今天我们来看一个Node.JS的实际应用。这是国外的Paper应用开发者所搭建的OAuth2服务器,使用的主要技术包括:
- Node.JS 的Express框架
- Mongoose工具集,Mongodb的一个流行库,方便建立模型。
- bcrypt,用于密码加密
- superagent,用于测试
Papers是一项论文数据库移动应用,有iOS和Android版本。写论文的同学们会很需要,关于它的介绍,请看开发者的官方博客。http://blog.papersapp.com/oauth-server-in-node-js/
虽然Papers并不是开源的,但是作者已经把写好的node-oauth2-server模块以及Papers的认证过程一起打包放在了GitHub上,我们可以下载研究:
https://github.com/mekentosj/oauth2-example
在代码中的Models目录下,我们可以清楚的看到Model的Schema定义。从这里,我们可以明白OAuth2的需要处理的主要数据结构,包括access_token, refresh_token, oauth_client.
- var OAuthAccessTokensSchema = new Schema({
- accessToken: { type: String, required: true, unique: true },
- clientId: String,
- userId: { type: String, required: true },
- expires: Date
- });
- var OAuthRefreshTokensSchema = new Schema({
- refreshToken: { type: String, required: true, unique: true },
- clientId: String,
- userId: { type: String, required: true },
- expires: Date
- });
- var OAuthClientsSchema = new Schema({
- clientId: String,
- clientSecret: String,
- redirectUri: String
- });
- var OAuthUsersSchema = new Schema({
- email: { type: String, unique: true, required: true },
- hashed_password: { type: String, required: true },
- password_reset_token: { type: String, unique: true },
- reset_token_expires: Date,
- firstname: String,
- lastname: String
- });
通过运行代码中的seed.js,我们创建了一个user.
- var app = require('./app');
- var models = require('./models');
- models.User.create({
- email: 'alex@cdxwcx.com',
- hashed_password: '$2a$10$aZB36UooZpL.fAgbQVN/j.pfZVVvkHxEnj7vfkVSqwBOBZbB/IAAK'
- }, function() {
- models.OAuthClientsModel.create({
- clientId: 'papers3',
- clientSecret: '123',
- redirectUri: '/oauth/redirect'
- }, function() {
- process.exit();
- });
- });
这样我们就可以开始体验这个Node.JS的OAuth2服务器了。先让Mongo运行起来,负责后台数据库, 比如"mongod -dbpath ./", 之后运行"npm start".
- oliverluan@localhost:~/Documents/EvWork/node_oauth2_example/oauth2-example$ npm start
- > oauth2-experiment@0.0.1 start /Users/oliverluan/Documents/EvWork/node_oauth2_example/oauth2-example
- > ./node_modules/.bin/nodemon server.js
- 14 Apr 07:02:43 - [nodemon] v1.0.17
- 14 Apr 07:02:43 - [nodemon] to restart at any time, enter `rs`
- 14 Apr 07:02:43 - [nodemon] watching: *.*
- 14 Apr 07:02:43 - [nodemon] starting `node server.js`
- connect.multipart() will be removed in connect 3.0
- visit https://github.com/senchalabs/connect/wiki/Connect-3.0 for alternatives
- connect.limit() will be removed in connect 3.0
- Express server listening on port: 3000
- POST /oauth/token 200 102ms - 175b
- GET /secret 200 2ms - 11b
模拟一个Oauth2的access token请求,运行这份文件(node getToken.js)
- var request = require('request');
- //client_id
- var t_client_id = 'papers3';
- //client_secret
- var t_client_secret = '123';
- //clientCredentials 以client_id:client_secret形式组合并转换成Base64-encoded
- var clientCredentials = (t_client_id + ':'+t_client_secret).toString('base64');
- //用户名
- var t_username = 'alex@cdxwcx.com';
- //密码
- var t_password = 'test';
- console.log(clientCredentials);
- //发送Post请求获取Token
- request.post({
- url: 'http://' + clientCredentials + '@localhost:3000/oauth/token',
- form: {
- grant_type: 'password',
- username: t_username,
- password: t_password,
- client_id: t_client_id,
- client_secret: t_client_secret
- },
- }, function(err, res, body) {
- console.log(body);
- //获得Token
- var accessToken = JSON.parse(body).access_token;
- request.get({
- url: 'http://localhost:3000/secret',
- headers: { Authorization: 'Bearer ' + accessToken }
- }, function(err, res, body) {
- console.log(body);
- });
- });
成功获得access token.
- oliverluan@localhost:~/Documents/EvWork/node_oauth2_example/oauth2-example$ node getToken.js
- papers3:123
- {
- "token_type": "bearer",
- "access_token": "620bb362f32857d5174802e06065305874953597",
- "expires_in": 3600,
- "refresh_token": "569be5f4cc1ea943021b3676eaa2a51825c2c257"
- }
- Secret area
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