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| 1 | +package com.jackson0714.passjava.auth.controller; |
| 2 | + |
| 3 | +import com.jackson0714.passjava.common.utils.SecurityUtils; |
| 4 | +import com.jackson0714.passjava.jwt.common.ResponseCodeEnum; |
| 5 | +import com.jackson0714.passjava.jwt.config.PassJavaJwtProperties; |
| 6 | +import com.jackson0714.passjava.auth.jpa.SysUser; |
| 7 | +import com.jackson0714.passjava.auth.jpa.SysUserRepository; |
| 8 | +import com.jackson0714.passjava.jwt.utils.PassJavaJwtTokenUtil; |
| 9 | +import org.apache.commons.lang3.StringUtils; |
| 10 | +import org.springframework.security.crypto.password.PasswordEncoder; |
| 11 | +import org.springframework.web.bind.annotation.*; |
| 12 | + |
| 13 | +import javax.annotation.Resource; |
| 14 | +import java.util.HashMap; |
| 15 | +import java.util.Map; |
| 16 | +import reactor.core.publisher.Mono; |
| 17 | +import com.jackson0714.passjava.jwt.common.ResponseResult; |
| 18 | + |
| 19 | +/** |
| 20 | + * 获取 JWT 令牌和刷新 JWT 令牌接口 |
| 21 | + * |
| 22 | + * @author 悟空聊架构 |
| 23 | + * @site www.passjava.cn |
| 24 | + * @date 2022-08-09 |
| 25 | + * |
| 26 | + * @startuml |
| 27 | + * @enduml |
| 28 | + */ |
| 29 | +@RestController |
| 30 | +@RequestMapping("/auth") |
| 31 | +//@ConditionalOnProperty(name = "passjava.gateway.jwt.useDefaultController", havingValue = "true") |
| 32 | +public class JwtAuthController { |
| 33 | + |
| 34 | + @Resource |
| 35 | + private PassJavaJwtProperties jwtProperties; |
| 36 | + @Resource |
| 37 | + private SysUserRepository sysUserRepository; |
| 38 | + @Resource |
| 39 | + private PassJavaJwtTokenUtil jwtTokenUtil; |
| 40 | + @Resource |
| 41 | + private PasswordEncoder passwordEncoder; |
| 42 | + |
| 43 | + /** |
| 44 | + * 使用用户名密码换 JWT 令牌 |
| 45 | + */ |
| 46 | + @PostMapping("/login") |
| 47 | + public Mono<ResponseResult> login(@RequestBody Map<String,String> map){ |
| 48 | + //从请求体中获取用户名密码 |
| 49 | + String userId = map.get(jwtProperties.getUserParamName()); |
| 50 | + String password = map.get(jwtProperties.getPwdParamName()); |
| 51 | + |
| 52 | + if(StringUtils.isEmpty(userId) |
| 53 | + || StringUtils.isEmpty(password)){ |
| 54 | + return buildErrorResponse(ResponseCodeEnum.LOGIN_ERROR); |
| 55 | + } |
| 56 | + //根据用户名(用户Id)去数据库查找该用户 |
| 57 | + SysUser sysUser = sysUserRepository.findByUserId(userId); |
| 58 | + if(sysUser != null){ |
| 59 | + //将数据库的加密密码与用户明文密码match |
| 60 | + boolean isAuthenticated = passwordEncoder.matches(password, sysUser.getPassword()); |
| 61 | + //如果匹配成功 |
| 62 | + if(isAuthenticated){ |
| 63 | + // 通过 jwtTokenUtil 生成 JWT 令牌和刷新令牌 |
| 64 | + Map<String, Object> tokenMap = jwtTokenUtil.generateTokenAndRefreshToken(userId, sysUser.getUsername()); |
| 65 | + return buildSuccessResponse(tokenMap); |
| 66 | + } else{ //如果密码匹配失败 |
| 67 | + return buildErrorResponse(ResponseCodeEnum.LOGIN_ERROR); |
| 68 | + } |
| 69 | + }else{ |
| 70 | + return buildErrorResponse(ResponseCodeEnum.LOGIN_ERROR); |
| 71 | + } |
| 72 | + } |
| 73 | + |
| 74 | + /** |
| 75 | + * 刷新JWT令牌,用旧的令牌换新的令牌 |
| 76 | + */ |
| 77 | + @GetMapping("/refreshtoken") |
| 78 | + public Mono<ResponseResult> refreshtoken(@RequestHeader("${passjava.jwt.header}") String token){ |
| 79 | + token = SecurityUtils.replaceTokenPrefix(token); |
| 80 | + |
| 81 | + if (StringUtils.isEmpty(token)) { |
| 82 | + return buildErrorResponse(ResponseCodeEnum.TOKEN_MISSION); |
| 83 | + } |
| 84 | + |
| 85 | + // 对Token解签名,并验证Token是否过期 |
| 86 | + boolean isJwtNotValid = jwtTokenUtil.isTokenExpired(token); |
| 87 | + if(isJwtNotValid){ |
| 88 | + return buildErrorResponse(ResponseCodeEnum.TOKEN_INVALID); |
| 89 | + } |
| 90 | + // 验证 token 里面的 userId 是否为空 |
| 91 | + |
| 92 | + String userId = jwtTokenUtil.getUserIdFromToken(token); |
| 93 | + String username = jwtTokenUtil.getUserNameFromToken(token); |
| 94 | + if (StringUtils.isEmpty(userId)) { |
| 95 | + return buildErrorResponse(ResponseCodeEnum.TOKEN_CHECK_INFO_FAILED); |
| 96 | + } |
| 97 | + |
| 98 | + // 这里为了保证 refreshToken 只能用一次,刷新后,会从 redis 中删除。 |
| 99 | + // 如果用的不是 redis 中的 refreshToken 进行刷新令牌,则不能刷新。 |
| 100 | + // 如果使用 redis 中已过期的 refreshToken 也不能刷新令牌。 |
| 101 | + boolean isRefreshTokenNotExisted = jwtTokenUtil.isRefreshTokenNotExistCache(token); |
| 102 | + if(isRefreshTokenNotExisted){ |
| 103 | + return buildErrorResponse(ResponseCodeEnum.REFRESH_TOKEN_INVALID); |
| 104 | + } |
| 105 | + |
| 106 | + String us = jwtTokenUtil.getUserIdFromToken(token); |
| 107 | + Map<String, Object> tokenMap = jwtTokenUtil.refreshTokenAndGenerateToken(userId, username); |
| 108 | + |
| 109 | + return buildSuccessResponse(tokenMap); |
| 110 | + } |
| 111 | + |
| 112 | + /** |
| 113 | + * 登出,删除 redis 中的 accessToken 和 refreshToken |
| 114 | + * 只保证 refreshToken 不能使用,accessToken 还是能使用的。 |
| 115 | + * 如果用户拿到了之前的 accessToken,则可以一直使用到过期,但是因为 refreshToken 已经无法使用了,所以保证了 accessToken 的时效性。 |
| 116 | + * 下次登录时,需要重新获取新的 accessToken 和 refreshToken,这样才能利用 refreshToken 进行续期。 |
| 117 | + */ |
| 118 | + @PostMapping("/logout") |
| 119 | + public Mono<ResponseResult> logout(@RequestParam("username") String username){ |
| 120 | + |
| 121 | + boolean logoutResult = jwtTokenUtil.removeToken(username); |
| 122 | + if (logoutResult) { |
| 123 | + buildSuccessResponse(ResponseCodeEnum.SUCCESS); |
| 124 | + } else { |
| 125 | + buildErrorResponse(ResponseCodeEnum.LOGOUT_ERROR); |
| 126 | + } |
| 127 | + |
| 128 | + return buildSuccessResponse(ResponseCodeEnum.SUCCESS); |
| 129 | + } |
| 130 | + |
| 131 | + private Mono<ResponseResult> buildErrorResponse(ResponseCodeEnum responseCodeEnum){ |
| 132 | + return Mono.create(callback -> callback.success( |
| 133 | + ResponseResult.error(responseCodeEnum.getCode(), responseCodeEnum.getMessage()) |
| 134 | + )); |
| 135 | + } |
| 136 | + |
| 137 | + private Mono<ResponseResult> buildSuccessResponse(Object data){ |
| 138 | + return Mono.create(callback -> callback.success(ResponseResult.success(data) |
| 139 | + )); |
| 140 | + } |
| 141 | + |
| 142 | +} |
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