$langmenu = popup_form("{$CFG->httpswwwroot}/login/index.php?lang=", $langs, "chooselang", $currlang, "", "", "", true, 'self', $langlabel);
}
$loginsite = get_string("loginsite");
$loginurl = !empty($CFG->alternateloginurl) ? $CFG->alternateloginurl : '';
if (get_moodle_cookie() == '') {
set_moodle_cookie('nobody');
// To help search for cookies
}
if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($CFG->auth_instructions)) {
$show_instructions = true;
} else {
$show_instructions = false;
}
// Set SAML domain cookie
$config = get_config('auth/shibboleth');
$IdPs = get_idp_list($config->organization_selection);
if (isset($_POST['idp']) && isset($IdPs[$_POST['idp']])) {
$selectedIdP = $_POST['idp'];
set_saml_cookie($selectedIdP);
// Redirect to SessionInitiator with entityID as argument
if (isset($IdPs[$selectedIdP][1]) && !empty($IdPs[$selectedIdP][1])) {
// For Shibbolet 1.x Service Providers
header('Location: ' . $IdPs[$selectedIdP][1] . '?providerId=' . urlencode($selectedIdP) . '&target=' . urlencode($CFG->wwwroot . '/auth/shibboleth/index.php'));
// For Shibbolet 2.x Service Providers
// header('Location: '.$IdPs[$selectedIdP][1].'?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
} else {
// For Shibbolet 1.x Service Providers
header('Location: /Shibboleth.sso?providerId=' . urlencode($selectedIdP) . '&target=' . urlencode($CFG->wwwroot . '/auth/shibboleth/index.php'));
// For Shibboleth 2.x Service Providers
// header('Location: /Shibboleth.sso/DS?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
}
/**
* Processes and stores configuration data for this authentication plugin.
*
*
* @param object $config Configuration object
*/
function process_config($config)
{
global $CFG;
// set to defaults if undefined
if (!isset($config->auth_instructions) or empty($config->user_attribute)) {
$config->auth_instructions = get_string('auth_shib_instructions', 'auth_shibboleth', $CFG->wwwroot . '/auth/shibboleth/index.php');
}
if (!isset($config->user_attribute)) {
$config->user_attribute = '';
}
if (!isset($config->convert_data)) {
$config->convert_data = '';
}
if (!isset($config->changepasswordurl)) {
$config->changepasswordurl = '';
}
if (!isset($config->login_name)) {
$config->login_name = 'Shibboleth Login';
}
// Clean idp list
if (isset($config->organization_selection) && !empty($config->organization_selection) && isset($config->alt_login) && $config->alt_login == 'on') {
$idp_list = get_idp_list($config->organization_selection);
if (count($idp_list) < 1) {
return false;
}
$config->organization_selection = '';
foreach ($idp_list as $idp => $value) {
$config->organization_selection .= $idp . ', ' . $value[0] . ', ' . $value[1] . "\n";
}
}
// save settings
set_config('user_attribute', $config->user_attribute, 'auth/shibboleth');
if (isset($config->organization_selection) && !empty($config->organization_selection)) {
set_config('organization_selection', $config->organization_selection, 'auth/shibboleth');
}
set_config('logout_handler', $config->logout_handler, 'auth/shibboleth');
set_config('logout_return_url', $config->logout_return_url, 'auth/shibboleth');
set_config('login_name', $config->login_name, 'auth/shibboleth');
set_config('convert_data', $config->convert_data, 'auth/shibboleth');
set_config('auth_instructions', $config->auth_instructions, 'auth/shibboleth');
set_config('changepasswordurl', $config->changepasswordurl, 'auth/shibboleth');
// Overwrite alternative login URL if integrated WAYF is used
if (isset($config->alt_login) && $config->alt_login == 'on') {
set_config('alt_login', $config->alt_login, 'auth/shibboleth');
set_config('alternateloginurl', $CFG->wwwroot . '/auth/shibboleth/login.php');
} else {
// Check if integrated WAYF was enabled and is now turned off
// If it was and only then, reset the Moodle alternate URL
if (isset($this->config->alt_login) and $this->config->alt_login == 'on') {
set_config('alt_login', 'off', 'auth/shibboleth');
set_config('alternateloginurl', '');
}
$config->alt_login = '******';
}
// Check values and return false if something is wrong
// Patch Anyware Technologies (14/05/07)
if ($config->convert_data != '' && (!file_exists($config->convert_data) || !is_readable($config->convert_data))) {
return false;
}
// Check if there is at least one entry in the IdP list
if (isset($config->organization_selection) && empty($config->organization_selection) && isset($config->alt_login) && $config->alt_login == 'on') {
return false;
}
return true;
}