python 实现 FTPServer 服务

ftp/FtpServer.py

#!/usr/bin/env python
#coding:utf-8

import sys
from pyftpdlib.authorizers import DummyAuthorizer
from pyftpdlib.handlers import FTPHandler, ThrottledDTPHandler
from pyftpdlib.servers import FTPServer
sys.path.append('/***/svn/python/service/ftp/conf')
import settings
import logging


def get_user(userfile):
    #定义一个用户列表
    user_list = []
    with open(userfile) as f:
        for line in f:
            if not line.startswith('#') and line:
                if len(line.split(",")) == 4: 
                    user_list.append(line.split(","))
                else:
                    print "user.conf配置错误"
    return user_list

def ftp_server():
    #实例化虚拟用户，这是FTP验证首要条件
    authorizer = DummyAuthorizer()

    #添加用户权限和路径，括号内的参数是(用户名， 密码， 用户目录， 权限)
    #authorizer.add_user('user', '12345', '/***/tempfile/market', perm='elradfmw')
    user_list = get_user('/***/svn/python/service/ftp/conf/user.py')

    for user in user_list:
        name, passwd, permit, homedir = user

        try:
            authorizer.add_user(name, passwd, homedir.replace("\r\n",""), perm=permit)
        except Exception as e:
            print e

    #添加匿名用户 只需要路径
    if settings.enable_anonymous == 'on':
        authorizer.add_anonymous(settings.anonymous_path)

    #下载上传速度设置
    dtp_handler = ThrottledDTPHandler
    dtp_handler.read_limit = settings.max_download
    dtp_handler.write_limit = settings.max_upload

    #初始化ftp句柄
    handler = FTPHandler
    handler.authorizer = authorizer

    #日志记录
    if settings.enable_logging == 'on':
        logging.basicConfig(filename=settings.loging_name, level=logging.INFO)

    #欢迎信息
    handler.banner = settings.welcome_msg


    #添加被动端口范围
    handler.passive_ports = range(settings.passive_ports[0], settings.passive_ports[1])

    #监听ip 和 端口
    server = FTPServer((settings.ip, settings.port), handler)

    #最大连接数
    server.max_cons = settings.max_cons
    server.max_cons_per_ip = settings.max_per_ip

    #开始服务
    print '开始服务'
    server.serve_forever()

if __name__ == "__main__":
    ftp_server()

ftp/conf/settings.py

#!/usr/bin/env python
#coding:utf-8

ip = '***'

port = '2121'

#上传速度 300kb/s
max_upload = 300 * 1024

#下载速度 300kb/s
max_download = 300 * 1024

#最大连接数
max_cons = 10

#最多IP数
max_per_ip = 5

#被动端口范围，注意被动端口数量要比最大IP数多，否则可能出现无法连接的情况
passive_ports = (2000, 2200)

#是否开启匿名访问 on|off
enable_anonymous = 'off'
#匿名用户目录
anonymous_path = '/***/tempfile/market'

#是否开启日志 on|off
enable_logging = 'off'
#日志文件
loging_name = 'pyftp.log'

#欢迎信息
welcome_msg = 'Welcome to our ftp'

ftp/conf/user.py

#!/usr/bin/env python
#coding:utf-8
#用户名,密码,权限,目录
tcc,tcc,elradfmwM,/***/tempfile/market
mark_ftp,dept_mark,elradfmwM,/***/tempfile/market
goupengdong,dept_mark,elradfmwM,/***/tempfile/market
website_dev,website_dev,elradfmwM,/***/tempfile/market/web

后台运行：

chmod -R 777 /***/tempfile/market

nohup python /***/svn/python/service/ftp/FtpServer.py &

more：http://www.jb51.net/article/110901.htm