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Simple Python Http Server with Upload - Python3 version
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#!/usr/bin/env python3 | |
"""Simple HTTP Server With Upload. | |
This module builds on BaseHTTPServer by implementing the standard GET | |
and HEAD requests in a fairly straightforward manner. | |
see: https://gist.github.com/UniIsland/3346170 | |
""" | |
__version__ = "0.1" | |
__all__ = ["SimpleHTTPRequestHandler"] | |
__author__ = "bones7456" | |
__home_page__ = "http://li2z.cn/" | |
import os | |
import posixpath | |
import sys | |
import http.server | |
import urllib.request, urllib.parse, urllib.error | |
import cgi | |
import shutil | |
import mimetypes | |
import re | |
from io import BytesIO | |
class SimpleHTTPRequestHandler(http.server.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 = BytesIO() | |
f.write(b'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') | |
f.write(b"<html>\n<title>Upload Result Page</title>\n") | |
f.write(b"<body>\n<h2>Upload Result Page</h2>\n") | |
f.write(b"<hr>\n") | |
if r: | |
f.write(b"<strong>Success:</strong>") | |
else: | |
f.write(b"<strong>Failed:</strong>") | |
f.write(info.encode()) | |
f.write(("<br><a href=\"%s\">back</a>" % self.headers['referer']).encode()) | |
f.write(b"<hr><small>Powerd By: bones7456, check new version at ") | |
f.write(b"<a href=\"http://li2z.cn/?s=SimpleHTTPServerWithUpload\">") | |
f.write(b"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): | |
content_type = self.headers['content-type'] | |
if not content_type: | |
return (False, "Content-Type header doesn't contain boundary") | |
boundary = content_type.split("=")[1].encode() | |
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.decode()) | |
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(b'\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 = BytesIO() | |
displaypath = cgi.escape(urllib.parse.unquote(self.path)) | |
f.write(b'<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') | |
f.write(("<html>\n<title>Directory listing for %s</title>\n" % displaypath).encode()) | |
f.write(("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath).encode()) | |
f.write(b"<hr>\n") | |
f.write(b"<form ENCTYPE=\"multipart/form-data\" method=\"post\">") | |
f.write(b"<input name=\"file\" type=\"file\"/>") | |
f.write(b"<input type=\"submit\" value=\"upload\"/></form>\n") | |
f.write(b"<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 href="%s">%s</a>\n' | |
% (urllib.parse.quote(linkname), cgi.escape(displayname))).encode()) | |
f.write(b"</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.parse.unquote(path)) | |
words = path.split('/') | |
words = [_f for _f in words if _f] | |
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 run(port, server_class=http.server.HTTPServer, handler_class=SimpleHTTPRequestHandler): | |
server_address = ('', port) | |
httpd = server_class(server_address, handler_class) | |
httpd.serve_forever() | |
if __name__ == '__main__': | |
if len(sys.argv) != 2 or not sys.argv[1].isdigit(): | |
sys.exit('Usage: {} <port>'.format(sys.argv[0])) | |
run(int(sys.argv[1])) |
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