(Delphi DLL) Azure File Service: List Shares

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

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;
lastMod: HCkDateTime;
numShares: Integer;
i: Integer;
dt: HCkDtObj;

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 := 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.file.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,'File');
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
CkAuthAzureStorage_putXMsVersion(azAuth,'2021-08-06');
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.

// Send the GET request to list the shares.
responseStr := CkRest__fullRequestNoBody(rest,'GET','/?comp=list');
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));

// 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 := CkDateTime_Create();

numShares := CkXml_NumChildrenAt(xml,'Shares');
i := 0;
while i < numShares do
  begin
    Memo1.Lines.Add('---- Share ' + IntToStr(i) + ' ----');
    CkXml_putI(xml,i);
    Memo1.Lines.Add('Name: ' + CkXml__getChildContent(xml,'Shares|Share[i]|Name'));
    CkDateTime_SetFromRfc822(lastMod,CkXml__getChildContent(xml,'Shares|Share[i]|Properties|Last-Modified'));
    dt := CkDateTime_GetDtObj(lastMod,True);
    Memo1.Lines.Add('Last-Modified YMD: ' + IntToStr(CkDtObj_getYear(dt)) + ',' + IntToStr(CkDtObj_getMonth(dt)) + ',' + IntToStr(CkDtObj_getDay(dt)));
    CkDtObj_Dispose(dt);
    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.');

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

end;