使用 spring security 重写authenticationmanager实现账号密码登录或者手机号码登录,spring security默认使用账号密码进行登录,通过将账号密码写入到usernamepasswordauthenticationtoken中,认证成功后创建一个包含用户信息和权限的认证令牌;在usernamepasswordauthenticationtoken认证的时候,调用userdetailsservice进行校验(此次可以自己写逻辑进行校验,如查数据库),并且返回userdetails(用户信息类)。
在此基础上实现功能:用户能够使用账号+密码登录;用户能够使用手机号码登录(个人暂时只需要用到手机号码+第三方验证码登录,可以根据需求更改配置)。
一、创建自定义认证提供者customauthenticationprovider
import com.yuqn.service.impl.phonenumberuserservice;
import org.springframework.security.authentication.authenticationprovider;
import org.springframework.security.authentication.badcredentialsexception;
import org.springframework.security.authentication.usernamepasswordauthenticationtoken;
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.userdetailsservice;
import org.springframework.security.crypto.password.passwordencoder;
public class customauthenticationprovider implements authenticationprovider {
private userdetailsservice userdetailsservice;
private passwordencoder passwordencoder;
private phonenumberuserservice phonenumberuserservice;
public customauthenticationprovider(userdetailsservice userdetailsservice, passwordencoder passwordencoder, phonenumberuserservice phonenumberuserservice) {
this.userdetailsservice = userdetailsservice;
this.passwordencoder = passwordencoder;
this.phonenumberuserservice = phonenumberuserservice;
}
@override
public authentication authenticate(authentication authentication) throws authenticationexception {
// 接收认证信息
string credentials = (string) authentication.getcredentials();
string principal = (string) authentication.getprincipal();
// 判断是账号登录还是手机号登录,这里简单通过前缀区分
userdetails userdetails = null;
if (principal.startswith("username:")) {
// 账号登录
string username = principal.substring("username:".length());
userdetails = userdetailsservice.loaduserbyusername(username);
if (!passwordencoder.matches(credentials, userdetails.getpassword())) {
throw new badcredentialsexception("invalid username or password");
}
} else if (principal.startswith("phone:")) {
// 手机号登录
// 这里需要有一个根据手机号加载用户信息的方法,比如 userdetailsservice.loaduserbyphonenumber(phonenumber)
// 但由于userdetailsservice没有提供这样的方法,所以这里只是一个示例,你需要自己实现这个逻辑
string phonenumber = principal.substring("phone:".length());
// 手机号码登录
userdetails = phonenumberuserservice.loaduserbyphonenumber(phonenumber);
} else {
throw new badcredentialsexception("invalid principal format");
}
// 如果用户信息验证成功,则创建一个新的已认证令牌并返回
usernamepasswordauthenticationtoken authenticatedtoken = new usernamepasswordauthenticationtoken(userdetails, credentials, userdetails.getauthorities());
authenticatedtoken.setdetails(authentication.getdetails());
return authenticatedtoken;
}
@override
public boolean supports(class<?> authentication) {
return usernamepasswordauthenticationtoken.class.isassignablefrom(authentication);
}
}
二、创建认证业务userdetailsservice、phonenumberuserservice
创建两个验证类,用于进行用户认证,其中userdetailsservice认证账号密码登录,phonenumberuserservice认证手机号码登录(我这里手机号码唯一,通过手机号码查询用户,具体逻辑根据自己业务来)
userdetailsservice类:
/**
* @author: yuqn
* @date: 2024/5/21 23:34
* @description:
* secutiry类
* 重写登录验证方法,常规方法是 loaduserbyusername 接收传递的参数,进行security自定义的校验
* 这里重写 loaduserbyusername 方法,自定义校验方法(如查询数据库是否存在此人)
* @version: 1.0
*/
@service
public class userdetailsservice implements org.springframework.security.core.userdetails.userdetailsservice {
@autowired
private usermapper usermapper;
@autowired
private menumapper menumapper;
/**
* @author: yuqn
* @date: 2024/11/24 0:30
* @description:
* 根据用户名查询到用户信息,并且映射到userdetails
* @param: null
* @return: null
*/
@override
public userdetails loaduserbyusername(string username) throws usernamenotfoundexception {
// 查询用户
system.out.println("username==" + username);
lambdaquerywrapper<user> querywrapper = new lambdaquerywrapper<>();
querywrapper.eq(user::getusername,username);
user user = usermapper.selectone(querywrapper);
system.out.println("user = " + user);
// 如果没有用户就抛出异常
if(objects.isnull(user)){
throw new runtimeexception("用户名或者密码错误");
}
// 查询对应权限
// list<string> list = new arraylist<>(arrays.aslist("test","admin"));
list<string> list = menumapper.selectpermsbyuserid(user.getid());
list.add(user.getroles());
system.out.println("list = " + list);
// 将user封装到 loginuser 返回,security 会根据 loginuser 获取账号密码进行校验,数据库中的密码需要使用{noop}表示明文保存的,不然会报错,因为security使用的加密校验
return new loginuser(user,list);
}
}
phonenumberuserservice类:
/**
* @author: yuqn
* @date: 2024/11/26 11:09
* @description:
* 电话号码查询用户,封装到userdetails,用于customauthenticationprovider验证
* @version: 1.0
*/
@service
public class phonenumberuserservice {
@autowired
private usermapper usermapper;
@autowired
private menumapper menumapper;
/**
* @author: yuqn
* @date: 2024/11/26 11:04
* @description:
* 自定义手机号码验证
* @param: null
* @return: null
*/
public userdetails loaduserbyphonenumber(string phonenumber){
// 根据手机号码查询用户
lambdaquerywrapper<user> querywrapper = new lambdaquerywrapper<>();
querywrapper.eq(user::getphonenumber,phonenumber);
user user = usermapper.selectone(querywrapper);
// 如果没有用户就抛出异常
if(objects.isnull(user)){
throw new runtimeexception("用户名或者密码错误");
}
// 查询对应权限
// list<string> list = new arraylist<>(arrays.aslist("test","admin"));
list<string> list = menumapper.selectpermsbyuserid(user.getid());
list.add(user.getroles());
system.out.println("list = " + list);
// 将user封装到 loginuser 返回,security 会根据 loginuser 获取账号密码进行校验,数据库中的密码需要使用{noop}表示明文保存的,不然会报错,因为security使用的加密校验
return new loginuser(user,list);
}
}
三、更改配置类
注入自定义认证提供者customauthenticationprovider,从而实现逻辑。
@bean
public authenticationmanager authenticationmanagerbean() throws exception {
return authenticationconfiguration.getauthenticationmanager();
}
@bean
public passwordencoder passwordencoder(){
return new bcryptpasswordencoder();
}
@bean
public userdetailsservice userdetailsservice() {
// 返回你的userdetailsservice实现
return new userdetailsservice();
}
@bean
public phonenumberuserservice phonenumberuserservice(){
return new phonenumberuserservice();
}
@bean
public customauthenticationprovider customauthenticationprovider() {
return new customauthenticationprovider(userdetailsservice(), passwordencoder(),phonenumberuserservice());
}
四、登录业务类
登录接口调用该业务类,将用户信息存入到usernamepasswordauthenticationtoken实现自定义认证,认证成功后生成一个凭证,用户返回给调用者。
@override
public result login(user user) {
//authenticationmanager authenticate 进行用户认证,通过封装的authenticationtoken进行验证
usernamepasswordauthenticationtoken authenticationtoken = new usernamepasswordauthenticationtoken(user.getusername(),user.getpassword());
system.out.println("authenticationtoken = " + authenticationtoken);
authentication authenticate = authenticationmanager.authenticate(authenticationtoken);
system.out.println("authenticate = " + authenticate);
// 如果认证没提过,给出对应的提示
if(objects.isnull(authenticate)){
throw new runtimeexception("登录失败");
}
//如果认证通过,使用userid生成一个jwt,jwt存入responseresult返回
loginuser loginuser = (loginuser) authenticate.getprincipal();
system.out.println("loginuser:" + loginuser);
string userid = loginuser.getuser().getid().tostring();
string jwt = jwtutil.createjwt(userid);
map<string,string> map = new hashmap<>();
map.put("token",jwt);
//把完整的用户信息存入到redis userid作为key
rediscache.setcacheobject("login:" + userid, loginuser);
return result.ok("登录成功",map);
}
五、写接口
@postmapping("/user/login")
public result login(@requestbody user user){
// 登录
return loginservice.login(user);
}
六、测试


七、总结
usernamepasswordauthenticationtoken提供的方法参数是用户名、用户名+密码、用户名+密码+权限,所以使用手机号码登录,实际上是将手机号码当成用户名,通过自定义认证器进行拦截并处理,最终实现效果。
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