common.java

论坛软件系统亦称电子公告板(BBS)系统

package cn.jsprun.utils;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.TimeZone;
import java.util.TreeMap;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.oro.text.regex.MalformedPatternException;
import org.apache.oro.text.regex.MatchResult;
import org.apache.oro.text.regex.Perl5Compiler;
import org.apache.oro.text.regex.Perl5Matcher;
import org.apache.struts.upload.FormFile;

import cn.jsprun.domain.Members;
import cn.jsprun.domain.Usergroups;
import cn.jsprun.foreg.service.PostOperating;
import cn.jsprun.foreg.utils.CookieUtil;
import cn.jsprun.service.system.DataBaseService;
import cn.jsprun.service.user.MemberService;

public final class Common {
	private static DataBaseService dataBaseService=(DataBaseService) BeanFactory.getBean("dataBaseService");
	private static MemberService memberService =((MemberService) BeanFactory.getBean("memberService"));
	private static PostOperating postOperating = (PostOperating)BeanFactory.getBean("postOperating");
	private static DataParse dataParse=((DataParse)BeanFactory.getBean("dataParse"));
	private static FtpUtils ftputil=((FtpUtils)BeanFactory.getBean("ftputils"));
	public static Random random = new Random();
	public static String periodscheck(String banperiods,byte disableperiodctrl,float timeoffset)
	{
		if(disableperiodctrl==0&&banperiods!=null&&!banperiods.equals(""))
		{
			float now=Float.valueOf(new SimpleDateFormat("HH.mm").format((Common.time()+timeoffset*3600)*1000l));
			String[] periods=banperiods.split("\r\n");
			for (String period : periods) {
				period=period.trim().replaceAll(":", ".");
				String[] periodTime=period.split("-");
				if(periodTime!=null&&periodTime.length>=2)
				{
					float periodbegin=Float.valueOf(periodTime[0]);
					float periodend=Float.valueOf(periodTime[1]);
					if((periodbegin > periodend && (now >= periodbegin || now < periodend)) || (periodbegin < periodend && now >= periodbegin && now < periodend)) {
						return "对不起，管理员设置了每日 "+banperiods.replaceAll("\r\n", ",")+" 不能进行此操作或访问此页面，请其他时间再试。";
					}
				}
			}
		}
		return null;
	}
	public static boolean datecheck(String ymd){
		return datecheck(ymd,"-");
	}
	public static boolean datecheck(String ymd,String sep){
		if(ymd!=null&&ymd.length()!=0){
			if(ymd.matches("^\\d{1,4}"+sep+"\\d{1,2}"+sep+"\\d{1,2}$")){
				String[] dates=ymd.split("-");
				return checkdate(Integer.valueOf(dates[0]),Integer.valueOf(dates[1]),Integer.valueOf(dates[2]));
			}
		}
		return false;
	}
	public static boolean checkdate(int year,int month,int day){
		if(year<1||year>9999||month<1||month>12||day<1){
			return false;
		}
		Calendar calendar = getGMTCalendar();
		calendar.set(year,month-1,1);
	    int maxDay  = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
	    if(day>maxDay){
			return false;
		}
		return true;
	}
	public static String dateformat(String ymd){
		return dateformat(ymd,"yyyy-MM-dd");
		
	}
	public static String dateformat(String ymd,String formattype){
		SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formattype);
		try {
			return simpleDateFormat.format(simpleDateFormat.parse(ymd));
		} catch (ParseException e) {
			e.printStackTrace();
			return "";
		}
	}
	public static boolean isEmail(String email) {
		return email!=null&&email.length() > 6&& email.matches("^[\\w\\-\\.]+@[\\w\\-\\.]+(\\.\\w+)+$");
	}
	public static boolean forum(Map<String, String> forum,String hideprivate,short groupid,Integer lastvisit, String extgroupids,Map<String, Map<String, String>> lastposts,SimpleDateFormat sdf,int timeoffset,int rewritestatus) {
		String viewperm = forum.get("viewperm");
		if ("".equals(viewperm) || !"".equals(viewperm)&& forumperm(viewperm,groupid,extgroupids)|| forum.get("allowview") != null) {
			forum.put("permission", "2");
		} else if (hideprivate!=null&&hideprivate.equals("0")) {
			forum.put("permission", "1");
		} else {
			return false;
		}
		boolean spaceurlurl=(rewritestatus & 4)>0;
		boolean forumdisplayurl=(rewritestatus & 1)>0;
		String icon=forum.get("icon");
		if (!"".equals(icon)) {
			if (forum.get("icon").indexOf(",")>=0) {
				String[] flash = forum.get("icon").split(",");
				if(flash.length==3){
					if(forumdisplayurl){
						forum.put("icon","<a href=\"forum-"+ forum.get("fid")+ "-1.html\"><embed style=\"margin-right: 10px\" src=\""+ flash[0].trim()+ "\" width=\""+ flash[1].trim()+ "\" height=\""+ flash[2].trim()+ "\" type=\"application/x-shockwave-flash\" align=\"left\"></embed></a>");
					}else{
						forum.put("icon","<a href=\"forumdisplay.jsp?fid="+ forum.get("fid")+ "\"><embed style=\"margin-right: 10px\" src=\""+ flash[0].trim()+ "\" width=\""+ flash[1].trim()+ "\" height=\""+ flash[2].trim()+ "\" type=\"application/x-shockwave-flash\" align=\"left\"></embed></a>");
					}
				}
			} else {
				if(forumdisplayurl){
					forum.put("icon", "<a href=\"forum-"+ forum.get("fid")+ "-1.html\"><img style=\"margin-right: 10px\" src=\""+ icon+ "\" align=\"left\" border=\"0\" /></a>");
				}else{
					forum.put("icon", "<a href=\"forumdisplay.jsp?fid="+ forum.get("fid")+ "\"><img style=\"margin-right: 10px\" src=\""+ icon+ "\" align=\"left\" border=\"0\" /></a>");
				}
			}
		}
		Map<String, String> lastpost = new HashMap<String, String>();
		long dateline=0;
		String lastpoststr = forum.get("lastpost").trim();
		if (lastpoststr.length()>0) {
			String[] obj = lastpoststr.split("\t");
			dateline=Long.valueOf(obj[2]);
			lastpost.put("tid", obj[0]);
			lastpost.put("subject", obj[1]);
			lastpost.put("dateline", Common.gmdate(sdf, (int)(dateline+timeoffset)));
			lastpost.put("author", obj[3]);
		}else{
			lastpost.put("tid", "0");
			lastpost.put("subject", "");
			lastpost.put("dateline", "0");
			lastpost.put("author", "");
		}
		forum.put("folder", lastvisit!= null&& lastvisit < dateline ? " class='new'" : "");
		if (Integer.valueOf(lastpost.get("tid")) > 0) {
			String author=lastpost.get("author");
			if (!"".equals(author)) {
				if(spaceurlurl){
					lastpost.put("author", "<a href=\"space-username-"+ Common.encode(author) + ".html\">"+ author + "</a>");
				}else{
					lastpost.put("author", "<a href=\"space.jsp?username="+ Common.encode(author) + "\">"+ author + "</a>");
				}
			}
			lastposts.put(forum.get("fid"), lastpost);
		} else {
			lastposts.put(forum.get("fid"), null);
		}
		lastpost=null;
		forum.put("moderators", moddisplay(forum.get("moderators"),"flat",false,spaceurlurl));
		String subforums=forum.get("subforums");
		if (subforums!= null&& !subforums.equals("")) {
			forum.put("subforums", subforums);
		}
		return true;
	}
	public static String moddisplay(String moderator, String type, Boolean inherit,boolean urlstatic) {
		StringBuffer modlist = new StringBuffer();
		if ("selectbox".equals(type)) {
			if (moderator != null && !"".equals(moderator)) {
				String[] moderators = moderator.split("\t");
				for (String obj : moderators) {
					if(urlstatic){
						modlist.append("<li><a href=\"space-username-" + Common.encode(obj)+ ".html\">"	+ (inherit ? "<strong>" + obj + "</strong>" : obj)	+ "</a></li>");
					}else{
						modlist.append("<li><a href=\"space.jsp?username=" + Common.encode(obj)+ "\">"	+ (inherit ? "<strong>" + obj + "</strong>" : obj)	+ "</a></li>");
					}
				}
			}
			return modlist+"";
		} else {
			if (moderator != null && !"".equals(moderator)) {
				String[] moderators = moderator.split("\t");
				for (String obj : moderators) {
					if(urlstatic){
						modlist.append("<a class=\"notabs\" href=\"space-username-"+ Common.encode(obj) + ".html\">"+ (inherit ? "<strong>" + obj + "</strong>" : obj)+ "</a>, ");
					}else{
						modlist.append("<a class=\"notabs\" href=\"space.jsp?username="+Common.encode(obj) + "\">"+ (inherit ? "<strong>" + obj + "</strong>" : obj)+ "</a>, ");
					}
				}
			}
			int length=modlist.length();
			return length>=2?modlist.substring(0,length-2):"";
		}
	}
	public static boolean forumperm(String permstr,short groupid,String extgroupid) {
		StringBuffer groupidarray = new StringBuffer();
		groupidarray.append(groupid);
		if (extgroupid != null && extgroupid.length() > 0) {
			String[] extgroupids = extgroupid.split("\t");
			for (String obj : extgroupids) {
				if(!obj.equals("")){
					groupidarray.append("|" + obj);
				}
			}
		}
		return permstr.matches(".*(^|\t)(" + groupidarray + ")(\t|$).*");
	}
	public static boolean matches(String content, String regex) {
		boolean flag=false;
		try {
			flag =new Perl5Matcher().contains(content, new Perl5Compiler().compile(regex));
		} catch (MalformedPatternException e) {
			e.printStackTrace();
		}
		return flag;
	}
	public static boolean ismoderator(short fid, Members member) {
		if (member == null) {
			return false;
		}
		if (member.getAdminid() == 1 || member.getAdminid() == 2) {
			return true;
		}
		List<Map<String, String>> modertar = dataBaseService.executeQuery("select m.uid from  jrun_moderators m where m.uid='"+ member.getUid() + "' AND m.fid=" + fid);
		boolean flag=false;
		if (modertar != null && modertar.size() > 0) {
			flag= true;
		}
		modertar=null;
		return flag;
	}
	@SuppressWarnings("unchecked")
	public static Map<String,String> forumformulaperm(String formulaperm,Members member,boolean ismoderator,Map<Integer,Map<String,String>> extcredits)
	{
		if(ismoderator){
			return null;
		}
		Map<Integer,String> formula=dataParse.characterParse(formulaperm, true);
		if(formula.size()<2){
			return null;
		}
		String formulamessage=formula.get(0);
		if(!formulamessage.trim().equals(""))
		{
			if(member!=null){
				List<Map<String,String>> members=dataBaseService.executeQuery("SELECT uid FROM jrun_members WHERE uid="+member.getUid()+" AND ("+formulamessage+")");
				if(members!=null&&members.size()>0){
					return null;
				}
			}
			String usermsg=formula.get(1);
			String[] usermsgs=usermsg.split("\\$_DSESSION");
			List<String> usermsgList=new ArrayList<String>();
			if(usermsgs!=null)
			{
				for (String obj : usermsgs) {
					obj=obj.trim();
					if(!obj.equals("")){
						usermsgList.add(obj.substring(obj.indexOf("'")+1,obj.lastIndexOf("'")));
					}
				}
			}
			if(usermsgList!=null)
			{
				usermsg="";
				if(member!=null){
					Map<String,Object> usermsgValue=getValues(member,usermsgList,new HashMap<String, Object>());
					for (String obj : usermsgList) {
						Object value=usermsgValue.get(obj);
						if(value!=null)
						{
							usermsg+=obj+" = "+value+"&nbsp;&nbsp;&nbsp;";
						}else{
							usermsg +=obj+" = 0&nbsp;&nbsp;&nbsp;";
						}
					}