119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
"""
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.. module: lemur.plugins.lemur_email.plugin
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:platform: Unix
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:copyright: (c) 2015 by Netflix Inc., see AUTHORS for more
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:license: Apache, see LICENSE for more details.
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.. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
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"""
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import boto3
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from flask import current_app
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from flask_mail import Message
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from lemur.extensions import smtp_mail
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from lemur.exceptions import InvalidConfiguration
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from lemur.plugins.bases import ExpirationNotificationPlugin
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from lemur.plugins import lemur_email as email
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from lemur.plugins.lemur_email.templates.config import env
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def render_html(template_name, message):
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"""
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Renders the html for our email notification.
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:param template_name:
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:param message:
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:return:
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"""
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template = env.get_template('{}.html'.format(template_name))
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return template.render(dict(message=message, hostname=current_app.config.get('LEMUR_HOSTNAME')))
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def send_via_smtp(subject, body, targets):
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"""
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Attempts to deliver email notification via SES service.
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:param subject:
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:param body:
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:param targets:
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:return:
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"""
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msg = Message(subject, recipients=targets, sender=current_app.config.get("LEMUR_EMAIL"))
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msg.body = "" # kinda a weird api for sending html emails
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msg.html = body
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smtp_mail.send(msg)
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def send_via_ses(subject, body, targets):
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"""
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Attempts to deliver email notification via SMTP.
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:param subject:
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:param body:
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:param targets:
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:return:
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"""
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client = boto3.client('ses')
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client.send_email(
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Source=current_app.config.get('LEMUR_EMAIL'),
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Destination={
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'ToAddresses': targets
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},
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Message={
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'Subject': {
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'Data': subject,
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'Charset': 'string'
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},
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'Body': {
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'Html': {
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'Data': body,
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'Charset': 'string'
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}
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}
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}
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)
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class EmailNotificationPlugin(ExpirationNotificationPlugin):
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title = 'Email'
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slug = 'email-notification'
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description = 'Sends expiration email notifications'
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version = email.VERSION
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author = 'Kevin Glisson'
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author_url = 'https://github.com/netflix/lemur'
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additional_options = [
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{
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'name': 'recipients',
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'type': 'str',
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'required': True,
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'validation': '^([\w+-.%]+@[\w-.]+\.[A-Za-z]{2,4},?)+$',
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'helpMessage': 'Comma delimited list of email addresses',
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},
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]
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def __init__(self, *args, **kwargs):
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"""Initialize the plugin with the appropriate details."""
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sender = current_app.config.get('LEMUR_EMAIL_SENDER', 'ses').lower()
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if sender not in ['ses', 'smtp']:
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raise InvalidConfiguration('Email sender type {0} is not recognized.')
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@staticmethod
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def send(notification_type, message, targets, options, **kwargs):
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subject = 'Lemur: {0} Notification'.format(notification_type.capitalize())
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data = {'options': options, 'certificates': message}
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body = render_html(notification_type, data)
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s_type = current_app.config.get("LEMUR_EMAIL_SENDER", 'ses').lower()
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if s_type == 'ses':
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send_via_ses(subject, body, targets)
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elif s_type == 'smtp':
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send_via_smtp(subject, body, targets)
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