Fix: dont use gin noroute

server/static/static.go

@@ -4,12 +4,14 @@ import (
 	"io/fs"
 	"net/http"
 	"net/url"
+	"os"
 	"strings"
 
 	"github.com/gin-gonic/gin"
 	"github.com/synctv-org/synctv/cmd/flags"
 	"github.com/synctv-org/synctv/public"
 	"github.com/synctv-org/synctv/server/middlewares"
+	"github.com/zijiren233/gencontainer/rwmap"
 )
 
 func Init(e *gin.Engine) {
@@ -22,30 +24,72 @@ func Init(e *gin.Engine) {
 	if flags.WebPath == "" {
 		web.Use(middlewares.NewDistCacheControl("/web/"))
 
-		err := initFSRouter(web, public.Public.(fs.ReadDirFS), ".")
-		if err != nil {
-			panic(err)
-		}
+		SiglePageAppFS(web, public.Public, true)
 
-		e.NoRoute(func(ctx *gin.Context) {
-			if strings.HasPrefix(ctx.Request.URL.Path, "/web/") {
-				ctx.FileFromFS("", http.FS(public.Public))
-				return
-			}
-		})
+		// err := initFSRouter(web, public.Public.(fs.ReadDirFS), ".")
+		// if err != nil {
+		// 	panic(err)
+		// }
+
+		// e.NoRoute(func(ctx *gin.Context) {
+		// 	if strings.HasPrefix(ctx.Request.URL.Path, "/web/") {
+		// 		ctx.FileFromFS("", http.FS(public.Public))
+		// 		return
+		// 	}
+		// })
 	} else {
-		web.Static("/", flags.WebPath)
+		SiglePageAppFS(web, os.DirFS(flags.WebPath), false)
 
-		e.NoRoute(func(ctx *gin.Context) {
-			if strings.HasPrefix(ctx.Request.URL.Path, "/web/") {
-				ctx.FileFromFS("", http.Dir(flags.WebPath))
-				return
-			}
-		})
+		// web.Static("/", flags.WebPath)
+
+		// e.NoRoute(func(ctx *gin.Context) {
+		// 	if strings.HasPrefix(ctx.Request.URL.Path, "/web/") {
+		// 		ctx.FileFromFS("", http.Dir(flags.WebPath))
+		// 		return
+		// 	}
+		// })
 	}
 
 }
 
+func SiglePageAppFS(r *gin.RouterGroup, fileSys fs.FS, cacheStat bool) {
+	const param = "filepath"
+	var h func(ctx *gin.Context)
+	if cacheStat {
+		var cache = rwmap.RWMap[string, bool]{}
+		h = func(ctx *gin.Context) {
+			fp := strings.Trim(ctx.Param(param), "/")
+			if stat, ok := cache.Load(fp); ok {
+				if !stat {
+					fp = ""
+				}
+			} else {
+				f, err := fileSys.Open(fp)
+				cache.LoadOrStore(fp, err == nil)
+				if err != nil {
+					fp = ""
+				} else {
+					f.Close()
+				}
+			}
+			ctx.FileFromFS(fp, http.FS(fileSys))
+		}
+	} else {
+		h = func(ctx *gin.Context) {
+			fp := strings.Trim(ctx.Param(param), "/")
+			f, err := fileSys.Open(fp)
+			if err != nil {
+				fp = ""
+			} else {
+				f.Close()
+			}
+			ctx.FileFromFS(fp, http.FS(fileSys))
+		}
+	}
+	r.GET("/*"+param, h)
+	r.HEAD("/*"+param, h)
+}
+
 func initFSRouter(e *gin.RouterGroup, f fs.ReadDirFS, path string) error {
 	dirs, err := f.ReadDir(path)
 	if err != nil {