(Delphi ActiveX) Amazon Glacier Set Vault Access Policy

Demonstrates how to set an access policy for a vault (will overwrite the existing policy).

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;
jsonPolicy: TChilkatJsonObject;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: 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 in the desired region.
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('glacier.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

// Provide AWS credentials.
authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';
authAws.ServiceName := 'glacier';
authAws.Region := 'us-west-2';

success := rest.SetAuthAws(authAws.ControlInterface);

// --------------------------------------------------------------------------
// Note: The above REST connection and setup of the AWS credentials
// can be done once.  After connecting, any number of REST calls can be made.
// The "auto reconnect" property passed to rest.Connect indicates that if
// the connection is lost, a REST method call will automatically reconnect
// if needed.
// --------------------------------------------------------------------------

// For more information, see Glacier Set Vault Access Policy Reference Documentation
// 
rest.AddHeader('x-amz-glacier-version','2012-06-01');

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

// {
//   "Version": "2012-10-17",
//   "Statement": [
//     {
//       "Sid": "Define-owner-access-rights",
//       "Effect": "Allow",
//       "Principal": {
//         "AWS": "arn:aws:iam::AWS_ACCOUNT_ID:root"
//       },
//       "Action": "glacier:DeleteArchive",
//       "Resource": "arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat"
//     }
//   ]
// }

jsonPolicy := TChilkatJsonObject.Create(Self);
jsonPolicy.UpdateString('Version','2012-10-17');
jsonPolicy.UpdateString('Statement[0].Sid','Define-owner-access-rights');
jsonPolicy.UpdateString('Statement[0].Effect','Allow');
jsonPolicy.UpdateString('Statement[0].Principal.AWS','arn:aws:iam::AWS_ACCOUNT_ID:root');
jsonPolicy.UpdateString('Statement[0].Action','glacier:DeleteArchive');
// Notice here the name of the vault: "chilkat".  Change it to your vault name.  Also use your actual AWS account ID.
jsonPolicy.UpdateString('Statement[0].Resource','arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat');

// Wrap the above JSON in this JSON:

// {
//    "Policy": "{  ... the above JSON ... }"
// }
json := TChilkatJsonObject.Create(Self);
json.UpdateString('Policy',jsonPolicy.Emit());

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('PUT','/AWS_ACCOUNT_ID/vaults/chilkat/access-policy',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

respStatusCode := rest.ResponseStatusCode;
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

// Success is indicated by a 204 response status with an empty response body.
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
end;