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o �h� � @ s8 d Z ddlmZ ddlmZ dd� Zdd� Zdd � Zd S ) zUtilites for mutual TLS.� )� exceptions)� _mtls_helperc C s t �t j�} | duS )z�Check if default client SSL credentials exists on the device. Returns: bool: indicating if the default client cert source exists. N)r �_check_dca_metadata_path�CONTEXT_AWARE_METADATA_PATH)� metadata_path� r �P/usr/local/CyberPanel/lib/python3.10/site-packages/google/auth/transport/mtls.py� has_default_client_cert_source s �r c C s t � st�d��dd� } | S )a� Get a callback which returns the default client SSL credentials. Returns: Callable[[], [bytes, bytes]]: A callback which returns the default client certificate bytes and private key bytes, both in PEM format. Raises: google.auth.exceptions.DefaultClientCertSourceError: If the default client SSL credentials don't exist or are malformed. z(Default client cert source doesn't existc S sH z t �� \} }}W ||fS tttfy# } zt�|�}||�d }~ww )N)r �get_client_cert_and_key�OSError� RuntimeError� ValueErrorr �MutualTLSChannelError)�_� cert_bytes� key_bytes� caught_exc�new_excr r r �callback1 s � ��z,default_client_cert_source.<locals>.callback�r r r )r r r r �default_client_cert_source! s � r c s" t � st�d��� �fdd�}|S )at Get a callback which returns the default encrpyted client SSL credentials. Args: cert_path (str): The cert file path. The default client certificate will be written to this file when the returned callback is called. key_path (str): The key file path. The default encrypted client key will be written to this file when the returned callback is called. Returns: Callable[[], [str, str, bytes]]: A callback which generates the default client certificate, encrpyted private key and passphrase. It writes the certificate and private key into the cert_path and key_path, and returns the cert_path, key_path and passphrase bytes. Raises: google.auth.exceptions.DefaultClientCertSourceError: If any problem occurs when loading or saving the client certificate and key. z2Default client encrypted cert source doesn't existc s� z@t jdd�\} }}}t� d�� }|�|� W d � n1 s w Y t�d�� }|�|� W d � n1 s:w Y W n tjtfyW } zt�|�}||�d }~ww � �|fS )NT)�generate_encrypted_key�wb)r �get_client_ssl_credentials�open�writer �ClientCertErrorr r )r r r �passphrase_bytes� cert_file�key_filer r �� cert_path�key_pathr r r U s( � � �� �� z6default_client_encrypted_cert_source.<locals>.callbackr )r! r" r r r r �$default_client_encrypted_cert_source= s �r# N)�__doc__� google.authr �google.auth.transportr r r r# r r r r �<module> s
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