t2/routes/auth_middleware.go

66 lines
1.3 KiB
Go

package routes
import (
"context"
"errors"
"log/slog"
"net/http"
"gitea.henriburau.de/haw-lan/cod4watcher/services"
"gitea.henriburau.de/haw-lan/cod4watcher/views"
)
func OnlyAuthenticatedMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
session, err := getSession(r)
if err != nil {
slog.Error("failed to optain session", "err", err)
}
if session != nil {
next.ServeHTTP(w, r)
}
w.WriteHeader(http.StatusUnauthorized)
})
}
func AuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
session, err := getSession(r)
username := ""
if err != nil {
if !errors.Is(err, http.ErrNoCookie) {
slog.Error("error getting token", "err", err)
}
}
if session != nil {
username = session.Username
}
ctx := context.WithValue(r.Context(), views.AuthContext, username)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
func getSession(r *http.Request) (*services.Session, error) {
c, err := r.Cookie("session_token")
if err != nil {
return nil, err
}
sessionToken := c.Value
session, err := services.GetSession(sessionToken)
if err != nil {
return nil, err
}
if session.IsExpired() {
services.RemoveSession(sessionToken)
return nil, nil
}
return session, nil
}