Chilkat Online Tools

ReEncrypt delphiAx Example

AWS Key Management Service

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
CiphertextBlob: Integer;
DestinationEncryptionAlgorithm: WideString;
KeyId: WideString;
SourceEncryptionAlgorithm: WideString;
SourceKeyId: WideString;

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

rest := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := '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.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'kms';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://kms.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('kms.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

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

json := TChilkatJsonObject.Create(Self);
json.UpdateInt('CiphertextBlob',123);
json.UpdateString('DestinationEncryptionAlgorithm','string');
json.UpdateString('DestinationEncryptionContext.string','string');
json.UpdateString('DestinationKeyId','string');
json.UpdateString('GrantTokens[0]','string');
json.UpdateString('SourceEncryptionAlgorithm','string');
json.UpdateString('SourceEncryptionContext.string','string');
json.UpdateString('SourceKeyId','string');

// The JSON request body created by the above code:

// {
//   "CiphertextBlob": blob,
//   "DestinationEncryptionAlgorithm": "string",
//   "DestinationEncryptionContext": {
//     "string": "string"
//   },
//   "DestinationKeyId": "string",
//   "GrantTokens": [
//     "string"
//   ],
//   "SourceEncryptionAlgorithm": "string",
//   "SourceEncryptionContext": {
//     "string": "string"
//   },
//   "SourceKeyId": "string"
// }

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

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

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

CiphertextBlob := jResp.IntOf('CiphertextBlob');
DestinationEncryptionAlgorithm := jResp.StringOf('DestinationEncryptionAlgorithm');
KeyId := jResp.StringOf('KeyId');
SourceEncryptionAlgorithm := jResp.StringOf('SourceEncryptionAlgorithm');
SourceKeyId := jResp.StringOf('SourceKeyId');

// A sample JSON response body parsed by the above code:

// {
//   "CiphertextBlob": blob,
//   "DestinationEncryptionAlgorithm": "string",
//   "KeyId": "string",
//   "SourceEncryptionAlgorithm": "string",
//   "SourceKeyId": "string"
// }