How to customize user authentication by springSecurity
This article will explain in detail how to customize user authentication in springSecurity. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.
First of all, I need to declare in the xml file. I want to customize the user's authentication class, that is, I want to query from the database myself.
After configuring the custom file, implement it in the module that needs the custom authentication class.
UserDetailsService
Package com.qingmu2.core.service;import com.alibaba.dubbo.config.annotation.Reference;import com.qingmu2.core.pojo.seller.Seller;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.User;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.HashMap;import java.util.HashSet;import java.util.List;/** * custom authentication class * @ Auther:qingmu * @ Description: down-to-earth, only to stand out * @ Date:Created in 8:33 2019-5-31 * / public class UserDetailServiceImpl implements UserDetailsService {private SellerService sellerService; public UserDetailServiceImpl () {} @ Override public UserDetails loadUserByUsername (String username) throws UsernameNotFoundException {Seller seller = sellerService.findOne (username) If (null vendor approval) {/ / determine whether a merchant is approved or not. If ("1" .equals (seller.getStatus () {/ / create a collection to store permissions HashSet authorities = new HashSet (); authorities.add (new SimpleGrantedAuthority ("ROLE_SELLER")); / / return the user's information to the authentication class return new User (username,seller.getPassword (), authorities);}} / / if there is no such user, return null return null;} public UserDetailServiceImpl (SellerService sellerService) {this.sellerService = sellerService } public SellerService getSellerService () {return sellerService;} public void setSellerService (SellerService sellerService) {this.sellerService = sellerService;}}
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