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() {
28 function handle($args) {
29 parent::handle($args);
30 if (common_is_real_login()) {
31 common_user_error(_('Already logged in.'));
32 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
39 function check_login() {
42 # CSRF protection - token set in common_notice_form()
43 $token = $this->trimmed('token');
44 if (!$token || $token != common_session_token()) {
45 $this->client_error(_('There was a problem with your session token. Try again, please.'));
49 $nickname = common_canonical_nickname($this->trimmed('nickname'));
50 $password = $this->arg('password');
51 if (common_check_user($nickname, $password)) {
53 if (!common_set_user($nickname)) {
54 common_server_error(_('Error setting user.'));
57 common_real_login(true);
58 if ($this->boolean('rememberme')) {
59 common_debug('Adding rememberme cookie for ' . $nickname);
63 $url = common_get_returnto();
65 # We don't have to return to it again
66 common_set_returnto(NULL);
68 $url = common_local_url('all',
72 common_redirect($url);
74 $this->show_form(_('Incorrect username or password.'));
79 if (!common_set_user($user)) {
80 common_server_error(_('Error setting user.'));
84 common_real_login(true);
86 if ($this->boolean('rememberme')) {
87 common_debug('Adding rememberme cookie for ' . $nickname);
88 common_rememberme($user);
91 $url = common_get_returnto();
93 # We don't have to return to it again
94 common_set_returnto(NULL);
96 $url = common_local_url('all',
100 common_redirect($url);
103 function show_form($error=NULL) {
104 common_show_header(_('Login'), NULL, $error, array($this, 'show_top'));
105 common_element_start('form', array('method' => 'post',
107 'action' => common_local_url('login')));
108 common_input('nickname', _('Nickname'));
109 common_password('password', _('Password'));
110 common_checkbox('rememberme', _('Remember me'), false,
111 _('Automatically login in the future; ' .
112 'not for shared computers!'));
113 common_submit('submit', _('Login'));
114 common_hidden('token', common_session_token());
115 common_element_end('form');
116 common_element_start('p');
117 common_element('a', array('href' => common_local_url('recoverpassword')),
118 _('Lost or forgotten password?'));
119 common_element_end('p');
120 common_show_footer();
123 function get_instructions() {
124 if (common_logged_in() &&
125 !common_is_real_login() &&
126 common_get_returnto())
128 # rememberme logins have to reauthenticate before
129 # changing any profile settings (cookie-stealing protection)
130 return _('For security reasons, please re-enter your ' .
131 'user name and password ' .
132 'before changing your settings.');
134 return _('Login with your username and password. ' .
135 'Don\'t have a username yet? ' .
136 '[Register](%%action.register%%) a new account, or ' .
137 'try [OpenID](%%action.openidlogin%%). ');
141 function show_top($error=NULL) {
143 common_element('p', 'error', $error);
145 $instr = $this->get_instructions();
146 $output = common_markup_to_html($instr);
147 common_element_start('div', 'instructions');
149 common_element_end('div');