我已经配置了我的服务器,如下所示:
import express from 'express';
import { ApolloServer } from 'apollo-server-express';
import { typeDefs, resolvers } from './schema';
import playgroundSettings from './playground.json';
import isAuth from './middleware/isAuth';
// GraphQL: Schema
const server = new ApolloServer({
typeDefs,
resolvers,
playground: {
endpoint: '/blog', /* populates the playground endpoint box below the tab-strip. */
settings: playgroundSettings,
},
});
// Express: Initialize
const app = express();
// Middleware: isAuth
app.use(isAuth);
// Middleware: GraphQL route
server.applyMiddleware({
app,
path: '/',
});
// Express: Listener
app.listen(process.env.GRAPH_BLOG_PORT, () => {
console.log(`Server started on port: ${process.env.GRAPH_BLOG_PORT}`);
});
// Exports
export default app;
这是一个使用Apollo Server 2.0和ExpressJS实现的GraphQL。然而,正如您所见,我正在使用自定义中间件在命中GraphQL路由之前执行一些授权任务。此中间件名为isAuth.js
,并按预期进行调用和执行。但是,我无法从解析器中检索到此中间件添加到我的req对象的属性。中间件如下:
// isAuth.js
import jwt from 'jsonwebtoken';
module.exports = (req, res, next) => {
let decodedToken;
const authHeader = req.get('Authorization');
if (!authHeader) {
req.isAuth = false;
return next();
}
const token = authHeader.split(' ')[1];
if (!token || token === '') {
req.isAuth = false;
return next();
}
try {
decodedToken = jwt.verify(token, process.env.GRAPH_BLOG_JWT_SECRET);
} catch (err) {
req.isAuth = false;
return next();
}
if (!decodedToken) {
req.isAuth = false;
return next();
}
req.isAuth = true;
req._id = decodedToken._id;
return next();
};
当我在我的解析器中使用console.log(req);
时,我希望能够获取到像isAuth
和_id
这样的属性,但实际上我得到了以下结果:
{ _extensionStack:
GraphQLExtensionStack {
extensions: [ [FormatErrorExtension], [CacheControlExtension] ] } }
发生了什么?
res.locals
。您可能想要使用res.locals.isAuth
和res.locals._id
。 - Anand Undavia