(Delphi DLL) ETrade Revoke Access Token

Revokes an ETrade OAuth access token.

For more information, see https://apisb.etrade.com/docs/api/authorization/revoke_access_token.html

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, Http, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
jsonToken: HCkJsonObject;
success: Boolean;
resp: HCkHttpResponse;

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

http := CkHttp_Create();

CkHttp_putOAuth1(http,True);
CkHttp_putOAuthVerifier(http,'');
CkHttp_putOAuthConsumerKey(http,'ETRADE_CONSUMER_KEY');
CkHttp_putOAuthConsumerSecret(http,'ETRADE_CONSUMER_SECRET');

// Load the access token previously obtained via the OAuth1 Authorization
// This is the token that will be revoked.
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/etrade.json');
if (success <> True) then
  begin
    Memo1.Lines.Add('Failed to load OAuth1 token');
    Exit;
  end;

CkHttp_putOAuthToken(http,CkJsonObject__stringOf(jsonToken,'oauth_token'));
CkHttp_putOAuthTokenSecret(http,CkJsonObject__stringOf(jsonToken,'oauth_token_secret'));

resp := CkHttp_QuickGetObj(http,'https://api.etrade.com/oauth/revoke_access_token');
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// Make sure a successful response was received.
if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add(CkHttpResponse__statusLine(resp));
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
    Exit;
  end;

// If successful, the resp.BodyStr contains something like this: Revoked Access Token 
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

Memo1.Lines.Add('Success.');

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);

end;