AIL-framework/bin/exporter/MailExporter.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
"""
Importer Class
================
Import Content
"""
import os
import logging
import logging.config
import sys
from abc import ABC
from ssl import create_default_context
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# from flask import escape
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib import ail_logger
from exporter.abstract_exporter import AbstractExporter
from lib.ConfigLoader import ConfigLoader
# from lib.objects.abstract_object import AbstractObject
# from lib.Tracker import Tracker
logging.config.dictConfig(ail_logger.get_config(name='modules'))
class MailExporter(AbstractExporter, ABC):
def __init__(self, host=None, port=None, password=None, user='', sender='', cert_required=None, ca_file=None):
super().__init__()
config_loader = ConfigLoader()
self.logger = logging.getLogger(f'{self.__class__.__name__}')
if host:
self.host = host
self.port = port
else:
self.host = config_loader.get_config_str("Notifications", "sender_host")
self.port = config_loader.get_config_int("Notifications", "sender_port")
if password:
self.pw = password
else:
self.pw = config_loader.get_config_str("Notifications", "sender_pw")
if self.pw == 'None':
self.pw = None
if cert_required is not None:
self.cert_required = bool(cert_required)
self.ca_file = ca_file
else:
self.cert_required = config_loader.get_config_boolean("Notifications", "cert_required")
if self.cert_required:
self.ca_file = config_loader.get_config_str("Notifications", "ca_file")
else:
self.ca_file = None
if user:
self.user = user
else:
self.user = config_loader.get_config_str("Notifications", "sender_user")
if sender:
self.sender = sender
else:
self.sender = config_loader.get_config_str("Notifications", "sender")
# raise an exception if any of these is None
if (self.sender is None or
self.host is None or
self.port is None):
raise Exception('SMTP configuration (host, port, sender) is missing or incomplete!')
def get_smtp_client(self):
# try:
if self.pw is not None:
try:
smtp_server = smtplib.SMTP(self.host, self.port)
smtp_server.starttls()
except smtplib.SMTPNotSupportedError:
self.logger.info(f"The server {self.host}:{self.port} does not support the STARTTLS extension.")
if self.cert_required:
context = create_default_context(cafile=self.ca_file)
else:
context = None
smtp_server = smtplib.SMTP_SSL(self.host, self.port, context=context)
smtp_server.ehlo()
if self.user is not None:
smtp_server.login(self.user, self.pw)
else:
smtp_server.login(self.sender, self.pw)
else:
smtp_server = smtplib.SMTP(self.host, self.port)
return smtp_server
# except Exception as err:
# traceback.print_tb(err.__traceback__)
# self.logger.warning(err)
def _export(self, recipient, subject, body):
mime_msg = MIMEMultipart()
mime_msg['From'] = self.sender
mime_msg['To'] = recipient
mime_msg['Subject'] = subject
mime_msg.attach(MIMEText(body, 'plain'))
# try:
smtp_client = self.get_smtp_client()
smtp_client.sendmail(self.sender, recipient, mime_msg.as_string())
smtp_client.quit()
# except Exception as err:
# traceback.print_tb(err.__traceback__)
# self.logger.warning(err)
self.logger.info(f'Send notification: {subject} to {recipient}')
class MailExporterTracker(MailExporter):
def __init__(self, host=None, port=None, password=None, user='', sender=''):
super().__init__(host=host, port=port, password=password, user=user, sender=sender)
def export(self, tracker, obj, matches=[]):
tracker_type = tracker.get_type()
tracker_name = tracker.get_tracked()
description = tracker.get_description()
if not description:
description = tracker_name
subject = f'AIL Framework Tracker: {description}'
body = f"AIL Framework, New occurrence for {tracker_type} tracker: {tracker_name}\n"
body += f'Item: {obj.id}\nurl:{obj.get_link()}'
if matches:
body += '\n'
nb = 1
for match in matches:
body += f'\nMatch {nb}: {match[0]}\nExtract:\n{match[1]}\n\n'
nb += 1
else:
body = f"AIL Framework, New occurrence for {tracker_type} tracker: {tracker_name}\n"
body += f'Item: {obj.id}\nurl:{obj.get_link()}'
# print(body)
for mail in tracker.get_mails():
self._export(mail, subject, body)