• 【Java】Spring Cloud OAuth2之密码模式实战

    Spring Cloud OAuth2

    代码地址：https://gitee.com/kkmy/kw-microservices.git
    (又是一年1024，分享一下之前搭的OAuth2服务)

    OAuth2依赖版本

     <dependency>
    <groupId>org.springframework.cloudgroupId>
    <artifactId>spring-cloud-starter-oauth2artifactId>
    <version>2.2.5.RELEASEversion>
dependency>

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    代码工程结构

    在这里插入图片描述

    核心代码配置

    SecurityConfig

    • 密码模式配置 BCryptPasswordEncoder
    • 自定义用户信息认证myUserDetailsService
    • 暴露authenticationManagerBean
    • 安全参数配置configure()
    MyUserDetailsService

    这里使用了策略模式，根据传来的系统类型，调用对应系统服务的接口

    package pers.kw.config.security;

import com.alibaba.fastjson.JSON;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.oauth2.common.exceptions.OAuth2Exception;
import org.springframework.stereotype.Component;
import pers.kw.common.spring.utils.SpringUtils;
import pers.kw.config.oauth.context.MyParamValue;
import pers.kw.config.oauth.context.MyParamValueThreadLocal;
import pers.kw.contants.AuthParamName;
import pers.kw.enums.AuthUserTypeEnum;
import pers.kw.service.UserDetailStrategy;

import java.util.ArrayList;
import java.util.List;

/**
 * 自定义UserDetailService
 */
@Component
public class MyUserDetailsService implements UserDetailsService {

    private static final Logger log = LoggerFactory.getLogger(MyUserDetailsService.class);

    private static final List<GrantedAuthority> authorities = new ArrayList<>(2);

    @Override
    public UserDetails loadUserByUsername(String userName) throws UsernameNotFoundException {
        log.info("自定义UserDetailsService处理start...");
        MyParamValue paramValue = MyParamValueThreadLocal.getCurrent();
        log.info("获取自定义参数信息：{}", JSON.toJSONString(paramValue));

        String userType = paramValue.getAuthParameter(AuthParamName.USER_TYPE);
        if (StringUtils.isBlank(userType)) {
            throw new OAuth2Exception(AuthParamName.USER_TYPE + "不能为空");
        }
        if (!AuthUserTypeEnum.userTypeSet.contains(userType)) {
            throw new OAuth2Exception(AuthParamName.USER_TYPE + "错误");
        }
        AuthUserTypeEnum userTypeEnum = AuthUserTypeEnum.getEnumObjByCode(userType);
        if (userTypeEnum == null) {
            log.info("oauth服务，用户认证策略配置错误，{}:{}", AuthParamName.USER_TYPE, userType);
            throw new OAuth2Exception("认证系统异常");
        }

        try {
            UserDetailStrategy userDetailStrategy = (UserDetailStrategy) SpringUtils.getBean(Class.forName(userTypeEnum.getUserStrategy()));
            return userDetailStrategy.getUserInfoByMobile(userName,authorities);
        } catch (ClassNotFoundException e) {
            log.error("oauth服务，用户认证策略配置获取异常", e);
            throw new OAuth2Exception("认证系统异常");
        }
    }
}


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    AuthorizationServerConfig

    • 授权服务安全认证配置configure(AuthorizationServerSecurityConfigurer security)
      • 自定义客户端异常处理过滤器（basic方式认证）
    • 客户端信息配置configure(ClientDetailsServiceConfigurer clients)
    • 授权服务端点配置configure(AuthorizationServerEndpointsConfigurer endpoints)
      • 自定义异常信息返回值（授权码模式、密码模式）
      • 设置token请求方式
      • token信息配置
    通过添加自定义过滤器，实现对oauth标准接口增加自定义参数

    MyOauthAuthenticationFilter

    package pers.kw.config.oauth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import org.springframework.security.web.util.matcher.OrRequestMatcher;
import org.springframework.security.web.util.matcher.RequestMatcher;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.GenericFilterBean;
import pers.kw.config.oauth.context.MyParamValue;
import pers.kw.config.oauth.context.MyParamValueThreadLocal;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 通过添加自定义过滤器，实现对oauth标准接口增加自定义参数
 */
@Component
public class MyOauthAuthenticationFilter extends GenericFilterBean implements ApplicationContextAware {

    private static final Logger log = LoggerFactory.getLogger(MyOauthAuthenticationFilter.class);

    private ApplicationContext applicationContext;

    private final RequestMatcher requestMatcher;

    private static final String URL = "/oauth/token";

    public MyOauthAuthenticationFilter() {
        this.requestMatcher = new OrRequestMatcher(
                new AntPathRequestMatcher(URL, "GET"),
                new AntPathRequestMatcher(URL, "POST")
        );
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        if (requestMatcher.matches(request)) {
            //将自定义参数，保存到当前本地线程中
            MyParamValue paramValue = new MyParamValue();
            paramValue.setAuthParameters(request.getParameterMap());
            MyParamValueThreadLocal.set(paramValue);
            filterChain.doFilter(request, response);
            //执行完成，清除线程本地变量
            MyParamValueThreadLocal.remove();
        } else {
            filterChain.doFilter(request, response);
        }
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }
}


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    自定义异常信息返回值MyWebResponseExceptionTranslator

    这里的响应码一定要设置为200，若取oauth2返回的非200响应码，在微服务调用过程中，返回值无法被正常序列化

    return new ResponseEntity<>(
                ExceptionResponse.fail(status,
                        e.getMessage())
                , headers,
                HttpStatus.OK);

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    crm调用auth服务的feign接口
    在这里插入图片描述

    package pers.kw.config.oauth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.common.DefaultThrowableAnalyzer;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.exceptions.InsufficientScopeException;
import org.springframework.security.oauth2.common.exceptions.InvalidGrantException;
import org.springframework.security.oauth2.common.exceptions.OAuth2Exception;
import org.springframework.security.oauth2.provider.error.WebResponseExceptionTranslator;
import org.springframework.security.web.util.ThrowableAnalyzer;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import pers.kw.protocol.ExceptionResponse;

import java.io.IOException;

public class MyWebResponseExceptionTranslator implements WebResponseExceptionTranslator {

    private static final Logger log = LoggerFactory.getLogger(MyWebResponseExceptionTranslator.class);

    private ThrowableAnalyzer throwableAnalyzer = new DefaultThrowableAnalyzer();


    @Override
    public ResponseEntity<ExceptionResponse> translate(Exception e) throws Exception {
        log.error("OAuth2异常处理：", e);
        // Try to extract a SpringSecurityException from the stacktrace
        Throwable[] causeChain = throwableAnalyzer.determineCauseChain(e);
        Exception ase = (OAuth2Exception) throwableAnalyzer.getFirstThrowableOfType(OAuth2Exception.class, causeChain);

        if (ase != null) {
            if (ase instanceof InvalidGrantException) {
                log.info("ase:{}", ase.getMessage());
                return handleOAuth2Exception((OAuth2Exception) ase, "密码错误");
            }
            return handleOAuth2Exception((OAuth2Exception) ase);
        }

        ase = (AuthenticationException) throwableAnalyzer.getFirstThrowableOfType(AuthenticationException.class,
                causeChain);
        if (ase != null) {
            return handleOAuth2Exception(new UnauthorizedException(e.getMessage(), e));
        }

        ase = (AccessDeniedException) throwableAnalyzer
                .getFirstThrowableOfType(AccessDeniedException.class, causeChain);
        if (ase != null) {
            return handleOAuth2Exception(new ForbiddenException(ase.getMessage(), ase));
        }

        ase = (HttpRequestMethodNotSupportedException) throwableAnalyzer.getFirstThrowableOfType(
                HttpRequestMethodNotSupportedException.class, causeChain);
        if (ase != null) {
            return handleOAuth2Exception(new MethodNotAllowed(ase.getMessage(), ase));
        }

        return handleOAuth2Exception(new ServerErrorException(HttpStatus.INTERNAL_SERVER_ERROR.getReasonPhrase(), e));
    }

    private ResponseEntity<ExceptionResponse> handleOAuth2Exception(OAuth2Exception e, String msg) throws IOException {

        int status = e.getHttpErrorCode();

        HttpHeaders headers = new HttpHeaders();
        headers.set("Cache-Control", "no-store");
        headers.set("Pragma", "no-cache");
        if (status == HttpStatus.UNAUTHORIZED.value() || (e instanceof InsufficientScopeException)) {
            headers.set("WWW-Authenticate", String.format("%s %s", OAuth2AccessToken.BEARER_TYPE, e.getSummary()));
        }
        //HttpStatus.valueOf(status)
        return new ResponseEntity<>(
                ExceptionResponse.fail(status,
                        msg)
                , headers, HttpStatus.OK
        );

    }

    private ResponseEntity<ExceptionResponse> handleOAuth2Exception(OAuth2Exception e) throws IOException {

        int status = e.getHttpErrorCode();
        HttpHeaders headers = new HttpHeaders();
        headers.set("Cache-Control", "no-store");
        headers.set("Pragma", "no-cache");
        if (status == HttpStatus.UNAUTHORIZED.value() || (e instanceof InsufficientScopeException)) {
            headers.set("WWW-Authenticate", String.format("%s %s", OAuth2AccessToken.BEARER_TYPE, e.getSummary()));
        }

        return new ResponseEntity<>(
                ExceptionResponse.fail(status,
                        e.getMessage())
                , headers,
                HttpStatus.OK);

    }

    public void setThrowableAnalyzer(ThrowableAnalyzer throwableAnalyzer) {
        this.throwableAnalyzer = throwableAnalyzer;
    }

    private static class ForbiddenException extends OAuth2Exception {

        public ForbiddenException(String msg, Throwable t) {
            super(msg, t);
        }

        @Override
        public String getOAuth2ErrorCode() {
            return "access_denied";
        }

        @Override
        public int getHttpErrorCode() {
            return 403;
        }

    }

    private static class ServerErrorException extends OAuth2Exception {

        public ServerErrorException(String msg, Throwable t) {
            super(msg, t);
        }

        @Override
        public String getOAuth2ErrorCode() {
            return "server_error";
        }

        @Override
        public int getHttpErrorCode() {
            return 500;
        }

    }

    private static class UnauthorizedException extends OAuth2Exception {

        public UnauthorizedException(String msg, Throwable t) {
            super(msg, t);
        }

        @Override
        public String getOAuth2ErrorCode() {
            return "unauthorized";
        }

        @Override
        public int getHttpErrorCode() {
            return 401;
        }

    }

    private static class MethodNotAllowed extends OAuth2Exception {

        public MethodNotAllowed(String msg, Throwable t) {
            super(msg, t);
        }

        @Override
        public String getOAuth2ErrorCode() {
            return "method_not_allowed";
        }

        @Override
        public int getHttpErrorCode() {
            return 405;
        }

    }
}


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  • 原文地址：https://blog.csdn.net/qq_36762765/article/details/133671805