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(Visual FoxPro) Sign SOAP XML using a wsse:SecurityTokenReference

This example signs SOAP XML such that the KeyInfo in the XML Signature is a wsse:SecurityTokenReference to the X.509 certificate embedded elsewhere in the SOAP XML.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loSbXml
LOCAL loHttp
LOCAL lnSuccess
LOCAL loPfxData
LOCAL loPfx
LOCAL lcPassword
LOCAL loCert
LOCAL loBdCert
LOCAL lnNumReplaced
LOCAL loRefXml
LOCAL loGen

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

* To begin, we'll need a PFX containing a certificate and private key, and the SOAP XML to be signed.
* Chilkat provides sample data at chilkatsoft.com and chilkatdownload.com, and our first step is to download.

* -------------------------------------------------------------------------
* Step 1: Get the SOAP XML template to be signed.
* 
loSbXml = CreateObject('Chilkat_9_5_0.StringBuilder')

loHttp = CreateObject('Chilkat_9_5_0.Http')
lnSuccess = loHttp.QuickGetSb("https://www.chilkatsoft.com/exampleData/wssSoapTemplate.xml",loSbXml)
IF (lnSuccess <> 1) THEN
    ? loHttp.LastErrorText
    RELEASE loSbXml
    RELEASE loHttp
    CANCEL
ENDIF

* The SOAP XML template contains this:

* <?xml version="1.0" encoding="UTF8"?>
* <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
* <SOAP-ENV:Header>
*  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
*                 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"
*                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
*  <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#X509"
*                wsu:Id="x509cert00">BASE64_CERT</wsse:BinarySecurityToken>
*  </wsse:Security>
* </SOAP-ENV:Header>
* <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
*  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
* </SOAP-ENV:Body>
* </SOAP-ENV:Envelope>
* 

* -------------------------------------------------------------------------
* Step 2: Get the test certificate and private key stored in a .pfx
* 
loPfxData = CreateObject('Chilkat_9_5_0.BinData')
lnSuccess = loHttp.QuickGetBd("http://chilkatdownload.com/example_data/testcertificate.pfx",loPfxData)
IF (lnSuccess <> 1) THEN
    ? loHttp.LastErrorText
    RELEASE loSbXml
    RELEASE loHttp
    RELEASE loPfxData
    CANCEL
ENDIF

loPfx = CreateObject('Chilkat_9_5_0.Pfx')
lcPassword = "test"
lnSuccess = loPfx.LoadPfxEncoded(loPfxData.GetEncoded("base64"),"base64",lcPassword)
IF (lnSuccess <> 1) THEN
    ? loPfx.LastErrorText
    RELEASE loSbXml
    RELEASE loHttp
    RELEASE loPfxData
    RELEASE loPfx
    CANCEL
ENDIF

* -------------------------------------------------------------------------
* Step 3: Get the certificate from the PFX.
* 
loCert = loPfx.GetCert(0)
IF (loPfx.LastMethodSuccess <> 1) THEN
    ? loPfx.LastErrorText
    RELEASE loSbXml
    RELEASE loHttp
    RELEASE loPfxData
    RELEASE loPfx
    CANCEL
ENDIF

* -------------------------------------------------------------------------
* Step 4: Replace "BASE64_CERT" with the actual base64 encoded certificate.
* 
loBdCert = CreateObject('Chilkat_9_5_0.BinData')
loCert.ExportCertDerBd(loBdCert)

lnNumReplaced = loSbXml.Replace("BASE64_CERT",loBdCert.GetEncoded("base64"))

* -------------------------------------------------------------------------
* Step 5: Build the wsse:SecurityTokenReference XML.
* This will be the CustomKeyInfoXml (see below).
* 
loRefXml = CreateObject('Chilkat_9_5_0.Xml')
loRefXml.Tag = "wsse:SecurityTokenReference"
loRefXml.UpdateAttrAt("wsse:Reference",1,"URI","#x509cert00")
loRefXml.UpdateAttrAt("wsse:Reference",1,"ValueType","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509")

* The above lines of code builds the following XML:

* 	<wsse:SecurityTokenReference>
* 	    <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
* 	</wsse:SecurityTokenReference>
* 
loRefXml.EmitXmlDecl = 0
? loRefXml.GetXml()

* -------------------------------------------------------------------------
* Step 6: Setup the XML Digital Signature Generator and add the XML Signature.
* 
loGen = CreateObject('Chilkat_9_5_0.XmlDSigGen')
loGen.SigLocation = "SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security"
loGen.SignedInfoPrefixList = "wsse SOAP-ENV"
loGen.AddSameDocRef("TheBody","sha1","EXCL_C14N","","")
loGen.KeyInfoType = "Custom"
loRefXml.EmitCompact = 1

loGen.CustomKeyInfoXml = loRefXml.GetXml()
loGen.SetX509Cert(loCert,1)
RELEASE loCert

lnSuccess = loGen.CreateXmlDSigSb(loSbXml)
IF (lnSuccess <> 1) THEN
    ? loGen.LastErrorText
    RELEASE loSbXml
    RELEASE loHttp
    RELEASE loPfxData
    RELEASE loPfx
    RELEASE loBdCert
    RELEASE loRefXml
    RELEASE loGen
    CANCEL
ENDIF

* Examine the signed XML
? loSbXml.GetAsString()

* Pretty-printed, the XML signature looks as shown here: 
* (The exact XML signature is shown below. Pretty-printing invalidates the XML signature.)

* <?xml version="1.0" encoding="UTF8" ?>
* <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
*     <SOAP-ENV:Header>
*         <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#" 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" xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
*             <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#X509" wsu:Id="x509cert00">MIID...</wsse:BinarySecurityToken>
*             <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
*                 <ds:SignedInfo>
*                     <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
*                         <InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV" />
*                     </ds:CanonicalizationMethod>
*                     <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
*                     <ds:Reference URI="#TheBody">
*                         <ds:Transforms>
*                             <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
*                         </ds:Transforms>
*                         <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
*                         <ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue>
*                     </ds:Reference>
*                 </ds:SignedInfo>
*                 <ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue>
*                 <ds:KeyInfo>
*                     <wsse:SecurityTokenReference>
*                         <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
*                     </wsse:SecurityTokenReference>
*                 </ds:KeyInfo>
*             </ds:Signature>
*         </wsse:Security>
*     </SOAP-ENV:Header>
*     <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
*         <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com" />
*     </SOAP-ENV:Body>
* </SOAP-ENV:Envelope>
* 

* --------------------------------------------------------------------------------------------
* This is the XML signature, which is also available at https://www.chilkatsoft.com/exampleData/signedSoapBinarySecurityToken.xml
* 

* <?xml version="1.0" encoding="UTF8"?>
* <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
* <SOAP-ENV:Header>
*  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
*                 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"
*                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
*  <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#X509"
*                wsu:Id="x509cert00">MIIDg...</wsse:BinarySecurityToken>
*  <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"><InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV"/></ds:CanonicalizationMethod><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference URI="#TheBody"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/><ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue><ds:KeyInfo><wsse:SecurityTokenReference><wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" /></wsse:SecurityTokenReference></ds:KeyInfo></ds:Signature></wsse:Security>
* </SOAP-ENV:Header>
* <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
*  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
* </SOAP-ENV:Body>
* </SOAP-ENV:Envelope>
* 

RELEASE loSbXml
RELEASE loHttp
RELEASE loPfxData
RELEASE loPfx
RELEASE loBdCert
RELEASE loRefXml
RELEASE loGen


 

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