v1.5.0

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.5.0
+
+- Debuging `_TypeError issue on sign method` (#4)
+- Implementing `toString` in the `JWTError` class
+
 ## 1.4.1
 
 - Formating for 'static analysis'

lib/src/errors.dart

@@ -2,9 +2,12 @@ class JWTError extends Error {
   JWTError(this.message);
 
   final String message;
+
+  @override
+  String toString() => 'JWTError: $message';
 }
 
-/// An error thrown when toke is invalid
+/// An error thrown when token is invalid
 class JWTInvalidError extends JWTError {
   JWTInvalidError(String message) : super(message);
 }

lib/src/jwt.dart

@@ -165,7 +165,10 @@ class JWT {
   }) {
     final header = {'alg': algorithm.name, 'typ': 'JWT'};
 
-    if (payload is Map) {
+    if (payload is Map<String, dynamic>) {
+      payload = Map<String, dynamic>.from(payload);
+
+      try {
         if (!noIssueAt) payload['iat'] = secondsSinceEpoch(DateTime.now());
         if (expiresIn != null) {
           payload['exp'] = secondsSinceEpoch(DateTime.now().add(expiresIn));
@@ -177,14 +180,22 @@ class JWT {
         if (subject != null) payload['sub'] = subject;
         if (issuer != null) payload['iss'] = issuer;
         if (jwtId != null) payload['jti'] = jwtId;
+      } catch (ex) {}
     }
 
     final b64Header = base64Unpadded(jsonBase64.encode(header));
-    final b64Payload = base64Unpadded(
+
+    String b64Payload;
+    try {
+      b64Payload = base64Unpadded(
         payload is String
             ? base64.encode(utf8.encode(payload))
             : jsonBase64.encode(payload),
       );
+    } catch (ex) {
+      throw JWTError(
+          'invalid payload json format (Map keys must be String type)');
+    }
 
     final body = '${b64Header}.${b64Payload}';
     final signature = base64Unpadded(

pubspec.yaml

@@ -1,6 +1,6 @@
 name: dart_jsonwebtoken
 description: A dart implementation of the famous javascript library 'jsonwebtoken' (JWT).
-version: 1.4.1
+version: 1.5.0
 repository: https://github.com/jonasroussel/jsonwebtoken
 homepage: https://github.com/jonasroussel/jsonwebtoken#readme