refs '#6264' feat: memoization accessTokenConfig

back/methods/vn-user/is-token-valid.js

@@ -1,5 +1,8 @@
+const tokenConfig = require('./token-config');
+
+module.exports = async token => {
+    const accessTokenConfig = await tokenConfig();
 
-module.exports = async(token, accessTokenConfig) => {
     const now = new Date();
     const differenceMilliseconds = now - token.created;
     const differenceSeconds = Math.floor(differenceMilliseconds / 1000);

back/methods/vn-user/renew-token.js

@@ -1,5 +1,7 @@
 const UserError = require('vn-loopback/util/user-error');
-const handlePromiseLogout = (Self, {id}, courtesyTime = 60) => {
+const tokenConfig = require('./token-config');
+const DEFAULT_COURTESY_TIME = 60;
+const handlePromiseLogout = (Self, {id}, courtesyTime = DEFAULT_COURTESY_TIME) => {
     new Promise(res => {
         setTimeout(() => {
             res(Self.logout(id));
@@ -23,14 +25,13 @@ module.exports = Self => {
     });
 
     Self.renewToken = async function(ctx) {
-        const models = Self.app.models;
-        const token = ctx.req.accessToken;
+        const {accessToken: token} = ctx.req;
 
         // Check if current token is valid
         const isValid = await Self.validateToken(token);
         if (!isValid) throw new UserError(`The renew period has not been exceeded`, 'periodNotExceeded');
-        const fields = ['courtesyTime'];
-        const {courtesyTime} = await models.AccessTokenConfig.findOne({fields});
+
+        const {courtesyTime} = await tokenConfig();
 
         // Schedule to remove current token
         handlePromiseLogout(Self, token, courtesyTime);

back/methods/vn-user/token-config.js

@@ -0,0 +1,9 @@
+const DEFAULT_FIELDS = ['renewPeriod', 'courtesyTime'];
+const {models} = require('vn-loopback/server/server');
+let currentAccessTokenConfig = null;
+module.exports = async(fields = DEFAULT_FIELDS) => {
+    if (currentAccessTokenConfig) return currentAccessTokenConfig;
+    const accessTokenConfig = await models.AccessTokenConfig.findOne({fields});
+    if (!accessTokenConfig) currentAccessTokenConfig = accessTokenConfig;
+    return accessTokenConfig;
+};

back/methods/vn-user/validate-token.js

@@ -14,9 +14,7 @@ module.exports = Self => {
     });
 
     Self.validateToken = async function(token) {
-        const fields = ['renewPeriod', 'courtesyTime'];
-        const accessTokenConfig = await Self.app.models.AccessTokenConfig.findOne({fields});
-        const isValid = await isTokenValid(token, accessTokenConfig);
+        const isValid = await isTokenValid(token);
         return isValid;
     };
 };