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dd� Zdd� Zdd� Zdefdd�Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Z d1d2� Z d3d4� Z d5d6� Z d7d8� Z d9d:� Z!d;d<� Z"d=d>� Z#d?d@� Z$dAdB� Z%dCdD� Z&dEdF� Z'dGdH� Z(d�dKdL�Z)dMdN� Z*dOdP� Z+dQdR� Z,dSdT� Z-d�dUdV�Z.dWdX� Z/dYdZ� Z0d[d\� Z1d]d^� Z2d_d`� Z3dadb� Z4dcdd� Z5d�dgdh�Z6didj� Z7dkdl� Z8dmdn� Z9dodp� Z:d�drds�Z;dtdu� Zdzd{� Z?d|d}� Z@d~d� ZAd�d�� ZBd�d�� ZCd�d�� ZDd�d�� ZEd�d�� ZFd�d�� ZGd�d�� ZHd�d�d��ZId�d�� ZJd�d�� ZKd�d�� ZLd�d�� ZMd�d�� ZNd�d�� ZOdqS )�r a� IMAP4 client class.
Instantiate with: IMAP4([host[, port]])
host - host's name (default: localhost);
port - port number (default: standard IMAP4 port).
All IMAP4rev1 commands are supported by methods of the same
name (in lower-case).
All arguments to commands are converted to strings, except for
AUTHENTICATE, and the last argument to APPEND which is passed as
an IMAP4 literal. If necessary (the string contains any
non-printing characters or white-space and isn't enclosed with
either parentheses or double quotes) each string is quoted.
However, the 'password' argument to the LOGIN command is always
quoted. If you want to avoid having an argument string quoted
(eg: the 'flags' argument to STORE) then enclose the string in
parentheses (eg: "(\Deleted)").
Each command returns a tuple: (type, [data, ...]) where 'type'
is usually 'OK' or 'NO', and 'data' is either the text from the
tagged response, or untagged results from command. Each 'data'
is either a string, or a tuple. If a tuple, then the first part
is the header of the response, and the second part contains
the data (ie: 'literal' value).
Errors raise the exception class .error("").
IMAP4 server errors raise .abort(""),
which is a sub-class of 'error'. Mailbox status changes
from READ-WRITE to READ-ONLY raise the exception class
.readonly(""), which is a sub-class of 'abort'.
"error" exceptions imply a program error.
"abort" exceptions imply the connection should be reset, and
the command re-tried.
"readonly" exceptions imply the command should be re-tried.
Note: to use this module, you must read the RFCs pertaining to the
IMAP4 protocol, as the semantics of the arguments to each IMAP4
command are left to the invoker, not to mention the results. Also,
most IMAP servers implement a sub-set of the commands available here.
c @ s e Zd ZdS )z IMAP4.errorN��__name__�
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r� Y nX � Y nX d S )Nr rB Fr )�Debug�debug�state�literal�tagged_commands�untagged_responses�continuation_response� is_readonly�tagnum�_tls_established� _mode_ascii�open�_connect� Exception�shutdown�OSError��self�host�portr= r= r> �__init__� s& zIMAP4.__init__c C s0 d| _ d| _t�ttj�| _t�ttj�| _d S )NF�ascii) � utf8_enabled� _encoding�re�compile�_Literal�ASCII�Literal�_Untagged_status�Untagged_status�rT r= r= r> rM � s zIMAP4._mode_asciic C s( d| _ d| _t�t�| _t�t�| _d S )NT�utf-8)rY rZ r[ r\ r] r_ r` ra rb r= r= r> �
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zIMAP4._connectc C s& |t krt| |�� �S td| ��d S )NzUnknown IMAP4 command: '%s')�Commands�getattr�lower�AttributeError)rT �attrr= r= r> � __getattr__ s zIMAP4.__getattr__c C s | S �Nr= rb r= r= r> � __enter__ s zIMAP4.__enter__c G s4 | j dkrd S z | �� W n tk
r. Y nX d S )Nr )rE �logoutrR )rT �argsr= r= r> �__exit__ s
zIMAP4.__exit__c C s4 | j s
d n| j }t�d| | j | j� t�|| jf�S )Nz imaplib.open)rU �sys�auditrV �socketZcreate_connection)rT rU r= r= r> �_create_socket s zIMAP4._create_socketc C s( || _ || _| �� | _| j�d�| _dS )z�Setup connection to remote server on "host:port"
(default: localhost:standard IMAP4 port).
This connection will be used by the routines:
read, readline, send, shutdown.
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z
IMAP4.openc C s | j �|�S �z Read 'size' bytes from remote.)r� �read�rT �sizer= r= r> r� 3 s z
IMAP4.readc C s. | j �td �}t|�tkr*| �dt ��|S )�Read line from remote.� zgot more than %d bytes)r� �readline�_MAXLINE�lenr? �rT �liner= r= r> r� 8 s zIMAP4.readlinec C s t �d| |� | j�|� dS )�Send data to remote.z imaplib.sendN)r{ r| r� Zsendall�rT �datar= r= r> �send@ s z
IMAP4.sendc
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r^ } z"|jtjkrNt |dd�dkrN� W 5 d}~X Y nX W 5 | j�� X dS )� Close I/O established in "open".Zwinerrorr i&' N)
r� �closer� rQ r} Z SHUT_RDWRrR �errnoZENOTCONNrq )rT �excr= r= r> rQ F s
�zIMAP4.shutdownc C s | j S )zfReturn socket instance used to connect to IMAP4 server.
socket = .socket()
)r� rb r= r= r> r} V s z IMAP4.socketc C sB d}| � ddg|�\}}|d r(||fS | �� \}}| � |||�S )a Return most recent 'RECENT' responses if any exist,
else prompt server for an update using the 'NOOP' command.
(typ, [data]) = .recent()
'data' is None if no new messages,
else list of RECENT responses, most recent last.
ZRECENTre N�����)�_untagged_response�noop�rT �name�typ�datr= r= r> �recentb s z IMAP4.recentc C s | � |dg|�� �S )z�Return data for response 'code' if received, or None.
Old value for response 'code' is cleared.
(code, [data]) = .response(code)
N)r� �upper)rT �coder= r= r> �responses s zIMAP4.responsec C sx d}|s d}|r.|d |d fdkr2d| }nd}|r@t |�}nd}t�t|�}| jrbd| d }|| _| �||||�S )
z�Append message to named mailbox.
(typ, [data]) = .append(mailbox, flags, date_time, message)
All args except `message' can be None.
r �INBOXr r� ��(�)�(%s)Ns UTF8 (� ))r �MapCRLF�sub�CRLFrY rF �_simple_command)rT �mailbox�flags� date_time�messager� rF r= r= r> �append� s
z IMAP4.appendc C sP |� � }t|�j| _| �d|�\}}|dkrB| �|d �dd���d| _||fS )as Authenticate command - requires response processing.
'mechanism' specifies which authentication mechanism is to
be used - it must appear in .capabilities in the
form AUTH=.
'authobject' must be a callable object:
data = authobject(response)
It will be called to process server continuation responses; the
response argument it is passed will be a bytes. It should return bytes
data that will be base64 encoded and sent to the server. It should
return None if the client abort response '*' should be sent instead.
r re r� rc �replacer )r� �_Authenticator�processrF r� r? �decoderE )rT Z mechanismZ
authobject�mechr� r� r= r= r> � authenticate� s zIMAP4.authenticatec C s d}| � |�\}}| �|||�S )zT(typ, [data]) = .capability()
Fetch capabilities list from server.r �r� r� r� r= r= r> �
capability� s zIMAP4.capabilityc C s
| � d�S )zRCheckpoint mailbox on server.
(typ, [data]) = .check()
r �r� rb r= r= r> �check� s z IMAP4.checkc C s$ z| �d�\}}W 5 d| _ X ||fS )z�Close currently selected mailbox.
Deleted messages are removed from writable mailbox.
This is the recommended command before 'LOGOUT'.
(typ, [data]) = .close()
r r )rE r� �rT r� r� r= r= r> r� � s z IMAP4.closec C s | � d||�S )z�Copy 'message_set' messages onto end of 'new_mailbox'.
(typ, [data]) = .copy(message_set, new_mailbox)
r r� )rT � message_setZ new_mailboxr= r= r> �copy� s z
IMAP4.copyc C s | � d|�S )zPCreate new mailbox.
(typ, [data]) = .create(mailbox)
r r� �rT r� r= r= r> �create� s z IMAP4.createc C s | � d|�S )zPDelete old mailbox.
(typ, [data]) = .delete(mailbox)
r r� r� r= r= r> �delete� s z IMAP4.deletec C s | � d||�S )z�Delete the ACLs (remove any rights) set for who on mailbox.
(typ, [data]) = .deleteacl(mailbox, who)
r r� )rT r� �whor= r= r> � deleteacl� s zIMAP4.deleteaclc C sH d| j krt�d��| �d|�\}}|dkr@d|�� kr@| �� ||fS )zkSend an RFC5161 enable string to the server.
(typ, [data]) = .enable(capability)
r z Server does not support ENABLEre z UTF8=ACCEPT)rm r r? r� r� rd )rT r� r� r� r= r= r> �enable� s
z IMAP4.enablec C s d}| � |�\}}| �|||�S )z�Permanently remove deleted items from selected mailbox.
Generates 'EXPUNGE' response for each deleted message.
(typ, [data]) = .expunge()
'data' is list of 'EXPUNGE'd message numbers in order received.
r r� r� r= r= r> �expunge s z
IMAP4.expungec C s$ d}| � |||�\}}| �|||�S )a# Fetch (parts of) messages.
(typ, [data, ...]) = .fetch(message_set, message_parts)
'message_parts' should be a string of selected parts
enclosed in parentheses, eg: "(UID BODY[TEXT])".
'data' are tuples of message part envelope and data.
r r� )rT r� Z
message_partsr� r� r� r= r= r> �fetch s
z IMAP4.fetchc C s | � d|�\}}| �||d�S )zXGet the ACLs for a mailbox.
(typ, [data]) = .getacl(mailbox)
r ZACLr� �rT r� r� r� r= r= r> �getacl s z IMAP4.getaclc C s" | � d|||�\}}| �||d�S )za(typ, [data]) = .getannotation(mailbox, entry, attribute)
Retrieve ANNOTATIONs.r �
ANNOTATIONr� )rT r� �entryZ attributer� r� r= r= r> �
getannotation( s zIMAP4.getannotationc C s | � d|�\}}| �||d�S )z�Get the quota root's resource usage and limits.
Part of the IMAP4 QUOTA extension defined in rfc2087.
(typ, [data]) = .getquota(root)
r! �QUOTAr� )rT �rootr� r� r= r= r> �getquota0 s zIMAP4.getquotac C s@ | � d|�\}}| �||d�\}}| �||d�\}}|||gfS )z�Get the list of quota roots for the named mailbox.
(typ, [[QUOTAROOT responses...], [QUOTA responses]]) = .getquotaroot(mailbox)
r" r� Z QUOTAROOTr� )rT r� r� r� ZquotaZ quotarootr= r= r> � getquotaroot; s zIMAP4.getquotaroot�""�*c C s$ d}| � |||�\}}| �|||�S )z�List mailbox names in directory matching pattern.
(typ, [data]) = .list(directory='""', pattern='*')
'data' is list of LIST responses.
r$ r� �rT Z directory�patternr� r� r� r= r= r> �listF s z
IMAP4.listc C s< | � d|| �|��\}}|dkr.| �|d ��d| _||fS )z�Identify client using plaintext password.
(typ, [data]) = .login(user, password)
NB: 'password' will be quoted.
r% re r� r )r� �_quoter? rE )rT �user�passwordr� r� r= r= r> �loginR s
z IMAP4.loginc C s || | _ | _| �d| j�S )zr Force use of CRAM-MD5 authentication.
(typ, [data]) = .login_cram_md5(user, password)
zCRAM-MD5)r� r� r� �_CRAM_MD5_AUTH)rT r� r� r= r= r> �login_cram_md5` s zIMAP4.login_cram_md5c C sB ddl }t| jt�r | j�d�n| j}| jd |�||d��� S )z1 Authobject to use with CRAM-MD5 authentication. r Nrc � Zmd5)�hmac�
isinstancer� �str�encoder� ZHMACZ hexdigest)rT Z challenger� �pwdr= r= r> r� i s
�zIMAP4._CRAM_MD5_AUTHc C s$ d| _ | �d�\}}| �� ||fS )z|Shutdown connection to server.
(typ, [data]) = .logout()
Returns server 'BYE' response.
r )rE r� rQ r� r= r= r> rx q s z IMAP4.logoutc C s$ d}| � |||�\}}| �|||�S )z�List 'subscribed' mailbox names in directory matching pattern.
(typ, [data, ...]) = .lsub(directory='""', pattern='*')
'data' are tuples of message part envelope and data.
r& r� r� r= r= r> �lsub~ s z
IMAP4.lsubc C s | � d|�\}}| �||d�S )z�Show my ACLs for a mailbox (i.e. the rights that I have on mailbox).
(typ, [data]) = .myrights(mailbox)
r# r� r� r= r= r> �myrights� s zIMAP4.myrightsc C s d}| � |�\}}| �|||�S )zb Returns IMAP namespaces ala rfc2342
(typ, [data, ...]) = .namespace()
r' r� r� r= r= r> � namespace� s zIMAP4.namespacec C s
| � d�S )zFSend NOOP command.
(typ, [data]) = .noop()
r( r� rb r= r= r> r� � s z
IMAP4.noopc C s( d}| � |||||�\}}| �||d�S )z�Fetch truncated part of a message.
(typ, [data, ...]) = .partial(message_num, message_part, start, length)
'data' is tuple of message part envelope and data.
r) r r� )rT Z message_numZ message_part�startZlengthr� r� r� r= r= r> �partial� s z
IMAP4.partialc C s d}| � d|�S )z�Assume authentication as "user".
Allows an authorised administrator to proxy into any user's
mailbox.
(typ, [data]) = .proxyauth(user)
r* r� )rT r� r� r= r= r> � proxyauth� s zIMAP4.proxyauthc C s | � d||�S )zkRename old mailbox name to new.
(typ, [data]) = .rename(oldmailbox, newmailbox)
r+ r� )rT Z
oldmailboxZ
newmailboxr= r= r> �rename� s z IMAP4.renamec G sT d}|r2| j rt�d��| j|d|f|�� \}}n| j|f|�� \}}| �|||�S )z�Search mailbox for matching messages.
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r, z'Non-None charset not valid in UTF8 mode�CHARSET)rY r r? r� r� )rT �charsetZcriteriar� r� r� r= r= r> �search� s
z IMAP4.searchr� Fc C sv i | _ || _|rd}nd}| �||�\}}|dkr@d| _||fS d| _d| j krb|sb| �d| ��|| j �dd g�fS )
at Select a mailbox.
Flush all untagged responses.
(typ, [data]) = .select(mailbox='INBOX', readonly=False)
'data' is count of messages in mailbox ('EXISTS' response).
Mandated responses are ('FLAGS', 'EXISTS', 'RECENT', 'UIDVALIDITY'), so
other responses should be obtained via .response('FLAGS') etc.
r r- re r r � READ-ONLYz%s is not writable�EXISTSN)rH rJ r� rE rA �get)rT r� rA r� r� r� r= r= r> �select� s
�z IMAP4.selectc C s | � d|||�S )zZSet a mailbox acl.
(typ, [data]) = .setacl(mailbox, who, what)
r. r� )rT r� r� Zwhatr= r= r> �setacl� s z IMAP4.setaclc G s | j d|�� \}}| �||d�S )z_(typ, [data]) = .setannotation(mailbox[, entry, attribute]+)
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setannotation s zIMAP4.setannotationc C s | � d||�\}}| �||d�S )ziSet the quota root's resource limits.
(typ, [data]) = .setquota(root, limits)
r0 r� r� )rT r� Zlimitsr� r� r= r= r> �setquota s zIMAP4.setquotac G sF d}|d |d fdkr d| }| j |||f|�� \}}| �|||�S )z�IMAP4rev1 extension SORT command.
(typ, [data]) = .sort(sort_criteria, charset, search_criteria, ...)
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Nr2 zSSL support missingz TLS session already establishedzTLS not supported by serverre �Zserver_hostnamer Tz Couldn't establish TLS session)�HAVE_SSLr? rL r@ rm �ssl�_create_stdlib_contextr� � wrap_socketr� rU r� r� rk r� )rT � ssl_contextr� r� r� r= r= r> �starttls s&
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zIMAP4.starttlsc C s$ d}| � |||�\}}| �|||�S )zpRequest named status conditions for mailbox.
(typ, [data]) = .status(mailbox, names)
r3 r� )rT r� �namesr� r� r� r= r= r> �status7 s z IMAP4.statusc C s> |d |d fdkr d| }| � d|||�\}}| �||d�S )z�Alters flag dispositions for messages in mailbox.
(typ, [data]) = .store(message_set, command, flags)
r r� r� r� r4 r r� )rT r� �commandr� r� r� r= r= r> �storeC s z IMAP4.storec C s | � d|�S )zYSubscribe to new mailbox.
(typ, [data]) = .subscribe(mailbox)
r5 r� r� r= r= r> � subscribeN s zIMAP4.subscribec G s* d}| j |||f|�� \}}| �|||�S )z�IMAPrev1 extension THREAD command.
(type, [data]) = .thread(threading_algorithm, charset, search_criteria, ...)
r6 r� )rT Zthreading_algorithmr� r� r� r� r� r= r= r> �threadV s z IMAP4.threadc G s� |� � }|tkr | �d| ��| jt| krL| �d|| jd�t| �f ��d}| j||f|�� \}}|dkrt|}nd}| �|||�S )z�Execute "command arg ..." with messages identified by UID,
rather than message number.
(typ, [data]) = .uid(command, arg1, arg2, ...)
Returns response appropriate to 'command'.
z Unknown IMAP4 UID command: %s�9command %s illegal in state %s, only allowed in states %s�, r7 )r, r1 r6 r )r� rp r? rE �joinr� r� )rT r� ry r� r� r� r= r= r> �uid` s ��z IMAP4.uidc C s | � d|�S )z_Unsubscribe from old mailbox.
(typ, [data]) = .unsubscribe(mailbox)
r8 r� r� r= r= r> � unsubscribey s zIMAP4.unsubscribec G s, |� � }|tkr | jft|< | j|f|�� S )a Allow simple extension commands
notified by server in CAPABILITY response.
Assumes command is legal in current state.
(typ, [data]) = .xatom(name, arg, ...)
Returns response appropriate to extension command `name'.
)r� rp rE r� �rT r� ry r= r= r> �xatom� s
z IMAP4.xatomc C s8 |d kr d}| j }||kr*|| �|� n
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