upload.py-摩杜云开发者社区

#!/usr/bin/env python

"""Simple HTTP Server With Upload.

This module builds on BaseHTTPServer by implementing the standard GET and HEAD requests in a fairly straightforward manner.

"""

version = "0.1" all = ["SimpleHTTPRequestHandler"] author = "bones7456" home_page = "http://li2z.cn/"

import os import sys import posixpath import BaseHTTPServer import urllib import cgi import shutil import mimetypes import re try: from cStringIO import StringIO except ImportError: from StringIO import StringIO

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."""
    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 rel="nofollow" href=\"%s\">back</a>" % self.headers['referer'])
    f.write("<hr><small>Powerd By: bones7456, check new version at ")
    f.write("<a rel="nofollow" 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)
    fn = os.path.join(path, fn[0])
    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\"/></form>\n")
    f.write("<hr>\n<ul>\n")
    for name in list:
        fullname = os.path.join(path, name)
        displayname = linkname = name
        # Append / for directories or @ for symbolic links
        if os.path.isdir(fullname):
            displayname = name + "/"
            linkname = name + "/"
        if os.path.islink(fullname):
            displayname = name + "@"
            # Note: a link to a directory displays with @ and links with /
        f.write('<li><a rel="nofollow" href="%s">%s</a>\n'
                % (urllib.quote(linkname), cgi.escape(displayname)))
    f.write("</ul>\n<hr>\n</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()
    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',
    })

def test(HandlerClass=SimpleHTTPRequestHandler, ServerClass=BaseHTTPServer.HTTPServer):

protocol = "HTTP/1.0"
host = ''
port = 8071
if len(sys.argv) > 1:
    arg = sys.argv[1]
    if ':' in arg:
        host, port = arg.split(':')
        port = int(port)
    else:
        try:
            port = int(sys.argv[1])
        except:
            host = sys.argv[1]

server_address = (host, port)

HandlerClass.protocol_version = protocol
httpd = ServerClass(server_address, HandlerClass)

sa = httpd.socket.getsockname()
print "Serving HTTP on", sa[0], "port", sa[1], "..."
httpd.serve_forever()

if name == 'main': test()