(Delphi ActiveX) HTTP GET with Custom Header and OAuth2 Bearer Token

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Demonstrate how to send a GET request with customer headers and an "Authorization: Bearer " header.

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
success: Integer;
http: TChilkatHttp;
url: WideString;
sb: TChilkatStringBuilder;
json: TChilkatJsonObject;

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

http := TChilkatHttp.Create(Self);

// Setting the AuthToken property causes the "Authorization: Bearer <token>" header to be adeded.
http.AuthToken := 'Just_the_access_token_here';

// Add one or more custom headers..
http.SetRequestHeader('X-Tenant-ID','value goes here');
http.SetRequestHeader('blah-blah-blah','value goes here');

url := 'https://www.example.com/abc/123?x=something&y=someOtherThing';

// Send the GET request and get the response body in the StringBuilder object.
sb := TChilkatStringBuilder.Create(Self);
success := http.QuickGetSb(url,sb.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('response status code: ' + IntToStr(http.LastStatus));
Memo1.Lines.Add('response body:');
Memo1.Lines.Add(sb.GetAsString());

// If the response contains JSON, you can load it into a Chilkat JSON object...
json := TChilkatJsonObject.Create(Self);
json.LoadSb(sb.ControlInterface);
json.EmitCompact := 0;
Memo1.Lines.Add(json.Emit());
end;