고급 FTP 서버 사용 소개

高级FTP服务器
1. 用户加密认证
2. 多用户同时登陆
3. 每个用户有自己的家目录且只能访问自己的家目录
4. 对用户进行磁盘配额、不同用户配额可不同
5. 用户可以登陆server后，可切换目录
6. 查看当前目录下文件
7. 上传下载文件，保证文件一致性
8. 传输过程中现实进度条
9.支持断点续传
10.用户操作日志

服务端 启动参数  start
客户端 启动参数  -s localhost -P 9500

程序结构:
seniorFTP/#综合目录
|- - -ftp_client/#客户端程序目录
|           |- - -__init__.py
|           |- - -bin/#启动目录
|           |      |- - -__init__.py
|           |      |- - -client_ftp.py#客户端视图启动
|           |
|           |- - -cfg/#配置目录
|           |      |- - -__init__.py
|           |      |- - -config.py#配置文件
|           |
|           |- - -down/#下载文件目录
|           |
|           |- - -putfile/#上传文件目录
|           |
|           |
|           |- - -REDMAE
|- - -ftp_server/#服务端程序目录
|           |- - -__init__.py
|           |- - -bin/#启动目录
|           |      |- - -__init__.py
|           |      |- - -start.py#服务端视图启动
|           |      |- - -user_reg.py#用户注册启动
|           |
|           |- - -cfg/#配置目录
|           |      |- - -__init__.py
|           |      |- - -config.py#配置文件
|           |      |- - -userpwd.cfg#用户信息文件
|           |
|           |- - -core/#文件目录
|           |      |- - -__init__.py
|           |      |- - -ftp_server.py#服务端主要逻辑 类

|           |      |- - -logs.py#日志主要逻辑 类

|           |      |- - -main.py#服务端启动主程序
|           |
|           |- - -home/#用户文件目录
|           |      |- - -用户/#个人目录
|           |
|           |- - -log/#日志文件目录
|           |
|           |- - -REDMAE
|           |
|
|- - -REDMAE

先上流程图:

详细代码如下:

|- - -ftp_client/#客户端程序目录
|           |- - -__init__.py
|           |- - -bin/#启动目录
|           |      |- - -__init__.py
|           |      |- - -client_ftp.py#客户端视图启动

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  1 #！usr/bin/env python  2 #-*-coding:utf-8-*-  3 # Author calmyan  4 import socket,os,json,getpass,hashlib  5 import os ,sys,optparse  6   7 STATUS_CODE={  8     240:'格式出错,格式:{"action":"get","filename":"filename","size":100}',  9     241:'指令错误', 10     242:'用户密码出错', 11     243:'用户或密码出错', 12     244:'用户密码通过校验', 13 } 14 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 15 sys.path.append(BASE_DIR)#增加环境变量 16 from cfg import config 17 class FTPClient(object): 18     def __init__(self): 19         paresr=optparse.OptionParser() 20         paresr.add_option('-s','--server',dest='server',help='服务器地址') 21         paresr.add_option('-P','--port',type="int",dest='port',help='服务器端口') 22         paresr.add_option('-u','--username',dest='username',help='用户名') 23         paresr.add_option('-p','--password',dest='password',help='密码') 24         (self.options,self.args)=paresr.parse_args()#返回一个字典与列表的元组 25         self.verify_args(self.options,self.args)#判断参数 26         self.ser_connect()#连接服务端 27         self.cmd_list=config.CMD_LIST 28         self.rat=0#文件断点 29  30     #实例化一个连接端 31     def ser_connect(self): 32         self.c=socket.socket()#实例化一个连接端 33         self.c.connect((self.options.server,self.options.port))#进行连接 34  35     #判断用户与密码是否成对出现 36     def verify_args(self,options,args): 37         if (options.username is None and options.password is None) or (options.username is not None and options.password is not None):#判断用户与密码是否成对出现 38             pass##判断用户与密码单个出现 39         else: 40             exit('出错:请输入用户与密码!')#退出 41         if options.server and options.port:#端口判断 42             if options.port>0 and options.port指令>>>:'%self.user_dir).strip()131                 if len(cmd)==0:continue#输入空跳过132                 if cmd=='exit':exit()#退出指令133                 cmd_str=cmd.split()#用空格分割 取命令到列表134                 #print(cmd_str)135                 #print(len(cmd_str))136                 if len(cmd_str)==1 and cmd_str[0] in self.cmd_list:#如果是单个命令 并且在命令列表中137                 #if len(cmd_str)==1:#如果是单个命令 并且在命令列表中138                     if cmd_str[0]==config.HELP:139                         self.help()140                         continue141                     func=getattr(self,'cmd_compr')#调用此方法142                     ret=func(cmd_str)143                     if ret:144                         continue145                     else:146                         pass147                 elif len(cmd_str)>1:148                     if hasattr(self,'cmd_%s'%cmd_str[0]):#判断类中是否有此方法149                         func=getattr(self,'cmd_%s'%cmd_str[0])#调用此方法150                         func(cmd_str)#执行151                         continue152                 else:153                     print('指令出错!')154                     self.help()#155 156     #'''是否要md5'''157     def cmd_md5_(self,cmd_list):158         '''是否要md5'''159         if '--md5' in cmd_list:160             return True161 162     #进度条163     def show_pr(self,total):#进度条164         received_size = 0 #发送的大小165         current_percent = 0 #166         while received_size  current_percent :168                   print("#",end="",flush=True)#进度显示169                   current_percent = int((received_size / total) * 100 )170              new_size = yield #断点跳转 传入的大小171              received_size += new_size172 173     #单个命令174     def cmd_compr(self,cmd_str,**kwargs):175         mag_dict={176                     "action":"compr",177                     'actionname':cmd_str[0]178                 }179         self.c.send(json.dumps(mag_dict).encode('utf-8'))#发送数据180         cmd_res_attr=self.get_response()#得到服务器的回复181         if type(cmd_res_attr) is not int:#如果不int 类型182             if cmd_res_attr["status_code"] ==241:#命令不对183                 print(cmd_res_attr['status_msg'])184                 return185             if cmd_res_attr["status_code"] ==240:#命令不对186                 print(cmd_res_attr['status_msg'])187                 return188         size_l=0#收数据当前大小189         self.c.send('准备好接收了，可以发了'.encode('utf-8'))190         receive_data= ''.encode()191         while size_l 1:310             filename=cmd_list[1]#取文件名311             filename_dir=config.PUT_DIR+filename#拼接文件名路径312 313             if os.path.isfile(filename_dir):#是否是一个文件314                 filesize=os.stat(filename_dir).st_size#获取文件大小315                 #执行行为 名字,大小,是否316                 mag_dict={317                     "action":"put",318                     'filename':filename,319                     'size':filesize,320                     'overridden':True,321                     'md5':False322                 }323                 if self.cmd_md5_(cmd_list):#判断是否进行MD5324                     mag_dict['md5'] = True325                 self.c.send(json.dumps(mag_dict).encode('utf-8'))#发送文件信息326                 data=self.get_response()#得到服务器的回复327                 if data["status_code"] ==250:#磁盘空间不足328                     print(data['status_msg'])329                     print(mag_dict['size'])330                     return331                 if data["status_code"] ==249:#磁盘空间足够332                     print(data['status_msg'])333                     print('剩余空间',data['剩余空间'])334                     self.c.send(b'1')#发送到服务器,表示可以上传文件了335                     data=self.get_response()#得到服务器的回复336                     if data["status_code"] ==230:#断点续传337                         print(data['status_msg'])338                         print(data['文件大小'])339                         self.rat=data['文件大小']#文件指针位置340                         pass341                     elif data["status_code"] ==231:#非断点续传342                         print(data['status_msg'])343                         self.rat=0#文件指针位置344                         pass345                     f=open(filename_dir,'rb')#打开文件346                     f.seek(self.rat)#移动到位置347                     print(mag_dict['md5'])348                     self.c.send(b'1')#发送到服务器,表示可以上传文件了349                     if mag_dict['md5']==True:350                         md5_obj = hashlib.md5()#定义MD5351                         progress = self.show_pr(mag_dict['size']) #进度条 传入文件大小352                         progress.__next__()353                         while self.rat<354>                                                                       ''                           ''                                                                                                                                                                                                                           ''                                                                                                             ''                      ''                            ''                                                                                       ''                                                                                                            ''                           ''                                                                                                                                                                                                                        ''                                                       ''   ''           </354>

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위 내용은 고급 FTP 서버 사용 소개의 상세 내용입니다. 자세한 내용은 PHP 중국어 웹사이트의 기타 관련 기사를 참조하세요!