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Objective-C

eHealth.gov.be RequestSecurityToken

Request a security token for use with the eHealth.gov.be SOAP web services.

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Objective-C 
#import <CkoCert.h>
#import <CkoXml.h>
#import <CkoBinData.h>
#import <CkoDateTime.h>
#import <CkoXmlDSigGen.h>
#import <CkoStringBuilder.h>
#import <CkoHttp.h>
#import <NSString.h>
#import <CkoHttpResponse.h>

BOOL success = NO;

// This requires 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..
CkoCert *cert = [[CkoCert alloc] init];
success = [cert LoadPfxFile: @"SSIN=12345678.acc.p12" password: @"p12_password"];
if (success == NO) {
    NSLog(@"%@",cert.LastErrorText);
    return;
}

// Create the following XML to be signed..

// <?xml version="1.0" encoding="UTF-8"?>
// <soapenv:Envelope xmlns:ns="http://docs.oasis-open.org/ws-sx/ws-trust/200512" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
// 	<soapenv:Header>
// 		<wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" 
// 		xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
// 			<wsse:BinarySecurityToken EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" 
// 			    ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" 
// 			    wsu:Id="X509-4A13D668E59AAC4F3816750824965588">{organization certificate}</wsse:BinarySecurityToken>			
// 			<wsu:Timestamp wsu:Id="TS-4A13D668E59AAC4F3816750824965567">
// 				<wsu:Created>2023-02-01T12:42:11.156Z</wsu:Created>
// 				<wsu:Expires>2023-02-01T12:58:51.156Z</wsu:Expires>
// 			</wsu:Timestamp>
// 		</wsse:Security>
// 	</soapenv:Header>
// 	<soapenv:Body wsu:Id="id-4A13D668E59AAC4F38167508249655911" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
// 		<wst:RequestSecurityToken Context="RC-302613de-a809-46b5-931a-0a55bfca5937" 
// 		    xmlns:auth="http://docs.oasis-open.org/wsfed/authorization/200706"
// 		    xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
// 		    xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing"
// 		    xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy"
// 		    xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
// 		    xmlns:wst="http://docs.oasis-open.org/ws-sx/ws-trust/200512">
// 			<wst:TokenType>http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV1.1</wst:TokenType>
// 			<wst:RequestType>http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue</wst:RequestType>
// 			<wst:Claims Dialect="http://docs.oasis-open.org/wsfed/authorization/200706/authclaims">
// 				<auth:ClaimType Uri="urn:be:fgov:kbo-bce:organization:cbe-number">
// 					<auth:Value>{cbenumber}</auth:Value>
// 				</auth:ClaimType>
// 				<auth:ClaimType Uri="urn:be:fgov:ehealth:1.0:certificateholder:enterprise:cbe-number">
// 					<auth:Value>{cbenumber}</auth:Value>
// 				</auth:ClaimType>
// 			</wst:Claims>
// 			<wst:Lifetime>
// 				<wsu:Created>2023-02-01T08:30:10+02:00</wsu:Created>
// 				<wsu:Expires>2023-02-01T09:30:10+02:00</wsu:Expires>
// 			</wst:Lifetime>
// 			<wst:KeyType>http://docs.oasis-open.org/ws-sx/wstrust/200512/PublicKey</wst:KeyType>
// 		</wst:RequestSecurityToken>
// 	</soapenv:Body>
// </soapenv:Envelope>

CkoXml *xmlToSign = [[CkoXml alloc] init];
xmlToSign.Tag = @"soapenv:Envelope";
[xmlToSign AddAttribute: @"xmlns:ns" value: @"http://docs.oasis-open.org/ws-sx/ws-trust/200512"];
[xmlToSign AddAttribute: @"xmlns:soapenv" value: @"http://schemas.xmlsoap.org/soap/envelope/"];
[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: @"X509-4A13D668E59AAC4F3816750824965588"];

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-4A13D668E59AAC4F3816750824965567"];

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: 300]];
[xmlToSign UpdateChildContent: @"soapenv:Header|wsse:Security|wsu:Timestamp|wsu:Expires" value: [dt GetAsTimestamp: NO]];
[dt AddSeconds: [NSNumber numberWithInt: -300]];

[xmlToSign UpdateAttrAt: @"soapenv:Body" autoCreate: YES attrName: @"wsu:Id" attrValue: @"id-4A13D668E59AAC4F38167508249655911"];
[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 UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"Context" attrValue: @"RC-302613de-a809-46b5-931a-0a55bfca5937"];
[xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"xmlns:auth" attrValue: @"http://docs.oasis-open.org/wsfed/authorization/200706"];
[xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"xmlns:ds" attrValue: @"http://www.w3.org/2000/09/xmldsig#"];
[xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"xmlns:wsa" attrValue: @"http://schemas.xmlsoap.org/ws/2004/08/addressing"];
[xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"xmlns:wsp" attrValue: @"http://schemas.xmlsoap.org/ws/2004/09/policy"];
[xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken" 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:Body|wst:RequestSecurityToken" autoCreate: YES attrName: @"xmlns:wst" attrValue: @"http://docs.oasis-open.org/ws-sx/ws-trust/200512"];
[xmlToSign UpdateChildContent: @"soapenv:Body|wst:RequestSecurityToken|wst:TokenType" value: @"http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV1.1"];
[xmlToSign UpdateChildContent: @"soapenv:Body|wst:RequestSecurityToken|wst:RequestType" value: @"http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue"];

success = [xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken|wst:Claims" autoCreate: YES attrName: @"Dialect" attrValue: @"http://docs.oasis-open.org/wsfed/authorization/200706/authclaims"];
success = [xmlToSign UpdateAttrAt: @"soapenv:Body|wst:RequestSecurityToken|wst:Claims|auth:ClaimType[1]" autoCreate: YES attrName: @"Uri" attrValue: @"urn:be:fgov:ehealth:1.0:certificateholder:person:ssin"];

[xmlToSign UpdateChildContent: @"soapenv:Body|wst:RequestSecurityToken|wst:KeyType" value: @"http://docs.oasis-open.org/ws-sx/wstrust/200512/PublicKey"];

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

gen.SigLocation = @"soapenv:Envelope|soapenv:Header|wsse:Security|wsse:BinarySecurityToken";
gen.SigLocationMod = [NSNumber numberWithInt:1];
gen.SigId = @"SIG-4A13D668E59AAC4F38167508249656212";
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-4A13D668E59AAC4F3816750824965589";

// -------- Reference 1 --------
[gen AddSameDocRef: @"TS-4A13D668E59AAC4F3816750824965567" digestMethod: @"sha256" canonMethod: @"EXCL_C14N" prefixList: @"wsse soapenv urn urn1" refType: @""];

// -------- Reference 2 --------
[gen AddSameDocRef: @"id-4A13D668E59AAC4F38167508249655911" digestMethod: @"sha256" canonMethod: @"EXCL_C14N" prefixList: @"urn urn1" refType: @""];

// -------- Reference 3 --------
[gen AddSameDocRef: @"X509-4A13D668E59AAC4F3816750824965588" 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-4A13D668E59AAC4F38167508249655810"];
[xmlCustomKeyInfo UpdateAttrAt: @"wsse:Reference" autoCreate: YES attrName: @"URI" attrValue: @"#X509-4A13D668E59AAC4F3816750824965588"];
[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 == NO) {
    NSLog(@"%@",gen.LastErrorText);
    return;
}

// The sbXml is sent as the HTTP request body below..
NSLog(@"%@",[sbXml GetAsString]);

// -----------------------------------------------------------------------------------------------------------
// Send the SOAP requet to ask the server to issue a security token, which can then be used to access other SOAP services..
CkoHttp *http = [[CkoHttp alloc] init];

success = [http SetSslClientCert: cert];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

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

NSString *url = @"https://services-acpt.ehealth.fgov.be/IAM/SecurityTokenService/v1/RequestSecurityToken";
CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpSb: @"POST" url: url sb: sbXml charset: @"utf-8" contentType: @"application/xml" response: resp];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int responseStatus = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",responseStatus);

// You'll want to check to see if the response status code = 200.
// If not, then the response body contains error information instead of a security token.
// This example will assume we received 200 status code.

NSLog(@"%@",resp.BodyStr);

// The response body contains XML like this:

// <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
//     <SOAP-ENV:Header/>
//     <SOAP-ENV:Body>
//         <wst:RequestSecurityTokenResponse xmlns:wst="http://docs.oasis-open.org/ws-sx/ws-trust/200512" Context="RC-302613de-a809-46b5-931a-0a55bfca5937">
//             <wst:RequestedSecurityToken>
//                 <Assertion xmlns="urn:oasis:names:tc:SAML:1.0:assertion" AssertionID="_3e8ea5c951b2167c274974750ace9b5d" 
// ...
//                 </Assertion>
//             </wst:RequestedSecurityToken>
//         </wst:RequestSecurityTokenResponse>
//     </SOAP-ENV:Body>
// </SOAP-ENV:Envelope>

// The portion of the response from  <Assertion ..> ... </Assertion>  is the SAML security token to be included
// in a subsesquent SOAP request.  It is extremely important to not modify the contents of the security token in any way, including not changing
// whitespace or any formatting.  Therefore, we get the response body exactly as-is, to be used in a SOAP request.

// Copy the response body to a Chilkat BinData object.
CkoBinData *bdSecToken = [[CkoBinData alloc] init];
[resp GetBodyBd: bdSecToken];

// Let's save the bdSecToken to a file, and pick it up in the next example where it is used
// in a SOAP request, such as in this example:  AddressBook Search for Professionals

[bdSecToken WriteFile: @"qa_data/tokens/ehealth-fgov-be-sectoken.xml"];

NSLog(@"%@",@"OK");