implement proper jwt checking in authchecker

ref #12

src/errors/AuthError.ts

@@ -23,6 +23,17 @@ export class IllegalJWTError extends UnauthorizedError {
 	message = "your provided jwt could not be parsed"
 }
 
+/**
+ * Error to throw when user is nonexistant or refreshtoken is invalid
+ */
+export class UserNonexistantOrRefreshtokenInvalidError extends UnauthorizedError {
+	@IsString()
+	name = "UserNonexistantOrRefreshtokenInvalidError"
+
+	@IsString()
+	message = "user is nonexistant or refreshtoken is invalid"
+}
+
 /**
  * Error to throw when provided credentials are invalid
  */