(Delphi DLL) Get Container ACL

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, DtObj, Rest, AuthAzureStorage, Xml, CkDateTime;

...

procedure TForm1.Button1Click(Sender: TObject);
var
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
success: Boolean;
azAuth: HCkAuthAzureStorage;
responseStr: PWideChar;
xml: HCkXml;
startTimeStr: PWideChar;
dateTime: HCkDateTime;
bLocalTime: Boolean;
dt: HCkDtObj;

begin
// Azure Blob Service Example: Get Container ACL
// See also: https://msdn.microsoft.com/en-us/library/azure/dd179469.aspx

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

rest := CkRest_Create();

// Connect to the Azure Storage Blob Service
bTls := True;
port := 443;
bAutoReconnect := True;
// In this example, the storage account name is "chilkat".
success := CkRest_Connect(rest,'chilkat.blob.core.windows.net',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// Provide Azure Cloud credentials for the REST call.
azAuth := CkAuthAzureStorage_Create();
CkAuthAzureStorage_putAccessKey(azAuth,'AZURE_ACCESS_KEY');
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
CkAuthAzureStorage_putAccount(azAuth,'chilkat');
CkAuthAzureStorage_putScheme(azAuth,'SharedKey');
CkAuthAzureStorage_putService(azAuth,'Blob');
// This causes the "x-ms-version: 2020-08-04" header to be automatically added.
CkAuthAzureStorage_putXMsVersion(azAuth,'2020-08-04');
success := CkRest_SetAuthAzureStorage(rest,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 expected success response is a 200 response status code with an XML response body.
// In this example, we are getting the ACL permissions of the container named "mycontainer".
responseStr := CkRest__fullRequestNoBody(rest,'GET','/mycontainer?restype=container&comp=acl');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.

if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    // Examine the request/response to see what happened.
    Memo1.Lines.Add('response status code = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('response status text = ' + CkRest__responseStatusText(rest));
    Memo1.Lines.Add('response header: ' + CkRest__responseHeader(rest));
    Memo1.Lines.Add('response body (if any): ' + responseStr);
    Memo1.Lines.Add('---');
    Memo1.Lines.Add('LastRequestStartLine: ' + CkRest__lastRequestStartLine(rest));
    Memo1.Lines.Add('LastRequestHeader: ' + CkRest__lastRequestHeader(rest));
    Exit;
  end;

// Load the XML response for parsing.
// An example of the response XML is shown below.
xml := CkXml_Create();
success := CkXml_LoadXml(xml,responseStr);

Memo1.Lines.Add(CkXml__getXml(xml));

// Use the ChilkatPath method to get various pieces of information out
// of the XML.  For example:

Memo1.Lines.Add('Id = ' + CkXml__chilkatPath(xml,'SignedIdentifier|Id|*'));
startTimeStr := CkXml__chilkatPath(xml,'SignedIdentifier|AccessPolicy|Start|*');
Memo1.Lines.Add('Start Time = ' + startTimeStr);

// The date/time string can be loaded into a CkDateTime object for 
// access to individual parts, or conversion to other formats.
dateTime := CkDateTime_Create();
success := CkDateTime_SetFromTimestamp(dateTime,startTimeStr);

// For example..
bLocalTime := True;
dt := CkDateTime_GetDtObj(dateTime,bLocalTime);
Memo1.Lines.Add(IntToStr(CkDtObj_getYear(dt)) + '/' + IntToStr(CkDtObj_getMonth(dt)) + '/' + IntToStr(CkDtObj_getDay(dt)));
CkDtObj_Dispose(dt);

// <?xml version="1.0" encoding="utf-8" ?>
// <SignedIdentifiers>
//     <SignedIdentifier>
//         <Id>46KdrjGoh6bEJVbbLAKSVDLH3bBcjPKn</Id>
//         <AccessPolicy>
//             <Start>2016-05-04T22:10:49.0000000Z</Start>
//             <Expiry>2017-05-04T22:10:49.0000000Z</Expiry>
//             <Permission>rwd</Permission>
//         </AccessPolicy>
//     </SignedIdentifier>
// </SignedIdentifiers>

CkRest_Dispose(rest);
CkAuthAzureStorage_Dispose(azAuth);
CkXml_Dispose(xml);
CkDateTime_Dispose(dateTime);

end;