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(CkPython) Create AuthNRequest with embedded signature (HTTP-POST binding)Demonstrates how to create a SAML AuthNRequest with embedded signature (HTTP-POST binding).
import sys import chilkat # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. # This example will sign the following SAML AuthNRequest: # <samlp:AuthnRequest # xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" # xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" # ID="pfx41d8ef22-e612-8c50-9960-1b16f15741b3" # Version="2.0" ProviderName="SP test" IssueInstant="2014-07-16T23:52:45Z" # Destination="http://idp.example.com/SSOService.php" # ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" # AssertionConsumerServiceURL="http://sp.example.com/demo1/index.php?acs"> # <saml:Issuer>http://sp.example.com/demo1/metadata.php</saml:Issuer> # <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress" AllowCreate="true"/> # <samlp:RequestedAuthnContext Comparison="exact"> # <saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef> # </samlp:RequestedAuthnContext> # </samlp:AuthnRequest> # First we build the XML to be signed. # # Use this online tool to generate the code from sample XML: # Generate Code to Create XML success = True xmlToSign = chilkat.CkXml() xmlToSign.put_Tag("samlp:AuthnRequest") xmlToSign.AddAttribute("xmlns:samlp","urn:oasis:names:tc:SAML:2.0:protocol") xmlToSign.AddAttribute("xmlns:saml","urn:oasis:names:tc:SAML:2.0:assertion") xmlToSign.AddAttribute("ID","pfx41d8ef22-e612-8c50-9960-1b16f15741b3") xmlToSign.AddAttribute("Version","2.0") xmlToSign.AddAttribute("ProviderName","SP test") xmlToSign.AddAttribute("IssueInstant","2014-07-16T23:52:45Z") xmlToSign.AddAttribute("Destination","http://idp.example.com/SSOService.php") xmlToSign.AddAttribute("ProtocolBinding","urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST") xmlToSign.AddAttribute("AssertionConsumerServiceURL","http://sp.example.com/demo1/index.php?acs") xmlToSign.UpdateChildContent("saml:Issuer","http://sp.example.com/demo1/metadata.php") xmlToSign.UpdateAttrAt("samlp:NameIDPolicy",True,"Format","urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress") xmlToSign.UpdateAttrAt("samlp:NameIDPolicy",True,"AllowCreate","true") xmlToSign.UpdateAttrAt("samlp:RequestedAuthnContext",True,"Comparison","exact") xmlToSign.UpdateChildContent("samlp:RequestedAuthnContext|saml:AuthnContextClassRef","urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport") # Also see the online tool to generate the code from sample already-signed XML: # Generate XML Signature Creation Code from an Already-Signed XML Sample gen = chilkat.CkXmlDSigGen() gen.put_SigLocation("samlp:AuthnRequest") gen.put_SigNamespacePrefix("ds") gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#") gen.put_SignedInfoCanonAlg("EXCL_C14N") gen.put_SignedInfoDigestMethod("sha1") # -------- Reference 1 -------- gen.AddSameDocRef("pfx41d8ef22-e612-8c50-9960-1b16f15741b3","sha1","EXCL_C14N","","") # Provide a certificate + private key. (PFX password is test123) cert = chilkat.CkCert() success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") if (success != True): print(cert.lastErrorText()) sys.exit() gen.SetX509Cert(cert,True) gen.put_KeyInfoType("X509Data") gen.put_X509Type("Certificate") # Load XML to be signed... sbXml = chilkat.CkStringBuilder() xmlToSign.GetXmlSb(sbXml) gen.put_Behaviors("IndentedSignature,ForceAddEnvelopedSignatureTransform") # Sign the XML... success = gen.CreateXmlDSigSb(sbXml) if (success != True): print(gen.lastErrorText()) sys.exit() # Save the signed XMl to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",False) # A sample of the signed XML is shown below.. print(sbXml.getAsString()) # ---------------------------------------- # Verify the signature we just produced... verifier = chilkat.CkXmlDSig() success = verifier.LoadSignatureSb(sbXml) if (success != True): print(verifier.lastErrorText()) sys.exit() verified = verifier.VerifySignature(True) if (verified != True): print(verifier.lastErrorText()) sys.exit() print("This signature was successfully verified.") # ----------------------------------------- # Sample output of AuthNRequest signed XML: # (Line-breaks and some indenting added for readability..) # <?xml version="1.0" encoding="utf-8"?> # <samlp:AuthnRequest # xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" # xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" # ID="pfx41d8ef22-e612-8c50-9960-1b16f15741b3" # Version="2.0" ProviderName="SP test" # IssueInstant="2014-07-16T23:52:45Z" # Destination="http://idp.example.com/SSOService.php" # ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" # AssertionConsumerServiceURL="http://sp.example.com/demo1/index.php?acs"> # <saml:Issuer>http://sp.example.com/demo1/metadata.php</saml:Issuer> # <samlp:NameIDPolicy Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress" AllowCreate="true"/> # <samlp:RequestedAuthnContext Comparison="exact"> # <saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef> # </samlp:RequestedAuthnContext> # <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#"/> # <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> # <ds:Reference URI="#pfx41d8ef22-e612-8c50-9960-1b16f15741b3"> # <ds:Transforms> # <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> # <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>5d+/YNShy4qnvZcvik8fHHg2SWQ=</ds:DigestValue> # </ds:Reference> # </ds:SignedInfo> # <ds:SignatureValue>QS16H5...U5LQ==</ds:SignatureValue> # <ds:KeyInfo> # <ds:X509Data> # <ds:X509Certificate>MIIF...tjlF4=</ds:X509Certificate> # </ds:X509Data> # </ds:KeyInfo> # </ds:Signature> # </samlp:AuthnRequest> # |
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