OpenKF/server/internal/utils/code.go

// Copyright © 2023 OpenIM open source community. 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 utils

import (
	"math/rand"
	"time"
)

// Generate a random code with length 6
func GenerateCode() string {
	dataset := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#$%^&*()"
	rand.Seed(time.Now().UnixNano())

	code := make([]byte, 6)
	for i := 0; i < 6; i++ {
		code[i] = dataset[rand.Intn(len(dataset))]
	}

	return string(code)
}