使用CAS的RESTFUL接口使CS系统单点登录BS系统

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准备

首先参考前面文章来配置好CAS,并且配置好RESTFUL,参考:

http://blog.csdn.net/happyteafriends/article/details/7450120

场景如下,

CAS地址为:http://10.1.81.223:8080/cas-server-webapp

两个WEB应用地址:http://10.1.81.223:8080/webapp2

http://10.1.81.223:8080/webapp1


目标:CS架构的程序调用REST最终获取到ST,并登录webapp1

步骤如下

获取ticket

curl -i -X POST -d "username=admin&password=admin&service=http://10.1.81.223:8080/webapp1" http://10.1.81.223:8080/cas-server-webapp/v1/tickets/
结果:

HTTP/1.1 201 CreatedServer: Apache-Coyote/1.1Date: Tue, 07 Jan 2014 01:24:30 GMTLocation: http://10.1.81.223:8080/cas-server-webapp/v1/tickets/TGT-1-sof0YkUAyxSBOWcIFI6lZRmpBmOBgmmNlwL7xvKWbfir4J7hMH-casAccept-Ranges: bytesServer: Noelios-Restlet-Engine/1.1..1Content-Type: text/html;charset=ISO-8859-1Content-Length: 444<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><html><head><title>201 The request has been fulfilled and resulted in a new resource being created</title></head><body><h1>TGT Created</h1><form action="http://10.1.81.223:8080/cas-server-webapp/v1/tickets/TGT-1-sof0YkUAyxSBOWcIFI6lZRmpBmOBgmmNlwL7xvKWbfir4J7hMH-cas" method="POST">Service:<input type="text" name="service" value=""><br><input type="submit" value="Submit"></form></body></html>
可见这里已经已经生成了TGT

第二步,通过TGT + SERVICE 生成ST

curl -i -X POST -d "service=http%3A%2F%2F10.1.81.223%3A8080%2Fwebapp1%2F" http://10.1.81.223:8080/cas-server-webapp/v1/tickets/TGT-1-sof0YkUAyxSBOWcIFI6lZRmpBmOBgmmNlwL7xvKWbfir4J7hMH-cas
注意这里的service必须所编码后的,否则到后面会报错:

票根XXX 不符合目标服务
结果:

HTTP/1.1 200 OKServer: Apache-Coyote/1.1Date: Tue, 07 Jan 2014 02:05:53 GMTAccept-Ranges: bytesServer: Noelios-Restlet-Engine/1.1..1Content-Type: text/plain;charset=ISO-8859-1Content-Length: 29ST-1-iTyUm4scimR6UlaVFGbM-cas
可见这里得到里ST,直接打开浏览器用这个ST去登录WEBAPP1既可

第三步,登录

打开浏览器输入

http://10.1.81.223:8080/webapp1/?ticket=ST-1-iTyUm4scimR6UlaVFGbM-cas

发现可以登录。这个ST用一次就失效了。

退出

退出主要是使TGT失效,方法如下:

curl -i -X DELETE http://10.1.81.223:8080/cas-server-webapp/v1/tickets/TGT-1-1fPYM6FWvLX9ZIRqtp1eF9nQAypB79VdyyYG29Bef6iFvyCnwT-casHTTP/1.1 200 OKServer: Apache-Coyote/1.1Date: Tue, 07 Jan 2014 02:20:39 GMTAccept-Ranges: bytesServer: Noelios-Restlet-Engine/1.1..1Content-Length: 0

其他

如果报错: 找不到此票根的错误,则可能是失效时间太短

修改WEB-INF/ticketExpirationPolicies.xml 里修改

<!-- This argument is the time a ticket can exist before its considered expired.  --><constructor-argindex="1"value="1000000" />
值可以改大点,我这里改的有点过大了,可能是改成了1000秒

报错:票根XXX 不符合目标服务 

上面提到了这个问题了,注意对service进行编码,变成类似于:
http%3A%2F%2F10.1.81.223%3A8080%2Fwebapp1%2F  才可以

参考:https://wiki.jasig.org/display/casum/restful+api





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