Add IsStorageSigned func to judge if Signing is enabled in the storage settings.

It should be working now.

internal/sign/storage.go

@@ -0,0 +1,19 @@
+package sign
+
+import (
+	"github.com/alist-org/alist/v3/internal/op"
+	json "github.com/json-iterator/go"
+)
+
+func IsStorageSigned(rawPath string) bool {
+	storage := op.GetBalancedStorage(rawPath).GetStorage()
+	var jsonData = map[string]interface{}{}
+	err := json.Unmarshal([]byte(storage.Addition), &jsonData)
+	if err != nil {
+		return false
+	}
+	if jsonData["sign"] == "true" {
+		return true
+	}
+	return false
+}

server/handles/fsread.go

@@ -264,7 +264,7 @@ func FsGet(c *gin.Context) {
 		if storage.Config().MustProxy() || storage.GetStorage().WebProxy {
 			query := "?"
 			if needSign(meta, reqPath) {
-				query = query + "sign=" + sign.Sign(reqPath) + "&"
+				query = query + "sign=" + sign.Sign(reqPath)
 			}
 			if query == "?" {
 				query = ""
@@ -374,6 +374,9 @@ func needSign(meta *model.Meta, path string) bool {
 	if setting.GetBool(conf.SignAll) {
 		return true
 	}
+	if sign.IsStorageSigned(path) {
+		return true
+	}
 	if meta == nil || meta.Password == "" {
 		return false
 	}

server/middlewares/down.go

@@ -36,8 +36,6 @@ func Down(c *gin.Context) {
 			return
 		}
 	}
-	// verify token
-
 	c.Next()
 }
 
@@ -51,6 +49,9 @@ func needSign(meta *model.Meta, path string) bool {
 	if setting.GetBool(conf.SignAll) {
 		return true
 	}
+	if sign.IsStorageSigned(path) {
+		return true
+	}
 	if meta == nil || meta.Password == "" {
 		return false
 	}