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($args)
70 * @return string title
73 function prepare($args)
75 parent::prepare($args);
77 // @todo this check should really be in index.php for all sensitive actions
78 $ssl = common_config('site', 'ssl');
79 if (empty($_SERVER['HTTPS']) && ($ssl == 'always' || $ssl == 'sometimes')) {
80 common_redirect(common_local_url('login'));
88 * Handle input, produce output
90 * Switches on request method; either shows the form or handles its input.
92 * @param array $args $_REQUEST data
97 function handle($args)
99 parent::handle($args);
101 if (common_is_real_login()) {
102 $this->clientError(_('Already logged in.'));
103 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
106 common_ensure_session();
112 * Check the login data
114 * Determines if the login data is valid. If so, logs the user
115 * in, and redirects to the 'with friends' page, or to the stored
121 function checkLogin($user_id=null, $token=null)
123 // XXX: login throttle
125 // CSRF protection - token set in NoticeForm
126 $token = $this->trimmed('token');
127 if (!$token || $token != common_session_token()) {
128 $st = common_session_token();
130 common_log(LOG_WARNING, 'No token provided by client.');
131 } else if (empty($st)) {
132 common_log(LOG_WARNING, 'No session token stored.');
134 common_log(LOG_WARNING, 'Token = ' . $token . ' and session token = ' . $st);
137 $this->clientError(_('There was a problem with your session token. '.
138 'Try again, please.'));
142 $nickname = $this->trimmed('nickname');
143 $password = $this->arg('password');
145 $user = common_check_user($nickname, $password);
148 $this->showForm(_('Incorrect username or password.'));
153 if (!common_set_user($user)) {
154 $this->serverError(_('Error setting user. You are probably not authorized.'));
158 common_real_login(true);
160 if ($this->boolean('rememberme')) {
161 common_rememberme($user);
164 $url = common_get_returnto();
167 // We don't have to return to it again
168 common_set_returnto(null);
169 $url = common_inject_session($url);
171 $url = common_local_url('all',
176 common_redirect($url, 303);
180 * Store an error and show the page
182 * This used to show the whole page; now, it's just a wrapper
183 * that stores the error in an attribute.
185 * @param string $error error, if any.
190 function showForm($error=null)
192 $this->error = $error;
196 function showScripts()
198 parent::showScripts();
199 $this->autofocus('nickname');
205 * @return string title of the page
216 * Display a notice for how to use the page, or the
217 * error if it exists.
222 function showPageNotice()
225 $this->element('p', 'error', $this->error);
227 $instr = $this->getInstructions();
228 $output = common_markup_to_html($instr);
235 * Core of the display code
237 * Shows the login form.
242 function showContent()
244 $this->elementStart('form', array('method' => 'post',
245 'id' => 'form_login',
246 'class' => 'form_settings',
247 'action' => common_local_url('login')));
248 $this->elementStart('fieldset');
249 $this->element('legend', null, _('Login to site'));
250 $this->elementStart('ul', 'form_data');
251 $this->elementStart('li');
252 $this->input('nickname', _('Nickname'));
253 $this->elementEnd('li');
254 $this->elementStart('li');
255 $this->password('password', _('Password'));
256 $this->elementEnd('li');
257 $this->elementStart('li');
258 $this->checkbox('rememberme', _('Remember me'), false,
259 _('Automatically login in the future; ' .
260 'not for shared computers!'));
261 $this->elementEnd('li');
262 $this->elementEnd('ul');
263 $this->submit('submit', _('Login'));
264 $this->hidden('token', common_session_token());
265 $this->elementEnd('fieldset');
266 $this->elementEnd('form');
267 $this->elementStart('p');
268 $this->element('a', array('href' => common_local_url('recoverpassword')),
269 _('Lost or forgotten password?'));
270 $this->elementEnd('p');
274 * Instructions for using the form
276 * For "remembered" logins, we make the user re-login when they
277 * try to change settings. Different instructions for this case.
282 function getInstructions()
284 if (common_logged_in() && !common_is_real_login() &&
285 common_get_returnto()) {
286 // rememberme logins have to reauthenticate before
287 // changing any profile settings (cookie-stealing protection)
288 return _('For security reasons, please re-enter your ' .
289 'user name and password ' .
290 'before changing your settings.');
292 $prompt = _('Login with your username and password.');
293 if (!common_config('site', 'closed') && !common_config('site', 'inviteonly')) {
295 $prompt .= _('Don\'t have a username yet? ' .
296 '[Register](%%action.register%%) a new account.');
305 * Shows different login/register actions.
310 function showLocalNav()
312 $nav = new LoginGroupNav($this);