Aliyun.OSS.Test.TestClass.ObjectTestClass.ObjectSignedUriTest.GetPreSignedUriWithContentTypeAndMd5NegativeTest C# (CSharp) Метод

        public void GetPreSignedUriWithContentTypeAndMd5NegativeTest()
        {
            HttpWebRequest req = null;
            HttpWebResponse res = null;

            var now = DateTime.Now;
            //set expiration time to 5 seconds later
            var expireDate = now.AddSeconds(5);
            var gpuRequest = new GeneratePresignedUriRequest(_bucketName, _objectKey);
            gpuRequest.Expiration = expireDate;
            //do not set content type
            //gpuRequest.ContentType = "application/zip";
            gpuRequest.ContentMd5 = _objectETag;
            var uri = _ossClient.GeneratePresignedUri(gpuRequest);

            try
            {
                req = WebRequest.Create(uri) as HttpWebRequest;
                req.Method = "GET";
                req.ContentType = "application/zip";
                req.Headers.Add(HttpRequestHeader.ContentMd5, _objectETag);
                res = req.GetResponse() as HttpWebResponse;
                Assert.Fail("response fail for expired URI");
            }
            catch (WebException e)
            {
                Assert.IsTrue(e.Message.Contains("403"),
                    string.Format("Unexpected exception: {0}", e.Message));
            }
            finally
            {
                if (req != null) req.Abort();
                if (res != null) res.Close();
            }
        }