3、入門代碼
快速入門代碼 github.com/apache/shir…java
先建立項目 【紅線框起來的，其餘文件你先當作沒看見】 
添加pom.xml 內容 github.com/apache/shir…git
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<name>samples</name>
<groupId>com.shiro</groupId>
<artifactId>samples</artifactId>
<version>1.0-SNAPSHOT</version>
<modelVersion>4.0.0</modelVersion>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-core</artifactId>
<version>1.4.0</version>
</dependency>
<!-- configure logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.25</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<scope>runtime</scope>
</dependency>
</dependencies>
</project>
複製代碼
把 log4j.properties 和 shiro.ini 粘貼到 resources中 github.com/apache/shir… log4j.properties文件github
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m %n
# General Apache libraries
log4j.logger.org.apache=WARN
# Spring
log4j.logger.org.springframework=WARN
# Default Shiro logging
log4j.logger.org.apache.shiro=TRACE
# Disable verbose logging
log4j.logger.org.apache.shiro.util.ThreadContext=WARN
log4j.logger.org.apache.shiro.cache.ehcache.EhCache=WARN
複製代碼
shiro.ini 文件spring
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# =============================================================================
# Quickstart INI Realm configuration
#
# For those that might not understand the references in this file, the
# definitions are all based on the classic Mel Brooks' film "Spaceballs". ;)
# =============================================================================
# -----------------------------------------------------------------------------
# Users and their assigned roles
#
# Each line conforms to the format defined in the
# org.apache.shiro.realm.text.TextConfigurationRealm#setUserDefinitions JavaDoc
# -----------------------------------------------------------------------------
[users]
# user 'root' with password 'secret' and the 'admin' role
root = secret, admin
# user 'guest' with the password 'guest' and the 'guest' role
guest = guest, guest
# user 'presidentskroob' with password '12345' ("That's the same combination on
# my luggage!!!" ;)), and role 'president'
presidentskroob = 12345, president
# user 'darkhelmet' with password 'ludicrousspeed' and roles 'darklord' and 'schwartz'
darkhelmet = ludicrousspeed, darklord, schwartz
# user 'lonestarr' with password 'vespa' and roles 'goodguy' and 'schwartz'
lonestarr = vespa, goodguy
#, schwartz
# -----------------------------------------------------------------------------
# Roles with assigned permissions
#
# Each line conforms to the format defined in the
# org.apache.shiro.realm.text.TextConfigurationRealm#setRoleDefinitions JavaDoc
# -----------------------------------------------------------------------------
[roles]
# 'admin' role has all permissions, indicated by the wildcard '*'
admin = *
# The 'schwartz' role can do anything (*) with any lightsaber:
schwartz = lightsaber:*
# The 'goodguy' role is allowed to 'drive' (action) the winnebago (type) with
# license plate 'eagle5' (instance specific id)
goodguy = winnebago:drive:eagle5
複製代碼
建立 Quickstart.java github.com/apache/shir…express
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authc.credential.CredentialsMatcher;
import org.apache.shiro.authc.credential.PasswordMatcher;
import org.apache.shiro.authc.credential.SimpleCredentialsMatcher;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author: admin
* @create: 2018-06-28 16:35
* 描述：
*/
public class Quickstart{
static Logger logger = LoggerFactory.getLogger(Quickstart.class);
public static void main(String[] args) {
Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
SecurityManager securityManager = factory.getInstance();
SecurityUtils.setSecurityManager(securityManager);
Subject subject = SecurityUtils.getSubject();
Session session = subject.getSession();
session.setAttribute("name", "張三");
String name = (String) session.getAttribute("name");
if (null != name) {
logger.info("得到 session中的 name:" + name);
}
if (!subject.isAuthenticated()) {
logger.info("沒有登陸 ，準備登陸。。。。");
UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
Object credentials = token.getCredentials();
try {
subject.login(token);
} catch (UnknownAccountException e) {
e.printStackTrace();
logger.info("用戶名錯誤");
} catch (IncorrectCredentialsException e) {
e.printStackTrace();
logger.info("密碼錯誤");
} catch (AuthenticationException e) {
e.printStackTrace();
}
}
logger.info("已經登陸，登陸用戶" + subject.getPrincipal() + ",");
if (subject.hasRole("goodguy")) {
logger.info("用戶" + subject.getPrincipal() + "擁有權限goodguy");
} else {
logger.info("用戶" + subject.getPrincipal() + "不曾擁有權限goodguy");
}
if (subject.isPermitted("winnebago:drive:eagle5")) {
logger.info("用戶" + subject.getPrincipal() + "擁有權限winnebago:drive:eagle5");
} else {
logger.info("用戶" + subject.getPrincipal() + "不曾擁有次權限winnebago:drive:eagle5");
}
if (subject.isPermitted("lightsaber:*")) {
logger.info("用戶" + subject.getPrincipal() + "擁有權限lightsaber:*");
} else {
logger.info("用戶" + subject.getPrincipal() + "不曾擁有次權限lightsaber:*");
}
//
subject.logout();
logger.info("用戶退出成功" );
}
}
複製代碼
代碼流程其實很簡單 就是拿到 SecurityManager 來與其餘進行交互 apache
- Subject：主體，表明了當前「用戶」。這個用戶不必定是一個具體的人，與當前應用交互的任何東西都是 Subject，如網絡爬蟲，機器人等。全部 Subject 都綁定到 SecurityManager，與 Subject 的全部交互都會委託給 SecurityManager。咱們能夠把 Subject 認爲是一個門面，SecurityManager 纔是實際的執行者。
- SecurityManager：安全管理器。即全部與安全有關的操做都會與 SecurityManager 交互，且它管理着全部 Subject。能夠看出它是 Shiro 的核心，它負責其餘組件進行交互。
- Realm：Shiro 從 Realm 獲取安全數據（如用戶、角色、權限），就是說 SecurityManager 要驗證用戶身份，那麼它須要從 Realm 獲取相應的用戶進行比較以肯定用戶身份是否合法，也須要從 Realm 獲得用戶相應的角色/權限進行驗證用戶是否能進行操做。 能夠配置多個但最少得有一個
subject.login 就是進行登陸 經過realm進行驗證 在講shiro源碼的時候會提到這一塊安全
UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
subject.login(token);
複製代碼
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