U c @s^ddlZddlmZddlmZmZddlmZeddGdddZGd d d ej Z dS) N) dataclass)DictType)miscT)frozenc@s"eZdZUdZeed<eed<dS)SerialisedCredentialz* A credential in serialised form. credential_typedataN)__name__ __module__ __qualname____doc__str__annotations__bytesrrD/tmp/pip-unpacked-wheel-0kb_yl26/pyhanko/pdf_utils/crypt/cred_ser.pyr s rc@seZdZUdZeZeeedfe d<e edddZ e eddddZ edd d Ze ed d d Ze eddddZedddZdS)SerialisableCredentialzA Class representing a credential that can be serialised. ._SerialisableCredential__registered_subclasses)returncCstdS)z Get the type name of the credential, which will be embedded into serialised values and used on deserialisation. NNotImplementedErrorclsrrrget_name$szSerialisableCredential.get_namercCs|tj|<|S)a Register a subclass into the credential serialisation registry, using the name returned by :meth:`get_name`. Can be used as a class decorator. :param cls: The subclass. :return: The subclass. )rrrrrrrregister,s zSerialisableCredential.registercCstdS)z Serialise a value to raw binary data. To be overridden by subclasses. :return: A byte string :raises misc.PdfWriteError: If a serialisation error occurs. Nrselfrrr _ser_value:s z!SerialisableCredential._ser_value)r cCstdS)aH Deserialise a value from raw binary data. :param data: The data to deserialise. :return: The deserialised value (an instance of a subclass of :class:`.SerialisableCredential`) :raises misc.PdfReadError: If a deserialisation error occurs. Nr)rr rrr _deser_valueEsz#SerialisableCredential._deser_value) ser_valuercCsH|j}ztj|}Wn&tk r:td|dYnX||jS)a Deserialise a :class:`.SerialisedCredential` value by looking up the proper subclass of :class:`.SerialisableCredential` and invoking its deserialisation method. :param ser_value: The value to deserialise. :return: The deserialised credential. :raises misc.PdfReadError: If a deserialisation error occurs. z3Failed to deserialise credential: credential type 'z ' not known.)rrrKeyErrorrZ PdfReadErrorrr )r Z cred_typerrrr deserialiseUs z"SerialisableCredential.deserialisecCst|j|dS)z Serialise a value to an annotated :class:`.SerialisedCredential` value. :return: A :class:`.SerialisedCredential` value. :raises misc.PdfWriteError: If a serialisation error occurs. )rr )r __class__rrrrrr serialisens z SerialisableCredential.serialiseN)r r r r dictrrrrr classmethodr staticmethodrrrrrr"r$rrrrrs   r) abcZ dataclassesrtypingrrZpyhanko.pdf_utilsrrABCrrrrrs