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 handle($args) {
25 parent::handle($args);
26 if (common_is_real_login()) {
27 common_user_error(_('Already logged in.'));
28 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
35 function check_login() {
36 # XXX: form token in $_SESSION to prevent XSS
38 $nickname = $this->arg('nickname');
39 $password = $this->arg('password');
40 if (common_check_user($nickname, $password)) {
42 if (!common_set_user($nickname)) {
43 common_server_error(_('Error setting user.'));
46 common_real_login(true);
47 if ($this->boolean('rememberme')) {
48 common_debug('Adding rememberme cookie for ' . $nickname);
52 $url = common_get_returnto();
54 # We don't have to return to it again
55 common_set_returnto(NULL);
57 $url = common_local_url('all',
61 common_redirect($url);
63 $this->show_form(_('Incorrect username or password.'));
68 if (!common_set_user($user)) {
69 common_server_error(_('Error setting user.'));
73 common_real_login(true);
75 if ($this->boolean('rememberme')) {
76 common_debug('Adding rememberme cookie for ' . $nickname);
77 common_rememberme($user);
80 $url = common_get_returnto();
82 # We don't have to return to it again
83 common_set_returnto(NULL);
85 $url = common_local_url('all',
89 common_redirect($url);
92 function show_form($error=NULL) {
93 common_show_header(_('Login'), NULL, $error, array($this, 'show_top'));
94 common_element_start('form', array('method' => 'post',
96 'action' => common_local_url('login')));
97 common_input('nickname', _('Nickname'));
98 common_password('password', _('Password'));
99 common_checkbox('rememberme', _('Remember me'), false,
100 _('Automatically login in the future; ' .
101 'not for shared computers!'));
102 common_submit('submit', _('Login'));
103 common_element_end('form');
104 common_element_start('p');
105 common_element('a', array('href' => common_local_url('recoverpassword')),
106 _('Lost or forgotten password?'));
107 common_element_end('p');
108 common_show_footer();
111 function get_instructions() {
112 if (common_logged_in() &&
113 !common_is_real_login() &&
114 common_get_returnto())
116 # rememberme logins have to reauthenticate before
117 # changing any profile settings (cookie-stealing protection)
118 return _('For security reasons, please re-enter your ' .
119 'user name and password ' .
120 'before changing your settings.');
122 return _('Login with your username and password. ' .
123 'Don\'t have a username yet? ' .
124 '[Register](%%action.register%%) a new account, or ' .
125 'try [OpenID](%%action.openidlogin%%). ');
129 function show_top($error=NULL) {
131 common_element('p', 'error', $error);
133 $instr = $this->get_instructions();
134 $output = common_markup_to_html($instr);
135 common_element_start('div', 'instructions');
137 common_element_end('div');