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(_t('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 $user = common_check_user($nickname, $password);
43 $this->show_form(_t('Incorrect username or password.'));
48 if (!common_set_user($user)) {
49 common_server_error(_t('Error setting user.'));
53 common_real_login(true);
55 if ($this->boolean('rememberme')) {
56 common_debug('Adding rememberme cookie for ' . $nickname);
57 common_rememberme($user);
60 $url = common_get_returnto();
62 # We don't have to return to it again
63 common_set_returnto(NULL);
65 $url = common_local_url('all',
69 common_redirect($url);
72 function show_form($error=NULL) {
73 common_show_header(_t('Login'), NULL, $error, array($this, 'show_top'));
74 common_element_start('form', array('method' => 'post',
76 'action' => common_local_url('login')));
77 common_input('nickname', _t('Nickname'));
78 common_password('password', _t('Password'));
79 common_checkbox('rememberme', _t('Remember me'), false,
80 _t('Automatically login in the future; ' .
81 'not for shared computers!'));
82 common_submit('submit', _t('Login'));
83 common_element_end('form');
84 common_element_start('p');
85 common_element('a', array('href' => common_local_url('recoverpassword')),
86 _t('Lost or forgotten password?'));
87 common_element_end('p');
91 function get_instructions() {
92 if (common_logged_in() &&
93 !common_is_real_login() &&
94 common_get_returnto())
96 # rememberme logins have to reauthenticate before
97 # changing any profile settings (cookie-stealing protection)
98 return _t('For security reasons, ' .
99 'please re-enter your ' .
100 'user name and password ' .
101 'before changing your settings. ');
103 return _t('Login with your username and password. ' .
104 'Don\'t have a username yet? ' .
105 '[Register](%%action.register%%) a new account, or ' .
106 'try [OpenID](%%action.openidlogin%%). ');
110 function show_top($error=NULL) {
112 common_element('p', 'error', $error);
114 $instr = $this->get_instructions();
115 $output = common_markup_to_html($instr);
116 common_element_start('div', 'instructions');
118 common_element_end('p');