Simpleserver update.
This commit is contained in:
Ethan Dalool
parent
6d3f196214
commit
0965384c7f
1 changed files with 129 additions and 19 deletions
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@ -1,4 +1,8 @@
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import argparse
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import cgi
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import http.cookies
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import http.server
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import math
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import mimetypes
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import os
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import pathlib
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@ -32,9 +36,55 @@ OPENDIR_TEMPLATE = '''
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</html>
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'''
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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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<input type="text" name="password" placeholder="password"/>
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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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ROOT_DIRECTORY = pathclass.Path(os.getcwd())
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class RequestHandler(http.server.BaseHTTPRequestHandler):
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def __init__(self, *args, passw=None, accepted_tokens=None, **kwargs):
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self.accepted_tokens = accepted_tokens
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self.password = passw
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super().__init__(*args, **kwargs)
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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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if self.headers.get('Cookie'):
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cookie = http.cookies.SimpleCookie()
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cookie.load(self.headers.get('Cookie'))
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token = cookie.get('token')
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if token and token.value in self.accepted_tokens:
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return True
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return False
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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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@ -46,6 +96,12 @@ class RequestHandler(http.server.BaseHTTPRequestHandler):
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self.wfile.write(data)
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def do_GET(self):
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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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path = url_to_path(self.path)
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if self.send_path_validation_error(path):
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return
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@ -108,7 +164,9 @@ class RequestHandler(http.server.BaseHTTPRequestHandler):
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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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headers['Content-Disposition'] = f'attachment; filename*=UTF-8\'\'{path.basename}.zip'
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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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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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@ -124,9 +182,13 @@ class RequestHandler(http.server.BaseHTTPRequestHandler):
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self.end_headers()
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self.write(response)
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return
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def do_HEAD(self):
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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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path = url_to_path(self.path)
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if self.send_path_validation_error(path):
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return
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@ -145,6 +207,34 @@ class RequestHandler(http.server.BaseHTTPRequestHandler):
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self.end_headers()
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def do_POST(self):
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ctype, pdict = cgi.parse_header(self.headers.get('content-type'))
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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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cookie['token'] = token
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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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else:
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self.send_response(400)
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self.end_headers()
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def send_path_validation_error(self, path):
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if not allowed(path):
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self.send_error(403, 'Stop that!')
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@ -152,12 +242,6 @@ class RequestHandler(http.server.BaseHTTPRequestHandler):
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return False
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# class ThreadedServer(socketserver.ThreadingMixIn, http.server.HTTPServer):
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# '''
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# Thanks root and twasbrillig http://stackoverflow.com/a/14089457
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# '''
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# pass
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def allowed(path):
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return path == ROOT_DIRECTORY or path in ROOT_DIRECTORY
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@ -229,10 +313,10 @@ def generate_opendir(path):
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table_rows.append(entry)
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shaded = not shaded
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# if len(items) > 0:
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# entry = table_row(path.replace_extension('.zip'), display_name='zip', shaded=shaded)
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# shaded = not shaded
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# table_rows.append(entry)
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if len(items) > 0:
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entry = table_row(path.replace_extension('.zip'), display_name='zip', shaded=shaded)
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shaded = not shaded
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table_rows.append(entry)
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table_rows = '\n'.join(table_rows)
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text = OPENDIR_TEMPLATE.format(table_rows=table_rows)
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@ -245,6 +329,12 @@ def generate_random_filename(original_filename='', length=8):
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identifier = '{:x}'.format(bits).rjust(length, '0')
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return identifier
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def random_hex(length=12):
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randbytes = os.urandom(math.ceil(length / 2))
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token = ''.join('{:02x}'.format(x) for x in randbytes)
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token = token[:length]
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return token
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def read_filebytes(path, range_min=None, range_max=None):
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#print(path)
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if range_min is None:
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@ -312,12 +402,16 @@ def zip_directory(path):
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return zipfile
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def main():
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try:
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port = int(sys.argv[1])
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except IndexError:
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port = 40000
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server = http.server.ThreadingHTTPServer(('', port), RequestHandler)
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def RRR(password=None):
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accepted_tokens = set()
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def R(*args, **kwargs):
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handler = RequestHandler(passw=password, accepted_tokens=accepted_tokens, *args, **kwargs)
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return handler
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return R
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def simpleserver(port, password=None):
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server = http.server.ThreadingHTTPServer(('', port), RRR(password=password))
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print(f'server starting on {port}')
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try:
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server.serve_forever()
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@ -330,5 +424,21 @@ def main():
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print('really goodbye.')
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return 0
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def simpleserver_argparse(args):
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return simpleserver(
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port=args.port,
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password=args.password,
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)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('port', nargs='?', type=int, default=40000)
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parser.add_argument('--password', dest='password', default=None)
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parser.set_defaults(func=simpleserver_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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main()
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raise SystemExit(main(sys.argv[1:]))
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