118 lines
3.4 KiB
JavaScript
118 lines
3.4 KiB
JavaScript
import dayjs from 'dayjs'
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import crypto from 'crypto'
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// 密码加密 key（与原 PHP 保持一致）
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const PASSWORD_KEY = process.env.PASSWORD_KEY || 'WVImV8mIMnpY9Lrmh3yoaJ2yRLNACBfg'
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/**
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* 格式化时间
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*/
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export function time(date) {
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return dayjs(date).format('YYYY-MM-DD HH:mm:ss')
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}
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/**
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* 当前 Unix 时间戳（秒）
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*/
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export function unixTime() {
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return Math.floor(Date.now() / 1000)
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}
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/**
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* md5 加密（兼容 PHP md5()）
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*/
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export function md5(str) {
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return crypto.createHash('md5').update(str).digest('hex')
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}
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/**
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* 对密码做 md5+key 加密（与原 PHP PASSWORD_KEY 逻辑一致）
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*/
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export function encryptPassword(password) {
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return md5(password + PASSWORD_KEY)
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}
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/**
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* 生成随机验证码
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* @param {number} length 长度
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* @param {'NUMBER'|'CHAR'|'ALL'} type 类型
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*/
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export function generateCode(length = 6, type = 'NUMBER') {
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const chars = {
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NUMBER: '0123456789',
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CHAR: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
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ALL: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
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}
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const pool = chars[type] || chars.NUMBER
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let code = ''
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for (let i = 0; i < length; i++) {
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code += pool[Math.floor(Math.random() * pool.length)]
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}
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return code
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}
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/**
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* 获取客户端真实 IP（支持代理）
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*/
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export function getClientIp(ctx) {
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return (
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ctx.request.headers['x-forwarded-for']?.split(',')[0]?.trim() ||
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ctx.request.headers['x-real-ip'] ||
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ctx.ip
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)
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}
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/**
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* 校验账号格式（6-16位字母数字下划线）
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*/
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export function isValidAccount(account) {
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return /^[a-zA-Z0-9_]{6,16}$/.test(account)
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}
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/**
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* 校验邮箱格式
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*/
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export function isValidEmail(email) {
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return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)
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}
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/**
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* 从 User-Agent 解析设备/系统/浏览器信息（与 PHP function.php 保持一致）
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* @param {string} ua
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* @returns {{ device: string, os: string, browse: string }}
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*/
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export function getDeviceInfo(ua = '') {
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const uaLower = ua.toLowerCase()
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// 设备类型
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let device = 'pc'
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if (/mobile|android|iphone|ipad|ipod|windows phone/i.test(ua)) device = 'mobile'
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// 操作系统
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let os = 'Other'
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if (/windows nt 10/i.test(ua)) os = 'Windows 10'
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else if (/windows nt 6\.3/i.test(ua)) os = 'Windows 8.1'
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else if (/windows nt 6\.2/i.test(ua)) os = 'Windows 8'
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else if (/windows nt 6\.1/i.test(ua)) os = 'Windows 7'
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else if (/windows nt 6\.0/i.test(ua)) os = 'Windows Vista'
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else if (/windows nt 5\.1/i.test(ua)) os = 'Windows XP'
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else if (/windows/i.test(ua)) os = 'Windows'
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else if (/android (\d+\.\d+)/i.test(ua)) os = 'Android ' + ua.match(/android (\d+\.\d+)/i)[1]
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else if (/iphone os (\d+_\d+)/i.test(ua)) os = 'iOS ' + ua.match(/iphone os (\d+_\d+)/i)[1].replace('_', '.')
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else if (/ipad.*os (\d+_\d+)/i.test(ua)) os = 'iPadOS ' + ua.match(/ipad.*os (\d+_\d+)/i)[1].replace('_', '.')
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else if (/mac os x/i.test(ua)) os = 'macOS'
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else if (/linux/i.test(ua)) os = 'Linux'
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// 浏览器
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let browse = 'Other'
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if (/edg\//i.test(ua)) browse = 'Edge'
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else if (/opr\//i.test(ua) || /opera/i.test(ua)) browse = 'Opera'
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else if (/chrome\/(\d+)/i.test(ua)) browse = 'Chrome ' + ua.match(/chrome\/(\d+)/i)[1]
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else if (/firefox\/(\d+)/i.test(ua)) browse = 'Firefox ' + ua.match(/firefox\/(\d+)/i)[1]
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else if (/safari\/(\d+)/i.test(ua) && !/chrome/i.test(ua)) browse = 'Safari'
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else if (/micromessenger/i.test(ua)) browse = '微信'
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else if (/mqqbrowser/i.test(ua)) browse = 'QQ浏览器'
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return { device, os, browse }
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}
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