mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-16 23:04:54 +00:00
286 lines
11 KiB
Python
286 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
|
|
# Copyright (C) 2020 pwr
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import os
|
|
import smtplib
|
|
import ssl
|
|
import threading
|
|
import socket
|
|
import mimetypes
|
|
|
|
from io import StringIO
|
|
from email.message import EmailMessage
|
|
from email.utils import formatdate, parseaddr
|
|
from email.generator import Generator
|
|
from flask_babel import lazy_gettext as N_
|
|
|
|
from cps.services.worker import CalibreTask
|
|
from cps.services import gmail
|
|
from cps.embed_helper import do_calibre_export
|
|
from cps import logger, config
|
|
from cps import gdriveutils
|
|
import uuid
|
|
|
|
log = logger.create()
|
|
|
|
CHUNKSIZE = 8192
|
|
|
|
|
|
# Class for sending email with ability to get current progress
|
|
class EmailBase:
|
|
|
|
transferSize = 0
|
|
progress = 0
|
|
|
|
def data(self, msg):
|
|
self.transferSize = len(msg)
|
|
(code, resp) = smtplib.SMTP.data(self, msg)
|
|
self.progress = 0
|
|
return (code, resp)
|
|
|
|
def send(self, strg):
|
|
"""Send `strg' to the server."""
|
|
log.debug_no_auth('send: {}'.format(strg[:300]))
|
|
if hasattr(self, 'sock') and self.sock:
|
|
try:
|
|
if self.transferSize:
|
|
lock=threading.Lock()
|
|
lock.acquire()
|
|
self.transferSize = len(strg)
|
|
lock.release()
|
|
for i in range(0, self.transferSize, CHUNKSIZE):
|
|
if isinstance(strg, bytes):
|
|
self.sock.send((strg[i:i + CHUNKSIZE]))
|
|
else:
|
|
self.sock.send((strg[i:i + CHUNKSIZE]).encode('utf-8'))
|
|
lock.acquire()
|
|
self.progress = i
|
|
lock.release()
|
|
else:
|
|
self.sock.sendall(strg.encode('utf-8'))
|
|
except socket.error:
|
|
self.close()
|
|
raise smtplib.SMTPServerDisconnected('Server not connected')
|
|
else:
|
|
raise smtplib.SMTPServerDisconnected('please run connect() first')
|
|
|
|
@classmethod
|
|
def _print_debug(cls, *args):
|
|
log.debug(args)
|
|
|
|
def getTransferStatus(self):
|
|
if self.transferSize:
|
|
lock2 = threading.Lock()
|
|
lock2.acquire()
|
|
value = int((float(self.progress) / float(self.transferSize))*100)
|
|
lock2.release()
|
|
return value / 100
|
|
else:
|
|
return 1
|
|
|
|
|
|
# Class for sending email with ability to get current progress, derived from emailbase class
|
|
class Email(EmailBase, smtplib.SMTP):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
smtplib.SMTP.__init__(self, *args, **kwargs)
|
|
|
|
|
|
# Class for sending ssl encrypted email with ability to get current progress, , derived from emailbase class
|
|
class EmailSSL(EmailBase, smtplib.SMTP_SSL):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
smtplib.SMTP_SSL.__init__(self, *args, **kwargs)
|
|
|
|
|
|
class TaskEmail(CalibreTask):
|
|
def __init__(self, subject, filepath, attachment, settings, recipient, task_message, text, id=0, internal=False):
|
|
super(TaskEmail, self).__init__(task_message)
|
|
self.subject = subject
|
|
self.attachment = attachment
|
|
self.settings = settings
|
|
self.filepath = filepath
|
|
self.recipient = recipient
|
|
self.text = text
|
|
self.asyncSMTP = None
|
|
self.book_id = id
|
|
self.results = dict()
|
|
|
|
# from calibre code:
|
|
# https://github.com/kovidgoyal/calibre/blob/731ccd92a99868de3e2738f65949f19768d9104c/src/calibre/utils/smtp.py#L60
|
|
def get_msgid_domain(self):
|
|
try:
|
|
# Parse out the address from the From line, and then the domain from that
|
|
from_email = parseaddr(self.settings["mail_from"])[1]
|
|
msgid_domain = from_email.partition('@')[2].strip()
|
|
# This can sometimes sneak through parseaddr if the input is malformed
|
|
msgid_domain = msgid_domain.rstrip('>').strip()
|
|
except Exception:
|
|
msgid_domain = ''
|
|
return msgid_domain or 'calibre-web.com'
|
|
|
|
def prepare_message(self):
|
|
message = EmailMessage()
|
|
# message = MIMEMultipart()
|
|
message['From'] = self.settings["mail_from"]
|
|
message['To'] = self.recipient
|
|
message['Subject'] = self.subject
|
|
message['Date'] = formatdate(localtime=True)
|
|
message['Message-Id'] = "{}@{}".format(uuid.uuid4(), self.get_msgid_domain())
|
|
message.set_content(self.text.encode('UTF-8'), "text", "plain")
|
|
if self.attachment:
|
|
data = self._get_attachment(self.filepath, self.attachment)
|
|
if data:
|
|
# Set mimetype
|
|
content_type, encoding = mimetypes.guess_type(self.attachment)
|
|
if content_type is None or encoding is not None:
|
|
content_type = 'application/octet-stream'
|
|
main_type, sub_type = content_type.split('/', 1)
|
|
message.add_attachment(data, maintype=main_type, subtype=sub_type, filename=self.attachment)
|
|
else:
|
|
self._handleError("Attachment not found")
|
|
return
|
|
return message
|
|
|
|
def run(self, worker_thread):
|
|
try:
|
|
# create MIME message
|
|
msg = self.prepare_message()
|
|
if not msg:
|
|
return
|
|
if self.settings['mail_server_type'] == 0:
|
|
self.send_standard_email(msg)
|
|
else:
|
|
self.send_gmail_email(msg)
|
|
except MemoryError as e:
|
|
log.error_or_exception(e, stacklevel=3)
|
|
self._handleError('MemoryError sending e-mail: {}'.format(str(e)))
|
|
except (smtplib.SMTPException, smtplib.SMTPAuthenticationError) as e:
|
|
log.error_or_exception(e, stacklevel=3)
|
|
if hasattr(e, "smtp_error"):
|
|
text = e.smtp_error.decode('utf-8').replace("\n", '. ')
|
|
elif hasattr(e, "message"):
|
|
text = e.message
|
|
elif hasattr(e, "args"):
|
|
text = '\n'.join(e.args)
|
|
else:
|
|
text = ''
|
|
self._handleError('Smtplib Error sending e-mail: {}'.format(text))
|
|
except (socket.error) as e:
|
|
log.error_or_exception(e, stacklevel=3)
|
|
self._handleError('Socket Error sending e-mail: {}'.format(e.strerror))
|
|
except Exception as ex:
|
|
log.error_or_exception(ex, stacklevel=3)
|
|
self._handleError('Error sending e-mail: {}'.format(ex))
|
|
|
|
def send_standard_email(self, msg):
|
|
use_ssl = int(self.settings.get('mail_use_ssl', 0))
|
|
timeout = 600 # set timeout to 5mins
|
|
|
|
# on python3 debugoutput is caught with overwritten _print_debug function
|
|
log.debug("Start sending e-mail")
|
|
if use_ssl == 2:
|
|
context = ssl.create_default_context()
|
|
self.asyncSMTP = EmailSSL(self.settings["mail_server"], self.settings["mail_port"],
|
|
timeout=timeout, context=context)
|
|
else:
|
|
self.asyncSMTP = Email(self.settings["mail_server"], self.settings["mail_port"], timeout=timeout)
|
|
|
|
# link to logginglevel
|
|
if logger.is_debug_enabled():
|
|
self.asyncSMTP.set_debuglevel(1)
|
|
if use_ssl == 1:
|
|
context = ssl.create_default_context()
|
|
self.asyncSMTP.starttls(context=context)
|
|
if self.settings["mail_password_e"]:
|
|
self.asyncSMTP.login(str(self.settings["mail_login"]), str(self.settings["mail_password_e"]))
|
|
|
|
# Convert message to something to send
|
|
fp = StringIO()
|
|
gen = Generator(fp, mangle_from_=False)
|
|
gen.flatten(msg)
|
|
|
|
self.asyncSMTP.sendmail(self.settings["mail_from"], self.recipient, fp.getvalue())
|
|
self.asyncSMTP.quit()
|
|
self._handleSuccess()
|
|
log.debug("E-mail send successfully")
|
|
|
|
def send_gmail_email(self, message):
|
|
gmail.send_messsage(self.settings.get('mail_gmail_token', None), message)
|
|
self._handleSuccess()
|
|
|
|
@property
|
|
def progress(self):
|
|
if self.asyncSMTP is not None:
|
|
return self.asyncSMTP.getTransferStatus()
|
|
else:
|
|
return self._progress
|
|
|
|
@progress.setter
|
|
def progress(self, x):
|
|
"""This gets explicitly set when handle(Success|Error) are called. In this case, remove the SMTP connection"""
|
|
if x == 1:
|
|
self.asyncSMTP = None
|
|
self._progress = x
|
|
|
|
def _get_attachment(self, book_path, filename):
|
|
"""Get file as MIMEBase message"""
|
|
calibre_path = config.get_book_path()
|
|
extension = os.path.splitext(filename)[1][1:]
|
|
if config.config_use_google_drive:
|
|
df = gdriveutils.getFileFromEbooksFolder(book_path, filename)
|
|
if df:
|
|
datafile = os.path.join(calibre_path, book_path, filename)
|
|
if not os.path.exists(os.path.join(calibre_path, book_path)):
|
|
os.makedirs(os.path.join(calibre_path, book_path))
|
|
df.GetContentFile(datafile)
|
|
else:
|
|
return None
|
|
if config.config_binariesdir and config.config_embed_metadata:
|
|
data_path, data_file = do_calibre_export(self.book_id, extension)
|
|
datafile = os.path.join(data_path, data_file + "." + extension)
|
|
with open(datafile, 'rb') as file_:
|
|
data = file_.read()
|
|
os.remove(datafile)
|
|
else:
|
|
datafile = os.path.join(calibre_path, book_path, filename)
|
|
try:
|
|
if config.config_binariesdir and config.config_embed_metadata:
|
|
data_path, data_file = do_calibre_export(self.book_id, extension)
|
|
datafile = os.path.join(data_path, data_file + "." + extension)
|
|
with open(datafile, 'rb') as file_:
|
|
data = file_.read()
|
|
if config.config_binariesdir and config.config_embed_metadata:
|
|
os.remove(datafile)
|
|
except IOError as e:
|
|
log.error_or_exception(e, stacklevel=3)
|
|
log.error('The requested file could not be read. Maybe wrong permissions?')
|
|
return None
|
|
return data
|
|
|
|
@property
|
|
def name(self):
|
|
return N_("E-mail")
|
|
|
|
@property
|
|
def is_cancellable(self):
|
|
return False
|
|
|
|
def __str__(self):
|
|
return "E-mail {}, {}".format(self.name, self.subject)
|