added basic Cardinal Cruise implmentation

AuthorizeNet · Apr 17, 2017 · be8d2a1 · be8d2a1
1 parent c3a226b
commit be8d2a1
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Showing 5 changed files with 411 additions and 156 deletions.
diff --git a/JWT.php b/JWT.php
@@ -0,0 +1,184 @@
+<?php
+/**
+ * JSON Web Token implementation, based on this spec:
+ * http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06
+ *
+ * PHP version 5
+ *
+ * @category Authentication
+ * @package  Authentication_JWT
+ * @author   Neuman Vong <neuman@twilio.com>
+ * @author   Anant Narayanan <anant@php.net>
+ * @license  http://opensource.org/licenses/BSD-3-Clause 3-clause BSD
+ * @link     https://github.com/firebase/php-jwt
+ */
+class JWT
+{
+	/**
+	 * Decodes a JWT string into a PHP object.
+	 *
+	 * @param string      $jwt    The JWT
+	 * @param string|null $key    The secret key
+	 * @param bool        $verify Don't skip verification process 
+	 *
+	 * @return object      The JWT's payload as a PHP object
+	 * @throws UnexpectedValueException Provided JWT was invalid
+	 * @throws DomainException          Algorithm was not provided
+	 * 
+	 * @uses jsonDecode
+	 * @uses urlsafeB64Decode
+	 */
+	public static function decode($jwt, $key = null, $verify = true)
+	{
+		$tks = explode('.', $jwt);
+		if (count($tks) != 3) {
+			throw new UnexpectedValueException('Wrong number of segments');
+		}
+		list($headb64, $bodyb64, $cryptob64) = $tks;
+		if (null === ($header = JWT::jsonDecode(JWT::urlsafeB64Decode($headb64)))) {
+			throw new UnexpectedValueException('Invalid segment encoding');
+		}
+		if (null === $payload = JWT::jsonDecode(JWT::urlsafeB64Decode($bodyb64))) {
+			throw new UnexpectedValueException('Invalid segment encoding');
+		}
+		$sig = JWT::urlsafeB64Decode($cryptob64);
+		if ($verify) {
+			if (empty($header->alg)) {
+				throw new DomainException('Empty algorithm');
+			}
+			if ($sig != JWT::sign("$headb64.$bodyb64", $key, $header->alg)) {
+				throw new UnexpectedValueException('Signature verification failed');
+			}
+		}
+		return $payload;
+	}
+	/**
+	 * Converts and signs a PHP object or array into a JWT string.
+	 *
+	 * @param object|array $payload PHP object or array
+	 * @param string       $key     The secret key
+	 * @param string       $algo    The signing algorithm. Supported
+	 *                              algorithms are 'HS256', 'HS384' and 'HS512'
+	 *
+	 * @return string      A signed JWT
+	 * @uses jsonEncode
+	 * @uses urlsafeB64Encode
+	 */
+	public static function encode($payload, $key, $algo = 'HS256')
+	{
+		$header = array('typ' => 'JWT', 'alg' => $algo);
+		$segments = array();
+		$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($header));
+		$segments[] = JWT::urlsafeB64Encode(JWT::jsonEncode($payload));
+		$signing_input = implode('.', $segments);
+		$signature = JWT::sign($signing_input, $key, $algo);
+		$segments[] = JWT::urlsafeB64Encode($signature);
+		return implode('.', $segments);
+	}
+	/**
+	 * Sign a string with a given key and algorithm.
+	 *
+	 * @param string $msg    The message to sign
+	 * @param string $key    The secret key
+	 * @param string $method The signing algorithm. Supported
+	 *                       algorithms are 'HS256', 'HS384' and 'HS512'
+	 *
+	 * @return string          An encrypted message
+	 * @throws DomainException Unsupported algorithm was specified
+	 */
+	public static function sign($msg, $key, $method = 'HS256')
+	{
+		$methods = array(
+			'HS256' => 'sha256',
+			'HS384' => 'sha384',
+			'HS512' => 'sha512',
+		);
+		if (empty($methods[$method])) {
+			throw new DomainException('Algorithm not supported');
+		}
+		return hash_hmac($methods[$method], $msg, $key, true);
+	}
+	/**
+	 * Decode a JSON string into a PHP object.
+	 *
+	 * @param string $input JSON string
+	 *
+	 * @return object          Object representation of JSON string
+	 * @throws DomainException Provided string was invalid JSON
+	 */
+	public static function jsonDecode($input)
+	{
+		$obj = json_decode($input);
+		if (function_exists('json_last_error') && $errno = json_last_error()) {
+			JWT::_handleJsonError($errno);
+		} else if ($obj === null && $input !== 'null') {
+			throw new DomainException('Null result with non-null input');
+		}
+		return $obj;
+	}
+	/**
+	 * Encode a PHP object into a JSON string.
+	 *
+	 * @param object|array $input A PHP object or array
+	 *
+	 * @return string          JSON representation of the PHP object or array
+	 * @throws DomainException Provided object could not be encoded to valid JSON
+	 */
+	public static function jsonEncode($input)
+	{
+		$json = json_encode($input);
+		if (function_exists('json_last_error') && $errno = json_last_error()) {
+			JWT::_handleJsonError($errno);
+		} else if ($json === 'null' && $input !== null) {
+			throw new DomainException('Null result with non-null input');
+		}
+		return $json;
+	}
+	/**
+	 * Decode a string with URL-safe Base64.
+	 *
+	 * @param string $input A Base64 encoded string
+	 *
+	 * @return string A decoded string
+	 */
+	public static function urlsafeB64Decode($input)
+	{
+		$remainder = strlen($input) % 4;
+		if ($remainder) {
+			$padlen = 4 - $remainder;
+			$input .= str_repeat('=', $padlen);
+		}
+		return base64_decode(strtr($input, '-_', '+/'));
+	}
+	/**
+	 * Encode a string with URL-safe Base64.
+	 *
+	 * @param string $input The string you want encoded
+	 *
+	 * @return string The base64 encode of what you passed in
+	 */
+	public static function urlsafeB64Encode($input)
+	{
+		return str_replace('=', '', strtr(base64_encode($input), '+/', '-_'));
+	}
+	/**
+	 * Helper method to create a JSON error.
+	 *
+	 * @param int $errno An error number from json_last_error()
+	 *
+	 * @return void
+	 */
+	private static function _handleJsonError($errno)
+	{
+		$messages = array(
+			JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
+			JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
+			JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON'
+		);
+		throw new DomainException(
+			isset($messages[$errno])
+			? $messages[$errno]
+			: 'Unknown JSON error: ' . $errno
+		);
+	}
+}
diff --git a/generateCardinalJWT.php b/generateCardinalJWT.php
@@ -1,41 +1,36 @@
-<?php
-
-	require "vendor/autoload.php"; // Autoload.php is generated by Composer
-
-	use Lcobucci\JWT\Builder;
-	use Lcobucci\JWT\Signer\Hmac\Sha256;
-
-	$GLOBALS['ApiKey'] = '[754be3dc-10b7-471f-af31-f20ce12b9ec1]';
-	$GLOBALS['ApiId'] = '[582e0a2033fadd1260f990f6]';
-	$GLOBALS['OrgUnitId'] = '[582be9deda52932a946c45c4]';
-
-	$_SESSION['TransactionId'] = uniqid();
-
-	$_SESSION['Order'] = array(
-		"OrderDetails" => array(
-			"OrderNumber" =>  'ORDER-' . strval(mt_rand(1000, 10000)),
-			"Amount" => '1500',
-			"CurrencyCode" => '840'
-			)
-	);
-
-	function generateJwt($orderTransactionId, $orderObj){
-
-		$currentTime = time();
-		$expireTime = 3600; // expiration in seconds - this equals 1hr
-
-		$token = (new Builder())->setIssuer($GLOBALS['ApiId']) // API Key Identifier (iss claim)
-					->setId($orderTransactionId, true) // The Transaction Id (jti claim)
-					->setIssuedAt($currentTime) // Configures the time that the token was issued (iat claim)
-					->setExpiration($currentTime + $expireTime) // Configures the expiration time of the token (exp claim)
-					->set('OrgUnitId', $GLOBALS['OrgUnitId']) // Configures a new claim, called "OrgUnitId"
-					->set('Payload', $_SESSION['Order']) // Configures a new claim, called "Payload", containing the OrderDetails
-					->set('ObjectifyPayload', true)
-					->sign(new Sha256(), $GLOBALS['ApiKey']) // Sign with API Key
-					->getToken(); // Retrieves the generated token
-
-		return $token; // The JWT String
-	}
-
-	echo generateJwt($_SESSION['TransactionId'], $_SESSION['Order']);
+<?php
+
+require 'JWT.php';
+
+$APIKEY = getenv("CARDINAL_API_KEY");
+$APIID = getenv("CARDINAL_API_ID");
+$ORGUNIT = getenv("CARDINAL_ORG_UNIT");
+
+function generateCardinalJwt($jwtId, $apiKeyId, $apiKey, $orgUnitId, $orderNumber)
+{
+	$currentTime = time();
+	$expireTime = 3600; // expiration in seconds - this equals 1hr
+
+	$orderDetails = array(
+		"OrderDetails" => array(
+			"OrderNumber" =>  $orderNumber
+		)
+	);
+
+	$token = array();
+	$token['jti'] = $jwtId;
+	$token['iss'] = $apiKeyId;  // API Key Identifier
+	$token['iat'] = $currentTime; // JWT Issued At Time
+	$token['exp'] = $currentTime + $expireTime; // JWT Expiration Time
+	$token['OrgUnitId'] = $orgUnitId; // Merchant's OrgUnit
+	$token['Payload'] = $orderDetails;
+	$token['ObjectifyPayload'] = true;
+
+	return JWT::encode($token, $apiKey, 'HS256');
+}
+
+$cardinalRequestJwt = generateCardinalJwt(
+		'MYJWT', $APIID, $APIKEY, $ORGUNIT, 'ORDER-' . strval(mt_rand(1000, 10000))
+	);
+
 ?>
diff --git a/index.php b/index.php
@@ -1,6 +1,7 @@
 <?php
 	session_start();
 	include 'getToken.php';
+	include 'generateCardinalJWT.php';
 	if ($response->messages->resultCode != "Ok") {
 			$_SESSION["cpid_error"]='true';
 			setcookie("cpid",'', time() -1, "/");
@@ -402,6 +403,9 @@ function onVisaCheckoutReady() {
 </head>
 
 <body style=" background: url('scripts/background.png'); padding-top: 50px;">
+
+	<input type='hidden' id='cardinalRequestJwt' value='<?php echo $cardinalRequestJwt; ?>'>
+
 	<div class="container-fluid" style="width: 100%; margin: 0; padding:0">
 
 		<div class="navbar navbar-inverse" role="navigation">
@@ -725,11 +729,11 @@ function onVisaCheckoutReady() {
 	});
 	$('#submitButton').click(function(e){
 		e.preventDefault();
-		acceptJSCaller();
+		//acceptJSCaller();
+		payerAuthCaller();
 	});
 	$('#submitPAButton').click(function(e){
 		e.preventDefault();
-		payerAuthCaller();
 	});
 	$('#applePayButton').click(function(e){
 		e.preventDefault();