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我正在使用Express将请求代理到受OAuth 2访问令牌保护的单独API服务器。当令牌到期时,服务器将返回一个401,我现在正在我的路由器中间件中处理,然后刷新与客户端会话相关的访问令牌(我正在使用express-session
)。在节点快递中再次调用相同请求
这里是我的代码:
router.js
app.use('/api', require('./routes.js'));
routes.js
var express = require('express'),
router = express.Router(),
routesController = require('./routes.controller.js');
router.route('/*')
.get(routesController.fetch);
routes.controller.js
module.exports.fetch = function(req, res, next) {
var options = helpers.buildAPIRequestOptions(req);
request(options, function(err, response, body){
if(response.statusCode === 401) {
authController.refreshToken(req, res, next);
} else {
res.status(response.statusCode).send(body);
}
});
};
authController
module.exports.refreshToken = function(req, res, next) {
var formData = {
grant_type: 'refresh_token',
refresh_token: req.session.refreshToken,
scope: 'PRODUCTION'
},
headers = {
'Authorization' : 'Basic ' + consts.CLIENT_KEY_SECRET_BASE64_DEV
};
request.post({url:consts.ACCESS_TOKEN_REQUEST_URL_DEV, form:formData, headers: headers, rejectUnauthorized: false}, function(err, response, body){
var responseBody = JSON.parse(body);
if (response.statusCode === 200) {
req.session.accessToken = responseBody.access_token;
req.session.refreshToken = responseBody.refresh_token;
next();
//How to recall the original request made from fetch controller function after this point?
} else {
console.log('SOMETHING ELSE HAPPENED!');
}
});
};
更新令牌后,我想重新问题,我用我取数据控制器的request
模块触发原来的API请求。
我有点难住我该如何去做这件事,有没有一种优雅的方式来实现这一目标?