jwt改为可安装模块

Readme.md

@@ -10,3 +10,14 @@
 npm install @gm5/jwt
 ```
 
+## 使用
+
+```js
+
+import Five from '@gm5/code'
+import jwt from '@gm5/jwt'
+
+var app = new Five()
+app.install(jwt)
+
+```

index.js

@@ -13,16 +13,17 @@ function hmac(str, secret) {
 }
 
 export default {
-  expires: 7 * 24 * 3600,
-  secret: 'this is secret key',
+  name: 'jwt',
+  install() {
+    var expires = this.get('session').ttl
+    var secret = this.get('jwt')
 
+    return {
       // 签名, 返回token
       sign(data) {
         // header: base64("{"typ":"JWT","alg":"HS256"}")
         // 这里固定使用sha256,
         var header = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
-    var { expires, secret } = this
-
         // 加入过期时间, 同session.ttl
         var payload = { data, expires: Date.now() + expires * 1000 }
         var auth_str = ''
@@ -50,10 +51,12 @@ export default {
           return 'expired'
         }
 
-    if (hmac(jwt.join('.'), this.secret) === auth_str) {
+        if (hmac(jwt.join('.'), secret) === auth_str) {
           return payload.data
         }
 
         return false
       }
+    }
+  }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@gm5/jwt",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "type": "module",
   "description": "json web token",
   "main": "index.js",