addresses #363 - temporary fix, but this will require more thought later, as custom headers require a subclass

1 files changed, 12 insertions, 1 deletions

diff --git a/src/OAuth2/Encryption/Jwt.php b/src/OAuth2/Encryption/Jwt.php
index 5abd533..98b1a90 100644
--- a/src/OAuth2/Encryption/Jwt.php
+++ b/src/OAuth2/Encryption/Jwt.php
@@ -10,7 +10,7 @@ class Jwt implements EncryptionInterface
 {
     public function encode($payload, $key, $algo = 'HS256')
     {
-        $header = array('typ' => 'JWT', 'alg' => $algo);
+        $header = $this->generateJwtHeader($payload, $algo);
 
         $segments = array(
             $this->urlSafeB64Encode(json_encode($header)),
@@ -138,4 +138,15 @@ class Jwt implements EncryptionInterface
 
         return base64_decode($b64);
     }
+
+    /**
+     * Override to create a custom header
+     */
+    protected function generateJwtHeader($payload, $algorithm)
+    {
+        return array(
+            'typ' => 'JWT',
+            'alg' => $algorithm,
+        );
+    }
 }