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/
45 class LoginAction extends Action
48 * Has there been an error?
53 * Is this a read-only action?
55 * @return boolean false
57 function isReadOnly($args)
67 * @return string title
69 function prepare($args)
71 parent::prepare($args);
73 // @todo this check should really be in index.php for all sensitive actions
74 $ssl = common_config('site', 'ssl');
75 if (empty($_SERVER['HTTPS']) && ($ssl == 'always' || $ssl == 'sometimes')) {
76 common_redirect(common_local_url('login'));
84 * Handle input, produce output
86 * Switches on request method; either shows the form or handles its input.
88 * @param array $args $_REQUEST data
92 function handle($args)
94 parent::handle($args);
96 if (common_is_real_login()) {
97 $this->clientError(_('Already logged in.'));
98 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
101 common_ensure_session();
107 * Check the login data
109 * Determines if the login data is valid. If so, logs the user
110 * in, and redirects to the 'with friends' page, or to the stored
115 function checkLogin($user_id=null, $token=null)
117 // XXX: login throttle
119 // CSRF protection - token set in NoticeForm
120 $token = $this->trimmed('token');
121 if (!$token || $token != common_session_token()) {
122 $st = common_session_token();
124 common_log(LOG_WARNING, 'No token provided by client.');
125 } else if (empty($st)) {
126 common_log(LOG_WARNING, 'No session token stored.');
128 common_log(LOG_WARNING, 'Token = ' . $token . ' and session token = ' . $st);
131 $this->clientError(_('There was a problem with your session token. '.
132 'Try again, please.'));
136 $nickname = $this->trimmed('nickname');
137 $password = $this->arg('password');
139 $user = common_check_user($nickname, $password);
142 $this->showForm(_('Incorrect username or password.'));
147 if (!common_set_user($user)) {
148 $this->serverError(_('Error setting user. You are probably not authorized.'));
152 common_real_login(true);
154 if ($this->boolean('rememberme')) {
155 common_rememberme($user);
158 $url = common_get_returnto();
161 // We don't have to return to it again
162 common_set_returnto(null);
163 $url = common_inject_session($url);
165 $url = common_local_url('all',
170 common_redirect($url, 303);
174 * Store an error and show the page
176 * This used to show the whole page; now, it's just a wrapper
177 * that stores the error in an attribute.
179 * @param string $error error, if any.
183 function showForm($error=null)
185 $this->error = $error;
189 function showScripts()
191 parent::showScripts();
192 $this->autofocus('nickname');
198 * @return string title of the page
208 * Display a notice for how to use the page, or the
209 * error if it exists.
213 function showPageNotice()
216 $this->element('p', 'error', $this->error);
218 $instr = $this->getInstructions();
219 $output = common_markup_to_html($instr);
226 * Core of the display code
228 * Shows the login form.
232 function showContent()
234 $this->elementStart('form', array('method' => 'post',
235 'id' => 'form_login',
236 'class' => 'form_settings',
237 'action' => common_local_url('login')));
238 $this->elementStart('fieldset');
239 $this->element('legend', null, _('Login to site'));
240 $this->elementStart('ul', 'form_data');
241 $this->elementStart('li');
242 $this->input('nickname', _('Nickname'));
243 $this->elementEnd('li');
244 $this->elementStart('li');
245 $this->password('password', _('Password'));
246 $this->elementEnd('li');
247 $this->elementStart('li');
248 $this->checkbox('rememberme', _('Remember me'), false,
249 _('Automatically login in the future; ' .
250 'not for shared computers!'));
251 $this->elementEnd('li');
252 $this->elementEnd('ul');
253 $this->submit('submit', _('Login'));
254 $this->hidden('token', common_session_token());
255 $this->elementEnd('fieldset');
256 $this->elementEnd('form');
257 $this->elementStart('p');
258 $this->element('a', array('href' => common_local_url('recoverpassword')),
259 _('Lost or forgotten password?'));
260 $this->elementEnd('p');
264 * Instructions for using the form
266 * For "remembered" logins, we make the user re-login when they
267 * try to change settings. Different instructions for this case.
271 function getInstructions()
273 if (common_logged_in() && !common_is_real_login() &&
274 common_get_returnto()) {
275 // rememberme logins have to reauthenticate before
276 // changing any profile settings (cookie-stealing protection)
277 return _('For security reasons, please re-enter your ' .
278 'user name and password ' .
279 'before changing your settings.');
281 $prompt = _('Login with your username and password.');
282 if (!common_config('site', 'closed') && !common_config('site', 'inviteonly')) {
284 $prompt .= _('Don\'t have a username yet? ' .
285 '[Register](%%action.register%%) a new account.');
294 * Shows different login/register actions.
298 function showLocalNav()
300 $nav = new LoginGroupNav($this);