refactor: remove global auth service pattern

internal/middleware/auth.go

@@ -3,19 +3,12 @@ package middleware
 import (
 	"context"
 	"net/http"
-	"strings"
 
 	"mal/api/auth"
 	ctxpkg "mal/internal/context"
 	"mal/internal/db"
 )
 
-var authSvc *auth.Service
-
-func InitAuth(service *auth.Service) {
-	authSvc = service
-}
-
 func Auth(authService *auth.Service) func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -37,42 +30,6 @@ func Auth(authService *auth.Service) func(http.Handler) http.Handler {
 	}
 }
 
-func RequireAuth(next http.Handler) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		cookie, err := r.Cookie("session_id")
-		if err != nil {
-			if strings.HasPrefix(r.URL.Path, "/api/") {
-				w.Header().Set("HX-Redirect", "/login")
-				http.Error(w, "Unauthorized", http.StatusUnauthorized)
-			} else {
-				http.Redirect(w, r, "/login", http.StatusFound)
-			}
-			return
-		}
-
-		if authSvc != nil {
-			user, err := authSvc.ValidateSession(r.Context(), cookie.Value)
-			if err == nil {
-				ctx := context.WithValue(r.Context(), ctxpkg.UserKey, user)
-				r = r.WithContext(ctx)
-			}
-		}
-
-		user := GetUser(r.Context())
-		if user == nil {
-			if strings.HasPrefix(r.URL.Path, "/api/") {
-				w.Header().Set("HX-Redirect", "/login")
-				http.Error(w, "Unauthorized", http.StatusUnauthorized)
-			} else {
-				http.Redirect(w, r, "/login", http.StatusFound)
-			}
-			return
-		}
-
-		next.ServeHTTP(w, r)
-	})
-}
-
 func GetUser(ctx context.Context) *db.User {
 	user, ok := ctx.Value(ctxpkg.UserKey).(*db.User)
 	if !ok {

internal/server/routes.go

@@ -68,8 +68,6 @@ func NewRouter(cfg Config) http.Handler {
 	watchlistSvc := watchlist.NewService(cfg.DB, cfg.SQLDB, cfg.JikanClient)
 	watchlistHandler := watchlist.NewHandler(watchlistSvc)
 
-	middleware.InitAuth(cfg.AuthService)
-
 	animeSvc := anime.NewService(cfg.JikanClient, cfg.DB)
 	animeHandler := anime.NewHandler(animeSvc)