Exemplo n.º 1
0
 public static void ContentCrc64Header(HttpRequestMessage request, string expectedValue)
 {
     Assert.IsFalse((expectedValue != null) && (HttpRequestParsers.GetContentCRC64(request) == null));
     if (HttpRequestParsers.GetContentCRC64(request) != null)
     {
         Assert.AreEqual(expectedValue, HttpRequestParsers.GetContentCRC64(request));
     }
 }
Exemplo n.º 2
0
        public async Task UseTransactionalCRC64PutTestAsync()
        {
            BlobRequestOptions optionsWithNoCRC64 = new BlobRequestOptions()
            {
                ChecksumOptions = new ChecksumOptions {
                    UseTransactionalCRC64 = false
                }
            };
            BlobRequestOptions optionsWithCRC64 = new BlobRequestOptions()
            {
                ChecksumOptions = new ChecksumOptions {
                    UseTransactionalCRC64 = true
                }
            };

            byte[]       buffer = GetRandomBuffer(1024);
            Crc64Wrapper hasher = new Crc64Wrapper();

            hasher.UpdateHash(buffer, 0, buffer.Length);
            string crc64 = hasher.ComputeHash();

            string           lastCheckCRC64          = null;
            int              checkCount              = 0;
            OperationContext opContextWithCRC64Check = new OperationContext();

            opContextWithCRC64Check.SendingRequest += (_, args) =>
            {
                if (HttpRequestParsers.GetContentLength(args.Request) >= buffer.Length)
                {
                    lastCheckCRC64 = HttpRequestParsers.GetContentCRC64(args.Request);
                    checkCount++;
                }
            };

            OperationContext opContextWithCRC64CheckAndInjectedFailure = new OperationContext();

            opContextWithCRC64CheckAndInjectedFailure.SendingRequest += (_, args) =>
            {
                args.Response.Headers.Remove(Constants.HeaderConstants.ContentCrc64Header);
                args.Request.Headers.TryAddWithoutValidation(Constants.HeaderConstants.ContentCrc64Header, "dummy");
                if (HttpRequestParsers.GetContentLength(args.Request) >= buffer.Length)
                {
                    lastCheckCRC64 = HttpRequestParsers.GetContentCRC64(args.Request);
                    checkCount++;
                }
            };

            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                await container.CreateAsync();

                CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
                List <string>  blockIds  = GetBlockIdList(3);
                checkCount = 0;
                using (Stream blockData = new MemoryStream(buffer))
                {
                    lastCheckCRC64 = "invalid_CRC64";
                    await blockBlob.PutBlockAsync(blockIds[0], blockData, null, null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.IsNull(lastCheckCRC64);

                    lastCheckCRC64 = "invalid_CRC64";
                    blockData.Seek(0, SeekOrigin.Begin);
                    await blockBlob.PutBlockAsync(blockIds[1], blockData, null, null, optionsWithCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);

                    blockData.Seek(0, SeekOrigin.Begin);
                    await TestHelper.ExpectedExceptionAsync <StorageException>(
                        () => blockBlob.PutBlockAsync(blockIds[1], blockData, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
                        "Calculated CRC64 does not match existing property"
                        );

                    lastCheckCRC64 = "invalid_CRC64";
                    blockData.Seek(0, SeekOrigin.Begin);
                    await blockBlob.PutBlockAsync(blockIds[2], blockData, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);
                }

                Assert.AreEqual(3, checkCount);

                checkCount = 0;
                CloudAppendBlob appendBlob = container.GetAppendBlobReference("blob2");
                await appendBlob.CreateOrReplaceAsync();

                checkCount = 0;
                using (Stream blockData = new MemoryStream(buffer))
                {
                    lastCheckCRC64 = "invalid_CRC64";
                    await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.IsNull(lastCheckCRC64);

                    lastCheckCRC64 = "invalid_CRC64";
                    blockData.Seek(0, SeekOrigin.Begin);
                    await appendBlob.AppendBlockAsync(blockData, null, null, optionsWithCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);

                    blockData.Seek(0, SeekOrigin.Begin);
                    await TestHelper.ExpectedExceptionAsync <StorageException>(
                        () => appendBlob.AppendBlockAsync(blockData, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
                        "Calculated CRC64 does not match existing property"
                        );

                    lastCheckCRC64 = "invalid_CRC64";
                    blockData.Seek(0, SeekOrigin.Begin);
                    await appendBlob.AppendBlockAsync(blockData, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);
                }

                Assert.AreEqual(3, checkCount);

                CloudPageBlob pageBlob = container.GetPageBlobReference("blob3");
                await pageBlob.CreateAsync(buffer.Length);

                checkCount = 0;
                using (Stream pageData = new MemoryStream(buffer))
                {
                    lastCheckCRC64 = "invalid_CRC64";
                    await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.IsNull(lastCheckCRC64);

                    lastCheckCRC64 = "invalid_CRC64";
                    pageData.Seek(0, SeekOrigin.Begin);
                    await pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);

                    pageData.Seek(0, SeekOrigin.Begin);
                    await TestHelper.ExpectedExceptionAsync <StorageException>(
                        () => pageBlob.WritePagesAsync(pageData, 0, null, null, optionsWithCRC64, opContextWithCRC64CheckAndInjectedFailure),
                        "Calculated CRC64 does not match existing property"
                        );

                    lastCheckCRC64 = "invalid_CRC64";
                    pageData.Seek(0, SeekOrigin.Begin);
                    await pageBlob.WritePagesAsync(pageData, 0, new Checksum(crc64 : crc64), null, optionsWithNoCRC64, opContextWithCRC64Check);

                    Assert.AreEqual(crc64, lastCheckCRC64);
                }

                Assert.AreEqual(3, checkCount);

                lastCheckCRC64 = null;
                blockBlob      = container.GetBlockBlobReference("blob4");
                checkCount     = 0;
                using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithCRC64, opContextWithCRC64Check))
                {
                    blobStream.Write(buffer, 0, buffer.Length);
                    blobStream.Write(buffer, 0, buffer.Length);
                }
                Assert.IsNotNull(lastCheckCRC64);
                Assert.AreEqual(1, checkCount);

                lastCheckCRC64 = "invalid_CRC64";
                blockBlob      = container.GetBlockBlobReference("blob5");
                checkCount     = 0;
                using (Stream blobStream = await blockBlob.OpenWriteAsync(null, optionsWithNoCRC64, opContextWithCRC64Check))
                {
                    blobStream.Write(buffer, 0, buffer.Length);
                    blobStream.Write(buffer, 0, buffer.Length);
                }
                Assert.IsNull(lastCheckCRC64);
                Assert.AreEqual(1, checkCount);

                lastCheckCRC64 = null;
                pageBlob       = container.GetPageBlobReference("blob6");
                checkCount     = 0;
                using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithCRC64, opContextWithCRC64Check))
                {
                    blobStream.Write(buffer, 0, buffer.Length);
                    blobStream.Write(buffer, 0, buffer.Length);
                }
                Assert.IsNotNull(lastCheckCRC64);
                Assert.AreEqual(1, checkCount);

                lastCheckCRC64 = "invalid_CRC64";
                pageBlob       = container.GetPageBlobReference("blob7");
                checkCount     = 0;
                using (Stream blobStream = await pageBlob.OpenWriteAsync(buffer.Length * 3, null, optionsWithNoCRC64, opContextWithCRC64Check))
                {
                    blobStream.Write(buffer, 0, buffer.Length);
                    blobStream.Write(buffer, 0, buffer.Length);
                }
                Assert.IsNull(lastCheckCRC64);
                Assert.AreEqual(1, checkCount);
            }
            finally
            {
                await container.DeleteIfExistsAsync();
            }
        }