Upload Result Page

#!/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__ = "0.3.1" __author__ = "freelamb@126.com" __all__ = ["SimpleHTTPRequestHandler"] import os import sys import argparse import posixpath try: from html import escape except ImportError: from cgi import escape import shutil import mimetypes import re import signal from io import StringIO, BytesIO if sys.version_info.major == 3: # Python3 from urllib.parse import quote from urllib.parse import unquote from http.server import HTTPServer from http.server import BaseHTTPRequestHandler else: # Python2 reload(sys) sys.setdefaultencoding('utf-8') from urllib import quote from urllib import unquote from BaseHTTPServer import HTTPServer from BaseHTTPServer import BaseHTTPRequestHandler class SimpleHTTPRequestHandler(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 = BytesIO() f.write(b'') f.write(b"\nUpload Result Page\n") f.write(b"\n

Upload Result Page

\n") f.write(b"

\n") if r: f.write(b"Success:") else: f.write(b"Failed:") f.write(info.encode('utf-8')) f.write(b"
back") f.write(b"

Powered By: freelamb, check new version at ") f.write(b"") f.write(b"here.\n\n") length = f.tell() f.seek(0) self.send_response(200) self.send_header("Content-type", "text/html;charset=utf-8") 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["Content-Type"].split("=")[1].encode('utf-8') 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.decode('utf-8')) 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(b'\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 = BytesIO() display_path = escape(unquote(self.path)) f.write(b'') f.write(b"\nDirectory listing for %s\n" % display_path.encode('utf-8')) f.write(b"\n

Directory listing for %s

\n" % display_path.encode('utf-8')) f.write(b"

\n") f.write(b"\n") f.write(b"

%s\n' % (quote(linkname).encode('utf-8'), escape(display_name).encode('utf-8'))) f.write(b"

\n\n\n") length = f.tell() f.seek(0) self.send_response(200) self.send_header("Content-type", "text/html;charset=utf-8") 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(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 signal_handler(signal, frame): print("You choose to stop me.") exit() def _argparse(): parser = argparse.ArgumentParser() parser.add_argument('--bind', '-b', metavar='ADDRESS', default='0.0.0.0', help='Specify alternate bind address [default: all interfaces]') parser.add_argument('--version', '-v', action='version', version=__version__) parser.add_argument('port', action='store', default=8000, type=int, nargs='?', help='Specify alternate port [default: 8000]') return parser.parse_args() def main(): args = _argparse() # print(args) server_address = (args.bind, args.port) signal.signal(signal.SIGINT, signal_handler) signal.signal(signal.SIGTERM, signal_handler) httpd = HTTPServer(server_address, SimpleHTTPRequestHandler) server = httpd.socket.getsockname() print("server_version: " + SimpleHTTPRequestHandler.server_version + ", python_version: " + SimpleHTTPRequestHandler.sys_version) print("sys encoding: " + sys.getdefaultencoding()) print("Serving http on: " + str(server[0]) + ", port: " + str(server[1]) + " ... (http://" + server[0] + ":" + str(server[1]) + "/)") httpd.serve_forever() if __name__ == '__main__': main()