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o �hM � @ s( U d Z ddlmZ ddlZddlmZ zddlmZ W n e y, G dd� de �ZY nw ddl Z ddl Z ddl Z ddlmZ dd lmZ dd lmZ d d lmZ e jrZdd lmZ ddgZejjejj ejj ejj e j ejj iZ de!d< e"e d�r�e"ejd�r�ejj#e e j$< e"e d�r�e"ejd�r�ejj%e e j&< e j'ejj(e j)ejj*e j+ejj*ejj, iZ-dd� e-�.� D �Z/e0ejdd�e0ejdd�B Z1de!d< e0ejd d�Z2de!d < e0ejd d�Z3de!d < e0ejd d�Z4de!d!< e0ejd"d�Z5de!d#< e j6j7e1e j6j8e1e j6j9e1e2B e j6j:e1e2B e3B e j6j;e1e2B e3B e4B e j6j<e1e2B e3B e4B iZ=de!d$< e j6j7e1e2B e3B e4B e5B e j6j8e1e3B e4B e5B e j6j9e1e4B e5B e j6j:e1e5B e j6j;e1e j6j<e1iZ>de!d%< d&Z?ejj@ZAe �BeC�ZDdDd)d�ZEdDd*d�ZFdDd+d,�ZGdEd0d1�ZHdFd5d6�ZIG d7d8� d8�ZJejKeJ_KG d9d:� d:�ZLdGdBdC�ZMdS )Ha� Module for using pyOpenSSL as a TLS backend. This module was relevant before the standard library ``ssl`` module supported SNI, but now that we've dropped support for Python 2.7 all relevant Python versions support SNI so **this module is no longer recommended**. This needs the following packages installed: * `pyOpenSSL`_ (tested with 16.0.0) * `cryptography`_ (minimum 1.3.4, from pyopenssl) * `idna`_ (minimum 2.0) However, pyOpenSSL depends on cryptography, so while we use all three directly here we end up having relatively few packages required. You can install them with the following command: .. code-block:: bash $ python -m pip install pyopenssl cryptography idna 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: .. code-block:: python try: import urllib3.contrib.pyopenssl urllib3.contrib.pyopenssl.inject_into_urllib3() except ImportError: pass .. _pyopenssl: https://www.pyopenssl.org .. _cryptography: https://cryptography.io .. _idna: https://github.com/kjd/idna � )� annotationsN)�x509)�UnsupportedExtensionc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �L/usr/local/CyberCP/lib/python3.10/site-packages/urllib3/contrib/pyopenssl.pyr 2 s r )�BytesIO)�socket)�timeout� )�util��X509�inject_into_urllib3�extract_from_urllib3zdict[int, int]�_openssl_versions�PROTOCOL_TLSv1_1�TLSv1_1_METHOD�PROTOCOL_TLSv1_2�TLSv1_2_METHODc C s i | ]\}}||�qS r r )�.0�k�vr r r � <dictcomp>Y s r � OP_NO_SSLv2� OP_NO_SSLv3�int�_OP_NO_SSLv2_OR_SSLv3� OP_NO_TLSv1� _OP_NO_TLSv1� OP_NO_TLSv1_1�_OP_NO_TLSv1_1� OP_NO_TLSv1_2�_OP_NO_TLSv1_2� OP_NO_TLSv1_3�_OP_NO_TLSv1_3� _openssl_to_ssl_minimum_version� _openssl_to_ssl_maximum_versioni @ �return�Nonec C s& t � tt_ttj_dt_dtj_dS )z7Monkey-patch urllib3 with PyOpenSSL-backed SSL-support.TN)�_validate_dependencies_met�PyOpenSSLContextr � SSLContext�ssl_� IS_PYOPENSSLr r r r r � s c C s t t_t tj_dt_dtj_dS )z4Undo monkey-patching by :func:`inject_into_urllib3`.FN)�orig_util_SSLContextr r. r/ r0 r r r r r � s c C sR ddl m} t| dd�du rtd��ddlm} |� }t|dd�du r'td��dS ) z{ Verifies that PyOpenSSL's package-level dependencies have been met. Throws `ImportError` if they are not met. r )� Extensions�get_extension_for_classNzX'cryptography' module missing required functionality. Try upgrading to v1.3.4 or newer.r �_x509zS'pyOpenSSL' module missing required functionality. Try upgrading to v0.14 or newer.)� cryptography.x509.extensionsr2 �getattr� ImportError�OpenSSL.cryptor )r2 r r r r r r, � s � ��r, �name�str� str | Nonec C s4 d dd�}d| v r | S || �}|du rdS |� d �S ) a% Converts a dNSName SubjectAlternativeName field to the form used by the standard library on the given Python version. Cryptography produces a dNSName as a unicode string that was idna-decoded from ASCII bytes. We need to idna-encode that string to get it back, and then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8). If the name cannot be idna-encoded then we return None signalling that the name given should be skipped. r9 r: r* � bytes | Nonec S sl ddl }z%dD ] }| �|�r#| t|�d� } |�d�|�| � W S q|�| �W S |jjy5 Y dS w )z� Borrowed wholesale from the Python Cryptography Project. It turns out that we can't just safely call `idna.encode`: it can explode for wildcard names. This avoids that problem. r N)z*.�.�ascii)�idna� startswith�len�encode�core� IDNAError)r9 r? �prefixr r r � idna_encode� s � �z'_dnsname_to_stdlib.<locals>.idna_encode�:N�utf-8)r9 r: r* r< )�decode)r9 rF � encoded_namer r r �_dnsname_to_stdlib� s rK � peer_certr �list[tuple[str, str]]c C s� | � � }z |j�tj�j}W n+ tjy g Y S tjttj t fy9 } zt � d|� g W Y d}~S d}~ww dd� t t|�tj��D �}|�dd� |�tj�D �� |S )zU Given an PyOpenSSL certificate, provides all the subject alternative names. z�A problem was encountered with the certificate that prevented urllib3 from finding the SubjectAlternativeName field. This can affect certificate validation. The error was %sNc S s g | ] }|d urd|f�qS )N�DNSr �r r9 r r r � <listcomp> s �z%get_subj_alt_name.<locals>.<listcomp>c s s � | ] }d t |�fV qdS )z IP AddressN)r: rO r r r � <genexpr> s � �z$get_subj_alt_name.<locals>.<genexpr>)�to_cryptography� extensionsr3 r �SubjectAlternativeName�value�ExtensionNotFound�DuplicateExtensionr �UnsupportedGeneralNameType� UnicodeError�log�warning�maprK �get_values_for_type�DNSName�extend� IPAddress)rL �cert�ext�e�namesr r r �get_subj_alt_name� s2 ����� �re c @ s� e Zd ZdZ d6d7d d �Zd8dd�Zd9dd�Zd:dd�Zd;dd�Zd<d d �Z d=d d �Z d>d!d"�Z d?d$d%�Z d9d&d'�Z d9d(d)�Z *d@dAd-d.�ZdBd0d1�ZdCd3d4�Zd5S )D� WrappedSocketz@API-compatibility wrapper for Python OpenSSL's Connection-class.T� connection�OpenSSL.SSL.Connectionr � socket_cls�suppress_ragged_eofs�boolr* r+ c C s" || _ || _|| _d| _d| _d S �Nr F)rg r rj �_io_refs�_closed)�selfrg r rj r r r �__init__ s zWrappedSocket.__init__r c C � | j �� S �N)r �fileno�ro r r r rs ! � zWrappedSocket.filenoc C s. | j dkr | j d8 _ | jr| �� d S d S )Nr � )rm rn �closert r r r �_decref_socketios% s �z WrappedSocket._decref_socketios�args� typing.Any�kwargs�bytesc O s z | j j|i |��}W |S tjjy4 } z| jr%|jdkr%W Y d }~dS t|jd t|��|�d }~w tjj yI | j � � tjj krHY dS � tjj ys } z t �| j| j�� �satd�|�| j|i |��W Y d }~S d }~w tjjy� } z t�d|���|�d }~ww )N����zUnexpected EOF� r � The read operation timed out� read error: )rg �recv�OpenSSL�SSL� SysCallErrorrj ry �OSErrorr: �ZeroReturnError� get_shutdown�RECEIVED_SHUTDOWN� WantReadErrorr � wait_for_readr � gettimeoutr �Error�ssl�SSLError)ro ry r{ �datarc r r r r� + s* �� ���zWrappedSocket.recvc O s z | j j|i |��W S tjjy2 } z| jr#|jdkr#W Y d }~dS t|jd t|��|�d }~w tjj yG | j � � tjj krFY dS � tjj yq } z t �| j| j�� �s_td�|�| j|i |��W Y d }~S d }~w tjjy� } z t�d|���|�d }~ww )Nr} r r� r� )rg � recv_intor� r� r� rj ry r� r: r� r� r� r� r r� r r� r r� r� r� )ro ry r{ rc r r r r� D s( � ���zWrappedSocket.recv_intor �floatc C s | j �|�S rr )r � settimeout)ro r r r r r� [ s zWrappedSocket.settimeoutr� c C s� z| j �|�W S tjjy* } zt�| j| j�� �s t � |�W Y d }~q d }~w tjj yB } z t |j d t |��|�d }~ww �NTr )rg �sendr� r� �WantWriteErrorr �wait_for_writer r� r r� r� ry r: )ro r� rc r r r �_send_until_done^ s ���z WrappedSocket._send_until_donec C sB d}|t |�k r | �|||t � �}||7 }|t |�k sd S d S �Nr )rA r� �SSL_WRITE_BLOCKSIZE)ro r� � total_sent�sentr r r �sendalli s ��zWrappedSocket.sendall�howc C s@ z| j �� W d S tjjy } z t�d|���|�d }~ww )Nzshutdown error: )rg �shutdownr� r� r� r� r� )ro r� rc r r r r� q s ��zWrappedSocket.shutdownc C s d| _ | jdkr| �� d S d S r� )rn rm � _real_closert r r r rw w s �zWrappedSocket.closec C s& z| j �� W S tjjy Y d S w rr )rg rw r� r� r� rt r r r r� | s �zWrappedSocket._real_closeF� binary_form�"dict[str, list[typing.Any]] | Nonec C sD | j �� }|s |S |rtj�tjj|�S d|�� jffft|�d�S )N� commonName)�subject�subjectAltName) rg �get_peer_certificater� �crypto�dump_certificate� FILETYPE_ASN1� get_subject�CNre )ro r� r r r r � getpeercert� s �zWrappedSocket.getpeercertr: c C rq rr )rg �get_protocol_version_namert r r r �version� ru zWrappedSocket.versionr; c C s | j �� }|r |�� S d S rr )rg �get_alpn_proto_negotiatedrI )ro � alpn_protor r r �selected_alpn_protocol� s z$WrappedSocket.selected_alpn_protocolN)T)rg rh r ri rj rk r* r+ �r* r �r* r+ )ry rz r{ rz r* r| )ry rz r{ rz r* r )r r� r* r+ )r� r| r* r )r� r| r* r+ )r� r r* r+ )F)r� rk r* r� )r* r: )r* r; )r r r �__doc__rp rs rx r� r� r� r� r� r� rw r� r� r� r� r r r r rf s$ � � rf c @ s e Zd ZdZdBdd�ZedCdd ��ZejdDd d ��ZedCd d ��ZejdDdd ��ZedCdd��Z e jdEdd��Z dFdd�Z dGdd�Z dHdId d �Z dJdKd%d&�Z dLd)d*�Z + , , dMdNd6d7�ZdFd8d9�ZedCd:d;��ZejdOd=d;��ZedCd>d?��ZejdPdAd?��ZdS )Qr- z� I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible for translating the interface of the standard library ``SSLContext`` object to calls into PyOpenSSL. �protocolr r* r+ c C sF t | | _tj�| j�| _d| _d| _tj j | _ tj j | _ tj| _d S rl )r r� r� r� �Context�_ctx�_options�check_hostnamer� � TLSVersion�MINIMUM_SUPPORTED�_minimum_version�MAXIMUM_SUPPORTED�_maximum_version�VERIFY_X509_TRUSTED_FIRST� _verify_flags)ro r� r r r rp � s zPyOpenSSLContext.__init__c C � | j S rr )r� rt r r r �options� � zPyOpenSSLContext.optionsrU c C � || _ | �� d S rr )r� �_set_ctx_options�ro rU r r r r� � � c C r� rr )r� rt r r r � verify_flags� r� z PyOpenSSLContext.verify_flagsc C s || _ | j�� �| j � d S rr )r� r� �get_cert_store� set_flagsr� r r r r� � s c C s t | j�� S rr )�_openssl_to_stdlib_verifyr� �get_verify_modert r r r � verify_mode� s z PyOpenSSLContext.verify_mode�ssl.VerifyModec C s | j �t| t� d S rr )r� � set_verify�_stdlib_to_openssl_verify�_verify_callbackr� r r r r� � s c C s | j �� d S rr )r� �set_default_verify_pathsrt r r r r� � s z)PyOpenSSLContext.set_default_verify_paths�ciphers� bytes | strc C s$ t |t�r |�d�}| j�|� d S )NrH )� isinstancer: rB r� �set_cipher_list)ro r� r r r � set_ciphers� s z PyOpenSSLContext.set_ciphersN�cafiler; �capath�cadatar< c C s� |d ur |� d�}|d ur|� d�}z| j�||� |d ur)| j�t|�� W d S W d S tjjyB } z t�d|���|�d }~ww )NrH z%unable to load trusted certificates: ) rB r� �load_verify_locationsr r� r� r� r� r� )ro r� r� r� rc r r r r� � s ���z&PyOpenSSLContext.load_verify_locations�certfiler: �keyfile�passwordc s� z)| j �|� � d ur t� t�s� �d�� | j �� fdd�� | j �|p%|� W d S tjj y@ } z t � d|���|�d }~ww )NrH c s � S rr r )�_�r� r r �<lambda>� s z2PyOpenSSLContext.load_cert_chain.<locals>.<lambda>z"Unable to load certificate chain: ) r� �use_certificate_chain_filer� r| rB � set_passwd_cb�use_privatekey_filer� r� r� r� r� )ro r� r� r� rc r r� r �load_cert_chain� s ��z PyOpenSSLContext.load_cert_chain� protocols�list[bytes | str]c C s dd� |D �}| j �|�S )Nc S s g | ] }t j �|d ��qS )r> )r �to_bytes)r �pr r r rP � s z7PyOpenSSLContext.set_alpn_protocols.<locals>.<listcomp>)r� �set_alpn_protos)ro r� r r r �set_alpn_protocols� s z#PyOpenSSLContext.set_alpn_protocolsFT�sockri � server_siderk �do_handshake_on_connectrj �server_hostname�bytes | str | Nonerf c C s� t j�| j|�}|r tj�|�s t|t�r|� d�}|� |� |� � z|� � W n7 t jj yK } zt�||�� �sAtd�|�W Y d }~q#d }~w t jjya } z t�d|���|�d }~ww t||�S )NrH Tzselect timed outzbad handshake: )r� r� � Connectionr� r r/ � is_ipaddressr� r: rB �set_tlsext_host_name�set_connect_state� do_handshaker� r� r� r r� r� r� rf )ro r� r� r� rj r� �cnxrc r r r � wrap_socket� s( ��� z PyOpenSSLContext.wrap_socketc C s& | j �| jt| j B t| j B � d S rr )r� � set_optionsr� r( r� r) r� rt r r r r� s ���z!PyOpenSSLContext._set_ctx_optionsc C r� rr )r� rt r r r �minimum_version r� z PyOpenSSLContext.minimum_versionr� c C r� rr )r� r� )ro r� r r r r� r� c C r� rr )r� rt r r r �maximum_version# r� z PyOpenSSLContext.maximum_versionr� c C r� rr )r� r� )ro r� r r r r� ' r� )r� r r* r+ r� )rU r r* r+ )rU r� r* r+ r� )r� r� r* r+ )NNN)r� r; r� r; r� r< r* r+ )NN)r� r: r� r; r� r; r* r+ )r� r� r* r+ )FTTN) r� ri r� rk r� rk rj rk r� r� r* rf )r� r r* r+ )r� r r* r+ )r r r r� rp �propertyr� �setterr� r� r� r� r� r� r� r� r� r� r� r r r r r- � sN � � � r- r� rh r �err_no� err_depth� return_coderk c C s |dkS r� r )r� r r� r� r� r r r r� - s r� r� )r9 r: r* r; )rL r r* rM ) r� rh r r r� r r� r r� r r* rk )Nr� � __future__r � OpenSSL.SSLr� � cryptographyr �cryptography.x509r r7 � Exception�loggingr� �typing�ior r ri r � r � TYPE_CHECKINGr8 r �__all__r/ � PROTOCOL_TLSr� � SSLv23_METHOD�PROTOCOL_TLS_CLIENT�PROTOCOL_TLSv1� TLSv1_METHODr �__annotations__�hasattrr r r r � CERT_NONE� VERIFY_NONE� CERT_OPTIONAL� VERIFY_PEER� CERT_REQUIRED�VERIFY_FAIL_IF_NO_PEER_CERTr� �itemsr� r6 r r! r# r% r' r� r� �TLSv1�TLSv1_1�TLSv1_2�TLSv1_3r� r( r) r� r. r1 � getLoggerr rZ r r r, rK re rf �makefiler- r� r r r r �<module> s� ( � � ��� � ���� � )0
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