func retrieveRequestState(request *http.Request, store store.Storer) (*protocol.AuthnRequest, string) {
// Does this user have a saved request state
cookie, err := request.Cookie("lidp-rs")
if err != nil {
return nil, ""
}
// Read the user information from Redis
var rs RequestState
err = store.Retrieve(cookie.Value, &rs)
if err != nil {
log.Println(err)
return nil, ""
}
return rs.AuthnRequest, rs.RelayState
}
func retrieveUserFromSession(request *http.Request, store store.Storer) *protocol.AuthenticatedUser {
// Does this user have a session?
cookie, err := request.Cookie("lidp-user")
if err != nil {
return nil
}
// Read the user information from Redis
var tmpUser protocol.AuthenticatedUser
err = store.Retrieve(cookie.Value, &tmpUser)
if err != nil {
return nil
}
user := &tmpUser
log.Printf("Using exising session for %s\n", user.Name)
// Make sure the IP matches
if !getIP(request).Equal(user.IP) {
log.Println("Warning - Existing session associated with a different IP address.")
// Force them to authenticate again
return nil
}
return user
}