(Delphi DLL) Refresh WiX Access Token

Request a new access token each time you call a WiX API. Use the refresh token together with your secret key, to request refresh tokens

For more information, see https://dev.wix.com/api/rest/authorization/oauth-2/refresh-an-access-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, Http, StringBuilder, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
jsonToken: HCkJsonObject;
success: Boolean;
refreshToken: PWideChar;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
refresh_token: PWideChar;
access_token: PWideChar;

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://www.wix.com/oauth/access \
//   -H 'Content-Type: application/json' \
//   -d '{
//     "grant_type": "refresh_token",
//     "client_id": <CLIENT_ID>,
//     "client_secret": <CLIENT_SECRET>,
//     "refresh_token": <REFRESH_TOKEN>
// }'

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// saved by this example: Get WiX OAuth2 Access Token

jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/wix.json');
if (success <> True) then
  begin
    Memo1.Lines.Add('Failed to load square.json');
    Exit;
  end;

// Get the "refresh_token"
refreshToken := CkJsonObject__stringOf(jsonToken,'refresh_token');

// The following JSON is sent in the request body.

// {
//   "grant_type": "refresh_token",
//   "client_id": <APP_ID>,
//   "client_secret": <APP_SECRET>,
//   "refresh_token": <REFRESH_TOKEN>
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'grant_type','refresh_token');
CkJsonObject_UpdateString(json,'client_id','CLIENT_ID');
CkJsonObject_UpdateString(json,'client_secret','CLIENT_SECRET');
CkJsonObject_UpdateString(json,'refresh_token',refreshToken);

CkHttp_SetRequestHeader(http,'Content-Type','application/json');

resp := CkHttp_PostJson3(http,'https://www.wix.com/oauth/access','application/json',json);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

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);

// Sample JSON response:

// {
//   "refresh_token": "OAUTH2.eyJraWQ ... vnB4cQ",
//   "access_token": "OAUTH2.eyJra ... la18lrw"
// }

refresh_token := CkJsonObject__stringOf(jResp,'refresh_token');
access_token := CkJsonObject__stringOf(jResp,'access_token');

// Save the new JSON access token response to a file.
CkStringBuilder_WriteFile(sbResponseBody,'qa_data/tokens/wix.json','utf-8',False);

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;