(Delphi ActiveX) Belgium eHealth Platform - checkAccessControl

See more Belgian eHealth Platform Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://www.ehealth.fgov.be/ehealthplatform/nl/beveiliging-van-webservices#1

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
success: Integer;
cert: TChilkatCert;
xmlToSign: TChilkatXml;
bdCert: TChilkatBinData;
dt: TCkDateTime;
gen: TChilkatXmlDSigGen;
xmlCustomKeyInfo: TChilkatXml;
sbXml: TChilkatStringBuilder;
http: TChilkatHttp;
resp: TChilkatHttpResponse;

begin
success := 0;

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

// Provide a certificate + private key.
// Note: If your certificate + private key is located on a hardware token or smartcard, you can call a different function to load from smartcard..
cert := TChilkatCert.Create(Self);
success := cert.LoadPfxFile('SSIN=12345678.acc.p12','p12_password');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

// Create the XML to be signed...
xmlToSign := TChilkatXml.Create(Self);
xmlToSign.Tag := 'soapenv:Envelope';
xmlToSign.AddAttribute('xmlns:soapenv','http://schemas.xmlsoap.org/soap/envelope/');
xmlToSign.AddAttribute('xmlns:urn','urn:be:fgov:ehealth:platformintegrationconsumertest:v1');
xmlToSign.AddAttribute('xmlns:urn1','urn:be:fgov:ehealth:platformintegrationconsumertest:types:v1');
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security',1,'xmlns:wsse','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd');
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security',1,'xmlns:wsu','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd');
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security|wsse:BinarySecurityToken',1,'EncodingType','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary');
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security|wsse:BinarySecurityToken',1,'ValueType','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3');
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security|wsse:BinarySecurityToken',1,'wsu:Id','X509-FC77E2C72083DA8E0F16711753508182856');

// ---------------------------------------------------------------------------------------------------------------
// A note about the Id's, such as X509-FC77E2C72083DA8E0F16711753508182856, TS-FC77E2C72083DA8E0F16711753508042855, etc.
// These Id's simply need to be unique within the XML document.  You don't need to generate new Id's every time.
// You can use the same Id's in each XML document that is submitted. The purpose of each Id is to
// match the XMLDsig Reference to the element in XML being referenced. 
// In other words, you could use the Id's "mickey_mouse", "donald_duck", and "goofy", and it would work perfectly OK,
// as long as no other XML elements also use the Id's "mickey_mouse", "donald_duck", or "goofy"
// ---------------------------------------------------------------------------------------------------------------

bdCert := TChilkatBinData.Create(Self);
cert.ExportCertDerBd(bdCert.ControlInterface);

xmlToSign.UpdateChildContent('soapenv:Header|wsse:Security|wsse:BinarySecurityToken',bdCert.GetEncoded('base64'));
xmlToSign.UpdateAttrAt('soapenv:Header|wsse:Security|wsu:Timestamp',1,'wsu:Id','TS-FC77E2C72083DA8E0F16711753508042855');

dt := TCkDateTime.Create(Self);
dt.SetFromCurrentSystemTime();
xmlToSign.UpdateChildContent('soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Created',dt.GetAsTimestamp(0));
dt.AddSeconds(3600);
xmlToSign.UpdateChildContent('soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Expires',dt.GetAsTimestamp(0));
dt.AddSeconds(-3600);

xmlToSign.UpdateAttrAt('soapenv:Body',1,'wsu:Id','id-FC77E2C72083DA8E0F16711753508182859');
xmlToSign.UpdateAttrAt('soapenv:Body',1,'xmlns:wsu','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd');
xmlToSign.UpdateChildContent('soapenv:Body|urn:CheckAccessControlRequest|urn1:Message','Hello World');

// Create a timestamp with the current date/time in the following format: 2014-12-30T15:29:03.157+01:00

xmlToSign.UpdateChildContent('soapenv:Body|urn:CheckAccessControlRequest|urn1:Timestamp',dt.GetAsTimestamp(1));

gen := TChilkatXmlDSigGen.Create(Self);

gen.SigLocation := 'soapenv:Envelope|soapenv:Header|wsse:Security|wsse:BinarySecurityToken';
gen.SigLocationMod := 1;
gen.SigId := 'SIG-FC77E2C72083DA8E0F16711753508252860';
gen.SigNamespacePrefix := 'ds';
gen.SigNamespaceUri := 'http://www.w3.org/2000/09/xmldsig#';
gen.SignedInfoPrefixList := 'soapenv urn urn1';
gen.IncNamespacePrefix := 'ec';
gen.IncNamespaceUri := 'http://www.w3.org/2001/10/xml-exc-c14n#';
gen.SignedInfoCanonAlg := 'EXCL_C14N';
gen.SignedInfoDigestMethod := 'sha256';

// Set the KeyInfoId before adding references..
gen.KeyInfoId := 'KI-FC77E2C72083DA8E0F16711753508182857';

// -------- Reference 1 --------
gen.AddSameDocRef('TS-FC77E2C72083DA8E0F16711753508042855','sha256','EXCL_C14N','wsse soapenv urn urn1','');

// -------- Reference 2 --------
gen.AddSameDocRef('id-FC77E2C72083DA8E0F16711753508182859','sha256','EXCL_C14N','urn urn1','');

// -------- Reference 3 --------
gen.AddSameDocRef('X509-FC77E2C72083DA8E0F16711753508182856','sha256','EXCL_C14N','_EMPTY_','');

gen.SetX509Cert(cert.ControlInterface,1);

gen.KeyInfoType := 'Custom';

// Create the custom KeyInfo XML..
xmlCustomKeyInfo := TChilkatXml.Create(Self);
xmlCustomKeyInfo.Tag := 'wsse:SecurityTokenReference';
xmlCustomKeyInfo.AddAttribute('wsu:Id','STR-FC77E2C72083DA8E0F16711753508182858');
xmlCustomKeyInfo.UpdateAttrAt('wsse:Reference',1,'URI','#X509-FC77E2C72083DA8E0F16711753508182856');
xmlCustomKeyInfo.UpdateAttrAt('wsse:Reference',1,'ValueType','http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3');

xmlCustomKeyInfo.EmitXmlDecl := 0;
gen.CustomKeyInfoXml := xmlCustomKeyInfo.GetXml();

// Load XML to be signed...
sbXml := TChilkatStringBuilder.Create(Self);
xmlToSign.GetXmlSb(sbXml.ControlInterface);

gen.Behaviors := 'IndentedSignature';

// Sign the XML...
success := gen.CreateXmlDSigSb(sbXml.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(gen.LastErrorText);
    Exit;
  end;

// -----------------------------------------------
// Send the signed XML...
http := TChilkatHttp.Create(Self);

success := http.SetSslClientCert(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

http.SetRequestHeader('Content-Type','text/xml');

// Change to services.ehealth.fgov.be for the production environment.
resp := TChilkatHttpResponse.Create(Self);
success := http.HttpSb('POST','https://services-acpt.ehealth.fgov.be/PlatformIntegrationConsumerTest/v1',sbXml.ControlInterface,'utf-8','application/xml',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(resp.BodyStr);
Memo1.Lines.Add('response status code = ' + IntToStr(resp.StatusCode));

// A successful response is a 200 status code, with this sample response:

// <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
//    <soapenv:Header xmlns:v1="urn:be:fgov:ehealth:platformintegrationconsumertest:v1" xmlns:v11="urn:be:fgov:ehealth:platformintegrationconsumertest:types:v1"/>
//    <soapenv:Body xmlns:ic="urn:be:fgov:ehealth:platformintegrationconsumertest:v1" xmlns:type="urn:be:fgov:ehealth:platformintegrationconsumertest:types:v1">
//       <ic:CheckAccessControlResponse>
//          <type:Message>Hello World</type:Message>
//          <type:Timestamp>2023-09-28T22:17:26.643+02:00</type:Timestamp>
//          <type:AuthenticatedConsumer>CN="SSIN=aaaaaa", OU=eHealth-platform Belgium, OU=bbbb, OU="SSIN=aaaaaaa", O=Federal Government, C=BE</type:AuthenticatedConsumer>
//       </ic:CheckAccessControlResponse>
//    </soapenv:Body>
// </soapenv:Envelope>
end;