updated

middleware/frontend_origin.go

@@ -1,44 +0,0 @@
-package middleware
-
-import (
-	"authentication/helper"
-	"net/http"
-	"os"
-	"strings"
-)
-
-const defaultFrontendOrigin = "http://localhost:5173"
-
-func allowedFrontendOrigins() map[string]struct{} {
-	raw := os.Getenv("FRONTEND_ORIGINS")
-	if strings.TrimSpace(raw) == "" {
-		raw = defaultFrontendOrigin
-	}
-
-	allowed := make(map[string]struct{})
-	for _, origin := range strings.Split(raw, ",") {
-		trimmed := strings.TrimSpace(origin)
-		if trimmed != "" {
-			allowed[trimmed] = struct{}{}
-		}
-	}
-
-	return allowed
-}
-
-func FrontendOriginWhitelist(next http.Handler) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		origin := strings.TrimSpace(r.Header.Get("Origin"))
-		if origin == "" {
-			helper.RespondWithError(w, http.StatusBadRequest, "missing origin header")
-			return
-		}
-
-		if _, ok := allowedFrontendOrigins()[origin]; !ok {
-			helper.RespondWithError(w, http.StatusForbidden, "forbidden origin")
-			return
-		}
-
-		next.ServeHTTP(w, r)
-	})
-}

middleware/frontend_origin_test.go

@@ -1,94 +0,0 @@
-package middleware
-
-import (
-	"net/http"
-	"net/http/httptest"
-	"os"
-	"testing"
-)
-
-func TestFrontendOriginWhitelist_DefaultAllowedOrigin(t *testing.T) {
-	os.Unsetenv("FRONTEND_ORIGINS")
-
-	called := false
-	next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		called = true
-		w.WriteHeader(http.StatusOK)
-	})
-
-	handler := FrontendOriginWhitelist(next)
-	req := httptest.NewRequest(http.MethodGet, "/v1/auth/forgot-password", nil)
-	req.Header.Set("Origin", defaultFrontendOrigin)
-	recorder := httptest.NewRecorder()
-
-	handler.ServeHTTP(recorder, req)
-
-	if recorder.Code != http.StatusOK {
-		t.Fatalf("expected status %d, got %d", http.StatusOK, recorder.Code)
-	}
-	if !called {
-		t.Fatal("expected next handler to be called")
-	}
-}
-
-func TestFrontendOriginWhitelist_RejectsMissingOrigin(t *testing.T) {
-	os.Unsetenv("FRONTEND_ORIGINS")
-
-	next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusOK)
-	})
-
-	handler := FrontendOriginWhitelist(next)
-	req := httptest.NewRequest(http.MethodGet, "/v1/auth/forgot-password", nil)
-	recorder := httptest.NewRecorder()
-
-	handler.ServeHTTP(recorder, req)
-
-	if recorder.Code != http.StatusForbidden {
-		t.Fatalf("expected status %d, got %d", http.StatusForbidden, recorder.Code)
-	}
-}
-
-func TestFrontendOriginWhitelist_RejectsNonWhitelistedOrigin(t *testing.T) {
-	os.Unsetenv("FRONTEND_ORIGINS")
-
-	next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusOK)
-	})
-
-	handler := FrontendOriginWhitelist(next)
-	req := httptest.NewRequest(http.MethodGet, "/v1/auth/forgot-password", nil)
-	req.Header.Set("Origin", "http://malicious-site.example")
-	recorder := httptest.NewRecorder()
-
-	handler.ServeHTTP(recorder, req)
-
-	if recorder.Code != http.StatusForbidden {
-		t.Fatalf("expected status %d, got %d", http.StatusForbidden, recorder.Code)
-	}
-}
-
-func TestFrontendOriginWhitelist_UsesConfiguredOrigins(t *testing.T) {
-	os.Setenv("FRONTEND_ORIGINS", "http://localhost:4173, http://localhost:5173")
-	defer os.Unsetenv("FRONTEND_ORIGINS")
-
-	called := false
-	next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		called = true
-		w.WriteHeader(http.StatusOK)
-	})
-
-	handler := FrontendOriginWhitelist(next)
-	req := httptest.NewRequest(http.MethodGet, "/v1/auth/forgot-password", nil)
-	req.Header.Set("Origin", "http://localhost:4173")
-	recorder := httptest.NewRecorder()
-
-	handler.ServeHTTP(recorder, req)
-
-	if recorder.Code != http.StatusOK {
-		t.Fatalf("expected status %d, got %d", http.StatusOK, recorder.Code)
-	}
-	if !called {
-		t.Fatal("expected next handler to be called")
-	}
-}

routes/routes.go

@@ -15,11 +15,9 @@ func SetupRoutes(router *mux.Router, db *sql.DB) {
 	router.HandleFunc("/ready", handlers.ReadyHandler).Methods("GET")
 
 	authRoutes := router.PathPrefix("/v1/auth").Subrouter()
-	frontendOnly := authRoutes.NewRoute().Subrouter()
-	frontendOnly.Use(middleware.FrontendOriginWhitelist)
-	frontendOnly.HandleFunc("/login", handlers.GoogleLogin).Methods("GET")
-	frontendOnly.HandleFunc("/forgot-password", handlers.ForgotPassword).Methods("GET")
-	frontendOnly.HandleFunc("/callback", handlers.GoogleCallback).Methods("GET")
+	authRoutes.HandleFunc("/login", handlers.GoogleLogin).Methods("GET")
+	authRoutes.HandleFunc("/forgot-password", handlers.ForgotPassword).Methods("GET")
+	authRoutes.HandleFunc("/callback", handlers.GoogleCallback).Methods("GET")
 
 	csrfProtected := authRoutes.NewRoute().Subrouter()
 	csrfProtected.Use(middleware.CSRFMiddleware)