From 4ef2de7aa7fc24ee19020330e781bae0b51b956c Mon Sep 17 00:00:00 2001
From: 无关风月 <443237572@qq.com>
Date: 星期一, 30 十二月 2024 10:23:58 +0800
Subject: [PATCH] 小程序
---
applet/src/main/java/com/jilongda/applet/security/AuthenticationProvider.java | 88 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 88 insertions(+), 0 deletions(-)
diff --git a/applet/src/main/java/com/jilongda/applet/security/AuthenticationProvider.java b/applet/src/main/java/com/jilongda/applet/security/AuthenticationProvider.java
new file mode 100644
index 0000000..d44a5cf
--- /dev/null
+++ b/applet/src/main/java/com/jilongda/applet/security/AuthenticationProvider.java
@@ -0,0 +1,88 @@
+package com.jilongda.applet.security;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.authentication.*;
+import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+import java.util.Objects;
+
+/**
+ * 身份验证提供者--->登录验证逻辑
+ * <p>
+ * 不管是 implements AuthenticationProvider 还是 extends DaoAuthenticationProvider 区别不大
+ * <p>
+ * DaoAuthenticationProvider 实现了 AuthenticationProvider 类
+ * <p>
+ * 验证逻辑都是在 public Authentication authenticate(Authentication authentication) throws AuthenticationException {} 方法中
+ *
+ * @author xiaochen
+ * @date 2021-01-02 20:17
+ */
+@Slf4j
+public class AuthenticationProvider extends DaoAuthenticationProvider {
+
+ private SysUserDetailsService loadUserDetailsService;
+ private PasswordEncoder passwordEncoder;
+
+ public AuthenticationProvider(SysUserDetailsService loadUserDetailsService, PasswordEncoder passwordEncoder) {
+ this.loadUserDetailsService = loadUserDetailsService;
+ this.passwordEncoder = passwordEncoder;
+ setUserDetailsService(loadUserDetailsService);
+ setPasswordEncoder(passwordEncoder);
+ }
+
+ @Override
+ public Authentication authenticate(Authentication authentication) {
+ // 可以在此处覆写整个登录认证逻辑
+ // [1] 获取 username 和 password
+ String userName = (String) authentication.getPrincipal();
+ String password = (String) authentication.getCredentials();
+ log.info("用户数据查询======================================");
+ // [2] 使用用户名从数据库读取用户信息
+ SecurityUserDetails userDetails = this.loadUserDetailsService.loadUserByUsername(userName);
+ log.info("用户数据查询======================================:{}", userDetails);
+ // 判断是否被封禁
+// userDetails.setEnabled(userDetails.getState());
+ // [3] 检查用户信息
+ if (Objects.isNull(userDetails)) {
+ throw new UsernameNotFoundException("用户账户不存在");
+// } else if (userDetails.isEnabled() || userDetails.getState()) {
+// throw new DisabledException(userName + " 用户已被禁用或删除，请联系管理员");
+ } else if (!userDetails.isAccountNonExpired()) {
+ throw new AccountExpiredException(userName + " 账号已过期");
+ } else if (!userDetails.isAccountNonLocked()) {
+ throw new LockedException(userName + " 账号已被锁定");
+ } else if (!userDetails.isCredentialsNonExpired()) {
+ throw new LockedException(userName + " 凭证已过期");
+ }
+ // [4] 数据库用户的密码，一般都是加密过的
+ String encryptedPassword = userDetails.getPassword();
+
+ // 根据加密算法加密用户输入的密码，然后和数据库中保存的密码进行比较
+ if (!this.passwordEncoder.matches(password, encryptedPassword)) {
+ throw new BadCredentialsException("密码错误");
+ }
+ // [5] 成功登陆，把用户信息提交给 Spring Security
+ // 把 userDetails 作为 principal 的好处是可以放自定义的 UserDetails，这样可以存储更多有用的信息，而不只是 username，
+ // 默认只有 username，这里的密码使用数据库中保存的密码，而不是用户输入的明文密码，否则就暴露了密码的明文
+ // 不暴露密码
+// userDetails.setPassword(null);
+ UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken = new UsernamePasswordAuthenticationToken(userDetails.getUsername(), null, null);
+ // 设置详情
+ //String userInfo = JsonUtils.toJsonString(userDetails);
+ usernamePasswordAuthenticationToken.setDetails(userDetails);
+ return usernamePasswordAuthenticationToken;
+ }
+
+ @Override
+ protected void additionalAuthenticationChecks(UserDetails userDetails, UsernamePasswordAuthenticationToken authentication)
+ throws AuthenticationException {
+ // 可以在此处覆写密码验证逻辑
+ super.additionalAuthenticationChecks(userDetails, authentication);
+ }
+}
--
Gitblit v1.7.1