o Fh@s8dZddlmZddlmZddZddZdd Zd S) zUtilites for mutual TLS.) exceptions) _mtls_helpercCsttj}|duS)zCheck if default client SSL credentials exists on the device. Returns: bool: indicating if the default client cert source exists. N)r_check_dca_metadata_pathCONTEXT_AWARE_METADATA_PATH) metadata_pathrS/var/www/html/loop/nvenv/lib/python3.10/site-packages/google/auth/transport/mtls.pyhas_default_client_cert_sourcesr cCststddd}|S)aGet 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 SsHz t\}}}W||fStttfy#}zt|}||d}~ww)N)rget_client_cert_and_keyOSError RuntimeError ValueErrorrMutualTLSChannelError)_ cert_bytes key_bytes caught_excnew_excrrrcallback1s z,default_client_cert_source..callbackr rr)rrrrdefault_client_cert_source!s   rcs"tstdfdd}|S)atGet 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 sz@tjdd\}}}}td }||Wdn1s wYtd }||Wdn1s:wYWntjtfyW}zt|}||d}~ww|fS)NT)generate_encrypted_keywb)rget_client_ssl_credentialsopenwriterClientCertErrorr r)rrrpassphrase_bytes cert_filekey_filerr cert_pathkey_pathrrrUs(       z6default_client_encrypted_cert_source..callbackr)r!r"rrr r$default_client_encrypted_cert_source=s r#N)__doc__ google.authrgoogle.auth.transportrr rr#rrrrs