Add otp validation + handle key error for add product

ucloud-pay.py

@@ -53,8 +53,12 @@ class AddProduct(Resource):
     def post():
         data = request.json
         logging.debug("Got data: {}".format(str(data)))
-        # TODO: Add validation
+        otp_response = check_otp(data["name"], data["realm"],
+                                 data["token"])
+        if otp_response != 200:
+            return {"message": "Wrong Credentials"}, 403
 
+        try:
             product_key = "/v1/products/"
             product_value = {
                 "name": data["product_name"],
@@ -69,6 +73,10 @@ class AddProduct(Resource):
             client.put(product_key, product_value, value_in_json=True)
             return {"message":
                         "Product {} created".format(data['product_name'])}, 200
+        except KeyError as ke:
+            logging.error("KeyError occurred. details = {}".format(str(ke)))
+            return {"message":
+                        "Missing or wrong parameters"}, 400
 
 
 class UserRegisterPayment(Resource):