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simple_http.py2
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simple_http.py2
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#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""Simple HTTP Server With Upload.
This module builds on BaseHTTPServer by implementing the standard GET
and HEAD requests in a fairly straightforward manner.
"""
__version__ = "1.0.0"
__author__ = "freelamb"
__all__ = ["SimpleHTTPRequestHandler"]
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 receive 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 = "simple_http_server/" + __version__
def do_GET(self):
"""Serve a GET request."""
fd = self.send_head()
if fd:
shutil.copyfileobj(fd, self.wfile)
fd.close()
def do_HEAD(self):
"""Serve a HEAD request."""
fd = self.send_head()
if fd:
fd.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: freelamb, check new version at ")
f.write("<a href=\"https://github.com/freelamb/simple_http_server\">")
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:
shutil.copyfileobj(f, self.wfile)
f.close()
def deal_post_data(self):
boundary = self.headers.plisttext.split("=")[1]
remain_bytes = int(self.headers['content-length'])
line = self.rfile.readline()
remain_bytes -= len(line)
if boundary not in line:
return False, "Content NOT begin with boundary"
line = self.rfile.readline()
remain_bytes -= len(line)
fn = re.findall(r'Content-Disposition.*name="file"; filename="(.*)"', line)
if not fn:
return False, "Can't find out file name..."
path = translate_path(self.path)
fn = os.path.join(path, fn[0])
while os.path.exists(fn):
fn += "_"
line = self.rfile.readline()
remain_bytes -= len(line)
line = self.rfile.readline()
remain_bytes -= len(line)
try:
out = open(fn, 'wb')
except IOError:
return False, "Can't create file to write, do you have permission to write?"
pre_line = self.rfile.readline()
remain_bytes -= len(pre_line)
while remain_bytes > 0:
line = self.rfile.readline()
remain_bytes -= len(line)
if boundary in line:
pre_line = pre_line[0:-1]
if pre_line.endswith('\r'):
pre_line = pre_line[0:-1]
out.write(pre_line)
out.close()
return True, "File '%s' upload success!" % fn
else:
out.write(pre_line)
pre_line = 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 output file 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 = translate_path(self.path)
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)
content_type = 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", content_type)
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_dir = os.listdir(path)
except os.error:
self.send_error(404, "No permission to list directory")
return None
list_dir.sort(key=lambda a: a.lower())
f = StringIO()
display_path = 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" % display_path)
f.write("<body>\n<h2>Directory listing for %s</h2>\n" % display_path)
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_dir:
fullname = os.path.join(path, name)
display_name = linkname = name
# Append / for directories or @ for symbolic links
if os.path.isdir(fullname):
display_name = name + "/"
linkname = name + "/"
if os.path.islink(fullname):
display_name = name + "@"
# Note: a link to a directory displays with @ and links with /
f.write('<li><a href="%s">%s</a>\n' % (urllib.quote(linkname), cgi.escape(display_name)))
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 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 translate_path(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 main():
# BaseHTTPServer.test(SimpleHTTPRequestHandler, BaseHTTPServer.HTTPServer)
if sys.argv[1:]:
port = int(sys.argv[1])
else:
port = 8000
server_address = ('', port)
SimpleHTTPRequestHandler.protocol_version = "HTTP/1.0"
httpd = BaseHTTPServer.HTTPServer(server_address, SimpleHTTPRequestHandler)
sa = httpd.socket.getsockname()
print "Serving HTTP on", sa[0], "port", sa[1], "..."
httpd.serve_forever()
if __name__ == '__main__':
main()