cas server deployment

1. generate keystore

command : keytool -genkey -alias testtomcat -keyalg RSA -keystore "C:\Users\rocky\testsso\testtomcat.keystore"

password : 123456

2. setting the tomcat server.xml

3. download and extract cas-server-4.0.0-release.zip

~you can find cas-server-webapp-4.0.0.war in the modules package.

~copy it to tomcat webapps package and rename to cas.war.

~execute the startup.bat command as the administrator user.

　　 ~https://localhost:8443/cas

~login with user( username : casuser; password : Mellon)

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update 2016-04-06

1. java jdk不支持以ip建立证书，所以需要虚拟一个域名，如cas.server.com

2. 生成证书

keytool -genkeypair -keyalg RSA -keysize 2048 -sigalg SHA1withRSA -validity 36500 -alias cas.server.com -keystore C:/Users/rocky/testsso/tomcat.keystore -dname "CN=cas.server.com,OU=cdv,O=cdv,L=bj,ST=bj,C=CN"

3. 导出证书

keytool -exportcert -alias cas.server.com -keystore C:/Users/rocky/testsso/tomcat.keystore -file C:/Users/rocky/testsso/tomcat.cer -rfc

4. tomcat 配置 cas，浏览器添加证书

（区别于上面绝对路径方式引用，现采用相对路径方式）将生成的tomcat.keystore 拷贝到tomcat目录下。

将第三步导出的tomcat.crt 导入到浏览器

5. 将tomcat.crt拷贝到cas client所在的机器，并导入到jdk中（C:\Program Files\Java\jdk1.7.0_15\jre\lib\security\cacerts可以删除，这时导入的文件会重新生成该文件， C:\Program Files\Java\jre7\lib\security该路径下也有cacerts文件，可一并覆盖）

keytool -import -alias cacerts -keystore cacerts -file C:/Users/rocky/testsso/tomcat.cer -trustcacerts

6.创建cas client工程(web工程)casclient，配置xml文件，并导入相关jar包

<?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_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>ssoclient</display-name>
  
  <filter>
        <filter-name>CAS Single Sign Out Filter</filter-name>
        <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>CAS Single Sign Out Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <listener>
        <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
    </listener>

    <filter>
        <filter-name>CAS Authentication Filter</filter-name>
        <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
        <init-param>
            <param-name>casServerLoginUrl</param-name>
            <param-value>https://cas.server.com:8443/cas/login</param-value>
        </init-param>
        <init-param>
            <param-name>serverName</param-name>
            <param-value>cas.server.com:8081</param-value>
        </init-param>
    </filter>
    <filter>
        <filter-name>CAS Validation Filter</filter-name>
        <filter-class>org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>
        <init-param>
            <param-name>casServerUrlPrefix</param-name>
            <param-value>https://cas.server.com:8443/cas/</param-value>
        </init-param>
        <init-param>
            <param-name>serverName</param-name>
            <param-value>cas.server.com:8081</param-value>
        </init-param>
        <init-param>
            <param-name>redirectAfterValidation</param-name>
            <param-value>false</param-value>
        </init-param>
    </filter>
    <filter>
        <filter-name>CAS HttpServletRequest WrapperFilter</filter-name>
        <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
    </filter>
    <filter>
        <filter-name>CAS Assertion Thread Local Filter</filter-name>
        <filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>
    </filter>    
    <filter-mapping>
        <filter-name>CAS Authentication Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <filter-mapping>
        <filter-name>CAS Validation Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <filter-mapping>
        <filter-name>CAS HttpServletRequest WrapperFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter-mapping>
        <filter-name>CAS Assertion Thread Local Filter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>

记得，在tomcat的server.xml中要修改相关port，如果在同一台机器上实验，开多个tomcat，也应修改相关port，防止port冲突。

7. 浏览器输入http://cas.server.com:8081/ssoclient/index.jsp，可以看到地址栏变了，进入cas server的login页面，输出对的username 和 password，会跳回到client的index.jsp页面。

http://cas.server.com:8082/ssoclient2/index.jsp ，不在需要cas server登录，直接看到index.jsp页面

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