Pascal (Lazarus/Delphi)

AWS Secrets Manager - Get Secret Value

See more AWS Secrets Manager Examples

Retrieves the contents of the encrypted fields SecretString or SecretBinary from the specified version of a secret, whichever contains content. 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;
  bTls: Boolean;
  port: Integer;
  bAutoReconnect: Boolean;
  authAws: TAuthAws;
  json: TJsonObject;
  sbRequestBody: TStringBuilder;
  sbResponseBody: TStringBuilder;
  respStatusCode: Integer;
  jResp: TJsonObject;
  ARN: string;
  CreatedDate: string;
  Name: string;
  SecretString: string;
  VersionId: string;

begin
  success := False;

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

  //  Sends the following sample request.
  //  Note: Chilkat will automatically add Content-Length, X-Amz-Date, Accept-Encoding, and Authorization

  //  POST / HTTP/1.1
  //  Host: secretsmanager.region.domain
  //  Accept-Encoding: identity
  //  X-Amz-Target: secretsmanager.GetSecretValue
  //  Content-Type: application/x-amz-json-1.1
  //  X-Amz-Date: <date>
  //  Authorization: AWS4-HMAC-SHA256 Credential=<credentials>,SignedHeaders=<headers>, Signature=<signature>
  //  Content-Length: <payload-size-bytes>
  //  
  //  {
  //    "SecretId": "MyTestDatabaseSecret",
  //  }

  rest := TRest.Create;

  //  Connect to the Amazon AWS REST server.
  //  such as https://secretsmanager.us-west-2.amazonaws.com/
  bTls := True;
  port := 443;
  bAutoReconnect := True;
  success := rest.Connect('secretsmanager.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

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

  rest.SetAuthAws(authAws);

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

  json := TJsonObject.Create;

  json.UpdateString('SecretId','MyTestDatabaseSecret2');

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

  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);

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

  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Status Code = ' + respStatusCode);
      WriteLn('Response Header:');
      WriteLn(rest.ResponseHeader);
      WriteLn('Response Body:');
      WriteLn(jResp.Emit());
      Exit;
    end;

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

  //  Sample response body:

  //  {
  //    "ARN":"arn:aws:secretsmanager:us-west-2:123456789012:secret:MyTestDatabaseSecret-a1b2c3",
  //    "CreatedDate":1.523477145713E9,
  //    "Name":"MyTestDatabaseSecret",
  //    "SecretString":"{\n  \"username\":\"david\",\n  \"password\":\"BnQw&XDWgaEeT9XGTT29\"\n}\n",
  //    "VersionId":"EXAMPLE1-90ab-cdef-fedc-ba987SECRET1"
  //  }

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

  ARN := jResp.StringOf('ARN');
  CreatedDate := jResp.StringOf('CreatedDate');
  Name := jResp.StringOf('Name');
  SecretString := jResp.StringOf('SecretString');
  VersionId := jResp.StringOf('VersionId');


  rest.Free;
  authAws.Free;
  json.Free;
  sbRequestBody.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.