Delphi ActiveX

Isabel Connect Revoke Access Token

See more Ibanity Examples

Revokes an access token. Delphi ActiveX

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;
cert: TChilkatCert;
req: TChilkatHttpRequest;
jsonToken: TChilkatJsonObject;
resp: TChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

// // Implements the following CURL command:
// 
// curl -X POST https://api.ibanity.com/isabel-connect/oauth2/revoke \
// --cert certificate.pem:qwertyuiop1 \
// --key private_key.pem  \
// -H "Content-Type: application/x-www-form-urlencoded" \
// -H "Accept: application/vnd.api+json"  \
// -d token=8787 \
// -d client_id=valid_client_id \
// -d client_secret=valid_client_secret 

// Ibanity provides the certificate + private key in PFX format.  This example will use the .pfx instead of the pair of PEM files.
// (It is also possible to implement using Chilkat with the PEM files, but PFX is easier.)
cert := TChilkatCert.Create(Self);
success := cert.LoadPfxFile('qa_data/pfx/my_ibanity_certificate.pfx','my_pfx_password');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

success := http.SetSslClientCert(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

req := TChilkatHttpRequest.Create(Self);
req.HttpVerb := 'POST';
req.Path := '/isabel-connect/oauth2/revoke';
req.ContentType := 'application/x-www-form-urlencoded';

// Load the previously obtained access token.
jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/isabel_access_token.json');
if (success = 0) then
  begin
    Memo1.Lines.Add('No existing access token.');
    Exit;
  end;
req.AddParam('token',jsonToken.StringOf('access_token'));

// Note: For sandbox testing, we literally want to use the strings
// "valid_client_id", and "valid_client_secret".
// For the live app, you would replace these with actual values.
req.AddParam('client_id','valid_client_id');
req.AddParam('client_secret','valid_client_secret');

req.AddHeader('Accept','application/vnd.api+json');

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpReq('https://api.ibanity.com/isabel-connect/oauth2/revoke',req.ControlInterface,resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(sbResponseBody.GetAsString());

// If successful, the response status code = 200, and the response body is "{}"
end;