oauth应该属于security的一部分。关于oauth的的相关知识能够查看阮一峰的文章:http://www.ruanyifeng.com/blog/2014/05/oauth_2_0.htmlhtml
1、目标java
如今不少系统都支持第三方帐号密码等登录咱们本身的系统,例如:咱们常常会看到,一些系统使用微信帐号,微博帐号、QQ帐号等登录本身的系统,咱们如今就是要模拟这种登录的方式,不少大的公司已经实现了这种受权登录的方式,并提供了相应的API,供咱们开发人员调用。他们实际上用的也规范是oauth2.0的规范,经过用户受权的方式,获取一些信息。之前就作过一些相似的,如:mysql
微信扫码登录:http://www.cnblogs.com/0201zcr/p/5133062.htmlweb
微信客户端受权登录:http://www.cnblogs.com/0201zcr/p/5131602.html spring
可是假如你的系统要提供其余网站使用你的帐号密码登录,你就须要写好相应的接口规范, 给人家调用。用得比较多的是使用spring security oauth实现的方式。sql
咱们这里使用meaven导入咱们所须要的jar包,使用配置文件的方式拦截咱们的请求并进行验证是否有效,而后便可获取咱们须要的信息。数据库
这里主要是模拟了经过给予第三方帐号密码的方式,在第三方进行鉴权,而后将access_token等信息传回过来,而后要登陆的系统在经过这个返回的access_token去第三方请求一些用户受权的数据。便可完成第三方的帐号密码登陆。apache
2、Spring security oauth 相关依赖meaven配置json
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.zhangfc</groupId> <artifactId>demo4ssh-security-oauth2</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <properties> <spring.version>4.0.4.RELEASE</spring.version> <hibernate.version>4.3.5.Final</hibernate.version> <spring-security.version>3.2.4.RELEASE</spring-security.version> <spring-security-oauth2.version>2.0.2.RELEASE</spring-security-oauth2.version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-config</artifactId> <version>${spring-security.version}</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-taglibs</artifactId> <version>${spring-security.version}</version> </dependency> <dependency> <groupId>org.springframework.security.oauth</groupId> <artifactId>spring-security-oauth2</artifactId> <version>${spring-security-oauth2.version}</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${hibernate.version}</version> </dependency> <dependency> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>javax.servlet.jsp.jstl-api</artifactId> <version>1.2.1</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> <dependency> <groupId>tomcat</groupId> <artifactId>servlet-api</artifactId> <version>5.5.23</version> <scope>provided</scope> </dependency> <dependency> <groupId>tomcat</groupId> <artifactId>jsp-api</artifactId> <version>5.5.23</version> <scope>provided</scope> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>5.1.2.Final</version> </dependency> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.31</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> </dependencies> <build> <finalName>demo4ssh-security-oauth2</finalName> </build> </project>
3、web.xml文件配置api
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" metadata-complete="true" version="3.0"> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:/META-INF/infrastructure.xml,classpath*:/META-INF/applicationContext*.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>spring-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>spring-dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
4、applicationContext-security.xml
oauth2是security的一部分,配置也有关联,就再也不单建文件
添加http拦截链
<!-- /oauth/token 是oauth2登录验证请求的url 用于获取access_token ,默认的生存时间是43200秒,即12小时--> <http pattern="/oauth/token" create-session="stateless" authentication-manager-ref="oauth2AuthenticationManager"> <intercept-url pattern="/oauth/token" access="IS_AUTHENTICATED_FULLY" /> <!-- 能够访问的角色名称,若是须要拦截,须要实现UserDetails接口,实现getAuthorities()方法--> <anonymous enabled="false" /> <http-basic entry-point-ref="oauth2AuthenticationEntryPoint" /> <custom-filter ref="clientCredentialsTokenEndpointFilter" before="BASIC_AUTH_FILTER" /> <access-denied-handler ref="oauth2AccessDeniedHandler" /> </http>
这个标签处理/oauth/token的网络请求,这是oauth2的登陆验证请求,那么登陆须要什么,首先,和Spring Security同样,须要一个认证管理器,Spring Oauth2须要两个认证管理器,第一个就是以前Spring中配置的那一个,用来验证用户名密码的,
<!-- 验证的权限控制 --> <authentication-manager> <authentication-provider> <!-- <password-encoder hash="md5"> <salt-source user-property="email"/> </password-encoder> --> <jdbc-user-service data-source-ref="dataSource" users-by-username-query="select username, password, 1 from user where username = ?" authorities-by-username-query="select u.username, r.role from user u left join role r on u.role_id=r.id where username = ?" /> </authentication-provider> </authentication-manager>
还有一个是用来区分客户端用户的,给它起个名字叫oauth2AuthenticationManager:
<oauth2:client-details-service id="clientDetailsService" > <oauth2:client client-id="mobile_1" authorized-grant-types="password,authorization_code,refresh_token,implicit" secret="secret_1" scope="read,write,trust" /> </oauth2:client-details-service> <beans:bean id="oauth2ClientDetailsUserService" class="org.springframework.security.oauth2.provider.client.ClientDetailsUserDetailsService"> <beans:constructor-arg ref="clientDetailsService" /> </beans:bean> <authentication-manager id="oauth2AuthenticationManager"> <authentication-provider user-service-ref="oauth2ClientDetailsUserService" /> </authentication-manager>
这儿设置了一种客户端,id叫作mobile_1,secret叫作secret_1,针对read、write和trust几个域有效。这几个域会在访问控制中被用到。
当登陆成功以后会获得一个token,再次访问的时候须要携带这个token,spring-oauth2根据这个token来作认证,那么spring-oauth2必须先存一份token和用户关系的对应,由于不用session了,这就至关于session,那么这个token在服务器中怎么存,有两种主要的存储方式,一是建立数据表,把token存到数据库里,我如今追求简单可用,采用第二种方式,直接存到内存里。下面配置一个管理token的service:
<!-- for spring oauth2 --> <!--token在服务器存储的方式 InMemoryTokenStore :保存在内存 ;JdbcTokenStore : 保存在数据库中 --> <beans:bean id="tokenStore" class="org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore" /> <!--<beans:bean id="tokenServices" class="org.springframework.security.oauth2.provider.token.DefaultTokenServices">--> <!--令牌服务的实体--> <beans:bean id="tokenServices" class="org.zhangfc.demo4ssh.service.MyTokenService"> <!-- 本身重写的类 -->
下面配置4个基本的bean:分别处理访问成功、访问拒绝、认证点和访问控制:
<!--处理访问成功--> <beans:bean id="oauth2AuthenticationEntryPoint" class="org.springframework.security.oauth2.provider.error.OAuth2AuthenticationEntryPoint" /> <!--处理访问拒绝--> <beans:bean id="oauth2AccessDeniedHandler" class="org.springframework.security.oauth2.provider.error.OAuth2AccessDeniedHandler" /> <!--处理认证点--> <beans:bean id="oauthUserApprovalHandler" class="org.springframework.security.oauth2.provider.approval.DefaultUserApprovalHandler" /> <!--处理访问控制--> <beans:bean id="oauth2AccessDecisionManager" class="org.springframework.security.access.vote.UnanimousBased"> <beans:constructor-arg> <beans:list> <beans:bean class="org.springframework.security.oauth2.provider.vote.ScopeVoter" /> <beans:bean class="org.springframework.security.access.vote.RoleVoter" /> <beans:bean class="org.springframework.security.access.vote.AuthenticatedVoter" /> </beans:list> </beans:constructor-arg> </beans:bean>
配置这个oauth2的server所能支持的请求类型:
<!--oauth2 的server所能支持的请求类型--> <oauth2:authorization-server client-details-service-ref="clientDetailsService" token-services-ref="tokenServices" user-approval-handler-ref="oauthUserApprovalHandler"> <oauth2:authorization-code /> <oauth2:implicit /> <oauth2:refresh-token /> <oauth2:client-credentials /> <oauth2:password /> </oauth2:authorization-server>
咱们的请求里,要把验证类型、用户名密码都做为表单参数提交,这就须要配置下面的filter:
<beans:bean id="clientCredentialsTokenEndpointFilter" class="org.springframework.security.oauth2.provider.client.ClientCredentialsTokenEndpointFilter"> <beans:property name="authenticationManager" ref="oauth2AuthenticationManager" /> </beans:bean>
下面定义一种资源,指定spring要保护的资源,若是没有这个,访问控制的时候会说没有Authentication object:
<!--指定spring要保护的资源,若是没有这个,访问控制的时候会说没有Authentication object:--> <oauth2:resource-server id="mobileResourceServer" resource-id="mobile-resource" token-services-ref="tokenServices" />
好了,到此为止基本配置就都有了,下面就看访问控制的配置:在前面的拦截链上,已经为登陆验证配了一个/auth/token,在这个标签下面添加对/json和/admin这两个路径的控制
<http pattern="/json**" create-session="never" entry-point-ref="oauth2AuthenticationEntryPoint" access-decision-manager-ref="oauth2AccessDecisionManager"> <anonymous enabled="false" /> <intercept-url pattern="/json**" access="ROLE_USER" /> <custom-filter ref="mobileResourceServer" before="PRE_AUTH_FILTER" /> <access-denied-handler ref="oauth2AccessDeniedHandler" /> </http> <http pattern="/admin**" create-session="never" entry-point-ref="oauth2AuthenticationEntryPoint" access-decision-manager-ref="oauth2AccessDecisionManager"> <anonymous enabled="false" /> <intercept-url pattern="/admin**" access="SCOPE_READ,ROLE_ADMIN" /> <custom-filter ref="mobileResourceServer" before="PRE_AUTH_FILTER" /> <access-denied-handler ref="oauth2AccessDeniedHandler" /> </http>
咱们用oauth2AccessDecisionManager来作决策,这个地方须要注意,spring-security里面配置access="ROLE_USER,ROLE_ADMIN"是说user和admin均可以访问,是一个“或”的关系,可是这里是“与”的关系,好比第二个,须要ROLE_ADMIN而且当前的scope包含read才能够,不然就没有权限。认证失败会返回一段xml,这个能够自定义handler来修改,暂且按下不表。
默认的12小时access_token可能对于咱们来讲太长,经过UUID.randomUUID()来生成一个36的惟一的access_token 也不是咱们想要的生存方式。故咱们能够复制org.springframework.security.oauth2.provider.token.DefaultTokenServices,并对其进行必定修改便可,这里我把这个类复制出来,修改为MyTokenService,并在上面的配置文件中进行了配置。主要是修改其如下成员变量:
private int refreshTokenValiditySeconds = 2592000; //refresh_token 的超时时间 默认2592000秒 private int accessTokenValiditySeconds = 10; //access_token 的超时时间 默认12个小时 private boolean supportRefreshToken = false; //是否支持access_token 刷新,默认是false,在配置文件中以配置成能够支持了, private boolean reuseRefreshToken = true; //使用refresh_token刷新以后该refresh_token是否依然使用,默认是依然使用 private TokenStore tokenStore; //access_token的存储方式,这个在配置文件中配
经过修改修改其createAccessToken方法来修改access_token 的生成方式:
private OAuth2AccessToken createAccessToken(OAuth2Authentication authentication, OAuth2RefreshToken refreshToken) { String access_tokens = UUID.randomUUID().toString().replaceAll("-",""); DefaultOAuth2AccessToken token = new DefaultOAuth2AccessToken(access_tokens); int validitySeconds = this.getAccessTokenValiditySeconds(authentication.getOAuth2Request());if(validitySeconds > 0) { token.setExpiration(new Date(System.currentTimeMillis() + (long)validitySeconds * 1000L)); token.setRefreshToken(refreshToken); token.setScope(authentication.getOAuth2Request().getScope()); return (OAuth2AccessToken)(this.accessTokenEnhancer != null?this.accessTokenEnhancer.enhance(token, authentication):token); }
源码下载:http://pan.baidu.com/s/1mhSfKFY
获取access_token URL :
http://localhost:8080/AOuth/oauth/token?client_id=mobile_1&client_secret=secret_1&grant_type=password&username=aa&password=aa
这时候会返回一个access_token:
{"access_token":"4219a91f-45d5-4a07-9e8e-3acbadd0c23e","token_type":"bearer","refresh_token":"d41df9fd-3d36-4a20-b0b7-1a1883c7439d","expires_in":43199,"scope":"read write trust"}
这以后再拿着这个access_token去访问资源:
http://localhost:8080/AOuth/admin?access_token=4219a91f-45d5-4a07-9e8e-3acbadd0c23e
刷新access_token:
http://localhost:8080/AOuth/oauth/token?client_id=mobile_1&client_secret=secret_1&grant_type=refresh_token&refresh_token=ad18fc89e1424278b675ca05bf8afbb3
致谢:感谢您的阅读!