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auth_handler.go
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/
auth_handler.go
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package external
import (
"net/http"
"github.com/cortezaproject/corteza/server/auth/saml"
"github.com/cortezaproject/corteza/server/system/types"
"github.com/crewjam/saml/samlsp"
"github.com/markbates/goth/gothic"
)
type (
ExternalAuthHandler interface {
BeginUserAuth(http.ResponseWriter, *http.Request)
CompleteUserAuth(http.ResponseWriter, *http.Request) (u *types.ExternalAuthUser, err error)
}
externalSamlAuthHandler struct {
service *saml.SamlSPService
}
externalDefaultAuthHandler struct{}
)
func (eh *externalDefaultAuthHandler) BeginUserAuth(w http.ResponseWriter, r *http.Request) {
gothic.BeginAuthHandler(w, r)
}
func (eh *externalDefaultAuthHandler) CompleteUserAuth(w http.ResponseWriter, r *http.Request) (u *types.ExternalAuthUser, err error) {
gu, err := gothic.CompleteUserAuth(w, r)
u = &types.ExternalAuthUser{gu}
return
}
func (eh *externalSamlAuthHandler) BeginUserAuth(w http.ResponseWriter, r *http.Request) {
_, err := eh.service.Handler().Session.GetSession(r)
if err == samlsp.ErrNoSession {
eh.service.Handler().HandleStartAuthFlow(w, r)
}
}
func (eh *externalSamlAuthHandler) CompleteUserAuth(w http.ResponseWriter, r *http.Request) (u *types.ExternalAuthUser, err error) {
var (
session samlsp.Session
)
if session, err = eh.service.Handler().Session.GetSession(r); err != nil {
return
}
if session != nil {
sess := session.(samlsp.JWTSessionClaims)
if sess.StandardClaims.Valid() != nil {
return nil, sess.StandardClaims.Valid()
}
u = &types.ExternalAuthUser{}
u.Provider = "saml"
// get identifier for use with Corteza (email)
u.Email = eh.service.GuessIdentifier(sess.Attributes)
// try to get email from jwt claims
if u.Email == "" {
u.Email = sess.StandardClaims.Subject
u.Name = sess.StandardClaims.Subject
u.NickName = sess.StandardClaims.Subject
} else {
u.Name = sess.Attributes.Get(eh.service.IDPUserMeta.Name)
u.NickName = sess.Attributes.Get(eh.service.IDPUserMeta.Handle)
}
u.UserID = sess.Attributes.Get("SessionIndex")
}
return
}
func NewSamlExternalHandler(s *saml.SamlSPService) *externalSamlAuthHandler {
return &externalSamlAuthHandler{
service: s,
}
}
func NewDefaultExternalHandler() *externalDefaultAuthHandler {
return &externalDefaultAuthHandler{}
}