private static async Task <IListBlobEntry> ParseBlobEntryAsync(XmlReader reader, Uri baseUri, CancellationToken token)
{
token.ThrowIfCancellationRequested();
BlobAttributes blob = new BlobAttributes();
string name = null;
// copy blob attribute strings
string copyId = null;
string copyStatus = null;
string copyCompletionTime = null;
string copyProgress = null;
string copySource = null;
string copyStatusDescription = null;
string copyDestinationSnapshotTime = null;
string blobTierString = null;
bool? blobTierInferred = null;
string rehydrationStatusString = null;
DateTimeOffset?blobTierLastModifiedTime = null;
await reader.ReadStartElementAsync().ConfigureAwait(false);
while (await reader.IsStartElementAsync().ConfigureAwait(false))
{
token.ThrowIfCancellationRequested();
if (reader.IsEmptyElement)
{
await reader.SkipAsync().ConfigureAwait(false);
}
else
{
switch (reader.Name)
{
case Constants.NameElement:
name = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.SnapshotElement:
blob.SnapshotTime = (await reader.ReadElementContentAsStringAsync().ConfigureAwait(false)).ToUTCTime();
break;
case Constants.DeletedElement:
blob.IsDeleted = BlobHttpResponseParsers.GetDeletionStatus(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.PropertiesElement:
await reader.ReadStartElementAsync().ConfigureAwait(false);
while (await reader.IsStartElementAsync().ConfigureAwait(false))
{
token.ThrowIfCancellationRequested();
if (reader.IsEmptyElement)
{
await reader.SkipAsync().ConfigureAwait(false);
}
else
{
switch (reader.Name)
{
case Constants.CreationTimeElement:
blob.Properties.Created = (await reader.ReadElementContentAsStringAsync().ConfigureAwait(false)).ToUTCTime();
break;
case Constants.LastModifiedElement:
blob.Properties.LastModified = (await reader.ReadElementContentAsStringAsync().ConfigureAwait(false)).ToUTCTime();
break;
case Constants.EtagElement:
blob.Properties.ETag = string.Format(CultureInfo.InvariantCulture, "\"{0}\"", await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.ContentLengthElement:
blob.Properties.Length = await reader.ReadElementContentAsInt64Async().ConfigureAwait(false);
break;
case Constants.CacheControlElement:
blob.Properties.CacheControl = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContentTypeElement:
blob.Properties.ContentType = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.HeaderConstants.ContentDispositionResponseHeader:
blob.Properties.ContentDisposition = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContentEncodingElement:
blob.Properties.ContentEncoding = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContentLanguageElement:
blob.Properties.ContentLanguage = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContentMD5Element:
blob.Properties.ContentMD5 = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.BlobTypeElement:
string blobTypeString = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
switch (blobTypeString)
{
case Constants.BlockBlobValue:
blob.Properties.BlobType = BlobType.BlockBlob;
break;
case Constants.PageBlobValue:
blob.Properties.BlobType = BlobType.PageBlob;
break;
case Constants.AppendBlobValue:
blob.Properties.BlobType = BlobType.AppendBlob;
break;
}
break;
case Constants.LeaseStatusElement:
blob.Properties.LeaseStatus = BlobHttpResponseParsers.GetLeaseStatus(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.LeaseStateElement:
blob.Properties.LeaseState = BlobHttpResponseParsers.GetLeaseState(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.LeaseDurationElement:
blob.Properties.LeaseDuration = BlobHttpResponseParsers.GetLeaseDuration(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.CopyIdElement:
copyId = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.CopyCompletionTimeElement:
copyCompletionTime = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.CopyStatusElement:
copyStatus = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.CopyProgressElement:
copyProgress = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.CopySourceElement:
copySource = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.CopyStatusDescriptionElement:
copyStatusDescription = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ServerEncryptionElement:
blob.Properties.IsServerEncrypted = BlobHttpResponseParsers.GetServerEncrypted(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.IncrementalCopy:
blob.Properties.IsIncrementalCopy = BlobHttpResponseParsers.GetIncrementalCopyStatus(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
case Constants.CopyDestinationSnapshotElement:
copyDestinationSnapshotTime = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.AccessTierElement:
blobTierString = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ArchiveStatusElement:
rehydrationStatusString = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.AccessTierInferred:
blobTierInferred = await reader.ReadElementContentAsBooleanAsync().ConfigureAwait(false);
break;
case Constants.AccessTierChangeTimeElement:
string t = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
blobTierLastModifiedTime = DateTimeOffset.Parse(t, CultureInfo.InvariantCulture);
break;
case Constants.DeletedTimeElement:
blob.Properties.DeletedTime = (await reader.ReadElementContentAsStringAsync().ConfigureAwait(false)).ToUTCTime();
break;
case Constants.RemainingRetentionDaysElement:
blob.Properties.RemainingDaysBeforePermanentDelete = int.Parse(await reader.ReadElementContentAsStringAsync().ConfigureAwait(false));
break;
default:
await reader.SkipAsync().ConfigureAwait(false);
break;
}
}
}
await reader.ReadEndElementAsync().ConfigureAwait(false);
break;
case Constants.MetadataElement:
blob.Metadata = await Response.ParseMetadataAsync(reader).ConfigureAwait(false);
break;
default:
await reader.SkipAsync().ConfigureAwait(false);
break;
}
}
}
await reader.ReadEndElementAsync().ConfigureAwait(false);
Uri uri = NavigationHelper.AppendPathToSingleUri(baseUri, name);
if (blob.SnapshotTime.HasValue)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add("snapshot", Request.ConvertDateTimeToSnapshotString(blob.SnapshotTime.Value));
uri = builder.AddToUri(uri);
}
blob.StorageUri = new StorageUri(uri);
if (!string.IsNullOrEmpty(copyStatus))
{
blob.CopyState = BlobHttpResponseParsers.GetCopyAttributes(
copyStatus,
copyId,
copySource,
copyProgress,
copyCompletionTime,
copyStatusDescription,
copyDestinationSnapshotTime);
}
if (!string.IsNullOrEmpty(blobTierString))
{
StandardBlobTier? standardBlobTier;
PremiumPageBlobTier?premiumPageBlobTier;
BlobHttpResponseParsers.GetBlobTier(blob.Properties.BlobType, blobTierString, out standardBlobTier, out premiumPageBlobTier);
blob.Properties.StandardBlobTier = standardBlobTier;
blob.Properties.PremiumPageBlobTier = premiumPageBlobTier;
}
blob.Properties.RehydrationStatus = BlobHttpResponseParsers.GetRehydrationStatus(rehydrationStatusString);
blob.Properties.BlobTierLastModifiedTime = blobTierLastModifiedTime;
blob.Properties.BlobTierInferred = blobTierInferred;
return(new ListBlobEntry(name, blob));
}
/// <summary>
/// Gets the blob's properties from the response.
/// </summary>
/// <param name="response">The web response.</param>
/// <returns>The blob's properties.</returns>
public static BlobProperties GetProperties(HttpWebResponse response)
{
CommonUtility.AssertNotNull("response", response);
BlobProperties properties = new BlobProperties();
properties.ETag = HttpResponseParsers.GetETag(response);
#if WINDOWS_PHONE
properties.Created = HttpResponseParsers.GetCreated(response);
properties.LastModified = HttpResponseParsers.GetLastModified(response);
properties.ContentLanguage = response.Headers[Constants.HeaderConstants.ContentLanguageHeader];
#else
string created = response.Headers[Constants.HeaderConstants.CreationTimeHeader];
properties.Created = string.IsNullOrEmpty(created) ? (DateTimeOffset?)null : DateTimeOffset.Parse(created).ToUniversalTime();
properties.LastModified = response.LastModified.ToUniversalTime();
properties.ContentLanguage = response.Headers[HttpResponseHeader.ContentLanguage];
#endif
properties.ContentDisposition = response.Headers[Constants.HeaderConstants.ContentDispositionResponseHeader];
properties.ContentEncoding = response.Headers[HttpResponseHeader.ContentEncoding];
// For range gets, only look at 'x-ms-blob-content-md5' for overall MD5
if (response.Headers[HttpResponseHeader.ContentRange] != null)
{
properties.ContentMD5 = response.Headers[Constants.HeaderConstants.BlobContentMD5Header];
}
else
{
properties.ContentMD5 = response.Headers[HttpResponseHeader.ContentMd5];
}
properties.ContentType = response.Headers[HttpResponseHeader.ContentType];
properties.CacheControl = response.Headers[HttpResponseHeader.CacheControl];
string blobEncryption = response.Headers[Constants.HeaderConstants.ServerEncrypted];
properties.IsServerEncrypted = string.Equals(blobEncryption, Constants.HeaderConstants.TrueHeader, StringComparison.OrdinalIgnoreCase);
string incrementalCopy = response.Headers[Constants.HeaderConstants.IncrementalCopyHeader];
properties.IsIncrementalCopy = string.Equals(incrementalCopy, Constants.HeaderConstants.TrueHeader, StringComparison.OrdinalIgnoreCase);
// Get blob type
string blobType = response.Headers[Constants.HeaderConstants.BlobType];
if (!string.IsNullOrEmpty(blobType))
{
properties.BlobType = (BlobType)Enum.Parse(typeof(BlobType), blobType, true);
}
// Get lease properties
properties.LeaseStatus = GetLeaseStatus(response);
properties.LeaseState = GetLeaseState(response);
properties.LeaseDuration = GetLeaseDuration(response);
// Get the content length. Prioritize range and x-ms over content length for the special cases.
string rangeHeader = response.Headers[HttpResponseHeader.ContentRange];
string contentLengthHeader = response.Headers[Constants.HeaderConstants.ContentLengthHeader];
string blobContentLengthHeader = response.Headers[Constants.HeaderConstants.BlobContentLengthHeader];
if (!string.IsNullOrEmpty(rangeHeader))
{
properties.Length = long.Parse(rangeHeader.Split('/')[1], CultureInfo.InvariantCulture);
}
else if (!string.IsNullOrEmpty(blobContentLengthHeader))
{
properties.Length = long.Parse(blobContentLengthHeader, CultureInfo.InvariantCulture);
}
else if (!string.IsNullOrEmpty(contentLengthHeader))
{
// On Windows Phone, ContentLength property is not always same as Content-Length header,
// so we try to parse the header first.
properties.Length = long.Parse(contentLengthHeader, CultureInfo.InvariantCulture);
}
else
{
properties.Length = response.ContentLength;
}
// Get sequence number
string sequenceNumber = response.Headers[Constants.HeaderConstants.BlobSequenceNumber];
if (!string.IsNullOrEmpty(sequenceNumber))
{
properties.PageBlobSequenceNumber = long.Parse(sequenceNumber, CultureInfo.InvariantCulture);
}
// Get committed block count
string comittedBlockCount = response.Headers[Constants.HeaderConstants.BlobCommittedBlockCount];
if (!string.IsNullOrEmpty(comittedBlockCount))
{
properties.AppendBlobCommittedBlockCount = int.Parse(comittedBlockCount, CultureInfo.InvariantCulture);
}
// Get the tier of the blob
string premiumPageBlobTierInferredString = response.Headers[Constants.HeaderConstants.AccessTierInferredHeader];
if (!string.IsNullOrEmpty(premiumPageBlobTierInferredString))
{
properties.BlobTierInferred = Convert.ToBoolean(premiumPageBlobTierInferredString);
}
string blobTierString = response.Headers[Constants.HeaderConstants.AccessTierHeader];
StandardBlobTier? standardBlobTier;
PremiumPageBlobTier?premiumPageBlobTier;
BlobHttpResponseParsers.GetBlobTier(properties.BlobType, blobTierString, out standardBlobTier, out premiumPageBlobTier);
properties.StandardBlobTier = standardBlobTier;
properties.PremiumPageBlobTier = premiumPageBlobTier;
if ((properties.PremiumPageBlobTier.HasValue || properties.StandardBlobTier.HasValue) && !properties.BlobTierInferred.HasValue)
{
properties.BlobTierInferred = false;
}
// Get the rehydration status
string rehydrationStatusString = response.Headers[Constants.HeaderConstants.ArchiveStatusHeader];
properties.RehydrationStatus = BlobHttpResponseParsers.GetRehydrationStatus(rehydrationStatusString);
// Get the time the tier of the blob was last modified
string accessTierChangeTimeString = response.Headers[Constants.HeaderConstants.AccessTierChangeTimeHeader];
if (!string.IsNullOrEmpty(accessTierChangeTimeString))
{
properties.BlobTierLastModifiedTime = DateTimeOffset.Parse(accessTierChangeTimeString, CultureInfo.InvariantCulture);
}
return(properties);
}
private IListBlobEntry ParseBlobEntry(Uri baseUri)
{
BlobAttributes blob = new BlobAttributes();
string name = null;
// copy blob attribute strings
string copyId = null;
string copyStatus = null;
string copyCompletionTime = null;
string copyProgress = null;
string copySource = null;
string copyStatusDescription = null;
string copyDestinationSnapshotTime = null;
string blobTierString = null;
string rehydrationStatusString = null;
this.reader.ReadStartElement();
while (this.reader.IsStartElement())
{
if (this.reader.IsEmptyElement)
{
this.reader.Skip();
}
else
{
switch (this.reader.Name)
{
case Constants.NameElement:
name = reader.ReadElementContentAsString();
break;
case Constants.SnapshotElement:
blob.SnapshotTime = reader.ReadElementContentAsString().ToUTCTime();
break;
case Constants.PropertiesElement:
this.reader.ReadStartElement();
while (this.reader.IsStartElement())
{
if (this.reader.IsEmptyElement)
{
this.reader.Skip();
}
else
{
switch (this.reader.Name)
{
case Constants.LastModifiedElement:
blob.Properties.LastModified = reader.ReadElementContentAsString().ToUTCTime();
break;
case Constants.EtagElement:
blob.Properties.ETag = string.Format(CultureInfo.InvariantCulture, "\"{0}\"", reader.ReadElementContentAsString());
break;
case Constants.ContentLengthElement:
blob.Properties.Length = reader.ReadElementContentAsLong();
break;
case Constants.CacheControlElement:
blob.Properties.CacheControl = reader.ReadElementContentAsString();
break;
case Constants.ContentTypeElement:
blob.Properties.ContentType = reader.ReadElementContentAsString();
break;
case Constants.HeaderConstants.ContentDispositionResponseHeader:
blob.Properties.ContentDisposition = reader.ReadElementContentAsString();
break;
case Constants.ContentEncodingElement:
blob.Properties.ContentEncoding = reader.ReadElementContentAsString();
break;
case Constants.ContentLanguageElement:
blob.Properties.ContentLanguage = reader.ReadElementContentAsString();
break;
case Constants.ContentMD5Element:
blob.Properties.ContentMD5 = reader.ReadElementContentAsString();
break;
case Constants.BlobTypeElement:
string blobTypeString = reader.ReadElementContentAsString();
switch (blobTypeString)
{
case Constants.BlockBlobValue:
blob.Properties.BlobType = BlobType.BlockBlob;
break;
case Constants.PageBlobValue:
blob.Properties.BlobType = BlobType.PageBlob;
break;
case Constants.AppendBlobValue:
blob.Properties.BlobType = BlobType.AppendBlob;
break;
}
break;
case Constants.LeaseStatusElement:
blob.Properties.LeaseStatus = BlobHttpResponseParsers.GetLeaseStatus(reader.ReadElementContentAsString());
break;
case Constants.LeaseStateElement:
blob.Properties.LeaseState = BlobHttpResponseParsers.GetLeaseState(reader.ReadElementContentAsString());
break;
case Constants.LeaseDurationElement:
blob.Properties.LeaseDuration = BlobHttpResponseParsers.GetLeaseDuration(reader.ReadElementContentAsString());
break;
case Constants.CopyIdElement:
copyId = reader.ReadElementContentAsString();
break;
case Constants.CopyCompletionTimeElement:
copyCompletionTime = reader.ReadElementContentAsString();
break;
case Constants.CopyStatusElement:
copyStatus = reader.ReadElementContentAsString();
break;
case Constants.CopyProgressElement:
copyProgress = reader.ReadElementContentAsString();
break;
case Constants.CopySourceElement:
copySource = reader.ReadElementContentAsString();
break;
case Constants.CopyStatusDescriptionElement:
copyStatusDescription = reader.ReadElementContentAsString();
break;
case Constants.ServerEncryptionElement:
blob.Properties.IsServerEncrypted = BlobHttpResponseParsers.GetServerEncrypted(reader.ReadElementContentAsString());
break;
case Constants.IncrementalCopy:
blob.Properties.IsIncrementalCopy = BlobHttpResponseParsers.GetIncrementalCopyStatus(reader.ReadElementContentAsString());
break;
case Constants.CopyDestinationSnapshotElement:
copyDestinationSnapshotTime = reader.ReadElementContentAsString();
break;
case Constants.AccessTierElement:
blobTierString = reader.ReadElementContentAsString();
break;
case Constants.ArchiveStatusElement:
rehydrationStatusString = reader.ReadElementContentAsString();
break;
default:
reader.Skip();
break;
}
}
}
this.reader.ReadEndElement();
break;
case Constants.MetadataElement:
blob.Metadata = Response.ParseMetadata(this.reader);
break;
default:
this.reader.Skip();
break;
}
}
}
this.reader.ReadEndElement();
Uri uri = NavigationHelper.AppendPathToSingleUri(baseUri, name);
if (blob.SnapshotTime.HasValue)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add("snapshot", Request.ConvertDateTimeToSnapshotString(blob.SnapshotTime.Value));
uri = builder.AddToUri(uri);
}
blob.StorageUri = new StorageUri(uri);
if (!string.IsNullOrEmpty(copyStatus))
{
blob.CopyState = BlobHttpResponseParsers.GetCopyAttributes(
copyStatus,
copyId,
copySource,
copyProgress,
copyCompletionTime,
copyStatusDescription,
copyDestinationSnapshotTime);
}
if (!string.IsNullOrEmpty(blobTierString))
{
StandardBlobTier? standardBlobTier;
PremiumPageBlobTier?premiumPageBlobTier;
BlobHttpResponseParsers.GetBlobTier(blob.Properties.BlobType, blobTierString, out standardBlobTier, out premiumPageBlobTier);
blob.Properties.StandardBlobTier = standardBlobTier;
blob.Properties.PremiumPageBlobTier = premiumPageBlobTier;
blob.Properties.BlobTierInferred = false;
}
blob.Properties.RehydrationStatus = BlobHttpResponseParsers.GetRehydrationStatus(rehydrationStatusString);
return(new ListBlobEntry(name, blob));
}
