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 true
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') {
86 * Check the login data
88 * Determines if the login data is valid. If so, logs the user
89 * in, and redirects to the 'with friends' page, or to the stored
97 // XXX: login throttle
99 // CSRF protection - token set in common_notice_form()
100 $token = $this->trimmed('token');
101 if (!$token || $token != common_session_token()) {
102 $this->clientError(_('There was a problem with your session token. '.
103 'Try again, please.'));
107 $nickname = common_canonical_nickname($this->trimmed('nickname'));
108 $password = $this->arg('password');
109 if (common_check_user($nickname, $password)) {
111 if (!common_set_user($nickname)) {
112 $this->serverError(_('Error setting user.'));
115 common_real_login(true);
116 if ($this->boolean('rememberme')) {
117 common_debug('Adding rememberme cookie for ' . $nickname);
121 $url = common_get_returnto();
123 // We don't have to return to it again
124 common_set_returnto(null);
126 $url = common_local_url('all',
130 common_redirect($url);
132 $this->showForm(_('Incorrect username or password.'));
137 if (!common_set_user($user)) {
138 $this->serverError(_('Error setting user.'));
142 common_real_login(true);
144 if ($this->boolean('rememberme')) {
145 common_debug('Adding rememberme cookie for ' . $nickname);
146 common_rememberme($user);
149 $url = common_get_returnto();
151 // We don't have to return to it again
152 common_set_returnto(null);
154 $url = common_local_url('all',
158 common_redirect($url);
162 * Store an error and show the page
164 * This used to show the whole page; now, it's just a wrapper
165 * that stores the error in an attribute.
167 * @param string $error error, if any.
172 function showForm($error=null)
174 $this->error = $error;
181 * @return string title of the page
192 * Display a notice for how to use the page, or the
193 * error if it exists.
198 function showPageNotice()
201 $this->element('p', 'error', $this->error);
203 $instr = $this->getInstructions();
204 $output = common_markup_to_html($instr);
211 * Core of the display code
213 * Shows the login form.
218 function showContent()
220 $this->elementStart('form', array('method' => 'post',
221 'id' => 'form_login',
222 'class' => 'form_settings',
223 'action' => common_local_url('login')));
224 $this->elementStart('fieldset');
225 $this->element('legend', null, _('Login to site'));
226 $this->elementStart('ul', 'form_datas');
227 $this->elementStart('li');
228 $this->input('nickname', _('Nickname'));
229 $this->elementEnd('li');
230 $this->elementStart('li');
231 $this->password('password', _('Password'));
232 $this->elementEnd('li');
233 $this->elementStart('li');
234 $this->checkbox('rememberme', _('Remember me'), false,
235 _('Automatically login in the future; ' .
236 'not for shared computers!'));
237 $this->elementEnd('li');
238 $this->elementEnd('ul');
239 $this->submit('submit', _('Login'));
240 $this->hidden('token', common_session_token());
241 $this->elementEnd('fieldset');
242 $this->elementEnd('form');
243 $this->elementStart('p');
244 $this->element('a', array('href' => common_local_url('recoverpassword')),
245 _('Lost or forgotten password?'));
246 $this->elementEnd('p');
250 * Instructions for using the form
252 * For "remembered" logins, we make the user re-login when they
253 * try to change settings. Different instructions for this case.
258 function getInstructions()
260 if (common_logged_in() && !common_is_real_login() &&
261 common_get_returnto()) {
262 // rememberme logins have to reauthenticate before
263 // changing any profile settings (cookie-stealing protection)
264 return _('For security reasons, please re-enter your ' .
265 'user name and password ' .
266 'before changing your settings.');
268 return _('Login with your username and password. ' .
269 'Don\'t have a username yet? ' .
270 '[Register](%%action.register%%) a new account, or ' .
271 'try [OpenID](%%action.openidlogin%%). ');
278 * Shows different login/register actions.
283 function showLocalNav()
285 $nav = new LoginGroupNav($this);