参考:https://github.com/spring-guides/tut-spring-security-and-angular-js/blob/master/oauth2/README.adoc
http://jwt.io/introduction/
本文在<使用OAuth2的SSO分析>文章的基础上扩展,使用jwt可减少了向认证服务器的请求,但jwt比swt(Simple Web Tokens)要长不少,还要依赖公钥解密. 
1.浏览器向UI服务器点击触发要求安全认证
2.跳转到授权服务器获取授权许可码
3.从授权服务器带授权许可码跳回来
4.UI服务器向授权服务器获取AccessToken
5.返回AccessToken到UI服务器
6.发出/resource/请求到UI服务器
7.UI服务器将/resource/请求转发到Resource服务器
Resource服务器从请求取出accessToken,解码,直接转化为认证授权信息进行判断后(最后会响应给UI服务器,UI服务器再响应给浏览中器）
这里与<使用OAuth2的SSO分析>主要不同的是,accessToken是jwt,经过解码,转化就可成为认证授权信息,无需再向授权服务器协助获得认证授权信息,关于jwt可参看前面提供的链接.本文还修改了自定义登录页和授权页,这种方案开始接近于生产了.
一.先创建OAuth2授权服务器
1.因为使用了自定义页面,添加了wro4j-maven-plugin插件和以下依赖到pom.xml
<dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-jwt</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-freemarker</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency>
2.主类修改比较大,主类继承WebMvcConfigurerAdapter主要是注册视图控制器;
继承WebSecurityConfigurerAdapter的内部类主要修改自定义权限控制;
关键是继承AuthorizationServerConfigurerAdapter的授权服务器配置,里面配置了JwtAccessTokenConverter(密钥就在这里使用),并使用这个Bean;
@EnableResourceServer一样是放在主类上.
3.application配置将oauth的配置移到了OAuth2AuthorizationConfig内部类内部.增加了一个密钥库文件和两个freemarker页面
启动授权服务器后,可测试了:
a.打开浏览器输入地址http://localhost:9999/uaa/oauth/authorize?response_type=code&client_id=acme&redirect_uri=http://example.com发出请求,然后根据以上配置,输入用户名/密码,点同意,获取返回的授权许可码
b.在Linux的bash或mac的terminal输入
[root@dev ~]#curl acme:acmesecret@192.168.1.115:9999/uaa/oauth/token \ -d grant_type=authorization_code -d client_id=acme \ -d redirect_uri=http://example.com -d code=fjRdsL
回车获取access token,其中fjRdsL替换上步获取的授权许可码.返回结果类似如下:
{
"access_token": "eyJhbGciOiJSUzI1NiJ9.eyJleHAiOjE0NTk1NTUxNTYsInVzZXJfbmFtZSI6InVzZXIiLCJhdXRob3JpdGllcyI6WyJST0xFX0FETUlOIiwiUk9MRV9VU0VSIl0sImp0aSI6IjI5MjcyYWJiLTQ4MjUtNGYwMS1hZjllLTg5ZGE1ZDE1MDBiNyIsImNsaWVudF9pZCI6ImFjbWUiLCJzY29wZSI6WyJvcGVuaWQiXX0.cQd88GYItHUDJuwkd_Rd0Yo8QM1R0dccuK0-xZ4OynC7EnqClLunaNOZ9jXwtilIFJNxbkbhQ8ymXdvlAF5Zjo8lpRGotdVo9rgQc39BDse7hGy1EfA9ZADQmJ-EuwkTNo0IBEXYC33XxQNK_3I_E92cnIPXq-FZHuZMRzpr-SlriwLa3aZVidmeyXK2U5dsjViWoHHKhcg-9c-VBPtyTJfPZOvj3s7DrbfCgOAGOhHkd_MBCdLDFb7QFhzIRsMfcD9rOAGTqk-hU2pHkkakKQ7_vL604UU7Qh3Zzkn6VbHPy0HAAiB9cnUhkQxK3Qb-wbHG-l3FC2pDlhtlhMHNfg",
"token_type": "bearer",
"refresh_token": "eyJhbGciOiJSUzI1NiJ9.eyJ1c2VyX25hbWUiOiJ1c2VyIiwic2NvcGUiOlsib3BlbmlkIl0sImF0aSI6IjI5MjcyYWJiLTQ4MjUtNGYwMS1hZjllLTg5ZGE1ZDE1MDBiNyIsImV4cCI6MTQ2MjEwMzk1NiwiYXV0aG9yaXRpZXMiOlsiUk9MRV9BRE1JTiIsIlJPTEVfVVNFUiJdLCJqdGkiOiIzNWM5OWY0Yy0xMGM0LTQ5ZTAtODAwYi1lZTc5ZTQ3ODNkNmUiLCJjbGllbnRfaWQiOiJhY21lIn0.bUvJ9HmrFU92euLzd5eesJKFlav5v1WyfBEgd3pO6I2D2yYy98oPwfNwCrbP44M2ilO48LJEovLLoZFYvjfA8xe6XO1Fx55Tik5SrWfizAEsNFsFg25zE92T3YNocStxuJWFSVBLlwjtxpVmnHOgPefku2G6N5seziX0SOBJleHSUObNAYtiBVQjKWXA3jGnMoZSP0dMbgtrWinwRJLwvaMgMDNnxYFSdvSW99XKjCyQNVmbGa4aRyy-xblTr7qlSqdcZIdRBfKkHM5S9jaenNVc85vGAYQFPrdkRWhk4v-8nlHJiYdBa6ZspgbVWw_oPLgP8cbuzJev86q55p1gAw",
"expires_in": 43199,
"scope": "openid",
"jti": "29272abb-4825-4f01-af9e-89da5d1500b7"
}
从返回结果复制access_token,继续:
[root@dev ~]# TOKEN=eyJhbGciOiJSUzI1NiJ9.eyJleHAiOjE0NTk1NTUxNTYsInVzZXJfbmFtZSI6InVzZXIiLCJhdXRob3JpdGllcyI6WyJST0xFX0FETUlOIiwiUk9MRV9VU0VSSI6IjI5MjcyYWJiLTQ4MjUtNGYwMS1hZjllLTg5ZGE1ZDE1MDBiNyIsImNsaWVudF9pZCI6ImFjbWUiLCJzY29wZSI6WyJvcGVuaWQiXX0.cQd88GYItHUDJuwkd_Rd0Yo8QM1R0dccuK0-xZ4OynC7EnqClLunaNOZ9jXwtilIFJNxbkbhQ8ymXdvlAF5Zjo8lpRGotdVo9rgQc39BDse7hGy1EfA9ZADQmJ-EuwkTNo0IBEXYC33XxQNK_3I_E92cnIPXq-FZHuZMRzpr-SlriwLa3aZVidmeyXK2U5dsjViWoHHKhcg-9c-VBPtyTJfPZOvj3s7DrbfCgOAGOhHkd_MBCdLDFb7QFhzIRsMfcD9rOAGTqk-hU2pHkkakKQ7_vL604UU7Qh3Zzkn6VbHPy0HAAiB9cnUhkQxK3Qb-wbHG-l3FC2pDlhtlhMHNfg [root@dev ~]# curl -H “Authorization: Bearer $TOKEN” 192.168.1.115:9999/uaa/user
第二个命令返回结果类似如下:
{
"details": {
"remoteAddress": "192.168.1.194",
"sessionId": null,
"tokenValue": "eyJhbGciOiJSUzI1NiJ9.eyJleHAiOjE0NTk1NTUxNTYsInVzZXJfbmFtZSI6InVzZXIiLCJhdXRob3JpdGllcyI6WyJST0xFX0FETUlOIiwiUk9MRV9VU0VSIl0sImp0aSI6IjI5MjcyYWJiLTQ4MjUtNGYwMS1hZjllLTg5ZGE1ZDE1MDBiNyIsImNsaWVudF9pZCI6ImFjbWUiLCJzY29wZSI6WyJvcGVuaWQiXX0.cQd88GYItHUDJuwkd_Rd0Yo8QM1R0dccuK0-xZ4OynC7EnqClLunaNOZ9jXwtilIFJNxbkbhQ8ymXdvlAF5Zjo8lpRGotdVo9rgQc39BDse7hGy1EfA9ZADQmJ-EuwkTNo0IBEXYC33XxQNK_3I_E92cnIPXq-FZHuZMRzpr-SlriwLa3aZVidmeyXK2U5dsjViWoHHKhcg-9c-VBPtyTJfPZOvj3s7DrbfCgOAGOhHkd_MBCdLDFb7QFhzIRsMfcD9rOAGTqk-hU2pHkkakKQ7_vL604UU7Qh3Zzkn6VbHPy0HAAiB9cnUhkQxK3Qb-wbHG-l3FC2pDlhtlhMHNfg",
"tokenType": "Bearer",
"decodedDetails": null
},
"authorities": [
{
"authority": "ROLE_ADMIN"
},
{
"authority": "ROLE_USER"
}
],
"authenticated": true,
"userAuthentication": {
"details": null,
"authorities": [
{
"authority": "ROLE_ADMIN"
},
{
"authority": "ROLE_USER"
}
],
"authenticated": true,
"principal": "user",
"credentials": "N/A",
"name": "user"
},
"credentials": "",
"principal": "user",
"oauth2Request": {
"clientId": "acme",
"scope": [
"openid"
],
"requestParameters": {
"client_id": "acme"
},
"resourceIds": [],
"authorities": [],
"approved": true,
"refresh": false,
"redirectUri": null,
"responseTypes": [],
"extensions": {},
"grantType": null,
"refreshTokenRequest": null
},
"clientOnly": false,
"name": "user"
}
从结果来看,使用access token访问资源一切正常,说明授权服务器没问题.
二.再看分离的资源服务器
spring-security-jwt依赖也要加入pom.xml;
主类没改动;
application配置文件使用security.oauth2.resource.jwt.keyValue替换security.oauth2.resource.userInfoUri选项,使用这个公钥来解密jwt.
最后运行主类的main方法测试(授权服务器前面启动了,access_token也得到了),于是在使用curl命令:
[root@dev ~]# curl -H “Authorization: Bearer $TOKEN” 192.168.1.115:9000
返回结果类似如下:
{
"id": "03af8be3-2fc3-4d75-acf7-c484d9cf32b1",
"content": "Hello World"
}
跟踪下获取认证授权的信息过程:
当使用curl -H “Authorization: Bearer $TOKEN” 192.168.1.115:9000发出请求时,直到被OAuth2AuthenticationProcessingFilter拦截器处理,
org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter #doFilter{ Authentication authentication = tokenExtractor.extract(request);//抽取Token Authentication authResult = authenticationManager.authenticate(authentication);//还原解码认证授权信息 } org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationManager #authenticate{ OAuth2Authentication auth = tokenServices.loadAuthentication(token);//这里的tokenServices是DefaultTokenServices } org.springframework.security.oauth2.provider.token.DefaultTokenServices #loadAuthentication{ OAuth2AccessToken accessToken = tokenStore.readAccessToken(accessTokenValue);//tokenStore是JwtTokenStore OAuth2Authentication result = tokenStore.readAuthentication(accessToken); } org.springframework.security.oauth2.provider.token.store.JwtTokenStore #readAccessToken{ OAuth2AccessToken accessToken = convertAccessToken(tokenValue); } org.springframework.security.oauth2.provider.token.store.JwtTokenStore #convertAccessToken{ return jwtTokenEnhancer.extractAccessToken(tokenValue, jwtTokenEnhancer.decode(tokenValue)); } org.springframework.security.oauth2.provider.token.DefaultAccessTokenConverter #extractAccessToken
经过上面这个过程,用到jwt的公钥对jwt进行解码,从中抽取OAuth2Authentication,这个Authentication本身就包含了用户认证的信息.
无需再向授权服务器发请求解码
三.UI服务器作为SSO的客户端.
同样UI服务器也要添加spring-security-jwt依赖到pom.xml;
主类也基本不改动;
和资源服务器一样,使用security.oauth2.resource.jwt.keyValue替换security.oauth2.resource.userInfoUri选项.
其它的分析与<使用OAuth2的SSO分析>类似.
可以三台服务器都启动测试了.
http://blog.csdn.net/xiejx618/article/details/51039683
