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The only requirement is that the ssl_context provides the 'wrap_bio' methods. �wrap_biozXTLS in TLS requires SSLContext.wrap_bio() which isn't available on non-native SSLContextN)�hasattrr )r � r �@/opt/gsutil/third_party/urllib3/src/urllib3/util/ssltransport.py�$_validate_ssl_context_for_tls_in_tls! s �z1SSLTransport._validate_ssl_context_for_tls_in_tlsNTz socket.socketz str | None�bool)�socketr �server_hostname�suppress_ragged_eofsr c C sH t �� | _t �� | _|| _|| _|j| j| j|d�| _| �| jj � dS )zV Create an SSLTransport around socket using the provided ssl_context. )r N) �ssl� MemoryBIO�incoming�outgoingr r r �sslobj� _ssl_io_loop� do_handshake)�selfr r r r r r r �__init__1 s �zSSLTransport.__init__r )r c C s | S �Nr �r r r r � __enter__H s zSSLTransport.__enter__z typing.Any)�_r c G s | � � d S r )�close)r r# r r r �__exit__K s zSSLTransport.__exit__�intc C s | j �� S r )r �filenor! r r r r' N s zSSLTransport.fileno� ztyping.Any | Nonez int | bytes)�len�bufferr c C s | � ||�S r )�_wrap_ssl_read)r r) r* r r r �readQ s zSSLTransport.readr )�buflen�flagsr c C s |dkrt d��| �|�S )Nr z+non-zero flags not allowed in calls to recv)� ValueErrorr+ )r r- r. r r r �recvT s zSSLTransport.recv� _WriteBufferz int | NonezNone | int | bytes)r* �nbytesr. r c C s, |dkrt d��|d u r t|�}| �||�S )Nr z0non-zero flags not allowed in calls to recv_into)r/ r) r, )r r* r2 r. r r r � recv_intoY s zSSLTransport.recv_into�bytes)�datar. r c C s� |dkrt d��d}t|��f}|�d��<}t|�}||k rV| �||d � �}||7 }q2W d � n1 sj0 Y W d � n1 s�0 Y d S )Nr z.non-zero flags not allowed in calls to sendall�B)r/ � memoryview�castr) �send)r r5 r. �count�view� byte_view�amount�vr r r �sendalle s zSSLTransport.sendallc C s |dkrt d��| �| jj|�S )Nr z+non-zero flags not allowed in calls to send)r/ r r �write)r r5 r. r r r r9 o s zSSLTransport.send)�encoding�errors�newline�strz1typing.BinaryIO | typing.TextIO | socket.SocketIO)�mode� bufferingrA rB rC r c C s t |�h d�ks td|�d���d|v }d|v p4| }|sB|sBJ �d|v }d} |rZ| d7 } |rf| d7 } t�| | �} | j jd7 _|d u r�d }|d k r�tj}|d kr�|s�td ��| S |r�|r�t�| | |�} n&|r�t�| |�} n|s�J �t� | |�} |r�| S t� | |||�} || _ | S ) a Python's httpclient uses makefile and buffered io when reading HTTP messages and we need to support it. This is unfortunately a copy and paste of socket.py makefile with small changes to point to the socket directly. > �b�r�wz invalid mode z (only r, w, b allowed)rI rH rG � r N���r z!unbuffered streams must be binary) �setr/ r �SocketIO�_io_refs�io�DEFAULT_BUFFER_SIZE�BufferedRWPair�BufferedReader�BufferedWriter� TextIOWrapperrE ) r rE rF rA rB rC �writing�reading�binary�rawmode�rawr* �textr r r �makefilet s@ zSSLTransport.makefilec C s | � | jj� d S r )r r �unwrapr! r r r r\ � s zSSLTransport.unwrapc C s | j �� d S r )r r$ r! r r r r$ � s zSSLTransport.close.ztyping.Literal[False]z _TYPE_PEER_CERT_RET_DICT | None)� binary_formr c C s d S r r �r r] r r r � getpeercert� s zSSLTransport.getpeercertztyping.Literal[True]z bytes | Nonec C s d S r r r^ r r r r_ � s Fr c C s | j �|�S r )r r_ r^ r r r r_ � s c C s | j �� S r )r �versionr! r r r r` � s zSSLTransport.versionztuple[str, str, int] | Nonec C s | j �� S r )r �cipherr! r r r ra � s zSSLTransport.cipherc C s | j �� S r )r �selected_alpn_protocolr! r r r rb � s z#SSLTransport.selected_alpn_protocolc C s | j �� S r )r �selected_npn_protocolr! r r r rc � s z"SSLTransport.selected_npn_protocolz!list[tuple[str, str, int]] | Nonec C s | j �� S r )r �shared_ciphersr! r r r rd � s zSSLTransport.shared_ciphersc C s | j �� S r )r � compressionr! r r r re � s zSSLTransport.compressionz float | None)�valuer c C s | j �|� d S r )r � settimeout)r rf r r r rg � s zSSLTransport.settimeoutc C s | j �� S r )r � gettimeoutr! r r r rh � s zSSLTransport.gettimeoutc C s | j �� d S r )r �_decref_socketiosr! r r r ri � s z SSLTransport._decref_socketioszbytearray | Nonec C sb z| � | jj||�W S tjy\ } z.|jtjkrF| jrFW Y d }~dS � W Y d }~n d }~0 0 d S )Nr )r r r, r �SSLError�errno� SSL_ERROR_EOFr )r r) r* �er r r r+ � s zSSLTransport._wrap_ssl_readztyping.Callable[[], None])�funcr c C s d S r r )r rn r r r r � s zSSLTransport._ssl_io_loopz typing.Callable[[bytes], int])rn �arg1r c C s d S r r )r rn ro r r r r � s z/typing.Callable[[int, bytearray | None], bytes])rn ro �arg2r c C s d S r r )r rn ro rp r r r r � s z"typing.Callable[..., _ReturnValue]zNone | bytes | intr c C s� d}d}|r�d}z8|du r*|du r*|� }n |du r<||�}n |||�}W nB t jy� } z(|jt jt jfvrp|�|j}W Y d}~n d}~0 0 | j�� }| j�|� |du r�d}q|t jkr| j� t �}|r�| j � |� q| j � � qt�t|�S )z>Performs an I/O loop between incoming/outgoing and the socket.TNF)r rj rk �SSL_ERROR_WANT_READ�SSL_ERROR_WANT_WRITEr r, r r? r0 � SSL_BLOCKSIZEr r@ � write_eof�typingr8 r ) r rn ro rp Z should_loop�retrk rm �bufr r r r � s0 )NT)r( N)r( r )Nr )r )r )N).)F)N)NN) �__name__� __module__� __qualname__�__doc__� staticmethodr r r" r% r' r, r0 r3 r? r9 r[ r\ r$ ru �overloadr_ r` ra rb rc rd re rg rh ri r+ r r r r r r sb � � �� 4 � �r )� __future__r rO r r ru � exceptionsr � TYPE_CHECKINGZtyping_extensionsr �ssl_r r �Union� bytearrayr7 r1 �TypeVarr rs r r r r r �<module> s
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