/// <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);
}