Esempio n. 1
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func (xmlNode *XmlNode) DuplicateTo(doc Document, level int) (dup Node) {
	if xmlNode.valid {
		dupPtr := C.xmlDocCopyNode(xmlNode.Ptr, (*C.xmlDoc)(doc.DocPtr()), C.int(level))
		if dupPtr != nil {
			dup = NewNode(unsafe.Pointer(dupPtr), xmlNode.Document)
		}
	}
	return
}
Esempio n. 2
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func (xp *Xp) CopyNode(node *C.xmlNode, extended int) (copy *C.xmlNode) {
	copy = C.xmlDocCopyNode(node, xp.doc, C.int(extended))
	return
}
Esempio n. 3
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// NewResponse - create a new response using the supplied metadata and resp. authnrequest and response for filling out the fields
// The response is primarily for the attributes, but other fields is eg. the AuthnContextClassRef is also drawn from it
func NewResponse(params IdAndTiming, idpmd, spmd, authnrequest, sourceResponse *Xp) (response *Xp) {
	template := []byte(`<samlp:Response xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
                ID=""
                Version="2.0"
                IssueInstant=""
                InResponseTo=""
                Destination=""
                >
    <saml:Issuer xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"></saml:Issuer>
    <samlp:Status>
        <samlp:StatusCode Value="urn:oasis:names:tc:SAML:2.0:status:Success" />
    </samlp:Status>
    <saml:Assertion xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                    xmlns:xs="http://www.w3.org/2001/XMLSchema"
                    xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
                    ID=""
                    Version="2.0"
                    IssueInstant=""
                    >
        <saml:Issuer></saml:Issuer>
        <saml:Subject>
            <saml:NameID SPNameQualifier=""
                         Format="urn:oasis:names:tc:SAML:2.0:nameid-format:transient"
                         ></saml:NameID>
            <saml:SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:bearer">
                <saml:SubjectConfirmationData NotOnOrAfter=""
                                              Recipient=""
                                              InResponseTo=""
                                              />
            </saml:SubjectConfirmation>
        </saml:Subject>
        <saml:Conditions NotBefore=""
                         NotOnOrAfter=""
                         >
            <saml:AudienceRestriction>
                <saml:Audience></saml:Audience>
            </saml:AudienceRestriction>
        </saml:Conditions>
        <saml:AuthnStatement AuthnInstant=""
                             SessionNotOnOrAfter=""
                             SessionIndex=""
                             >
            <saml:AuthnContext>
                <saml:AuthnContextClassRef></saml:AuthnContextClassRef>
            </saml:AuthnContext>
        </saml:AuthnStatement>
        <saml:AttributeStatement xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xs="http://www.w3.org/2001/XMLSchema">
        </saml:AttributeStatement>
    </saml:Assertion>
</samlp:Response>`)

	response = NewXp(template)

	issueInstant := params.Now.Format(xsDateTime)
	assertionIssueInstant := params.Now.Format(xsDateTime)
	assertionNotOnOrAfter := params.Now.Add(params.Slack).Format(xsDateTime)
	sessionNotOnOrAfter := params.Now.Add(params.Sessionduration).Format(xsDateTime)
	msgid := params.Id
	if msgid == "" {
		msgid = Id()
	}
	assertionID := params.Assertionid
	if assertionID == "" {
		assertionID = Id()
	}

	spEntityID := spmd.Query1(nil, `/md:EntityDescriptor/@entityID`)
	idpEntityID := idpmd.Query1(nil, `/md:EntityDescriptor/@entityID`)

	acs := authnrequest.Query1(nil, "@AssertionConsumerServiceURL")
	response.QueryDashP(nil, "./@ID", msgid, nil)
	response.QueryDashP(nil, "./@IssueInstant", issueInstant, nil)
	response.QueryDashP(nil, "./@InResponseTo", authnrequest.Query1(nil, "@ID"), nil)
	response.QueryDashP(nil, "./@Destination", acs, nil)
	response.QueryDashP(nil, "./saml:Issuer", idpEntityID, nil)

	assertion := response.Query(nil, "saml:Assertion")[0]
	response.QueryDashP(assertion, "@ID", assertionID, nil)
	response.QueryDashP(assertion, "@IssueInstant", assertionIssueInstant, nil)
	response.QueryDashP(assertion, "saml:Issuer", idpEntityID, nil)

	nameid := response.Query(assertion, "saml:Subject/saml:NameID")[0]
	response.QueryDashP(nameid, "@SPNameQualifier", spEntityID, nil)
	response.QueryDashP(nameid, "@Format", sourceResponse.Query1(nil, "//saml:NameID/@Format"), nil)
	response.QueryDashP(nameid, ".", sourceResponse.Query1(nil, "//saml:NameID"), nil)

	subjectconfirmationdata := response.Query(assertion, "saml:Subject/saml:SubjectConfirmation/saml:SubjectConfirmationData")[0]
	response.QueryDashP(subjectconfirmationdata, "@NotOnOrAfter", assertionNotOnOrAfter, nil)
	response.QueryDashP(subjectconfirmationdata, "@Recipient", acs, nil)
	response.QueryDashP(subjectconfirmationdata, "@InResponseTo", authnrequest.Query1(nil, "@ID"), nil)

	conditions := response.Query(assertion, "saml:Conditions")[0]
	response.QueryDashP(conditions, "@NotBefore", assertionIssueInstant, nil)
	response.QueryDashP(conditions, "@NotOnOrAfter", assertionNotOnOrAfter, nil)
	response.QueryDashP(conditions, "saml:AudienceRestriction/saml:Audience", spEntityID, nil)

	authstatement := response.Query(assertion, "saml:AuthnStatement")[0]
	response.QueryDashP(authstatement, "@AuthnInstant", assertionIssueInstant, nil)
	response.QueryDashP(authstatement, "@SessionNotOnOrAfter", sessionNotOnOrAfter, nil)
	response.QueryDashP(authstatement, "@SessionIndex", "missing", nil)
	response.QueryDashP(authstatement, "saml:AuthnContext/saml:AuthnContextClassRef", sourceResponse.Query1(nil, "//saml:AuthnContextClassRef"), nil)

	sourceResponse = NewXp([]byte(sourceResponse.Pp()))
	sourceAttributes := sourceResponse.Query(nil, `//saml:AttributeStatement/saml:Attribute`)
	destinationAttributes := response.Query(nil, `//saml:AttributeStatement`)[0]

	attrcache := map[string]*C.xmlNode{}
	for _, attr := range sourceAttributes {
		attrcache[attr.GetAttr("Name")] = attr
		attrcache[attr.GetAttr("FriendlyName")] = attr
	}

	//requestedAttributes := spmd.Query(nil, `./md:SPSSODescriptor/md:AttributeConsumingService[1]/md:RequestedAttribute[@isRequired=true()]`)
	requestedAttributes := spmd.Query(nil, `./md:SPSSODescriptor/md:AttributeConsumingService[1]/md:RequestedAttribute`)

	for _, requestedAttribute := range requestedAttributes {
		// for _, requestedAttribute := range sourceResponse.Query(nil, `//saml:Attribute`) {
		name := requestedAttribute.GetAttr("Name")
		friendlyname := requestedAttribute.GetAttr("FriendlyName")
		//nameFormat := requestedAttribute.GetAttr("NameFormat")
		//log.Println("requestedattribute:", name, nameFormat)
		// look for a requested attribute with the requested nameformat
		// TO-DO - xpath escape name and nameFormat
		// TO-Do - value filtering
		//attributes := sourceResponse.Query(sourceAttributes[0], `saml:Attribute[@Name="`+name+`" or @Name="`+friendlyname+`" or @FriendlyName="`+friendlyname+`"]`)
		//log.Println("src attrs", len(attributes), `saml:Attribute[@Name="`+name+`" or @Name="`+friendlyname+`" or @FriendlyName="`+friendlyname+`"]`)

		//attributes := sourceResponse.Query(sourceAttributes, `saml:Attribute[@Name="`+name+`"]`)
		attribute := attrcache[name]
		if attribute == nil {
			attribute = attrcache[friendlyname]
			if attribute == nil {
				continue
			}
		}
		//		for _, attribute := range sourceAttributes {
		newAttribute := C.xmlAddChild(destinationAttributes, C.xmlDocCopyNode(attribute, response.doc, 2))
		allowedValues := spmd.Query(requestedAttribute, `saml:AttributeValue`)
		allowedValuesMap := make(map[string]bool)
		for _, value := range allowedValues {
			allowedValuesMap[spmd.NodeGetContent(value)] = true
		}
		for _, valueNode := range sourceResponse.Query(attribute, `saml:AttributeValue`) {
			value := sourceResponse.NodeGetContent(valueNode)
			if len(allowedValues) == 0 || allowedValuesMap[value] {
				C.xmlAddChild(newAttribute, C.xmlDocCopyNode(valueNode, response.doc, 1))
			}
		}
		//		}
	}
	return
}
Esempio n. 4
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// NewXpFromNode creates a new *Xp from a node (subtree) from another *Xp
func NewXpFromNode(node *C.xmlNode) *Xp {
	xp := NewXp(nil)
	C.xmlAddChild((*C.xmlNode)(unsafe.Pointer(xp.doc)), C.xmlDocCopyNode(node, xp.doc, 1))
	return xp
}