2017-03-02 18:23:23 +08:00
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<?php
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require_once('inc/prerequisites.inc.php');
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$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
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2017-03-09 17:48:04 +08:00
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$u2f = new u2flib_server\U2F('https://' . $_SERVER['HTTP_HOST']);
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2017-03-02 18:23:23 +08:00
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function getRegs($username) {
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global $pdo;
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$sel = $pdo->prepare("select * from tfa where username = ?");
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$sel->execute(array($username));
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return $sel->fetchAll();
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}
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function addReg($username, $reg) {
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global $pdo;
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$ins = $pdo->prepare("INSERT INTO `tfa` (`username`, `keyHandle`, `publicKey`, `certificate`, `counter`) values (?, ?, ?, ?, ?)");
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$ins->execute(array($username, $reg->keyHandle, $reg->publicKey, $reg->certificate, $reg->counter));
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}
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function updateReg($reg) {
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global $pdo;
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$upd = $pdo->prepare("update tfa set counter = ? where id = ?");
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$upd->execute(array($reg->counter, $reg->id));
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}
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?>
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<html>
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<head>
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<script src="js/u2f-api.js"></script>
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<?php
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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if ((empty($_POST['u2f_username'])) || (!isset($_POST['action']) && !isset($_POST['u2f_register_data']) && !isset($_POST['u2f_auth_data']))) {
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print_r($_POST);
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exit();
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}
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else {
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$username = $_POST['u2f_username'];
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if (isset($_POST['action'])) {
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switch($_POST['action']) {
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case 'register':
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try {
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$data = $u2f->getRegisterData(getRegs($username));
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list($req, $sigs) = $data;
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$_SESSION['regReq'] = json_encode($req);
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?>
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<script>
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var req = <?=json_encode($req);?>;
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var sigs = <?=json_encode($sigs);?>;
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var username = "<?=$username;?>";
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setTimeout(function() {
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console.log("Register: ", req);
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u2f.register([req], sigs, function(data) {
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var form = document.getElementById('u2f_form');
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var reg = document.getElementById('u2f_register_data');
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var user = document.getElementById('u2f_username');
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var status = document.getElementById('u2f_status');
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console.log("Register callback", data);
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if (data.errorCode && data.errorCode != 0) {
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var div = document.getElementById('u2f_return_code');
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div.innerHTML = 'Error code: ' + data.errorCode;
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return;
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}
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reg.value = JSON.stringify(data);
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user.value = username;
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status.value = "1";
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form.submit();
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});
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}, 1000);
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</script>
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<?php
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}
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catch( Exception $e ) {
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echo "U2F error: " . $e->getMessage();
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}
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break;
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case 'authenticate':
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try {
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$reqs = json_encode($u2f->getAuthenticateData(getRegs($username)));
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$_SESSION['authReq'] = $reqs;
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?>
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<script>
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var req = <?=$reqs;?>;
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var username = "<?=$username;?>";
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setTimeout(function() {
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console.log("sign: ", req);
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u2f.sign(req, function(data) {
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var form = document.getElementById('u2f_form');
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var auth = document.getElementById('u2f_auth_data');
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var user = document.getElementById('u2f_username');
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console.log("Authenticate callback", data);
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auth.value = JSON.stringify(data);
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user.value = username;
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form.submit();
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});
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}, 1000);
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</script>
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<?php
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}
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catch (Exception $e) {
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echo "U2F error: " . $e->getMessage();
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}
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break;
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}
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}
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if (!empty($_POST['u2f_register_data'])) {
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try {
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$reg = $u2f->doRegister(json_decode($_SESSION['regReq']), json_decode($_POST['u2f_register_data']));
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addReg($username, $reg);
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}
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catch (Exception $e) {
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echo "U2F error: " . $e->getMessage();
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}
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finally {
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echo "Success";
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$_SESSION['regReq'] = null;
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}
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}
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if (!empty($_POST['u2f_auth_data'])) {
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try {
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$reg = $u2f->doAuthenticate(json_decode($_SESSION['authReq']), getRegs($username), json_decode($_POST['u2f_auth_data']));
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updateReg($reg);
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}
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catch (Exception $e) {
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echo "U2F error: " . $e->getMessage();
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}
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finally {
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echo "Success";
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$_SESSION['authReq'] = null;
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}
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}
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}
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?>
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</head>
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<body>
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<div id="u2f_return_code"></div>
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<form method="POST" id="u2f_form">
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<input type="hidden" name="u2f_register_data" id="u2f_register_data"/>
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<input type="hidden" name="u2f_auth_data" id="u2f_auth_data"/>
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<input type="hidden" name="u2f_username" id="u2f_username"/><br/>
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<input type="hidden" name="u2f_status" id="u2f_status"/><br/>
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</form>
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<?php
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}
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else {
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?>
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<form method="POST" id="post_form">
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Username: <input name="u2f_username" id="u2f_username"/><br/><hr>
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Action: <br />
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<input value="register" name="action" type="radio"/> Register<br/>
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<input value="authenticate" name="action" type="radio"/> Authenticate<br/>
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<button type="submit">Submit!</button>
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</form>
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<?php
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}
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?>
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</body>
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2017-03-09 17:48:04 +08:00
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</html>
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