本篇博客学习如何用Shiro进行对密码进行加密。
根据 https://blog.csdn.net/weixin_42236165/article/details/93200432 本篇博客进行改进实现。
Shiro散列配置
HashedCredentialsMatcher
自定义Realm中使用散列
盐的使用
HashedCredentialsMatcher
1.修改CustomRealm类
代码入下:
package com.imooc.shiro.realm;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.crypto.hash.Md5Hash;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
*
* @author 宋政宏
* @date 2019-06-21 15:57
*/
public class CustomRealm extends AuthorizingRealm {
Map userMap = new HashMap<>(16);
{
userMap.put("Mark","e10adc3949ba59abbe56e057f20f883e");
super.setName("customRealm");
}
//授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
String userName = (String) principalCollection.getPrimaryPrincipal();
//从数据库或者缓存中获取角色数据
Set roles = getRolesByUserName(userName);
//从数据库或者缓存中获取权限数据
Set permissions = getPermissionsByUserName(userName);
SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
simpleAuthorizationInfo.setStringPermissions(permissions);
simpleAuthorizationInfo.setRoles(roles);
return simpleAuthorizationInfo;
}
private Set getPermissionsByUserName(String userName) {
Set sets = new HashSet<>();
sets.add("user:delete");
sets.add("user:add");
return sets;
}
/**
*
* @param userName
* @return
*/
private Set getRolesByUserName(String userName) {
Set sets = new HashSet<>();
sets.add("admin");
sets.add("user");
return sets;
}
//认证
//AuthenticationToken认证信息
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
//1.从主体传过来的认证信息中,获得用户名
String userName = (String) authenticationToken.getPrincipal();
//2.通过用户名到数据库中获取凭证
String password = getPasswordByUserName(userName);
if(password == null){
return null;
}
SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo("Mark",password,"customRealm");
return authenticationInfo;
}
/**
* 模拟数据库查询凭证
* @param userName
* @return
*/
private String getPasswordByUserName(String userName){
return userMap.get(userName);
}
public static void main(String [] args){
Md5Hash md5Hash = new Md5Hash("123456");
System.out.println(md5Hash.toString());
}
}
添加了加密方法
public static void main(String [] args){
Md5Hash md5Hash = new Md5Hash("123456");
System.out.println(md5Hash.toString());
}
运行
生成123456的加密结果e10adc3949ba59abbe56e057f20f883e
将123456替换为e10adc3949ba59abbe56e057f20f883e
2.修改CustomRealmTest类
代码如下
package com.imooc.test;
import com.imooc.shiro.realm.CustomRealm;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.mgt.DefaultSecurityManager;
import org.apache.shiro.subject.Subject;
import org.junit.Test;
/**
*
* @author 宋政宏
* @date 2019-06-21 16:13
*/
public class CustomRealmTest {
@Test
public void testAuthentication(){
CustomRealm customRealm = new CustomRealm();
//1.构建SecurityManager环境
DefaultSecurityManager defaultSecurityManager = new DefaultSecurityManager();
defaultSecurityManager.setRealm(customRealm);
HashedCredentialsMatcher matcher = new HashedCredentialsMatcher();
//设置加密算法的名称
matcher.setHashAlgorithmName("md5");
//设置加密次数
matcher.setHashIterations(1);
customRealm.setCredentialsMatcher(matcher);
//2.主体提交认证请求
SecurityUtils.setSecurityManager(defaultSecurityManager);
Subject subject = SecurityUtils.getSubject();
UsernamePasswordToken token = new UsernamePasswordToken("Mark","123456");
subject.login(token);
System.out.println("isAuthenticated:"+ subject.isAuthenticated());
/* //验证角色
subject.checkRole("admin");
//验证权限
subject.checkPermission("user:update");*/
/*subject.checkRole("admin");
subject.checkPermissions("user:add","user:delete");*/
}
}
运行测试
成功!
盐的使用
1.修改CustomRealm类
代码如下:
package com.imooc.shiro.realm;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.crypto.hash.Md5Hash;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
*
* @author 宋政宏
* @date 2019-06-21 15:57
*/
public class CustomRealm extends AuthorizingRealm {
Map userMap = new HashMap<>(16);
{
userMap.put("Mark","283538989cef48f3d7d8a1c1bdf2008f");
super.setName("customRealm");
}
//授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
String userName = (String) principalCollection.getPrimaryPrincipal();
//从数据库或者缓存中获取角色数据
Set roles = getRolesByUserName(userName);
//从数据库或者缓存中获取权限数据
Set permissions = getPermissionsByUserName(userName);
SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
simpleAuthorizationInfo.setStringPermissions(permissions);
simpleAuthorizationInfo.setRoles(roles);
return simpleAuthorizationInfo;
}
private Set getPermissionsByUserName(String userName) {
Set sets = new HashSet<>();
sets.add("user:delete");
sets.add("user:add");
return sets;
}
/**
*
* @param userName
* @return
*/
private Set getRolesByUserName(String userName) {
Set sets = new HashSet<>();
sets.add("admin");
sets.add("user");
return sets;
}
//认证
//AuthenticationToken认证信息
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
//1.从主体传过来的认证信息中,获得用户名
String userName = (String) authenticationToken.getPrincipal();
//2.通过用户名到数据库中获取凭证
String password = getPasswordByUserName(userName);
if(password == null){
return null;
}
SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo("Mark",password,"customRealm");
//设置盐
authenticationInfo.setCredentialsSalt(ByteSource.Util.bytes("Mark"));
return authenticationInfo;
}
/**
* 模拟数据库查询凭证
* @param userName
* @return
*/
private String getPasswordByUserName(String userName){
return userMap.get(userName);
}
//加密方法
public static void main(String [] args){
Md5Hash md5Hash = new Md5Hash("123456","Mark");
System.out.println(md5Hash.toString());
}
}
修改加密方法
public static void main(String [] args){
Md5Hash md5Hash = new Md5Hash("123456","Mark");
System.out.println(md5Hash.toString());
}
运行
为283538989cef48f3d7d8a1c1bdf2008f
把盐设置进去
修改认证方法doGetAuthenticationInfo
设置盐
//设置盐
authenticationInfo.setCredentialsSalt(ByteSource.Util.bytes("Mark"));