jwt改为动态密钥

index.js

@@ -16,11 +16,12 @@ export default {
   name: 'jwt',
   install() {
     var expires = this.get('session').ttl
-    var secret = this.get('jwt') || 'it_is_secret_key'
+    var opened = this.get('jwt')
 
     return {
       // 签名, 返回token
-      sign(data) {
+      sign(data, secret = 'it_is_secret_key') {
+        if (opened) {
           // header: base64("{"typ":"JWT","alg":"HS256"}")
           // 这里固定使用sha256,
           var header = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'
@@ -33,10 +34,12 @@ export default {
           auth_str = hmac(`${header}.${payload}`, secret)
 
           return [header, payload, auth_str].join('.')
+        }
       },
 
       // 校验token
-      verify(token = '') {
+      verify(token = '', secret = 'it_is_secret_key') {
+        if (opened) {
           var jwt = token.split('.')
           var auth_str, payload
 
@@ -48,7 +51,7 @@ export default {
 
           // 如果已经过期, 则不再校验hash
           if (payload.expires < Date.now()) {
-          return 'expired'
+            return false
           }
 
           if (hmac(jwt.join('.'), secret) === auth_str) {
@@ -59,4 +62,5 @@ export default {
         }
       }
     }
+  }
 }