.
/**
* Handle the return from the Tool Provider after registering a tool proxy.
*
* @package mod_lti
* @copyright 2014 Vital Source Technologies http://vitalsource.com
* @author Stephen Vickers
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_once($CFG->dirroot.'/mod/lti/locallib.php');
$top = optional_param('top', 0, PARAM_INT);
$msg = optional_param('lti_msg', '', PARAM_TEXT);
$err = optional_param('lti_errormsg', '', PARAM_TEXT);
$id = optional_param('id', 0, PARAM_INT);
// No guest autologin.
require_sesskey();
require_login(0, false);
$systemcontext = context_system::instance();
require_capability('moodle/site:config', $systemcontext);
if (empty($top)) {
$params = array();
$params['sesskey'] = sesskey();
$params['top'] = '1';
if (!empty($msg)) {
$params['lti_msg'] = $msg;
}
if (!empty($err)) {
$params['lti_errormsg'] = $err;
}
if (!empty($id)) {
$params['id'] = $id;
}
$redirect = new moodle_url('/mod/lti/registrationreturn.php', $params);
$redirect = $redirect->out(false);
$clickhere = get_string('click_to_continue', 'lti', (object)array('link' => $redirect));
$html = <<< EOD
EOD;
// We always send the headers because they set the encoding.
send_headers('text/html; charset=utf-8', false);
echo $html;
} else if (!empty($msg) && !empty($err)) {
$params = array();
$params['sesskey'] = sesskey();
$params['top'] = '1';
if (!empty($err)) {
$params['lti_errormsg'] = $err;
}
if (!empty($id)) {
$params['id'] = $id;
}
$redirect = new moodle_url('/mod/lti/registrationreturn.php', $params);
$redirect = $redirect->out(false);
redirect($redirect, $err);
} else {
$redirect = new moodle_url('/mod/lti/toolproxies.php');
if (!empty($id)) {
$toolproxy = $DB->get_record('lti_tool_proxies', array('id' => $id));
switch($toolproxy->state) {
case LTI_TOOL_PROXY_STATE_ACCEPTED:
$redirect->param('tab', 'tp_accepted');
break;
case LTI_TOOL_PROXY_STATE_REJECTED:
$redirect->param('tab', 'tp_rejected');
break;
case LTI_TOOL_PROXY_STATE_PENDING:
// Change the status to configured.
$toolproxy->state = LTI_TOOL_PROXY_STATE_CONFIGURED;
lti_update_tool_proxy($toolproxy);
}
}
$redirect = $redirect->out();
if (empty($msg)) {
$msg = $err;
}
redirect($redirect, $msg);
}