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An IMAP4 protocol implementation
@author: Jp Calderone
To do::
Suspend idle timeout while server is processing
Use an async message parser instead of buffering in memory
Figure out a way to not queue multi-message client requests (Flow? A simple callback?)
Clarify some API docs (Query, etc)
Make APPEND recognize (again) non-existent mailboxes before accepting the literal
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NoSuchMailbox�NoSupportedAuthentication�ReadOnlyMailbox�UnhandledResponse) � IAccountIMAP�IClientAuthentication�ICloseableMailboxIMAP� IMailboxIMAP�IMailboxIMAPInfo�IMailboxIMAPListener� IMessageIMAP�IMessageIMAPCopier�IMessageIMAPFile�IMessageIMAPPart�INamespacePresenter�ISearchableIMAPMailbox)�basic�policies)�log�text)�_get_async_param�_matchingString� iterbytes� nativeString�
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Swap C{this} with C{that} if C{this} is C{ifIs}.
@param this: The object that may be replaced.
@param that: The object that may replace C{this}.
@param ifIs: An object whose identity will be compared to
C{this}.
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Swap each element in each pair in C{of} with C{that} it is
C{ifIs}.
@param of: A list of 2-L{tuple}s, whose members may be the object
C{that}
@type of: L{list} of 2-L{tuple}s
@param ifIs: An object whose identity will be compared to members
of each pair in C{of}
@return: A L{list} of 2-L{tuple}s with all occurences of C{ifIs}
replaced with C{that}
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MessageSeta
A set of message identifiers usable by both L{IMAP4Client} and
L{IMAP4Server} via L{IMailboxIMAP.store} and
L{IMailboxIMAP.fetch}.
These identifiers can be either message sequence numbers or unique
identifiers. See Section 2.3.1, "Message Numbers", RFC 3501.
This represents the C{sequence-set} described in Section 9,
"Formal Syntax" of RFC 3501:
- A L{MessageSet} can describe a single identifier, e.g.
C{MessageSet(1)}
- A L{MessageSet} can describe C{*} via L{None}, e.g.
C{MessageSet(None)}
- A L{MessageSet} can describe a range of identifiers, e.g.
C{MessageSet(1, 2)}. The range is inclusive and unordered
(see C{seq-range} in RFC 3501, Section 9), so that
C{Message(2, 1)} is equivalent to C{MessageSet(1, 2)}, and
both describe messages 1 and 2. Ranges can include C{*} by
specifying L{None}, e.g. C{MessageSet(None, 1)}. In all
cases ranges are normalized so that the smallest identifier
comes first, and L{None} always comes last; C{Message(2, 1)}
becomes C{MessageSet(1, 2)} and C{MessageSet(None, 1)}
becomes C{MessageSet(1, None)}
- A L{MessageSet} can describe a sequence of single
identifiers and ranges, constructed by addition.
C{MessageSet(1) + MessageSet(5, 10)} refers the message
identified by C{1} and the messages identified by C{5}
through C{10}.
B{NB: The meaning of * varies, but it always represents the
largest number in use}.
B{For servers}: Your L{IMailboxIMAP} provider must set
L{MessageSet.last} to the highest-valued identifier (unique or
message sequence) before iterating over it.
B{For clients}: C{*} consumes ranges smaller than it, e.g.
C{MessageSet(1, 100) + MessageSet(50, None)} is equivalent to
C{1:*}.
@type getnext: Function taking L{int} returning L{int}
@ivar getnext: A function that returns the next message number,
used when iterating through the L{MessageSet}. By default, a
function returning the next integer is supplied, but as this
can be rather inefficient for sparse UID iterations, it is
recommended to supply one when messages are requested by UID.
The argument is provided as a hint to the implementation and
may be ignored if it makes sense to do so (eg, if an iterator
is being used that maintains its own state, it is guaranteed
that it will not be called out-of-order).
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Create a new MessageSet()
@type start: Optional L{int}
@param start: Start of range, or only message number
@type end: Optional L{int}
@param end: End of range.
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The largest number in use.
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Replaces all occurrences of "*". This should be the
largest number in use. Must be set before attempting to
use the MessageSet as a container.
@raises ValueError: if a largest value has already been set.
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@type start: L{int}
@param start: Start of range, or only message number
@type end: Optional L{int}
@param end: End of range.
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single L{int}
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Is there a L{None} in our ranges?
L{MessageSet.clean} merges overlapping or consecutive ranges.
None is represents a value larger than any number. There are
thus two cases:
1. C{(x, *) + (y, z)} such that C{x} is smaller than C{y}
2. C{(z, *) + (x, y)} such that C{z} is larger than C{y}
(Other cases, such as C{y < x < z}, can be split into these
two cases; for example C{(y - 1, y)} + C{(x, x) + (z, z + 1)})
In case 1, C{* > y} and C{* > z}, so C{(x, *) + (y, z) = (x,
*)}
In case 2, C{z > x and z > y}, so the intervals do not merge,
and the ranges are sorted as C{[(x, y), (z, *)]}. C{*} is
represented as C{(*, *)}, so this is the same as 2. but with
a C{z} that is greater than everything.
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of them has to be the high element in the last tuple in
C{self.ranges}. That means checking if C{self.ranges[-1][-1]}
is L{None} suffices to check if I{any} element is L{None}.
@return: L{True} if L{None} is in some range in ranges and
L{False} if otherwise.
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@param value: Is this in our ranges?
@type value: L{int}
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argument. This special case exists to enable parsing empty
string literals.
@param line: A line that contains a string literal.
@type line: L{bytes}
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trailing data, or a L{Deferred} that fires with that
2-tuple
@rtype: L{tuple} of (L{bytes}, L{bytes}) or a L{Deferred}
@see: https://twistedmatrix.com/trac/ticket/9207
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@type final L{bool}
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zIMAP4Server.opt_charsetc C s, dd� | �� � d | j }| j|d� d S )Ns [CAPABILITY r� � ] )�message)r� �listCapabilities�IDENT�sendPositiveResponse�rZ �msgr= r= rA r * s z IMAP4Server.sendServerGreetingr� c C � | � d||� d S )N� BAD��_respond�rZ r� r� r= r= rA r4 . � zIMAP4Server.sendBadResponsec C r� )Nr� r� r� r= r= rA r� 1 r� z IMAP4Server.sendPositiveResponsec C r� )N� NOr� r� r= r= rA r7 4 r� z IMAP4Server.sendNegativeResponsec K s@ t |fi |��}|r| jd u r| �|d d � d S | j�|� d S rm )r6 r# r� r� rl )rZ r� �isAsync�kwargsr= r= rA r, 7 s z IMAP4Server.sendUntaggedResponse�! Ready for additional command textc C s$ |r | � d| � d S | � d� d S )Ns + � +�r r� r= r= rA rT > s z#IMAP4Server.sendContinuationRequestc C sp |dv r| j r| j }g | _ |D ] }| �|d d � q|s d}|r,| �d�|||f�� d S | �d�||f�� d S )N)r� r� r� � *r� )r� r� r r� )rZ r r� r� r� r� r= r= rA r� D s zIMAP4Server._respondc sT dg}| � � �� D ] \� }|d u r|�� � q t|�r'|�� fdd�|D �� q |S )Ns IMAP4rev1c s g | ]}� d | �qS )� =r= )rC r ��cr= rA rG W � z0IMAP4Server.listCapabilities.<locals>.<listcomp>)r �itemsrl r� rr )rZ �caps�vr= r� rA r� Q s �z IMAP4Server.listCapabilitiesc C s( | � dd�| �� � � | �|d� d S )Ns CAPABILITY r� s CAPABILITY completed)r, r� r� r� r� r= r= rA �
do_CAPABILITYZ s zIMAP4Server.do_CAPABILITYc C s$ | � d� | �|d� | j�� d S )Ns BYE Nice talking to yous LOGOUT successful)r, r� r� r r� r= r= rA � do_LOGOUTc s
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zIMAP4Server.do_AUTHENTICATEc C s* | j d u r
| �|d� d S | �||� d S )Ns Temporary authentication failure)�portalr7 �_setupChallenge)rZ r� r� r= r= rA r� ~ s
zIMAP4Server.authenticatec
C s� z|� � }W n ty% } z| �|dtt|�� � W Y d }~d S d }~ww t|�d d� }d| _t�� | _ | �
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| j|� d S )NrL rt rQ )� getChallenger+ r4 r: r� r r* r
rS r rT rC �_IMAP4Server__cbAuthChunkr �_IMAP4Server__ebAuthChunk)rZ r� r� � challenger. �codedr= r= rA r� � s &��
zIMAP4Server._setupChallengec C st zt |�}W n tjy td��w |�|� |�� r$| �||� d S | j�|d t ��
| j | j |fd |fd � d S )Nz Malformed Response - not base64)
r �binascii�Errorr � setResponse�moreChallengesr� r� �login�IAccount� addCallbacks�_IMAP4Server__cbAuthResp�_IMAP4Server__ebAuthResp)rZ rJ r� r� �uncodedr= r= rA �
__cbAuthChunk� s �
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zIMAP4Server.__cbAuthRespc C sN |� t�r
| �|d� d S |� t�r| �|d� d S | �|d� t�|� d S )Ns# Authentication failed: unauthorizeds+ Authentication failed: server misconfigureds' Server error: login failed unexpectedly)rM r r7 r r4 r4 r rN r= r= rA � __ebAuthResp� s
� zIMAP4Server.__ebAuthRespc C � | � |dtt|j�� � d S )Ns Authentication failed: )r7 r: r� rb rN r= r= rA �
__ebAuthChunk� � �zIMAP4Server.__ebAuthChunkc C s� | j r | �|d� d S | jr?| jr?| �|d� | j�| j� d| _ | j�� | _d| jvr1t | jd< d| jvr=t
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�zIMAP4Server.do_STARTTLSc C sB d| � � v r| �|d� d S t| j||��| j|��| j|� d S )Nr s! LOGIN is disabled before STARTTLS)r r4 r �authenticateLoginrC �_IMAP4Server__cbLoginr �_IMAP4Server__ebLogin)rZ r� �user�passwdr= r= rA �do_LOGIN� s �zIMAP4Server.do_LOGINc C s$ | j r| j �t�||�dt�S t� �)a�
Lookup the account associated with the given parameters
Override this method to define the desired authentication behavior.
The default behavior is to defer authentication to C{self.portal}
if it is not None, or to deny the login otherwise.
@type user: L{str}
@param user: The username to lookup
@type passwd: L{str}
@param passwd: The password to login with
N)r� r� r
�UsernamePasswordr� r )rZ r� r� r= r= rA r� � s
�z IMAP4Server.authenticateLoginc C sb |\}}}|t ur| �|d� t�d|�d�� d S || _|| _| �|d� d| _| �| j � d S )Ns- Server error: login returned unexpected valuez__cbLogin called with z, IAccount expecteds LOGIN succeededr� )
r� r4 r4 r r� r r� r r r� r� r= r= rA � __cbLogin� s
zIMAP4Server.__cbLoginc C sB |� t�r
| �|d� d S | �|dtt|j�� � t�|� d S )Ns LOGIN failedrL ) rM r r7 r4 r: r� rb r4 r rN r= r= rA � __ebLogin� s
�zIMAP4Server.__ebLoginc C s` d } }}t | jd �}|d ur |�� }|�� }|�� }| �dt|||g� � | �|d� d S )Ns
NAMESPACE s NAMESPACE command completed)r0 r� �getPersonalNamespaces�getSharedNamespacesr, �collapseNestedListsr� )rZ r� �personal�public�shared�npr= r= rA � do_NAMESPACE� s �zIMAP4Server.do_NAMESPACEc C s| | j r"| j �| � t| j d �}|d ur t|j��tj� d | _ d| _t |�}t| j
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_ebSelectWork)rZ r� �name�rw�cmdNamer r= r= rA � _selectWork s �zIMAP4Server._selectWorkc C s | � ||d � t�|� d S )Ns failed: Server error�r4 r4 r )rZ rO r� r� r= r= rA r� s zIMAP4Server._ebSelectWorkc C s� |d u r | � |d� d S ddd� |�� D �v r | � |d� d S dd� |�� D �}| �d|�� f � | �d|�� f � | �d d
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|| _ d S )Ns No such mailboxz \noselectc S � g | ]}|� � �qS r= )�lower�rC r� r= r= rA rG $ � z-IMAP4Server._cbSelectWork.<locals>.<listcomp>zMailbox cannot be selectedc S � g | ]}t |��qS r= �r: �rC �flagr= r= rA rG ( r� � %d EXISTS� %d RECENT� FLAGS (r� rm s [UIDVALIDITY %d]r� r� � [r� s successfulr� ) r7 �getFlagsr, �getMessageCount�getRecentCountr� r� �getUIDValidity� isWriteable� addListenerr r )rZ r r� r� r{ r� r= r= rA r� s
zIMAP4Server._cbSelectWorkr; � SELECTr � EXAMINEc C s" | � d � || _| j| _d| _d S )N�idle)rT �parseTagr* � lastStater� r= r= rA �do_IDLE: s
zIMAP4Server.do_IDLEc G s" | j | _| ` | �| jd� | `d S )Ns IDLE terminated)r� r* r� r� )rZ r� r= r= rA �
parse_idle@ s zIMAP4Server.parse_idlec
C s� t |�}z| j�|�}W n0 ty) } z| �|tt|��� W Y d }~d S d }~w ty< | �|d� t �
� Y d S w |rG| � |d� d S | �|d� d S )Ns/ Server error encountered while creating mailboxs Mailbox createds Mailbox not created) r� r� �creater r7 r: r� �
BaseExceptionr4 r4 r r� )rZ r� r� rJ r� r= r= rA � do_CREATEI s "� ��zIMAP4Server.do_CREATEc
C s� t |�}|�� dkr| �|d� d S z| j�|� W n1 ty8 } z| �|t|��d�� W Y d }~d S d }~w tyK | � |d� t
� � Y d S w | � |d� d S )N�inboxs You cannot delete the inbox� imap4-utf-7s/ Server error encountered while deleting mailboxs Mailbox deleted)
r� r� r7 r� �deleter r� �encoder� r4 r4 r r� �rZ r� r� rj r= r= rA � do_DELETE] s $� ��zIMAP4Server.do_DELETEc
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� � Y d S w | � |d� d S )Nc s � � | ]}t |�V qd S rm )r� )rC �nr= r= rA r� r � � z(IMAP4Server.do_RENAME.<locals>.<genexpr>r� s@ You cannot rename the inbox, or rename another mailbox to inbox.s Invalid command syntaxs/ Server error encountered while renaming mailboxs Mailbox renamed)
r� r7 r� �renamern r4 r r: r� r� r4 r r� )rZ r� �oldname�newnamerj r= r= rA � do_RENAMEq s( � "� ��zIMAP4Server.do_RENAMEc
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� Y d S w | � |d� d S )Ns5 Server error encountered while subscribing to mailboxs
Subscribed) r� r� � subscriber r7 r: r� r� r4 r4 r r� r r= r= rA � do_SUBSCRIBE� � "� ��zIMAP4Server.do_SUBSCRIBEc
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zIMAP4Server.do_UNSUBSCRIBEc C s< t |�}t |�}t| jj||��| j|||��| j|� d S rm )r� r r� �
listMailboxesrC � _cbListWorkr � _ebListWork)rZ r� �refr �subr� r= r= rA � _listWork� s
�zIMAP4Server._listWorkc
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rZ � mailboxesr� r r� r� �boxr{ �delim�respr= r= rA r � s ��zIMAP4Server._cbListWorkc C � | � |d� t�|� d S )Ns1 Server error encountered while listing mailboxes.r� rN r= r= rA r � � zIMAP4Server._ebListWorkr� r� c C sP g }|D ] }|� t|�� qt|�}t| jj|d��| j|||��| j |� d S r� )
rl r9 r� r r� r� rC �_cbStatusGotMailboxr �_ebStatusGotMailbox)rZ r� �mailboxr� � nativeNamesr� r= r= rA � do_STATUS� s
�zIMAP4Server.do_STATUSc C s@ |rt |j|��| j| j||fd ||fd � d S | �|d� d S )Ns Could not open mailbox)r �
requestStatusr� �_IMAP4Server__cbStatus�_IMAP4Server__ebStatusr7 )rZ r r� r" r� r= r= rA r � s � z IMAP4Server._cbStatusGotMailboxc C r �Ns/ Server error encountered while opening mailbox.r� rN r= r= rA r! � r z IMAP4Server._ebStatusGotMailboxc C sL t d�dd� |�� D ���}| �d|�d� d | d � | �|d� d S ) N� c S s g | ]}d | �qS )z%s %sr= �rC rO r= r= rA rG � r� z*IMAP4Server.__cbStatus.<locals>.<listcomp>� STATUS r� � (rm s STATUS complete)r: r� r� r, r r� )rZ �statusr� r r� r= r= rA �
__cbStatus� s
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__ebStatus� s �zIMAP4Server.__ebStatusc C s4 t |�}t| jj|��| j||||��| j|� d S rm )r� r r� r� rC �_cbAppendGotMailboxr �_ebAppendGotMailbox)rZ r� r" r{ r� r� r= r= rA � do_APPEND� �
�zIMAP4Server.do_APPENDc C sR |s
| � |d� d S dd� |D �}|�|||�}|�| j||� |�| j|� d S )Nz[TRYCREATE] No such mailboxc S r� r= �r9 r� r= r= rA rG r� z3IMAP4Server._cbAppendGotMailbox.<locals>.<listcomp>)r7 �
addMessagerC �_IMAP4Server__cbAppendr �_IMAP4Server__ebAppend)rZ r r� r{ r� r� � decodedFlagsr� r= r= rA r1 � s z IMAP4Server._cbAppendGotMailboxc C r r( r� rN r= r= rA r2 r z IMAP4Server._ebAppendGotMailboxc C s$ | � d|�� f � | �|d� d S )Nr� s APPEND complete)r, r� r� )rZ rJ r� r r= r= rA �
__cbAppend
s zIMAP4Server.__cbAppendc C r� )Ns APPEND failed: r/ rN r= r= rA �
__ebAppend r� zIMAP4Server.__ebAppendc C s> | � � }|d u r| �d |� d S |j| j| j|f|fd� d S )N)� callbackArgs� errbackArgs)�
checkpoint�_IMAP4Server__cbCheckr� �_IMAP4Server__ebCheck�rZ r� r� r= r= rA �do_CHECK s
�zIMAP4Server.do_CHECKc C s | � |d� d S )Ns CHECK completedr� �rZ rJ r� r= r= rA � __cbCheck! r� zIMAP4Server.__cbCheckc C r� )Ns CHECK failed: r/ rN r= r= rA � __ebCheck$ � zIMAP4Server.__ebCheckc C � dS )ah
Called when the client issues a CHECK command.
This should perform any checkpoint operations required by the server.
It may be a long running operation, but may not block. If it returns
a deferred, the client will only be informed of success (or failure)
when the deferred's callback (or errback) is invoked.
Nr= r^ r= r= rA r> ' s zIMAP4Server.checkpointc s� d }| j �� r
t| j j�}t| j d �� � d ur*|d ur%|�� fdd�� nt� j�}|d ur>|�| j| j |fd |fd � d S | �d |� d S )Nc � � � � S rm )r )rJ �r r= rA rP 9 rQ z&IMAP4Server.do_CLOSE.<locals>.<lambda>)
r r� r �expunger rC r r� �_IMAP4Server__cbClose�_IMAP4Server__ebCloserA r= rI rA �do_CLOSE2 s
zIMAP4Server.do_CLOSEc C s( | � |d� | j�| � d | _d| _d S )Ns CLOSE completedr� )r� r r r rC r= r= rA � __cbCloseC s
zIMAP4Server.__cbClosec C r� )Ns CLOSE failed: r/ rN r= r= rA � __ebCloseI rF zIMAP4Server.__ebClosec C sB | j �� rt| j j��| j| j|fd |fd � d S | �|d� d S )Ns$ EXPUNGE ignored on read-only mailbox)r r� r rJ r� �_IMAP4Server__cbExpunge�_IMAP4Server__ebExpunger7 r� r= r= rA �
do_EXPUNGEL s
�zIMAP4Server.do_EXPUNGEc C s* |D ]
}| � d|f � q| �|d� d S )Ns
%d EXPUNGEs EXPUNGE completed)r, r� )rZ rJ r� r. r= r= rA � __cbExpungeV s zIMAP4Server.__cbExpungec C �( | � |dtt|j�� � t�|� d S )Ns EXPUNGE failed: �r4 r: r� rb r4 r rN r= r= rA � __ebExpunge[ � �zIMAP4Server.__ebExpungec C s| t | jd �}|d ur!t|j||d��| j|| j|��| j|� d S td�}t| jj ||d��| j
|| j||��| j|� d S )N�r> s 1:*) �ISearchableMailboxr r rz rC �_IMAP4Server__cbSearchr �_IMAP4Server__ebSearchrt �fetch� _IMAP4Server__cbManualSearch)rZ r� �charsetrr r> �smr� r= r= rA � do_SEARCHa s ��zIMAP4Server.do_SEARCHc C sF |rt |j|�}td�dd� |D ���}| �d| � | �|d� d S )Nr) c S r� r= r� �rC rc r= r= rA rG t r� z*IMAP4Server.__cbSearch.<locals>.<listcomp>� SEARCH � SEARCH completed)r �getUIDr: r� r, r� )rZ rJ r� r r> �idsr= r= rA �
__cbSearchq s
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Apply the search filter to a set of messages. Send the response to the
client.
@type result: L{list} of L{tuple} of (L{int}, provider of
L{imap4.IMessage})
@param result: A list two tuples of messages with their sequence ids,
sorted by the ids in descending order.
@type tag: L{str}
@param tag: A command tag.
@type mbox: Provider of L{imap4.IMailbox}
@param mbox: The searched mailbox.
@type query: L{list}
@param query: A list representing the parsed form of the search query.
@param uid: A flag indicating whether the search is over message
sequence numbers or UIDs.
@type searchResults: L{list}
@param searchResults: The search results so far or L{None} if no
results yet.
Nr rt r; � s %d� ��reactorrb r� rc )rd rV �zip�range�
_searchFilterr� �deepcopyrl �twisted.internetrj � callLaterr] r, r� r� )
rZ rJ r� r rr r> �
searchResultsrc �lastSequenceId�
lastMessageId�msgIdr� rj r= r= rA �__cbManualSearchx s4 � � � z IMAP4Server.__cbManualSearchc C s" |r| � |||||�s
dS |sdS )a�
Pop search terms from the beginning of C{query} until there are none
left and apply them to the given message.
@param query: A list representing the parsed form of the search query.
@param id: The sequence number of the message being checked.
@param msg: The message being checked.
@type lastSequenceId: L{int}
@param lastSequenceId: The highest sequence number of any message in
the mailbox being searched.
@type lastMessageId: L{int}
@param lastMessageId: The highest UID of any message in the mailbox
being searched.
@return: Boolean indicating whether all of the query terms match the
message.
FT��_singleSearchStep)rZ rr �idr� rr rs r= r= rA rm � s
��zIMAP4Server._searchFilterc C s� |� d�}t|t�r| �|||||�sdS dS |�� }|dd� �� s,t||�}||v S t| dt|� d�} | du rBt dt|� ��|| j
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Pop one search term from the beginning of C{query} (possibly more than
one element) and return whether it matches the given message.
@param query: A list representing the parsed form of the search query.
@param msgId: The sequence number of the message being checked.
@param msg: The message being checked.
@param lastSequenceId: The highest sequence number of any message in
the mailbox being searched.
@param lastMessageId: The highest UID of any message in the mailbox
being searched.
@return: Boolean indicating whether the query term matched the message.
r FNr; �search_zInvalid search command %sT) r% rU rV rm r5 �isalphart r) r9 r �_requiresLastMessageInfo) rZ rr rt r� rr rs �qr� �
messageSetr- rJ r= r= rA rw � s(
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z IMAP4Server._singleSearchStepc C rG )aS
Returns C{True} if the message matches the ALL search key (always).
@type query: A L{list} of L{str}
@param query: A list representing the parsed query string.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
Tr= �rZ rr rx r� r= r= rA �
search_ALL s zIMAP4Server.search_ALLc C � d|� � v S )aA
Returns C{True} if the message has been answered.
@type query: A L{list} of L{str}
@param query: A list representing the parsed query string.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
� \Answered�r� r~ r= r= rA �search_ANSWERED s zIMAP4Server.search_ANSWEREDc C �0 |� dd��dd�}|�� �|�d��� �dkS )aR
Returns C{True} if the message has a BCC address matching the query.
@type query: A L{list} of L{str}
@param query: A list whose first element is a BCC L{str}
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
F�bcc� r rt ��
getHeaders�getr� ro r% )rZ rr rx r� r� r= r= rA �
search_BCC s zIMAP4Server.search_BCCc C s& t |�d��}tj�t|�� ��|k S r� )� parseTimer% �email�utils� parsedater9 �getInternalDate�rZ rr rx r� r� r= r= rA �
search_BEFORE, s zIMAP4Server.search_BEFOREc C � |� d��� }t�||�� d�S �Nr F�r% r� r5 �strFile� getBodyFile�rZ rr rx r� �bodyr= r= rA � search_BODY0 s zIMAP4Server.search_BODYc C r� )NF�ccr� r rt r� )rZ rr rx r� r� r= r= rA � search_CC4 � zIMAP4Server.search_CCc C r� �Nz\Deletedr� r~ r= r= rA �search_DELETED8 � zIMAP4Server.search_DELETEDc C r� �Nz\Draftr� r~ r= r= rA � search_DRAFT; r� zIMAP4Server.search_DRAFTc C r� �Nz\Flaggedr� r~ r= r= rA �search_FLAGGED> r� zIMAP4Server.search_FLAGGEDc C r� )NF�fromr� r rt r� )rZ rr rx r� �fmr= r= rA � search_FROMA r� zIMAP4Server.search_FROMc C s> |� d��� }|�d|��|d�}|�� �|� d��� �dkS )Nr Fr� rt )r% r� r� r� ro )rZ rr rx r� �hdrr= r= rA �
search_HEADERE s zIMAP4Server.search_HEADERc C � |� d� dS r� �r% r~ r= r= rA �search_KEYWORDJ �
zIMAP4Server.search_KEYWORDc C s t |�d��|�� k S r� �rd r% �getSizer~ r= r= rA �
search_LARGERN � zIMAP4Server.search_LARGERc C s d|� � v o d|� � vS )N�\Recent�\Seenr� r~ r= r= rA �
search_NEWQ s zIMAP4Server.search_NEWc C s |\}}| � |||||� S )a�
Returns C{True} if the message does not match the query.
@type query: A L{list} of L{str}
@param query: A list representing the parsed form of the search query.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
@param msg: The message being checked.
@type lastIDs: L{tuple}
@param lastIDs: A tuple of (last sequence id, last message id).
The I{last sequence id} is an L{int} containing the highest sequence
number of a message in the mailbox. The I{last message id} is an
L{int} containing the highest UID of a message in the mailbox.
rv )rZ rr rx r� �lastIDsrr rs r= r= rA �
search_NOTT s zIMAP4Server.search_NOTc C � d|� � vS �Nr� r� r~ r= r= rA �
search_OLDj r� zIMAP4Server.search_OLDc C s" t |�d��}tj�|�� �|kS r� �r� r% r� r� r� r� r� r= r= rA � search_ONm � zIMAP4Server.search_ONc C s4 |\}}| � |||||�}| � |||||�}|p|S )a�
Returns C{True} if the message matches any of the first two query
items.
@type query: A L{list} of L{str}
@param query: A list representing the parsed form of the search query.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
@param msg: The message being checked.
@type lastIDs: L{tuple}
@param lastIDs: A tuple of (last sequence id, last message id).
The I{last sequence id} is an L{int} containing the highest sequence
number of a message in the mailbox. The I{last message id} is an
L{int} containing the highest UID of a message in the mailbox.
rv ) rZ rr rx r� r� rr rs �a�br= r= rA � search_ORq s zIMAP4Server.search_ORc C r� r� r� r~ r= r= rA �
search_RECENT� r� zIMAP4Server.search_RECENTc C r� �Nr� r� r~ r= r= rA � search_SEEN� r� zIMAP4Server.search_SEENc C s2 |� dd��dd�}tj�|�}|t|�d��k S )a�
Returns C{True} if the message date is earlier than the query date.
@type query: A L{list} of L{str}
@param query: A list whose first element starts with a stringified date
that is a fragment of an L{imap4.Query()}. The date must be in the
format 'DD-Mon-YYYY', for example '03-March-2003' or '03-Mar-2003'.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
Fr� r� r �r� r� r� r� r� r� r% r� r= r= rA �search_SENTBEFORE� s z IMAP4Server.search_SENTBEFOREc C sB |� dd��dd�}tj�|�}|dd� t|�d��dd� kS )a�
Returns C{True} if the message date is the same as the query date.
@type query: A L{list} of L{str}
@param query: A list whose first element starts with a stringified date
that is a fragment of an L{imap4.Query()}. The date must be in the
format 'DD-Mon-YYYY', for example '03-March-2003' or '03-Mar-2003'.
@type msg: Provider of L{imap4.IMessage}
Fr� r� Nr/ r r� r� r= r= rA �
search_SENTON� s "zIMAP4Server.search_SENTONc C s2 |� dd��dd�}tj�|�}|t|�d��kS )a�
Returns C{True} if the message date is later than the query date.
@type query: A L{list} of L{str}
@param query: A list whose first element starts with a stringified date
that is a fragment of an L{imap4.Query()}. The date must be in the
format 'DD-Mon-YYYY', for example '03-March-2003' or '03-Mar-2003'.
@type msg: Provider of L{imap4.IMessage}
Fr� r� r r� r� r= r= rA �search_SENTSINCE� s z IMAP4Server.search_SENTSINCEc C s" t |�d��}tj�|�� �|kS r� r� r� r= r= rA � search_SINCE� r� zIMAP4Server.search_SINCEc C s t |�d��|�� kS r� r� r~ r= r= rA �search_SMALLER� r� zIMAP4Server.search_SMALLERc C r� )NF�subjectr� r rt r� )rZ rr rx r� �subjr= r= rA �search_SUBJECT� r� zIMAP4Server.search_SUBJECTc C r� r� r� r� r= r= rA � search_TEXT� s zIMAP4Server.search_TEXTc C r� )NF�tor� r rt r� )rZ rr rx r� r� r= r= rA � search_TO� r� zIMAP4Server.search_TOc C s( |\}}|� d�}t||�}|�� |v S )al
Returns C{True} if the message UID is in the range defined by the
search query.
@type query: A L{list} of L{bytes}
@param query: A list representing the parsed form of the search
query. Its first element should be a L{str} that can be interpreted
as a sequence range, for example '2:4,5:*'.
@type id: L{int}
@param id: The sequence number of the message being checked.
@type msg: Provider of L{imap4.IMessage}
@param msg: The message being checked.
@type lastIDs: L{tuple}
@param lastIDs: A tuple of (last sequence id, last message id).
The I{last sequence id} is an L{int} containing the highest sequence
number of a message in the mailbox. The I{last message id} is an
L{int} containing the highest UID of a message in the mailbox.
r )r% rt rd ) rZ rr rx r� r� rr rs r� rj r= r= rA �
search_UID� s
zIMAP4Server.search_UIDc C r� )Nr� r� r~ r= r= rA �search_UNANSWERED� r� z IMAP4Server.search_UNANSWEREDc C r� r� r� r~ r= r= rA �search_UNDELETED� r� z IMAP4Server.search_UNDELETEDc C r� r� r� r~ r= r= rA �search_UNDRAFT� r� zIMAP4Server.search_UNDRAFTc C r� r� r� r~ r= r= rA �search_UNFLAGGED� r� z IMAP4Server.search_UNFLAGGEDc C r� r� r� r~ r= r= rA �search_UNKEYWORD� r� z IMAP4Server.search_UNKEYWORDc C r� r� r� r~ r= r= rA �
search_UNSEEN� r� zIMAP4Server.search_UNSEENc C rT )Ns SEARCH failed: rU rN r= r= rA �
__ebSearch rW zIMAP4Server.__ebSearchc C sT |r"| � d �| _t| jj||d��t��| j|||��| j |� d S | �
|d� d S )NrX s FETCH complete) r � _oldTimeoutr r r\ rC �iter�_IMAP4Server__cbFetchr �_IMAP4Server__ebFetchr� )rZ r� �messagesrr r> r= r= rA �do_FETCH s ��zIMAP4Server.do_FETCHc s� �j d u rg �_ zt��\}}W n ty, ���j� �`���d� ��� Y d S w ��||� ���� ����fdd��� �j
� d S )Ns FETCH completedc s �� ��� ��S rm )r� �rA �rr �resultsrZ r� r> r= rA rP 4 s z'IMAP4Server.__cbFetch.<locals>.<lambda>) r# �next�
StopIterationr r� r� r' � spewMessagerC r �_IMAP4Server__ebSpewMessage)rZ r� r� rr r> rx r� r= r� rA � __cbFetch s
��zIMAP4Server.__cbFetchc C s t �|� | j�� d S rm )r4 r r� r �rZ rO r= r= rA �__ebSpewMessage7 s
zIMAP4Server.__ebSpewMessagec C s* |d u r| j j}|dtt|�g� � d S )Ns ENVELOPE )r� r� r� � getEnvelope�rZ rx r� �_w�_fr= r= rA �
spew_envelope? s zIMAP4Server.spew_envelopec C s< |d u r| j j}dd� |�� D �}|dd�|� d � d S )Nc S r� r= r� r� r= r= rA rG G r� z*IMAP4Server.spew_flags.<locals>.<listcomp>r� r� rm )r� �writenr� r� )rZ rx r� r� r� � encodedFlagsr= r= rA �
spew_flagsD s zIMAP4Server.spew_flagsc
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rZ rx r� r� r� �idate�ttup�strdate�odate�signr= r= rA �spew_internaldateJ s.
�(���z IMAP4Server.spew_internaldatec C s2 |d u r| j j}t|�d��}|dt|� � d S )NTs RFC822.HEADER )r� r� �_formatHeadersr� �_literal)rZ rx r� r� r� �hdrsr= r= rA �spew_rfc822headere s z IMAP4Server.spew_rfc822headerc C s2 |d u r| j j}|d� |� t|�� ��| j �S )Ns RFC822.TEXT )r� r� � FileProducerr� �beginProducingr� r= r= rA �spew_rfc822textk s
zIMAP4Server.spew_rfc822textc C �& |d u r| j j}|d|�� f � d S )Ns RFC822.SIZE %d)r� r� r� r� r= r= rA �spew_rfc822sizer � zIMAP4Server.spew_rfc822sizec C sZ |d u r| j j}|d� |� t|d �}|d ur"t|�� ��| j �S t|d | j��| j �S )Ns RFC822 )r� r� � IMessageFiler �openr �MessageProducerr� )rZ rx r� r� r� �mfr= r= rA � spew_rfc822w s
�zIMAP4Server.spew_rfc822c C r )Ns UID %d)r� r� rd r� r= r= rA �spew_uid� r zIMAP4Server.spew_uidc C s |dt t|d�g� � d S )Ns BODYSTRUCTURE T)r� �getBodyStructurer� r= r= rA �spew_bodystructure� s z IMAP4Server.spew_bodystructurec C sp |d u r| j j}|jD ]}|�� r|�|�}q |dkr td��q |jrB|j|jjg|jj �R � }t
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zIMAP4Server.spewMessagec C s8 | � | j� | `t�|� | �|dtt|j�� � d S )Ns FETCH failed: )r r� r4 r r4 r: r� rb rN r= r= rA � __ebFetch� s
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r� r r r
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@ivar state: A string representing the state the connection is currently
in.
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zIMAP4Client.__init__c C s || j |�� �� < dS )a�
Register a new form of authentication
When invoking the authenticate() method of IMAP4Client, the first
matching authentication scheme found will be used. The ordering is
that in which the server lists support authentication schemes.
@type auth: Implementor of C{IClientAuthentication}
@param auth: The object to use to perform the client
side of this authentication scheme.
N)r� �getNamer5 )rZ r� r= r= rA �registerAuthenticator� s z!IMAP4Client.registerAuthenticatorc C s� | j dkr | �� | jt|�8 _| jdkr | j�|� d S d}| jdk r5|d | j� || jd � }}| j�|� | j}d | _d | _|�dd� | j�|� � � | �
|� d�� d S )Nr r� �
) r r � _pendingSizer� �_pendingBufferr� r� r� rl �readr! �lstrip)rZ r� r� r8 r= r= rA r" � s
zIMAP4Client.rawDataReceivedc C sD | � |�| _|| _| jd u r|dg| _n| j�|dg� | �� d S )Nr� )� messageFiler� r� r� rr rU )rZ r8 �octetsr= r= rA �_setupForLiteral� s
z IMAP4Client._setupForLiteralc C s | j dkr
| �| j � d S d S r� )r r r^ r= r= rA r � s
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| �d� | jdur | j}d| _|D ]}|j�|� q| jdurA| j}d| _|�� D ]}|dur@|jdur@|j�|� q/dS dS )z,
We are no longer connected
r N)r r r� r
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��zIMAP4Client.connectionLostc C s� | j dkr | �� |�d�}|dkrN||d d� }|�d�rNz
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Attempt to parse a single line from the server.
@type line: L{bytes}
@param line: The line from the server, without the line delimiter.
@raise IllegalServerResponse: If the line or some part of the line
does not represent an allowed message from the server at this time.
r r_ rt r; Nr` r� )r r �rfindr# rd r` r r� r3 r� r� �_regularDispatchrl r� r6 )rZ r� �lastPartr� �partsr� r8 r= r= rA r$ � s,
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r� �
TIMEOUT_ERRORr� r� r )rZ r� r9 r= r= rA r
s
�z IMAP4Client.timeoutConnectionc C s: |� d d�}t|�dkr|�d� |\}}| �||� d S )Nr; r� r� )r3 r� rl r6 )rZ r� r� r� r8 r= r= rA r�
s
z IMAP4Client._regularDispatchc C s || j kr t�� S t� S )a8
Create a file to which an incoming message may be written.
@type octets: L{int}
@param octets: The number of octets which will be written to the file
@rtype: Any object which implements C{write(string)} and
C{seek(int, int)}
@return: A file-like object
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zIMAP4Client.messageFilec C s" d| j �d�}| j d7 _ |S )Nz%0.4X�asciir; )�tagIDr r� r= r= rA �makeTag1
s zIMAP4Client.makeTagc C s� | j d u r | j}n t| d| j �� d �}|r2z|||� W d S ty1 t�� | j�� Y d S w t�d| j � d|�d|��� | j�� d S )N� response_zCannot dispatch: z, ) r �response_UNAUTHr) r5 r� r4 r r� r )rZ r� r8 r- r= r= rA r6 6
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� zIMAP4Client.dispatchCommandc C s� | j d u r]|�d d�\}}|�� dkrd| _ n|�� dkr!d| _ n
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Nr; r� r� s PREAUTHr� r� r� � ]rt ) r r3 r5 r� r r ro �serverGreeting� _IMAP4Client__cbCapabilitiesr� �_defaultHandler)rZ r� r8 r- r� r. r= r= rA r� E
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response_AUTH\
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||� d S d S )Nr; r r� Fr� Tr� r� r� r/ r� �FLAGSr= z Unhandled unsolicited response: ) r� rI rd �_parseFetchPairs�
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Request the capabilities available on this server.
This command is allowed in any state of connection.
@type useCache: C{bool}
@param useCache: Specify whether to use the capability-cache or to
re-retrieve the capabilities from the server. Server capabilities
should never change, so for normal use, this flag should never be
false.
@rtype: L{Deferred}
@return: A deferred whose callback will be invoked with a
dictionary mapping capability types to lists of supported
mechanisms, or to None if a support list is not applicable.
Nr� )r� �r� )� _capCacher
�succeedr� r� rC r� )rZ �useCacher9 r r� r= r= rA �getCapabilities�
s zIMAP4Client.getCapabilitiesc
C s� |\}}i }|D ],}|dd � D ]#}|� dd�}t|�dkr&|d d }} n|\}} |�|g ��| � qq|D ]
}|| d gkrDd ||< q7|| _|S )Nr; r� r )r3 r� r� rl r� )
rZ rJ r� �tagliner� r8 r r� �categoryrb r= r= rA �__cbCapabilities�
s � �z IMAP4Client.__cbCapabilitiesc C s" | � tddd��}|�| j� |S )a*
Inform the server that we are done with the connection.
This command is allowed in any state of connection.
@rtype: L{Deferred}
@return: A deferred whose callback will be invoked with None
when the proper server acknowledgement has been received.
s LOGOUT)s BYEr� )r� r� rC �_IMAP4Client__cbLogout�rZ r� r= r= rA r� �
s
zIMAP4Client.logoutc C s |\}}| j �� d S rm )r� r �rZ rJ r� r� r= r= rA �
__cbLogout�
s
zIMAP4Client.__cbLogoutc C s | � td��}|�| j� |S )a
Perform no operation.
This command is allowed in any state of connection.
@rtype: L{Deferred}
@return: A deferred whose callback will be invoked with a list
of untagged status updates the server responds with.
s NOOP)r� r� rC �_IMAP4Client__cbNoopr� r= r= rA �noop�
s
zIMAP4Client.noopc C s |\}}|S rm r= r� r= r= rA �__cbNoop�
s zIMAP4Client.__cbNoopc s� � j rJ d��|du r� �� }|du rt�td��S d� jvr&t�td��S t�� jd�}|du r8t�td��S � � t
d��}|� � j |� |� � fdd�� |S ) a:
Initiates a 'STARTTLS' request and negotiates the TLS / SSL
Handshake.
@param contextFactory: The TLS / SSL Context Factory to
leverage. If the contextFactory is None the IMAP4Client will
either use the current TLS / SSL Context Factory or attempt to
create a new one.
@type contextFactory: C{ssl.ClientContextFactory}
@return: A Deferred which fires when the transport has been
secured according to the given contextFactory, or which fails
if the transport cannot be secured.
z5Client and Server are currently communicating via TLSNzEIMAP4Client requires a TLS context to initiate the STARTTLS handshaker z:Server does not support secure communication via TLS / SSLzAIMAP4Client transport does not implement interfaces.ITLSTransportc rH rm �r� r� r^ r= rA rP 1 rQ z&IMAP4Client.startTLS.<locals>.<lambda>)
r �_getContextFactoryr
�failr r� r r r� r� r� rC � _startedTLS)rZ r� �tlsr� r= r^ rA r� s: ����
����zIMAP4Client.startTLSc C s2 | j du r
| �� }nt�| j �}|�| j|� |S )a2
Attempt to enter the authenticated state with the server
This command is allowed in the Non-Authenticated state.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if the authentication
succeeds and whose errback will be invoked otherwise.
N)r� r� r
r� rC � _IMAP4Client__cbAuthenticate)rZ �secretr� r= r= rA r� 4 s
zIMAP4Client.authenticatec s� |� dd�� � D ]}|�� �jv r"td|d�j||�}��|� S q�jr1t�t � �j�
� ��S � �fdd�}�� � }|� |� |�
�fdd�� |�
�j|� |S )Nr r= � AUTHENTICATEc s | � t� t�t� �j�� ��S rm )�trapr r
r� r# r� r )r ��authsrZ r= rA �
ebStartTLST s
�z0IMAP4Client.__cbAuthenticate.<locals>.ebStartTLSc rH rm r� r� r^ r= rA rP ] rQ z.IMAP4Client.__cbAuthenticate.<locals>.<lambda>)r� r5 r� r� � _IMAP4Client__cbContinueAuthr� r r
r� r# r r� r rC �_IMAP4Client__cbAuthTLS)rZ r� r� �schemer9 r� r� r= r� rA �__cbAuthenticateE s$ ���
z IMAP4Client.__cbAuthenticatec C s` zt |d �}W n tjy | �d� t|��w | j| }|�||�}| �t|��� � d S )N�
r� ) r r� r� r r r� �challengeResponser rc )rZ r8 r� r� r� r� r= r= rA �__cbContinueAutha s
�
z IMAP4Client.__cbContinueAuthc C sV |� dd�}|D ]}|�� | jv r"td|d| j||�}| �|� S qt|| j�� ��)Nr r= r� )r� r5 r� r� r� r� r# r )rZ r� r� r� r� r9 r= r= rA � __cbAuthTLSl s ��zIMAP4Client.__cbAuthTLSc C s t | j�}|�| j||� |S )a�
Authenticate with the server using a username and password
This command is allowed in the Non-Authenticated state. If the
server supports the STARTTLS capability and our transport supports
TLS, TLS is negotiated before the login command is issued.
A more secure way to log in is to use C{startTLS} or
C{authenticate} or both.
@type username: L{str}
@param username: The username to log in with
@type password: L{str}
@param password: The password to log in with
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if login is successful
and whose errback is invoked otherwise.
)r r� rC �_IMAP4Client__cbLoginCaps)rZ �username�passwordr� r= r= rA r� v s
zIMAP4Client.loginc C rG )z�
Called when the server has sent us a greeting.
@type caps: C{dict}
@param caps: Capabilities the server advertised in its greeting.
Nr= )rZ r� r= r= rA r� � � zIMAP4Client.serverGreetingc C sL | j d ur| j S zddlm} W n
ty Y d S w |�� }|jj|_|S )Nr )�ssl)r� ro r� � ImportError�ClientContextFactory�SSL� TLSv1_METHOD�method)rZ r� r� r= r= rA r� � s
�
z IMAP4Client._getContextFactoryc C s� d|v }t �| jd �d u}t �| jd �d u }| js1|r1|r1|r1| �� }|j| j| j||fd� |S |r8t �
d� d� t |�t |�f�}| �
td|��S )Nr )r< z5Server has no TLS support. logging in over cleartext!r� r� )r r r� r r r� r� �_IMAP4Client__cbLoginTLS�_IMAP4Client__ebLoginTLSr4 r� r� r� r� r� ) rZ r r� r� �tryTLS�tlsableTransport�nontlsTransportr� r� r= r= rA �
__cbLoginCaps� s �
zIMAP4Client.__cbLoginCapsc C s | j �|� d | _d| _|S )NT)r� r� r� r )rZ rJ r� r= r= rA r� � s zIMAP4Client._startedTLSc C s& d� t|�t|�f�}| �td|��S )Nr� r� )r� r� r� r� )rZ rJ r� r� r� r= r= rA � __cbLoginTLS� s zIMAP4Client.__cbLoginTLSc C s t �|� |S rm )r4 r r� r= r= rA � __ebLoginTLS� r� zIMAP4Client.__ebLoginTLSc C �* d}d}| � t||d��}|�| j� |S )a�
Retrieve information about the namespaces available to this account
This command is allowed in the Authenticated and Selected states.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with namespace
information. An example of this information is::
[[['', '/']], [], []]
which indicates a single personal namespace called '' with '/'
as its hierarchical delimiter, and no shared or user namespaces.
r� )r� r� )r� r� rC �_IMAP4Client__cbNamespace�rZ r9 r r� r= r= rA � namespace� �
zIMAP4Client.namespacec sd |\}}dd� � |D ] }t |�dkr'|d dkr'� fdd�|dd � D � S q
t�d � g g g gS )
Nc S s dd� | D �S )Nc S � g | ]}|� d ��qS )r� )�decode)rC �elementr= r= rA rG � r� zSIMAP4Client.__cbNamespace.<locals>._prepareNamespaceOrDelimiter.<locals>.<listcomp>r= )�
namespaceListr= r= rA � _prepareNamespaceOrDelimiter� � z?IMAP4Client.__cbNamespace.<locals>._prepareNamespaceOrDelimiterrh r r� c s* g | ]}|d u r
g n� fdd�|D ��qS )Nc � g | ]}� |��qS r= r= )rC rb �r� r= rA rG � r� z8IMAP4Client.__cbNamespace.<locals>.<listcomp>.<listcomp>r= )rC �
pairOrNoner r= rA rG � s ���z-IMAP4Client.__cbNamespace.<locals>.<listcomp>r; z*No NAMESPACE response to NAMESPACE command)r� r4 r )rZ rJ r� r_ r� r= r rA �
__cbNamespace� s
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zIMAP4Client.__cbNamespacec C �6 d}t |�}d}| �t|||d��}|�| jd� |S )a�
Select a mailbox
This command is allowed in the Authenticated and Selected states.
@type mailbox: L{str}
@param mailbox: The name of the mailbox to select
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with mailbox
information if the select is successful and whose errback is
invoked otherwise. Mailbox information consists of a dictionary
with the following L{str} keys and values::
FLAGS: A list of strings containing the flags settable on
messages in this mailbox.
EXISTS: An integer indicating the number of messages in this
mailbox.
RECENT: An integer indicating the number of "recent"
messages in this mailbox.
UNSEEN: The message sequence number (an integer) of the
first unseen message in the mailbox.
PERMANENTFLAGS: A list of strings containing the flags that
can be permanently set on messages in this mailbox.
UIDVALIDITY: An integer uniquely identifying this mailbox.
r� )r� �EXISTSr� r� �PERMANENTFLAGS� UIDVALIDITYr� r; ��_prepareMailboxNamer� r� rC �_IMAP4Client__cbSelect�rZ r" r9 r� r r� r= r= rA r� � s zIMAP4Client.selectc C r )a�
Select a mailbox in read-only mode
This command is allowed in the Authenticated and Selected states.
@type mailbox: L{str}
@param mailbox: The name of the mailbox to examine
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with mailbox
information if the examine is successful and whose errback
is invoked otherwise. Mailbox information consists of a dictionary
with the following keys and values::
'FLAGS': A list of strings containing the flags settable on
messages in this mailbox.
'EXISTS': An integer indicating the number of messages in this
mailbox.
'RECENT': An integer indicating the number of "recent"
messages in this mailbox.
'UNSEEN': An integer indicating the number of messages not
flagged \Seen in this mailbox.
'PERMANENTFLAGS': A list of strings containing the flags that
can be permanently set on messages in this mailbox.
'UIDVALIDITY': An integer uniquely identifying this mailbox.
r� )r� r� r� r� r� r� r� r r r r= r= rA �examine# s zIMAP4Client.examinec C s" zt |�W S ty t|��w )z�
Parse C{value} as an integer and return the result or raise
L{IllegalServerResponse} with C{phrase} as an argument if C{value}
cannot be parsed as an integer.
)rd r` r )rZ rb �phraser= r= rA � _intOrRaiseQ s
�zIMAP4Client._intOrRaisec C s� |\}}d|i}|� t|�� |D ]�}t|�dkr�|d �� dkr�|d }t|t�r/|d }n|}|�� }|dkr>d|d< q|dkrGd|d< q|d krV| �|d |�|d
< q|d kre| �|d |�|d < q|d
krt| �|d |�|d< q|dkr�tdd� |d D ��|d< qt� d|� �� qt|�dkr�|d �� dkr�tdd� |d D ��|d< qt|d t
�r�|d �� dkr�| �|d |�|d< q|d �� dkr�| �|d |�|d< qt� d |� �� qt� d |� �� qt� d |� �� q|S ) zy
Handle lines received in response to a SELECT or EXAMINE command.
See RFC 3501, section 6.3.1.
z
READ-WRITEr r� r; r� Fr� Tr� r r� r� r� �UIDNEXTr� c s r rm r5 r� r= r= rA r� | s �
�z)IMAP4Client.__cbSelect.<locals>.<genexpr>r z Unhandled SELECT response (2): r� r� c s r rm r5 r� r= r= rA r� � r r� r� r r� r� z Unhandled SELECT response (0): z Unhandled SELECT response (1): z Unhandled SELECT response (4): ) rl r� r� r5 rU rV r �tupler4 r �bytes) rZ rJ r� r� r� �datumr3 �contentrg r= r= rA �
__cbSelect\ sJ
� zIMAP4Client.__cbSelectc C � | � tdt|���S )a|
Create a new mailbox on the server
This command is allowed in the Authenticated and Selected states.
@type name: L{str}
@param name: The name of the mailbox to create.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if the mailbox creation
is successful and whose errback is invoked otherwise.
s CREATE�r� r� r
�rZ r� r= r= rA r� � �
zIMAP4Client.createc C r )ak
Delete a mailbox
This command is allowed in the Authenticated and Selected states.
@type name: L{str}
@param name: The name of the mailbox to delete.
@rtype: L{Deferred}
@return: A deferred whose calblack is invoked if the mailbox is
deleted successfully and whose errback is invoked otherwise.
s DELETEr r r= r= rA r� � r zIMAP4Client.deletec C s* t |�}t |�}| �tdd�||f���S )a�
Rename a mailbox
This command is allowed in the Authenticated and Selected states.
@type oldname: L{str}
@param oldname: The current name of the mailbox to rename.
@type newname: L{str}
@param newname: The new name to give the mailbox.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if the rename is
successful and whose errback is invoked otherwise.
s RENAMEr� )r
r� r� r� )rZ r r r= r= rA r � s zIMAP4Client.renamec C r )a�
Add a mailbox to the subscription list
This command is allowed in the Authenticated and Selected states.
@type name: L{str}
@param name: The mailbox to mark as 'active' or 'subscribed'
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if the subscription
is successful and whose errback is invoked otherwise.
s SUBSCRIBEr r r= r= rA r � r zIMAP4Client.subscribec C r )a{
Remove a mailbox from the subscription list
This command is allowed in the Authenticated and Selected states.
@type name: L{str}
@param name: The mailbox to unsubscribe
@rtype: L{Deferred}
@return: A deferred whose callback is invoked if the unsubscription
is successful and whose errback is invoked otherwise.
s UNSUBSCRIBEr r r= r= rA r � r zIMAP4Client.unsubscribec C sF d}d|� d|� d�� d�}d}| �t|||d��}|�| jd� |S )ap
List a subset of the available mailboxes
This command is allowed in the Authenticated and Selected
states.
@type reference: L{str}
@param reference: The context in which to interpret
C{wildcard}
@type wildcard: L{str}
@param wildcard: The pattern of mailbox names to match,
optionally including either or both of the '*' and '%'
wildcards. '*' will match zero or more characters and
cross hierarchical boundaries. '%' will also match zero
or more characters, but is limited to a single
hierarchical level.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a list of
L{tuple}s, the first element of which is a L{tuple} of
mailbox flags, the second element of which is the
hierarchy delimiter for this mailbox, and the third of
which is the mailbox name; if the command is unsuccessful,
the deferred's errback is invoked instead. B{NB}: the
delimiter and the mailbox name are L{str}s.
r� �"z" "r� )r� r� )r r� r� rC �_IMAP4Client__cbList)rZ � reference�wildcardr9 r� r r� r= r= rA rV � s zIMAP4Client.listc C sV d}|� d�}|� d�}d�d|d|dg�}d}| �t|||d��}|�| jd� |S ) aa
List a subset of the subscribed available mailboxes
This command is allowed in the Authenticated and Selected states.
The parameters and returned object are the same as for the L{list}
method, with one slight difference: Only mailboxes which have been
subscribed can be included in the resulting list.
r� r� r� r� r^ s " ")r� r� )r r� r� r� rC r ) rZ r r r9 �encodedReference�encodedWildcardr� r r� r= r= rA �lsub
s
�� zIMAP4Client.lsubc C s� |\}}g }|D ]8}t |�dkr@|d |kr@tdd� |d D ��|d< |d �d�|d< |d �d�|d< |�t|dd � �� q|S ) Nrh r c s r rm r5 r� r= r= rA r� +
r z'IMAP4Client.__cbList.<locals>.<genexpr>r; r� r� r/ )r� r r� rl )rZ rJ r� r� r_ r� r� r= r= rA �__cbList$
s
�zIMAP4Client.__cbListc C s i | ]}||� d ��qS )r� �r �rC r� r= r= rA �
<dictcomp>?
s
��zIMAP4Client.<dictcomp>�r� r� r r r� c s� d}t |�}zd�� fdd�|D ��}W n ty) tdt|�t� j� ����w d�|d|dg�}d }� �t|||d
��}|�� j � |S ) a7
Retrieve the status of the given mailbox
This command is allowed in the Authenticated and Selected states.
@type mailbox: L{str}
@param mailbox: The name of the mailbox to query
@type names: L{bytes}
@param names: The status names to query. These may be any number of:
C{'MESSAGES'}, C{'RECENT'}, C{'UIDNEXT'}, C{'UIDVALIDITY'}, and
C{'UNSEEN'}.
@rtype: L{Deferred}
@return: A deferred which fires with the status information if the
command is successful and whose errback is invoked otherwise. The
status information is in the form of a C{dict}. Each element of
C{names} is a key in the dictionary. The value for each key is the
corresponding response from the server.
r� r� c 3 s � | ]}� j | V qd S rm )� _statusNamesr# r^ r= rA r� c
s � z%IMAP4Client.status.<locals>.<genexpr>zUnknown names: r� r, rm )r� r� )
r
r� r� r` �setr& r� r� rC �_IMAP4Client__cbStatus)rZ r" r� r9 �preparedMailboxr� r r� r= r^ rA r- J
s � zIMAP4Client.statusc
s� |\}}i }|D ]7}|d dkr?|d � � fdd�t dt� �d�D �� � D ]\}}z||t|�< W q% ty> tt� ���w q|�� D ]3}| j�|�}|rwz
||| �||< W qD t yv } ztd| d || d t
| � ��d } ~ ww qD|S ) Nr r� r� c s g | ]
}� ||d � �qS )r� r= ra �r� r= rA rG s
� z*IMAP4Client.__cbStatus.<locals>.<listcomp>�(r) z): ) rl r� r9 �UnicodeDecodeErrorr rF r �STATUS_TRANSFORMATIONSr� r+ r� )
rZ rJ r� r_ r- r� r* r� r� r. r= r* rA r. m
s4 �� ����zIMAP4Client.__cbStatusr= c C s~ |� dd� |�� }|� dd� |rtdt|� �}nd}dd� |D �}dt|�d�|�||f }| �td |d
| j|��}|S ) a�
Add the given message to the given mailbox.
This command is allowed in the Authenticated and Selected states.
@type mailbox: L{str}
@param mailbox: The mailbox to which to add this message.
@type message: Any file-like object opened in B{binary mode}.
@param message: The message to add, in RFC822 format. Newlines
in this file should be \r\n-style.
@type flags: Any iterable of L{str}
@param flags: The flags to associated with this message.
@type date: L{str}
@param date: The date to associate with this message. This should
be of the format DD-MM-YYYY HH:MM:SS +/-HHMM. For example, in
Eastern Standard Time, on July 1st 2004 at half past 1 PM,
"01-07-2004 13:30:00 -0500".
@rtype: L{Deferred}
@return: A deferred whose callback is invoked when this command
succeeds or whose errback is invoked if it fails.
r r� z "%s"r� c S r� r= r� r� r= r= rA rG �
r� z&IMAP4Client.append.<locals>.<listcomp>s %b (%b)%b {%d}r� s APPENDr= ) r� �tellr: r9 r
r� r� r� � _IMAP4Client__cbContinueAppend) rZ r" r� r{ r� r� r� r9 r� r= r= rA rl �
s" ��zIMAP4Client.appendc C s t �� }|�|| jd ��| j�S rm )r2 �
FileSender�beginFileTransferr� rC � _IMAP4Client__cbFinishAppend)rZ r� r� r� r= r= rA �__cbContinueAppend�
s �z IMAP4Client.__cbContinueAppendc C s | � d� d S rT r� )rZ �foor= r= rA �__cbFinishAppend�
r z IMAP4Client.__cbFinishAppendc C � | � td��S )a
Tell the server to perform a checkpoint
This command is allowed in the Selected state.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked when this command
succeeds or whose errback is invoked if it fails.
s CHECK�r� r� r^ r= r= rA rM �
s
zIMAP4Client.checkc C r7 )a�
Return the connection to the Authenticated state.
This command is allowed in the Selected state.
Issuing this command will also remove all messages flagged \Deleted
from the selected mailbox if it is opened in read-write mode,
otherwise it indicates success by no messages are removed.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked when the command
completes successfully or whose errback is invoked if it fails.
s CLOSEr8 r^ r= r= rA r �
s zIMAP4Client.closec C r� )a�
Return the connection to the Authenticate state.
This command is allowed in the Selected state.
Issuing this command will perform the same actions as issuing the
close command, but will also generate an 'expunge' response for
every message deleted.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a list of the
'expunge' responses when this command is successful or whose errback
is invoked otherwise.
r� )r� r� )r� r� rC �_IMAP4Client__cbExpunger� r= r= rA rJ �
r� zIMAP4Client.expungec C sH |\}}g }|D ]}t |�dkr!|d dkr!|�| �|d |�� q|S )Nr� r; r� r )r� rl r )rZ rJ r� r_ re r� r= r= rA rS �
s �zIMAP4Client.__cbExpungerX c G sJ dd� |D �}|r dnd}d� |�}| �t|||fd��}|�| j� |S )a�
Search messages in the currently selected mailbox
This command is allowed in the Selected state.
Any non-zero number of queries are accepted by this method, as returned
by the C{Query}, C{Or}, and C{Not} functions.
@param uid: if true, the server is asked to return message UIDs instead
of message sequence numbers.
@type uid: L{bool}
@rtype: L{Deferred}
@return: A deferred whose callback will be invoked with a list of all
the message sequence numbers return by the search, or whose errback
will be invoked if there is an error.
c S r� )r� r" )rC rr r= r= rA rG
r� z&IMAP4Client.search.<locals>.<listcomp>s
UID SEARCHr� r� r� )r� r� r� rC �_IMAP4Client__cbSearch)rZ r> �queriesr9 r� r� r= r= rA rz �
s
zIMAP4Client.searchc sT |\}}g }|D ] � t � �dkr'� d dkr'|�� �fdd�� dd � D �� q|S )Nr r� c s g | ]}�� |� ��qS r= )r �rC r� �r� rZ r= rA rG r� z*IMAP4Client.__cbSearch.<locals>.<listcomp>r; )r� rr )rZ rJ r� r\ re r= r= rA rf s "�zIMAP4Client.__cbSearchc C � | j ||dd�S )aV
Retrieve the unique identifier for one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message sequence numbers to unique message identifiers, or whose
errback is invoked if there is an error.
r; )�useUIDr> ��_fetch�rZ r� r> r= r= rA �fetchUID � zIMAP4Client.fetchUIDc C r> )aH
Retrieve the flags for one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: The messages for which to retrieve flags.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to lists of flags, or whose errback is invoked if
there is an error.
r; )r? r{ r@ rB r= r= rA �
fetchFlags. rD zIMAP4Client.fetchFlagsc C r> )a�
Retrieve the internal date associated with one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: The messages for which to retrieve the internal date.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to date strings, or whose errback is invoked
if there is an error. Date strings take the format of
"day-month-year time timezone".
r; )r? � internaldater@ rB r= r= rA �fetchInternalDateB s z IMAP4Client.fetchInternalDatec C r> )a�
Retrieve the envelope data for one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: The messages for which to retrieve envelope
data.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of
message numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict
mapping message numbers to envelope data, or whose errback
is invoked if there is an error. Envelope data consists
of a sequence of the date, subject, from, sender,
reply-to, to, cc, bcc, in-reply-to, and message-id header
fields. The date, subject, in-reply-to, and message-id
fields are L{str}, while the from, sender, reply-to, to,
cc, and bcc fields contain address data as L{str}s.
Address data consists of a sequence of name, source route,
mailbox name, and hostname. Fields which are not present
for a particular address may be L{None}.
r; )r? �enveloper@ rB r= r= rA �
fetchEnvelopeW � zIMAP4Client.fetchEnvelopec C r> )a�
Retrieve the structure of the body of one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: The messages for which to retrieve body structure
data.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to body structure data, or whose errback is invoked
if there is an error. Body structure data describes the MIME-IMB
format of a message and consists of a sequence of mime type, mime
subtype, parameters, content id, description, encoding, and size.
The fields following the size field are variable: if the mime
type/subtype is message/rfc822, the contained message's envelope
information, body structure data, and number of lines of text; if
the mime type is text, the number of lines of text. Extension fields
may also be included; if present, they are: the MD5 hash of the body,
body disposition, body language.
r; )r? �
bodystructurer@ rB r= r= rA �fetchBodyStructuret rJ z IMAP4Client.fetchBodyStructurec C r> )a�
Retrieve the simplified body structure of one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: C{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to body data, or whose errback is invoked
if there is an error. The simplified body structure is the same
as the body structure, except that extension fields will never be
present.
r; )r? r� r@ rB r= r= rA �fetchSimplifiedBody� s z IMAP4Client.fetchSimplifiedBodyc C r> )a)
Retrieve one or more entire messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: C{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A L{Deferred} which will fire with a C{dict} mapping message
sequence numbers to C{dict}s giving message data for the
corresponding message. If C{uid} is true, the inner dictionaries
have a C{'UID'} key mapped to a L{str} giving the UID for the
message. The text of the message is a L{str} associated with the
C{'RFC822'} key in each dictionary.
r; )r? �rfc822r@ rB r= r= rA � fetchMessage� s zIMAP4Client.fetchMessagec C r> )a<
Retrieve headers of one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to dicts of message headers, or whose errback is
invoked if there is an error.
r; )r? � rfc822headerr@ rB r= r= rA � fetchHeaders� rD zIMAP4Client.fetchHeadersc C r> )aL
Retrieve body text of one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to file-like objects containing body text, or whose
errback is invoked if there is an error.
r; )r? �
rfc822textr@ rB r= r= rA � fetchBody� rD zIMAP4Client.fetchBodyc C r> )a6
Retrieve the size, in octets, of one or more messages
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to sizes, or whose errback is invoked if there is
an error.
r; )r? �
rfc822sizer@ rB r= r= rA � fetchSize� rD zIMAP4Client.fetchSizec C s | j ||dddddd�S )aV
Retrieve several different fields of one or more messages
This command is allowed in the Selected state. This is equivalent
to issuing all of the C{fetchFlags}, C{fetchInternalDate},
C{fetchSize}, C{fetchEnvelope}, and C{fetchSimplifiedBody}
functions.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to dict of the retrieved data values, or whose
errback is invoked if there is an error. They dictionary keys
are "flags", "date", "size", "envelope", and "body".
r; )r? r{ rF rT rH r� r@ rB r= r= rA � fetchFull� s �zIMAP4Client.fetchFullc C s | j ||ddddd�S )a.
Retrieve several different fields of one or more messages
This command is allowed in the Selected state. This is equivalent
to issuing all of the C{fetchFlags}, C{fetchInternalDate},
C{fetchSize}, and C{fetchEnvelope} functions.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to dict of the retrieved data values, or whose
errback is invoked if there is an error. They dictionary keys
are "flags", "date", "size", and "envelope".
r; )r? r{ rF rT rH r@ rB r= r= rA �fetchAll s �zIMAP4Client.fetchAllc C s | j ||dddd�S )a
Retrieve several different fields of one or more messages
This command is allowed in the Selected state. This is equivalent
to issuing all of the C{fetchFlags}, C{fetchInternalDate}, and
C{fetchSize} functions.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a dict mapping
message numbers to dict of the retrieved data values, or whose
errback is invoked if there is an error. They dictionary keys are
"flags", "date", and "size".
r; )r? r{ rF rT r@ rB r= r= rA � fetchFast4 s zIMAP4Client.fetchFastc
s� � fdd�� i }g }t |�} zt|�}W n ty! Y ||fS w zt|�}W n ty4 td|��w |dvr<d}n t|t�sDd}nt|�dkrMd}n|rYt|d t�rYd}nd}t|�}|�|� |r�t|�dk rd d
� |D �}|�|� |t |�f}n t|d �}d d
� |d D �} |�|| g� ||t | �ff}zt|�}W n ty� td|��w |�
d
�r�|� d�r�z
t |d d� � W n t
y� Y n"w t|�}|�|� ||f }zt|�}W n ty� td|��w � |�}|�|� |||< q)a�
Given the result of parsing a single I{FETCH} response, construct a
L{dict} mapping response keys to response values.
@param fetchResponseList: The result of parsing a I{FETCH} response
with L{parseNestedParens} and extracting just the response data
(that is, just the part that comes after C{"FETCH"}). The form
of this input (and therefore the output of this method) is very
disagreeable. A valuable improvement would be to enumerate the
possible keys (representing them as structured objects of some
sort) rather than using strings and tuples of tuples of strings
and so forth. This would allow the keys to be documented more
easily and would allow for a much simpler application-facing API
(one not based on looking up somewhat hard to predict keys in a
dict). Since C{fetchResponseList} notionally represents a
flattened sequence of pairs (identifying keys followed by their
associated values), collapsing such complex elements of this
list as C{["BODY", ["HEADER.FIELDS", ["SUBJECT"]]]} into a
single object would also greatly simplify the implementation of
this method.
@return: A C{dict} of the response data represented by C{pairs}. Keys
in this dictionary are things like C{"RFC822.TEXT"}, C{"FLAGS"}, or
C{("BODY", ("HEADER.FIELDS", ("SUBJECT",)))}. Values are entirely
dependent on the key with which they are associated, but retain the
same structured as produced by L{parseNestedParens}.
c s4 t | t�r
| �d�S t | t�r� fdd�| D �S d S )Nr� c r r= r= )rC �subthing��nativeStringResponser= rA rG u r� zNIMAP4Client._parseFetchPairs.<locals>.nativeStringResponse.<locals>.<listcomp>)rU r r� rV )�thingrZ r= rA r[ q s
�z:IMAP4Client._parseFetchPairs.<locals>.nativeStringResponseTs Not enough arguments)� BODYs BODY.PEEKFr� r c S r� r= r5 �rC r� r= r= rA rG � r� z0IMAP4Client._parseFetchPairs.<locals>.<listcomp>c S r� r= r5 r^ r= r= rA rG � r� r; � <� >rt )r� r� r� r rU rV r� r9 rl r r~ r# rd r` )
rZ �fetchResponseListr� � unstructured�
responsePartsrg rb �
hasSection� valueHead� valueTailr= rZ rA r� K s~ & `�
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�z IMAP4Client._parseFetchPairsc C s� |\}}i }|D ]-}t |�dkr5|d dkr5| �|d |�}||vr*|d g||< q|| d �|d � qi } i }
|�� D ]"\} } | �| d �\}
}|
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}i }t| �� �D ]I} | | } t| �� �D ]<}||vr�|dkr�| d || < t t || d ��D ]}|| d | dkr�|| d ||d �= nq�| d= | s�| | = qwqk|r�| �
|� |r�| S |S )Nr/ r; r� r r� r� ) r� r rr r� r� r� �updaterV r rl rM )rZ rJ �requestedParts�
structuredr� r_ �infor� rx r� � decodedInfo� messageIdr� �
structuredMap�unstructuredList� flagChangesr rc r= r= rA �_cbFetch� sJ � ���
zIMAP4Client._cbFetchc C s� d} |du r d}
nt |t�rt|�}
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r)d| } n|} | r@|dv r@|dur=dd�|� } nd} nd} |du rId}
nd ||f }
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�}| �t||dd��}|�| j dd� |S )a^
Retrieve a specific section of one or more messages
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@type headerType: L{str}
@param headerType: If specified, must be one of HEADER, HEADER.FIELDS,
HEADER.FIELDS.NOT, MIME, or TEXT, and will determine which part of
the message is retrieved. For HEADER.FIELDS and HEADER.FIELDS.NOT,
C{headerArgs} must be a sequence of header names. For MIME,
C{headerNumber} must be specified.
@type headerNumber: L{int} or L{int} sequence
@param headerNumber: The nested rfc822 index specifying the entity to
retrieve. For example, C{1} retrieves the first entity of the
message, and C{(2, 1, 3}) retrieves the 3rd entity inside the first
entity inside the second entity of the message.
@type headerArgs: A sequence of L{str}
@param headerArgs: If C{headerType} is HEADER.FIELDS, these are the
headers to retrieve. If it is HEADER.FIELDS.NOT, these are the
headers to exclude from retrieval.
@type peek: C{bool}
@param peek: If true, cause the server to not set the \Seen flag on
this message as a result of this command.
@type offset: L{int}
@param offset: The number of octets at the beginning of the result to
skip.
@type length: L{int}
@param length: The number of octets to retrieve.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a mapping of message
numbers to retrieved data, or whose errback is invoked if there is
an error.
z%s BODY%s[%s%s%s]%sNr� �.)z
HEADER.FIELDSzHEADER.FIELDS.NOTz (%s)r) z ()z<%d.%d>� UID FETCHr� z.PEEKr� �r� r� r= F)
rU rd r� r� r r r� r� rC rp )rZ r� r> �
headerType� headerNumber�
headerArgs�peek�offset�length�fmt�numberr �payload�extrar\ r9 r� r= r= rA �
fetchSpecific s2 7
zIMAP4Client.fetchSpecificc K s� t |��d�}|r dp d}d|v r|d= d|d< d|v r#|d= d|d< d |v r.|d = d|d
< d d � |D �}|d
d�dd � |D �� d }| �t||dd��}|�| jdd � |�� D �d� |S )Nr� rr r� rR T� rfc822.textrT � rfc822.sizerP �
rfc822.headerc S r� r= r� r� r= r= rA rG v r� z&IMAP4Client._fetch.<locals>.<listcomp>r, r� c S r� r= �r5 r� r= r= rA rG w r� rm rs r� c S r� r= r� )rC r� r= r= rA rG z r� )r� r r� r� r� rC rp r )rZ r� r? �termsr\ � encodedTermsr9 r� r= r= rA rA e s zIMAP4Client._fetchc C � | � |d|||�S )a
Set the flags for one or more messages.
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type flags: Any iterable of L{str}
@param flags: The flags to set
@type silent: L{bool}
@param silent: If true, cause the server to suppress its verbose
response.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a list of the
server's responses (C{[]} if C{silent} is true) or whose
errback is invoked if there is an error.
r� ��_store�rZ r� r{ r( r> r= r= rA �setFlags} � zIMAP4Client.setFlagsc C r� )a
Add to the set flags for one or more messages.
This command is allowed in the Selected state.
@type messages: C{MessageSet} or L{str}
@param messages: A message sequence set
@type flags: Any iterable of L{str}
@param flags: The flags to set
@type silent: C{bool}
@param silent: If true, cause the server to suppress its verbose
response.
@type uid: C{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a list of the
server's responses (C{[]} if C{silent} is true) or whose
errback is invoked if there is an error.
s +FLAGSr� r� r= r= rA �addFlags� r� zIMAP4Client.addFlagsc C r� )a
Remove from the set flags for one or more messages.
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type flags: Any iterable of L{str}
@param flags: The flags to set
@type silent: L{bool}
@param silent: If true, cause the server to suppress its verbose
response.
@type uid: L{bool}
@param uid: Indicates whether the message sequence set is of message
numbers or of unique message IDs.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a list of the
server's responses (C{[]} if C{silent} is true) or whose
errback is invoked if there is an error.
s -FLAGSr� r� r= r= rA � removeFlags� r� zIMAP4Client.removeFlagsc C s� t |��d�}dd� |D �}|r|d }|rdpd}d�||dd�|� d f�}| �t||d
d ��} d }
|s9d
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| �| j|
d� | S )Nr� c S r� r= r� r� r= r= rA rG � r� z&IMAP4Client._store.<locals>.<listcomp>s .SILENTs UID STORErD r� rl rm rs r� r= )r� T)r� r r� r� r� rC rp ) rZ r� r9 r( r{ r> r� r$ r� r� �expectedr= r= rA r� � s zIMAP4Client._storec C s> t |��d�}|r d}nd}d�|t|�g�}| �t||��S )a�
Copy the specified messages to the specified mailbox.
This command is allowed in the Selected state.
@type messages: L{MessageSet} or L{str}
@param messages: A message sequence set
@type mailbox: L{str}
@param mailbox: The mailbox to which to copy the messages
@type uid: C{bool}
@param uid: If true, the C{messages} refers to message UIDs, rather
than message sequence numbers.
@rtype: L{Deferred}
@return: A deferred whose callback is invoked with a true value
when the copy is successful, or whose errback is invoked if there
is an error.
r� s UID COPYrC r� )r� r r� r
r� r� )rZ r� r" r> r9 r� r= r= rA r� � s zIMAP4Client.copyc C rG �z Override meNr= rG r= r= rA rI � r� zIMAP4Client.modeChangedc C rG r� r= )rZ rK r= r= rA rM � r� zIMAP4Client.flagsChangedc C rG r� r= rN r= r= rA rQ r� zIMAP4Client.newMessagesrm �r; )r= NrU )r NNNNNN)r; r )ir� r� r� r� r
r� r� r� r r r r� r� r� � STATUS_CODESrd r. r� r] r� r" r� r r r$ r r� r� r� r6 r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r
r r r� r� r r r rV r r r& r- r( rl r0 r3 rM r rJ r9 rz r: rC rE rG rI rL rM rO rQ rS rU rV rW rX r� rp r~ rA r� r� r� r� r� rI rM rQ r= r= r= rA r� p s�
*
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Z
r� c C s6 t � }| �d�}|D ]�}d|v rl|�dd�\}}zH|dkr d}nt|�}|dkr+d}nt|�}|| u r<du r=t|�� |durE|dksM|durQ|dkrQt|��|pT|}|pX|}|�||� W q
tyk t|��w z|dkrtd}nt|�}|dur�|dkr�t|��W n ty� t|��w |�|p�|� q
|S )a�
Parse a message set search key into a C{MessageSet}.
@type s: L{bytes}
@param s: A string description of an id list, for example "1:3, 4:*"
@type lastMessageId: L{int}
@param lastMessageId: The last message sequence id or UID, depending on
whether we are parsing the list in UID or sequence id context. The
caller should pass in the correct value.
@rtype: C{MessageSet}
@return: A C{MessageSet} that contains the ids defined in the list
� ,� :r; r� Nr )rJ r3 rd r rX r` rr )r� rs rp r� r� rd re r= r= rA rt sF
� �� �rt )�ALL�ANSWERED�DELETED�DRAFT�FLAGGED�NEW�OLDr� �SEEN�
UNANSWERED� UNDELETED�UNDRAFT� UNFLAGGEDr� )�LARGER�SMALLER�UIDc K s: g }|� � }| r t|�}|D ]z}|| }|�� }|tv r$|r$|�|� q|dkr9|�|t|d �t|d �g� q|dksA|dkrOt�d|�}|�||g� q|t vrpt
|t �r[d}n
t
|t�rcd}nd}|�|||f g� qt
|t �r�|�|d |f g� q|�||� g� qt
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a
Create a query string
Among the accepted keywords are::
all : If set to a true value, search all messages in the
current mailbox
answered : If set to a true value, search messages flagged with
\Answered
bcc : A substring to search the BCC header field for
before : Search messages with an internal date before this
value. The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
body : A substring to search the body of the messages for
cc : A substring to search the CC header field for
deleted : If set to a true value, search messages flagged with
\Deleted
draft : If set to a true value, search messages flagged with
\Draft
flagged : If set to a true value, search messages flagged with
\Flagged
from : A substring to search the From header field for
header : A two-tuple of a header name and substring to search
for in that header
keyword : Search for messages with the given keyword set
larger : Search for messages larger than this number of octets
messages : Search only the given message sequence set.
new : If set to a true value, search messages flagged with
\Recent but not \Seen
old : If set to a true value, search messages not flagged with
\Recent
on : Search messages with an internal date which is on this
date. The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
recent : If set to a true value, search for messages flagged with
\Recent
seen : If set to a true value, search for messages flagged with
\Seen
sentbefore : Search for messages with an RFC822 'Date' header before
this date. The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
senton : Search for messages with an RFC822 'Date' header which is
on this date The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
sentsince : Search for messages with an RFC822 'Date' header which is
after this date. The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
since : Search for messages with an internal date that is after
this date.. The given date should be a string in the format
of 'DD-Mon-YYYY'. For example, '03-Mar-2003'.
smaller : Search for messages smaller than this number of octets
subject : A substring to search the 'subject' header for
text : A substring to search the entire message for
to : A substring to search the 'to' header for
uid : Search only the messages in the given message set
unanswered : If set to a true value, search for messages not
flagged with \Answered
undeleted : If set to a true value, search for messages not
flagged with \Deleted
undraft : If set to a true value, search for messages not
flagged with \Draft
unflagged : If set to a true value, search for messages not
flagged with \Flagged
unkeyword : Search for messages without the given keyword set
unseen : If set to a true value, search for messages not
flagged with \Seen
@type sorted: C{bool}
@param sorted: If true, the output will be sorted, alphabetically.
The standard does not require it, but it makes testing this function
easier. The default is zero, and this should be acceptable for any
application.
@rtype: L{str}
@return: The formatted query string
�HEADERr r; �KEYWORD� UNKEYWORDr� z"%s"z"%d"z%dr, r) �))r �_sortedr5 � _SIMPLE_BOOLrl rr r� �
_nonAtomREr �
_NO_QUOTESrU rJ rd r� r� )rh �kwargr9 r r* r� rz r= r= rA �QueryU s6 n "
r� c G sJ t | �dk r
t| ��t | �dkrd| S d| d � dt| dd� � � d�S ) z0
The disjunction of two or more queries
r� z
(OR %s %s)z(OR r r) r; Nr� )r� r �Or)r� r= r= rA r� � s
"r� c C s d| � d�S )zThe negation of a queryz(NOT r� r= )rr r= r= rA �Not� s r� c C sF | � dd�} |d u r| � dd�} n | � ddt�|� �} t�| tj�S )Nr� z(?:.*?)�%z(?:(?:[^%s])*?))�replacerV rX rW �I)r r r= r= rA �wildcardToRegexp� s
r� c C st | � � } g }g }d }}td| �}td| �}td| �}td| �}tt| ��D ]t\} }
|
|krV| rD| | d | � |krD|�� |�|� q&|sId}q&d}|�|�|�� g }q&|sl|sl|
|tj� d� vrld}|�|
� q&|r�|s�|
tj� d�v r�|�|�} | |kr�|�d � n|�| � g }d}q&|s�|r�|�|
� q&|r�t
| ��|r�|�|�} | |kr�|�d � |S |�| � |S )
a�
Split a string into whitespace delimited tokens
Tokens that would otherwise be separated but are surrounded by "
remain as a single token. Any token that is not quoted and is
equal to "NIL" is tokenized as L{None}.
@type s: L{bytes}
@param s: The string to be split
@rtype: L{list} of L{bytes}
@return: A list of the resulting tokens
@raise MismatchedQuoting: Raised if an odd number of quotes are present
Fr �\r� �NILr; Tr� N) rc r7 ra r8 r% rl r� �string�
whitespacer r ) r� rJ �word�inQuote�inWord�qu�escr �nilrc r� �wr= r= rA � splitQuoted sX
��
�
�r� c C sz g }|| d �}| d g}| dd � D ] }||�}||kr,|� || |�� |g}|}q|�|� q|� || |�� |S �Nr r; )rr rl )�sequence� predicate� transformersrJ r' �tmpr. r� r= r= rA �splitOnA s
r� c C s� g }d}dd� }dd� dd� d�}t | �D ]*\}}t|t�r9|dur1|�t| ||� ||�� d}|�t|�� q|du r?|}q|durQ|�t| |d� ||�� |S )a{
Turns a list of length-one strings and lists into a list of longer
strings and lists. For example,
['a', 'b', ['c', 'd']] is returned as ['ab', ['cd']]
@type results: L{list} of L{bytes} and L{list}
@param results: The list to be collapsed
@rtype: L{list} of L{bytes} and L{list}
@return: A new list which is the collapsed form of C{results}
Nc S s
t | t�S rm )rU r �r. r= r= rA rP a s
z!collapseStrings.<locals>.<lambda>c S s t d�| ��S rT )r� r� r� r= r= rA rP c s c S s d� dd� | D ��gS )Nr� c S s g | ]}|d �qS rU r= ra r= r= rA rG d r� z5collapseStrings.<locals>.<lambda>.<locals>.<listcomp>)r� r� r= r= rA rP d r� )r r; )ra rU rV rr r� rl �collapseStrings)r� r� �begun�pred�tranrc r� r= r= rA r� Q s$
�
�r� c C s� | � � } d}g g}z�d}t| �}||k r�| ||d � }|rG|dkr4|d �| ||d � � |d7 }q|dkr;| }|d �|� |d7 }n}|dkrZ|d �|� | }|d7 }nj|r�|dkr�| �d|�}|dkrntd ��t| |d |� �}|d �| |d
|d
| � f� |d
| }n3|d ks�|d kr�|�g � |d7 }n!|d
ks�|dkr�|d �|�� � |d7 }n |d �|� |d7 }||k sW n ty� t| ��w t|�dkr�t| ��t |d �S )ak
Parse an s-exp-like string into a more useful data structure.
@type s: L{bytes}
@param s: The s-exp-like string to parse
@rtype: L{list} of L{bytes} and L{list}
@return: A list containing the tokens present in the input.
@raise MismatchedNesting: Raised if the number or placement
of opening or closing parenthesis is invalid.
r r; ry rt r� r^ r_ r` ra r/ rl r� rm r� ���)
rc r� rl ro r` rd r% �
IndexErrorr r� ) r� �
handleLiteralr� � contentStackrc r� r� r\ � literalSizer= r= rA r� s sX
$
�� � r� c C s8 t d| �}t d| �}|| �||| ��||| � | S )Nr r� )r7 r� )r� r� r� r= r= rA r� � s
$r� r� r� c C s dt | �| f S )Ns {%d}
%b)r� �r� r= r= rA r� � r� r� c @ s" e Zd Zdd� Zdefdd�ZdS )r c C �
|| _ d S rm )rb )rZ rb r= r= rA r] � �
zDontQuoteMe.__init__r� c C s
t | j�S rm )r� rb r^ r= r= rA r� � r� zDontQuoteMe.__str__N)r� r� r� r] r� r� r= r= r= rA r � s r s (){ %*"c C sB | dkrdS t | �D ]}|dk s|dkr dS |tv r dS q
dS )Nr� r; r� � r )r8 �_ATOM_SPECIALS)r� r� r= r= rA � _needsQuote� s �r� c C s: t | t�r| S z| �d�W S ty t�� t| ��w )Nr� )rU r� r� r� r4 r r �r� r= r= rA r� � s
�r� c C s2 t | t�s
| �d�} | �d�} t| �rt| �S | S )Nr� r� )rU r� r� r r� r� r� r= r= rA r
� s
r
c C s0 t d| �}t d| �}|| v p|| v pt| �dkS )N�
�
i� )r7 r� )r� �cr�lfr= r= rA �
_needsLiteral� s
r� c C s g }| D ]�}t |t�r|�d�}|du r |�ddg� qt |t�r-|�dtt|��g� qt |t�r;|�d|jg� qt |t�r^t |�rT|�ddt
|�f t j |g� q|�dt
|�g� qt|d�rw|�� }|�ddt
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Turn a nested list structure into an s-exp-like string.
Strings in C{items} will be sent as literals if they contain CR or LF,
otherwise they will be quoted. References to None in C{items} will be
translated to the atom NIL. Objects with a 'read' attribute will have
it called on them with no arguments and the returned string will be
inserted into the output as a literal. Integers will be converted to
strings and inserted into the output unquoted. Instances of
C{DontQuoteMe} will be converted to strings and inserted into the output
unquoted.
This function used to be much nicer, and only quote things that really
needed to be quoted (and C{DontQuoteMe} did not exist), however, many
broken IMAP4 clients were unable to deal with this level of sophistication,
forcing the current behavior to be adopted for practical reasons.
@type items: Any iterable
@rtype: L{str}
r� Nr� s NILs {%d}r� rl rm r� r; )rU r� r rr rd r: r rb r r� r� r� � delimiterr� �hasattrr� r� r� )r� �piecesrc r� r= r= rA r� � s&
r� c @ s� e Zd ZdZdZdZdd� Zdd� Zd dd�Zd d
� Z d d � Z
d dd�Z dd� Z dd� Z
dd� Zdd� Zdd� Zdd� Zd d � ZdS ) � MemoryAccountWithoutNamespacesNr c C s || _ i | _g | _d S rm )r� r �
subscriptionsr r= r= rA r] r� z'MemoryAccountWithoutNamespaces.__init__c C s | j }| j d7 _ |S rM )�top_id)rZ rx r= r= rA �
allocateID# s z)MemoryAccountWithoutNamespaces.allocateIDc C sD t |�� �}|| jv rt|��|d u r| �|| �� �}|| j|< dS rM )r� r5 r r �
_emptyMailboxr� )rZ r� r r= r= rA �
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z)MemoryAccountWithoutNamespaces.addMailboxc C s� dd� |� d�D �}tdt|��D ]}z| �d�|d |� �� W q ty* Y qw z | �d�|�� W dS tyH |�d�sEY dS Y dS w )Nc S s g | ]}|r|�qS r= r= )rC �pathr= r= rA rG 5 r� z9MemoryAccountWithoutNamespaces.create.<locals>.<listcomp>�/r; FT)r3 rl r� r� r� r r# )rZ �pathspec�paths�accumr= r= rA r� 4 s � �
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Return a two-tuple of the main and subtype of the given message.
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Construct an appropriate type of message structure object for the given
message object.
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for the given message, determined by inspecting the MIME type of the
message.
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L{_MessageStructure} is a helper base class for message structure classes
representing the structure of particular kinds of messages, as defined by
their MIME type.
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@param message: An L{IMessagePart} provider which this structure object
reports on.
@param attrs: A C{dict} giving the parameters of the I{Content-Type}
header of the message.
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Parse a I{Content-Disposition} header into a two-sequence of the
disposition and a flattened list of its parameters.
@return: L{None} if there is no disposition header value, a L{list} with
two elements otherwise.
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@return: The I{Content-Type} parameters, unquoted, as a flat list with
each Nth element giving a parameter name and N+1th element giving
the corresponding parameter value.
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L{_SinglepartMessageStructure} represents the message structure of a
non-I{multipart/*} message.
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@param message: An L{IMessagePart} provider which this structure object
reports on.
@param main: A L{str} giving the main MIME type of the message (for
example, C{"text"}).
@param subtype: A L{str} giving the MIME subtype of the message (for
example, C{"plain"}).
@param attrs: A C{dict} giving the parameters of the I{Content-Type}
header of the message.
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z$_SinglepartMessageStructure.__init__c C sZ | j jdg| j�R � }| j �� }| j| j}}| �� }||||�d�|�d�|�d�|gS )zN
Return a list of the basic fields for a single-part message.
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Construct and return a list of the basic and extended fields for a
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BODYSTRUCTURE response.
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The extension data of a non-multipart body part are in the
following order:
1. body MD5
A string giving the body MD5 value as defined in [MD5].
2. body disposition
A parenthesized list with the same content and function as
the body disposition for a multipart body part.
3. body language
A string or parenthesized list giving the body language
value as defined in [LANGUAGE-TAGS].
4. body location
A string list giving the body content URI as defined in
[LOCATION].
Fz content-md5�content-disposition�content-language�content-location)r� r� rl r� r' �rZ rJ r r= r= rA r3 � s �z%_SinglepartMessageStructure._extendedN) r� r� r� r� r0 r] r2 r r3 r= r= r= rA r B s r c @ � e Zd ZdZdd� ZdS )r z_
L{_TextMessageStructure} represents the message structure of a I{text/*}
message.
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A body type of type TEXT contains, immediately after the basic
fields, the size of the body in text lines. Note that this
size is the size in its content transfer encoding and not the
resulting size after any decoding.
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L{_RFC822MessageStructure} represents the message structure of a
I{message/rfc822} message.
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A body type of type MESSAGE and subtype RFC822 contains,
immediately after the basic fields, the envelope structure,
body structure, and size in text lines of the encapsulated
message.
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L{_MultipartMessageStructure} represents the message structure of a
I{multipart/*} message.
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@param message: An L{IMessagePart} provider which this structure object
reports on.
@param subtype: A L{str} giving the MIME subtype of the message (for
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header of the message.
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Encode each sub-message and added the additional I{multipart} fields.
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The extension data of a multipart body part are in the following order:
1. body parameter parenthesized list
A parenthesized list of attribute/value pairs [e.g., ("foo"
"bar" "baz" "rag") where "bar" is the value of "foo", and
"rag" is the value of "baz"] as defined in [MIME-IMB].
2. body disposition
A parenthesized list, consisting of a disposition type
string, followed by a parenthesized list of disposition
attribute/value pairs as defined in [DISPOSITION].
3. body language
A string or parenthesized list giving the body language
value as defined in [LANGUAGE-TAGS].
4. body location
A string list giving the body content URI as defined in
[LOCATION].
Fr7 r8 r6 N)r� r� rl r, r' r� r9 r= r= rA r3 � s �z$_MultipartMessageStructure._extendedN)r� r� r� r� r] r> r r3 r= r= r= rA r � s
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RFC 3501, 7.4.2, BODYSTRUCTURE::
A parenthesized list that describes the [MIME-IMB] body structure of a
message. This is computed by the server by parsing the [MIME-IMB] header
fields, defaulting various fields as necessary.
For example, a simple text message of 48 lines and 2279 octets can have
a body structure of: ("TEXT" "PLAIN" ("CHARSET" "US-ASCII") NIL NIL
"7BIT" 2279 48)
This is represented as::
["TEXT", "PLAIN", ["CHARSET", "US-ASCII"], None, None, "7BIT", 2279, 48]
These basic fields are documented in the RFC as:
1. body type
A string giving the content media type name as defined in
[MIME-IMB].
2. body subtype
A string giving the content subtype name as defined in
[MIME-IMB].
3. body parameter parenthesized list
A parenthesized list of attribute/value pairs [e.g., ("foo"
"bar" "baz" "rag") where "bar" is the value of "foo" and
"rag" is the value of "baz"] as defined in [MIME-IMB].
4. body id
A string giving the content id as defined in [MIME-IMB].
5. body description
A string giving the content description as defined in
[MIME-IMB].
6. body encoding
A string giving the content transfer encoding as defined in
[MIME-IMB].
7. body size
A number giving the size of the body in octets. Note that this size is
the size in its transfer encoding and not the resulting size after any
decoding.
Put another way, the body structure is a list of seven elements. The
semantics of the elements of this list are:
1. Byte string giving the major MIME type
2. Byte string giving the minor MIME type
3. A list giving the Content-Type parameters of the message
4. A byte string giving the content identifier for the message part, or
None if it has no content identifier.
5. A byte string giving the content description for the message part, or
None if it has no content description.
6. A byte string giving the Content-Encoding of the message body
7. An integer giving the number of octets in the message body
The RFC goes on::
Multiple parts are indicated by parenthesis nesting. Instead of a body
type as the first element of the parenthesized list, there is a sequence
of one or more nested body structures. The second element of the
parenthesized list is the multipart subtype (mixed, digest, parallel,
alternative, etc.).
For example, a two part message consisting of a text and a
BASE64-encoded text attachment can have a body structure of: (("TEXT"
"PLAIN" ("CHARSET" "US-ASCII") NIL NIL "7BIT" 1152 23)("TEXT" "PLAIN"
("CHARSET" "US-ASCII" "NAME" "cc.diff")
"<960723163407.20117h@cac.washington.edu>" "Compiler diff" "BASE64" 4554
73) "MIXED")
This is represented as::
[["TEXT", "PLAIN", ["CHARSET", "US-ASCII"], None, None, "7BIT", 1152,
23],
["TEXT", "PLAIN", ["CHARSET", "US-ASCII", "NAME", "cc.diff"],
"<960723163407.20117h@cac.washington.edu>", "Compiler diff",
"BASE64", 4554, 73],
"MIXED"]
In other words, a list of N + 1 elements, where N is the number of parts in
the message. The first N elements are structures as defined by the previous
section. The last element is the minor MIME subtype of the multipart
message.
Additionally, the RFC describes extension data::
Extension data follows the multipart subtype. Extension data is never
returned with the BODY fetch, but can be returned with a BODYSTRUCTURE
fetch. Extension data, if present, MUST be in the defined order.
The C{extended} flag controls whether extension data might be returned with
the normal data.
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Consume an interator at most a single iteration per reactor iteration.
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until the Deferred fires, otherwise the next iteration will be taken
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@rtype: C{Deferred}
@return: A deferred which fires (with None) when the iterator is
exhausted or whose errback is called if there is an exception.
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@type buffer: file-like
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