/// <summary>
/// Converts the source blob of a copy operation to an appropriate access URI, taking Shared Access Signature credentials into account.
/// </summary>
/// <param name="source">The source blob.</param>
/// <returns>A URI addressing the source blob, using SAS if appropriate.</returns>
internal static Uri SourceBlobToUri(ICloudBlob source)
{
Uri sourceUri = source.ServiceClient.Credentials.TransformUri(source.Uri);
if (source.SnapshotTime.HasValue)
{
UriQueryBuilder builder = new UriQueryBuilder();
builder.Add("snapshot", BlobRequest.ConvertDateTimeToSnapshotString(source.SnapshotTime.Value));
sourceUri = builder.AddToUri(sourceUri);
}
return(sourceUri);
}
/// <summary>
/// Gets the canonical name of the blob, formatted as /<account-name>/<container-name>/<blob-name>.
/// If <c>ignoreSnapshotTime</c> is <c>false</c> and this blob is a snapshot, the canonical name is augmented with a
/// query of the form ?snapshot=<snapshot-time>.
/// <para>This is used by both Shared Access and Copy blob operations.</para>
/// </summary>
/// <param name="ignoreSnapshotTime">Indicates if the snapshot time is ignored.</param>
/// <returns>The canonical name of the blob.</returns>
private string GetCanonicalName(bool ignoreSnapshotTime)
{
string accountName = this.ServiceClient.Credentials.AccountName;
string containerName = this.Container.Name;
string blobName = this.Name;
string canonicalName = string.Format("/{0}/{1}/{2}", accountName, containerName, blobName);
if (!ignoreSnapshotTime && this.SnapshotTime != null)
{
canonicalName += "?snapshot=" + BlobRequest.ConvertDateTimeToSnapshotString(this.SnapshotTime.Value);
}
return(canonicalName);
}
/// <summary>
/// Gets the canonical name of the blob, formatted as /<account-name>/<container-name>/<blob-name>.
/// If <c>ignoreSnapshotTime</c> is <c>false</c> and this blob is a snapshot, the canonical name is augmented with a
/// query of the form ?snapshot=<snapshot-time>.
/// <para>This is used by both Shared Access and Copy blob operations.</para>
/// </summary>
/// <param name="ignoreSnapshotTime">Indicates if the snapshot time is ignored.</param>
/// <returns>The canonical name of the blob.</returns>
private string GetCanonicalName(bool ignoreSnapshotTime)
{
string accountName = this.ServiceClient.Credentials.AccountName;
string containerName = this.Container.Name;
// Replace \ with / for uri compatibility when running under .net 4.5.
string blobName = this.Name.Replace('\\', '/');
string canonicalName = string.Format(CultureInfo.InvariantCulture, "/{0}/{1}/{2}", accountName, containerName, blobName);
if (!ignoreSnapshotTime && this.SnapshotTime != null)
{
canonicalName += "?snapshot=" + BlobRequest.ConvertDateTimeToSnapshotString(this.SnapshotTime.Value);
}
return(canonicalName);
}