a
XC?hj� � @ sZ d Z ddlZddlZddlZddlZddlZddlZddlZddl Z ddl
Z
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e�ZG dd� de�Z G dd� de�Z G dd� de�Z G dd� de �Z G dd� de�Z G dd� de �Z!G dd� de �Z"G d d � d e �Z#G d d � d e �Z$d d!� Z%d"d#� Z&d$d%� Z'd&d'� Z(d(d)� Z)z ddl*Z*W n e+�y� d*Z,Y n0 d+Z,G d,d-� d-�Z-e,�r�G d.d/� d/e-�Z.e�/d/� d0Z0G d1d2� d2e-�Z1e2d3k�rVd4d5� Z3e3d6�Z4e3d7��5d8�Z6e7d9� d:Z8e j9�:� Z;e;�s�q e8e; Z8�q�e7d;ed=� e=�?e4e6e8� e=�@� dS )>a SMTP/ESMTP client class.
This should follow RFC 821 (SMTP), RFC 1869 (ESMTP), RFC 2554 (SMTP
Authentication) and RFC 2487 (Secure SMTP over TLS).
Notes:
Please remember, when doing ESMTP, that the names of the SMTP service
extensions are NOT the same thing as the option keywords for the RCPT
and MAIL commands!
Example:
>>> import smtplib
>>> s=smtplib.SMTP("localhost")
>>> print(s.help())
This is Sendmail version 8.8.4
Topics:
HELO EHLO MAIL RCPT DATA
RSET NOOP QUIT HELP VRFY
EXPN VERB ETRN DSN
For more info use "HELP ".
To report bugs in the implementation send email to
[email protected].
For local information send email to Postmaster at your site.
End of HELP info
>>> s.putcmd("vrfy","someone@here")
>>> s.getreply()
(250, "Somebody OverHere ")
>>> s.quit()
� N)� body_encode)
�
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s
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These exceptions are generated in some instances when the SMTP
server returns an error code. The error code is stored in the
`smtp_code' attribute of the error, and the `smtp_error' attribute
is set to the error message.
c C s || _ || _||f| _d S �N)� smtp_code�
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c C s" || _ || _|| _|||f| _d S r )r r �senderr )r r r r# r r r r! o s zSMTPSenderRefused.__init__Nr" r r r r r h s r c @ s e Zd ZdZdd� ZdS )r z�All recipient addresses refused.
The errors for each recipient are accessible through the attribute
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recipientsr )r r$ r r r r! } s z SMTPRecipientsRefused.__init__Nr" r r r r r u s r c @ s e Zd ZdZdS )r z'The SMTP server didn't accept the data.Nr r r r r r � s r c @ s e Zd ZdZdS )r
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c @ s e Zd ZdZdS )r z"The server refused our HELO reply.Nr r r r r r � s r c @ s e Zd ZdZdS )r zvAuthentication error.
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� s r
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z(?m)^\.z..�(?:\r\n|\n|\r(?!\n))��re�sub�CRLF��datar r r r � s �r c C s t �dd| �S )Ns (?m)^\.s ..)r2 r3 )Zbindatar r r �_quote_periods� s r7 c C s t �dt| �S )Nr0 r1 r5 r r r � _fix_eols� s r8 FTc @ sz e Zd ZdZdZdZdZdZdZdZ dZ
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� Zdd� Zdd� ZdNdd�Zdd� ZdOdd�Zdd� ZdPdd �ZdQd d �ZdRd d �Zd!d"� Z dSd#d$�Z d%d&� Z d'd(� Z d)d*� Z dTd,d-�Z!dUd.d/�Z"d0d1� Z#d2d3� Z$e$Z%d4d5� Z&d6d7� Z'd8d9�d:d;�Z(dVdd?�Z*dXd@dA�Z+d8d9�dBdC�Z,dYdDdE�Z-dZdFdG�Z.d[dHdI�Z/dJdK� Z0dLdM� Z1dS )\r a� This class manages a connection to an SMTP or ESMTP server.
SMTP Objects:
SMTP objects have the following attributes:
helo_resp
This is the message given by the server in response to the
most recent HELO command.
ehlo_resp
This is the message given by the server in response to the
most recent EHLO command. This is usually multiline.
does_esmtp
This is a True value _after you do an EHLO command_, if the
server supports ESMTP.
esmtp_features
This is a dictionary, which, if the server supports ESMTP,
will _after you do an EHLO command_, contain the names of the
SMTP service extensions this server supports, and their
parameters (if any).
Note, all extension names are mapped to lower case in the
dictionary.
See each method's docstrings for details. In general, there is a
method of the same name to perform each SMTP command. There is also a
method called 'sendmail' that will do an entire mail transaction.
r N�ehlor& c
C s� || _ || _i | _d| _|| _d| _|rR| �||�\}}|dkrR| �� t||��|durb|| _ nNt
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� �} W n t
jy� Y n0 d| | _ dS )a Initialize a new instance.
If specified, `host` is the name of the remote host to which to
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By default, smtplib.SMTP_PORT is used. If a host is specified the
connect method is called, and if it returns anything other than a
success code an SMTPConnectError is raised. If specified,
`local_hostname` is used as the FQDN of the local host in the HELO/EHLO
command. Otherwise, the local hostname is found using
socket.getfqdn(). The `source_address` parameter takes a 2-tuple (host,
port) for the socket to bind to as its source address before
connecting. If the host is '' and port is 0, the OS default behavior
will be used.
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|| _ dS )z�Set the debug output level.
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�zSMTP._get_socket� localhostc C s� |r
|| _ |sz|�d�|�d�krz|�d�}|dkrz|d|� ||d d� }}z t|�}W n tyx td��Y n0 |s�| j}t�d| ||� | � ||| j
�| _ d| _ | �
� \}}| jdkr�| �dt|�� ||fS )ap Connect to a host on a given port.
If the hostname ends with a colon (`:') followed by a number, and
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number interpreted as the port number to use.
Note: This method is automatically invoked by __init__, if a host is
specified during instantiation.
�:r NrQ znonnumeric portzsmtplib.connect�connect:)rA �find�rfind�intr[ �OSError� default_portrV �auditr\ r> �sockrR �getreplyrO rY �repr)r rG rH rA �ir r r r r rC ; s&
z SMTP.connectc C s� | j dkr| �dt|�� | jrzt|t�r6|�| j�}t� d| |� z| j�
|� W q� t yv | � � t
d��Y q�0 nt
d��dS )zSend `s' to the server.r zsend:z smtplib.send�Server not connectedzplease run connect() firstN)rO rY rh rf �
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z SMTP.sendc C sd |dkr|}n|� d|� �}d|v s,d|v rN|� dd�� dd�}td|� ���| �|� t� �� dS ) z Send a command to the server.r& � �
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z\nz\rz=command and arguments contain prohibited newline characters: N)�replacer[ ro r4 )r �cmdr rn r r r �putcmdo s �z SMTP.putcmdc
C sP g }| j du r | j�d�| _ z| j �td �}W n< tyl } z$| �� tdt|� ��W Y d}~n
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� dkr �q q d�|�}| j dk�rH| �
d||f � ||fS )a� Get a reply from the server.
Returns a tuple consisting of:
- server response code (e.g. '250', or such, if all goes well)
Note: returns -1 if it can't read response code.
- server response string corresponding to response code (multiline
responses are converted to a single, multiline string).
Raises SMTPServerDisconnected if end-of-file is reached.
N�rbrQ z Connection unexpectedly closed: z Connection unexpectedly closedr zreply:i� zLine too long.� s
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SMTP.getreplyc C s | � ||� | �� S )z-Send a command, and return its response code.�ru rg )r rt r r r r rL � s z
SMTP.docmdc C s, | � d|p| j� | �� \}}|| _||fS )zwSMTP 'helo' command.
Hostname to send for this command defaults to the FQDN of the local
host.
�helo)ru rE rg � helo_resp)r �namer r r r r r� � s z SMTP.heloc
C s. i | _ | �| j|p| j� | �� \}}|dkrJt|�dkrJ| �� td��|| _|dkr`||fS d| _ | j�
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|�}|r�| j �dd �d
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| | j |< q�| | j |< q�||fS )zx SMTP 'ehlo' command.
Hostname to send for this command defaults to the FQDN of the local
host.
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�� z SMTP.ehloc C s |� � | jv S )z7Does the server support a given SMTP service extension?)r� r? )r �optr r r �has_extn� s z
SMTP.has_extnc C s | � d|� | �� d S )z;SMTP 'help' command.
Returns help text from server.�helprQ r� rX r r r r� � s z SMTP.helpc C s d| _ | �d�S )z&SMTP 'rset' command -- resets session.r: �rset)r@ rL rI r r r r� � s z SMTP.rsetc C s$ z | � � W n ty Y n0 dS )a Internal 'rset' command which ignores any SMTPServerDisconnected error.
Used internally in the library, since the server disconnected error
should appear to the application when the *next* command is issued, if
we are doing an internal "safety" reset.
N)r� r rI r r r �_rset� s z
SMTP._rsetc C s
| � d�S )z-SMTP 'noop' command -- doesn't do anything :>�noop)rL rI r r r r� s z SMTP.noopr c C sh d}|rH| j rHtdd� |D ��r:| �d�r2d| _ntd��dd�|� }| �dd t|�|f � | �� S )
a8 SMTP 'mail' command -- begins mail xfer session.
This method may raise the following exceptions:
SMTPNotSupportedError The options parameter includes 'SMTPUTF8'
but the SMTPUTF8 extension is not supported by
the server.
r& c s s | ]}|� � d kV qdS )�smtputf8N)r� )�.0�xr r r � � z SMTP.mail..r� zutf-8z SMTPUTF8 not supported by serverrp �mailz FROM:%s%s) r� �anyr� r@ r r� ru r
rg )r r# �options�
optionlistr r r r� s
�z SMTP.mailc C s< d}|r | j r dd�|� }| �ddt|�|f � | �� S )z;SMTP 'rcpt' command -- indicates 1 recipient for this mail.r& rp �rcptzTO:%s%s)r� r� ru r
rg )r Zrecipr� r� r r r r� $ s
z SMTP.rcptc C s� | � d� | �� \}}| jdkr0| �d||f� |dkrDt||��n|t|t�r\t|��d�}t |�}|dd� t
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}|d t
}| � |� | �� \}}| jdkr�| �d||f� ||fS dS ) a� SMTP 'DATA' command -- sends message data to server.
Automatically quotes lines beginning with a period per rfc821.
Raises SMTPDataError if there is an unexpected reply to the
DATA command; the return value from this method is the final
response code received when the all data is sent. If msg
is a string, lone '\r' and '\n' characters are converted to
'\r\n' characters. If msg is bytes, it is transmitted as is.
r6 r zdata:ib r: �����N� .) ru rg rO rY r rk rl r8 rm r7 �bCRLFro )r r r �repl�qr r r r6 , s"
z SMTP.datac C s | � dt|�� | �� S )z5SMTP 'verify' command -- checks for address validity.�vrfy�ru r/ rg �r Zaddressr r r �verifyI s z SMTP.verifyc C s | � dt|�� | �� S )z.SMTP 'expn' command -- expands a mailing list.�expnr� r� r r r r� P s z SMTP.expnc C sb | j du r^| jdu r^d| �� d kr0dks^n | �� \}}d| krRdks^n t||��dS )ab Call self.ehlo() and/or self.helo() if needed.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
N�� r i+ )r� r� r9 r� r )r r r� r r r �ehlo_or_helo_if_neededW s
zSMTP.ehlo_or_helo_if_neededT��initial_response_okc C s� |� � }|r|� nd}|durPt|�d�dd�}| �d|d | �\}}d| _n| �d|�\}}d| _|d kr�| jd7 _t�|�}t||��d�dd�}| �|�\}}| jtkrftd
t ||f� ��qf|d v r�||fS t
||��dS ) a� Authentication command - requires response processing.
'mechanism' specifies which authentication mechanism is to
be used - the valid values are those listed in the 'auth'
element of 'esmtp_features'.
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data = authobject(challenge)
It will be called to process the server's challenge response; the
challenge argument it is passed will be a bytes. It should return
an ASCII string that will be base64 encoded and sent to the server.
Keyword arguments:
- initial_response_ok: Allow sending the RFC 4954 initial-response
to the AUTH command, if the authentication methods supports it.
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��z SMTP.authc C s0 |du r dS | j d t�| j�d�|d��� S )zh Authobject to use with CRAM-MD5 authentication. Requires self.user
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auth_plain� s zSMTP.auth_plainc C s" |du s| j dk r| jS | jS dS )ze Authobject to use with LOGIN authentication. Requires self.user and
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auth_login� s zSMTP.auth_loginc s� | � � | �d�std��| jd �� � g d�}� fdd�|D �}|sNtd��|| | _| _|D ]v}d|�� � dd � }z4| j
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The arguments are:
- user: The user name to authenticate with.
- password: The password for the authentication.
Keyword arguments:
- initial_response_ok: Allow sending the RFC 4954 initial-response
to the AUTH command, if the authentication methods supports it.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first.
This method will return normally if the authentication was successful.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
SMTPAuthenticationError The server didn't accept the username/
password combination.
SMTPNotSupportedError The AUTH command is not supported by the
server.
SMTPException No suitable authentication method was
found.
r� z,SMTP AUTH extension not supported by server.)zCRAM-MD5ZPLAINZLOGINc s g | ]}|� v r|�qS r r )r� r� �Zadvertised_authlistr r �
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SMTP.loginc C s� | � � | �d�std��| �d�\}}|dkr�ts>> import smtplib
>>> s=smtplib.SMTP("localhost")
>>> tolist=["[email protected]","[email protected]","[email protected]","[email protected]"]
>>> msg = '''\
... From: [email protected]
... Subject: testin'...
...
... This is a test '''
>>> s.sendmail("[email protected]",tolist,msg)
{ "[email protected]" : ( 550 ,"User unknown" ) }
>>> s.quit()
In the above example, the message was accepted for delivery to three
of the four addresses, and one was rejected, with the error code
550. If all addresses are accepted, then the method will return an
empty dictionary.
r: �sizezsize=%dr� i� �� )r� rk rl r8 rm r� r� r r~ r� rD r� r r� r r6 r ) r � from_addr�to_addrsr � mail_options� rcpt_optionsZ
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||�S ) a~ Converts message to a bytestring and passes it to sendmail.
The arguments are as for sendmail, except that msg is an
email.message.Message object. If from_addr is None or to_addrs is
None, these arguments are taken from the headers of the Message as
described in RFC 2822 (a ValueError is raised if there is more than
one set of 'Resent-' headers). Regardless of the values of from_addr and
to_addr, any Bcc field (or Resent-Bcc field, when the Message is a
resent) of the Message object won't be transmitted. The Message
object is then serialized using email.generator.BytesGenerator and
sendmail is called to transmit the message. If the sender or any of
the recipient addresses contain non-ASCII and the server advertises the
SMTPUTF8 capability, the policy is cloned with utf8 set to True for the
serialization, and SMTPUTF8 and BODY=8BITMIME are asserted on the send.
If the server does not support SMTPUTF8, an SMTPNotSupported error is
raised. Otherwise the generator is called without modifying the
policy.
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� ( �zSMTP.send_messagec C sT z4| j }d| _ |r|�� W | j}d| _|rP|�� n| j}d| _|rN|�� 0 dS )z(Close the connection to the SMTP server.N)rR rD rf )r rR rf r r r rD � s
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S ) �SMTP_SSLa� This is a subclass derived from SMTP that connects over an SSL
encrypted socket (to use this class you need a socket module that was
compiled with SSL support). If host is not specified, '' (the local
host) is used. If port is omitted, the standard SMTP-over-SSL port
(465) is used. local_hostname and source_address have the same meaning
as they do in the SMTP class. keyfile and certfile are also optional -
they can contain a PEM formatted private key and certificate chain file
for the SSL connection. context also optional, can contain a
SSLContext, and is an alternative to keyfile and certfile; If it is
specified both keyfile and certfile must be None.
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S ) �LMTPa� LMTP - Local Mail Transfer Protocol
The LMTP protocol, which is very similar to ESMTP, is heavily based
on the standard SMTP client. It's common to use Unix sockets for
LMTP, so our connect() method must support that as well as a regular
host:port server. local_hostname and source_address have the same
meaning as they do in the SMTP class. To specify a Unix socket,
you must use an absolute path as the host, starting with a '/'.
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using a Unix socket, LMTP generally don't support or require any
authentication, but your mileage might vary.Zlhlor& Nc s t � j|||||d� dS )zInitialize a new instance.)rE rA r> N)r� r! )r rG rH rE rA r> r� r r r! < s �z
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