public override void ExecuteCmdlet()
{
CloudBlob blob = null;
if (ParameterSetName == BlobNamePipelineParmeterSetWithPermission ||
ParameterSetName == BlobNamePipelineParmeterSetWithPolicy)
{
blob = GetCloudBlobByName(Container, Blob);
}
else
{
blob = this.CloudBlob;
}
// When the input context is Oauth bases, can't generate normal SAS, but UserDelegationSas
bool generateUserDelegationSas = false;
if (Channel != null && Channel.StorageContext != null && Channel.StorageContext.StorageAccount.Credentials.IsToken)
{
if (ShouldProcess(blob.Name, "Generate User Delegation SAS, since input Storage Context is OAuth based."))
{
generateUserDelegationSas = true;
if (!string.IsNullOrEmpty(accessPolicyIdentifier))
{
throw new ArgumentException("When input Storage Context is OAuth based, Saved Policy is not supported.", "Policy");
}
}
else
{
return;
}
}
if (!(blob is InvalidCloudBlob) && !UseTrack2Sdk())
{
SharedAccessBlobPolicy accessPolicy = new SharedAccessBlobPolicy();
bool shouldSetExpiryTime = SasTokenHelper.ValidateContainerAccessPolicy(Channel, blob.Container.Name, accessPolicy, accessPolicyIdentifier);
SetupAccessPolicy(accessPolicy, shouldSetExpiryTime);
string sasToken = GetBlobSharedAccessSignature(blob, accessPolicy, accessPolicyIdentifier, Protocol, Util.SetupIPAddressOrRangeForSAS(IPAddressOrRange), generateUserDelegationSas);
if (FullUri)
{
string fullUri = blob.SnapshotQualifiedUri.ToString();
if (blob.IsSnapshot)
{
// Since snapshot URL already has '?', need remove '?' in the first char of sas
fullUri = fullUri + "&" + sasToken.Substring(1);
}
else
{
fullUri = fullUri + sasToken;
}
WriteObject(fullUri);
}
else
{
WriteObject(sasToken);
}
}
else // Use Track2 SDk
{
//Get blob instance
BlobBaseClient blobClient;
if (this.BlobBaseClient != null)
{
blobClient = this.BlobBaseClient;
}
else
{
blobClient = AzureStorageBlob.GetTrack2BlobClient(blob, Channel.StorageContext, this.ClientOptions);
}
// Get contaienr saved policy if any
BlobSignedIdentifier identifier = null;
if (ParameterSetName == BlobNamePipelineParmeterSetWithPolicy || ParameterSetName == BlobPipelineParameterSetWithPolicy)
{
BlobContainerClient container = AzureStorageContainer.GetTrack2BlobContainerClient(Channel.GetContainerReference(blobClient.BlobContainerName), Channel.StorageContext, ClientOptions);
identifier = SasTokenHelper.GetBlobSignedIdentifier(container, this.Policy, CmdletCancellationToken);
}
//Create SAS builder
BlobSasBuilder sasBuilder = SasTokenHelper.SetBlobSasBuilder_FromBlob(blobClient, identifier, this.Permission, this.StartTime, this.ExpiryTime, this.IPAddressOrRange, this.Protocol);
//Create SAS and ourput
string sasToken = SasTokenHelper.GetBlobSharedAccessSignature(Channel.StorageContext, sasBuilder, generateUserDelegationSas, ClientOptions, CmdletCancellationToken);
if (sasToken[0] != '?')
{
sasToken = "?" + sasToken;
}
if (FullUri)
{
string fullUri = blobClient.Uri.ToString();
if (blob.IsSnapshot)
{
// Since snapshot URL already has '?', need remove '?' in the first char of sas
fullUri = fullUri + "&" + sasToken.Substring(1);
}
else
{
fullUri = fullUri + sasToken;
}
WriteObject(fullUri);
}
else
{
WriteObject(sasToken);
}
}
}