types

type Assertion struct {
	XMLName            xml.Name            `xml:"urn:oasis:names:tc:SAML:2.0:assertion Assertion"`
	Version            string              `xml:"Version,attr"`
	ID                 string              `xml:"ID,attr"`
	IssueInstant       time.Time           `xml:"IssueInstant,attr"`
	Issuer             *Issuer             `xml:"Issuer"`
	Signature          *Signature          `xml:"Signature"`
	Subject            *Subject            `xml:"Subject"`
	Conditions         *Conditions         `xml:"Conditions"`
	AttributeStatement *AttributeStatement `xml:"AttributeStatement"`
	AuthnStatement     *AuthnStatement     `xml:"AuthnStatement"`
	SignatureValidated bool                `xml:"-"` // not read, not dumped
}

type Attribute struct {
	XMLName      xml.Name         `xml:"urn:oasis:names:tc:SAML:2.0:assertion Attribute"`
	FriendlyName string           `xml:"FriendlyName,attr"`
	Name         string           `xml:"Name,attr"`
	NameFormat   string           `xml:"NameFormat,attr"`
	Values       []AttributeValue `xml:"AttributeValue"`
}

type AttributeStatement struct {
	XMLName    xml.Name    `xml:"urn:oasis:names:tc:SAML:2.0:assertion AttributeStatement"`
	Attributes []Attribute `xml:"Attribute"`
}

type AttributeValue struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion AttributeValue"`
	Type    string   `xml:"xsi:type,attr"`
	Value   string   `xml:",chardata"`
}

type Audience struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion Audience"`
	Value   string   `xml:",chardata"`
}

type AudienceRestriction struct {
	XMLName   xml.Name   `xml:"urn:oasis:names:tc:SAML:2.0:assertion AudienceRestriction"`
	Audiences []Audience `xml:"Audience"`
}

type AuthnContext struct {
	XMLName              xml.Name              `xml:"urn:oasis:names:tc:SAML:2.0:assertion AuthnContext"`
	AuthnContextClassRef *AuthnContextClassRef `xml:"AuthnContextClassRef"`
}

type AuthnContextClassRef struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion AuthnContextClassRef"`
	Value   string   `xml:",chardata"`
}

type AuthnStatement struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion AuthnStatement"`
	//Section 4.1.4.2 - https://docs.oasis-open.org/security/saml/v2.0/saml-profiles-2.0-os.pdf
	//If the identity provider supports the Single Logout profile, defined in Section 4.4
	//, any such authentication statements MUST include a SessionIndex attribute to enable
	//per-session logout requests by the service provider.
	SessionIndex        string        `xml:"SessionIndex,attr,omitempty"`
	AuthnInstant        *time.Time    `xml:"AuthnInstant,attr,omitempty"`
	SessionNotOnOrAfter *time.Time    `xml:"SessionNotOnOrAfter,attr,omitempty"`
	AuthnContext        *AuthnContext `xml:"AuthnContext"`
}

type Conditions struct {
	XMLName              xml.Name              `xml:"urn:oasis:names:tc:SAML:2.0:assertion Conditions"`
	NotBefore            string                `xml:"NotBefore,attr"`
	NotOnOrAfter         string                `xml:"NotOnOrAfter,attr"`
	AudienceRestrictions []AudienceRestriction `xml:"AudienceRestriction"`
	OneTimeUse           *OneTimeUse           `xml:"OneTimeUse"`
	ProxyRestriction     *ProxyRestriction     `xml:"ProxyRestriction"`
}

type DigestMethod struct {
	Algorithm string `xml:",attr,omitempty"`
}

type EncryptedAssertion struct {
	XMLName          xml.Name         `xml:"urn:oasis:names:tc:SAML:2.0:assertion EncryptedAssertion"`
	EncryptionMethod EncryptionMethod `xml:"EncryptedData>EncryptionMethod"`
	EncryptedKey     EncryptedKey     `xml:"EncryptedData>KeyInfo>EncryptedKey"`
	DetEncryptedKey  EncryptedKey     `xml:"EncryptedKey"` // detached EncryptedKey element
	CipherValue      string           `xml:"EncryptedData>CipherData>CipherValue"`
}

type EncryptedKey struct {
	// EncryptionMethod string `xml:"EncryptionMethod>Algorithm"`
	X509Data         string `xml:"KeyInfo>X509Data>X509Certificate"`
	CipherValue      string `xml:"CipherData>CipherValue"`
	EncryptionMethod EncryptionMethod
}

type EncryptionMethod struct {
	Algorithm string `xml:",attr,omitempty"`
	//Digest method is present for algorithms like RSA-OAEP.
	//See https://www.w3.org/TR/xmlenc-core1/.
	//To convey the digest methods an entity supports,
	//DigestMethod in extensions element is used.
	//See http://docs.oasis-open.org/security/saml/Post2.0/sstc-saml-metadata-algsupport.html.
	DigestMethod *DigestMethod `xml:",omitempty"`
}

type Endpoint struct {
	Binding          string `xml:"Binding,attr"`
	Location         string `xml:"Location,attr"`
	ResponseLocation string `xml:"ResponseLocation,attr,omitempty"`
}

type EntityDescriptor struct {
	XMLName    xml.Name  `xml:"urn:oasis:names:tc:SAML:2.0:metadata EntityDescriptor"`
	ValidUntil time.Time `xml:"validUntil,attr"`
	// SAML 2.0 8.3.6 Entity Identifier could be used to represent issuer
	EntityID         string            `xml:"entityID,attr"`
	SPSSODescriptor  *SPSSODescriptor  `xml:"SPSSODescriptor,omitempty"`
	IDPSSODescriptor *IDPSSODescriptor `xml:"IDPSSODescriptor,omitempty"`
	Extensions       *Extensions       `xml:"Extensions,omitempty"`
}

type Extensions struct {
	DigestMethod  *DigestMethod  `xml:",omitempty"`
	SigningMethod *SigningMethod `xml:",omitempty"`
}

type IDPSSODescriptor struct {
	XMLName                 xml.Name              `xml:"urn:oasis:names:tc:SAML:2.0:metadata IDPSSODescriptor"`
	WantAuthnRequestsSigned bool                  `xml:"WantAuthnRequestsSigned,attr"`
	KeyDescriptors          []KeyDescriptor       `xml:"KeyDescriptor"`
	NameIDFormats           []NameIDFormat        `xml:"NameIDFormat"`
	SingleSignOnServices    []SingleSignOnService `xml:"SingleSignOnService"`
	SingleLogoutServices    []SingleLogoutService `xml:"SingleLogoutService"`
	Attributes              []Attribute           `xml:"Attribute"`
	Extensions              *Extensions           `xml:"Extensions,omitempty"`
}

type IndexedEndpoint struct {
	Binding  string `xml:"Binding,attr"`
	Location string `xml:"Location,attr"`
	Index    int    `xml:"index,attr"`
}

type Issuer struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion Issuer"`
	Value   string   `xml:",chardata"`
}

type KeyDescriptor struct {
	XMLName           xml.Name           `xml:"urn:oasis:names:tc:SAML:2.0:metadata KeyDescriptor"`
	Use               string             `xml:"use,attr"`
	KeyInfo           dsigtypes.KeyInfo  `xml:"KeyInfo"`
	EncryptionMethods []EncryptionMethod `xml:"EncryptionMethod"`
}

type LogoutResponse struct {
	XMLName            xml.Name  `xml:"urn:oasis:names:tc:SAML:2.0:protocol LogoutResponse"`
	ID                 string    `xml:"ID,attr"`
	InResponseTo       string    `xml:"InResponseTo,attr"`
	Destination        string    `xml:"Destination,attr"`
	Version            string    `xml:"Version,attr"`
	IssueInstant       time.Time `xml:"IssueInstant,attr"`
	Status             *Status   `xml:"Status"`
	Issuer             *Issuer   `xml:"Issuer"`
	SignatureValidated bool      `xml:"-"` // not read, not dumped
}

type NameID struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion NameID"`
	Value   string   `xml:",chardata"`
}

type NameIDFormat struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:metadata NameIDFormat"`
	Value   string   `xml:",chardata"`
}

type OneTimeUse struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion OneTimeUse"`
}

type ProxyRestriction struct {
	XMLName  xml.Name   `xml:"urn:oasis:names:tc:SAML:2.0:assertion ProxyRestriction"`
	Count    int        `xml:"Count,attr"`
	Audience []Audience `xml:"Audience"`
}

type Response struct {
	XMLName             xml.Name             `xml:"urn:oasis:names:tc:SAML:2.0:protocol Response"`
	ID                  string               `xml:"ID,attr"`
	InResponseTo        string               `xml:"InResponseTo,attr"`
	Destination         string               `xml:"Destination,attr"`
	Version             string               `xml:"Version,attr"`
	IssueInstant        time.Time            `xml:"IssueInstant,attr"`
	Status              *Status              `xml:"Status"`
	Issuer              *Issuer              `xml:"Issuer"`
	Assertions          []Assertion          `xml:"Assertion"`
	EncryptedAssertions []EncryptedAssertion `xml:"EncryptedAssertion"`
	SignatureValidated  bool                 `xml:"-"` // not read, not dumped
}

type SPSSODescriptor struct {
	XMLName                    xml.Name          `xml:"urn:oasis:names:tc:SAML:2.0:metadata SPSSODescriptor"`
	AuthnRequestsSigned        bool              `xml:"AuthnRequestsSigned,attr"`
	WantAssertionsSigned       bool              `xml:"WantAssertionsSigned,attr"`
	ProtocolSupportEnumeration string            `xml:"protocolSupportEnumeration,attr"`
	KeyDescriptors             []KeyDescriptor   `xml:"KeyDescriptor"`
	SingleLogoutServices       []Endpoint        `xml:"SingleLogoutService"`
	NameIDFormats              []string          `xml:"NameIDFormat"`
	AssertionConsumerServices  []IndexedEndpoint `xml:"AssertionConsumerService"`
	Extensions                 *Extensions       `xml:"Extensions,omitempty"`
}

type Signature struct {
	SignatureDocument []byte `xml:",innerxml"`
}

type SigningMethod struct {
	Algorithm  string `xml:",attr"`
	MinKeySize string `xml:"MinKeySize,attr,omitempty"`
	MaxKeySize string `xml:"MaxKeySize,attr,omitempty"`
}

type SingleLogoutService struct {
	XMLName  xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:metadata SingleLogoutService"`
	Binding  string   `xml:"Binding,attr"`
	Location string   `xml:"Location,attr"`
}

type SingleSignOnService struct {
	XMLName  xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:metadata SingleSignOnService"`
	Binding  string   `xml:"Binding,attr"`
	Location string   `xml:"Location,attr"`
}

type Status struct {
	XMLName    xml.Name    `xml:"urn:oasis:names:tc:SAML:2.0:protocol Status"`
	StatusCode *StatusCode `xml:"StatusCode"`
}

type StatusCode struct {
	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:protocol StatusCode"`
	Value   string   `xml:"Value,attr"`
}

type Subject struct {
	XMLName             xml.Name             `xml:"urn:oasis:names:tc:SAML:2.0:assertion Subject"`
	NameID              *NameID              `xml:"NameID"`
	SubjectConfirmation *SubjectConfirmation `xml:"SubjectConfirmation"`
}

type SubjectConfirmation struct {
	XMLName                 xml.Name                 `xml:"urn:oasis:names:tc:SAML:2.0:assertion SubjectConfirmation"`
	Method                  string                   `xml:"Method,attr"`
	SubjectConfirmationData *SubjectConfirmationData `xml:"SubjectConfirmationData"`
}

type SubjectConfirmationData struct {
	XMLName      xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:assertion SubjectConfirmationData"`
	NotOnOrAfter string   `xml:"NotOnOrAfter,attr"`
	Recipient    string   `xml:"Recipient,attr"`
	InResponseTo string   `xml:"InResponseTo,attr"`
}

type UnverifiedBaseResponse struct {
	XMLName      xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:protocol Response"`
	ID           string   `xml:"ID,attr"`
	InResponseTo string   `xml:"InResponseTo,attr"`
	Destination  string   `xml:"Destination,attr"`
	Version      string   `xml:"Version,attr"`
	Issuer       *Issuer  `xml:"Issuer"`
}