U
    HaB                     @   s  d dl Z d dlmZmZmZmZ d dlm	Z	 d dl
mZ d dlmZmZ d dlmZ d dlmZ d dlmZ d d	lmZ d d
lmZ d dlmZmZmZmZ d dlmZm Z  d dl!m"Z" d dl#m$Z$ d dl%m&Z& d dl'm(Z(m)Z) edZ*de*_+edZ,ej-e,_+dZ.dZ/G dd de0Z1ddddddddddd hZ2d!d" Z3d#d$ Z4G d%d& d&Z5G d'd( d(e5eZ6G d)d* d*e5eZ7G d+d, d,e5eZ8G d-d. d.Z9G d/d0 d0e9Z:dS )1    N)charsetencoders	generatormessage_from_string)HeaderParseError)Header)Addressparser)Message)MIMEBase)MIMEMessage)MIMEMultipart)MIMEText)
formataddr
formatdategetaddresses
make_msgid)BytesIOStringIO)Path)settings)DNS_NAME)	force_strpunycodeutf-8zapplication/octet-streami  c                   @   s   e Zd ZdS )BadHeaderErrorN)__name__
__module____qualname__ r   r   </tmp/pip-unpacked-wheel-3jxiddxt/django/core/mail/message.pyr   #   s   r   fromZsenderzreply-totoccbcczresent-fromzresent-senderz	resent-toz	resent-ccz
resent-bccc                    s    pt j t|}d|ks"d|kr2td|| f z|d W nN tk
r   |  tkr|d fddt	|fD }nt
|  }Y nX |  dkrt
| }| |fS )	z6Forbid multi-line headers to prevent header injection.
z;Header values can't contain newlines (got %r for header %r)ascii, c                 3   s   | ]}t | V  qd S N)sanitize_address).0addrencodingr   r    	<genexpr>A   s     z,forbid_multi_line_headers.<locals>.<genexpr>subject)r   DEFAULT_CHARSETstrr   encodeUnicodeEncodeErrorlowerADDRESS_HEADERSjoinr   r   )namevalr.   r   r-   r    forbid_multi_line_headers7   s    
 r:   c           
   
   C   sP  d}t | tst| } zt| \}}W n& tttfk
rN   td|  Y qX |rdtd|| f |jpld}|j	}|j
p|d}n| \}}|dd\}}|| | }d|ksd|krtd	z|d
 t| }W n" tk
r   t|| }Y nX z|d
 W n$ tk
r,   t|| }Y nX t|}t||d}	t||	jfS )zF
    Format a pair of (name, address) or an email address string.
    NzInvalid address "%s"z2Invalid address; only %s could be parsed from "%s" @   r%   r&   z7Invalid address; address parts cannot contain newlines.r'   )usernamedomain)
isinstancetupler   r	   Zget_mailboxr   
ValueError
IndexErrorZdisplay_nameZ
local_partr?   rsplitr3   r   r4   r   r   r   Z	addr_spec)
r,   r.   addresstokenrestnmZ	localpartr?   Zaddress_partsZparsed_addressr   r   r    r*   J   sB    


r*   c                   @   s    e Zd ZdddZd	ddZdS )
	MIMEMixinFr%   c                 C   s,   t  }tj|dd}|j| ||d | S )a&  Return the entire formatted message as a string.
        Optional `unixfrom' when True, means include the Unix From_ envelope
        header.

        This overrides the default as_string() implementation to not mangle
        lines that begin with 'From '. See bug #13433 for details.
        Fmangle_from_unixfromlinesep)r   r   	GeneratorflattengetvalueselfrM   rN   fpgr   r   r    	as_stringx   s    zMIMEMixin.as_stringc                 C   s,   t  }tj|dd}|j| ||d | S )a"  Return the entire formatted message as bytes.
        Optional `unixfrom' when True, means include the Unix From_ envelope
        header.

        This overrides the default as_bytes() implementation to not mangle
        lines that begin with 'From '. See bug #13433 for details.
        FrJ   rL   )r   r   BytesGeneratorrP   rQ   rR   r   r   r    as_bytes   s    zMIMEMixin.as_bytesN)Fr%   )Fr%   )r   r   r   rV   rX   r   r   r   r    rI   w   s   
rI   c                   @   s   e Zd Zdd ZdS )SafeMIMEMessagec                 C   s"   t ||d\}}t| || d S )Nr'   )r:   r   __setitem__rS   r8   r9   r   r   r    rZ      s    zSafeMIMEMessage.__setitem__N)r   r   r   rZ   r   r   r   r    rY      s   rY   c                   @   s(   e Zd Zd	ddZdd Zd
ddZdS )SafeMIMETextplainNc                 C   s   || _ tj| |||d d S )N)_subtype_charset)r.   r   __init__)rS   Z_textr^   r_   r   r   r    r`      s    zSafeMIMEText.__init__c                 C   s$   t ||| j\}}t| || d S r)   )r:   r.   r   rZ   r[   r   r   r    rZ      s    zSafeMIMEText.__setitem__c                 C   sJ   |dkr6t |tjs6tdd | D }|r2tnt}tj| ||d d S )Nr   c                 s   s   | ]}t | tkV  qd S r)   )lenr3   RFC5322_EMAIL_LINE_LENGTH_LIMIT)r+   liner   r   r    r/      s   z+SafeMIMEText.set_payload.<locals>.<genexpr>)r   )r@   Charsetany
splitlinesutf8_charset_qputf8_charsetr   set_payload)rS   payloadr   Zhas_long_linesr   r   r    ri      s    zSafeMIMEText.set_payload)r]   N)N)r   r   r   r`   rZ   ri   r   r   r   r    r\      s   
r\   c                   @   s   e Zd ZdddZdd ZdS )SafeMIMEMultipartmixedNc                 K   s   || _ tj| |||f| d S r)   )r.   r   r`   )rS   r^   boundaryZ	_subpartsr.   _paramsr   r   r    r`      s    zSafeMIMEMultipart.__init__c                 C   s$   t ||| j\}}t| || d S r)   )r:   r.   r   rZ   r[   r   r   r    rZ      s    zSafeMIMEMultipart.__setitem__)rl   NNN)r   r   r   r`   rZ   r   r   r   r    rk      s   
rk   c                
   @   s   e Zd ZdZdZdZdZdddZd d	d
Zdd Z	dd Z
d!ddZd"ddZd#ddZdd Zdd Zdd Zd$ddZdd ZdS )%EmailMessagez"A container for email information.r]   rl   Nr;   c                 C   s  |r"t |trtdt|| _ng | _|	rJt |	tr>tdt|	| _ng | _|rrt |trftdt|| _ng | _|
rt |
trtdt|
| _ng | _|ptj	| _
|| _|pd| _g | _|r|D ]$}t |tr| | q| j|  q|pi | _|| _dS )g
        Initialize a single email message (which can be sent to multiple
        recipients).
        z%"to" argument must be a list or tuplez%"cc" argument must be a list or tuplez&"bcc" argument must be a list or tuplez+"reply_to" argument must be a list or tupler;   N)r@   r2   	TypeErrorlistr"   r#   r$   reply_tor   ZDEFAULT_FROM_EMAIL
from_emailr0   bodyattachmentsr   attachextra_headers
connection)rS   r0   ru   rt   r"   r$   ry   rv   headersr#   rs   
attachmentr   r   r    r`      s>    






zEmailMessage.__init__Fc                 C   s$   ddl m} | js||d| _| jS )Nr   )get_connection)fail_silently)Zdjango.core.mailr|   ry   )rS   r}   r|   r   r   r    r|      s    zEmailMessage.get_connectionc                 C   s   | j p
tj}t| j| j|}| |}| j|d< | j	d| j
|d< | |d| j | |d| j | |d| j dd | jD }d|krttjd	|d
< d|krttd|d< | j D ]\}}| dkr|||< q|S )NSubjectFromToCczReply-Toc                 S   s   g | ]}|  qS r   )r5   )r+   keyr   r   r    
<listcomp>   s     z(EmailMessage.message.<locals>.<listcomp>date)	localtimeDatez
message-id)r?   z
Message-IDr!   )r.   r   r1   r\   ru   content_subtype_create_messager0   rx   getrt   _set_list_header_if_not_emptyr"   r#   rs   r   ZEMAIL_USE_LOCALTIMEr   r   itemsr5   )rS   r.   msgheader_namesr8   valuer   r   r    message   s"    


zEmailMessage.messagec                 C   s   dd | j | j | j D S )z
        Return a list of all recipients of the email (includes direct
        addressees as well as Cc and Bcc entries).
        c                 S   s   g | ]}|r|qS r   r   )r+   emailr   r   r    r     s      z+EmailMessage.recipients.<locals>.<listcomp>)r"   r#   r$   )rS   r   r   r    
recipients  s    zEmailMessage.recipientsc                 C   s   |   sdS | || gS )zSend the email message.r   )r   r|   Zsend_messages)rS   r}   r   r   r    send  s    zEmailMessage.sendc                 C   s   t |tr0|dkst|dks"t| j| n||dk	s<t|pPt|d pPt}|dd\}}|dkrt |t	rz|
 }W n tk
r   t}Y nX | j|||f dS )a  
        Attach a file with the given filename and content. The filename can
        be omitted and the mimetype is guessed, if not provided.

        If the first parameter is a MIMEBase subclass, insert it directly
        into the resulting message attachments.

        For a text/* mimetype (guessed or specified), when a bytes object is
        specified as content, decode it as UTF-8. If that fails, set the
        mimetype to DEFAULT_ATTACHMENT_MIME_TYPE and don't decode the content.
        Nr   /r=   text)r@   r   AssertionErrorrv   append	mimetypes
guess_typeDEFAULT_ATTACHMENT_MIME_TYPEsplitbytesdecodeUnicodeDecodeError)rS   filenamecontentmimetypebasetypesubtyper   r   r    rw     s    


zEmailMessage.attachc              	   C   s:   t |}|d}| }| |j|| W 5 Q R X dS )al  
        Attach a file from the filesystem.

        Set the mimetype to DEFAULT_ATTACHMENT_MIME_TYPE if it isn't specified
        and cannot be guessed.

        For a text/* mimetype (guessed or specified), decode the file's content
        as UTF-8. If that fails, set the mimetype to
        DEFAULT_ATTACHMENT_MIME_TYPE and don't decode the content.
        rbN)r   openreadrw   r8   )rS   pathr   filer   r   r   r    attach_file>  s    zEmailMessage.attach_filec                 C   s
   |  |S r)   )_create_attachmentsrS   r   r   r   r    r   N  s    zEmailMessage._create_messagec                 C   sr   | j rn| jptj}|}t| j|d}| js2| r<|| | j D ]*}t	|t
r\|| qB|| j|  qB|S N)r^   r.   )rv   r.   r   r1   rk   mixed_subtyperu   is_multipartrw   r@   r   _create_attachment)rS   r   r.   body_msgr{   r   r   r    r   Q  s    


z EmailMessage._create_attachmentsc                 C   s   | dd\}}|dkr2| jp"tj}t|||}nd|dkrx|dkrxt|trV| }nt|tslt	t
|}t||}nt||}|| t| |S )z
        Convert the content, mimetype pair into a MIME attachment object.

        If the mimetype is message/rfc822, content may be an
        email.Message or EmailMessage object, as well as a str.
        r   r=   r   r   Zrfc822)r   r.   r   r1   r\   r@   ro   r   r
   r   r   rY   r   ri   Encodersencode_base64)rS   r   r   r   r   r.   r{   r   r   r    _create_mime_attachment_  s    





z$EmailMessage._create_mime_attachmentc                 C   sR   |  ||}|rNz|d W n tk
r<   dd|f}Y nX |jdd|d |S )zg
        Convert the filename, content, mimetype triple into a MIME attachment
        object.
        r'   r   r;   zContent-Dispositionr{   )r   )r   r3   r4   
add_header)rS   r   r   r   r{   r   r   r    r   }  s    zEmailMessage._create_attachmentc                 C   sH   |rDz| j | }W n( tk
r:   ddd |D }Y nX |||< dS )zt
        Set msg's header, either from self.extra_headers, if present, or from
        the values argument.
        r(   c                 s   s   | ]}t |V  qd S r)   )r2   )r+   vr   r   r    r/     s     z=EmailMessage._set_list_header_if_not_empty.<locals>.<genexpr>N)rx   KeyErrorr7   )rS   r   headervaluesr   r   r   r    r     s    z*EmailMessage._set_list_header_if_not_empty)
r;   r;   NNNNNNNN)F)F)NNN)N)N)r   r   r   __doc__r   r   r.   r`   r|   r   r   r   rw   r   r   r   r   r   r   r   r   r   r    ro      s,            
,


 

ro   c                       s>   e Zd ZdZdZd fdd	Zdd Zd	d
 Zdd Z  Z	S )EmailMultiAlternativesz
    A version of EmailMessage that makes it easy to send multipart/alternative
    messages. For example, including text and HTML versions of the text is
    made easier.
    alternativer;   Nc                    s,   t  |||||||||
|
 |	p$g | _dS )rp   N)superr`   alternatives)rS   r0   ru   rt   r"   r$   ry   rv   rz   r   r#   rs   	__class__r   r    r`     s            zEmailMultiAlternatives.__init__c                 C   s,   |dk	st |dk	st | j||f dS )z-Attach an alternative content representation.N)r   r   r   )rS   r   r   r   r   r    attach_alternative  s    z)EmailMultiAlternatives.attach_alternativec                 C   s   |  | |S r)   )r   _create_alternativesr   r   r   r    r     s    z&EmailMultiAlternatives._create_messagec                 C   sT   | j p
tj}| jrP|}t| j|d}| jr4|| | jD ]}|| j|  q:|S r   )	r.   r   r1   r   rk   alternative_subtyperu   rw   r   )rS   r   r.   r   r   r   r   r    r     s    

z+EmailMultiAlternatives._create_alternatives)r;   r;   NNNNNNNNN)
r   r   r   r   r   r`   r   r   r   __classcell__r   r   r   r    r     s              r   );r   r   r   rd   r   r   r   r   Zemail.errorsr   Zemail.headerr   Zemail.headerregistryr   r	   email.messager
   Zemail.mime.baser   Zemail.mime.messager   Zemail.mime.multipartr   Zemail.mime.textr   email.utilsr   r   r   r   ior   r   pathlibr   Zdjango.confr   Zdjango.core.mail.utilsr   Zdjango.utils.encodingr   r   rh   body_encodingrg   QPr   rb   rB   r   r6   r:   r*   rI   rY   r\   rk   ro   r   r   r   r   r    <module>   sV   

- ]