Delphi DLL

Azure Storage: Get Blob Service Properties

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to get a blob's service properties. Delphi DLL

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

...

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

begin
success := False;

// Azure Blob Service Example: Get Blob Service Properties

// 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: 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.

responseStr := CkRest__fullRequestNoBody(rest,'GET','/?restype=service&comp=properties');
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 code,
// with an XML 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('Logging retention policy #days = ' + CkXml__chilkatPath(xml,'Logging|RetentionPolicy|Days|*'));
Memo1.Lines.Add('Hour metrics include APIs = ' + CkXml__chilkatPath(xml,'HourMetrics|IncludeAPIs|*'));

// <?xml version="1.0" encoding="utf-8" ?>
// <StorageServiceProperties>
//     <Logging>
//         <Version>1.0</Version>
//         <Read>true</Read>
//         <Write>true</Write>
//         <Delete>true</Delete>
//         <RetentionPolicy>
//             <Enabled>true</Enabled>
//             <Days>7</Days>
//         </RetentionPolicy>
//     </Logging>
//     <HourMetrics>
//         <Version>1.0</Version>
//         <Enabled>true</Enabled>
//         <IncludeAPIs>true</IncludeAPIs>
//         <RetentionPolicy>
//             <Enabled>true</Enabled>
//             <Days>7</Days>
//         </RetentionPolicy>
//     </HourMetrics>
//     <MinuteMetrics>
//         <Version>1.0</Version>
//         <Enabled>false</Enabled>
//         <RetentionPolicy>
//             <Enabled>false</Enabled>
//         </RetentionPolicy>
//     </MinuteMetrics>
//     <Cors />
// </StorageServiceProperties>

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

end;