global settings: add createUserDir option. new feature: auto create user home dir while adding user.

Former-commit-id: 331a76abdc611236ccc761d0fd9a814ed1ee0c35 [formerly 0c1024a5b8109c84d213e0cbdbe05e10eb5793d4] [formerly 467e1789f55c410ff2ca9e9ef125d9fe28410bc9 [formerly e8570e4dba58d15fae0c5bbd33a531573582fc59]]
Former-commit-id: 1eed58870b6e009d84806db6b55efc5fc3983e2a [formerly 3e9083f7758e72bd307ed23c4b512a8ab5adc523]
Former-commit-id: 5023ef77eb92636e62fde511ea609114e667a7d7

http/users.go

@@ -2,6 +2,8 @@ package http
 
 import (
 	"encoding/json"
+	"github.com/filebrowser/filebrowser/v2/settings"
+	"log"
 	"net/http"
 	"sort"
 	"strconv"
@@ -119,6 +121,14 @@ var userPostHandler = withAdmin(func(w http.ResponseWriter, r *http.Request, d *
 		return http.StatusInternalServerError, err
 	}
 
+	userHome,err := settings.CreateUserDir(req.Data.Username, req.Data.Scope, d.server.Root, d.settings)
+	if err != nil {
+		log.Printf("create user: failed to mkdir user home dir: [%s]", userHome)
+		return http.StatusInternalServerError, err
+	}
+	req.Data.Scope = userHome
+	log.Printf("user: %s, home dir: [%s].", req.Data.Username, userHome)
+
 	err = d.store.Users.Save(req.Data)
 	if err != nil {
 		return http.StatusInternalServerError, err