完成2.0版重构

index.js

@@ -7,41 +7,57 @@
 import crypto from 'crypto.js'
 import { base64encode, base64decode, sha1 } from 'crypto.js'
 
+const HS256_HEADER = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
+const DEFAULT_CONFIG = {
+  ttl: 3600 * 24 * 7,
+  level: 0, // 校验级别, 0: 不校验客户端, 2: ua, 4: ip, 6: ua + ip
+  secret: 'it_is_secret_key' // jwt密钥, 使用时请修改
+}
+
 function hmac(str, secret) {
-  var buf = crypto.hmac('sha256', str, secret, 'buffer')
+  let buf = crypto.hmac('sha256', str, secret, 'buffer')
   return base64encode(buf, true)
 }
 
-export const jwtPackage = {
+export const JwtModule = {
   name: 'jwt',
-  install() {
+  install(conf = {}) {
+    if (!conf.secret) {
+      console.warn(
+        new Error(
+          'Please make sure to set the `secret` field, as the default value is not secure'
+        )
+      )
+    }
+
+    let jwt = Object.assign({}, DEFAULT_CONFIG, conf)
+    this.set({ jwt })
+
     return {
+      ttl: jwt.ttl,
       // 签名, 返回token
-      sign(data, secret, ttl) {
       // header: base64("{"typ":"JWT","alg":"HS256"}")
-        // 这里固定使用sha256,
-        var header = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
-
+      // 这里固定使用sha256
+      sign(data, secret) {
         // 加入过期时间,
-        var payload = { data, expires: Date.now() + ttl * 1000 }
-        var auth_str = ''
+        let payload = { data, expires: Date.now() + this.ttl * 1000 }
+        let token = ''
 
-        payload = JSON.stringify(payload)
-        payload = base64encode(payload, true)
-        auth_str = hmac(`${header}.${payload}`, secret)
+        payload = base64encode(JSON.stringify(payload), true)
+        token = hmac(`${HS256_HEADER}.${payload}`, secret)
 
-        return [header, payload, auth_str].join('.')
+        return `${HS256_HEADER}.${payload}.${token}`
       },
 
       // 校验token
       verify(token = '', secret) {
-        var jwt = token.split('.')
-        var auth_str, payload
+        let jwt = token.split('.')
+        let auth, payload
 
         if (jwt.length !== 3) {
           return false
         }
-        auth_str = jwt.pop()
+        auth = jwt.pop()
         payload = JSON.parse(base64decode(jwt[1], true))
 
         // 如果已经过期, 则不再校验hash
@@ -49,7 +65,7 @@ export const jwtPackage = {
           return false
         }
 
-        if (hmac(jwt.join('.'), secret) === auth_str) {
+        if (hmac(jwt.join('.'), secret) === auth) {
           return payload.data
         }
 
@@ -59,10 +75,11 @@ export const jwtPackage = {
   }
 }
 
-export function jwtConnect(req, res, next) {
-  var { secret, level } = this.get('jwt')
-  var deviceID = ''
-  var ssid
+export function createJwt() {
+  return function (req, res, next) {
+    let { secret, level } = this.get('jwt')
+    let deviceID = ''
+    let ssid
 
     // options请求不处理jwt
     if (req.method === 'OPTIONS') {
@@ -83,7 +100,8 @@ export function jwtConnect(req, res, next) {
       deviceID = sha1(deviceID)
     }
 
-  req.mixKey = secret + deviceID
+    req.__mix_key__ = secret + deviceID
 
     next()
+  }
 }

package.json

@@ -1,12 +1,18 @@
 {
   "name": "@gm5/jwt",
-  "version": "1.1.0",
+  "version": "2.0.0",
   "type": "module",
   "description": "json web token",
   "main": "index.js",
   "author": "yutent",
-  "keywords": ["fivejs", "jwt", "http"],
-  "repository": "https://github.com/bytedo/gmf.jwt.git",
+  "keywords": [
+    "fivejs",
+    "gm5",
+    "jwt",
+    "http",
+    "json_web_token"
+  ],
+  "repository": "https://git.wkit.fun/gm5/jwt.git",
   "license": "MIT",
   "dependencies": {
     "crypto.js": "^2.0.1"