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);
78 if (common_is_real_login()) {
79 $this->clientError(_('Already logged in.'));
80 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
83 common_ensure_session();
89 * Check the login data
91 * Determines if the login data is valid. If so, logs the user
92 * in, and redirects to the 'with friends' page, or to the stored
100 if(isset($token) && isset($user_id)){
101 //Token based login (from the LoginCommand)
102 $login_token = Login_token::staticGet('user_id',$user_id);
103 if($login_token && $login_token->token == $token){
104 if($login_token->modified > time()+2*60){
106 //delete the token as it is useless
107 $login_token->delete();
108 $this->showForm(_('Invalid or expired token.'));
111 //delete the token so it cannot be reused
112 $login_token->delete();
113 //it's a valid token - let them log in
114 $user = User::staticGet('id', $user_id);
115 //$user = User::staticGet('nickname', "candrews");
118 $this->showForm(_('Invalid or expired token.'));
122 // Regular form submission login
124 // XXX: login throttle
126 // CSRF protection - token set in NoticeForm
127 $token = $this->trimmed('token');
128 if (!$token || $token != common_session_token()) {
129 $this->clientError(_('There was a problem with your session token. '.
130 'Try again, please.'));
134 $nickname = $this->trimmed('nickname');
135 $password = $this->arg('password');
137 $user = common_check_user($nickname, $password);
140 $nickname = common_canonical_nickname($this->trimmed('nickname'));
141 $password = $this->arg('password');
143 $user = common_check_user($nickname, $password);
146 $this->showForm(_('Incorrect username or password.'));
151 if (!common_set_user($user)) {
152 $this->serverError(_('Error setting user. You are probably not authorized.'));
156 common_real_login(true);
158 if ($this->boolean('rememberme')) {
159 common_rememberme($user);
162 $url = common_get_returnto();
165 // We don't have to return to it again
166 common_set_returnto(null);
168 $url = common_local_url('all',
173 common_redirect($url, 303);
177 * Store an error and show the page
179 * This used to show the whole page; now, it's just a wrapper
180 * that stores the error in an attribute.
182 * @param string $error error, if any.
187 function showForm($error=null)
189 $this->error = $error;
193 function showScripts()
195 parent::showScripts();
196 $this->autofocus('nickname');
202 * @return string title of the page
213 * Display a notice for how to use the page, or the
214 * error if it exists.
219 function showPageNotice()
222 $this->element('p', 'error', $this->error);
224 $instr = $this->getInstructions();
225 $output = common_markup_to_html($instr);
232 * Core of the display code
234 * Shows the login form.
239 function showContent()
241 $this->elementStart('form', array('method' => 'post',
242 'id' => 'form_login',
243 'class' => 'form_settings',
244 'action' => common_local_url('login')));
245 $this->elementStart('fieldset');
246 $this->element('legend', null, _('Login to site'));
247 $this->elementStart('ul', 'form_data');
248 $this->elementStart('li');
249 $this->input('nickname', _('Nickname'));
250 $this->elementEnd('li');
251 $this->elementStart('li');
252 $this->password('password', _('Password'));
253 $this->elementEnd('li');
254 $this->elementStart('li');
255 $this->checkbox('rememberme', _('Remember me'), false,
256 _('Automatically login in the future; ' .
257 'not for shared computers!'));
258 $this->elementEnd('li');
259 $this->elementEnd('ul');
260 $this->submit('submit', _('Login'));
261 $this->hidden('token', common_session_token());
262 $this->elementEnd('fieldset');
263 $this->elementEnd('form');
264 $this->elementStart('p');
265 $this->element('a', array('href' => common_local_url('recoverpassword')),
266 _('Lost or forgotten password?'));
267 $this->elementEnd('p');
271 * Instructions for using the form
273 * For "remembered" logins, we make the user re-login when they
274 * try to change settings. Different instructions for this case.
279 function getInstructions()
281 if (common_logged_in() && !common_is_real_login() &&
282 common_get_returnto()) {
283 // rememberme logins have to reauthenticate before
284 // changing any profile settings (cookie-stealing protection)
285 return _('For security reasons, please re-enter your ' .
286 'user name and password ' .
287 'before changing your settings.');
289 return _('Login with your username and password. ' .
290 'Don\'t have a username yet? ' .
291 '[Register](%%action.register%%) a new account.');
298 * Shows different login/register actions.
303 function showLocalNav()
305 $nav = new LoginGroupNav($this);