/// <summary> /// Gets the error details from an XML-formatted error stream. /// </summary> /// <param name="inputStream">The input stream.</param> /// <returns>The error details.</returns> public static async Task <StorageExtendedErrorInformation> ReadFromStreamAsync(Stream inputStream) { CommonUtility.AssertNotNull("inputStream", inputStream); if (inputStream.CanSeek && inputStream.Length < 1) { return(null); } StorageExtendedErrorInformation extendedErrorInfo = new StorageExtendedErrorInformation(); try { using (XmlReader reader = XMLReaderExtensions.CreateAsAsync(inputStream)) { await reader.ReadAsync().ConfigureAwait(false); await extendedErrorInfo.ReadXmlAsync(reader, CancellationToken.None).ConfigureAwait(false); } return(extendedErrorInfo); } catch (XmlException) { // If there is a parsing error we cannot return extended error information return(null); } }
/// <summary> /// Gets the error details from an XML-formatted error stream. /// </summary> /// <param name="inputStream">The input stream.</param> /// <returns>The error details.</returns> public static async Task <StorageExtendedErrorInformation> ReadFromStreamAsync(Stream inputStream, CancellationToken cancellationToken) { CommonUtility.AssertNotNull("inputStream", inputStream); if (inputStream.CanSeek && inputStream.Length < 1) { return(null); } StorageExtendedErrorInformation extendedErrorInfo = new StorageExtendedErrorInformation(); try { using (XmlReader reader = XmlReader.Create(inputStream, new XmlReaderSettings { Async = true })) { await reader.ReadAsync().ConfigureAwait(false); cancellationToken.ThrowIfCancellationRequested(); await extendedErrorInfo.ReadXmlAsync(reader, cancellationToken).ConfigureAwait(false); cancellationToken.ThrowIfCancellationRequested(); } return(extendedErrorInfo); } catch (XmlException) { // If there is a parsing error we cannot return extended error information return(null); } }
public async Task ExtendedErrorInfoVerifyXmlWithAdditionalDetails() { Uri baseAddressUri = new Uri(TestBase.TargetTenantConfig.BlobServiceEndpoint); CloudBlobClient client = new CloudBlobClient(baseAddressUri, TestBase.StorageCredentials); CloudBlobContainer container = client.GetContainerReference(Guid.NewGuid().ToString("N")); byte[] buffer = TestBase.GetRandomBuffer(4 * 1024 * 1024); MD5 md5 = MD5.Create(); string contentMD5 = Convert.ToBase64String(md5.ComputeHash(buffer)); try { container.Create(); CloudBlockBlob blob = container.GetBlockBlobReference("blob1"); List <string> blocks = new List <string>(); for (int i = 0; i < 2; i++) { blocks.Add(Convert.ToBase64String(Guid.NewGuid().ToByteArray())); } using (MemoryStream memoryStream = new MemoryStream(buffer)) { memoryStream.Seek(0, SeekOrigin.Begin); blob.PutBlock(blocks[0], memoryStream, contentMD5); int offset = buffer.Length - 1024; memoryStream.Seek(offset, SeekOrigin.Begin); StorageException e = TestHelper.ExpectedException <StorageException>( () => blob.PutBlock(blocks[1], memoryStream, contentMD5), "Invalid MD5 should fail with mismatch"); Assert.IsNotNull(e.RequestInformation.ExtendedErrorInformation); StorageExtendedErrorInformation retrErrorInfo = new StorageExtendedErrorInformation(); XmlWriterSettings settings = new XmlWriterSettings(); settings.Indent = true; StringBuilder sb = new StringBuilder(); using (XmlWriter writer = XmlWriter.Create(sb, settings)) { e.RequestInformation.ExtendedErrorInformation.WriteXml(writer); } using (XmlReader reader = XMLReaderExtensions.CreateAsAsync(new MemoryStream(Encoding.Unicode.GetBytes(sb.ToString())))) { await retrErrorInfo.ReadXmlAsync(reader, CancellationToken.None); } Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.ErrorCode, retrErrorInfo.ErrorCode); Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.ErrorMessage, retrErrorInfo.ErrorMessage); Assert.AreNotEqual(0, retrErrorInfo.AdditionalDetails.Count); Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.AdditionalDetails.Count, retrErrorInfo.AdditionalDetails.Count); } } finally { container.DeleteIfExists(); } }
public async Task ExtendedErrorInfoVerifyXml() { Uri baseAddressUri = new Uri(TestBase.TargetTenantConfig.BlobServiceEndpoint); CloudBlobClient client = new CloudBlobClient(baseAddressUri, TestBase.StorageCredentials); CloudBlobContainer container = client.GetContainerReference(Guid.NewGuid().ToString("N")); try { StorageException e = TestHelper.ExpectedException <StorageException>( () => container.GetPermissions(), "Try to get permissions on a non-existent container"); Assert.IsNotNull(e.RequestInformation.ExtendedErrorInformation); StorageExtendedErrorInformation retrErrorInfo = new StorageExtendedErrorInformation(); XmlWriterSettings settings = new XmlWriterSettings(); settings.Indent = true; StringBuilder sb = new StringBuilder(); using (XmlWriter writer = XmlWriter.Create(sb, settings)) { e.RequestInformation.ExtendedErrorInformation.WriteXml(writer); } using (XmlReader reader = XMLReaderExtensions.CreateAsAsync(new MemoryStream(Encoding.Unicode.GetBytes(sb.ToString())))) { await retrErrorInfo.ReadXmlAsync(reader, CancellationToken.None); } Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.ErrorCode, retrErrorInfo.ErrorCode); Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.ErrorMessage, retrErrorInfo.ErrorMessage); } finally { container.DeleteIfExists(); } }