u
This commit is contained in:
jakani24
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<?php
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//with db:
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require_once 'WebAuthn.php';
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// Assuming you've already established a database connection here
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include "../../../config.php";
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$conn = new mysqli($DB_SERVERNAME, $DB_USERNAME, $DB_PASSWORD,$DB_DATABASE);
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if ($conn->connect_error) {
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$success=0;
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die("Connection failed: " . $conn->connect_error);
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}
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try {
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session_start();
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// read get argument and post body
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$fn = filter_input(INPUT_GET, 'fn');
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$requireResidentKey = !!filter_input(INPUT_GET, 'requireResidentKey');
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$userVerification = filter_input(INPUT_GET, 'userVerification', FILTER_SANITIZE_SPECIAL_CHARS);
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$userId = filter_input(INPUT_GET, 'userId', FILTER_SANITIZE_SPECIAL_CHARS);
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$userName = filter_input(INPUT_GET, 'userName', FILTER_SANITIZE_SPECIAL_CHARS);
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$userDisplayName = filter_input(INPUT_GET, 'userDisplayName', FILTER_SANITIZE_SPECIAL_CHARS);
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$userId = preg_replace('/[^0-9a-f]/i', '', $userId);
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$userName = preg_replace('/[^0-9a-z]/i', '', $_SESSION["username"]);
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$userDisplayName = preg_replace('/[^0-9a-z öüäéèàÖÜÄÉÈÀÂÊÎÔÛâêîôû]/i', '', $userDisplayName);
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$post = trim(file_get_contents('php://input'));
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if ($post) {
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$post = json_decode($post, null, 512, JSON_THROW_ON_ERROR);
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}
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if ($fn !== 'getStoredDataHtml') {
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// Formats
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$formats = [];
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//if (filter_input(INPUT_GET, 'fmt_android-key')) {
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$formats[] = 'android-key';
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//}
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///if (filter_input(INPUT_GET, 'fmt_android-safetynet')) {
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$formats[] = 'android-safetynet';
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//}
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//if (filter_input(INPUT_GET, 'fmt_apple')) {
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$formats[] = 'apple';
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//}
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//if (filter_input(INPUT_GET, 'fmt_fido-u2f')) {
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$formats[] = 'fido-u2f';
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//}
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//if (filter_input(INPUT_GET, 'fmt_none')) {
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$formats[] = 'none';
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//}
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//if (filter_input(INPUT_GET, 'fmt_packed')) {
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$formats[] = 'packed';
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//}
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//if (filter_input(INPUT_GET, 'fmt_tpm')) {
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$formats[] = 'tpm';
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//}
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$rpId=$_SERVER['SERVER_NAME'];
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$typeUsb = true;
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$typeNfc = true;
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$typeBle = true;
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$typeInt = true;
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$typeHyb = true;
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// cross-platform: true, if type internal is not allowed
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// false, if only internal is allowed
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// null, if internal and cross-platform is allowed
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$crossPlatformAttachment = null;
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if (($typeUsb || $typeNfc || $typeBle || $typeHyb) && !$typeInt) {
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$crossPlatformAttachment = true;
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} else if (!$typeUsb && !$typeNfc && !$typeBle && !$typeHyb && $typeInt) {
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$crossPlatformAttachment = false;
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}
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// new Instance of the server library.
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// make sure that $rpId is the domain name.
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$WebAuthn = new lbuchs\WebAuthn\WebAuthn('WebAuthn Library', $rpId, $formats);
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// add root certificates to validate new registrations
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//if (filter_input(INPUT_GET, 'solo')) {
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$WebAuthn->addRootCertificates('rootCertificates/solo.pem');
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//}
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//if (filter_input(INPUT_GET, 'apple')) {
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$WebAuthn->addRootCertificates('rootCertificates/apple.pem');
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//}
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//if (filter_input(INPUT_GET, 'yubico')) {
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$WebAuthn->addRootCertificates('rootCertificates/yubico.pem');
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//}
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//if (filter_input(INPUT_GET, 'hypersecu')) {
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$WebAuthn->addRootCertificates('rootCertificates/hypersecu.pem');
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//}
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//if (filter_input(INPUT_GET, 'google')) {
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$WebAuthn->addRootCertificates('rootCertificates/globalSign.pem');
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$WebAuthn->addRootCertificates('rootCertificates/googleHardware.pem');
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//}
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//if (filter_input(INPUT_GET, 'microsoft')) {
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$WebAuthn->addRootCertificates('rootCertificates/microsoftTpmCollection.pem');
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//}
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//if (filter_input(INPUT_GET, 'mds')) {
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$WebAuthn->addRootCertificates('rootCertificates/mds');
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//}
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}
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// Handle different functions
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if ($fn === 'getCreateArgs') {
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$createArgs = $WebAuthn->getCreateArgs(\hex2bin($userId), $userName, $userDisplayName, 60*4, $requireResidentKey, $userVerification, $crossPlatformAttachment);
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header('Content-Type: application/json');
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print(json_encode($createArgs));
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// save challange to session. you have to deliver it to processGet later.
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$_SESSION['challenge'] = $WebAuthn->getChallenge();
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} else if ($fn === 'getGetArgs') {
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$ids = [];
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if ($requireResidentKey) {
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if (!isset($_SESSION['registrations']) || !is_array($_SESSION['registrations']) || count($_SESSION['registrations']) === 0) {
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throw new Exception('we do not have any registrations in session to check the registration');
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}
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} else {
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// load registrations from session stored there by processCreate.
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// normaly you have to load the credential Id's for a username
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// from the database.
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if (isset($_SESSION['registrations']) && is_array($_SESSION['registrations'])) {
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foreach ($_SESSION['registrations'] as $reg) {
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if ($reg->userId === $userId) {
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$ids[] = $reg->credentialId;
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}
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}
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}
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if (count($ids) === 0) {
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throw new Exception('no registrations in session for userId ' . $userId);
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}
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}
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$getArgs = $WebAuthn->getGetArgs($ids, 60*4, $typeUsb, $typeNfc, $typeBle, $typeHyb, $typeInt, $userVerification);
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header('Content-Type: application/json');
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print(json_encode($getArgs));
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// save challange to session. you have to deliver it to processGet later.
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$_SESSION['challenge'] = $WebAuthn->getChallenge();
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} else if ($fn === 'processCreate') {
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// Process create
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$challenge = $_SESSION['challenge'];
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$clientDataJSON = base64_decode($post->clientDataJSON);
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$attestationObject = base64_decode($post->attestationObject);
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// Process create and store data in the database
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$data = $WebAuthn->processCreate($clientDataJSON, $attestationObject, $challenge, $userVerification === 'required', true, false);
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// add user infos
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$data->userId = $userId;
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$data->userName = $userName;
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$data->userDisplayName = $userDisplayName;
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// Store registration data in the database
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$stmt = $conn->prepare("UPDATE users set user_hex_id = ?, credential_id = ?, public_key = ?, counter = ? WHERE username = ?");
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//$stmt = $conn->prepare("INSERT INTO users (user_hex_id, credential_id, public_key, counter) VALUES (?, ?, ?, ?)");
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//var_dump($data);
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$stmt->execute([$userId, $data->credentialId, $data->credentialPublicKey, $data->signatureCounter,$userName]);
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$msg = 'registration success.';
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$return = new stdClass();
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$return->success = true;
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$return->msg = $msg;
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header('Content-Type: application/json');
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print(json_encode($return));
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}
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} catch (Throwable $ex) {
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$return = new stdClass();
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$return->success = false;
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$return->msg = $ex->getMessage();
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header('Content-Type: application/json');
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print(json_encode($return));
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}
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?>
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