(Delphi ActiveX) AWS KMS List Keys

See more AWS KMS Examples

Gets a list of all KMS keys in the caller's AWS account and Region.

For more information, see https://docs.aws.amazon.com/kms/latest/APIReference/API_ListKeys.html

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
success: Integer;
authAws: TChilkatAuthAws;
strJson: WideString;
json: TChilkatJsonObject;
KeyArn: WideString;
KeyId: WideString;
KeyCount: Integer;
Truncated: Integer;
i: Integer;
count_i: Integer;

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

rest := TChilkatRest.Create(Self);

// Connect to the Amazon AWS REST server.
// Make sure to use the region that is correct for you.
// such as https://kms.us-west-2.amazonaws.com/
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('kms.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

// Provide AWS credentials for the REST call.
authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';
// the region should match our URL above..
authAws.Region := 'us-west-2';
authAws.ServiceName := 'kms';

rest.SetAuthAws(authAws.ControlInterface);

rest.AddHeader('X-Amz-Target','TrentService.ListKeys');
rest.AddHeader('Content-Type','application/x-amz-json-1.1');

strJson := rest.FullRequestString('POST','/','{}');
if (rest.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('response status code = ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('response status text = ' + rest.ResponseStatusText);
    Memo1.Lines.Add('response header: ' + rest.ResponseHeader);
    Memo1.Lines.Add('response body: ' + strJson);
    Exit;
  end;

// Examine the successful JSON response (shown below)
json := TChilkatJsonObject.Create(Self);
json.Load(strJson);
json.EmitCompact := 0;

Memo1.Lines.Add(json.Emit());

// Sample output:

// {
//   "KeyCount": 4,
//   "Keys": [
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/082f8520-7afc-4a09-b703-89b7243072e5",
//       "KeyId": "082f8520-7afc-4a09-b703-89b7243072e5"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/17432483-ff08-4950-93d3-f46ebb5e17d1",
//       "KeyId": "17432483-ff08-4950-93d3-f46ebb5e17d1"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/1b0e5b3c-0675-4510-adb6-a75b40a93da0",
//       "KeyId": "1b0e5b3c-0675-4510-adb6-a75b40a93da0"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/265e3993-428b-4581-9466-b1030a53062f",
//       "KeyId": "265e3993-428b-4581-9466-b1030a53062f"
//     },
//   ],
//   "Truncated": false
// }

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

KeyCount := json.IntOf('KeyCount');
Truncated := json.BoolOf('Truncated');
i := 0;
count_i := json.SizeOfArray('Keys');
while i < count_i do
  begin
    json.I := i;
    KeyArn := json.StringOf('Keys[i].KeyArn');
    KeyId := json.StringOf('Keys[i].KeyId');
    i := i + 1;
  end;
end;