50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package auth
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import (
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"context"
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"log/slog"
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"net/http"
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)
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const UserKey = "user"
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const SessionKey = "session"
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func (s *Service) NewMiddleware(sessionCookieName string) func(http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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cookie, err := r.Cookie(sessionCookieName)
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if err != nil || cookie.Value == "" {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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session, err := s.SessionByToken(r.Context(), cookie.Value)
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if err != nil || !session.IsValid() {
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if err != nil {
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slog.Error("session lookup", slog.String("op", "middleware.SessionByToken"), slog.Any("error", err))
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}
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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user, err := s.u.UserById(r.Context(), session.UserId)
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if err != nil {
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slog.Error("load user", slog.String("op", "middleware.UserById"), slog.Int64("user_id", session.UserId), slog.Any("error", err))
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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newSession, err := s.BumpSession(r.Context(), session)
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if err != nil {
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slog.Error("session bump", slog.String("op", "middleware.BumpSession"), slog.Int64("user_id", session.UserId), slog.Any("error", err))
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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ctx := context.WithValue(r.Context(), UserKey, user)
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ctx = context.WithValue(ctx, SessionKey, newSession)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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}
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