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 // TRANS: Client error displayed when trying to log in while already logged in.
98 $this->clientError(_('Already logged in.'));
99 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
102 common_ensure_session();
108 * Check the login data
110 * Determines if the login data is valid. If so, logs the user
111 * in, and redirects to the 'with friends' page, or to the stored
116 function checkLogin($user_id=null, $token=null)
118 // XXX: login throttle
120 $nickname = $this->trimmed('nickname');
121 $password = $this->arg('password');
123 $user = common_check_user($nickname, $password);
126 // TRANS: Form validation error displayed when trying to log in with incorrect credentials.
127 $this->showForm(_('Incorrect username or password.'));
132 if (!common_set_user($user)) {
133 // TRANS: Server error displayed when during login a server error occurs.
134 $this->serverError(_('Error setting user. You are probably not authorized.'));
138 common_real_login(true);
140 if ($this->boolean('rememberme')) {
141 common_rememberme($user);
144 $url = common_get_returnto();
147 // We don't have to return to it again
148 common_set_returnto(null);
149 $url = common_inject_session($url);
151 $url = common_local_url('all',
156 common_redirect($url, 303);
160 * Store an error and show the page
162 * This used to show the whole page; now, it's just a wrapper
163 * that stores the error in an attribute.
165 * @param string $error error, if any.
169 function showForm($error=null)
171 $this->error = $error;
175 function showScripts()
177 parent::showScripts();
178 $this->autofocus('nickname');
184 * @return string title of the page
188 // TRANS: Page title for login page.
195 * Display a notice for how to use the page, or the
196 * error if it exists.
200 function showPageNotice()
203 $this->element('p', 'error', $this->error);
205 $instr = $this->getInstructions();
206 $output = common_markup_to_html($instr);
213 * Core of the display code
215 * 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 // TRANS: Form legend on login page.
227 $this->element('legend', null, _('Login to site'));
228 $this->elementStart('ul', 'form_data');
229 $this->elementStart('li');
230 // TRANS: Field label on login page.
231 $this->input('nickname', _('Nickname'));
232 $this->elementEnd('li');
233 $this->elementStart('li');
234 // TRANS: Field label on login page.
235 $this->password('password', _('Password'));
236 $this->elementEnd('li');
237 $this->elementStart('li');
238 // TRANS: Checkbox label label on login page.
239 $this->checkbox('rememberme', _('Remember me'), false,
240 // TRANS: Checkbox title on login page.
241 _('Automatically login in the future; ' .
242 'not for shared computers!'));
243 $this->elementEnd('li');
244 $this->elementEnd('ul');
245 // TRANS: Button text for log in on login page.
246 $this->submit('submit', _m('BUTTON','Login'));
247 $this->elementEnd('fieldset');
248 $this->elementEnd('form');
249 $this->elementStart('p');
250 $this->element('a', array('href' => common_local_url('recoverpassword')),
251 // TRANS: Link text for link to "reset password" on login page.
252 _('Lost or forgotten password?'));
253 $this->elementEnd('p');
257 * Instructions for using the form
259 * For "remembered" logins, we make the user re-login when they
260 * try to change settings. Different instructions for this case.
264 function getInstructions()
266 if (common_logged_in() && !common_is_real_login() &&
267 common_get_returnto()) {
268 // rememberme logins have to reauthenticate before
269 // changing any profile settings (cookie-stealing protection)
270 // TRANS: Form instructions on login page before being able to change user settings.
271 return _('For security reasons, please re-enter your ' .
272 'user name and password ' .
273 'before changing your settings.');
275 // TRANS: Form instructions on login page.
276 $prompt = _('Login with your username and password.');
277 if (!common_config('site', 'closed') && !common_config('site', 'inviteonly')) {
279 // TRANS: Form instructions on login page. This message contains Markdown links in the form [Link text](Link).
280 // TRANS: %%action.register%% is a link to the registration page.
281 $prompt .= _('Don\'t have a username yet? ' .
282 '[Register](%%action.register%%) a new account.');
291 * Shows different login/register actions.
295 function showLocalNav()
297 $nav = new LoginGroupNav($this);