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<?php
/**
* This page shows a username/password login form, and passes information from it
* to the \SimpleSAML\Module\core\Auth\UserPassBase class, which is a generic class for
* username/password authentication.
*
* @author Olav Morken, UNINETT AS.
* @package SimpleSAMLphp
*/
// Retrieve the authentication state
if (!array_key_exists('AuthState', $_REQUEST)) {
throw new \SimpleSAML\Error\BadRequest('Missing AuthState parameter.');
}
$authStateId = $_REQUEST['AuthState'];
/** @var array $state */
$state = \SimpleSAML\Auth\State::loadState($authStateId, \SimpleSAML\Module\core\Auth\UserPassBase::STAGEID);
/** @var \SimpleSAML\Module\core\Auth\UserPassBase|null $source */
$source = \SimpleSAML\Auth\Source::getById($state[\SimpleSAML\Module\core\Auth\UserPassBase::AUTHID]);
if ($source === null) {
throw new \Exception(
'Could not find authentication source with id ' . $state[\SimpleSAML\Module\core\Auth\UserPassBase::AUTHID]
);
}
if (array_key_exists('username', $_REQUEST)) {
$username = $_REQUEST['username'];
} elseif ($source->getRememberUsernameEnabled() && array_key_exists($source->getAuthId() . '-username', $_COOKIE)) {
$username = $_COOKIE[$source->getAuthId() . '-username'];
} elseif (isset($state['core:username'])) {
$username = (string) $state['core:username'];
} else {
$username = '';
}
if (array_key_exists('password', $_REQUEST)) {
$password = $_REQUEST['password'];
} else {
$password = '';
}
$errorCode = null;
$errorParams = null;
$queryParams = [];
if (isset($state['error'])) {
$errorCode = $state['error']['code'];
$errorParams = $state['error']['params'];
$queryParams = ['AuthState' => $authStateId];
}
if (!empty($_REQUEST['username']) || !empty($password)) {
// Either username or password set - attempt to log in
if (array_key_exists('forcedUsername', $state)) {
$username = $state['forcedUsername'];
}
if ($source->getRememberUsernameEnabled()) {
$sessionHandler = \SimpleSAML\SessionHandler::getSessionHandler();
$params = $sessionHandler->getCookieParams();
if (isset($_REQUEST['remember_username']) && $_REQUEST['remember_username'] == 'Yes') {
$params['expire'] = time() + 31536000;
} else {
$params['expire'] = time() - 300;
}
\SimpleSAML\Utils\HTTP::setCookie($source->getAuthId() . '-username', $username, $params, false);
}
if ($source->isRememberMeEnabled()) {
if (array_key_exists('remember_me', $_REQUEST) && $_REQUEST['remember_me'] === 'Yes') {
$state['RememberMe'] = true;
$authStateId = \SimpleSAML\Auth\State::saveState(
$state,
\SimpleSAML\Module\core\Auth\UserPassBase::STAGEID
);
}
}
try {
\SimpleSAML\Module\core\Auth\UserPassBase::handleLogin($authStateId, $username, $password);
} catch (\SimpleSAML\Error\Error $e) {
// Login failed. Extract error code and parameters, to display the error
$errorCode = $e->getErrorCode();
$errorParams = $e->getParameters();
$state['error'] = [
'code' => $errorCode,
'params' => $errorParams
];
$authStateId = \SimpleSAML\Auth\State::saveState($state, \SimpleSAML\Module\core\Auth\UserPassBase::STAGEID);
$queryParams = ['AuthState' => $authStateId];
}
if (isset($state['error'])) {
unset($state['error']);
}
}
$globalConfig = \SimpleSAML\Configuration::getInstance();
$t = new \SimpleSAML\XHTML\Template($globalConfig, 'core:loginuserpass.tpl.php');
$t->data['stateparams'] = ['AuthState' => $authStateId];
if (array_key_exists('forcedUsername', $state)) {
$t->data['username'] = $state['forcedUsername'];
$t->data['forceUsername'] = true;
$t->data['rememberUsernameEnabled'] = false;
$t->data['rememberUsernameChecked'] = false;
$t->data['rememberMeEnabled'] = $source->isRememberMeEnabled();
$t->data['rememberMeChecked'] = $source->isRememberMeChecked();
} else {
$t->data['username'] = $username;
$t->data['forceUsername'] = false;
$t->data['rememberUsernameEnabled'] = $source->getRememberUsernameEnabled();
$t->data['rememberUsernameChecked'] = $source->getRememberUsernameChecked();
$t->data['rememberMeEnabled'] = $source->isRememberMeEnabled();
$t->data['rememberMeChecked'] = $source->isRememberMeChecked();
if (isset($_COOKIE[$source->getAuthId() . '-username'])) {
$t->data['rememberUsernameChecked'] = true;
}
}
$t->data['links'] = $source->getLoginLinks();
$t->data['errorcode'] = $errorCode;
$t->data['errorcodes'] = SimpleSAML\Error\ErrorCodes::getAllErrorCodeMessages();
$t->data['errorparams'] = $errorParams;
if (!empty($queryParams)) {
$t->data['queryParams'] = $queryParams;
}
if (isset($state['SPMetadata'])) {
$t->data['SPMetadata'] = $state['SPMetadata'];
} else {
$t->data['SPMetadata'] = null;
}
$t->show();
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