_local_url('userbyid', array('id' => $user->id));
215 // TRANS: Client error.
216 $this->clientError("No such user.");
218 } else if ($this->group) {
219 $group = Local_group::staticGet('nickname', $this->group);
221 return common_local_url('groupbyid', array('id' => $group->group_id));
223 // TRANS: Client error.
224 $this->clientError("No such group.");
226 } else if ($this->peopletag && $this->tagger) {
227 $user = User::staticGet('nickname', $this->tagger);
229 $this->clientError("No such user.");
232 $peopletag = Profile_list::getByTaggerAndTag($user->id, $this->peopletag);
234 return common_local_url('profiletagbyid',
235 array('tagger_id' => $user->id, 'id' => $peopletag->id));
237 $this->clientError("No such people tag.");
239 // TRANS: Client error.
240 $this->clientError("No local user or group nickname provided.");
246 // TRANS: Page title.
247 return _m('OStatus Connect');