Feat/fileserver (#60)

* cleanup code for URL type

* fix makefile for trace mode

* refactor, merge Entry, RawEntry and Route into one. 

* Implement fileserver.

* refactor: rename HTTPRoute to ReverseProxyRoute to avoid confusion

* refactor: move metrics logger to middleware package

- fix prometheus metrics for load balanced routes
  - route will now fail when health monitor fail to start

* fix extra output of ls-* commands by defer initializaing stuff, speed up start time

* add test for path traversal attack, small fix on FileServer.Start method

* rename rule.on.bypass to pass

* refactor and fixed map-to-map  deserialization

* updated route loading logic

* schemas: add "add_prefix" option to modify_request middleware


* updated route JSONMarshalling

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/api/v1/auth/oidc_test.go

@@ -14,7 +14,6 @@ import (
 	"github.com/coreos/go-oidc/v3/oidc"
 	"github.com/golang-jwt/jwt/v5"
 	"github.com/yusing/go-proxy/internal/common"
-	E "github.com/yusing/go-proxy/internal/error"
 	"golang.org/x/oauth2"
 
 	. "github.com/yusing/go-proxy/internal/utils/testing"
@@ -227,7 +226,7 @@ func TestOIDCCallbackHandler(t *testing.T) {
 			}
 
 			if tt.wantStatus == http.StatusTemporaryRedirect {
-				setCookie := E.Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
+				setCookie := Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
 				ExpectEqual(t, setCookie.Name, defaultAuth.TokenCookieName())
 				ExpectTrue(t, setCookie.Value != "")
 				ExpectEqual(t, setCookie.Path, "/")

internal/api/v1/auth/userpass_test.go

@@ -9,7 +9,6 @@ import (
 	"testing"
 	"time"
 
-	E "github.com/yusing/go-proxy/internal/error"
 	. "github.com/yusing/go-proxy/internal/utils/testing"
 	"golang.org/x/crypto/bcrypt"
 )
@@ -17,7 +16,7 @@ import (
 func newMockUserPassAuth() *UserPassAuth {
 	return &UserPassAuth{
 		username: "username",
-		pwdHash:  E.Must(bcrypt.GenerateFromPassword([]byte("password"), bcrypt.DefaultCost)),
+		pwdHash:  Must(bcrypt.GenerateFromPassword([]byte("password"), bcrypt.DefaultCost)),
 		secret:   []byte("abcdefghijklmnopqrstuvwxyz"),
 		tokenTTL: time.Hour,
 	}
@@ -97,13 +96,13 @@ func TestUserPassLoginCallbackHandler(t *testing.T) {
 		w := httptest.NewRecorder()
 		req := &http.Request{
 			Host: "app.example.com",
-			Body: io.NopCloser(bytes.NewReader(E.Must(json.Marshal(tt.creds)))),
+			Body: io.NopCloser(bytes.NewReader(Must(json.Marshal(tt.creds)))),
 		}
 		auth.LoginCallbackHandler(w, req)
 		if tt.wantErr {
 			ExpectEqual(t, w.Code, http.StatusUnauthorized)
 		} else {
-			setCookie := E.Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
+			setCookie := Must(http.ParseSetCookie(w.Header().Get("Set-Cookie")))
 			ExpectTrue(t, setCookie.Name == auth.TokenCookieName())
 			ExpectTrue(t, setCookie.Value != "")
 			ExpectEqual(t, setCookie.Domain, "example.com")

internal/api/v1/favicon/cache.go

@@ -29,6 +29,9 @@ const (
 )
 
 func InitIconCache() {
+	iconCacheMu.Lock()
+	defer iconCacheMu.Unlock()
+
 	err := utils.LoadJSONIfExist(common.IconCachePath, &iconCache)
 	if err != nil {
 		logging.Error().Err(err).Msg("failed to load icon cache")
@@ -78,7 +81,7 @@ func pruneExpiredIconCache() {
 }
 
 func routeKey(r route.HTTPRoute) string {
-	return r.RawEntry().Provider + ":" + r.TargetName()
+	return r.ProviderName() + ":" + r.TargetName()
 }
 
 func PruneRouteIconCache(route route.HTTPRoute) {

internal/api/v1/favicon/favicon.go

@@ -87,7 +87,7 @@ func GetFavIcon(w http.ResponseWriter, req *http.Request) {
 	}
 
 	var result *fetchResult
-	hp := r.RawEntry().Homepage.GetOverride()
+	hp := r.HomepageConfig().GetOverride()
 	if !hp.IsEmpty() && hp.Icon != nil {
 		if hp.Icon.IconSource == homepage.IconSourceRelative {
 			result = findIcon(r, req, hp.Icon.Value)
@@ -189,7 +189,7 @@ func findIcon(r route.HTTPRoute, req *http.Request, uri string) *fetchResult {
 	}
 
 	result := fetchIcon("png", sanitizeName(r.TargetName()))
-	cont := r.RawEntry().Container
+	cont := r.ContainerInfo()
 	if !result.OK() && cont != nil {
 		result = fetchIcon("png", sanitizeName(cont.ImageName))
 	}