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
36 function prepare($args)
38 parent::prepare($args);
40 if (common_logged_in()) {
41 // TRANS: Client error.
42 $this->clientError(_m('You can use the local subscription!'));
46 // Local user or group the remote wants to subscribe to
47 $this->nickname = $this->trimmed('nickname');
48 $this->group = $this->trimmed('group');
50 // Webfinger or profile URL of the remote user
51 $this->profile = $this->trimmed('profile');
56 function handle($args)
58 parent::handle($args);
60 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
61 /* Use a session token for CSRF protection. */
62 $token = $this->trimmed('token');
63 if (!$token || $token != common_session_token()) {
64 $this->showForm(_m('There was a problem with your session token. '.
65 'Try again, please.'));
68 $this->ostatusConnect();
74 function showForm($err = null)
77 if ($this->boolean('ajax')) {
78 header('Content-Type: text/xml;charset=utf-8');
79 $this->xw->startDocument('1.0', 'UTF-8');
80 $this->elementStart('html');
81 $this->elementStart('head');
83 $this->element('title', null, _m('Subscribe to user'));
84 $this->elementEnd('head');
85 $this->elementStart('body');
87 $this->elementEnd('body');
88 $this->elementEnd('html');
94 function showContent()
97 // TRANS: Form legend.
98 $header = sprintf(_m('Join group %s'), $this->group);
99 // TRANS: Button text.
100 $submit = _m('BUTTON','Join');
102 // TRANS: Form legend.
103 $header = sprintf(_m('Subscribe to %s'), $this->nickname);
104 // TRANS: Button text.
105 $submit = _m('BUTTON','Subscribe');
107 $this->elementStart('form', array('id' => 'form_ostatus_connect',
109 'class' => 'form_settings',
110 'action' => common_local_url('ostatusinit')));
111 $this->elementStart('fieldset');
112 $this->element('legend', null, $header);
113 $this->hidden('token', common_session_token());
115 $this->elementStart('ul', 'form_data');
116 $this->elementStart('li', array('id' => 'ostatus_nickname'));
118 // TRANS: Field label.
119 $this->input('group', _m('Group nickname'), $this->group,
120 _m('Nickname of the group you want to join.'));
122 // TRANS: Field label.
123 $this->input('nickname', _m('User nickname'), $this->nickname,
124 _m('Nickname of the user you want to follow.'));
126 $this->elementEnd('li');
127 $this->elementStart('li', array('id' => 'ostatus_profile'));
128 // TRANS: Field label.
129 $this->input('profile', _m('Profile Account'), $this->profile,
130 // TRANS: Tooltip for field label "Profile Account".
131 _m('Your account id (e.g. user@identi.ca).'));
132 $this->elementEnd('li');
133 $this->elementEnd('ul');
134 $this->submit('submit', $submit);
135 $this->elementEnd('fieldset');
136 $this->elementEnd('form');
139 function ostatusConnect()
141 $opts = array('allowed_schemes' => array('http', 'https', 'acct'));
142 if (Validate::uri($this->profile, $opts)) {
143 $bits = parse_url($this->profile);
144 if ($bits['scheme'] == 'acct') {
145 $this->connectWebfinger($bits['path']);
147 $this->connectProfile($this->profile);
149 } elseif (strpos($this->profile, '@') !== false) {
150 $this->connectWebfinger($this->profile);
152 // TRANS: Client error.
153 $this->clientError(_m("Must provide a remote profile."));
157 function connectWebfinger($acct)
159 $target_profile = $this->targetProfile();
161 $disco = new Discovery;
162 $result = $disco->lookup($acct);
164 // TRANS: Client error.
165 $this->clientError(_m("Couldn't look up OStatus account profile."));
168 foreach ($result->links as $link) {
169 if ($link['rel'] == 'http://ostatus.org/schema/1.0/subscribe') {
170 // We found a URL - let's redirect!
171 $url = Discovery::applyTemplate($link['template'], $target_profile);
172 common_log(LOG_INFO, "Sending remote subscriber $acct to $url");
173 common_redirect($url, 303);
177 // TRANS: Client error.
178 $this->clientError(_m("Couldn't confirm remote profile address."));
181 function connectProfile($subscriber_profile)
183 $target_profile = $this->targetProfile();
185 // @fixme hack hack! We should look up the remote sub URL from XRDS
186 $suburl = preg_replace('!^(.*)/(.*?)$!', '$1/main/ostatussub', $subscriber_profile);
187 $suburl .= '?profile=' . urlencode($target_profile);
189 common_log(LOG_INFO, "Sending remote subscriber $subscriber_profile to $suburl");
190 common_redirect($suburl, 303);
194 * Build the canonical profile URI+URL of the requested user or group
196 function targetProfile()
198 if ($this->nickname) {
199 $user = User::staticGet('nickname', $this->nickname);
201 return common_local_url('userbyid', array('id' => $user->id));
203 // TRANS: Client error.
204 $this->clientError("No such user.");
206 } else if ($this->group) {
207 $group = Local_group::staticGet('nickname', $this->group);
209 return common_local_url('groupbyid', array('id' => $group->group_id));
211 // TRANS: Client error.
212 $this->clientError("No such group.");
215 // TRANS: Client error.
216 $this->clientError("No local user or group nickname provided.");
222 // TRANS: Page title.
223 return _m('OStatus Connect');