From 124df6bad3880aace5d9515f0d8e768ee10d4e2f Mon Sep 17 00:00:00 2001
From: Moe Jangda <moe@tbd.email>
Date: Sun, 12 May 2024 21:08:16 -0500
Subject: [PATCH] allow custom `typ` to be provided

---
 packages/web5/lib/src/jwt/jwt.dart   |  3 ++-
 packages/web5/test/jwt/jwt_test.dart | 19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/packages/web5/lib/src/jwt/jwt.dart b/packages/web5/lib/src/jwt/jwt.dart
index 58a1e95..aaf6ceb 100644
--- a/packages/web5/lib/src/jwt/jwt.dart
+++ b/packages/web5/lib/src/jwt/jwt.dart
@@ -36,8 +36,9 @@ class Jwt {
   static Future<String> sign({
     required BearerDid did,
     required JwtClaims payload,
+    String? type = 'JWT',
   }) async {
-    final header = JwtHeader(typ: 'JWT');
+    final header = JwtHeader(typ: type);
     final payloadBytes = json.toBytes(payload.toJson());
 
     return Jws.sign(did: did, payload: payloadBytes, header: header);
diff --git a/packages/web5/test/jwt/jwt_test.dart b/packages/web5/test/jwt/jwt_test.dart
index 95ed241..2ed66ac 100644
--- a/packages/web5/test/jwt/jwt_test.dart
+++ b/packages/web5/test/jwt/jwt_test.dart
@@ -6,14 +6,29 @@ void main() {
     test('should decode signed JWT', () async {
       final did = await DidJwk.create();
 
-      final signedJwt =
-          await Jwt.sign(did: did, payload: JwtClaims(iss: did.uri));
+      final signedJwt = await Jwt.sign(
+        did: did,
+        payload: JwtClaims(iss: did.uri),
+      );
 
       final parsedJwt = Jwt.decode(signedJwt);
       expect(parsedJwt.header.kid, contains('${did.uri}#'));
       expect(parsedJwt.claims.iss, equals(did.uri));
     });
 
+    test('should allow for custom typ', () async {
+      final did = await DidJwk.create();
+
+      final signedJwt = await Jwt.sign(
+        did: did,
+        payload: JwtClaims(iss: did.uri),
+        type: 'custom',
+      );
+
+      final parsedJwt = Jwt.decode(signedJwt);
+      expect(parsedJwt.header.typ, equals('custom'));
+    });
+
     test('should verify JWT signed by did:jwk', () async {
       final did = await DidJwk.create();