Chilkat Examples

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Delphi ActiveX Web API Examples

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(Delphi ActiveX) 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 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_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
jsonToken: TChilkatJsonObject;
success: Integer;
resp: IChilkatHttpResponse;

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

http := TChilkatHttp.Create(Self);

http.OAuth1 := 1;
http.OAuthVerifier := '';
http.OAuthConsumerKey := 'ETRADE_CONSUMER_KEY';
http.OAuthConsumerSecret := 'ETRADE_CONSUMER_SECRET';

// Load the access token previously obtained via the OAuth1 Authorization
// This is the token that will be revoked.
jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/etrade.json');
if (success <> 1) then
  begin
    Memo1.Lines.Add('Failed to load OAuth1 token');
    Exit;
  end;

http.OAuthToken := jsonToken.StringOf('oauth_token');
http.OAuthTokenSecret := jsonToken.StringOf('oauth_token_secret');

resp := http.QuickGetObj('https://api.etrade.com/oauth/revoke_access_token');
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Make sure a successful response was received.
if (resp.StatusCode <> 200) then
  begin
    Memo1.Lines.Add(resp.StatusLine);
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add(resp.BodyStr);
    Exit;
  end;

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

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

 

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