Pascal (Lazarus/Delphi)

Shopware 6 - Get OAuth2 Access Token using Username and Password

See more Shopware 6 Examples

Demonstrates how to get an OAuth2 access token using your username and password. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.StringBuilder,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  json: TJsonObject;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  token_type: string;
  expires_in: Integer;
  access_token: string;
  refresh_token: string;

begin
  success := False;

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

  http := THttp.Create;

  //  Sends the following POST

  //  	{
  //  	    "client_id": "administration",
  //  	    "grant_type": "password",
  //  	    "scopes": "write",
  //  	    "username": "<user-username>",
  //  	    "password": "<user-password>"
  //  	}

  //  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 := TJsonObject.Create;
  json.UpdateString('client_id','administration');
  json.UpdateString('grant_type','password');
  json.UpdateString('scopes','write');
  json.UpdateString('username','<user-username>');
  json.UpdateString('password','<user-password>');

  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://my-shopware-6-shop.de/api/oauth/token',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  sbResponseBody := TStringBuilder.Create;
  resp.GetBodySb(sbResponseBody);
  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);
  jResp.EmitCompact := False;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  respStatusCode := resp.StatusCode;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('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 := jResp.StringOf('token_type');
  expires_in := jResp.IntOf('expires_in');
  access_token := jResp.StringOf('access_token');
  refresh_token := jResp.StringOf('refresh_token');

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


  http.Free;
  json.Free;
  resp.Free;
  sbResponseBody.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.