152 lines
5.5 KiB
Python
152 lines
5.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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# This file can't be called email.py because if it is, we cannot:
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import email.utils
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import logging
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import os
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import sys
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import textwrap
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from ._base import Config
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logger = logging.getLogger(__name__)
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TEMPLATE_DIR_WARNING = """\
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WARNING: The email notifier is configured to look for templates in '%(template_dir)s',
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but no templates could be found there. We will fall back to using the example templates;
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to get rid of this warning, leave 'email.template_dir' unset.
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"""
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class EmailConfig(Config):
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def read_config(self, config):
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self.email_enable_notifs = False
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email_config = config.get("email", {})
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self.email_enable_notifs = email_config.get("enable_notifs", False)
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if self.email_enable_notifs:
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# make sure we can import the required deps
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import jinja2
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import bleach
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# prevent unused warnings
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jinja2
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bleach
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required = [
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"smtp_host",
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"smtp_port",
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"notif_from",
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"notif_template_html",
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"notif_template_text",
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]
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missing = []
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for k in required:
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if k not in email_config:
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missing.append(k)
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if (len(missing) > 0):
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raise RuntimeError(
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"email.enable_notifs is True but required keys are missing: %s" %
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(", ".join(["email." + k for k in missing]),)
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)
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if config.get("public_baseurl") is None:
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raise RuntimeError(
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"email.enable_notifs is True but no public_baseurl is set"
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)
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self.email_smtp_host = email_config["smtp_host"]
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self.email_smtp_port = email_config["smtp_port"]
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self.email_notif_from = email_config["notif_from"]
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self.email_notif_template_html = email_config["notif_template_html"]
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self.email_notif_template_text = email_config["notif_template_text"]
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self.email_template_dir = email_config.get("template_dir")
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# backwards-compatibility hack
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if (
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self.email_template_dir == "res/templates"
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and not os.path.isfile(
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os.path.join(self.email_template_dir, self.email_notif_template_text)
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)
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):
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t = TEMPLATE_DIR_WARNING % {
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"template_dir": self.email_template_dir,
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}
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print(textwrap.fill(t, width=80) + "\n", file=sys.stderr)
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self.email_template_dir = None
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self.email_notif_for_new_users = email_config.get(
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"notif_for_new_users", True
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)
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self.email_riot_base_url = email_config.get(
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"riot_base_url", None
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)
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self.email_smtp_user = email_config.get(
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"smtp_user", None
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)
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self.email_smtp_pass = email_config.get(
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"smtp_pass", None
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)
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self.require_transport_security = email_config.get(
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"require_transport_security", False
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)
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if "app_name" in email_config:
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self.email_app_name = email_config["app_name"]
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else:
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self.email_app_name = "Matrix"
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# make sure it's valid
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parsed = email.utils.parseaddr(self.email_notif_from)
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if parsed[1] == '':
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raise RuntimeError("Invalid notif_from address")
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else:
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self.email_enable_notifs = False
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# Not much point setting defaults for the rest: it would be an
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# error for them to be used.
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def default_config(self, config_dir_path, server_name, **kwargs):
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return """
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# Enable sending emails for notification events
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# Defining a custom URL for Riot is only needed if email notifications
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# should contain links to a self-hosted installation of Riot; when set
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# the "app_name" setting is ignored.
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#
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# If your SMTP server requires authentication, the optional smtp_user &
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# smtp_pass variables should be used
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#
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#email:
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# enable_notifs: false
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# smtp_host: "localhost"
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# smtp_port: 25
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# smtp_user: "exampleusername"
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# smtp_pass: "examplepassword"
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# require_transport_security: False
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# notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
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# app_name: Matrix
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# # if template_dir is unset, uses the example templates that are part of
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# # the Synapse distribution.
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# #template_dir: res/templates
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# notif_template_html: notif_mail.html
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# notif_template_text: notif_mail.txt
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# notif_for_new_users: True
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# riot_base_url: "http://localhost/riot"
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"""
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