(C# UWP/WinRT) Set Container ACL

Azure Storage Blob Service REST API: Sample code to set the permissions of a container.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

// Azure Blob Service Example: Set Container ACL
// See also: https://msdn.microsoft.com/en-us/library/azure/dd179391.aspx

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Rest rest = new Chilkat.Rest();

// Connect to the Azure Storage Blob Service
bool bTls = true;
int port = 443;
bool bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
bool success = await rest.ConnectAsync("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// Provide Azure Cloud credentials for the REST call.
Chilkat.AuthAzureStorage azAuth = new Chilkat.AuthAzureStorage();
azAuth.AccessKey = "AZURE_ACCESS_KEY";
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat";
azAuth.Scheme = "SharedKey";
azAuth.Service = "Blob";
// This causes the "x-ms-version: 2020-08-04" header to be automatically added.
azAuth.XMsVersion = "2020-08-04";
success = rest.SetAuthAzureStorage(azAuth);

// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// The XML body of the request will look like this:

// <?xml version="1.0" encoding="utf-8"?>
// <SignedIdentifiers>
//   <SignedIdentifier> 
//     <Id>unique-character-value-of-up-to-64-chars</Id>
//     <AccessPolicy>
//       <Start>start-time</Start>
//       <Expiry>expiry-time</Expiry>
//       <Permission>abbreviated-permission-list</Permission>
//     </AccessPolicy>
//   </SignedIdentifier>
// </SignedIdentifiers>

// Generate a random 32-character string.
Chilkat.Prng prng = new Chilkat.Prng();
string randomId = prng.RandomString(32,true,true,true);

// Get the current system date/time in ISO 8061 format
Chilkat.CkDateTime dt = new Chilkat.CkDateTime();
dt.SetFromCurrentSystemTime();
bool bLocal = false;
// Get the current date/time in ISO 8061 UTC format.
string curDtStr = dt.GetAsTimestamp(bLocal);
// The expire time will be 365 days in the future.
success = dt.AddDays(365);
string expireDtStr = dt.GetAsTimestamp(bLocal);

// Build the request:
Chilkat.Xml xml = new Chilkat.Xml();
xml.Tag = "SignedIdentifiers";
Chilkat.Xml xSignedId = xml.NewChild("SignedIdentifier","");
xSignedId.NewChild2("Id",randomId);
Chilkat.Xml xAccessPolicy = xSignedId.NewChild("AccessPolicy","");
xAccessPolicy.NewChild2("Start",curDtStr);
xAccessPolicy.NewChild2("Expiry",expireDtStr);
xAccessPolicy.NewChild2("Permission","rwd");

// Show the XML..
Debug.WriteLine(xml.GetXml());

// The expected response is a 200 response status code with no response body.
string responseStr = await rest.FullRequestStringAsync("PUT","/mycontainer?restype=container&comp=acl",xml.GetXml());
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// When successful, the Azure Storage service will respond with a 200 response status code,
// with no response body.

if (rest.ResponseStatusCode != 200) {
    // Examine the request/response to see what happened.
    Debug.WriteLine("response status code = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("response status text = " + rest.ResponseStatusText);
    Debug.WriteLine("response header: " + rest.ResponseHeader);
    Debug.WriteLine("response body (if any): " + responseStr);
    Debug.WriteLine("---");
    Debug.WriteLine("LastRequestStartLine: " + rest.LastRequestStartLine);
    Debug.WriteLine("LastRequestHeader: " + rest.LastRequestHeader);
    return;
}

Debug.WriteLine("Success.");