python--DenyHttp项目（2）--ACM监考客户端测试版（1阶段完成总结）

‘‘‘
DenyManager.py
调用客户端与客户端界面
‘‘‘
from DenyClient import *
from DenyGui import *

if __name__ == ‘__main__‘:
    clientConncet = DenyHttpClient()
    clientGui = DenyHttpGui()     

#coding=utf-8
‘‘‘
DenyGui.py
客户端的界面
1.倒计时lable
2.签到Button（未实现）
3.开始比赛Button
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import tkinter as tk
import random
import time
import datetime
import sys
import os
‘‘‘ 用messagebox没有下面这句，报错‘‘‘
from tkinter import messagebox#专门加上
from DenyClient import *
from CountTime import *
from tkinter.constants import *
import threading

class DenyHttpGui(object):
    
    def __init__(self):
        ‘‘‘创建一个实例对象，进行倒计时‘‘‘
        self.changetime = ChangeTime()
        ‘‘‘定义窗口‘‘‘
        self.root = tk.Tk()
        ‘‘‘标题‘‘‘
        self.root.title(‘404监考系统‘)
        ‘‘‘大小‘‘‘
        self.curWidth = 300 
        self.curHeight = 100
        ‘‘‘位置‘‘‘
        scnWidth,scnHeight = self.root.maxsize() 
        tmpcnf = ‘%dx%d+%d+%d‘%(self.curWidth,self.curHeight,
                                (scnWidth-self.curWidth)/2,(scnHeight-self.curHeight)/2)
        self.root.geometry(tmpcnf)
        self.root.resizable(False, False)
        ‘‘‘倒计时Frame‘‘‘
        self.frameTop = tk.Frame(self.root,height=45,width=300)
        ‘‘‘Button Frame‘‘‘
        self.frameBottom = tk.Frame(self.root,height=55,width=300)
        ‘‘‘把Button顶上去‘‘‘
        self.frameDemo = tk.Frame(self.root,height=10)
        
        self.frameTop.pack(side=tk.TOP)
        self.frameBottom.pack(side=tk.TOP)
        self.frameDemo.pack(side=tk.TOP)
        ‘‘‘定义倒计时属性‘‘‘
        self.decTimeLable = tk.Label(self.frameTop,text=‘正在连接服务器...‘,font=("Arial",20))
        self.decTimeLable.pack(side=tk.TOP)
        ‘‘‘定义签到Button‘‘‘
        tk.Button(self.frameBottom,
               text=‘签到‘,
               height=1,width=8,padx=8,pady=8,
               font=("Arial",14),
               command=self.check).pack(side=tk.LEFT)
        ‘‘‘定义比赛Button‘‘‘
        self.BEGIN = tk.Button(self.frameBottom,
                           text=‘比赛开始‘,
                           height=1,width=8,padx=8,pady=8,
                           font=("Arial",14),
                           command=self.startButton)
        self.BEGIN.pack(side=tk.RIGHT)
        self.decTimeLable.pack()
        self.root.mainloop()       
    ‘‘‘开始比赛，启动客户端服务‘‘‘        
    def startButton(self):
        self.BEGIN.config(state=‘disable‘)
        denyhttpclinet = DenyHttpClient()
        threadQueryTime = threading.Thread(target=denyhttpclinet.queryTime)
        threadQueryTime.start()
        ‘‘‘下面这句，为了刷新Button状态为不可点击状态‘‘‘
        tk.messagebox.showwarning(‘警告‘, ‘正在连接服务器...‘)
        threadQueryTime.join()
        ‘‘‘进行版本更新‘‘‘
        ‘‘‘线程之间用returnval传递值‘‘‘
        if denyhttpclinet.returnval == 1:
            self.decTimeLable.configure(text=‘正在检查版本信息...‘)
            threadCheckTime = threading.Thread(target=denyhttpclinet.checkVersion)
            threadCheckTime.start()
            threadCheckTime.join()
            
            print(denyhttpclinet.versionRight)
            if denyhttpclinet.versionRight == 1:            
                self.decTimeLable.configure(text=‘00:00:00‘)
                tk.messagebox.showwarning(‘警告‘, ‘当前为最新版本！‘)
            else:
                tk.messagebox.showwarning(‘警告‘, ‘版本更新！\n请联系管理员‘)
                sys.exit()
            threadContest = threading.Thread(target=denyhttpclinet.startContest)
            threadContest.start()
        elif denyhttpclinet.returnval == 0:
            self.decTimeLable.configure(text=‘比赛尚未开始！‘)
        elif denyhttpclinet.returnval == -2:
            self.decTimeLable.configure(text=‘比赛已经开始！‘)
        else:
            self.decTimeLable.configure(text=‘比赛已结束！‘)
        if denyhttpclinet.endTime !=‘‘ and denyhttpclinet.now != ‘‘:
            self.totaltime = (denyhttpclinet.endTime - datetime.datetime.strptime(denyhttpclinet.now, "%Y-%m-%d %H:%M:%S")).seconds
            self.changetime = ChangeTime(self.totaltime)
            threadDecTime = threading.Thread(target=self.textadd())
            threadDecTime.start()
    ‘‘‘改变Button状态‘‘‘
    def buttonNormal(self,sleepTime):
        while self.mark:
            if self.mark :
                self.BEGIN.config(state=‘normal‘)
            time.sleep(1)
    def check(self):
        tk.messagebox.showwarning(‘警告‘, ‘待更新‘)
    ‘‘‘刷新倒计时‘‘‘
    def textadd(self):
        t = self.changetime.subTime()
        if t == ‘00:00:00‘:
            self.BEGIN.config(state=‘normal‘)
            self.decTimeLable.configure(text=‘比赛结束！‘)#这个修改lable值
            return
        self.decTimeLable.configure(text=‘距比赛结束： ‘+t)
        self.decTimeLable.after(1000, self.textadd)
   
if __name__==‘__main__‘:
    Demo = DenyHttpGui()
    Demo.startGui()

#coding:gbk
‘‘‘
DenyClient.py
客户端与服务器端的操作
1.连接服务器
2.监听端口
3.查询比赛时间
4.监听本地网络连接状态
5.违规报警
‘‘‘
from socket import *
import time
import datetime
from ClientOperate import *
import threading
import subprocess
import multiprocessing

class DenyHttpClient():
    def __init__(self):
        ‘‘‘服务器套接字‘‘‘
        self.HOST = ‘10.251.234.141‘
        self.PORT = 1122
        self.ADDR = (self.HOST, self.PORT)
        ‘‘‘数据包大小‘‘‘
        self.BUFSIZE = 1024
        self.now = ‘‘
        ‘‘‘比赛结束时间‘‘‘
        self.endTime = ‘‘
        ‘‘‘线程之间传值‘‘‘
        self.returnval = 0
        ‘‘‘版本号‘‘‘
        self.versionRight = 0
    ‘‘‘检查版本‘‘‘
    def checkVersion(self):
        msg = ‘V:0‘
        self.listener(msg)
        if self.getdata == ‘1‘:
            self.versionRight =  1
        elif self.getdata == ‘-1‘:
            self.versionRight =  -1
     
    ‘‘‘查询比赛时间，确认连接‘‘‘    
    def queryTime(self):
        if os.system(‘ping ‘ + self.HOST):
            print(‘无法连接到目标主机！‘)
            return 
        self.now = datetime.datetime.strftime(datetime.datetime.now(), "%Y-%m-%d %H:%M:%S")
        msg = ‘B:‘ + str(self.now)
        try:
            if self.listener(msg):
                msg = ‘IP:‘ + gethostbyname(gethostname())
                self.listener(msg)
                self.returnval = 1
                return 1
            elif self.getdata == ‘-1‘:
                print(‘比赛已结束‘)
                self.returnval = -1
                return -1
            elif self.getdata == ‘-2‘:
                self.returnval = -2
                print(‘比赛已经开始‘)
                return -2
            else:
                self.returnval = 0
                return 0
        except ConnectionRefusedError:
            self.returnval = 0
            return 0
        except TimeoutError:
            self.returnval = 0
            return 0
    ‘‘‘开始检测与本地监听‘‘‘
    def startContest(self):
        self.t1 = threading.Thread(target=self.contestBegin)#参数是函数对象
        self.t2 = threading.Thread(target=self.contestEnd)
        self.t1.setDaemon(True)
        self.t2.setDaemon(True)
        self.t1.start()
        self.t2.start()
        self.t1.join()
        self.t2.join()  
        return 0
    ‘‘‘监听端口信息‘‘‘
    def listener(self,data):
        self.client = socket(AF_INET,SOCK_STREAM)
        self.client.connect(self.ADDR)
        
        self.client.send(data.encode(‘utf-8‘))
        print(‘发送消息给%s: %s‘ % (self.HOST, data))
        self.getdata = self.client.recv(self.BUFSIZE)
        self.getdata = self.getdata.decode(‘utf-8‘)
        print(‘接受的消息  %s‘ % (self.getdata))
        if self.getdata == ‘0‘ or self.getdata == ‘-1‘:
            return False
        elif len(self.getdata) > 2:
            self.endTime = datetime.datetime.strptime(self.getdata, "%Y-%m-%d %H:%M:%S")
            return True

    ‘‘‘
    在比赛过程中
    1.执行拒绝HTTP操作
    2.不断检测网络是否联通
    ‘‘‘
    def contestBegin(self):
        Denyfile()
        if not detectnet():
            print(‘success deny http!‘)
        else:
            print(‘failed deny http!‘)
            return 
        self.begin = 1
        while self.begin:
            if detectnet():
                print(‘somebody cheating!‘)
                self.listener(‘Error: ‘ + gethostbyname(gethostname()))
            time.sleep(5)
    
    ‘‘‘检查是否到比赛时间，每隔 剩余时间二分之一检查一次，比赛结束后，恢复网络‘‘‘    
    def contestEnd(self):
        print(‘检测比赛结束.......‘)
        while True:
            if self.endTime > datetime.datetime.now():
                sleepTime  = (self.endTime - datetime.datetime.now()).seconds // 2
                if not sleepTime > 5:
                    sleepTime = 2
                time.sleep(sleepTime)
                print(‘contestEnd: 比赛进行中...‘)
            else:
                break
        self.begin = 0
        print(‘contest end!‘)
        Recoverfile()
        if os.system(‘ping www.baidu.com‘) == 1:
            print(‘contest end but recover failed!!!‘)
        else:
            print(‘比赛完美举办！‘)
   
            
if __name__ == ‘__main__‘:
    c = DenyHttpClient()
    c.checkVersion()
#     c.startContest()

‘‘‘
ClientOperate.py
对文件的复制，恢复，修改处理
‘‘‘
#coding:gbk
import os
import sys
from subprocess import *

‘‘‘复制Hosts文件，添加禁止访问网址，备份‘‘‘
def Denyfile():
    
    if not os.path.exists(‘D:\DenyHttp‘):
        os.mkdir(‘D:\DenyHttp‘)
        os.mkdir(r‘D:\DenyHttp\restore‘)    
    
    hostsName = ‘C:\Windows\System32\drivers\etc\hosts‘
    filename = r‘D:\DenyHttp\hosts‘
    if os.path.exists(r‘D:\DenyHttp\hosts‘) and os.path.exists(r‘D:\DenyHttp\restore\hosts‘):
        print(filename + ‘已存在！‘)
    else:
        print(‘文件不存在，准备复制：‘)
        if not os.system(r‘copy ‘+ hostsName +‘ D:\DenyHttp‘):
            print(‘file remove from ‘ + hostsName + ‘ to ‘ + filename)
        if not os.system(r‘copy ‘+ hostsName + r‘ D:\DenyHttp\restore‘):
            print(‘file remove from ‘ + hostsName + ‘ to D:\DenyHttp\restore‘)
    
        L = []
        denyNetAddress = getHTTPList(L)
        ‘‘‘添加htttp到文件‘‘‘
        for s in denyNetAddress:
            os.system(‘echo ‘ + s +‘>>‘ + filename)
    
    ‘‘‘修改hosts文件‘‘‘    
    if not os.system(r‘copy D:\DenyHttp\hosts C:\Windows\System32\drivers\etc‘):
        print(‘file hosts has been already discovered!‘)
‘‘‘恢复Hosts文件‘‘‘    
def Recoverfile():
    if not os.system(r‘copy D:\DenyHttp\restore\hosts C:\Windows\System32\drivers\etc‘):
        print(‘file hosts has been already recovered!‘)
‘‘‘覆盖Hosts文件后，检查是否成功覆盖，成功后将不能访问特定网址‘‘‘
def detectnet():
    L = []
    denyNetAddress = getNetList(L)
    mark = 1
    for s in denyNetAddress:
        p = Popen(["ping.exe" , s],
                  stdin=PIPE,stdout=PIPE,stderr=PIPE,
                  shell=True)
        out = p.stdout.read()
        if ‘127.0.0.1‘ in str(out):
            mark = 0
    ‘‘‘mark为假不能访问‘‘‘
    if not mark:
        print(‘can\‘t request http‘)
    else:
        print(‘can request http‘)
    return mark
‘‘‘初始化目标网址列表‘‘‘
def getHTTPList(denyNetAddress = []):
    denyNetAddress.append(‘127.0.0.1 www.baidu.com‘)
    denyNetAddress.append(‘127.0.0.1 www.sogou.com‘)
    denyNetAddress.append(‘127.0.0.1 sg.search.yahoo.com‘)
    denyNetAddress.append(‘127.0.0.1 cn.bing.com‘)
    denyNetAddress.append(‘127.0.0.1 www.soso.com‘)
    denyNetAddress.append(‘127.0.0.1 www.cnblogs.com‘)
    denyNetAddress.append(‘127.0.0.1 blog.csdn.net‘)
    
    return denyNetAddress
def getNetList(denyNetAddress = []):
    denyNetAddress.append(‘www.baidu.com‘)
    denyNetAddress.append(‘www.sogou.com‘)
    denyNetAddress.append(‘sg.search.yahoo.com‘)
    denyNetAddress.append(‘cn.bing.com‘)
    denyNetAddress.append(‘www.soso.com‘)
    denyNetAddress.append(‘www.cnblogs.com‘)
    denyNetAddress.append(‘blog.csdn.net‘)
    
    return denyNetAddress
if __name__ == ‘__main__‘:
#     Denyfile()
    Recoverfile()
#     print(detectnet())
    

#coding:utf-8
‘‘‘
CountTime.py
将秒转化为时间格式进行倒计时
‘‘‘
class ChangeTime():
    
    def __init__(self,totaltime=0):
        self.sec = totaltime
        self.hour = int(self.sec / 3600)
        self.sec = self.sec % 3600
        self.minute = int(self.sec / 60)
        self.sec = int(self.sec % 60)
    def subTime(self):
        if self.sec > 0:
            self.sec -=  1
        else:
            if self.minute > 0:
                self.minute -= 1
                self.sec = 59
            else:
                if self.hour > 0:
                    self.hour -= 1
                    self.minute = 59
                    self.sec = 59
                else:
                    return ‘0‘
        return str(‘%02d‘ % self.hour) + ‘:‘ + str(‘%02d‘ % self.minute) + ‘:‘ + str(‘%02d‘ % self.sec)