3 * Laconica, 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@controlyourself.ca>
25 * @copyright 2008-2009 Control Yourself, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://laconi.ca/
30 if (!defined('LACONICA')) {
39 * @author Evan Prodromou <evan@controlyourself.ca>
40 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
41 * @link http://laconi.ca/
44 class LoginAction extends Action
47 * Has there been an error?
53 * Is this a read-only action?
55 * @return boolean false
64 * Handle input, produce output
66 * Switches on request method; either shows the form or handles its input.
68 * @param array $args $_REQUEST data
73 function handle($args)
75 parent::handle($args);
76 if (common_is_real_login()) {
77 $this->clientError(_('Already logged in.'));
78 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
81 common_ensure_session();
87 * Check the login data
89 * Determines if the login data is valid. If so, logs the user
90 * in, and redirects to the 'with friends' page, or to the stored
98 // XXX: login throttle
100 // CSRF protection - token set in NoticeForm
101 $token = $this->trimmed('token');
102 if (!$token || $token != common_session_token()) {
103 $this->clientError(_('There was a problem with your session token. '.
104 'Try again, please.'));
108 $nickname = common_canonical_nickname($this->trimmed('nickname'));
109 $password = $this->arg('password');
111 if (!common_check_user($nickname, $password)) {
112 $this->showForm(_('Incorrect username or password.'));
117 if (!common_set_user($nickname)) {
118 $this->serverError(_('Error setting user.'));
122 common_real_login(true);
124 if ($this->boolean('rememberme')) {
125 common_rememberme($user);
128 $url = common_get_returnto();
131 // We don't have to return to it again
132 common_set_returnto(null);
134 $url = common_local_url('all',
139 common_redirect($url);
143 * Store an error and show the page
145 * This used to show the whole page; now, it's just a wrapper
146 * that stores the error in an attribute.
148 * @param string $error error, if any.
153 function showForm($error=null)
155 $this->error = $error;
162 * @return string title of the page
173 * Display a notice for how to use the page, or the
174 * error if it exists.
179 function showPageNotice()
182 $this->element('p', 'error', $this->error);
184 $instr = $this->getInstructions();
185 $output = common_markup_to_html($instr);
192 * Core of the display code
194 * Shows the login form.
199 function showContent()
201 $this->elementStart('form', array('method' => 'post',
202 'id' => 'form_login',
203 'class' => 'form_settings',
204 'action' => common_local_url('login')));
205 $this->elementStart('fieldset');
206 $this->element('legend', null, _('Login to site'));
207 $this->elementStart('ul', 'form_data');
208 $this->elementStart('li');
209 $this->input('nickname', _('Nickname'));
210 $this->elementEnd('li');
211 $this->elementStart('li');
212 $this->password('password', _('Password'));
213 $this->elementEnd('li');
214 $this->elementStart('li');
215 $this->checkbox('rememberme', _('Remember me'), false,
216 _('Automatically login in the future; ' .
217 'not for shared computers!'));
218 $this->elementEnd('li');
219 $this->elementEnd('ul');
220 $this->submit('submit', _('Login'));
221 $this->hidden('token', common_session_token());
222 $this->elementEnd('fieldset');
223 $this->elementEnd('form');
224 $this->elementStart('p');
225 $this->element('a', array('href' => common_local_url('recoverpassword')),
226 _('Lost or forgotten password?'));
227 $this->elementEnd('p');
231 * Instructions for using the form
233 * For "remembered" logins, we make the user re-login when they
234 * try to change settings. Different instructions for this case.
239 function getInstructions()
241 if (common_logged_in() && !common_is_real_login() &&
242 common_get_returnto()) {
243 // rememberme logins have to reauthenticate before
244 // changing any profile settings (cookie-stealing protection)
245 return _('For security reasons, please re-enter your ' .
246 'user name and password ' .
247 'before changing your settings.');
249 return _('Login with your username and password. ' .
250 'Don\'t have a username yet? ' .
251 '[Register](%%action.register%%) a new account, or ' .
252 'try [OpenID](%%action.openidlogin%%). ');
259 * Shows different login/register actions.
264 function showLocalNav()
266 $nav = new LoginGroupNav($this);