package com.whyc.realm;
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import com.whyc.anotation.Realm;
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import com.whyc.constant.SuperConstant;
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import com.whyc.pojo.User;
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import com.whyc.service.UserBridgeService;
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import org.apache.shiro.authc.*;
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import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
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import org.apache.shiro.authz.AuthorizationInfo;
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import org.apache.shiro.realm.AuthorizingRealm;
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import org.apache.shiro.subject.PrincipalCollection;
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import org.apache.shiro.util.ByteSource;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Lazy;
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import javax.annotation.PostConstruct;
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/**
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* 实际处理认证授权,跟数据库交互
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*/
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@Realm
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public class CustomRealm extends AuthorizingRealm {
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/**必须@Lazy注解,@Lazy与@Autowired组合,使得依赖于Service相关的Bean都是lazy-resolution proxy*/
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@Lazy
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@Autowired
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UserBridgeService userBridgeService;
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/**
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* 认证
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*/
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@Override
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protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
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String userName = (String) authenticationToken.getPrincipal();
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User user = userBridgeService.findPasswordAndSlatByUserName(userName);
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if(user.getId()==0){
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System.out.printf("账号不存在");
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throw new UnknownAccountException("账号不存在");
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}
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return new SimpleAuthenticationInfo(user,user.getPassword(), ByteSource.Util.bytes(user.getSalt()),getName());
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}
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/**
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* 授权
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*/
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@Override
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protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
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User user = (User) principalCollection.getPrimaryPrincipal();
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return userBridgeService.getAuthorizationInfo(user);
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}
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/**加密*/
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@PostConstruct
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public void initCredentialsMatcher() {
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HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(SuperConstant.HASH_ALGORITHM);
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matcher.setHashIterations(SuperConstant.HASH_INTERATIONS);
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setCredentialsMatcher(matcher);
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}
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}
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