�
Ϫ�f� � � � d Z ddlZddlZddlmZ ddlmZ ddlmZ G d� d� Z G d� d � Z
G d
� d e
ej � Z G d � d
e
ej � Zy)z
Support for relaying mail.
� N)� UNIXAddress)�smtp)�logc �* � e Zd ZdZdd�Zd� Zd� Zd� Zy)� DomainQueuerzM
An SMTP domain which add messages to a queue intended for relaying.
c � � || _ || _ y �N)�service�authed)�selfr
�
authenticateds �4/usr/lib/python3/dist-packages/twisted/mail/relay.py�__init__zDomainQueuer.__init__ s � � �� �#�� � c �| � �� � j �j �j � r�t dt �j
� j
dd� � }t dt �j � j
dd� � }t |� dk( rt |� dk( r� �fd�S t j �� �)a�
Check whether mail can be relayed to a user.
@type user: L{User}
@param user: A user.
@rtype: no-argument callable which returns L{IMessage <smtp.IMessage>}
provider
@return: A function which takes no arguments and returns a message
receiver for the user.
@raise SMTPBadRcpt: When mail cannot be relayed to the user.
N�@� � c �& �� � j �� S r )� startMessage)r �users ��r �<lambda>z%DomainQueuer.exists.<locals>.<lambda>- s �� �t� 0� 0�� 6� r )
� willRelay�dest�protocol�filter�str�orig�split�lenr � SMTPBadRcpt)r r r r s `` r �existszDomainQueuer.exists s� �� � �>�>�$�)�)�T�]�]� 3��$��D�I�I�� 4� 4�S�!� <�=�D��$��D�I�I�� 4� 4�S�!� <�=�D��4�y�A�~�#�d�)�q�.�6�6�� � �t�$�$r c � � |j j � }| j xs! t |t � xs |j
dk( S )z�
Check whether we agree to relay.
The default is to relay for all connections over UNIX
sockets and all connections from localhost.
z 127.0.0.1)� transport�getPeerr �
isinstancer �host)r �addressr �peers r r zDomainQueuer.willRelay0 s< � � �!�!�)�)�+���{�{�W�j��{� ;�W�t�y�y�K�?W�Wr c � � | j j }|j � \ }}|5 t j dt |j � �dt |j � ��� t j t |j � t |j � g|� ddd� |S # 1 sw Y |S xY w)z�
Create an envelope and a message receiver for the relay queue.
@type user: L{User}
@param user: A user.
@rtype: L{IMessage <smtp.IMessage>}
@return: A message receiver.
zQueueing mail z -> N)
r
�queue�createNewMessager �msgr r r �pickle�dump)r r r+ � envelopeFile� smtpMessages r r zDomainQueuer.startMessage: s� � � � � �"�"��$)�$:�$:�$<�!� �k�
� H� �G�G�n�S����^�$6�d�3�t�y�y�>�:L�M� N� �K�K��T�Y�Y� ��T�Y�Y� �8�,� G� H� �� H� ��s �B B6�6C N)F)�__name__�
__module__� __qualname__�__doc__r r" r r � r r r r s � ��$�%�,X�r r c �* � e Zd Zd� Zd� Zd� Zd� Zd� Zy)� RelayerMixinc �J � g | _ g | _ |D ]� }t |dz d� 5 }t j |� }d d d � t |dz � }j |� | j j |� | j j |� �� y # 1 sw Y �axY w)N�-H�rb�-D)�messages�names�openr. �load�append)r � messagePaths�message�fp�messageContentss r � loadMessageszRelayerMixin.loadMessagesQ s� � ���
���
�#� '�G��g��n�d�+�
2�r�"(�+�+�b�/��
2��g��n�%�B� � "� "�2� &� �M�M� � � � 1� �J�J� � �g� &�
'�
2�
2�s �B�B" c �@ � | j sy | j d d S )Nr �r= �r s r � getMailFromzRelayerMixin.getMailFrom\ � � ��}�}���}�}�Q� ��"�"r c �B � | j sy | j d d gS )Nr r rH rI s r � getMailTozRelayerMixin.getMailToa s# � ��}�}���
�
�a� ��#�$�$r c �@ � | j sy | j d d S )Nr r rH rI s r � getMailDatazRelayerMixin.getMailDataf rK r c �� � |t j v rJt j | j d dz � t j | j d dz � | j
d= | j d= y)z�Since we only use one recipient per envelope, this
will be called with 0 or 1 addresses. We probably want
to do something with the error message if we failed.
r r< r: N)r �SUCCESS�os�remover> r= )r �code�resp�numOk� addressesr s r �sentMailzRelayerMixin.sentMailk sY � �
�4�<�<� � �I�I�d�j�j��m�d�*� +� �I�I�d�j�j��m�d�*� +� �M�M�!� � �J�J�q�Mr N)r2 r3 r4 rF rJ rM rO rX r6 r r r8 r8 L s � �
'�#�
%�
#�
r r8 c � � e Zd ZdZd� Zy)� SMTPRelayerz)
A base class for SMTP relayers.
c �l � t j j | g|��i |�� | j |� y)a�
@type messagePaths: L{list} of L{bytes}
@param messagePaths: The base filename for each message to be relayed.
@type args: 1-L{tuple} of (0) L{bytes} or 2-L{tuple} of
(0) L{bytes}, (1) L{int}
@param args: Positional arguments for L{SMTPClient.__init__}
@type kw: L{dict}
@param kw: Keyword arguments for L{SMTPClient.__init__}
N)r �
SMTPClientr rF �r rB �args�kws r r zSMTPRelayer.__init__} s. � �
��� � ��3��3��3� ���,�'r N�r2 r3 r4 r5 r r6 r r rZ rZ x s � ��
(r rZ c � � e Zd ZdZd� Zy)� ESMTPRelayerz*
A base class for ESMTP relayers.
c �l � t j j | g|��i |�� | j |� y)a�
@type messagePaths: L{list} of L{bytes}
@param messagePaths: The base filename for each message to be relayed.
@type args: 3-L{tuple} of (0) L{bytes}, (1) L{None} or
L{ClientContextFactory
<twisted.internet.ssl.ClientContextFactory>},
(2) L{bytes} or 4-L{tuple} of (0) L{bytes}, (1) L{None}
or L{ClientContextFactory
<twisted.internet.ssl.ClientContextFactory>}, (2) L{bytes},
(3) L{int}
@param args: Positional arguments for L{ESMTPClient.__init__}
@type kw: L{dict}
@param kw: Keyword arguments for L{ESMTPClient.__init__}
N)r � ESMTPClientr rF r] s r r zESMTPRelayer.__init__� s0 � �"
���!�!�$�4��4��4� ���,�'r Nr` r6 r r rb rb � s � ��(r rb )r5 rR r. �twisted.internet.addressr � twisted.mailr �twisted.pythonr r r8 r\ rZ rd rb r6 r r �<module>rh sW ��
�
�
� 0� � �8� 8�v)� )�X(�,���� (�*(�<��!1�!1� (r |