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� �uVc @@ s� d Z d d l m Z y$ d d l m Z d d l m Z Wn e k r[ Z e e � � n Xd d l Z d d l m Z d d l m Z m Z d d l m Z m Z m Z d d l Z d d l Z d d l m Z d d l m Z d d g Z e Z i e j j e j! 6e j j" e j# 6Z$ e% e d � rQe% e j d � rQe j j& e$ e j' <n e% e d � r�e% e j d � r�e j j( e$ e j) <n y! e$ j* i e j j+ e j, 6� Wn e- k r�n Xi e j j. e j/ 6e j j0 e j1 6e j j0 e j j2 e j3 6Z4 e j5 j6 Z7 d Z8 e j Z9 e j: Z; d � Z< d � Z= d e f d � � YZ d � Z> d e? f d � � YZ@ d � ZA d d d d d d d d � Z: d S( s! SSL with SNI_-support for Python 2. Follow these instructions if you would like to verify SSL certificates in Python 2. Note, the default libraries do *not* do certificate checking; you need to do additional work to validate certificates yourself. This needs the following packages installed: * pyOpenSSL (tested with 0.13) * ndg-httpsclient (tested with 0.3.2) * pyasn1 (tested with 0.1.6) You can install them with the following command: pip install pyopenssl ndg-httpsclient pyasn1 To activate certificate checking, call :func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code before you begin making HTTP requests. This can be done in a ``sitecustomize`` module, or at any other time before your application begins using ``urllib3``, like this:: try: import urllib3.contrib.pyopenssl urllib3.contrib.pyopenssl.inject_into_urllib3() except ImportError: pass Now you can use :mod:`urllib3` as you normally would, and it will support SNI when the required modules are installed. Activating this module also has the positive side effect of disabling SSL/TLS compression in Python 2 (see `CRIME attack`_). If you want to configure the default list of supported cipher suites, you can set the ``urllib3.contrib.pyopenssl.DEFAULT_SSL_CIPHER_LIST`` variable. Module Variables ---------------- :var DEFAULT_SSL_CIPHER_LIST: The list of supported SSL/TLS cipher suites. .. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication .. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit) i ( t absolute_import( t SUBJ_ALT_NAME_SUPPORT( t SubjectAltNameN( t decoder( t univt constraint( t _fileobjectt timeoutt errori ( t connection( t utilt inject_into_urllib3t extract_from_urllib3t PROTOCOL_TLSv1_1t TLSv1_1_METHODt PROTOCOL_TLSv1_2t TLSv1_2_METHODi @ c C@ s t t _ t t _ d S( s7 Monkey-patch urllib3 with PyOpenSSL-backed SSL-support.N( t ssl_wrap_socketR t HAS_SNIR ( ( ( sZ /opt/imh-python/lib/python2.7/site-packages/requests/packages/urllib3/contrib/pyopenssl.pyR f s c C@ s t t _ t t _ d S( s4 Undo monkey-patching by :func:`inject_into_urllib3`.N( t orig_connection_ssl_wrap_socketR R t orig_util_HAS_SNIR R ( ( ( sZ /opt/imh-python/lib/python2.7/site-packages/requests/packages/urllib3/contrib/pyopenssl.pyR m s R c B@ s* e Z d Z e j j e j d d � Z RS( s0 ASN.1 implementation for subjectAltNames supporti i ( t __name__t __module__t __doc__R t SequenceOft sizeSpecR t ValueSizeConstraint( ( ( sZ /opt/imh-python/lib/python2.7/site-packages/requests/packages/urllib3/contrib/pyopenssl.pyR u s c C@ s g } t s | St � } x� t | j � � D]� } | j | � } | j � } | d k r_ q, n | j � } t j | d | �} x� | D]x } t | t � s� q� n xZ t t | � � D]F } | j | � } | j � d k r� q� n | j t | j � � � q� Wq� Wq, W| S( Nt subjectAltNamet asn1Spect dNSName( R R t ranget get_extension_countt get_extensiont get_short_namet get_datat der_decodert decodet isinstancet lent getComponentByPositiont getNamet appendt strt getComponent( t peer_certt dns_namet general_namest it extt ext_namet ext_datt decoded_datt namet entryt component( ( sZ /opt/imh-python/lib/python2.7/site-packages/requests/packages/urllib3/contrib/pyopenssl.pyt get_subj_alt_name� s* %t WrappedSocketc B@ s� e Z d Z e d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z e d � Z d � Z d � Z RS( s� API-compatibility wrapper for Python OpenSSL's Connection-class. 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