package com.jeecms.cms.action.front;
import java.io.IOException;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.jeecms.cms.entity.main.CmsConfig;
import com.jeecms.cms.entity.main.Content;
import com.jeecms.cms.entity.main.ContentAttachment;
import com.jeecms.cms.manager.main.ContentCountMng;
import com.jeecms.cms.manager.main.ContentMng;
import com.jeecms.cms.web.CmsUtils;
import com.jeecms.common.security.encoder.PwdEncoder;
import com.jeecms.common.web.ResponseUtils;
@Controller
public class AttachmentAct {
private static final Logger log = LoggerFactory
.getLogger(AttachmentAct.class);
@RequestMapping(value = "/attachment.jspx", method = RequestMethod.GET)
public void attachment(Integer cid, Integer i, Long t, String k,
HttpServletRequest request, HttpServletResponse response,
ModelMap model) throws IOException {
CmsConfig config = CmsUtils.getSite(request).getConfig();
String code = config.getDownloadCode();
int h = config.getDownloadTime() * 60 * 60 * 1000;
if (pwdEncoder.isPasswordValid(k, cid + ";" + i + ";" + t, code)) {
long curr = System.currentTimeMillis();
if (t + h > curr) {
Content c = contentMng.findById(cid);
if (c != null) {
List<ContentAttachment> list = c.getAttachments();
if (list.size() > i) {
contentCountMng.downloadCount(c.getId());
ContentAttachment ca = list.get(i);
response.sendRedirect(ca.getPath());
return;
} else {
log.info("download index is out of range: {}", i);
}
} else {
log.info("Content not found: {}", cid);
}
} else {
log.info("download time is expired!");
}
} else {
log.info("download key error!");
}
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
}
/**
* 获得下载key和time
*
* @param request
* @param response
* @param model
* @return
*/
@RequestMapping(value = "/attachment_url.jspx", method = RequestMethod.GET)
public void url(Integer cid, Integer n, HttpServletRequest request,
HttpServletResponse response, ModelMap model) {
if (cid == null || n == null) {
return;
}
CmsConfig config = CmsUtils.getSite(request).getConfig();
String code = config.getDownloadCode();
long t = System.currentTimeMillis();
JSONArray arr = new JSONArray();
String key;
for (int i = 0; i < n; i++) {
key = pwdEncoder.encodePassword(cid + ";" + i + ";" + t, code);
arr.put("&t=" + t + "&k=" + key);
}
ResponseUtils.renderText(response, arr.toString());
}
@Autowired
private ContentMng contentMng;
@Autowired
private ContentCountMng contentCountMng;
@Autowired
private PwdEncoder pwdEncoder;
}