(Delphi DLL) Isabel Connect Revoke Access Token

See more Ibanity Examples

Revokes an access token.

For more information, see https://documentation.ibanity.com/isabel-connect/api#revoke-refresh-token

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, HttpResponse, HttpRequest, JsonObject, StringBuilder, Cert, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
cert: HCkCert;
success: Boolean;
req: HCkHttpRequest;
jsonToken: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;

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

http := CkHttp_Create();

// // 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 := CkCert_Create();
success := CkCert_LoadPfxFile(cert,'qa_data/pfx/my_ibanity_certificate.pfx','my_pfx_password');
if (success = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;
success := CkHttp_SetSslClientCert(http,cert);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/isabel-connect/oauth2/revoke');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');

// Load the previously obtained access token.
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/isabel_access_token.json');
if (success = False) then
  begin
    Memo1.Lines.Add('No existing access token.');
    Exit;
  end;
CkHttpRequest_AddParam(req,'token',CkJsonObject__stringOf(jsonToken,'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.
CkHttpRequest_AddParam(req,'client_id','valid_client_id');
CkHttpRequest_AddParam(req,'client_secret','valid_client_secret');

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

resp := CkHttp_PostUrlEncoded(http,'https://api.ibanity.com/isabel-connect/oauth2/revoke',req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

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

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

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

CkHttp_Dispose(http);
CkCert_Dispose(cert);
CkHttpRequest_Dispose(req);
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbResponseBody);

end;