3 * StatusNet, the distributed open-source microblogging tool
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @author Sarven Capadisli <csarven@status.net>
26 * @copyright 2008-2009 StatusNet, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
28 * @link http://status.net/
31 if (!defined('STATUSNET') && !defined('LACONICA')) {
40 * @author Evan Prodromou <evan@status.net>
41 * @author Sarven Capadisli <csarven@status.net>
42 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
43 * @link http://status.net/
46 class LoginAction extends Action
49 * Has there been an error?
55 * Is this a read-only action?
57 * @return boolean false
60 function isReadOnly($args)
66 * Handle input, produce output
68 * Switches on request method; either shows the form or handles its input.
70 * @param array $args $_REQUEST data
75 function handle($args)
77 parent::handle($args);
79 if (common_is_real_login()) {
80 $this->clientError(_('Already logged in.'));
81 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
84 common_ensure_session();
90 * Check the login data
92 * Determines if the login data is valid. If so, logs the user
93 * in, and redirects to the 'with friends' page, or to the stored
99 function checkLogin($user_id=null, $token=null)
101 // XXX: login throttle
103 // CSRF protection - token set in NoticeForm
104 $token = $this->trimmed('token');
105 if (!$token || $token != common_session_token()) {
106 $st = common_session_token();
108 common_log(LOG_WARNING, 'No token provided by client.');
109 } else if (empty($st)) {
110 common_log(LOG_WARNING, 'No session token stored.');
112 common_log(LOG_WARNING, 'Token = ' . $token . ' and session token = ' . $st);
115 $this->clientError(_('There was a problem with your session token. '.
116 'Try again, please.'));
120 $nickname = $this->trimmed('nickname');
121 $password = $this->arg('password');
123 $user = common_check_user($nickname, $password);
126 $this->showForm(_('Incorrect username or password.'));
131 if (!common_set_user($user)) {
132 $this->serverError(_('Error setting user. You are probably not authorized.'));
136 common_real_login(true);
138 if ($this->boolean('rememberme')) {
139 common_rememberme($user);
142 $url = common_get_returnto();
145 // We don't have to return to it again
146 common_set_returnto(null);
147 $url = common_inject_session($url);
149 $url = common_local_url('all',
154 common_redirect($url, 303);
158 * Store an error and show the page
160 * This used to show the whole page; now, it's just a wrapper
161 * that stores the error in an attribute.
163 * @param string $error error, if any.
168 function showForm($error=null)
170 $this->error = $error;
174 function showScripts()
176 parent::showScripts();
177 $this->autofocus('nickname');
183 * @return string title of the page
194 * Display a notice for how to use the page, or the
195 * error if it exists.
200 function showPageNotice()
203 $this->element('p', 'error', $this->error);
205 $instr = $this->getInstructions();
206 $output = common_markup_to_html($instr);
213 * Core of the display code
215 * Shows the login form.
220 function showContent()
222 $this->elementStart('form', array('method' => 'post',
223 'id' => 'form_login',
224 'class' => 'form_settings',
225 'action' => common_local_url('login')));
226 $this->elementStart('fieldset');
227 $this->element('legend', null, _('Login to site'));
228 $this->elementStart('ul', 'form_data');
229 $this->elementStart('li');
230 $this->input('nickname', _('Nickname'));
231 $this->elementEnd('li');
232 $this->elementStart('li');
233 $this->password('password', _('Password'));
234 $this->elementEnd('li');
235 $this->elementStart('li');
236 $this->checkbox('rememberme', _('Remember me'), false,
237 _('Automatically login in the future; ' .
238 'not for shared computers!'));
239 $this->elementEnd('li');
240 $this->elementEnd('ul');
241 $this->submit('submit', _('Login'));
242 $this->hidden('token', common_session_token());
243 $this->elementEnd('fieldset');
244 $this->elementEnd('form');
245 $this->elementStart('p');
246 $this->element('a', array('href' => common_local_url('recoverpassword')),
247 _('Lost or forgotten password?'));
248 $this->elementEnd('p');
252 * Instructions for using the form
254 * For "remembered" logins, we make the user re-login when they
255 * try to change settings. Different instructions for this case.
260 function getInstructions()
262 if (common_logged_in() && !common_is_real_login() &&
263 common_get_returnto()) {
264 // rememberme logins have to reauthenticate before
265 // changing any profile settings (cookie-stealing protection)
266 return _('For security reasons, please re-enter your ' .
267 'user name and password ' .
268 'before changing your settings.');
270 return _('Login with your username and password. ' .
271 'Don\'t have a username yet? ' .
272 '[Register](%%action.register%%) a new account.');
279 * Shows different login/register actions.
284 function showLocalNav()
286 $nav = new LoginGroupNav($this);