Springboot开发OAuth2认证授权与资源服务器操作

package com.banling.oauth2server.config; 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher; 
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter{
	
	@Autowired
    public void globalUserDetails(AuthenticationManagerBuilder auth) throws Exception {
    	//用户信息保存在内存中
		//在鉴定角色roler时，会默认加上ROLLER_前缀
        auth.inMemoryAuthentication().withUser("user").password("user").roles("USER").and()
        	.withUser("test").password("test").roles("TEST");
    }
	
	@Override
    protected void configure(HttpSecurity http) throws Exception {
		http.formLogin() //登记界面，默认是permit All
		.and()
		.authorizeRequests().antMatchers("/","/home").permitAll() //不用身份认证可以访问
		.and()
		.authorizeRequests().anyRequest().authenticated() //其它的请求要求必须有身份认证
        .and()
        .csrf() //防止CSRF（跨站请求伪造）配置
        .requireCsrfProtectionMatcher(new AntPathRequestMatcher("/oauth/authorize")).disable();
    }
	
	@Override
    @Bean
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }
}

package com.banling.oauth2server.config; 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.approval.ApprovalStore;
import org.springframework.security.oauth2.provider.approval.TokenApprovalStore;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore; 
@Configuration
@EnableAuthorizationServer
public class AuthServerConfig extends AuthorizationServerConfigurerAdapter{
	
	@Autowired
	private TokenStore tokenStore;
	
	@Autowired
    private AuthenticationManager authenticationManager;
	
	@Autowired
	private ApprovalStore approvalStore;
	
	@Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        //添加客户端信息
        //使用内存存储OAuth客户端信息
        clients.inMemory()
                // client_id
                .withClient("client")
                // client_secret
                .secret("secret")
                // 该client允许的授权类型，不同的类型，则获得token的方式不一样。
                .authorizedGrantTypes("authorization_code","implicit","refresh_token")
                .resourceIds("resourceId")
                //回调uri，在authorization_code与implicit授权方式时，用以接收服务器的返回信息
                .redirectUris("http://localhost:8090/")
                // 允许的授权范围
                .scopes("app","test");
    }
	
	@Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
		//reuseRefreshTokens设置为false时，每次通过refresh_token获得access_token时，也会刷新refresh_token；也就是说，会返回全新的access_token与refresh_token。
		//默认值是true，只返回新的access_token，refresh_token不变。
        endpoints.tokenStore(tokenStore).approvalStore(approvalStore).reuseRefreshTokens(false)
                .authenticationManager(authenticationManager);
    }
	
	@Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security.realm("OAuth2-Sample")
        	.allowFormAuthenticationForClients()
        	.tokenKeyAccess("permitAll()")
        	.checkTokenAccess("isAuthenticated()");
    }
	
	@Bean
	public TokenStore tokenStore() {
		//token保存在内存中（也可以保存在数据库、Redis中）。
		//如果保存在中间件（数据库、Redis），那么资源服务器与认证服务器可以不在同一个工程中。
		//注意：如果不保存access_token，则没法通过access_token取得用户信息
		return new InMemoryTokenStore();
	}
	
	@Bean
	public ApprovalStore approvalStore() throws Exception {
		TokenApprovalStore store = new TokenApprovalStore();
		store.setTokenStore(tokenStore);
		return store;
	}
}

package com.banling.oauth2server.config; 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore; 
@Configuration
@EnableResourceServer
public class ResServerConfig extends ResourceServerConfigurerAdapter{
	
	@Autowired
	private TokenStore tokenStore;
 
	@Override
    public void configure(ResourceServerSecurityConfigurer resources) throws Exception {
        resources
                .tokenStore(tokenStore)
                .resourceId("resourceId");
    }
 
    @Override
    public void configure(HttpSecurity http) throws Exception {	    	
    	/*
    	 注意：
    	 1、必须先加上： .requestMatchers().antMatchers(...)，表示对资源进行保护，也就是说，在访问前要进行OAuth认证。
    	 2、接着：访问受保护的资源时，要具有哪里权限。
    	 ------------------------------------
    	 否则，请求只是被Security的拦截器拦截，请求根本到不了OAuth2的拦截器。
    	 同时，还要注意先配置：security.oauth2.resource.filter-order=3，否则通过access_token取不到用户信息。
    	 ------------------------------------
    	 requestMatchers()部分说明：
    	 Invoking requestMatchers() will not override previous invocations of ::
    	 mvcMatcher(String)}, requestMatchers(), antMatcher(String), regexMatcher(String), and requestMatcher(RequestMatcher).
    	 */
        
        http
        	// Since we want the protected resources to be accessible in the UI as well we need 
			// session creation to be allowed (it's disabled by default in 2.0.6)
        	//另外，如果不设置，那么在通过浏览器访问被保护的任何资源时，每次是不同的SessionID，并且将每次请求的历史都记录在OAuth2Authentication的details的中
			.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED)
			.and()
       		.requestMatchers()
           .antMatchers("/user","/res/**")
           .and()
           .authorizeRequests()
           .antMatchers("/user","/res/**")
           .authenticated();
    }
}

package com.banling.oauth2server.web; 
import java.security.Principal; 
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class UserController {
 
	@RequestMapping("/user")
	public Principal user(Principal principal) {
		//principal在经过security拦截后，是org.springframework.security.authentication.UsernamePasswordAuthenticationToken
		//在经OAuth2拦截后，是OAuth2Authentication
	    return principal;
	}	
}

package com.banling.oauth2server.web;
import java.security.Principal; 
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * 作为OAuth2的资源服务时，不能在Controller(或者RestController)注解上写上URL，因为这样不会被识别，会报404错误。<br>
 *<br> {
 *<br>     "timestamp": 1544580859138,
 *<br>     "status": 404,
 *<br>     "error": "Not Found",
 *<br>     "message": "No message available",
 *<br>     "path": "/res/getMsg"
 *<br> }
 *<br>
 *
 *
 */
@RestController()//作为资源服务时，不能带上url，@RestController("/res")是错的，无法识别。只能在方法上注解全路径
public class ResController {
	
	@RequestMapping("/res/getMsg")
	public String getMsg(String msg,Principal principal) {//principal中封装了客户端（用户，也就是clientDetails，区别于Security的UserDetails，其实clientDetails中也封装了UserDetails），不是必须的参数，除非你想得到用户信息，才加上principal。
		return "Get the msg: "+msg;
	}
}