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什么是Token Store

在Web开发中，Token Store 通常用于存储用户身份验证令牌（Tokens），例如 JSON Web Tokens (JWT) 或其他形式的令牌。这些令牌可以用于验证用户身份，实现用户会话管理以及访问控制。

一种简单的Token Store示例，使用Node.js和Express框架以及一个基于内存的Token存储方式：

const express = require('express');
const jwt = require('jsonwebtoken');const app = express();
app.use(express.json());// In-memory Token Store
const tokenStore = {};// Secret key for JWT (replace with a strong, secret key in production)
const secretKey = 'your_secret_key';// Middleware to verify JWT
function verifyToken(req, res, next) {const token = req.headers.authorization;if (!token) {return res.status(403).json({ message: 'No token provided' });}jwt.verify(token, secretKey, (err, decoded) => {if (err) {return res.status(401).json({ message: 'Failed to authenticate token' });}req.user = decoded;next();});
}// Endpoint to generate and return a JWT
app.post('/login', (req, res) => {const { username, password } = req.body;// Authenticate user (replace with your actual authentication logic)// For simplicity, assume any username and password combination is validconst user = { username, role: 'user' };// Generate a JWTconst token = jwt.sign(user, secretKey, { expiresIn: '1h' });// Store the token in memorytokenStore[token] = user;res.json({ token });
});// Protected endpoint that requires a valid JWT for access
app.get('/protected', verifyToken, (req, res) => {res.json({ message: 'This is a protected endpoint', user: req.user });
});// Start the server
const port = 3000;
app.listen(port, () => {console.log(`Server is running on http://localhost:${port}`);
});

 Spring Security 提供了几个常见的 TokenStore 实现，包括内存中存储、JDBC 数据库存储和基于 JWT（JSON Web Token）的存储。下面将分别介绍这三种实现方式，并提供基本的代码示例。

1. 内存中存储（In-Memory） 

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {@Autowiredprivate AuthenticationManager authenticationManager;@Beanpublic TokenStore inMemoryTokenStore() {return new InMemoryTokenStore();}@Overridepublic void configure(ClientDetailsServiceConfigurer clients) throws Exception {clients.inMemory().withClient("client").secret("{noop}secret")  // 使用 "{noop}" 表示不加密.authorizedGrantTypes("password", "authorization_code", "refresh_token").scopes("read", "write").accessTokenValiditySeconds(3600).refreshTokenValiditySeconds(86400);}@Overridepublic void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {endpoints.tokenStore(inMemoryTokenStore()).authenticationManager(authenticationManager);}
}

2. JDBC 数据库存储

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {@Autowiredprivate AuthenticationManager authenticationManager;@Autowiredprivate DataSource dataSource;@Beanpublic TokenStore jdbcTokenStore() {return new JdbcTokenStore(dataSource);}@Overridepublic void configure(ClientDetailsServiceConfigurer clients) throws Exception {clients.jdbc(dataSource);}@Overridepublic void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {endpoints.tokenStore(jdbcTokenStore()).authenticationManager(authenticationManager);}
}

3. 基于 JWT 的存储

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {@Autowiredprivate AuthenticationManager authenticationManager;@Value("${security.jwt.client-id}")private String clientId;@Value("${security.jwt.client-secret}")private String clientSecret;@Value("${security.jwt.grant-type}")private String grantType;@Value("${security.jwt.scope-read}")private String scopeRead;@Value("${security.jwt.scope-write}")private String scopeWrite;@Value("${security.jwt.resource-ids}")private String resourceIds;@Beanpublic TokenStore jwtTokenStore() {return new JwtTokenStore(jwtAccessTokenConverter());}@Beanpublic JwtAccessTokenConverter jwtAccessTokenConverter() {JwtAccessTokenConverter converter = new JwtAccessTokenConverter();converter.setSigningKey("secret");return converter;}@Overridepublic void configure(ClientDetailsServiceConfigurer clients) throws Exception {clients.inMemory().withClient(clientId).secret("{noop}" + clientSecret).authorizedGrantTypes(grantType).scopes(scopeRead, scopeWrite).resourceIds(resourceIds);}@Overridepublic void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {endpoints.tokenStore(jwtTokenStore()).accessTokenConverter(jwtAccessTokenConverter()).authenticationManager(authenticationManager);}
}

小结

我们介绍了Spring Security中三种不同的Token Store实现方式。具体包括内存中存储、JDBC数据库存储和基于JWT的存储。每个实现方式都涉及到授权服务器的配置，用于管理和验证令牌，以及客户端详情的配置。

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