(Delphi ActiveX) Azure File Service: List Shares

Sample code to list the file shares in an Azure storage account.

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

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
success: Integer;
azAuth: TChilkatAuthAzureStorage;
responseStr: WideString;
xml: TChilkatXml;
lastMod: TCkDateTime;
numShares: Integer;
i: Integer;
dt: IDtObj;

begin
// Azure File Service Example: List all the file shares in a storage account.
// See also: https://docs.microsoft.com/en-us/rest/api/storageservices/list-shares

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

rest := TChilkatRest.Create(Self);

// Connect to the Azure Storage Blob Service
bTls := 1;
port := 443;
bAutoReconnect := 1;
// In this example, the storage account name is "chilkat".
success := rest.Connect('chilkat.file.core.windows.net',port,bTls,bAutoReconnect);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// Provide Azure Cloud credentials for the REST call.
azAuth := TChilkatAuthAzureStorage.Create(Self);
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 := 'File';
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion := '2021-08-06';
success := rest.SetAuthAzureStorage(azAuth.ControlInterface);

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

// Send the GET request to list the shares.
responseStr := rest.FullRequestNoBody('GET','/?comp=list');
if (rest.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

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

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

// Load the XML response for parsing.
// An example of the response XML is shown below.
xml := TChilkatXml.Create(Self);
success := xml.LoadXml(responseStr);

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

// Here's a sample response:

// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.file.core.windows.net/">
//     <Shares>
//         <Share>
//             <Name>beardie</Name>
//             <Properties>
//                 <Last-Modified>Mon, 26 Jun 2017 21:24:57 GMT</Last-Modified>
//                 <Etag>"0x8D4BCD9CBD872E5"</Etag>
//                 <Quota>5120</Quota>
//             </Properties>
//         </Share>
//         <Share>
//             <Name>pip</Name>
//             <Properties>
//                 <Last-Modified>Mon, 26 Jun 2017 21:24:44 GMT</Last-Modified>
//                 <Etag>"0x8D4BCD9C3D823D1"</Etag>
//                 <Quota>5120</Quota>
//             </Properties>
//         </Share>
//     </Shares>
//     <NextMarker />
// </EnumerationResults>

// Let's iterate over the file shares
lastMod := TCkDateTime.Create(Self);

numShares := xml.NumChildrenAt('Shares');
i := 0;
while i < numShares do
  begin
    Memo1.Lines.Add('---- Share ' + IntToStr(i) + ' ----');
    xml.I := i;
    Memo1.Lines.Add('Name: ' + xml.GetChildContent('Shares|Share[i]|Name'));
    lastMod.SetFromRfc822(xml.GetChildContent('Shares|Share[i]|Properties|Last-Modified'));
    dt := lastMod.GetDtObj(1);
    Memo1.Lines.Add('Last-Modified YMD: ' + IntToStr(dt.Year) + ',' + IntToStr(dt.Month) + ',' + IntToStr(dt.Day));

    i := i + 1;
  end;

// Output for the above loop:

// ---- Share 0 ----
// Name: beardie
// Last-Modified YMD: 2017,6,26
// ---- Share 1 ----
// Name: pip
// Last-Modified YMD: 2017,6,26
// 

Memo1.Lines.Add('Success.');
end;