Delphi DLL

AWS KMS List Keys

See more AWS KMS Examples

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
authAws: HCkAuthAws;
strJson: PWideChar;
json: HCkJsonObject;
KeyArn: PWideChar;
KeyId: PWideChar;
KeyCount: Integer;
Truncated: Boolean;
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();

// 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 := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'kms.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

// Provide AWS credentials for the REST call.
authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');
// the region should match our URL above..
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'kms');

CkRest_SetAuthAws(rest,authAws);

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

strJson := CkRest__fullRequestString(rest,'POST','/','{}');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

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

// Examine the successful JSON response (shown below)
json := CkJsonObject_Create();
CkJsonObject_Load(json,strJson);
CkJsonObject_putEmitCompact(json,False);

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

// 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 := CkJsonObject_IntOf(json,'KeyCount');
Truncated := CkJsonObject_BoolOf(json,'Truncated');
i := 0;
count_i := CkJsonObject_SizeOfArray(json,'Keys');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    KeyArn := CkJsonObject__stringOf(json,'Keys[i].KeyArn');
    KeyId := CkJsonObject__stringOf(json,'Keys[i].KeyId');
    i := i + 1;
  end;

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);

end;