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<?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); }
require_once(INSTALLDIR.'/lib/openid.php');
class OpenidloginAction extends Action {
function handle($args) {
parent::handle($args);
if (common_logged_in()) {
common_user_error(_('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
# CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$this->show_form(_('There was a problem with your session token. Try again, please.'));
return;
}
$openid_url = $this->trimmed('openid_url');
$result = oid_authenticate($openid_url,
'finishopenidlogin');
if (is_string($result)) { # error message
$this->show_form($result, $openid_url);
}
} else {
$openid_url = oid_get_last();
$this->show_form(NULL, $openid_url);
}
}
function get_instructions() {
return _('Login with an [OpenID](%%doc.openid%%) account.');
}
function show_top($error=NULL) {
if ($error) {
common_element('div', array('class' => 'error'), $error);
} else {
$instr = $this->get_instructions();
$output = common_markup_to_html($instr);
common_element_start('div', 'instructions');
common_raw($output);
common_element_end('div');
}
}
function show_form($error=NULL, $openid_url) {
common_show_header(_('OpenID Login'), NULL, $error, array($this, 'show_top'));
$formaction = common_local_url('openidlogin');
common_element_start('form', array('method' => 'post',
'id' => 'openidlogin',
'action' => $formaction));
common_hidden('token', common_session_token());
common_input('openid_url', _('OpenID URL'),
$openid_url,
_('Your OpenID URL'));
common_submit('submit', _('Login'));
common_element_end('form');
common_show_footer();
}
}
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