Cas自定义客户端单点登录验证Filter

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自定义CustomAuthenticationFilter继承自AbstractCasFilter拷贝org.jasig.cas.client.authentication.AuthenticationFilter中的全部代码，修改isRequestUrlExcluded如下

private boolean isRequestUrlExcluded(HttpServletRequest request) {
    String serviceUrl = request.getRequestURL().toString();
    String queryStr = request.getQueryString();
    if(queryStr != null && queryStr.trim().length()>0){
        serviceUrl += "?" + queryStr.trim();
    }
    if(serviceUrl != null){
        if(serviceUrl.endsWith("?wsdl")){
            return true;
        }
        if(serviceUrl.indexOf("?") != -1){
            serviceUrl = serviceUrl.substring(0,serviceUrl.indexOf("?"));
        }
        serviceUrl = serviceUrl.replace("\\", "/");
        if(serviceUrl.endsWith("/")){
            serviceUrl = serviceUrl.substring(0,serviceUrl.length()-1);
            if(serviceUrl.endsWith("/")){
                serviceUrl = serviceUrl.substring(0,serviceUrl.length()-1);
            }
        }
        if(serviceUrl.endsWith("/webservice")
                || serviceUrl.endsWith("/rs")
                || serviceUrl.contains("/webservice/common/")
                || serviceUrl.contains("/rs/common/")
                || serviceUrl.contains("/log/log.txt")
                || serviceUrl.endsWith("/checkAppUpdate")
                || serviceUrl.endsWith(".js")
                || serviceUrl.endsWith(".css")
                || serviceUrl.endsWith(".html")
                || serviceUrl.endsWith("/serverUrl")
                || serviceUrl.contains("/swagger/")
                || serviceUrl.contains("/api-docs")
                || serviceUrl.contains("/swagger-resources")
                || serviceUrl.contains("/configuration/ui")){
            return true;
        }
    }
    return false;
}

替换Web.xml中的AuthenticationFilter为CustomAuthenticationFilter即可