Pascal (Lazarus/Delphi)

Amazon Cognito - Admin Create User

See more Amazon Cognito Examples

Creates a new user in the specified user pool. 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.AuthAws,
  Chilkat.Rest,
  Chilkat.JsonObject,
  Chilkat.StringBuilder;

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

procedure RunDemo;
var
  success: Boolean;
  rest: TRest;
  authAws: TAuthAws;
  bTls: Boolean;
  port: Integer;
  bAutoReconnect: Boolean;
  json: TJsonObject;
  sbRequestBody: TStringBuilder;
  sbResponseBody: TStringBuilder;
  respStatusCode: Integer;
  jsonResponse: TJsonObject;
  Name: string;
  Value: string;
  UserEnabled: Boolean;
  UserUserCreateDate: string;
  UserUserLastModifiedDate: string;
  UserUserStatus: string;
  UserUsername: string;
  i: Integer;
  count_i: Integer;

begin
  success := False;

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

  rest := TRest.Create;

  authAws := TAuthAws.Create;
  authAws.AccessKey := 'AWS_ACCESS_KEY';
  authAws.SecretKey := 'AWS_SECRET_KEY';
  //  Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
  authAws.Region := 'us-west-2';
  authAws.ServiceName := 'cognito-idp';
  //  SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
  rest.SetAuthAws(authAws);

  //  URL: https://cognito-idp.us-west-2.amazonaws.com/
  bTls := True;
  port := 443;
  bAutoReconnect := True;
  //  Use the same region as specified above.
  success := rest.Connect('cognito-idp.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);
  if (success <> True) then
    begin
      WriteLn('ConnectFailReason: ' + rest.ConnectFailReason);
      WriteLn(rest.LastErrorText);
      Exit;
    end;

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

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

  //  {
  //      "DesiredDeliveryMediums" : [ "SMS", "EMAIL" ],	
  //      "UserAttributes": [
  //           {
  //             "Name": "phone_number",
  //             "Value": "+16302581871"
  //           },
  //           {
  //             "Name": "email",
  //             "Value": "admin@chilkatsoft.com"
  //           }
  //         ],
  //       "UserPoolId": "us-west-2_yt6WzO3SA",
  //       "Username": "Matt"
  //  }
  //  

  json := TJsonObject.Create;
  json.UpdateString('DesiredDeliveryMediums[0]','SMS');
  json.UpdateString('DesiredDeliveryMediums[1]','EMAIL');
  json.UpdateString('UserAttributes[0].Name','phone_number');
  json.UpdateString('UserAttributes[0].Value','+16302581871');
  json.UpdateString('UserAttributes[1].Name','email');
  json.UpdateString('UserAttributes[1].Value','admin@chilkatsoft.com');
  json.UpdateString('UserPoolId','us-west-2_yt6WzO3SA');
  json.UpdateString('Username','Matt');

  rest.AddHeader('Content-Type','application/x-amz-json-1.0');
  rest.AddHeader('X-Amz-Target','AWSCognitoIdentityProviderService.AdminCreateUser');
  rest.AddHeader('Accept-Encoding','identity');

  sbRequestBody := TStringBuilder.Create;
  json.EmitSb(sbRequestBody);
  sbResponseBody := TStringBuilder.Create;
  success := rest.FullRequestSb('POST','/',sbRequestBody,sbResponseBody);
  if (success <> True) then
    begin
      WriteLn(rest.LastErrorText);
      Exit;
    end;
  respStatusCode := rest.ResponseStatusCode;
  WriteLn('response status code = ' + respStatusCode);
  if (respStatusCode <> 200) then
    begin
      WriteLn('Response Status Code = ' + respStatusCode);
      WriteLn('Response Header:');
      WriteLn(rest.ResponseHeader);
      WriteLn('Response Body:');
      WriteLn(sbResponseBody.GetAsString());
      Exit;
    end;

  jsonResponse := TJsonObject.Create;
  jsonResponse.LoadSb(sbResponseBody);

  jsonResponse.EmitCompact := False;
  WriteLn(jsonResponse.Emit());

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

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

  //  {
  //    "User": {
  //      "Attributes": [
  //        {
  //          "Name": "sub",
  //          "Value": "dcd3db0c-32cf-4a33-a6b2-173653f7c0e7"
  //        },
  //        {
  //          "Name": "phone_number",
  //          "Value": "+16302581871"
  //        },
  //        {
  //          "Name": "email",
  //          "Value": "admin@chilkatsoft.com"
  //        }
  //      ],
  //      "Enabled": true,
  //      "UserCreateDate": 1.636407153801E9,
  //      "UserLastModifiedDate": 1.636407153801E9,
  //      "UserStatus": "FORCE_CHANGE_PASSWORD",
  //      "Username": "matt"
  //    }
  //  }

  UserEnabled := jsonResponse.BoolOf('User.Enabled');
  UserUserCreateDate := jsonResponse.StringOf('User.UserCreateDate');
  UserUserLastModifiedDate := jsonResponse.StringOf('User.UserLastModifiedDate');
  UserUserStatus := jsonResponse.StringOf('User.UserStatus');
  UserUsername := jsonResponse.StringOf('User.Username');
  i := 0;
  count_i := jsonResponse.SizeOfArray('User.Attributes');
  while i < count_i do
    begin
      jsonResponse.I := i;
      Name := jsonResponse.StringOf('User.Attributes[i].Name');
      Value := jsonResponse.StringOf('User.Attributes[i].Value');
      i := i + 1;
    end;



  rest.Free;
  authAws.Free;
  json.Free;
  sbRequestBody.Free;
  sbResponseBody.Free;
  jsonResponse.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.