Delphi DLL

Amazon Cognito - Admin Create User

See more Amazon Cognito Examples

Creates a new user in the specified user pool. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, AuthAws, Rest, JsonObject, StringBuilder;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
authAws: HCkAuthAws;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jsonResponse: HCkJsonObject;
Name: PWideChar;
Value: PWideChar;
UserEnabled: Boolean;
UserUserCreateDate: PWideChar;
UserUserLastModifiedDate: PWideChar;
UserUserStatus: PWideChar;
UserUsername: PWideChar;
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 := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'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.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'cognito-idp');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://cognito-idp.us-west-2.amazonaws.com/
bTls := True;
port := 443;
bAutoReconnect := True;
// Use the same region as specified above.
success := CkRest_Connect(rest,'cognito-idp.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    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 := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'DesiredDeliveryMediums[0]','SMS');
CkJsonObject_UpdateString(json,'DesiredDeliveryMediums[1]','EMAIL');
CkJsonObject_UpdateString(json,'UserAttributes[0].Name','phone_number');
CkJsonObject_UpdateString(json,'UserAttributes[0].Value','+16302581871');
CkJsonObject_UpdateString(json,'UserAttributes[1].Name','email');
CkJsonObject_UpdateString(json,'UserAttributes[1].Value','admin@chilkatsoft.com');
CkJsonObject_UpdateString(json,'UserPoolId','us-west-2_yt6WzO3SA');
CkJsonObject_UpdateString(json,'Username','Matt');

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

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jsonResponse := CkJsonObject_Create();
CkJsonObject_LoadSb(jsonResponse,sbResponseBody);

CkJsonObject_putEmitCompact(jsonResponse,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));

// 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 := CkJsonObject_BoolOf(jsonResponse,'User.Enabled');
UserUserCreateDate := CkJsonObject__stringOf(jsonResponse,'User.UserCreateDate');
UserUserLastModifiedDate := CkJsonObject__stringOf(jsonResponse,'User.UserLastModifiedDate');
UserUserStatus := CkJsonObject__stringOf(jsonResponse,'User.UserStatus');
UserUsername := CkJsonObject__stringOf(jsonResponse,'User.Username');
i := 0;
count_i := CkJsonObject_SizeOfArray(jsonResponse,'User.Attributes');
while i < count_i do
  begin
    CkJsonObject_putI(jsonResponse,i);
    Name := CkJsonObject__stringOf(jsonResponse,'User.Attributes[i].Name');
    Value := CkJsonObject__stringOf(jsonResponse,'User.Attributes[i].Value');
    i := i + 1;
  end;

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jsonResponse);

end;