/// <summary>
/// Gets the blob's attributes, including its metadata and properties, from the response.
/// </summary>
/// <param name="response"> The web response. </param>
/// <returns> The blob's attributes. </returns>
public static BlobAttributes GetAttributes(HttpWebResponse response)
{
var attributes = new BlobAttributes();
var properties = attributes.Properties = new BlobProperties();
properties.CacheControl = response.Headers[HttpResponseHeader.CacheControl];
properties.ContentEncoding = response.Headers[HttpResponseHeader.ContentEncoding];
properties.ContentLanguage = response.Headers[HttpResponseHeader.ContentLanguage];
properties.ContentMD5 = response.Headers[HttpResponseHeader.ContentMd5];
properties.ContentType = response.Headers[HttpResponseHeader.ContentType];
properties.ETag = response.Headers[HttpResponseHeader.ETag];
properties.LastModifiedUtc = response.LastModified.ToUniversalTime();
var blobType = response.Headers[Constants.HeaderConstants.BlobType];
var leaseStatus = response.Headers[Constants.HeaderConstants.LeaseStatus];
if (!string.IsNullOrEmpty(blobType))
{
properties.BlobType = (BlobType)Enum.Parse(typeof(BlobType), blobType, true);
}
if (!string.IsNullOrEmpty(leaseStatus))
{
properties.LeaseStatus = (LeaseStatus)Enum.Parse(typeof(LeaseStatus), leaseStatus, true);
}
// Get the content length. Prioritize range and x-ms over content length for the special cases.
var rangeHeader = response.Headers[HttpResponseHeader.ContentRange];
var xContentLengthHeader = response.Headers[Constants.HeaderConstants.ContentLengthHeader];
if (!string.IsNullOrEmpty(rangeHeader))
{
properties.Length = long.Parse(rangeHeader.Split('/')[1]);
}
else if (!string.IsNullOrEmpty(xContentLengthHeader))
{
properties.Length = long.Parse(xContentLengthHeader);
}
else
{
properties.Length = response.ContentLength;
}
attributes.Uri = new Uri(response.ResponseUri.GetLeftPart(UriPartial.Path));
var queryParameters = HttpUtility.ParseQueryString(response.ResponseUri.Query);
DateTime snapshot;
var snapshotString = queryParameters.Get(Constants.QueryConstants.Snapshot);
if (!string.IsNullOrEmpty(snapshotString)
&&
DateTime.TryParse(
snapshotString, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal, out snapshot))
{
attributes.Snapshot = snapshot;
}
attributes.Metadata = GetMetadata(response);
return attributes;
}
public static BlobAttributesDataModel ToAttributesDataModel(this BlobAttributes blob)
{
return(new BlobAttributesDataModel
{
Id = blob.Id,
ContainerId = blob.Container.Id,
Name = blob.Name,
CacheControl = blob.Properties.CacheControl,
ContentDisposition = blob.Properties.ContentDisposition,
ContentEncoding = blob.Properties.ContentEncoding,
ContentLanguage = blob.Properties.ContentLanguage,
ContentMD5 = blob.Properties.ContentMD5,
ContentType = blob.Properties.ContentType,
ETag = blob.Properties.ETag,
Length = blob.Properties.Length,
Metadata = blob.Metadata.ToJson(),
CreatedUtcDateTime = blob.Properties.CreatedUtcDateTime,
LastModifiedUtcDateTime = blob.Properties.LastModifiedUtcDateTime,
StorageId = blob.Storage.Id,
});
}
public async Task <Storage> GetStorageAsync(BlobAttributes blobAttributes, CancellationToken cancellationToken)
{
var blobDbCommand = new BlobDbCommand(ConnectionString);
var target =
await
blobDbCommand.GetAttributesAsync(blobAttributes.Id, cancellationToken).ConfigureAwait(false);
if (target != null && target.Storage != null && target.Storage != Storage.None)
{
return(target.Storage);
}
var account = blobAttributes.Container.Account;
if (account.StorageType == StorageType.Common)
{
return(await GetCommonStorageAsync(blobAttributes, cancellationToken).ConfigureAwait(false));
}
if (!account.Storages.Any() || account.Storages.All(x => x.IsSuspended || x.ThresholdLength == 0))
{
return(Storage.None);
}
var storage = account.Storages.OrderBy(x =>
{
var threshold = x.ThresholdLength * 1.0;
var used = x.UsedLength;
var thisTimeUse = blobAttributes.Properties.Length;
return((used + thisTimeUse) / threshold);
}).First();
return(storage);
}
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;
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;
}
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;
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", BlobRequest.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);
}
return(new ListBlobEntry(name, blob));
}
/// <summary>
/// Parses the response XML for a blob listing operation.
/// </summary>
/// <returns>An enumerable collection of objects that implement <see cref="IListBlobEntry"/>.</returns>
protected override IEnumerable <IListBlobEntry> ParseXml()
{
bool needToRead = true;
while (true)
{
if (needToRead && !reader.Read())
{
break;
}
needToRead = true;
// Run through the stream until we find what we are looking for. Retain what we've found.
if (reader.NodeType == XmlNodeType.Element && !reader.IsEmptyElement)
{
switch (reader.Name)
{
case Constants.DelimiterElement:
needToRead = false;
this.delimiter = reader.ReadElementContentAsString();
this.delimiterConsumable = true;
yield return(null);
break;
case Constants.MarkerElement:
needToRead = false;
this.marker = reader.ReadElementContentAsString();
this.markerConsumable = true;
yield return(null);
break;
case Constants.NextMarkerElement:
needToRead = false;
this.nextMarker = reader.ReadElementContentAsString();
this.nextMarkerConsumable = true;
yield return(null);
break;
case Constants.MaxResultsElement:
needToRead = false;
this.maxResults = reader.ReadElementContentAsInt();
this.maxResultsConsumable = true;
yield return(null);
break;
case Constants.PrefixElement:
needToRead = false;
this.prefix = reader.ReadElementContentAsString();
this.prefixConsumable = true;
yield return(null);
break;
case Constants.BlobsElement:
// While we're still in the blobs section.
while (reader.Read())
{
// We found a blob.
if (reader.NodeType == XmlNodeType.Element && !reader.IsEmptyElement && reader.Name == Constants.BlobElement)
{
BlobAttributes blob = null;
string url = null;
DateTime? lastModifiedTime = null;
string etag = null;
string name = null;
long? contentLength = null;
string contentType = null;
string contentEncoding = null;
string contentLanguage = null;
string contentMD5 = null;
BlobType? blobType = null;
LeaseStatus? leaseStatus = null;
DateTime? snapshot = null;
NameValueCollection metadata = null;
// Go until we are out of the blob.
bool blobNeedToRead = true;
while (true)
{
if (blobNeedToRead && !reader.Read())
{
break;
}
blobNeedToRead = true;
if (reader.NodeType == XmlNodeType.Element && !reader.IsEmptyElement)
{
switch (reader.Name)
{
case Constants.UrlElement:
url = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.LastModifiedElement:
lastModifiedTime = reader.ReadElementContentAsString().ToUTCTime();
blobNeedToRead = false;
break;
case Constants.EtagElement:
etag = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.NameElement:
name = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.ContentLengthElement:
contentLength = reader.ReadElementContentAsLong();
blobNeedToRead = false;
break;
case Constants.ContentTypeElement:
contentType = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.ContentEncodingElement:
contentEncoding = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.ContentLanguageElement:
contentLanguage = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.ContentMD5Element:
contentMD5 = reader.ReadElementContentAsString();
blobNeedToRead = false;
break;
case Constants.BlobTypeElement:
string blobTypeString = reader.ReadElementContentAsString();
blobNeedToRead = false;
switch (blobTypeString)
{
case Constants.BlockBlobValue:
blobType = BlobType.BlockBlob;
break;
case Constants.PageBlobValue:
blobType = BlobType.PageBlob;
break;
}
break;
case Constants.LeaseStatusElement:
string leaseStatusString = reader.ReadElementContentAsString();
blobNeedToRead = false;
switch (leaseStatusString)
{
case Constants.LockedValue:
leaseStatus = LeaseStatus.Locked;
break;
case Constants.UnlockedValue:
leaseStatus = LeaseStatus.Unlocked;
break;
}
break;
case Constants.SnapshotElement:
snapshot = reader.ReadElementContentAsString().ToUTCTime();
blobNeedToRead = false;
break;
case Constants.MetadataElement:
metadata = Response.ParseMetadata(reader);
blobNeedToRead = false;
break;
}
}
else if (reader.NodeType == XmlNodeType.EndElement && reader.Name == Constants.BlobElement)
{
// Add quotes to the ETag
if (!string.IsNullOrEmpty(etag))
{
etag = string.Format("\"{0}\"", etag);
}
blob = new BlobAttributes();
blob.Properties = new BlobProperties();
blob.Properties.ContentEncoding = contentEncoding;
blob.Properties.ContentLanguage = contentLanguage;
blob.Properties.ContentMD5 = contentMD5;
blob.Properties.Length = contentLength ?? 0;
blob.Properties.ContentType = contentType;
blob.Properties.ETag = etag;
if (lastModifiedTime != null)
{
blob.Properties.LastModifiedUtc = (DateTime)lastModifiedTime;
}
var blobNameSectionIndex = url.LastIndexOf(NavigationHelper.Slash + name);
string baseUri = url.Substring(0, blobNameSectionIndex + 1);
var ub = new UriBuilder(baseUri);
ub.Path += Uri.EscapeUriString(name);
if (baseUri.Length + name.Length < url.Length)
{
// it's a url for snapshot.
// Snapshot blob URI example:http://<yourstorageaccount>.blob.core.windows.net/<yourcontainer>/<yourblobname>?snapshot=2009-12-03T15%3a26%3a19.4466877Z
ub.Query = url.Substring(baseUri.Length + name.Length + 1);
}
blob.Uri = ub.Uri;
blob.Properties.LeaseStatus = leaseStatus ?? LeaseStatus.Unspecified;
if (snapshot != null)
{
blob.Snapshot = (DateTime)snapshot;
}
blob.Properties.BlobType = blobType ?? BlobType.Unspecified;
if (metadata != null)
{
blob.Metadata = metadata;
}
break;
}
}
yield return(new BlobEntry(name, blob));
}
else if (reader.NodeType == XmlNodeType.Element && !reader.IsEmptyElement && reader.Name == Constants.BlobPrefixElement)
{
BlobPrefixEntry commonPrefix = new BlobPrefixEntry();
// Go until we are out of the blob.
bool blobPrefixNeedToRead = true;
while (true)
{
if (blobPrefixNeedToRead && !reader.Read())
{
break;
}
blobPrefixNeedToRead = true;
if (reader.NodeType == XmlNodeType.Element && !reader.IsEmptyElement)
{
switch (reader.Name)
{
case Constants.NameElement:
commonPrefix.Name = reader.ReadElementContentAsString();
blobPrefixNeedToRead = false;
break;
}
}
else if (reader.NodeType == XmlNodeType.EndElement && reader.Name == Constants.BlobPrefixElement)
{
break;
}
}
yield return(commonPrefix);
}
else if (reader.NodeType == XmlNodeType.EndElement && reader.Name == Constants.BlobsElement)
{
this.allObjectsParsed = true;
break;
}
}
break;
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ListBlobEntry"/> class.
/// </summary>
/// <param name="name">The name of the blob.</param>
/// <param name="attributes">The blob's attributes.</param>
internal ListBlobEntry(string name, BlobAttributes attributes)
{
this.Name = name;
this.Attributes = attributes;
}
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));
}
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;
bool? blobTierInferred = null;
string rehydrationStatusString = null;
DateTimeOffset?blobTierLastModifiedTime = 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;
case Constants.AccessTierInferred:
blobTierInferred = reader.ReadElementContentAsBoolean();
break;
case Constants.AccessTierChangeTimeElement:
string t = reader.ReadElementContentAsString();
blobTierLastModifiedTime = DateTimeOffset.Parse(t, CultureInfo.InvariantCulture);
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.RehydrationStatus = BlobHttpResponseParsers.GetRehydrationStatus(rehydrationStatusString);
blob.Properties.BlobTierLastModifiedTime = blobTierLastModifiedTime;
blob.Properties.BlobTierInferred = blobTierInferred;
return(new ListBlobEntry(name, blob));
}
/// <summary>
/// Gets the blob's attributes, including its metadata and properties, from the response.
/// </summary>
/// <param name="response">The web response.</param>
/// <returns>The blob's attributes.</returns>
public static BlobAttributes GetAttributes(HttpWebResponse response)
{
BlobAttributes attributes = new BlobAttributes();
var properties = attributes.Properties = new BlobProperties();
properties.CacheControl = response.Headers[HttpResponseHeader.CacheControl];
properties.ContentEncoding = response.Headers[HttpResponseHeader.ContentEncoding];
properties.ContentLanguage = response.Headers[HttpResponseHeader.ContentLanguage];
properties.ContentMD5 = response.Headers[HttpResponseHeader.ContentMd5];
properties.ContentType = response.Headers[HttpResponseHeader.ContentType];
properties.ETag = response.Headers[HttpResponseHeader.ETag];
properties.LastModifiedUtc = response.LastModified.ToUniversalTime();
string blobType = response.Headers[Constants.HeaderConstants.BlobType];
string leaseStatus = response.Headers[Constants.HeaderConstants.LeaseStatus];
if (!string.IsNullOrEmpty(blobType))
{
properties.BlobType = (BlobType)Enum.Parse(typeof(BlobType), blobType, true);
}
if (!string.IsNullOrEmpty(leaseStatus))
{
properties.LeaseStatus = (LeaseStatus)Enum.Parse(typeof(LeaseStatus), leaseStatus, true);
}
// Get the content length. Prioritize range and x-ms over content length for the special cases.
var rangeHeader = response.Headers[HttpResponseHeader.ContentRange];
var xContentLengthHeader = response.Headers[Constants.HeaderConstants.ContentLengthHeader];
if (!string.IsNullOrEmpty(rangeHeader))
{
properties.Length = long.Parse(rangeHeader.Split('/')[1]);
}
else if (!string.IsNullOrEmpty(xContentLengthHeader))
{
properties.Length = long.Parse(xContentLengthHeader);
}
else
{
properties.Length = response.ContentLength;
}
attributes.Uri = new Uri(response.ResponseUri.GetLeftPart(UriPartial.Path));
var queryParameters = Utilities.ParseQueryString(response.ResponseUri.Query);
DateTime snapshot;
var snapshotString = queryParameters.Get(Constants.QueryConstants.Snapshot);
if (!string.IsNullOrEmpty(snapshotString) &&
DateTime.TryParse(
snapshotString,
System.Globalization.CultureInfo.InvariantCulture,
System.Globalization.DateTimeStyles.AdjustToUniversal,
out snapshot))
{
attributes.Snapshot = snapshot;
}
attributes.Metadata = GetMetadata(response);
return(attributes);
}
/// <summary>
/// Initializes a new instance of the <see cref="ListBlobEntry"/> class.
/// </summary>
/// <param name="name">A string containing the name of the blob.</param>
/// <param name="attributes">The blob's attributes.</param>
internal ListBlobEntry(string name, BlobAttributes attributes)
{
this.Name = name;
this.Attributes = attributes;
}
/// <summary>
/// Parses a blob entry in a blob listing response.
/// </summary>
/// <returns>Blob listing entry</returns>
private IListBlobEntry ParseBlobEntry()
{
BlobAttributes blob = new BlobAttributes();
string url = null;
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;
this.reader.ReadStartElement();
while (this.reader.IsStartElement())
{
if (this.reader.IsEmptyElement)
{
this.reader.Skip();
}
else
{
switch (this.reader.Name)
{
case Constants.UrlElement:
url = reader.ReadElementContentAsString();
break;
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("\"{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.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;
}
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;
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();
var blobNameSectionIndex = url.LastIndexOf(NavigationHelper.Slash + name);
string baseUri = url.Substring(0, blobNameSectionIndex + 1);
var ub = new UriBuilder(baseUri);
ub.Path += Uri.EscapeUriString(name);
if (baseUri.Length + name.Length < url.Length)
{
// it's a url for snapshot.
// Snapshot blob URI example:http://<yourstorageaccount>.blob.core.windows.net/<yourcontainer>/<yourblobname>?snapshot=2009-12-03T15%3a26%3a19.4466877Z
ub.Query = url.Substring(baseUri.Length + name.Length + 1);
}
blob.Uri = ub.Uri;
if (!string.IsNullOrEmpty(copyStatus))
{
blob.CopyState = BlobHttpResponseParsers.GetCopyAttributes(
copyStatus,
copyId,
copySource,
copyProgress,
copyCompletionTime,
copyStatusDescription);
}
return(new ListBlobEntry(name, blob));
}
/// <summary></summary>
/// <param name="blobAttribute"></param>
/// <returns></returns>
public Task UpdateAttributesAsync(BlobAttributes blobAttribute)
{
return(UpdateAttributesAsync(blobAttribute, CancellationToken.None));
}
internal ListBlobEntry(string name, BlobAttributes attributes)
{
throw new System.NotImplementedException();
}
public BlobImageDataModel(BlobAttributes attributes)
{
AccountId = Hash(attributes.Container.Account.Id, attributes.Container.Account.CryptKey);
ContainerId = Hash(attributes.Container.Id, attributes.Container.Account.CryptKey);
BlobId = Hash(attributes.Id, attributes.Container.Account.CryptKey);
}
