diff options
Diffstat (limited to 'actions/login.php')
-rw-r--r-- | actions/login.php | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/actions/login.php b/actions/login.php new file mode 100644 index 000000000..ccec9cf8a --- /dev/null +++ b/actions/login.php @@ -0,0 +1,152 @@ +<?php +/* + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, Controlez-Vous, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +if (!defined('LACONICA')) { exit(1); } + +class LoginAction extends Action { + + function is_readonly() { + return true; + } + + function handle($args) { + parent::handle($args); + if (common_is_real_login()) { + common_user_error(_('Already logged in.')); + } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { + $this->check_login(); + } else { + $this->show_form(); + } + } + + function check_login() { + # XXX: login throttle + + # CSRF protection - token set in common_notice_form() + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $this->client_error(_('There was a problem with your session token. Try again, please.')); + return; + } + + $nickname = common_canonical_nickname($this->trimmed('nickname')); + $password = $this->arg('password'); + if (common_check_user($nickname, $password)) { + # success! + if (!common_set_user($nickname)) { + common_server_error(_('Error setting user.')); + return; + } + common_real_login(true); + if ($this->boolean('rememberme')) { + common_debug('Adding rememberme cookie for ' . $nickname); + common_rememberme(); + } + # success! + $url = common_get_returnto(); + if ($url) { + # We don't have to return to it again + common_set_returnto(NULL); + } else { + $url = common_local_url('all', + array('nickname' => + $nickname)); + } + common_redirect($url); + } else { + $this->show_form(_('Incorrect username or password.')); + return; + } + + # success! + if (!common_set_user($user)) { + common_server_error(_('Error setting user.')); + return; + } + + common_real_login(true); + + if ($this->boolean('rememberme')) { + common_debug('Adding rememberme cookie for ' . $nickname); + common_rememberme($user); + } + # success! + $url = common_get_returnto(); + if ($url) { + # We don't have to return to it again + common_set_returnto(NULL); + } else { + $url = common_local_url('all', + array('nickname' => + $nickname)); + } + common_redirect($url); + } + + function show_form($error=NULL) { + common_show_header(_('Login'), NULL, $error, array($this, 'show_top')); + common_element_start('form', array('method' => 'post', + 'id' => 'login', + 'action' => common_local_url('login'))); + common_input('nickname', _('Nickname')); + common_password('password', _('Password')); + common_checkbox('rememberme', _('Remember me'), false, + _('Automatically login in the future; ' . + 'not for shared computers!')); + common_submit('submit', _('Login')); + common_hidden('token', common_session_token()); + common_element_end('form'); + common_element_start('p'); + common_element('a', array('href' => common_local_url('recoverpassword')), + _('Lost or forgotten password?')); + common_element_end('p'); + common_show_footer(); + } + + function get_instructions() { + if (common_logged_in() && + !common_is_real_login() && + common_get_returnto()) + { + # rememberme logins have to reauthenticate before + # changing any profile settings (cookie-stealing protection) + return _('For security reasons, please re-enter your ' . + 'user name and password ' . + 'before changing your settings.'); + } else { + return _('Login with your username and password. ' . + 'Don\'t have a username yet? ' . + '[Register](%%action.register%%) a new account, or ' . + 'try [OpenID](%%action.openidlogin%%). '); + } + } + + function show_top($error=NULL) { + if ($error) { + common_element('p', 'error', $error); + } else { + $instr = $this->get_instructions(); + $output = common_markup_to_html($instr); + common_element_start('div', 'instructions'); + common_raw($output); + common_element_end('div'); + } + } +} |