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# -*- coding: utf-8 -*-
# Copyright 2015-2016 OpenMarket Ltd
# Copyright 2017-2018 New Vector Ltd
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
# This file can't be called email.py because if it is, we cannot:
import email.utils
import logging
import os
import pkg_resources
from ._base import Config, ConfigError
logger = logging.getLogger(__name__)
class EmailConfig(Config):
def read_config(self, config):
# TODO: We should separate better the email configuration from the notification
# and account validity config.
self.email_enable_notifs = False
email_config = config.get("email", {})
self.email_smtp_host = email_config.get("smtp_host", None)
self.email_smtp_port = email_config.get("smtp_port", None)
self.email_smtp_user = email_config.get("smtp_user", None)
self.email_smtp_pass = email_config.get("smtp_pass", None)
self.require_transport_security = email_config.get(
"require_transport_security", False
)
if "app_name" in email_config:
self.email_app_name = email_config["app_name"]
else:
self.email_app_name = "Matrix"
self.email_notif_from = email_config.get("notif_from", None)
if self.email_notif_from is not None:
# make sure it's valid
parsed = email.utils.parseaddr(self.email_notif_from)
if parsed[1] == '':
raise RuntimeError("Invalid notif_from address")
template_dir = email_config.get("template_dir")
# we need an absolute path, because we change directory after starting (and
# we don't yet know what auxilliary templates like mail.css we will need).
# (Note that loading as package_resources with jinja.PackageLoader doesn't
# work for the same reason.)
if not template_dir:
template_dir = pkg_resources.resource_filename(
'synapse', 'res/templates'
)
self.email_template_dir = os.path.abspath(template_dir)
self.email_enable_notifs = email_config.get("enable_notifs", False)
account_validity_renewal_enabled = config.get(
"account_validity", {},
).get("renew_at")
if self.email_enable_notifs or account_validity_renewal_enabled:
# make sure we can import the required deps
import jinja2
import bleach
# prevent unused warnings
jinja2
bleach
if self.email_enable_notifs:
required = [
"smtp_host",
"smtp_port",
"notif_from",
"notif_template_html",
"notif_template_text",
]
missing = []
for k in required:
if k not in email_config:
missing.append(k)
if (len(missing) > 0):
raise RuntimeError(
"email.enable_notifs is True but required keys are missing: %s" %
(", ".join(["email." + k for k in missing]),)
)
if config.get("public_baseurl") is None:
raise RuntimeError(
"email.enable_notifs is True but no public_baseurl is set"
)
self.email_notif_template_html = email_config["notif_template_html"]
self.email_notif_template_text = email_config["notif_template_text"]
for f in self.email_notif_template_text, self.email_notif_template_html:
p = os.path.join(self.email_template_dir, f)
if not os.path.isfile(p):
raise ConfigError("Unable to find email template file %s" % (p, ))
self.email_notif_for_new_users = email_config.get(
"notif_for_new_users", True
)
self.email_riot_base_url = email_config.get(
"riot_base_url", None
)
else:
self.email_enable_notifs = False
# Not much point setting defaults for the rest: it would be an
# error for them to be used.
if account_validity_renewal_enabled:
self.email_expiry_template_html = email_config.get(
"expiry_template_html", "notice_expiry.html",
)
self.email_expiry_template_text = email_config.get(
"expiry_template_text", "notice_expiry.txt",
)
for f in self.email_expiry_template_text, self.email_expiry_template_html:
p = os.path.join(self.email_template_dir, f)
if not os.path.isfile(p):
raise ConfigError("Unable to find email template file %s" % (p, ))
def default_config(self, config_dir_path, server_name, **kwargs):
return """
# Enable sending emails for notification events or expiry notices
# Defining a custom URL for Riot is only needed if email notifications
# should contain links to a self-hosted installation of Riot; when set
# the "app_name" setting is ignored.
#
# If your SMTP server requires authentication, the optional smtp_user &
# smtp_pass variables should be used
#
#email:
# enable_notifs: false
# smtp_host: "localhost"
# smtp_port: 25
# smtp_user: "exampleusername"
# smtp_pass: "examplepassword"
# require_transport_security: False
# notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
# app_name: Matrix
# # if template_dir is unset, uses the example templates that are part of
# # the Synapse distribution.
# #template_dir: res/templates
# notif_template_html: notif_mail.html
# notif_template_text: notif_mail.txt
# # Templates for account expiry notices.
# expiry_template_html: notice_expiry.html
# expiry_template_text: notice_expiry.txt
# notif_for_new_users: True
# riot_base_url: "http://localhost/riot"
"""
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