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Diffstat (limited to 'game/python-extra/websock/_url.py')
| -rw-r--r-- | game/python-extra/websock/_url.py | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/game/python-extra/websock/_url.py b/game/python-extra/websock/_url.py deleted file mode 100644 index a394fc3..0000000 --- a/game/python-extra/websock/_url.py +++ /dev/null @@ -1,164 +0,0 @@ -""" -websocket - WebSocket client library for Python - -Copyright (C) 2010 Hiroki Ohtani(liris) - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1335 USA - -""" - -import os -import socket -import struct - -from six.moves.urllib.parse import urlparse - - -__all__ = ["parse_url", "get_proxy_info"] - - -def parse_url(url): - """ - parse url and the result is tuple of - (hostname, port, resource path and the flag of secure mode) - - url: url string. - """ - if ":" not in url: - raise ValueError("url is invalid") - - scheme, url = url.split(":", 1) - - parsed = urlparse(url, scheme="ws") - if parsed.hostname: - hostname = parsed.hostname - else: - raise ValueError("hostname is invalid") - port = 0 - if parsed.port: - port = parsed.port - - is_secure = False - if scheme == "ws": - if not port: - port = 80 - elif scheme == "wss": - is_secure = True - if not port: - port = 443 - else: - raise ValueError("scheme %s is invalid" % scheme) - - if parsed.path: - resource = parsed.path - else: - resource = "/" - - if parsed.query: - resource += "?" + parsed.query - - return hostname, port, resource, is_secure - - -DEFAULT_NO_PROXY_HOST = ["localhost", "127.0.0.1"] - - -def _is_ip_address(addr): - try: - socket.inet_aton(addr) - except socket.error: - return False - else: - return True - - -def _is_subnet_address(hostname): - try: - addr, netmask = hostname.split("/") - return _is_ip_address(addr) and 0 <= int(netmask) < 32 - except ValueError: - return False - - -def _is_address_in_network(ip, net): - ipaddr = struct.unpack('I', socket.inet_aton(ip))[0] - netaddr, bits = net.split('/') - netmask = struct.unpack('I', socket.inet_aton(netaddr))[0] & ((2 << int(bits) - 1) - 1) - return ipaddr & netmask == netmask - - -def _is_no_proxy_host(hostname, no_proxy): - if not no_proxy: - v = os.environ.get("no_proxy", "").replace(" ", "") - if v: - no_proxy = v.split(",") - if not no_proxy: - no_proxy = DEFAULT_NO_PROXY_HOST - - if hostname in no_proxy: - return True - elif _is_ip_address(hostname): - return any([_is_address_in_network(hostname, subnet) for subnet in no_proxy if _is_subnet_address(subnet)]) - - return False - - -def get_proxy_info( - hostname, is_secure, proxy_host=None, proxy_port=0, proxy_auth=None, - no_proxy=None, proxy_type='http'): - """ - try to retrieve proxy host and port from environment - if not provided in options. - result is (proxy_host, proxy_port, proxy_auth). - proxy_auth is tuple of username and password - of proxy authentication information. - - hostname: websocket server name. - - is_secure: is the connection secure? (wss) - looks for "https_proxy" in env - before falling back to "http_proxy" - - options: "http_proxy_host" - http proxy host name. - "http_proxy_port" - http proxy port. - "http_no_proxy" - host names, which doesn't use proxy. - "http_proxy_auth" - http proxy auth information. - tuple of username and password. - default is None - "proxy_type" - if set to "socks5" PySocks wrapper - will be used in place of a http proxy. - default is "http" - """ - if _is_no_proxy_host(hostname, no_proxy): - return None, 0, None - - if proxy_host: - port = proxy_port - auth = proxy_auth - return proxy_host, port, auth - - env_keys = ["http_proxy"] - if is_secure: - env_keys.insert(0, "https_proxy") - - for key in env_keys: - value = os.environ.get(key, None) - if value: - proxy = urlparse(value) - auth = (proxy.username, proxy.password) if proxy.username else None - return proxy.hostname, proxy.port, auth - - return None, 0, None |