Function Test_CSRF_ExtractorSecurity_Validation

middleware/csrf/config_test.go:15–147

Test security validation functions

(t *testing.T)

// Test security validation functions
func Test_CSRF_ExtractorSecurity_Validation(t *testing.T) {
	t.Parallel()

	// Test secure configurations - should not panic
	t.Run("SecureConfigurations", func(t *testing.T) {
		t.Parallel()
		secureConfigs := []Config{
			{Extractor: extractors.FromHeader("X-Csrf-Token")},
			{Extractor: extractors.FromForm("_csrf")},
			{Extractor: extractors.FromQuery("csrf_token")},
			{Extractor: extractors.FromParam("csrf")},
			{Extractor: extractors.Chain(extractors.FromHeader("X-Csrf-Token"), extractors.FromForm("_csrf"))},
		}

		for i, cfg := range secureConfigs {
			t.Run(fmt.Sprintf("Config%d", i), func(t *testing.T) {
				require.NotPanics(t, func() {
					configDefault(cfg)
				})
			})
		}
	})

	// Test insecure configurations - should panic
	t.Run("InsecureCookieExtractor", func(t *testing.T) {
		t.Parallel()
		// Create a custom extractor that reads from cookie (simulating dangerous behavior)
		insecureCookieExtractor := extractors.Extractor{
			Extract: func(c fiber.Ctx) (string, error) {
				return c.Cookies("csrf_"), nil
			},
			Source: extractors.SourceCookie,
			Key:    "csrf_",
		}

		cfg := Config{
			CookieName: "csrf_",
			Extractor:  insecureCookieExtractor,
		}

		require.Panics(t, func() {
			configDefault(cfg)
		}, "Should panic when extractor reads from same cookie")
	})

	// Test insecure chained extractors
	t.Run("InsecureChainedExtractor", func(t *testing.T) {
		t.Parallel()
		insecureCookieExtractor := extractors.Extractor{
			Extract: func(c fiber.Ctx) (string, error) {
				return c.Cookies("csrf_"), nil
			},
			Source: extractors.SourceCookie,
			Key:    "csrf_",
		}

		chainedExtractor := extractors.Chain(
			extractors.FromHeader("X-Csrf-Token"),