fix(acls): auth bypass via forward auth

This commit is contained in:
Scott McKendry
2026-07-27 19:43:47 +12:00
parent c7077a7c84
commit 3d5ab54ab8
5 changed files with 114 additions and 39 deletions
@@ -287,6 +287,66 @@ func TestProxyController(t *testing.T) {
assert.Equal(t, http.StatusOK, recorder.Code)
},
},
{
description: "Ensure path allow ACL does not match forwarded URI query string",
middlewares: []gin.HandlerFunc{},
run: func(t *testing.T, router *gin.Engine, recorder *httptest.ResponseRecorder) {
req := httptest.NewRequest("GET", "/api/auth/traefik", nil)
req.Header.Set("x-forwarded-host", "path-allow.example.com")
req.Header.Set("x-forwarded-proto", "https")
req.Header.Set("x-forwarded-uri", "/admin?path=/allowed")
router.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusUnauthorized, recorder.Code)
},
},
{
description: "Ensure path allow ACL does not match path substrings",
middlewares: []gin.HandlerFunc{},
run: func(t *testing.T, router *gin.Engine, recorder *httptest.ResponseRecorder) {
req := httptest.NewRequest("GET", "/api/auth/traefik", nil)
req.Header.Set("x-forwarded-host", "path-allow.example.com")
req.Header.Set("x-forwarded-proto", "https")
req.Header.Set("x-forwarded-uri", "/admin/allowed")
router.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusUnauthorized, recorder.Code)
},
},
{
description: "Ensure path block ACL works on forward auth",
middlewares: []gin.HandlerFunc{},
run: func(t *testing.T, router *gin.Engine, recorder *httptest.ResponseRecorder) {
req := httptest.NewRequest("GET", "/api/auth/traefik", nil)
req.Header.Set("x-forwarded-host", "path-block.example.com")
req.Header.Set("x-forwarded-proto", "https")
req.Header.Set("x-forwarded-uri", "/blocked")
router.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusUnauthorized, recorder.Code)
},
},
{
description: "Ensure path block ACL does not match forwarded URI query string",
middlewares: []gin.HandlerFunc{},
run: func(t *testing.T, router *gin.Engine, recorder *httptest.ResponseRecorder) {
req := httptest.NewRequest("GET", "/api/auth/traefik", nil)
req.Header.Set("x-forwarded-host", "path-block.example.com")
req.Header.Set("x-forwarded-proto", "https")
req.Header.Set("x-forwarded-uri", "/admin?path=/blocked")
router.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
},
},
{
description: "Ensure path block ACL does not match path substrings",
middlewares: []gin.HandlerFunc{},
run: func(t *testing.T, router *gin.Engine, recorder *httptest.ResponseRecorder) {
req := httptest.NewRequest("GET", "/api/auth/traefik", nil)
req.Header.Set("x-forwarded-host", "path-block.example.com")
req.Header.Set("x-forwarded-proto", "https")
req.Header.Set("x-forwarded-uri", "/admin/blocked")
router.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
},
},
{
description: "Ensure path allow ACL works on nginx auth request",
middlewares: []gin.HandlerFunc{},