实战项目 在线学院之集成springsecurity的配置以及执行流程

一  后端操作配置

1.0  工程结构

1.1 在common下创建spring_security模块

1.2 pom文件中依赖的注入

1.3 在service_acl模块服务中引入spring-security权限认证模块

1.3.1 service_acl引入spring-security

1.3.2 在service_acl编写查询数据库信息

 定义userDetailServiceImpl 查询用户信息的实现类

1.4 springsecurity的配置文件

1.Spring Security的核心配置就是继承WebSecurityConfigurerAdapter并注解@EnableWebSecurity的配置。

这个配置指明了用户名密码的处理方式、请求路径的开合、登录登出控制等和安全相关的配置

2.配置一些放行的请求

3.代码

package com.atguigu.serurity.config;import com.atguigu.serurity.filter.TokenAuthenticationFilter;
import com.atguigu.serurity.filter.TokenLoginFilter;
import com.atguigu.serurity.security.DefaultPasswordEncoder;
import com.atguigu.serurity.security.TokenLogoutHandler;
import com.atguigu.serurity.security.TokenManager;
import com.atguigu.serurity.security.UnauthorizedEntryPoint;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;/*** <p>* Security配置类* </p>** @author qy* @since 2019-11-18*/
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class TokenWebSecurityConfig extends WebSecurityConfigurerAdapter {private UserDetailsService userDetailsService;private TokenManager tokenManager;private DefaultPasswordEncoder defaultPasswordEncoder;private RedisTemplate redisTemplate;@Autowiredpublic TokenWebSecurityConfig(UserDetailsService userDetailsService, DefaultPasswordEncoder defaultPasswordEncoder,TokenManager tokenManager, RedisTemplate redisTemplate) {this.userDetailsService = userDetailsService;this.defaultPasswordEncoder = defaultPasswordEncoder;this.tokenManager = tokenManager;this.redisTemplate = redisTemplate;}/*** 配置设置* @param http* @throws Exception*/@Overrideprotected void configure(HttpSecurity http) throws Exception {http.exceptionHandling().authenticationEntryPoint(new UnauthorizedEntryPoint()).and().csrf().disable().authorizeRequests().anyRequest().authenticated().and().logout().logoutUrl("/admin/acl/index/logout").addLogoutHandler(new TokenLogoutHandler(tokenManager,redisTemplate)).and().addFilter(new TokenLoginFilter(authenticationManager(), tokenManager, redisTemplate)).addFilter(new TokenAuthenticationFilter(authenticationManager(), tokenManager, redisTemplate)).httpBasic();}/*** 密码处理* @param auth* @throws Exception*/@Overridepublic void configure(AuthenticationManagerBuilder auth) throws Exception {auth.userDetailsService(userDetailsService).passwordEncoder(defaultPasswordEncoder);}/*** 配置哪些请求不拦截* @param web* @throws Exception*/@Overridepublic void configure(WebSecurity web) throws Exception {
//        web.ignoring().antMatchers("/api/**",
//                "/swagger-resources/**", "/webjars/**", "/v2/**", "/swagger-ui.html/**"
//               );web.ignoring().antMatchers("/*/**");}
}

 1.5 认证授权工具类

1.加密解密工具类

@Component
public class DefaultPasswordEncoder implements PasswordEncoder {public DefaultPasswordEncoder() {this(-1);}/*** @param strength*            the log rounds to use, between 4 and 31*/public DefaultPasswordEncoder(int strength) {}public String encode(CharSequence rawPassword) {return MD5.encrypt(rawPassword.toString());}public boolean matches(CharSequence rawPassword, String encodedPassword) {return encodedPassword.equals(MD5.encrypt(rawPassword.toString()));}
}

2.token加密工具

@Component
public class TokenManager {private long tokenExpiration = 24*60*60*1000;private String tokenSignKey = "123456";public String createToken(String username) {String token = Jwts.builder().setSubject(username).setExpiration(new Date(System.currentTimeMillis() + tokenExpiration)).signWith(SignatureAlgorithm.HS512, tokenSignKey).compressWith(CompressionCodecs.GZIP).compact();return token;}public String getUserFromToken(String token) {String user = Jwts.parser().setSigningKey(tokenSignKey).parseClaimsJws(token).getBody().getSubject();return user;}public void removeToken(String token) {//jwttoken无需删除，客户端扔掉即可。}}

3.TokenLogoutHandler：退出实现

package com.atguigu.serurity.security;import com.atguigu.commonutils.R;
import com.atguigu.commonutils.ResponseUtil;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutHandler;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;/*** <p>* 登出业务逻辑类* </p>** @author qy* @since 2019-11-08*/
public class TokenLogoutHandler implements LogoutHandler {private TokenManager tokenManager;private RedisTemplate redisTemplate;public TokenLogoutHandler(TokenManager tokenManager, RedisTemplate redisTemplate) {this.tokenManager = tokenManager;this.redisTemplate = redisTemplate;}@Overridepublic void logout(HttpServletRequest request, HttpServletResponse response, Authentication authentication) {String token = request.getHeader("token");if (token != null) {tokenManager.removeToken(token);//清空当前用户缓存中的权限数据String userName = tokenManager.getUserFromToken(token);redisTemplate.delete(userName);}ResponseUtil.out(response, R.ok());}}

4.异常管理：未授权统一处理

public class UnauthorizedEntryPoint implements AuthenticationEntryPoint {@Overridepublic void commence(HttpServletRequest request, HttpServletResponse response,AuthenticationException authException) throws IOException, ServletException {ResponseUtil.out(response, R.error());}
}

 1.6 创建认证授权实体类

1.user

@Data
@ApiModel(description = "用户实体类")
public class User implements Serializable {private static final long serialVersionUID = 1L;@ApiModelProperty(value = "微信openid")private String username;@ApiModelProperty(value = "密码")private String password;@ApiModelProperty(value = "昵称")private String nickName;@ApiModelProperty(value = "用户头像")private String salt;@ApiModelProperty(value = "用户签名")private String token;}

2.securityUser

@Data
@Slf4j
public class SecurityUser implements UserDetails {//当前登录用户private transient User currentUserInfo;//当前权限private List<String> permissionValueList;public SecurityUser() {}public SecurityUser(User user) {if (user != null) {this.currentUserInfo = user;}}@Overridepublic Collection<? extends GrantedAuthority> getAuthorities() {Collection<GrantedAuthority> authorities = new ArrayList<>();for(String permissionValue : permissionValueList) {if(StringUtils.isEmpty(permissionValue)) continue;SimpleGrantedAuthority authority = new SimpleGrantedAuthority(permissionValue);authorities.add(authority);}return authorities;}@Overridepublic String getPassword() {return currentUserInfo.getPassword();}@Overridepublic String getUsername() {return currentUserInfo.getUsername();}@Overridepublic boolean isAccountNonExpired() {return true;}@Overridepublic boolean isAccountNonLocked() {return true;}@Overridepublic boolean isCredentialsNonExpired() {return true;}@Overridepublic boolean isEnabled() {return true;}
}

 1.7 认证授权的过滤器

1.7.1 认证TokenLoginFilter：认证的filter

public class TokenLoginFilter extends UsernamePasswordAuthenticationFilter {private AuthenticationManager authenticationManager;private TokenManager tokenManager;private RedisTemplate redisTemplate;public TokenLoginFilter(AuthenticationManager authenticationManager, TokenManager tokenManager, RedisTemplate redisTemplate) {this.authenticationManager = authenticationManager;this.tokenManager = tokenManager;this.redisTemplate = redisTemplate;this.setPostOnly(false);this.setRequiresAuthenticationRequestMatcher(new AntPathRequestMatcher("/admin/acl/login","POST"));}@Overridepublic Authentication attemptAuthentication(HttpServletRequest req, HttpServletResponse res)throws AuthenticationException {try {User user = new ObjectMapper().readValue(req.getInputStream(), User.class);return authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(user.getUsername(), user.getPassword(), new ArrayList<>()));} catch (IOException e) {throw new RuntimeException(e);}}/*** 登录成功* @param req* @param res* @param chain* @param auth* @throws IOException* @throws ServletException*/@Overrideprotected void successfulAuthentication(HttpServletRequest req, HttpServletResponse res, FilterChain chain,Authentication auth) throws IOException, ServletException {SecurityUser user = (SecurityUser) auth.getPrincipal();String token = tokenManager.createToken(user.getCurrentUserInfo().getUsername());redisTemplate.opsForValue().set(user.getCurrentUserInfo().getUsername(), user.getPermissionValueList());ResponseUtil.out(res, R.ok().data("token", token));}/*** 登录失败* @param request* @param response* @param e* @throws IOException* @throws ServletException*/@Overrideprotected void unsuccessfulAuthentication(HttpServletRequest request, HttpServletResponse response,AuthenticationException e) throws IOException, ServletException {ResponseUtil.out(response, R.error());}
}

1.7.2  授权TokenAuthenticationFilter

package com.atguigu.serurity.filter;import com.atguigu.commonutils.R;
import com.atguigu.commonutils.ResponseUtil;
import com.atguigu.serurity.security.TokenManager;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
import org.springframework.util.StringUtils;import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;/*** <p>* 访问过滤器* </p>** @author qy* @since 2019-11-08*/
public class TokenAuthenticationFilter extends BasicAuthenticationFilter {private TokenManager tokenManager;private RedisTemplate redisTemplate;public TokenAuthenticationFilter(AuthenticationManager authManager, TokenManager tokenManager,RedisTemplate redisTemplate) {super(authManager);this.tokenManager = tokenManager;this.redisTemplate = redisTemplate;}@Overrideprotected void doFilterInternal(HttpServletRequest req, HttpServletResponse res, FilterChain chain)throws IOException, ServletException {logger.info("================="+req.getRequestURI());if(req.getRequestURI().indexOf("admin") == -1) {chain.doFilter(req, res);return;}UsernamePasswordAuthenticationToken authentication = null;try {authentication = getAuthentication(req);} catch (Exception e) {ResponseUtil.out(res, R.error());}if (authentication != null) {SecurityContextHolder.getContext().setAuthentication(authentication);} else {ResponseUtil.out(res, R.error());}chain.doFilter(req, res);}private UsernamePasswordAuthenticationToken getAuthentication(HttpServletRequest request) {// token置于header里String token = request.getHeader("token");if (token != null && !"".equals(token.trim())) {String userName = tokenManager.getUserFromToken(token);List<String> permissionValueList = (List<String>) redisTemplate.opsForValue().get(userName);Collection<GrantedAuthority> authorities = new ArrayList<>();for(String permissionValue : permissionValueList) {if(StringUtils.isEmpty(permissionValue)) continue;SimpleGrantedAuthority authority = new SimpleGrantedAuthority(permissionValue);authorities.add(authority);}if (!StringUtils.isEmpty(userName)) {return new UsernamePasswordAuthenticationToken(userName, token, authorities);}return null;}return null;}
}

二   前端整合

2.1 element-ui的替换

将修改好的element-ui替换现在工程中的element-ui文件夹。先删除旧的，再复制新的element-ui文件夹内容。

2.2 其他文件替换

2.2.1 login.js替换和acl文件夹

将图中右边修改好的，acl文件目录和login.js复制到左边，进行替换。

login.js的内容

2.2.2 router的替换

右边写好的router.js替换左边的

router.js的内容

2.2.3 store的替换 

 2.3 安装依赖

2.4 需要修改的配置的地方

1.router.js：修改router文件夹里面index.js里面路径和vue文件地址

2. 修改数据库菜单表路径和页面地址

2.5  修改前端项目请求地址是网关地址

三   启动

3.1 前端启动

启动命令： npm run  dev

3.2 后端启动

1.nacos  2.redis

3.acl服务，和网关服务

四 springsecurity执行流程*

4.1 步骤

4.1.1.输入用户名和密码

4.2.2.请求执行到TokenLoginFilter的attemptAuthentication方法

在这个方法中获取用户名和密码

4.3.3. 查询用户信息：跳转到userDetailServiceImpl的loadUserByUserName方法。

主要是通过用户名，查询用户信息和权限信息，封装到springsecurity对象中进行返回。

4.3.4.认证成功后，再次跳转到Tolenloginfilter类中的sucessfulAuthentication()方法，如果失败跳转到unsuccessfulAuthentication方法

获取返回对象；

根据对象里面用户名生成token；

把用户和权限信息放到redis

返回生成的token

 4.3.5 请求到达授权过滤器

请求到达授权过滤器TokenAuthenticationFilter的getAuthentication方法。

从header中获取token信息，从token中获取用户名，根据用户名从redis中获取该用的权限信息。