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@@ -1,7 +1,6 @@
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# -*- coding: utf-8 -*-
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import time
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-import imaplib
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import json
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import typing
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from email import message_from_bytes
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@@ -13,6 +12,8 @@ from email.utils import parseaddr
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import filelock
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import markdown
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import requests
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+from imapclient import IMAPClient, FLAGGED, SEEN
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+
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from email_reply_parser import EmailReplyParser
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from tracim.lib.base import logger
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from tracim.lib.email_processing.parser import ParsedHTMLMail
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@@ -22,8 +23,8 @@ TRACIM_SPECIAL_KEY_HEADER = 'X-Tracim-Key'
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CONTENT_TYPE_TEXT_PLAIN = 'text/plain'
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CONTENT_TYPE_TEXT_HTML = 'text/html'
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-IMAP_SEEN_FLAG = '\\Seen'
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-IMAP_CHECKED_FLAG = '\\Flagged'
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+IMAP_SEEN_FLAG = SEEN
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+IMAP_CHECKED_FLAG = FLAGGED
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MAIL_FETCHER_FILELOCK_TIMEOUT = 10
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@@ -176,7 +177,6 @@ class MailFetcher(object):
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:param use_html_parsing: parse html mail
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:param use_txt_parsing: parse txt mail
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"""
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- self._connection = None
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self.host = host
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self.port = port
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self.user = user
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@@ -194,67 +194,31 @@ class MailFetcher(object):
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def run(self) -> None:
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logger.info(self, 'Starting MailFetcher')
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while self._is_active:
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- logger.debug(self, 'sleep for {}'.format(self.delay))
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- time.sleep(self.delay)
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try:
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- self._connect()
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+ imapc = IMAPClient(self.host, ssl=self.use_ssl)
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+ logger.debug(self, 'sleep for {}'.format(self.delay))
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+ time.sleep(self.delay)
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+ imapc.login(self.user, self.password)
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with self.lock.acquire(
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timeout=MAIL_FETCHER_FILELOCK_TIMEOUT
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):
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- messages = self._fetch()
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- cleaned_mails = [DecodedMail(m.message, m.uid)
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- for m in messages]
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- self._notify_tracim(cleaned_mails)
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- self._disconnect()
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+ messages = self._fetch(imapc)
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+ cleaned_mails = [DecodedMail(m.message, m.uid)
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+ for m in messages]
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+ self._notify_tracim(cleaned_mails, imapc)
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except filelock.Timeout as e:
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log = 'Mail Fetcher Lock Timeout {}'
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logger.warning(self, log.format(e.__str__()))
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except Exception as e:
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- # TODO - G.M - 2017-11-23 - Identify possible exceptions
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- log = 'IMAP error: {}'
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- logger.warning(self, log.format(e.__str__()))
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+ log = 'Mail Fetcher error {}'
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+ logger.error(self, log.format(e.__str__()))
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+ finally:
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+ imapc.logout()
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def stop(self) -> None:
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self._is_active = False
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- def _connect(self) -> None:
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- # TODO - G.M - 2017-11-15 Verify connection/disconnection
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- # Are old connexion properly close this way ?
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- if self._connection:
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- logger.debug(self, 'Disconnect from IMAP')
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- self._disconnect()
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- # TODO - G.M - 2017-11-23 Support for predefined SSLContext ?
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- # without ssl_context param, tracim use default security configuration
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- # which is great in most case.
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- if self.use_ssl:
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- logger.debug(self, 'Connect IMAP {}:{} using SSL'.format(
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- self.host,
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- self.port,
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- ))
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- self._connection = imaplib.IMAP4_SSL(self.host, self.port)
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- else:
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- logger.debug(self, 'Connect IMAP {}:{}'.format(
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- self.host,
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- self.port,
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- ))
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- self._connection = imaplib.IMAP4(self.host, self.port)
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-
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- try:
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- logger.debug(self, 'Login IMAP with login {}'.format(
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- self.user,
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- ))
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- self._connection.login(self.user, self.password)
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- except Exception as e:
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- log = 'Error during execution: {}'
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- logger.error(self, log.format(e.__str__()), exc_info=1)
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-
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- def _disconnect(self) -> None:
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- if self._connection:
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- self._connection.close()
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- self._connection.logout()
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- self._connection = None
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-
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- def _fetch(self) -> typing.List[MessageContainer]:
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+ def _fetch(self, imapclient: IMAPClient) -> typing.List[MessageContainer]:
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"""
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Get news message from mailbox
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:return: list of new mails
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@@ -264,67 +228,43 @@ class MailFetcher(object):
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logger.debug(self, 'Fetch messages from folder {}'.format(
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self.folder,
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))
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- rv, data = self._connection.select(self.folder)
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- logger.debug(self, 'Response status {}'.format(
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- rv,
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+
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+ imapclient.select_folder(self.folder)
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+ logger.debug(self, 'Fetch unseen messages')
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+ uids = imapclient.search(['UNSEEN'])
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+ logger.debug(self, 'Found {} unseen mails'.format(
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+ len(uids),
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+ ))
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+ imapclient.add_flags(uids, IMAP_SEEN_FLAG)
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+ logger.debug(self, 'Temporary Flag {} mails as seen'.format(
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+ len(uids),
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))
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- if rv == 'OK':
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- # get mails
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- # TODO - G.M - 2017-11-15 Which files to select as new file ?
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- # Unseen file or All file from a directory (old one should be
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- # moved/ deleted from mailbox during this process) ?
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- logger.debug(self, 'Fetch unseen messages')
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-
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- rv, data = self._connection.search(None, "(UNSEEN)")
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- logger.debug(self, 'Response status {}'.format(
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- rv,
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+ for msgid, data in imapclient.fetch(uids, ['BODY.PEEK[]']).items():
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+ # INFO - G.M - 2017-12-08 - Fetch BODY.PEEK[]
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+ # Retrieve all mail(body and header) but don't set mail
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+ # as seen because of PEEK
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+ # see rfc3501
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+ logger.debug(self, 'Fetch mail "{}"'.format(
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+ msgid,
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))
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- if rv == 'OK':
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- # get mail content
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- logger.debug(self, 'Found {} unseen mails'.format(
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- len(data[0].split()),
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- ))
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- for uid in data[0].split():
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- # INFO - G.M - 2017-12-08 - Fetch BODY.PEEK[]
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- # Retrieve all mail(body and header) but don't set mail
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- # as seen because of PEEK
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- # see rfc3501
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- logger.debug(self, 'Fetch mail "{}"'.format(
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- uid,
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- ))
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- rv, data = self._connection.fetch(uid, 'BODY.PEEK[]')
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- logger.debug(self, 'Response status {}'.format(
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- rv,
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- ))
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- if rv == 'OK':
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- msg = message_from_bytes(data[0][1])
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- msg_container = MessageContainer(msg, uid)
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- messages.append(msg_container)
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- self._set_flag(uid, IMAP_SEEN_FLAG)
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- else:
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- log = 'IMAP : Unable to get mail : {}'
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- logger.error(self, log.format(str(rv)))
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- else:
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- log = 'IMAP : Unable to get unseen mail : {}'
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- logger.error(self, log.format(str(rv)))
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- else:
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- log = 'IMAP : Unable to open mailbox : {}'
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- logger.error(self, log.format(str(rv)))
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+ msg = message_from_bytes(data[b'BODY[]'])
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+ msg_container = MessageContainer(msg, msgid)
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+ messages.append(msg_container)
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return messages
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def _notify_tracim(
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self,
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mails: typing.List[DecodedMail],
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+ imapc: IMAPClient
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) -> None:
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"""
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Send http request to tracim endpoint
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:param mails: list of mails to send
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- :return: unsended mails
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+ :return: none
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"""
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logger.debug(self, 'Notify tracim about {} new responses'.format(
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len(mails),
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))
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- unsended_mails = []
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# TODO BS 20171124: Look around mail.get_from_address(), mail.get_key()
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# , mail.get_body() etc ... for raise InvalidEmailError if missing
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# required informations (actually get_from_address raise IndexError
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@@ -357,64 +297,15 @@ class MailFetcher(object):
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))
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# Flag all correctly checked mail, unseen the others
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if r.status_code in [200, 204, 400]:
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- self._set_flag(mail.uid, IMAP_CHECKED_FLAG)
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+ imapc.add_flags((mail.uid,), IMAP_CHECKED_FLAG)
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else:
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- self._unset_flag(mail.uid, IMAP_SEEN_FLAG)
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+ imapc.remove_flags((mail.uid,), IMAP_SEEN_FLAG)
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# TODO - G.M - Verify exception correctly works
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except requests.exceptions.Timeout as e:
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log = 'Timeout error to transmit fetched mail to tracim : {}'
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logger.error(self, log.format(str(e)))
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- unsended_mails.append(mail)
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- self._unset_flag(mail.uid, IMAP_SEEN_FLAG)
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+ imapc.remove_flags((mail.uid,), IMAP_SEEN_FLAG)
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except requests.exceptions.RequestException as e:
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log = 'Fail to transmit fetched mail to tracim : {}'
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logger.error(self, log.format(str(e)))
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- self._unset_flag(mail.uid, IMAP_SEEN_FLAG)
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-
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- def _set_flag(
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- self,
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- uid: int,
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- flag: str,
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- ) -> None:
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- assert uid is not None
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-
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- rv, data = self._connection.store(
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- uid,
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- '+FLAGS',
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- flag,
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- )
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- if rv == 'OK':
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- log = 'Message {uid} set as {flag}.'.format(
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- uid=uid,
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- flag=flag)
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- logger.debug(self, log)
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- else:
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- log = 'Can not set Message {uid} as {flag} : {rv}'.format(
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- uid=uid,
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- flag=flag,
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- rv=rv)
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- logger.error(self, log)
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-
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- def _unset_flag(
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- self,
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- uid: int,
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- flag: str,
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- ) -> None:
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- assert uid is not None
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-
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- rv, data = self._connection.store(
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- uid,
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- '-FLAGS',
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- flag,
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- )
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- if rv == 'OK':
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- log = 'Message {uid} unset as {flag}.'.format(
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- uid=uid,
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- flag=flag)
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- logger.debug(self, log)
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- else:
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- log = 'Can not unset Message {uid} as {flag} : {rv}'.format(
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- uid=uid,
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- flag=flag,
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- rv=rv)
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- logger.error(self, log)
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+ imapc.remove_flags((mail.uid,), IMAP_SEEN_FLAG)
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