add https_adapter.py
emdee
2 years ago
parent
0198994486
commit
d11d95aafe
@ -0,0 +1,263 @@
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# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
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from requests import adapters
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from requests.utils import (
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DEFAULT_CA_BUNDLE_PATH,
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get_auth_from_url,
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get_encoding_from_headers,
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prepend_scheme_if_needed,
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select_proxy,
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urldefragauth,
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)
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from urllib3.util import parse_url
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from urllib3.util.retry import Retry
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from urllib3.util import Timeout as TimeoutSauce
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DEFAULT_POOLBLOCK = False
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DEFAULT_POOLSIZE = 10
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DEFAULT_RETRIES = 0
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DEFAULT_POOL_TIMEOUT = None
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class HTTPAdapter(adapters.HTTPAdapter):
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def __init__(self,
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pool_connections=DEFAULT_POOLSIZE,
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pool_maxsize=DEFAULT_POOLSIZE,
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max_retries=DEFAULT_RETRIES,
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pool_block=DEFAULT_POOLBLOCK
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):
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self.config = {}
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self.proxy_manager = {}
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if isinstance(max_retries, Retry):
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self.max_retries = max_retries
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else:
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max_retries = Retry.from_int(max_retries)
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self.max_retries = max_retries
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self._pool_connections = pool_connections
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self._pool_maxsize = pool_maxsize
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self._pool_block = pool_block
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self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block)
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class HTTPSAdapter(HTTPAdapter):
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"""The built-in HTTP Adapter for urllib3.
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Provides a general-case interface for Requests sessions to contact HTTP and
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HTTPS urls by implementing the Transport Adapter interface. This class will
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usually be created by the :class:`Session <Session>` class under the
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covers.
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:param pool_connections: The number of urllib3 connection pools to cache.
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:param pool_maxsize: The maximum number of connections to save in the pool.
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:param max_retries: The maximum number of retries each connection
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should attempt. Note, this applies only to failed DNS lookups, socket
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connections and connection timeouts, never to requests where data has
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made it to the server. By default, Requests does not retry failed
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connections. If you need granular control over the conditions under
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which we retry a request, import urllib3's ``Retry`` class and pass
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that instead.
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:param pool_block: Whether the connection pool should block for connections.
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Usage::
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>>> import requests
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>>> s = requests.Session()
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>>> a = requests.adapters.HTTPAdapter(max_retries=3)
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>>> s.mount('http://', a)
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"""
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def __init__(
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self,
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pool_connections=DEFAULT_POOLSIZE,
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pool_maxsize=1,
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max_retries=3,
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pool_block=DEFAULT_POOLBLOCK,
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):
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retries = Retry(connect=max_retries, read=2, redirect=0)
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adapters.HTTPAdapter.__init__(self,
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pool_connections=pool_connections,
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pool_maxsize=pool_maxsize,
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max_retries=retries,
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pool_block=pool_block)
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def get_connection(self, url, proxies=None, use_forwarding_for_https=True):
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"""Returns a urllib3 connection for the given URL. This should not be
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called from user code, and is only exposed for use when subclassing the
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:class:`HTTPAdapter <requests.adapters.HTTPAdapter>`.
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:param url: The URL to connect to.
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:param proxies: (optional) A Requests-style dictionary of proxies used on this request.
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:rtype: urllib3.ConnectionPool
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"""
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proxy = select_proxy(url, proxies)
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if proxy:
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proxy = prepend_scheme_if_needed(proxy, "http")
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proxy_url = parse_url(proxy)
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if not proxy_url.host:
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raise InvalidProxyURL(
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"Please check proxy URL. It is malformed "
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"and could be missing the host."
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)
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proxy_manager = self.proxy_manager_for(proxy)
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conn = proxy_manager.connection_from_url(url)
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else:
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# Only scheme should be lower case
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parsed = urlparse(url)
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url = parsed.geturl()
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conn = self.poolmanager.connection_from_url(url, use_forwarding_for_https=True)
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return conn
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def send(
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self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None
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):
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"""Sends PreparedRequest object. Returns Response object.
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:param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
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:param stream: (optional) Whether to stream the request content.
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:param timeout: (optional) How long to wait for the server to send
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data before giving up, as a float, or a :ref:`(connect timeout,
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read timeout) <timeouts>` tuple.
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:type timeout: float or tuple or urllib3 Timeout object
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:param verify: (optional) Either a boolean, in which case it controls whether
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we verify the server's TLS certificate, or a string, in which case it
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must be a path to a CA bundle to use
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:param cert: (optional) Any user-provided SSL certificate to be trusted.
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:param proxies: (optional) The proxies dictionary to apply to the request.
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:rtype: requests.Response
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"""
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try:
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#? _socks_options
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conn = self.get_connection(request.url, proxies, use_forwarding_for_https=True)
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except LocationValueError as e:
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raise InvalidURL(e, request=request)
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self.cert_verify(conn, request.url, verify, cert)
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url = self.request_url(request, proxies)
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self.add_headers(
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request,
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stream=stream,
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timeout=timeout,
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verify=verify,
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cert=cert,
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proxies=proxies,
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)
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chunked = not (request.body is None or "Content-Length" in request.headers)
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if isinstance(timeout, tuple):
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try:
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connect, read = timeout
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timeout = TimeoutSauce(connect=connect, read=read)
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except ValueError:
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raise ValueError(
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f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, "
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f"or a single float to set both timeouts to the same value."
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)
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elif isinstance(timeout, TimeoutSauce):
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pass
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else:
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timeout = TimeoutSauce(connect=timeout, read=timeout)
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try:
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if not chunked:
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resp = conn.urlopen(
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method=request.method,
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url=url,
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body=request.body,
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headers=request.headers,
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redirect=False,
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assert_same_host=False,
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preload_content=False,
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decode_content=False,
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retries=self.max_retries,
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timeout=timeout,
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)
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# Send the request.
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else:
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if hasattr(conn, "proxy_pool"):
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conn = conn.proxy_pool
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low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT)
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try:
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skip_host = "Host" in request.headers
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low_conn.putrequest(
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request.method,
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url,
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skip_accept_encoding=True,
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skip_host=skip_host,
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)
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for header, value in request.headers.items():
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low_conn.putheader(header, value)
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low_conn.endheaders()
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for i in request.body:
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low_conn.send(hex(len(i))[2:].encode("utf-8"))
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low_conn.send(b"\r\n")
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low_conn.send(i)
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low_conn.send(b"\r\n")
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low_conn.send(b"0\r\n\r\n")
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# Receive the response from the server
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r = low_conn.getresponse()
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resp = HTTPResponse.from_httplib(
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r,
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pool=conn,
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connection=low_conn,
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preload_content=False,
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decode_content=False,
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)
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except Exception:
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# If we hit any problems here, clean up the connection.
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# Then, raise so that we can handle the actual exception.
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low_conn.close()
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raise
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except (ProtocolError, OSError) as err:
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raise ConnectionError(err, request=request)
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except MaxRetryError as e:
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if isinstance(e.reason, ConnectTimeoutError):
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# TODO: Remove this in 3.0.0: see #2811
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if not isinstance(e.reason, NewConnectionError):
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raise ConnectTimeout(e, request=request)
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if isinstance(e.reason, ResponseError):
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raise RetryError(e, request=request)
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if isinstance(e.reason, _ProxyError):
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raise ProxyError(e, request=request)
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if isinstance(e.reason, _SSLError):
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# This branch is for urllib3 v1.22 and later.
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raise SSLError(e, request=request)
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raise ConnectionError(e, request=request)
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except ClosedPoolError as e:
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raise ConnectionError(e, request=request)
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except _ProxyError as e:
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raise ProxyError(e)
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except (_SSLError, _HTTPError) as e:
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if isinstance(e, _SSLError):
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# This branch is for urllib3 versions earlier than v1.22
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raise SSLError(e, request=request)
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elif isinstance(e, ReadTimeoutError):
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raise ReadTimeout(e, request=request)
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elif isinstance(e, _InvalidHeader):
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raise InvalidHeader(e, request=request)
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else:
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raise
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return self.build_response(request, resp)
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@ -0,0 +1,160 @@
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# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
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import os
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import sys
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import argparse
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import re
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import traceback
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import logging
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import shutil
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import json
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import socket
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import select
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from ctypes import *
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import time, contextlib
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import unittest
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from random import Random
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random = Random()
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bHAVE_TORR = shutil.which('tor-resolve')
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def bAreWeConnected():
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# FixMe: Linux only
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sFile = f"/proc/{os.getpid()}/net/route"
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if not os.path.isfile(sFile): return None
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i = 0
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for elt in open(sFile, "r").readlines():
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if elt.startswith('Iface'): continue
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if elt.startswith('lo'): continue
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i += 1
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return i > 0
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def sMapaddressResolv(target, iPort=9051):
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if not stem:
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LOG.warn('please install the stem Python package')
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return ''
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try:
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controller = oGetStemController(log_level=10)
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map_dict = {"0.0.0.0": target}
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map_ret = controller.map_address(map_dict)
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return map_ret
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except Exception as e:
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LOG.exception(e)
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return ''
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def lIntroductionPoints(target, iPort=9051):
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if stem == False: return ''
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from stem import StreamStatus
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from stem.control import EventType, Controller
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import getpass
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l = []
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try:
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controller = oGetStemController(log_level=10)
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desc = controller.get_hidden_service_descriptor(target)
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l = desc.introduction_points()
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if l:
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LOG.warn(f"{elt} NO introduction points for {target}\n")
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return l
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LOG.debug(f"{elt} len(l) introduction points for {target}")
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for introduction_point in l:
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l.append('%s:%s => %s' % (introduction_point.address,
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introduction_point.port,
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introduction_point.identifier))
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except Exception as e:
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LOG.exception(e)
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return l
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def sTorResolve(target,
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verbose=False,
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sHost='127.0.0.1',
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iPort=9050,
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SOCK_TIMEOUT_SECONDS=10.0,
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SOCK_TIMEOUT_TRIES=3,
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):
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MAX_INFO_RESPONSE_PACKET_LENGTH = 8
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seb = b"\o004\o360\o000\o000\o000\o000\o000\o001\o000"
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seb = b"\x04\xf0\x00\x00\x00\x00\x00\x01\x00"
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seb += bytes(target, 'US-ASCII') + b"\x00"
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assert len(seb) == 10+len(target), str(len(seb))+repr(seb)
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# LOG.debug(f"0 Sending {len(seb)} to The TOR proxy {seb}")
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((sHost, iPort))
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sock.settimeout(SOCK_TIMEOUT_SECONDS)
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oRet = sock.sendall(seb)
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i = 0
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data = ''
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while i < SOCK_TIMEOUT_TRIES:
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i += 1
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time.sleep(3)
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lReady = select.select([sock.fileno()], [], [],
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SOCK_TIMEOUT_SECONDS)
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if not lReady[0]: continue
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try:
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flags=socket.MSG_WAITALL
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data = sock.recv(MAX_INFO_RESPONSE_PACKET_LENGTH, flags)
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except socket.timeout:
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LOG.warn("4 The TOR proxy " \
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+repr((sHost, iPort)) \
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+" didnt reply in " + str(SOCK_TIMEOUT_SECONDS) + " sec."
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+" #" +str(i))
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except Exception as e:
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LOG.error("4 The TOR proxy " \
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+repr((sHost, iPort)) \
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+" errored with " + str(e)
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+" #" +str(i))
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sock.close()
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raise SystemExit(4)
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else:
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if len(data) > 0: break
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if len(data) == 0:
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if i > SOCK_TIMEOUT_TRIES:
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sLabel = "5 No reply #"
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else:
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sLabel = "5 No data #"
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LOG.info(sLabel +f"{i} from {sHost} {iPort}" )
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sock.close()
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raise SystemExit(5)
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assert len(data) >= 8
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packet_sf = data[1]
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if packet_sf == 90:
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# , "%d" % packet_sf
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assert f"{packet_sf}" == "90", f"packet_sf = {packet_sf}"
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return f"{data[4]}.{data[5]}.{data[6]}.{data[7]}"
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else:
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# 91
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LOG.warn(f"tor-resolve failed for {target} from {sHost} {iPort}" )
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os.system(f"tor-resolve -4 {target} > /tmp/e 2>/dev/null")
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# os.system("strace tor-resolve -4 "+target+" 2>&1|grep '^sen\|^rec'")
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return ''
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def getaddrinfo(sHost, sPort):
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# do this the explicit way = Ive seen the compact connect fail
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# >>> sHost, sPort = 'l27.0.0.1', 33446
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# >>> sock.connect((sHost, sPort))
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# socket.gaierror: [Errno -2] Name or service not known
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try:
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lElts = socket.getaddrinfo(sHost, int(sPort), socket.AF_INET)
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lElts = list(filter(lambda elt: elt[1] == socket.SOCK_DGRAM, lElts))
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assert len(lElts) == 1, repr(lElts)
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lPair = lElts[0][-1]
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assert len(lPair) == 2, repr(lPair)
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assert type(lPair[1]) == int, repr(lPair)
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except Exception as e:
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LOG.exception(e)
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return None
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return lPair
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