2020-01-20 05:19:45 +00:00
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import argparse
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import cgi
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import http.cookies
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2015-09-03 21:09:35 +00:00
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import http.server
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2020-01-20 05:19:45 +00:00
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import math
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2016-07-05 07:24:08 +00:00
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import mimetypes
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2015-10-03 23:29:52 +00:00
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import os
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2016-07-20 03:31:47 +00:00
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import pathlib
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2016-07-05 07:24:08 +00:00
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import random
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2016-07-20 03:31:47 +00:00
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import socketserver
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2016-07-05 07:24:08 +00:00
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import sys
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2019-06-12 05:29:46 +00:00
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import threading
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2016-07-20 03:31:47 +00:00
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import types
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2019-06-12 05:29:46 +00:00
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import urllib.parse
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import zipstream
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2016-07-05 07:24:08 +00:00
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2016-12-25 03:18:23 +00:00
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# pip install voussoirkit
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2016-12-02 06:37:07 +00:00
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from voussoirkit import bytestring
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from voussoirkit import pathclass
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from voussoirkit import ratelimiter
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2015-09-03 21:09:35 +00:00
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2016-07-20 03:31:47 +00:00
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FILE_READ_CHUNK = bytestring.MIBIBYTE
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2016-08-18 01:24:38 +00:00
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RATELIMITER = ratelimiter.Ratelimiter(16 * bytestring.MIBIBYTE)
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2016-07-20 03:31:47 +00:00
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2016-07-05 07:24:08 +00:00
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OPENDIR_TEMPLATE = '''
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<html>
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<body>
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<meta charset="UTF-8">
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2019-06-12 05:29:46 +00:00
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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2016-07-05 07:24:08 +00:00
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<style type="text/css">Body {{font-family:Consolas}}</style>
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2019-06-12 05:29:46 +00:00
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<table style="width: 100%">
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{table_rows}
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2016-07-05 07:24:08 +00:00
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</table>
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</body>
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</html>
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'''
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2020-01-20 05:19:45 +00:00
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PASSWORD_PROMPT_HTML = '''
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<html>
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<body>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<style type="text/css">Body {{font-family:Consolas}}</style>
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<form action="/password" method="post">
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2020-10-10 15:42:48 +00:00
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<input type="text" name="password" placeholder="password" autocomplete="off"/>
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2020-01-20 05:19:45 +00:00
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<input type="hidden" name="goto" value="{goto}"/>
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<input type="submit" value="Submit"/>
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</form>
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</body>
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</html>
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'''
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2019-06-12 05:29:46 +00:00
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ROOT_DIRECTORY = pathclass.Path(os.getcwd())
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2020-10-10 15:43:12 +00:00
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TOKEN_COOKIE_NAME = 'simpleserver_token'
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2015-10-03 23:29:52 +00:00
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2020-10-10 15:44:56 +00:00
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# SERVER ###########################################################################################
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2015-09-03 21:09:35 +00:00
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class RequestHandler(http.server.BaseHTTPRequestHandler):
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2020-10-10 15:44:56 +00:00
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def __init__(self, *args, password=None, accepted_tokens=None, **kwargs):
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2020-01-20 05:19:45 +00:00
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self.accepted_tokens = accepted_tokens
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2020-10-10 15:44:56 +00:00
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self.password = password
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2020-01-20 05:19:45 +00:00
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super().__init__(*args, **kwargs)
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2020-10-13 04:20:44 +00:00
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@property
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def auth_token(self):
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cookie = self.headers.get('Cookie')
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if not cookie:
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return None
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cookie = http.cookies.SimpleCookie(cookie)
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token = cookie.get(TOKEN_COOKIE_NAME)
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if not token:
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return None
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return token
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2020-01-20 05:19:45 +00:00
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def check_password(self, attempt):
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if self.password is None:
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return True
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if attempt == self.password:
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return True
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return False
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def check_has_password(self):
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if self.password is None:
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return True
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if self.headers.get('password', None) == self.password:
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return True
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2020-10-13 04:20:44 +00:00
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if self.accepted_tokens is not None and self.auth_token in self.accepted_tokens:
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return True
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2020-01-20 05:19:45 +00:00
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return False
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2016-07-20 03:31:47 +00:00
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def write(self, data):
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if isinstance(data, str):
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data = data.encode('utf-8')
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if isinstance(data, types.GeneratorType):
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for chunk in data:
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self.wfile.write(chunk)
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2016-08-18 01:24:38 +00:00
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RATELIMITER.limit(len(chunk))
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2016-07-20 03:31:47 +00:00
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else:
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self.wfile.write(data)
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2015-09-03 21:09:35 +00:00
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def do_GET(self):
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2020-01-20 05:19:45 +00:00
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if not self.check_has_password():
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self.send_response(401)
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self.end_headers()
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self.write(PASSWORD_PROMPT_HTML.format(goto=self.path))
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return
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2019-06-12 05:29:46 +00:00
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path = url_to_path(self.path)
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2016-07-10 04:38:49 +00:00
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if self.send_path_validation_error(path):
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2015-10-03 23:29:52 +00:00
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return
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2016-07-05 07:24:08 +00:00
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2016-07-20 03:31:47 +00:00
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range_min = None
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range_max = None
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status_code = 200
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headers = {}
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2016-07-05 07:24:08 +00:00
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2016-07-20 03:31:47 +00:00
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if path.is_file:
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file_size = path.size
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if 'range' in self.headers:
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desired_range = self.headers['range']
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desired_range = desired_range.lower()
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desired_range = desired_range.split('bytes=')[-1]
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helper = lambda x: int(x) if x and x.isdigit() else None
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if '-' in desired_range:
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(desired_min, desired_max) = desired_range.split('-')
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#print('desire', desired_min, desired_max)
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range_min = helper(desired_min)
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range_max = helper(desired_max)
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else:
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range_min = helper(desired_range)
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if range_min is None:
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range_min = 0
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if range_max is None:
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range_max = file_size
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# because ranges are 0 indexed
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range_max = min(range_max, file_size - 1)
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range_min = max(range_min, 0)
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status_code = 206
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range_header = 'bytes {min}-{max}/{outof}'.format(
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min=range_min,
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max=range_max,
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outof=file_size,
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)
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headers['Content-Range'] = range_header
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headers['Accept-Ranges'] = 'bytes'
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content_length = (range_max - range_min) + 1
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else:
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content_length = file_size
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headers['Content-length'] = content_length
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2019-06-12 05:29:46 +00:00
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if path.is_file:
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headers['Content-type'] = mimetypes.guess_type(path.absolute_path)[0]
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response = read_filebytes(path, range_min=range_min, range_max=range_max)
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elif path.is_dir:
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headers['Content-type'] = 'text/html'
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response = generate_opendir(path)
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response = response.encode('utf-8')
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elif self.path.endswith('.zip'):
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path = url_to_path(self.path.rsplit('.zip', 1)[0])
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headers['Content-type'] = 'application/octet-stream'
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2020-01-20 05:19:45 +00:00
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download_as = urllib.parse.quote(path.basename)
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download_as += '.zip'
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headers['Content-Disposition'] = f'attachment; filename*=UTF-8\'\'{download_as}'
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2019-06-12 05:29:46 +00:00
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response = zip_directory(path)
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response = iter(response)
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# response = (print(chunk) or chunk for chunk in response)
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else:
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status_code = 404
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self.send_error(status_code)
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response = bytes()
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2016-07-10 04:38:49 +00:00
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2016-07-20 03:31:47 +00:00
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self.send_response(status_code)
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for (key, value) in headers.items():
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self.send_header(key, value)
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2016-07-05 07:24:08 +00:00
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2016-07-10 04:38:49 +00:00
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self.end_headers()
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2019-06-12 05:29:46 +00:00
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self.write(response)
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2015-09-03 21:09:35 +00:00
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2016-07-10 04:38:49 +00:00
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def do_HEAD(self):
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2020-01-20 05:19:45 +00:00
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if not self.check_has_password():
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self.send_response(401)
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self.end_headers()
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return
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2019-06-12 05:29:46 +00:00
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path = url_to_path(self.path)
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2016-07-10 04:38:49 +00:00
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if self.send_path_validation_error(path):
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return
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2016-07-20 03:31:47 +00:00
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status_code = 200
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2016-08-03 02:06:59 +00:00
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self.send_response(status_code)
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2016-07-10 04:38:49 +00:00
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if path.is_dir:
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mime = 'text/html'
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else:
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2016-07-20 03:31:47 +00:00
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mime = mimetypes.guess_type(path.absolute_path)[0]
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self.send_header('Content-length', path.size)
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2016-07-10 04:38:49 +00:00
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if mime is not None:
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self.send_header('Content-type', mime)
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self.end_headers()
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2020-01-20 05:19:45 +00:00
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def do_POST(self):
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2020-10-10 15:44:56 +00:00
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(ctype, pdict) = cgi.parse_header(self.headers.get('content-type'))
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2020-01-20 05:19:45 +00:00
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if ctype == 'multipart/form-data':
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form = cgi.parse_multipart(self.rfile, pdict)
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elif ctype == 'application/x-www-form-urlencoded':
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length = int(self.headers.get('content-length'))
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form = urllib.parse.parse_qs(self.rfile.read(length), keep_blank_values=1)
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else:
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form = {}
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if self.path == '/password':
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attempt = form.get(b'password')[0].decode('utf-8')
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goto = form.get(b'goto')[0].decode('utf-8')
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if self.check_password(attempt):
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cookie = http.cookies.SimpleCookie()
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token = random_hex(32)
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2020-10-10 15:43:12 +00:00
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cookie[TOKEN_COOKIE_NAME] = token
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2020-01-20 05:19:45 +00:00
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self.accepted_tokens.add(token)
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self.send_response(302)
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self.send_header('Set-Cookie', cookie.output(header='', sep=''))
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self.send_header('Location', goto)
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else:
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self.send_response(401)
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2020-10-10 15:44:56 +00:00
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elif not self.check_has_password():
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self.send_response(401)
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self.end_headers()
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return
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2020-01-20 05:19:45 +00:00
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else:
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self.send_response(400)
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self.end_headers()
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2016-07-10 04:38:49 +00:00
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def send_path_validation_error(self, path):
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2019-06-12 05:29:46 +00:00
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if not allowed(path):
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2016-07-20 03:31:47 +00:00
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self.send_error(403, 'Stop that!')
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2016-07-10 04:38:49 +00:00
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return True
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return False
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2020-10-10 15:44:56 +00:00
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class SimpleServer:
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def __init__(self, port, password):
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self.port = port
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self.password = password
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self.accepted_tokens = set()
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def make_request_handler(self, *args, **kwargs):
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return RequestHandler(
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password=self.password,
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accepted_tokens=self.accepted_tokens,
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*args,
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**kwargs,
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)
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def start(self):
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server = http.server.ThreadingHTTPServer(('0.0.0.0', self.port), self.make_request_handler)
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print(f'Server starting on {self.port}')
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try:
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server.serve_forever()
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except KeyboardInterrupt:
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print('Goodbye.')
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server.shutdown()
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# HELPERS ##########################################################################################
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2016-07-20 03:31:47 +00:00
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2019-06-12 05:29:46 +00:00
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def allowed(path):
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2019-12-10 20:46:45 +00:00
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return path == ROOT_DIRECTORY or path in ROOT_DIRECTORY
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2019-06-12 05:29:46 +00:00
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2019-12-10 20:46:45 +00:00
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def atag(path, display_name=None):
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2019-06-12 05:29:46 +00:00
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path.correct_case()
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if display_name is None:
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display_name = path.basename
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if path.is_dir:
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# Folder emoji
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icon = '\U0001F4C1'
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else:
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|
|
|
# Diamond emoji
|
|
|
|
|
#icon = '\U0001F48E'
|
|
|
|
|
icon = '\U0001F381'
|
|
|
|
|
|
|
|
|
|
#print('anchor', path)
|
|
|
|
|
if display_name.endswith('.placeholder'):
|
|
|
|
|
a = '<a>{icon} {display}</a>'
|
|
|
|
|
else:
|
|
|
|
|
a = '<a href="{full}">{icon} {display}</a>'
|
|
|
|
|
a = a.format(
|
|
|
|
|
full=path_to_url(path),
|
|
|
|
|
icon=icon,
|
|
|
|
|
display=display_name,
|
|
|
|
|
)
|
|
|
|
|
return a
|
2016-07-05 07:24:08 +00:00
|
|
|
|
|
|
|
|
def generate_opendir(path):
|
2016-07-10 04:38:49 +00:00
|
|
|
#print('Listdir:', path)
|
|
|
|
|
|
|
|
|
|
# This places directories above files, each ordered alphabetically
|
2019-06-12 05:29:46 +00:00
|
|
|
try:
|
|
|
|
|
items = path.listdir()
|
|
|
|
|
except FileNotFoundError:
|
|
|
|
|
items = []
|
|
|
|
|
|
2016-07-05 07:24:08 +00:00
|
|
|
directories = []
|
|
|
|
|
files = []
|
2019-06-12 05:29:46 +00:00
|
|
|
|
|
|
|
|
for item in sorted(items, key=lambda p: p.basename.lower()):
|
|
|
|
|
if item.is_dir:
|
2016-07-05 07:24:08 +00:00
|
|
|
directories.append(item)
|
|
|
|
|
else:
|
2019-12-10 20:46:45 +00:00
|
|
|
if item.basename.lower() == 'thumbs.db':
|
|
|
|
|
continue
|
|
|
|
|
if item.basename.lower() == 'desktop.ini':
|
|
|
|
|
continue
|
2016-07-05 07:24:08 +00:00
|
|
|
files.append(item)
|
2016-07-10 04:38:49 +00:00
|
|
|
|
|
|
|
|
items = directories + files
|
2019-06-12 05:29:46 +00:00
|
|
|
table_rows = []
|
|
|
|
|
|
|
|
|
|
shaded = False
|
2016-07-20 03:31:47 +00:00
|
|
|
|
2019-06-12 05:29:46 +00:00
|
|
|
if path.absolute_path == ROOT_DIRECTORY.absolute_path:
|
2016-07-20 03:31:47 +00:00
|
|
|
# This is different than a permission check, we're seeing if they're
|
|
|
|
|
# actually at the top, in which case they don't need an up button.
|
2019-12-10 20:46:45 +00:00
|
|
|
entry = table_row(path, display_name='.', shaded=shaded)
|
|
|
|
|
table_rows.append(entry)
|
|
|
|
|
shaded = not shaded
|
2016-07-20 03:31:47 +00:00
|
|
|
else:
|
2019-06-12 05:29:46 +00:00
|
|
|
entry = table_row(path.parent, display_name='up', shaded=shaded)
|
|
|
|
|
table_rows.append(entry)
|
|
|
|
|
shaded = not shaded
|
2016-07-10 04:38:49 +00:00
|
|
|
|
|
|
|
|
for item in items:
|
2019-06-12 05:29:46 +00:00
|
|
|
entry = table_row(item, shaded=shaded)
|
|
|
|
|
table_rows.append(entry)
|
2016-07-05 07:24:08 +00:00
|
|
|
shaded = not shaded
|
2016-07-10 04:38:49 +00:00
|
|
|
|
2020-01-20 05:19:45 +00:00
|
|
|
if len(items) > 0:
|
|
|
|
|
entry = table_row(path.replace_extension('.zip'), display_name='zip', shaded=shaded)
|
|
|
|
|
shaded = not shaded
|
|
|
|
|
table_rows.append(entry)
|
2019-06-12 05:29:46 +00:00
|
|
|
|
|
|
|
|
table_rows = '\n'.join(table_rows)
|
|
|
|
|
text = OPENDIR_TEMPLATE.format(table_rows=table_rows)
|
2016-07-05 07:24:08 +00:00
|
|
|
return text
|
|
|
|
|
|
|
|
|
|
def generate_random_filename(original_filename='', length=8):
|
|
|
|
|
import random
|
2016-07-20 03:31:47 +00:00
|
|
|
bits = length * 44
|
2016-07-05 07:24:08 +00:00
|
|
|
bits = random.getrandbits(bits)
|
|
|
|
|
identifier = '{:x}'.format(bits).rjust(length, '0')
|
|
|
|
|
return identifier
|
|
|
|
|
|
2020-01-20 05:19:45 +00:00
|
|
|
def random_hex(length=12):
|
|
|
|
|
randbytes = os.urandom(math.ceil(length / 2))
|
|
|
|
|
token = ''.join('{:02x}'.format(x) for x in randbytes)
|
|
|
|
|
token = token[:length]
|
|
|
|
|
return token
|
|
|
|
|
|
2019-06-12 05:29:46 +00:00
|
|
|
def read_filebytes(path, range_min=None, range_max=None):
|
|
|
|
|
#print(path)
|
|
|
|
|
if range_min is None:
|
|
|
|
|
range_min = 0
|
|
|
|
|
|
|
|
|
|
if range_max is None:
|
|
|
|
|
range_max = path.size
|
|
|
|
|
|
|
|
|
|
range_span = range_max - range_min
|
|
|
|
|
|
|
|
|
|
#print('read span', range_min, range_max, range_span)
|
2020-09-21 01:29:36 +00:00
|
|
|
f = path.open('rb')
|
2019-06-12 05:29:46 +00:00
|
|
|
f.seek(range_min)
|
|
|
|
|
sent_amount = 0
|
|
|
|
|
while sent_amount < range_span:
|
|
|
|
|
chunk = f.read(FILE_READ_CHUNK)
|
|
|
|
|
if len(chunk) == 0:
|
|
|
|
|
break
|
|
|
|
|
|
|
|
|
|
yield chunk
|
|
|
|
|
sent_amount += len(chunk)
|
|
|
|
|
|
|
|
|
|
#print('I read', len(fr))
|
|
|
|
|
f.close()
|
|
|
|
|
|
|
|
|
|
def table_row(path, display_name=None, shaded=False):
|
|
|
|
|
form = '<tr style="background-color:#{bg}"><td style="">{anchor}</td><td>{size}</td></tr>'
|
2020-03-20 00:35:52 +00:00
|
|
|
if path.is_file:
|
|
|
|
|
size = bytestring.bytestring(path.size)
|
2019-06-12 05:29:46 +00:00
|
|
|
else:
|
2020-03-20 00:35:52 +00:00
|
|
|
size = ''
|
2019-06-12 05:29:46 +00:00
|
|
|
|
2019-12-10 20:46:45 +00:00
|
|
|
bg = 'ddd' if shaded else 'fff'
|
|
|
|
|
|
|
|
|
|
anchor = atag(path, display_name=display_name)
|
|
|
|
|
|
2019-06-12 05:29:46 +00:00
|
|
|
row = form.format(
|
|
|
|
|
bg=bg,
|
2019-12-10 20:46:45 +00:00
|
|
|
anchor=anchor,
|
2019-06-12 05:29:46 +00:00
|
|
|
size=size,
|
|
|
|
|
)
|
|
|
|
|
return row
|
|
|
|
|
|
|
|
|
|
def path_to_url(path):
|
|
|
|
|
url = path.relative_path[2:]
|
|
|
|
|
url = url.replace(os.sep, '/')
|
|
|
|
|
url = '/' + url
|
|
|
|
|
url = urllib.parse.quote(url)
|
|
|
|
|
return url
|
|
|
|
|
|
|
|
|
|
def url_to_path(path):
|
|
|
|
|
path = urllib.parse.unquote(path)
|
|
|
|
|
path = path.strip('/')
|
|
|
|
|
return pathclass.Path(path)
|
|
|
|
|
|
|
|
|
|
def zip_directory(path):
|
|
|
|
|
zipfile = zipstream.ZipFile(mode='w', compression=zipstream.ZIP_STORED)
|
|
|
|
|
|
|
|
|
|
for item in path.walk():
|
|
|
|
|
if item.is_dir:
|
|
|
|
|
continue
|
|
|
|
|
arcname = item.relative_to(path).lstrip('.' + os.sep)
|
|
|
|
|
zipfile.write(filename=item.absolute_path, arcname=arcname)
|
|
|
|
|
|
|
|
|
|
return zipfile
|
|
|
|
|
|
2020-10-10 15:44:56 +00:00
|
|
|
# COMMAND LINE ###################################################################################################
|
2016-07-05 07:24:08 +00:00
|
|
|
|
2020-01-20 05:19:45 +00:00
|
|
|
def simpleserver_argparse(args):
|
2020-10-10 15:44:56 +00:00
|
|
|
server = SimpleServer(port=args.port, password=args.password)
|
|
|
|
|
server.start()
|
2020-01-20 05:19:45 +00:00
|
|
|
|
|
|
|
|
def main(argv):
|
|
|
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
|
|
|
|
|
|
|
|
parser.add_argument('port', nargs='?', type=int, default=40000)
|
|
|
|
|
parser.add_argument('--password', dest='password', default=None)
|
|
|
|
|
parser.set_defaults(func=simpleserver_argparse)
|
|
|
|
|
|
|
|
|
|
args = parser.parse_args(argv)
|
|
|
|
|
return args.func(args)
|
|
|
|
|
|
2016-07-20 03:31:47 +00:00
|
|
|
if __name__ == '__main__':
|
2020-01-20 05:19:45 +00:00
|
|
|
raise SystemExit(main(sys.argv[1:]))
|
