U
    ­% Y  ã                   @   s`   d dl mZ d dlZd dlmZ d dlmZ ddlmZm	Z	 G dd„ deƒZ
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e	ƒZdS )é    )Úunicode_literalsN)Ú	iteritems)ÚSecretBoxEncryptoré   )ÚFirstPartyCaveatDelegateÚ FirstPartyCaveatVerifierDelegatec                       s*   e Zd Zd‡ fdd„	Z‡ fdd„Z‡  ZS )Ú!EncryptedFirstPartyCaveatDelegateNc                    s"   |pt ƒ | _tt| ƒj||Ž d S ©N)r   Úfield_encryptorÚsuperr   Ú__init__)Úselfr
   ÚargsÚkwargs©Ú	__class__© úT/usr/lib/python3/dist-packages/pymacaroons/caveat_delegates/encrypted_first_party.pyr      s
    
 ÿz*EncryptedFirstPartyCaveatDelegate.__init__c                    s6   |  d¡r | j t |j¡|¡}tt| ƒj||f|ŽS )NZ	encrypted)	Úgetr
   ZencryptÚbinasciiZ	unhexlifyZsignature_bytesr   r   Úadd_first_party_caveat)r   ZmacaroonÚ	predicater   r   r   r   r      s    

þÿþýz8EncryptedFirstPartyCaveatDelegate.add_first_party_caveat)N)Ú__name__Ú
__module__Ú__qualname__r   r   Ú__classcell__r   r   r   r   r      s   r   c                       s&   e Zd Zd‡ fdd„	Zdd„ Z‡  ZS )Ú)EncryptedFirstPartyCaveatVerifierDelegateNc                    s>   t ƒ }|rtdd„ |D ƒƒn|j|i| _tt| ƒj||Ž d S )Nc                 s   s   | ]}|j |fV  qd S r	   )Ú	signifier)Ú.0Úfr   r   r   Ú	<genexpr>%   s    zEEncryptedFirstPartyCaveatVerifierDelegate.__init__.<locals>.<genexpr>)r   Údictr   Úfield_encryptorsr   r   r   )r   r"   r   r   Zsecret_box_encryptorr   r   r   r   #   s    þ
ÿ ÿþ
 ÿz2EncryptedFirstPartyCaveatVerifierDelegate.__init__c                    sL   |j ‰ t| jƒD ]\}}ˆ  |¡r| |ˆ ¡‰ qt‡ fdd„|jD ƒƒ}|S )Nc                 3   s   | ]}|ˆ ƒV  qd S r	   r   )r   Úcallback©r   r   r   r    8   s   ÿzVEncryptedFirstPartyCaveatVerifierDelegate.verify_first_party_caveat.<locals>.<genexpr>)Zcaveat_id_bytesr   r"   Ú
startswithZdecryptÚsumZ	callbacks)r   ZverifierZcaveatZ	signaturer   Z	encryptorZ
caveat_metr   r$   r   Úverify_first_party_caveat.   s    
þÿzCEncryptedFirstPartyCaveatVerifierDelegate.verify_first_party_caveat)N)r   r   r   r   r'   r   r   r   r   r   r       s   r   )Z
__future__r   r   Zsixr   Zpymacaroons.field_encryptorsr   Zfirst_partyr   r   r   r   r   r   r   r   Ú<module>   s   
ÿ