(Objective-C) Belgium eHealth Platform - checkAccessControl

See more Belgian eHealth Platform Examples

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

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#import <CkoCert.h>
#import <CkoXml.h>
#import <CkoBinData.h>
#import <CkoDateTime.h>
#import <CkoXmlDSigGen.h>
#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <CkoHttpResponse.h>

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

BOOL success = YES;

// 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..
CkoCert *cert = [[CkoCert alloc] init];
success = [cert LoadPfxFile: @"SSIN=12345678.acc.p12" password: @"p12_password"];
if (success != YES) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

// Create the XML to be signed...
CkoXml *xmlToSign = [[CkoXml alloc] init];
xmlToSign.Tag = @"soapenv:Envelope";
[xmlToSign AddAttribute: @"xmlns:soapenv" value: @"http://schemas.xmlsoap.org/soap/envelope/"];
[xmlToSign AddAttribute: @"xmlns:urn" value: @"urn:be:fgov:ehealth:platformintegrationconsumertest:v1"];
[xmlToSign AddAttribute: @"xmlns:urn1" value: @"urn:be:fgov:ehealth:platformintegrationconsumertest:types:v1"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security" autoCreate: YES attrName: @"xmlns:wsse" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security" autoCreate: YES attrName: @"xmlns:wsu" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" autoCreate: YES attrName: @"EncodingType" attrValue: @"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" autoCreate: YES attrName: @"ValueType" attrValue: @"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" autoCreate: YES attrName: @"wsu:Id" attrValue: @"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"
// ---------------------------------------------------------------------------------------------------------------

CkoBinData *bdCert = [[CkoBinData alloc] init];
[cert ExportCertDerBd: bdCert];

[xmlToSign UpdateChildContent: @"soapenv:Header|wsse:Security|wsse:BinarySecurityToken" value: [bdCert GetEncoded: @"base64"]];
[xmlToSign UpdateAttrAt: @"soapenv:Header|wsse:Security|wsu:Timestamp" autoCreate: YES attrName: @"wsu:Id" attrValue: @"TS-FC77E2C72083DA8E0F16711753508042855"];

CkoDateTime *dt = [[CkoDateTime alloc] init];
[dt SetFromCurrentSystemTime];
[xmlToSign UpdateChildContent: @"soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Created" value: [dt GetAsTimestamp: NO]];
[dt AddSeconds: [NSNumber numberWithInt: 3600]];
[xmlToSign UpdateChildContent: @"soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Expires" value: [dt GetAsTimestamp: NO]];
[dt AddSeconds: [NSNumber numberWithInt: -3600]];

[xmlToSign UpdateAttrAt: @"soapenv:Body" autoCreate: YES attrName: @"wsu:Id" attrValue: @"id-FC77E2C72083DA8E0F16711753508182859"];
[xmlToSign UpdateAttrAt: @"soapenv:Body" autoCreate: YES attrName: @"xmlns:wsu" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"];
[xmlToSign UpdateChildContent: @"soapenv:Body|urn:CheckAccessControlRequest|urn1:Message" value: @"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" value: [dt GetAsTimestamp: YES]];

CkoXmlDSigGen *gen = [[CkoXmlDSigGen alloc] init];

gen.SigLocation = @"soapenv:Envelope|soapenv:Header|wsse:Security|wsse:BinarySecurityToken";
gen.SigLocationMod = [NSNumber numberWithInt: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" digestMethod: @"sha256" canonMethod: @"EXCL_C14N" prefixList: @"wsse soapenv urn urn1" refType: @""];

// -------- Reference 2 --------
[gen AddSameDocRef: @"id-FC77E2C72083DA8E0F16711753508182859" digestMethod: @"sha256" canonMethod: @"EXCL_C14N" prefixList: @"urn urn1" refType: @""];

// -------- Reference 3 --------
[gen AddSameDocRef: @"X509-FC77E2C72083DA8E0F16711753508182856" digestMethod: @"sha256" canonMethod: @"EXCL_C14N" prefixList: @"_EMPTY_" refType: @""];

[gen SetX509Cert: cert usePrivateKey: YES];

gen.KeyInfoType = @"Custom";

// Create the custom KeyInfo XML..
CkoXml *xmlCustomKeyInfo = [[CkoXml alloc] init];
xmlCustomKeyInfo.Tag = @"wsse:SecurityTokenReference";
[xmlCustomKeyInfo AddAttribute: @"wsu:Id" value: @"STR-FC77E2C72083DA8E0F16711753508182858"];
[xmlCustomKeyInfo UpdateAttrAt: @"wsse:Reference" autoCreate: YES attrName: @"URI" attrValue: @"#X509-FC77E2C72083DA8E0F16711753508182856"];
[xmlCustomKeyInfo UpdateAttrAt: @"wsse:Reference" autoCreate: YES attrName: @"ValueType" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3"];

xmlCustomKeyInfo.EmitXmlDecl = NO;
gen.CustomKeyInfoXml = [xmlCustomKeyInfo GetXml];

// Load XML to be signed...
CkoStringBuilder *sbXml = [[CkoStringBuilder alloc] init];
[xmlToSign GetXmlSb: sbXml];

gen.Behaviors = @"IndentedSignature";

// Sign the XML...
success = [gen CreateXmlDSigSb: sbXml];
if (success != YES) {
    NSLog(@"%@",gen.LastErrorText);
    return;
}

// -----------------------------------------------
// Send the signed XML...
CkoHttp *http = [[CkoHttp alloc] init];

success = [http SetSslClientCert: cert];
if (success != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

[http SetRequestHeader: @"Content-Type" value: @"text/xml"];

// Change to services.ehealth.fgov.be for the production environment.
CkoHttpResponse *resp = [http PostXml: @"https://services-acpt.ehealth.fgov.be/PlatformIntegrationConsumerTest/v1" xmlDoc: [sbXml GetAsString] charset: @"utf-8"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%@",resp.BodyStr);
NSLog(@"%@%d",@"response status code = ",[resp.StatusCode intValue]);

// 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>