/usr/lib/python3/dist-packages/autobahn/rawsocket/util.py is in python3-autobahn 17.10.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | ###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Crossbar.io Technologies GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from __future__ import absolute_import
import six
from autobahn.util import public
# The Python urlparse module currently does not contain the rs/rss
# schemes, so we add those dynamically (which is a hack of course).
# Since the urllib from six.moves does not seem to expose the stuff
# we monkey patch here, we do it manually.
#
# Important: if you change this stuff (you shouldn't), make sure
# _all_ our unit tests for WS URLs succeed
#
if not six.PY3:
# Python 2
import urlparse
else:
# Python 3
from urllib import parse as urlparse
wsschemes = ["rs", "rss"]
urlparse.uses_relative.extend(wsschemes)
urlparse.uses_netloc.extend(wsschemes)
urlparse.uses_params.extend(wsschemes)
urlparse.uses_query.extend(wsschemes)
urlparse.uses_fragment.extend(wsschemes)
__all__ = (
"create_url",
"parse_url",
)
@public
def create_url(hostname, port=None, isSecure=False):
"""
Create a RawSocket URL from components.
:param hostname: RawSocket server hostname.
:type hostname: str
:param port: RawSocket service port or None (to select default
ports ``80`` or ``443`` depending on ``isSecure``.
:type port: int
:param isSecure: Set ``True`` for secure RawSocket (``rss`` scheme).
:type isSecure: bool
:returns: Constructed RawSocket URL.
:rtype: str
"""
if port is not None:
netloc = "%s:%d" % (hostname, port)
else:
if isSecure:
netloc = u"{}:443".format(hostname)
else:
netloc = u"{}:80".format(hostname)
if isSecure:
scheme = u"rss"
else:
scheme = u"rs"
return u"{}://{}".format(scheme, netloc)
@public
def parse_url(url):
"""
Parses as RawSocket URL into it's components and returns a tuple (isSecure, host, port).
- ``isSecure`` is a flag which is ``True`` for ``rss`` URLs.
- ``host`` is the hostname or IP from the URL.
- ``port`` is the port from the URL or standard port derived from
scheme (``rs`` => ``80``, ``rss`` => ``443``).
:param url: A valid RawSocket URL, i.e. ``rs://localhost:9000``
:type url: str
:returns: A tuple ``(isSecure, host, port)``.
:rtype: tuple
"""
parsed = urlparse.urlparse(url)
if parsed.scheme not in ["rs", "rss"]:
raise Exception("invalid RawSocket URL: protocol scheme '{}' is not for RawSocket".format(parsed.scheme))
if not parsed.hostname or parsed.hostname == "":
raise Exception("invalid RawSocket URL: missing hostname")
if parsed.path is not None and parsed.path != "":
raise Exception("invalid RawSocket URL: non-empty path '{}'".format(parsed.path))
if parsed.query is not None and parsed.query != "":
raise Exception("invalid RawSocket URL: non-empty query '{}'".format(parsed.query))
if parsed.fragment is not None and parsed.fragment != "":
raise Exception("invalid RawSocket URL: non-empty fragment '{}'".format(parsed.fragment))
if parsed.port is None or parsed.port == "":
if parsed.scheme == "rs":
port = 80
else:
port = 443
else:
port = int(parsed.port)
if port < 1 or port > 65535:
raise Exception("invalid port {}".format(port))
return parsed.scheme == "rss", parsed.hostname, port
|