Merge pull request #141 from hasinthaindrajee/master

Use Base64Url encoding instead of Base64 encoding for jwts

components/api/idp/tokens.bal

@@ -109,7 +109,7 @@ public function extractSubject(string jwt) returns error | string{
  log:printDebug("Decoding jwt token body :" + jwt);
  string[] split_string = jwt.split("\\."); // Split the string
  string base64EncodedBody = split_string[1]; // Payload part
- byte[] bodyBytes = check encoding:decodeBase64(base64EncodedBody);
+ byte[] bodyBytes = check encoding:decodeBase64Url(base64EncodedBody);
  string body = encoding:byteArrayToString(bodyBytes, encoding = "utf-8");
  log:printDebug("Decoded jwt token body :" + body);
  io:StringReader sr = new(body, encoding = "UTF-8");