delphi - Google OAuth 与 Delphi 中的 Indy

Question

我正在使用 Indy10 和 Delphi 并尝试获取 Google's OAuth上类。第一步是向 OAuthGetRequestToken 方法发出请求。下面的代码返回 400 错误。任何帮助将不胜感激。

procedure TForm1.Button1Click(Sender: TObject);
    var
      IdHTTP: TIdHTTP;
      IdSSLIOHandlerSocket1: TIdSSLIOHandlerSocketOpenSSL;
      Params: TStringList;
      mString: String;
    begin
      Params := tstringlist.create;
      IdSSLIOHandlerSocket1 := TIdSSLIOHandlerSocketOpenSSL.create(nil);
      IdHTTP := TIdHTTP.create(nil);

      with IdSSLIOHandlerSocket1 do begin
        SSLOptions.Method := sslvSSLv3;
        SSLOptions.Mode :=  sslmUnassigned;
        SSLOptions.VerifyMode := [];
        SSLOptions.VerifyDepth := 2;
      end;
      with IdHTTP do begin
        IOHandler := IdSSLIOHandlerSocket1;
        ReadTimeout := 0;
        AllowCookies := True;
        ProxyParams.BasicAuthentication := False;
        ProxyParams.ProxyPort := 0;
        Request.ContentLength := -1;
        Request.ContentRangeEnd := 0;
        Request.ContentRangeStart := 0;
        Request.ContentType := 'application/x-www-form-urlencoded';
        request.host := 'https://www.google.com';
        Request.Accept := 'text/html, */*';

        Request.BasicAuthentication := False;
        Request.UserAgent := 'Mozilla/3.0 (compatible; Indy Library)';
        HTTPOptions := [hoForceEncodeParams];
      end;
      Params.Add('scope=https://www.google.com/analytics/feeds/');
      Params.Add('oauth_consumer_key=anonymous');
      Params.Add('oauth_signature_method=HMAC-SHA1');
      Params.Add('oauth_signature=wOJIO9A2W5mFwDgiDvZbTSMK%2FPY%3D');
      Params.Add('oauth_timestamp=137131200');
      Params.Add('oauth_nonce=4572616e48616d6d65724c61686176');
      showmessage(HTTPDecode(IdHTTP.Post('https://www.google.com/accounts/OAuthGetRequestToken',Params)));

    end;

Answer 1

查看响应 DataString(引发异常的位置)，它会给您更详细的问题原因。 例如，尝试使用您的代码，我首先得到一个“时间戳距当前时间太远”，然后在更新 oauth_timestamp 后，我得到一个“无效签名”...