SpringCloud的spring-security怎么配置

    org.springframework.cloud
    spring-cloud-starter-security


   org.thymeleaf.extras
   thymeleaf-extras-springsecurity4

package com.example.demo.config;

import com.example.demo.utils.security.CustomUserService;

import com.example.demo.utils.security.LoginSuccessHandler;

import com.example.demo.utils.security.MyFilterSecurityInterceptor;

import com.example.demo.utils.security.SecuritySettings;

import org.apache.commons.lang3.StringUtils;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

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.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;

import org.springframework.security.web.access.intercept.FilterSecurityInterceptor;

import org.springframework.security.web.authentication.AuthenticationSuccessHandler;

import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;

/**

 * Security安全配置

 *

 * @Author: 我爱大金子

 * @Description: Security安全配置

 * @Date: Create in 15:20 2017/7/5

 */

@Configuration

@EnableWebSecurity

public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired

    private CustomFilterSecurityInterceptor customFilterSecurityInterceptor;    // 权限管理过滤器

    @Autowired

    private SecuritySettings securitySettings;     // 自定义安全配置类

    /**注册UserDetailsService的bean*/

    @Bean

    public UserDetailsService customUserService(){

        return new CustomUserService();

    }

    /**登录认证*/

    @Override

    protected void configure(AuthenticationManagerBuilder auth) throws Exception {

        auth.userDetailsService(customUserService()); //userDetailsService验证

    }

    /***设置不拦截规则*/

    @Override

    public void configure(WebSecurity web) throws Exception {

        web.ignoring().antMatchers("/js/**", "/css/**", "/images/**", "/druid/**");

    }

    /**安全策略配置*/

    @Override

    protected void configure(HttpSecurity http) throws Exception {

        // 设置游客可以访问的URI

        if (StringUtils.isNotBlank(securitySettings.getPermitall())) {

            http.authorizeRequests().antMatchers(securitySettings.getPermitall().split(",")).permitAll();

        }

        http.authorizeRequests()

                .anyRequest().authenticated() //任何请求,登录后可以访问

                // 配置登录URI、登录失败跳转URI与登录成功后默认跳转URI

                .and().formLogin().loginPage("/login").failureUrl("/login?error").permitAll().defaultSuccessUrl("/", true).successHandler(loginSuccessHandler())

                // 注销行为任意访问

                .and().logout().permitAll()

                // 设置拒绝访问的提示URI

                .and().exceptionHandling().accessDeniedPage("/login?illegal")

        ;

        http.addFilterBefore(myFilterSecurityInterceptor, FilterSecurityInterceptor.class);

    }

    /**登录成功处理器*/

    private AuthenticationSuccessHandler loginSuccessHandler() {

        return new LoginSuccessHandler();

    }

}

package com.example.demo.utils.security;

import org.springframework.boot.context.properties.ConfigurationProperties;

import org.springframework.context.annotation.Configuration;

/**

 * 自定义安全配置类

 *

 * @Author: 我爱大金子

 * @Description: 自定义安全配置类

 * @Date: Create in 9:45 2017/7/6

 */

@Configuration

@ConfigurationProperties(prefix = "securityConfig")

public class SecuritySettings {

    /**允许访问的URL，多个用逗号分隔*/

    private String permitall;

    public String getPermitall() {

        return permitall;

    }

    public void setPermitall(String permitall) {

        this.permitall = permitall;

    }

}

package com.example.demo.utils.security;

import com.example.demo.pojo.SysUser;

import org.springframework.security.core.Authentication;

import org.springframework.security.core.userdetails.User;

import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

/**

 * 登录成功处理器

 *

 * @Author: 我爱大金子

 * @Description: 登录成功处理器

 * @Date: Create in 11:35 2017/7/6

 */

public class LoginSuccessHandler extends SavedRequestAwareAuthenticationSuccessHandler {

    @Override

    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws ServletException, IOException {

        User userDetails = (User) authentication.getPrincipal();

        System.out.println("登录用户：username=" + userDetails.getUsername() + ", uri=" + request.getContextPath());

        super.onAuthenticationSuccess(request, response, authentication);

    }

}

package com.example.demo.config;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

/**

 * springMVC 配置（注册访问 /login 转向 login.html 页面）

 *

 * @Author: 我爱大金子

 * @Description: springMVC 配置（注册访问 /login 转向 login.html 页面）

 * @Date: Create in 16:24 2017/7/5

 */

@Configuration

public class WebMvcConfig extends WebMvcConfigurerAdapter {

    @Override

    public void addViewControllers(ViewControllerRegistry registry) {

        registry.addViewController("/login").setViewName("login");

    }

}

package com.example.demo.utils.security;

import com.example.demo.dao.SysPermissionDao;

import com.example.demo.dao.SysUserDao;

import com.example.demo.pojo.SysPermission;

import org.springframework.security.core.userdetails.User;

import com.example.demo.pojo.SysUser;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.security.core.GrantedAuthority;

import org.springframework.security.core.authority.SimpleGrantedAuthority;

import org.springframework.security.core.userdetails.UserDetails;

import org.springframework.security.core.userdetails.UserDetailsService;

import org.springframework.security.core.userdetails.UsernameNotFoundException;

import java.util.ArrayList;

import java.util.List;

/**

 * 自定义UserDetailsService,将用户权限交给springsecurity进行管控

 *

 * @Author: 我爱大金子

 * @Description: 将用户权限交给Springsecurity进行管控

 * @Date: Create in 16:19 2017/7/5

 */

public class CustomUserService implements UserDetailsService {

    @Autowired

    private SysUserDao sysUserDao;

    @Autowired

    private SysPermissionDao sysPermissionDao;

    @Override

    public UserDetails loadUserByUsername(String username) {

        SysUser user = sysUserDao.findByUserName(username);

        if (user != null) {

            List permissions = sysPermissionDao.findByAdminUserId(user.getId());

            List grantedAuthorities = new ArrayList <>();

            for (SysPermission permission : permissions) {

                if (permission != null && permission.getName()!=null) {

                    GrantedAuthority grantedAuthority = new SimpleGrantedAuthority(permission.getName());

                    //1：此处将权限信息添加到 GrantedAuthority 对象中，在后面进行全权限验证时会使用GrantedAuthority 对象。

                    grantedAuthorities.add(grantedAuthority);

                }

            }

            return new User(user.getUsername(), user.getPassword(), grantedAuthorities);

        } else {

            throw new UsernameNotFoundException("admin: " + username + " do not exist!");

        }

    }

}

package com.example.demo.utils.security;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.security.access.SecurityMetadataSource;

import org.springframework.security.access.intercept.AbstractSecurityInterceptor;

import org.springframework.security.access.intercept.InterceptorStatusToken;

import org.springframework.security.web.FilterInvocation;

import org.springframework.stereotype.Service;

import java.io.IOException;

/**

 * 权限管理过滤器

 *

 * @Author: 我爱大金子

 * @Description: 权限管理过滤器

 * @Date: Create in 17:16 2017/7/5

 */

@Service

public class CustomFilterSecurityInterceptor extends AbstractSecurityInterceptor implements Filter {

    @Autowired

    private CustomFilterInvocationSecurityMetadataSource customFilterInvocationSecurityMetadataSource;  // 权限配置资源管理器

    /**权限管理决断器*/

    @Autowired

    public void setMyAccessDecisionManager(CustomAccessDecisionManager customAccessDecisionManager) {

        super.setAccessDecisionManager(customAccessDecisionManager);

    }

    @Override

    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

        FilterInvocation fi = new FilterInvocation(request, response, chain);

        invoke(fi);

    }

    public void invoke(FilterInvocation fi) throws IOException, ServletException {

        //fi里面有一个被拦截的url

        //里面调用MyInvocationSecurityMetadataSource的getAttributes(Object object)这个方法获取fi对应的所有权限

        //再调用MyAccessDecisionManager的decide方法来校验用户的权限是否足够

        InterceptorStatusToken token = super.beforeInvocation(fi);

        try {

            //执行下一个拦截器

            fi.getChain().doFilter(fi.getRequest(), fi.getResponse());

        } finally {

            super.afterInvocation(token, null);

        }

    }

    @Override

    public void destroy() {

    }

    @Override

    public Class getSecureObjectClass() {

        return FilterInvocation.class;

    }

    @Override

    public SecurityMetadataSource obtainSecurityMetadataSource() {

        return this.customFilterInvocationSecurityMetadataSource;

    }

}

package com.example.demo.utils.security;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.security.access.SecurityMetadataSource;

import org.springframework.security.access.intercept.AbstractSecurityInterceptor;

import org.springframework.security.access.intercept.InterceptorStatusToken;

import org.springframework.security.web.FilterInvocation;

import org.springframework.stereotype.Service;

import java.io.IOException;

/**

 * 权限管理过滤器

 *

 * @Author: 我爱大金子

 * @Description: 权限管理过滤器

 * @Date: Create in 17:16 2017/7/5

 */

@Service

public class CustomFilterSecurityInterceptor extends AbstractSecurityInterceptor implements Filter {

    Logger log = LoggerFactory.getLogger(CustomFilterSecurityInterceptor.class);

    @Autowired

    private CustomFilterInvocationSecurityMetadataSource customFilterInvocationSecurityMetadataSource;  // 权限配置资源管理器

    /**权限管理决断器*/

    @Autowired

    public void setMyAccessDecisionManager(CustomAccessDecisionManager customAccessDecisionManager) {

        super.setAccessDecisionManager(customAccessDecisionManager);

    }

    @Override

    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

        FilterInvocation fi = new FilterInvocation(request, response, chain);

        log.info("【权限管理过滤器】请求URL：" + fi.getRequestUrl());

        invoke(fi);

    }

    public void invoke(FilterInvocation fi) throws IOException, ServletException {

        //fi里面有一个被拦截的url

        //里面调用CustomFilterInvocationSecurityMetadataSource的getAttributes(Object object)这个方法获取fi对应的所有权限

        //再调用CustomAccessDecisionManager的decide方法来校验用户的权限是否足够

        InterceptorStatusToken token = super.beforeInvocation(fi);

        try {

            //执行下一个拦截器

            fi.getChain().doFilter(fi.getRequest(), fi.getResponse());

        } catch(Exception e) {

            log.error("【权限管理过滤器】【异常】" + e.getMessage(), e);

        } finally {

            super.afterInvocation(token, null);

        }

    }

    @Override

    public void destroy() {

    }

    @Override

    public Class getSecureObjectClass() {

        return FilterInvocation.class;

    }

    @Override

    public SecurityMetadataSource obtainSecurityMetadataSource() {

        return this.customFilterInvocationSecurityMetadataSource;

    }

}

package com.example.demo.utils.security;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.security.access.AccessDecisionManager;

import org.springframework.security.access.AccessDeniedException;

import org.springframework.security.access.ConfigAttribute;

import org.springframework.security.authentication.InsufficientAuthenticationException;

import org.springframework.security.core.Authentication;

import org.springframework.security.core.GrantedAuthority;

import org.springframework.stereotype.Service;

import java.util.Collection;

import java.util.Iterator;

/**

 * 权限管理决断器

 *

 * @Author: 我爱大金子

 * @Description: 权限管理决断器

 * @Date: Create in 17:15 2017/7/5

 */

@Service

public class CustomAccessDecisionManager implements AccessDecisionManager {

    Logger log = LoggerFactory.getLogger(CustomAccessDecisionManager.class);

    // decide 方法是判定是否拥有权限的决策方法，

    //authentication 是释CustomUserService中循环添加到 GrantedAuthority 对象中的权限信息集合.

    //object 包含客户端发起的请求的requset信息，可转换为 HttpServletRequest request = ((FilterInvocation) object).getHttpRequest();

    //configAttributes 为MyInvocationSecurityMetadataSource的getAttributes(Object object)这个方法返回的结果，此方法是为了判定用户请求的url 是否在权限表中，如果在权限表中，则返回给 decide 方法，用来判定用户是否有此权限。如果不在权限表中则放行。

    @Override

    public void decide(Authentication authentication, Object object, Collection configAttributes) throws AccessDeniedException, InsufficientAuthenticationException {

        if(null== configAttributes || configAttributes.size() <=0) {

            return;

        }

        ConfigAttribute c;

        String needRole;