3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 class LoginAction extends Action {
24 function is_readonly()
29 function handle($args)
31 parent::handle($args);
32 if (common_is_real_login()) {
33 common_user_error(_('Already logged in.'));
34 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
41 function check_login()
45 # CSRF protection - token set in common_notice_form()
46 $token = $this->trimmed('token');
47 if (!$token || $token != common_session_token()) {
48 $this->client_error(_('There was a problem with your session token. Try again, please.'));
52 $nickname = common_canonical_nickname($this->trimmed('nickname'));
53 $password = $this->arg('password');
54 if (common_check_user($nickname, $password)) {
56 if (!common_set_user($nickname)) {
57 common_server_error(_('Error setting user.'));
60 common_real_login(true);
61 if ($this->boolean('rememberme')) {
62 common_debug('Adding rememberme cookie for ' . $nickname);
66 $url = common_get_returnto();
68 # We don't have to return to it again
69 common_set_returnto(null);
71 $url = common_local_url('all',
75 common_redirect($url);
77 $this->show_form(_('Incorrect username or password.'));
82 if (!common_set_user($user)) {
83 common_server_error(_('Error setting user.'));
87 common_real_login(true);
89 if ($this->boolean('rememberme')) {
90 common_debug('Adding rememberme cookie for ' . $nickname);
91 common_rememberme($user);
94 $url = common_get_returnto();
96 # We don't have to return to it again
97 common_set_returnto(null);
99 $url = common_local_url('all',
103 common_redirect($url);
106 function show_form($error=null)
108 common_show_header(_('Login'), null, $error, array($this, 'show_top'));
109 common_element_start('form', array('method' => 'post',
111 'action' => common_local_url('login')));
112 common_input('nickname', _('Nickname'));
113 common_password('password', _('Password'));
114 common_checkbox('rememberme', _('Remember me'), false,
115 _('Automatically login in the future; ' .
116 'not for shared computers!'));
117 common_submit('submit', _('Login'));
118 common_hidden('token', common_session_token());
119 common_element_end('form');
120 common_element_start('p');
121 common_element('a', array('href' => common_local_url('recoverpassword')),
122 _('Lost or forgotten password?'));
123 common_element_end('p');
124 common_show_footer();
127 function get_instructions()
129 if (common_logged_in() &&
130 !common_is_real_login() &&
131 common_get_returnto())
133 # rememberme logins have to reauthenticate before
134 # changing any profile settings (cookie-stealing protection)
135 return _('For security reasons, please re-enter your ' .
136 'user name and password ' .
137 'before changing your settings.');
139 return _('Login with your username and password. ' .
140 'Don\'t have a username yet? ' .
141 '[Register](%%action.register%%) a new account, or ' .
142 'try [OpenID](%%action.openidlogin%%). ');
146 function show_top($error=null)
149 common_element('p', 'error', $error);
151 $instr = $this->get_instructions();
152 $output = common_markup_to_html($instr);
153 common_element_start('div', 'instructions');
155 common_element_end('div');