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(CkPython) Sign SOAP XML using a wsse:SecurityTokenReferenceThis 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.
import sys import chilkat # 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. # sbXml = chilkat.CkStringBuilder() http = chilkat.CkHttp() success = http.QuickGetSb("https://www.chilkatsoft.com/exampleData/wssSoapTemplate.xml",sbXml) if (success != True): print(http.lastErrorText()) sys.exit() # 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 # pfxData = chilkat.CkBinData() success = http.QuickGetBd("http://chilkatdownload.com/example_data/testcertificate.pfx",pfxData) if (success != True): print(http.lastErrorText()) sys.exit() pfx = chilkat.CkPfx() password = "test" success = pfx.LoadPfxEncoded(pfxData.getEncoded("base64"),"base64",password) if (success != True): print(pfx.lastErrorText()) sys.exit() # ------------------------------------------------------------------------- # Step 3: Get the certificate from the PFX. # # cert is a CkCert cert = pfx.GetCert(0) if (pfx.get_LastMethodSuccess() != True): print(pfx.lastErrorText()) sys.exit() # ------------------------------------------------------------------------- # Step 4: Replace "BASE64_CERT" with the actual base64 encoded certificate. # bdCert = chilkat.CkBinData() cert.ExportCertDerBd(bdCert) numReplaced = sbXml.Replace("BASE64_CERT",bdCert.getEncoded("base64")) # ------------------------------------------------------------------------- # Step 5: Build the wsse:SecurityTokenReference XML. # This will be the CustomKeyInfoXml (see below). # refXml = chilkat.CkXml() refXml.put_Tag("wsse:SecurityTokenReference") refXml.UpdateAttrAt("wsse:Reference",True,"URI","#x509cert00") refXml.UpdateAttrAt("wsse:Reference",True,"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> # refXml.put_EmitXmlDecl(False) print(refXml.getXml()) # ------------------------------------------------------------------------- # Step 6: Setup the XML Digital Signature Generator and add the XML Signature. # gen = chilkat.CkXmlDSigGen() gen.put_SigLocation("SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security") gen.put_SignedInfoPrefixList("wsse SOAP-ENV") gen.AddSameDocRef("TheBody","sha1","EXCL_C14N","","") gen.put_KeyInfoType("Custom") refXml.put_EmitCompact(True) gen.put_CustomKeyInfoXml(refXml.getXml()) gen.SetX509Cert(cert,True) success = gen.CreateXmlDSigSb(sbXml) if (success != True): print(gen.lastErrorText()) sys.exit() # Examine the signed XML print(sbXml.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> # |
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