Delphi DLL

Shopware 6 - Get OAuth2 Access Token using Client Credentials (Integration)

See more Shopware 6 Examples

Demonstrates how to get an OAuth2 access token with an integration. Delphi 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
success: Boolean;
http: HCkHttp;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
token_type: PWideChar;
expires_in: Integer;
access_token: PWideChar;
refresh_token: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// Sends the following POST

// 	POST /api/oauth/token
// 	{
// 	    "grant_type": "client_credentials",
// 	    "client_id": "<client-id>",
// 	    "client_secret": "<client-secret>"
// 	}

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

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

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'grant_type','client_credentials');
CkJsonObject_UpdateString(json,'client_id','client-id');
CkJsonObject_UpdateString(json,'client_secret','client-secret');

resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://my-shopware-6-shop.de/api/oauth/token',json,'application/json',resp);
if (success = 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.');
    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "token_type": "Bearer",
//   "expires_in": 600,
//   "access_token": "xxxxxxxxxxxxxx",
//   "refresh_token": "token"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

token_type := CkJsonObject__stringOf(jResp,'token_type');
expires_in := CkJsonObject_IntOf(jResp,'expires_in');
access_token := CkJsonObject__stringOf(jResp,'access_token');
refresh_token := CkJsonObject__stringOf(jResp,'refresh_token');

// Save our JSON to a file (to be used in other examples..)
success := CkJsonObject_WriteFile(jResp,'qa_data/tokens/shopware6.json');

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;