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package webauthn
import (
"glsamaker/pkg/app/handler/authentication/utils"
"glsamaker/pkg/database/connection"
"glsamaker/pkg/logger"
"fmt"
"github.com/duo-labs/webauthn/protocol"
"log"
"net/http"
)
func BeginRegistration(w http.ResponseWriter, r *http.Request) {
user := utils.GetAuthenticatedUser(r)
CreateWebAuthn()
CreateSessionStore()
if user == nil {
JsonResponse(w, fmt.Errorf("must supply a valid username i.e. foo@bar.com"), http.StatusBadRequest)
return
}
registerOptions := func(credCreationOpts *protocol.PublicKeyCredentialCreationOptions) {
credCreationOpts.CredentialExcludeList = user.CredentialExcludeList()
}
// generate PublicKeyCredentialCreationOptions, session data
//var options *protocol.CredentialCreation
//var err error
options, sessionData, err := WebAuthn.BeginRegistration(
user,
registerOptions,
)
if err != nil {
log.Println("Error begin register")
log.Println(err)
JsonResponse(w, err.Error(), http.StatusInternalServerError)
return
}
// store session data as marshaled JSON
err = SessionStore.SaveWebauthnSession("registration", sessionData, r, w)
if err != nil {
log.Println("Error store session")
log.Println(err)
JsonResponse(w, err.Error(), http.StatusInternalServerError)
return
}
JsonResponse(w, options, http.StatusOK)
}
func FinishRegistration(w http.ResponseWriter, r *http.Request) {
authname := getParams(r)
user := utils.GetAuthenticatedUser(r)
if user == nil {
JsonResponse(w, "Cannot find User", http.StatusBadRequest)
return
}
// load the session data
sessionData, err := SessionStore.GetWebauthnSession("registration", r)
if err != nil {
log.Println("Error loading session")
log.Println(err)
JsonResponse(w, err.Error(), http.StatusBadRequest)
return
}
credential, err := WebAuthn.FinishRegistration(user, sessionData, r)
if err != nil {
log.Println("Error finish session")
log.Println(err)
JsonResponse(w, err.Error(), http.StatusBadRequest)
return
}
user.AddCredential(*credential, authname)
_, err = connection.DB.Model(user).Column("webauthn_credentials").WherePK().Update()
_, err = connection.DB.Model(user).Column("webauthn_credential_names").WherePK().Update()
if err != nil {
logger.Error.Println("Error adding WebAuthn credentials.")
logger.Error.Println(err)
}
JsonResponse(w, "Registration Success", http.StatusOK)
}
func getParams(r *http.Request) string {
keys, ok := r.URL.Query()["name"]
if !ok || len(keys[0]) < 1 {
logger.Info.Println("Url Param 'name' is missing")
return "Unnamed Authenticator"
}
// we only want the single item.
key := keys[0]
if len(key) > 20 {
key = key[0:20]
}
return key
}
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