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 common_notice_form()
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 = $this->arg('password');
110 if (common_check_user($nickname, $password)) {
112 if (!common_set_user($nickname)) {
113 $this->serverError(_('Error setting user.'));
116 common_real_login(true);
117 if ($this->boolean('rememberme')) {
118 common_debug('Adding rememberme cookie for ' . $nickname);
122 $url = common_get_returnto();
124 // We don't have to return to it again
125 common_set_returnto(null);
127 $url = common_local_url('all',
131 common_redirect($url);
133 $this->showForm(_('Incorrect username or password.'));
138 if (!common_set_user($user)) {
139 $this->serverError(_('Error setting user.'));
143 common_real_login(true);
145 if ($this->boolean('rememberme')) {
146 common_debug('Adding rememberme cookie for ' . $nickname);
147 common_rememberme($user);
150 $url = common_get_returnto();
152 // We don't have to return to it again
153 common_set_returnto(null);
155 $url = common_local_url('all',
159 common_redirect($url);
163 * Store an error and show the page
165 * This used to show the whole page; now, it's just a wrapper
166 * that stores the error in an attribute.
168 * @param string $error error, if any.
173 function showForm($error=null)
175 $this->error = $error;
182 * @return string title of the page
193 * Display a notice for how to use the page, or the
194 * error if it exists.
199 function showPageNotice()
202 $this->element('p', 'error', $this->error);
204 $instr = $this->getInstructions();
205 $output = common_markup_to_html($instr);
212 * Core of the display code
214 * Shows the login form.
219 function showContent()
221 $this->elementStart('form', array('method' => 'post',
222 'id' => 'form_login',
223 'class' => 'form_settings',
224 'action' => common_local_url('login')));
225 $this->elementStart('fieldset');
226 $this->element('legend', null, _('Login to site'));
227 $this->elementStart('ul', 'form_data');
228 $this->elementStart('li');
229 $this->input('nickname', _('Nickname'));
230 $this->elementEnd('li');
231 $this->elementStart('li');
232 $this->password('password', _('Password'));
233 $this->elementEnd('li');
234 $this->elementStart('li');
235 $this->checkbox('rememberme', _('Remember me'), false,
236 _('Automatically login in the future; ' .
237 'not for shared computers!'));
238 $this->elementEnd('li');
239 $this->elementEnd('ul');
240 $this->submit('submit', _('Login'));
241 $this->hidden('token', common_session_token());
242 $this->elementEnd('fieldset');
243 $this->elementEnd('form');
244 $this->elementStart('p');
245 $this->element('a', array('href' => common_local_url('recoverpassword')),
246 _('Lost or forgotten password?'));
247 $this->elementEnd('p');
251 * Instructions for using the form
253 * For "remembered" logins, we make the user re-login when they
254 * try to change settings. Different instructions for this case.
259 function getInstructions()
261 if (common_logged_in() && !common_is_real_login() &&
262 common_get_returnto()) {
263 // rememberme logins have to reauthenticate before
264 // changing any profile settings (cookie-stealing protection)
265 return _('For security reasons, please re-enter your ' .
266 'user name and password ' .
267 'before changing your settings.');
269 return _('Login with your username and password. ' .
270 'Don\'t have a username yet? ' .
271 '[Register](%%action.register%%) a new account, or ' .
272 'try [OpenID](%%action.openidlogin%%). ');
279 * Shows different login/register actions.
284 function showLocalNav()
286 $nav = new LoginGroupNav($this);