cn.com.sgcc.servlet.LicenseServlet.java Source code

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Here is the source code for cn.com.sgcc.servlet.LicenseServlet.java

Source

package cn.com.sgcc.servlet;

import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;

import org.apache.commons.logging.*;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import cn.com.sgcc.vo.*;
import cn.com.sgcc.ac.*;
import cn.com.sgcc.generic.*;

public class LicenseServlet extends HttpServlet {
    private AccessControl accessControl;

    private static Log logger = LogFactory.getLog(LicenseServlet.class);

    /*
    public void setAccessControl(AccessControl accessControl)
    {
       this.accessControl = accessControl;
    }
    */

    @Override
    public void init(ServletConfig servletConfig) throws ServletException {
        ServletContext servletContext = servletConfig.getServletContext();
        WebApplicationContext webApplicationContext = WebApplicationContextUtils
                .getWebApplicationContext(servletContext);
        accessControl = (AccessControl) webApplicationContext.getBean("AccessControlBean");
    }

    @Override
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
        {
            // context
            AccessControlContext context = new AccessControlContext();
            context.setIp(request.getRemoteAddr());
            //context.setIp("127.0.0.1");

            // get rid
            String[] ridNames = { "RID", "rid", "Rid" };
            String rid = null;
            for (int i = 0; i < ridNames.length; ++i) {
                rid = request.getParameter(ridNames[i]);
                if (null != rid) {
                    break;
                }
            }
            if (null == rid) {
                logger.error(new StringBuilder().append(context.getIp()).append(" no rid").toString());
                response.sendError(400, "no rid");
                return;
            }

            // get uid
            String[] uidNames = { "UID", "uid", "Uid" };
            String uid = null;
            for (int i = 0; i < uidNames.length; ++i) {
                uid = request.getParameter(uidNames[i]);
                if (null != uid) {
                    break;
                }
            }
            /*   
               if (null == uid)
               {
               response.sendError(ErrorCode.PARAM_NULL_UID);
               return;
               }
               */

            // user
            User user = new User();
            user.setName(uid);

            // resource 
            Resource resource = new Resource();
            resource.setNameHash(rid);

            logger.info(new StringBuilder().append(context.getIp()).append(" ").append(rid)
                    .append(" license request").toString());

            // execute access control
            License license = accessControl.execute(user, resource, context);
            if (null == license || null == license.toXmlString()) {
                logger.info(new StringBuilder().append(context.getIp()).append(" ").append(rid)
                        .append(" license deny").toString());
                response.sendError(400, "Bad request: no permission or rid not exists");
                return;
            }

            // response
            response.setContentType("text/xml;charset=utf-8");
            PrintWriter out = response.getWriter();
            out.println(license.toXmlString());
            out.close();

            logger.info(new StringBuilder().append(context.getIp()).append(" ").append(rid)
                    .append(" license return").toString());
        }
    }

    @Override
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
        doGet(request, response);
    }

}