用Python实现一个简单的能够上传下载的HTTP服务器

概述#!/usr/bin/envpython#coding=utf-8#modifyDate:20120808~20120810#原作者为：bones7456,http://li2z.cn/

#!/usr/bin/env python#Coding=utf-8# modifyDate: 20120808 ~ 20120810# 原作者为：bones7456,http://li2z.cn/# 修改者为：decli@qq.com# v1.2，changeLog：# +: 文件日期/时间/颜色显示、多线程支持、主页跳转# -: 解决不同浏览器下上传文件名乱码问题：仅IE，其它浏览器暂时没处理。# -: 一些路径显示的BUG，主要是 cgi.escape() 转义问题# ?: notepad++ 下直接编译的server路径问题 """  简介：这是一个 python 写的轻量级的文件共享服务器（基于内置的SimplehttpServer模块），  支持文件上传下载，只要你安装了python（建议版本2.6~2.7，不支持3.x），  然后去到想要共享的目录下，执行：    python SimplehttpServerWithUpload.py 1234      其中1234为你指定的端口号，如不写，默认为 8080  然后访问 http://localhost:1234 即可，localhost 或者 1234 请酌情替换。""" """Simple http Server With Upload. This module builds on BasehttpServer by implementing the standard GETand head requests in a fairly straightforward manner. """ __version__ = "0.1"__all__ = ["SimplehttpRequestHandler"]__author__ = "bones7456"__home_page__ = "" import os,sys,platformimport posixpathimport BasehttpServerfrom SocketServer import ThreadingMixInimport threadingimport urllib,urllib2import cgiimport shutilimport mimetypesimport reimport time try:  from cStringIO import StringIOexcept importError:  from StringIO import StringIO   def get_ip_address(ifname):  import socket  import fcntl  import struct  s = socket.socket(socket.AF_INET,socket.soCK_DGRAM)  return socket.inet_ntoa(fcntl.ioctl(    s.fileno(),0x8915,# SIocgIFADDR    struct.pack('256s',ifname[:15])  )[20:24]) class GetWanIp:  def getip(self):    try:      myip = self.visit("http://ip.taobao.com/service/getIpInfo.PHP?ip=myip")    except:      print "ip.taobao.com is Error"      try:        myip = self.visit("http://www.bliao.com/ip.pHTML")      except:        print "bliao.com is Error"        try:          myip = self.visit("http://www.whereismyip.com/")        except: # 'nonetype' object has no attribute 'group'          print "whereismyip is Error"          myip = "127.0.0.1"    return myip  def visit(self,url):    #req = urllib2.Request(url)    #values = {'User-Agent': 'Mozilla/5.0 (windows NT 6.1) AppleWebKit/537.31 (KHTML,like Gecko) Chrome/26.0.1410.64 Safari/537',#      'Referer': 'http://ip.taobao.com/ipSearch.PHP',#      'ip': 'myip'    #     }    #data = urllib.urlencode(values)    opener = urllib2.urlopen(url,None,3)    if url == opener.geturl():      str = opener.read()    return re.search('(\d+\.){3}\d+',str).group(0) def showTips():  print ""  print '----------------------------------------------------------------------->> '  try:     port = int(sys.argv[1])  except Exception,e:    print '-------->> Warning: Port is not given,will use deafult port: 8080 '    print '-------->> if you want to use other port,please execute: '    print '-------->> python SimplehttpServerWithUpload.py port '    print "-------->> port is a integer and it's range: 1024 < port < 65535 "    port = 8080     if not 1024 < port < 65535: port = 8080  # serveraddr = ('',port)  print '-------->> Now,Listening at port ' + str(port) + ' ...'  osType = platform.system()  if osType == "linux":    print '-------->> You can visit the URL:   http://'+ GetWanIp().getip() + ':' +str(port)  else:    print '-------->> You can visit the URL:   http://127.0.0.1:' +str(port)  print '----------------------------------------------------------------------->> '  print ""  return ('',port) serveraddr = showTips()   def sizeof_fmt(num):  for x in ['bytes','KB','MB','GB']:    if num < 1024.0:      return "%3.1f%s" % (num,x)    num /= 1024.0  return "%3.1f%s" % (num,'TB') def modification_date(filename):  # t = os.path.getmtime(filename)  # return datetime.datetime.fromtimestamp(t)  return time.strftime("%Y-%m-%d %H:%M:%s",time.localtime(os.path.getmtime(filename))) class SimplehttpRequestHandler(BasehttpServer.BasehttpRequestHandler):   """Simple http request handler with GET/head/POST commands.   This serves files from the current directory and any of its  subdirectorIEs. The MIME type for files is determined by  calling the .guess_type() method. And can reveive file uploaded  by clIEnt.   The GET/head/POST requests are IDentical except that the head  request omits the actual contents of the file.   """   server_version = "SimplehttpWithUpload/" + __version__   def do_GET(self):    """Serve a GET request."""    # print "....................",threading.currentThread().getname()    f = self.send_head()    if f:      self.copyfile(f,self.wfile)      f.close()   def do_head(self):    """Serve a head request."""    f = self.send_head()    if f:      f.close()   def do_POST(self):    """Serve a POST request."""    r,info = self.deal_post_data()    print r,info,"by: ",self.clIEnt_address    f = StringIO()    f.write('<!DOCTYPE HTML PUBliC "-//W3C//DTD HTML 3.2 Final//EN">')    f.write("<HTML>\n<Title>Upload Result Page</Title>\n")    f.write("<body>\n<h2>Upload Result Page</h2>\n")    f.write("<hr>\n")    if r:      f.write("<strong>Success:</strong>")    else:      f.write("<strong>Failed:</strong>")    f.write(info)    f.write("<br><a href=\"%s\">back</a>" % self.headers['referer'])    f.write("<hr><small>Powered By: bones7456,check new version at ")    f.write("<a href=\"http://li2z.cn/?s=SimplehttpServerWithUpload\">")    f.write("here</a>.</small></body>\n</HTML>\n")    length = f.tell()    f.seek(0)    self.send_response(200)    self.send_header("Content-type","text/HTML")    self.send_header("Content-Length",str(length))    self.end_headers()    if f:      self.copyfile(f,self.wfile)      f.close()       def deal_post_data(self):    boundary = self.headers.pListtext.split("=")[1]    remainbytes = int(self.headers['content-length'])    line = self.rfile.readline()    remainbytes -= len(line)    if not boundary in line:      return (False,"Content NOT begin with boundary")    line = self.rfile.readline()    remainbytes -= len(line)    fn = re.findall(r'Content-disposition.*name="file"; filename="(.*)"',line)    if not fn:      return (False,"Can't find out file name...")    path = self.translate_path(self.path)    osType = platform.system()    try:      if osType == "linux":        fn = os.path.join(path,fn[0].decode('gbk').encode('utf-8'))       else:        fn = os.path.join(path,fn[0])     except Exception,e:      return (False,"文件名请不要用中文，或者使用IE上传中文名的文件。")    while os.path.exists(fn):      fn += "_"    line = self.rfile.readline()    remainbytes -= len(line)    line = self.rfile.readline()    remainbytes -= len(line)    try:      out = open(fn,'wb')    except IOError:      return (False,"Can't create file to write,do you have permission to write?")             preline = self.rfile.readline()    remainbytes -= len(preline)    while remainbytes > 0:      line = self.rfile.readline()      remainbytes -= len(line)      if boundary in line:        preline = preline[0:-1]        if preline.endswith('\r'):          preline = preline[0:-1]        out.write(preline)        out.close()        return (True,"file '%s' upload success!" % fn)      else:        out.write(preline)        preline = line    return (False,"Unexpect Ends of data.")   def send_head(self):    """Common code for GET and head commands.     This sends the response code and MIME headers.     Return value is either a file object (which has to be copIEd    to the outputfile by the caller unless the command was head,and must be closed by the caller under all circumstances),or    None,in which case the caller has nothing further to do.     """    path = self.translate_path(self.path)    f = None    if os.path.isdir(path):      if not self.path.endswith('/'):        # redirect browser - doing basically what apache does        self.send_response(301)        self.send_header("Location",self.path + "/")        self.end_headers()        return None      for index in "index.HTML","index.htm":        index = os.path.join(path,index)        if os.path.exists(index):          path = index          break      else:        return self.List_directory(path)    ctype = self.guess_type(path)    try:      # Always read in binary mode. opening files in text mode may cause      # newline translations,making the actual size of the content      # transmitted *less* than the content-length!      f = open(path,'rb')    except IOError:      self.send_error(404,"file not found")      return None    self.send_response(200)    self.send_header("Content-type",ctype)    fs = os.fstat(f.fileno())    self.send_header("Content-Length",str(fs[6]))    self.send_header("Last-ModifIEd",self.date_time_string(fs.st_mtime))    self.end_headers()    return f   def List_directory(self,path):    """Helper to produce a directory Listing (absent index.HTML).     Return value is either a file object,or None (indicating an    error). In either case,the headers are sent,making the    interface the same as for send_head().     """    try:      List = os.Listdir(path)    except os.error:      self.send_error(404,"No permission to List directory")      return None    List.sort(key=lambda a: a.lower())    f = StringIO()    displaypath = cgi.escape(urllib.unquote(self.path))    f.write('<!DOCTYPE HTML PUBliC "-//W3C//DTD HTML 3.2 Final//EN">')    f.write("<HTML>\n<Title>Directory Listing for %s</Title>\n" % displaypath)    f.write("<body>\n<h2>Directory Listing for %s</h2>\n" % displaypath)    f.write("<hr>\n")    f.write("<form ENCTYPE=\"multipart/form-data\" method=\"post\">")    f.write("<input name=\"file\" type=\"file\"/>")    f.write("<input type=\"submit\" value=\"upload\"/>")    f.write("              ")    f.write("<input type=\"button\" value=\"HomePage\" onClick=\"location='/'\">")    f.write("</form>\n")    f.write("<hr>\n<ul>\n")    for name in List:      fullname = os.path.join(path,name)      colorname = displayname = linkname = name      # Append / for directorIEs or @ for symbolic links      if os.path.isdir(fullname):        colorname = '<span >' + name + '/</span>'        displayname = name        linkname = name + "/"      if os.path.islink(fullname):        colorname = '<span >' + name + '@</span>'        displayname = name        # Note: a link to a directory displays with @ and links with /      filename = os.getcwd() + '/' + displaypath + displayname      f.write('<table><tr><td wIDth="60%%"><a href="%s">%s</a></td><td wIDth="20%%">%s</td><td wIDth="20%%">%s</td></tr>\n'          % (urllib.quote(linkname),colorname,sizeof_fmt(os.path.getsize(filename)),modification_date(filename)))    f.write("</table>\n<hr>\n</body>\n</HTML>\n")    length = f.tell()    f.seek(0)    self.send_response(200)    self.send_header("Content-type",str(length))    self.end_headers()    return f   def translate_path(self,path):    """Translate a /-separated PATH to the local filename Syntax.     Components that mean special things to the local file system    (e.g. drive or directory names) are ignored. (XXX They should    probably be diagnosed.)     """    # abandon query parameters    path = path.split('?',1)[0]    path = path.split('#',1)[0]    path = posixpath.normpath(urllib.unquote(path))    words = path.split('/')    words = filter(None,words)    path = os.getcwd()    for word in words:      drive,word = os.path.splitdrive(word)      head,word = os.path.split(word)      if word in (os.curdir,os.pardir): continue      path = os.path.join(path,word)    return path   def copyfile(self,source,outputfile):    """copy all data between two file objects.     The SOURCE argument is a file object open for reading    (or anything with a read() method) and the DESTINATION    argument is a file object open for writing (or    anything with a write() method).     The only reason for overrIDing this would be to change    the block size or perhaps to replace newlines by CRLF    -- note however that this the default server uses this    to copy binary data as well.     """    shutil.copyfileobj(source,outputfile)   def guess_type(self,path):    """Guess the type of a file.     Argument is a PATH (a filename).     Return value is a string of the form type/subtype,usable for a MIME Content-type header.     The default implementation looks the file's extension    up in the table self.extensions_map,using application/octet-stream    as a default; however it would be permissible (if    slow) to look insIDe the data to make a better guess.     """     base,ext = posixpath.splitext(path)    if ext in self.extensions_map:      return self.extensions_map[ext]    ext = ext.lower()    if ext in self.extensions_map:      return self.extensions_map[ext]    else:      return self.extensions_map['']   if not mimetypes.inited:    mimetypes.init() # try to read system mime.types  extensions_map = mimetypes.types_map.copy()  extensions_map.update({    '': 'application/octet-stream',# Default    '.py': 'text/plain','.c': 'text/plain','.h': 'text/plain',}) class ThreadingServer(ThreadingMixIn,BasehttpServer.httpServer):  pass   def test(HandlerClass = SimplehttpRequestHandler,ServerClass = BasehttpServer.httpServer):  BasehttpServer.test(HandlerClass,ServerClass) if __name__ == '__main__':  # test()     #单线程  # srvr = BasehttpServer.httpServer(serveraddr,SimplehttpRequestHandler)     #多线程  srvr = ThreadingServer(serveraddr,SimplehttpRequestHandler)     srvr.serve_forever()

REF:

1、httpserver
=======================================
This httpserver is a enhanced version of SimplehttpServer.
It was write in python,I use some code from bottle[https://github.com/defnull/bottle]
It support resuming download,you can set the document root,it has more
frIEndly error hit,and it can handle mimetype gracefully

https://github.com/lerry/httpserver/blob/master/httpserver.py

2、基于 java netty 的 SimplehttpServer，

由于windows不支持某些 netty low-level API，该代码仅能运行在 linux 下：

https://github.com/dvliman/SimplehttpServer

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