本文介绍了spring-boot结合shrio实现jwt的方法，分享给大家，具体如下：
关于验证大致分为两个方面：
- 用户登录时的验证；
- 用户登录后每次访问时的权限认证
主要解决方法：使用自定义的shiro filter
项目搭建：
这是一个spring-boot 的web项目，不了解spring-boot的项目搭建，请google。
pom.mx引入相关jar包
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<!-- shiro 权限管理 -->
<dependency>
<groupid>org.apache.shiro</groupid>
<artifactid>shiro-spring</artifactid>
<version>${shiro.version}</version>
</dependency>
<dependency>
<groupid>org.apache.shiro</groupid>
<artifactid>shiro-core</artifactid>
<version>${shiro.version}</version>
</dependency>
<!-- jwt -->
<dependency>
<groupid>io.jsonwebtoken</groupid>
<artifactid>jjwt</artifactid>
<version>0.9.0</version>
</dependency>
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shrio 的相关配置
划重点！！自定义了一个filter
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filtermap.put("jwtfilter", new jwtfilter());
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@configuration
public class shiroconfig {
@bean
public shirofilterfactorybean getshirofilterfactorybean(securitymanager securitymanager) {
shirofilterfactorybean shirofilterfactorybean = new shirofilterfactorybean();
shirofilterfactorybean.setsecuritymanager(securitymanager);
// 添加自己的过滤器并且取名为jwtfilter
map<string, filter> filtermap = new hashmap<>();
filtermap.put("jwtfilter", new jwtfilter());
shirofilterfactorybean.setfilters(filtermap);
/*
* 自定义url规则
* http://shiro.apache.org/web.html#urls-
*/
map<string, string> filterchaindefinitionmap = shirofilterfactorybean.getfilterchaindefinitionmap();
filterchaindefinitionmap.put("/**", "jwtfilter");
shirofilterfactorybean.setfilterchaindefinitionmap(filterchaindefinitionmap);
return shirofilterfactorybean;
}
/**
* securitymanager 不用直接注入shirodbrealm，可能会导致事务失效
* 解决方法见 handlecontextrefresh
* http://www.debugrun.com/a/nks9ejq.html
*/
@bean("securitymanager")
public defaultwebsecuritymanager securitymanager(tokenrealm tokenrealm) {
defaultwebsecuritymanager manager = new defaultwebsecuritymanager();
manager.setrealm(tokenrealm);
/*
* 关闭shiro自带的session，详情见文档
* http://shiro.apache.org/session-management.html#sessionmanagement-statelessapplications%28sessionless%29
*/
defaultsubjectdao subjectdao = new defaultsubjectdao();
defaultsessionstorageevaluator defaultsessionstorageevaluator = new defaultsessionstorageevaluator();
defaultsessionstorageevaluator.setsessionstorageenabled(false);
subjectdao.setsessionstorageevaluator(defaultsessionstorageevaluator);
manager.setsubjectdao(subjectdao);
return manager;
}
@bean
public lifecyclebeanpostprocessor lifecyclebeanpostprocessor() {
return new lifecyclebeanpostprocessor();
}
@bean(name = "tokenrealm")
@dependson("lifecyclebeanpostprocessor")
public tokenrealm tokenrealm() {
return new tokenrealm();
}
@bean
@dependson("lifecyclebeanpostprocessor")
public defaultadvisorautoproxycreator defaultadvisorautoproxycreator() {
defaultadvisorautoproxycreator defaultadvisorautoproxycreator = new defaultadvisorautoproxycreator();
// 强制使用cglib，防止重复代理和可能引起代理出错的问题
// https://zhuanlan.zhihu.com/p/29161098
defaultadvisorautoproxycreator.setproxytargetclass(true);
return defaultadvisorautoproxycreator;
}
@bean
public authorizationattributesourceadvisor getauthorizationattributesourceadvisor(securitymanager securitymanager) {
authorizationattributesourceadvisor authorizationattributesourceadvisor = new authorizationattributesourceadvisor();
authorizationattributesourceadvisor.setsecuritymanager(securitymanager);
return new authorizationattributesourceadvisor();
}
}
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自定义shrio filter
执行顺序：prehandle -> dofilterinternal -> executelogin -> onloginsuccess
主要判断是不是登录请求的是 dofilterinternal
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public class jwtfilter extends basichttpauthenticationfilter {
/**
* 自定义执行登录的方法
*/
@override
protected boolean executelogin(servletrequest request, servletresponse response) throws ioexception {
httpservletrequest httpservletrequest = (httpservletrequest) request;
usernamepasswordtoken usernamepasswordtoken = json.parseobject(httpservletrequest.getinputstream(), usernamepasswordtoken.class);
// 提交给realm进行登入，如果错误他会抛出异常并被捕获
subject subject = this.getsubject(request, response);
subject.login(usernamepasswordtoken);
return this.onloginsuccess(usernamepasswordtoken, subject, request, response);
//错误抛出异常
}
/**
* 最先执行的方法
*/
@override
protected boolean prehandle(servletrequest request, servletresponse response) throws exception {
return super.prehandle(request, response);
}
/**
* 登录成功后登录的操作
* 加上jwt 的header
*/
@override
protected boolean onloginsuccess(authenticationtoken token, subject subject, servletrequest request, servletresponse response) {
httpservletresponse httpservletresponse = (httpservletresponse) response;
string jwttoken = jwts.builder()
.setid(token.getprincipal().tostring())
.setexpiration(datetime.now().plusminutes(30).todate())
.signwith(signaturealgorithm.hs256, jwtcost.signaturekey)
.compact();
httpservletresponse.addheader(authorization_header, jwttoken);
return true;
}
/**
* 登录以及校验的主要流程
* 判断是否是登录，或者是登陆后普通的一次请求
*/
@override
public void dofilterinternal(servletrequest servletrequest, servletresponse servletresponse, filterchain filterchain) throws ioexception, servletexception {
httpservletrequest httpservletrequest = (httpservletrequest) servletrequest;
httpservletresponse httpservletresponse = (httpservletresponse) servletresponse;
string servletpath = httpservletrequest.getservletpath();
if (stringutils.equals(servletpath, "/login")) {
//执行登录
this.executelogin(servletrequest, servletresponse);
} else {
string authenticationheader = httpservletrequest.getheader(authorization_header);
if (stringutils.isnotempty(authenticationheader)) {
claims body = jwts.parser()
.setsigningkey(jwtcost.signaturekey)
.parseclaimsjws(authenticationheader)
.getbody();
if (body != null) {
//更新token
body.setexpiration(datetime.now().plusminutes(30).todate());
string updatetoken = jwts.builder().setclaims(body).compact();
httpservletresponse.addheader(authorization_header, updatetoken);
//添加用户凭证
principalcollection principals = new simpleprincipalcollection(body.getid(), jwtcost.usernamepasswordrealm);//拼装shiro用户信息
websubject.builder builder = new websubject.builder(servletrequest, servletresponse);
builder.principals(principals);
builder.authenticated(true);
builder.sessioncreationenabled(false);
websubject subject = builder.buildwebsubject();
//塞入容器，统一调用
threadcontext.bind(subject);
filterchain.dofilter(httpservletrequest, httpservletresponse);
}
} else {
httpservletresponse.setstatus(httpstatus.forbidden.value());
}
}
}
}
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登录失败处理
处理shrio异常
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@restcontrolleradvice
public class globalcontrollerexceptionhandler {
@exceptionhandler(value = exception.class)
public object allexceptionhandler(httpservletrequest request, httpservletresponse response, exception exception) {
string message = exception.getcause().getmessage();
logutil.error(message);
return new resultinfo(exception.getclass().getname(), message);
}
/*=========== shiro 异常拦截==============*/
@exceptionhandler(value = incorrectcredentialsexception.class)
public string incorrectcredentialsexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "incorrectcredentialsexception";
}
@exceptionhandler(value = unknownaccountexception.class)
public string unknownaccountexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "unknownaccountexception";
}
@exceptionhandler(value = lockedaccountexception.class)
public string lockedaccountexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "lockedaccountexception";
}
@exceptionhandler(value = excessiveattemptsexception.class)
public string excessiveattemptsexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "excessiveattemptsexception";
}
@exceptionhandler(value = authenticationexception.class)
public string authenticationexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "authenticationexception";
}
@exceptionhandler(value = unauthorizedexception.class)
public string unauthorizedexception(httpservletrequest request, httpservletresponse response, exception exception) {
response.setstatus(httpstatus.forbidden.value());
return "unauthorizedexception";
}
}
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处理jwt异常
这是个坑，因为是在filter内发生的异常，@exceptionhandler是截获不到的。
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/**
* 截获spring boot error页面
*/
@restcontroller
public class globalexceptionhandler implements errorcontroller {
@override
public string geterrorpath() {
return "/error";
}
@requestmapping(value = "/error")
public object error(httpservletrequest request, httpservletresponse response) throws exception {
// 错误处理逻辑
exception exception = (exception) request.getattribute("javax.servlet.error.exception");
throwable cause = exception.getcause();
if (cause instanceof expiredjwtexception) {
response.setstatus(httpstatus.gateway_timeout.value());
return new resultinfo("expiredjwtexception", cause.getmessage());
}
if (cause instanceof malformedjwtexception) {
response.setstatus(httpstatus.forbidden.value());
return new resultinfo("malformedjwtexception", cause.getmessage());
}
return new resultinfo(cause.getcause().getmessage(), cause.getmessage());
}
}
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关于权限等授权信息，可以直接放到redis中实现缓存。我认为也是不错的。
源码奉上：githup-shiro分支：温馨提示：平时测试代码可能比较乱。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。
原文链接：https://segmentfault.com/a/1190000014750168
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