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adding webauthn test code

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jakani24
2024-04-04 20:06:52 +02:00
parent 9415ba95e5
commit 6632604528
16 changed files with 3794 additions and 0 deletions
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334
src/server/cyberhex-code/test/server.php Normal file
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require_once '../src/WebAuthn.php';
try {
session_start();
// read get argument and post body
$fn = filter_input(INPUT_GET, 'fn');
$requireResidentKey = !!filter_input(INPUT_GET, 'requireResidentKey');
$userVerification = filter_input(INPUT_GET, 'userVerification', FILTER_SANITIZE_SPECIAL_CHARS);
$userId = filter_input(INPUT_GET, 'userId', FILTER_SANITIZE_SPECIAL_CHARS);
$userName = filter_input(INPUT_GET, 'userName', FILTER_SANITIZE_SPECIAL_CHARS);
$userDisplayName = filter_input(INPUT_GET, 'userDisplayName', FILTER_SANITIZE_SPECIAL_CHARS);
$userId = preg_replace('/[^0-9a-f]/i', '', $userId);
$userName = preg_replace('/[^0-9a-z]/i', '', $userName);
$userDisplayName = preg_replace('/[^0-9a-z öüäéèàÖÜÄÉÈÀÂÊÎÔÛâêîôû]/i', '', $userDisplayName);
$post = trim(file_get_contents('php://input'));
if ($post) {
$post = json_decode($post, null, 512, JSON_THROW_ON_ERROR);
}
if ($fn !== 'getStoredDataHtml') {
// Formats
$formats = [];
if (filter_input(INPUT_GET, 'fmt_android-key')) {
$formats[] = 'android-key';
}
if (filter_input(INPUT_GET, 'fmt_android-safetynet')) {
$formats[] = 'android-safetynet';
}
if (filter_input(INPUT_GET, 'fmt_apple')) {
$formats[] = 'apple';
}
if (filter_input(INPUT_GET, 'fmt_fido-u2f')) {
$formats[] = 'fido-u2f';
}
if (filter_input(INPUT_GET, 'fmt_none')) {
$formats[] = 'none';
}
if (filter_input(INPUT_GET, 'fmt_packed')) {
$formats[] = 'packed';
}
if (filter_input(INPUT_GET, 'fmt_tpm')) {
$formats[] = 'tpm';
}
$rpId = 'localhost';
if (filter_input(INPUT_GET, 'rpId')) {
$rpId = filter_input(INPUT_GET, 'rpId', FILTER_VALIDATE_DOMAIN);
if ($rpId === false) {
throw new Exception('invalid relying party ID');
}
}
// types selected on front end
$typeUsb = !!filter_input(INPUT_GET, 'type_usb');
$typeNfc = !!filter_input(INPUT_GET, 'type_nfc');
$typeBle = !!filter_input(INPUT_GET, 'type_ble');
$typeInt = !!filter_input(INPUT_GET, 'type_int');
$typeHyb = !!filter_input(INPUT_GET, 'type_hybrid');
// cross-platform: true, if type internal is not allowed
// false, if only internal is allowed
// null, if internal and cross-platform is allowed
$crossPlatformAttachment = null;
if (($typeUsb || $typeNfc || $typeBle || $typeHyb) && !$typeInt) {
$crossPlatformAttachment = true;
} else if (!$typeUsb && !$typeNfc && !$typeBle && !$typeHyb && $typeInt) {
$crossPlatformAttachment = false;
}
// new Instance of the server library.
// make sure that $rpId is the domain name.
$WebAuthn = new lbuchs\WebAuthn\WebAuthn('WebAuthn Library', $rpId, $formats);
// add root certificates to validate new registrations
if (filter_input(INPUT_GET, 'solo')) {
$WebAuthn->addRootCertificates('rootCertificates/solo.pem');
}
if (filter_input(INPUT_GET, 'apple')) {
$WebAuthn->addRootCertificates('rootCertificates/apple.pem');
}
if (filter_input(INPUT_GET, 'yubico')) {
$WebAuthn->addRootCertificates('rootCertificates/yubico.pem');
}
if (filter_input(INPUT_GET, 'hypersecu')) {
$WebAuthn->addRootCertificates('rootCertificates/hypersecu.pem');
}
if (filter_input(INPUT_GET, 'google')) {
$WebAuthn->addRootCertificates('rootCertificates/globalSign.pem');
$WebAuthn->addRootCertificates('rootCertificates/googleHardware.pem');
}
if (filter_input(INPUT_GET, 'microsoft')) {
$WebAuthn->addRootCertificates('rootCertificates/microsoftTpmCollection.pem');
}
if (filter_input(INPUT_GET, 'mds')) {
$WebAuthn->addRootCertificates('rootCertificates/mds');
}
}
// ------------------------------------
// request for create arguments
// ------------------------------------
if ($fn === 'getCreateArgs') {
$createArgs = $WebAuthn->getCreateArgs(\hex2bin($userId), $userName, $userDisplayName, 60*4, $requireResidentKey, $userVerification, $crossPlatformAttachment);
header('Content-Type: application/json');
print(json_encode($createArgs));
// save challange to session. you have to deliver it to processGet later.
$_SESSION['challenge'] = $WebAuthn->getChallenge();
// ------------------------------------
// request for get arguments
// ------------------------------------
} else if ($fn === 'getGetArgs') {
$ids = [];
if ($requireResidentKey) {
if (!isset($_SESSION['registrations']) || !is_array($_SESSION['registrations']) || count($_SESSION['registrations']) === 0) {
throw new Exception('we do not have any registrations in session to check the registration');
}
} else {
// load registrations from session stored there by processCreate.
// normaly you have to load the credential Id's for a username
// from the database.
if (isset($_SESSION['registrations']) && is_array($_SESSION['registrations'])) {
foreach ($_SESSION['registrations'] as $reg) {
if ($reg->userId === $userId) {
$ids[] = $reg->credentialId;
}
}
}
if (count($ids) === 0) {
throw new Exception('no registrations in session for userId ' . $userId);
}
}
$getArgs = $WebAuthn->getGetArgs($ids, 60*4, $typeUsb, $typeNfc, $typeBle, $typeHyb, $typeInt, $userVerification);
header('Content-Type: application/json');
print(json_encode($getArgs));
// save challange to session. you have to deliver it to processGet later.
$_SESSION['challenge'] = $WebAuthn->getChallenge();
// ------------------------------------
// process create
// ------------------------------------
} else if ($fn === 'processCreate') {
$clientDataJSON = base64_decode($post->clientDataJSON);
$attestationObject = base64_decode($post->attestationObject);
$challenge = $_SESSION['challenge'];
// processCreate returns data to be stored for future logins.
// in this example we store it in the php session.
// Normaly you have to store the data in a database connected
// with the user name.
$data = $WebAuthn->processCreate($clientDataJSON, $attestationObject, $challenge, $userVerification === 'required', true, false);
// add user infos
$data->userId = $userId;
$data->userName = $userName;
$data->userDisplayName = $userDisplayName;
if (!isset($_SESSION['registrations']) || !array_key_exists('registrations', $_SESSION) || !is_array($_SESSION['registrations'])) {
$_SESSION['registrations'] = [];
}
$_SESSION['registrations'][] = $data;
$msg = 'registration success.';
if ($data->rootValid === false) {
$msg = 'registration ok, but certificate does not match any of the selected root ca.';
}
$return = new stdClass();
$return->success = true;
$return->msg = $msg;
header('Content-Type: application/json');
print(json_encode($return));
// ------------------------------------
// proccess get
// ------------------------------------
} else if ($fn === 'processGet') {
$clientDataJSON = base64_decode($post->clientDataJSON);
$authenticatorData = base64_decode($post->authenticatorData);
$signature = base64_decode($post->signature);
$userHandle = base64_decode($post->userHandle);
$id = base64_decode($post->id);
$challenge = $_SESSION['challenge'] ?? '';
$credentialPublicKey = null;
// looking up correspondending public key of the credential id
// you should also validate that only ids of the given user name
// are taken for the login.
if (isset($_SESSION['registrations']) && is_array($_SESSION['registrations'])) {
foreach ($_SESSION['registrations'] as $reg) {
if ($reg->credentialId === $id) {
$credentialPublicKey = $reg->credentialPublicKey;
break;
}
}
}
if ($credentialPublicKey === null) {
throw new Exception('Public Key for credential ID not found!');
}
// if we have resident key, we have to verify that the userHandle is the provided userId at registration
if ($requireResidentKey && $userHandle !== hex2bin($reg->userId)) {
throw new \Exception('userId doesnt match (is ' . bin2hex($userHandle) . ' but expect ' . $reg->userId . ')');
}
// process the get request. throws WebAuthnException if it fails
$WebAuthn->processGet($clientDataJSON, $authenticatorData, $signature, $credentialPublicKey, $challenge, null, $userVerification === 'required');
$return = new stdClass();
$return->success = true;
header('Content-Type: application/json');
print(json_encode($return));
// ------------------------------------
// proccess clear registrations
// ------------------------------------
} else if ($fn === 'clearRegistrations') {
$_SESSION['registrations'] = null;
$_SESSION['challenge'] = null;
$return = new stdClass();
$return->success = true;
$return->msg = 'all registrations deleted';
header('Content-Type: application/json');
print(json_encode($return));
// ------------------------------------
// display stored data as HTML
// ------------------------------------
} else if ($fn === 'getStoredDataHtml') {
$html = '<!DOCTYPE html>' . "\n";
$html .= '<html><head><style>tr:nth-child(even){background-color: #f2f2f2;}</style></head>';
$html .= '<body style="font-family:sans-serif">';
if (isset($_SESSION['registrations']) && is_array($_SESSION['registrations'])) {
$html .= '<p>There are ' . count($_SESSION['registrations']) . ' registrations in this session:</p>';
foreach ($_SESSION['registrations'] as $reg) {
$html .= '<table style="border:1px solid black;margin:10px 0;">';
foreach ($reg as $key => $value) {
if (is_bool($value)) {
$value = $value ? 'yes' : 'no';
} else if (is_null($value)) {
$value = 'null';
} else if (is_object($value)) {
$value = chunk_split(strval($value), 64);
} else if (is_string($value) && strlen($value) > 0 && htmlspecialchars($value, ENT_QUOTES) === '') {
$value = chunk_split(bin2hex($value), 64);
}
$html .= '<tr><td>' . htmlspecialchars($key) . '</td><td style="font-family:monospace;">' . nl2br(htmlspecialchars($value)) . '</td>';
}
$html .= '</table>';
}
} else {
$html .= '<p>There are no registrations in this session.</p>';
}
$html .= '</body></html>';
header('Content-Type: text/html');
print $html;
// ------------------------------------
// get root certs from FIDO Alliance Metadata Service
// ------------------------------------
} else if ($fn === 'queryFidoMetaDataService') {
$mdsFolder = 'rootCertificates/mds';
$success = false;
$msg = null;
// fetch only 1x / 24h
$lastFetch = \is_file($mdsFolder . '/lastMdsFetch.txt') ? \strtotime(\file_get_contents($mdsFolder . '/lastMdsFetch.txt')) : 0;
if ($lastFetch + (3600*48) < \time()) {
$cnt = $WebAuthn->queryFidoMetaDataService($mdsFolder);
$success = true;
\file_put_contents($mdsFolder . '/lastMdsFetch.txt', date('r'));
$msg = 'successfully queried FIDO Alliance Metadata Service - ' . $cnt . ' certificates downloaded.';
} else {
$msg = 'Fail: last fetch was at ' . date('r', $lastFetch) . ' - fetch only 1x every 48h';
}
$return = new stdClass();
$return->success = $success;
$return->msg = $msg;
header('Content-Type: application/json');
print(json_encode($return));
}
} catch (Throwable $ex) {
$return = new stdClass();
$return->success = false;
$return->msg = $ex->getMessage();
header('Content-Type: application/json');
print(json_encode($return));
}
?>