Support user uploading via xlsx.

controllers/user_upload.go

@@ -0,0 +1,60 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package controllers
+
+import (
+	"fmt"
+	"io"
+	"mime/multipart"
+	"os"
+
+	"github.com/casbin/casdoor/object"
+	"github.com/casbin/casdoor/util"
+)
+
+func saveFile(path string, file *multipart.File) {
+	f, err := os.Create(path)
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	_, err = io.Copy(f, *file)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func (c *ApiController) UploadUsers() {
+	userId := c.GetSessionUsername()
+	owner, user := util.GetOwnerAndNameFromId(userId)
+
+	file, header, err := c.Ctx.Request.FormFile("file")
+	if err != nil {
+		panic(err)
+	}
+	fileId := fmt.Sprintf("%s_%s_%s", owner, user, util.RemoveExt(header.Filename))
+
+	path := util.GetUploadXlsxPath(fileId)
+	util.EnsureFileFolderExists(path)
+	saveFile(path, &file)
+
+	affected := object.UploadUsers(owner, fileId)
+	if affected {
+		c.ResponseOk()
+	} else {
+		c.ResponseError("Failed to import users")
+	}
+}