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5ce0b17e38
Generally try to make this more comprehensible, and make it match the conventions. I've removed the documentation for all the settings which allow you to change the names of the template files, because I can't really see why they are useful.
422 lines
18 KiB
Python
422 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015-2016 OpenMarket Ltd
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# Copyright 2017-2018 New Vector Ltd
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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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 os
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from enum import Enum
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from typing import Optional
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import pkg_resources
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from ._base import Config, ConfigError
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class EmailConfig(Config):
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section = "email"
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def read_config(self, config, **kwargs):
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# TODO: We should separate better the email configuration from the notification
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# and account validity config.
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self.email_enable_notifs = False
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email_config = config.get("email")
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if email_config is None:
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email_config = {}
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self.email_smtp_host = email_config.get("smtp_host", "localhost")
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self.email_smtp_port = email_config.get("smtp_port", 25)
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self.email_smtp_user = email_config.get("smtp_user", None)
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self.email_smtp_pass = email_config.get("smtp_pass", None)
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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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# TODO: Rename notif_from to something more generic, or have a separate
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# from for password resets, message notifications, etc?
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# Currently the email section is a bit bogged down with settings for
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# multiple functions. Would be good to split it out into separate
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# sections and only put the common ones under email:
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self.email_notif_from = email_config.get("notif_from", None)
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if self.email_notif_from is not None:
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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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template_dir = email_config.get("template_dir")
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# we need an absolute path, because we change directory after starting (and
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# we don't yet know what auxilliary templates like mail.css we will need).
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# (Note that loading as package_resources with jinja.PackageLoader doesn't
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# work for the same reason.)
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if not template_dir:
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template_dir = pkg_resources.resource_filename("synapse", "res/templates")
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self.email_template_dir = os.path.abspath(template_dir)
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self.email_enable_notifs = email_config.get("enable_notifs", False)
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account_validity_config = config.get("account_validity") or {}
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account_validity_renewal_enabled = account_validity_config.get("renew_at")
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self.threepid_behaviour_email = (
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# Have Synapse handle the email sending if account_threepid_delegates.email
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# is not defined
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# msisdn is currently always remote while Synapse does not support any method of
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# sending SMS messages
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ThreepidBehaviour.REMOTE
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if self.account_threepid_delegate_email
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else ThreepidBehaviour.LOCAL
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)
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# Prior to Synapse v1.4.0, there was another option that defined whether Synapse would
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# use an identity server to password reset tokens on its behalf. We now warn the user
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# if they have this set and tell them to use the updated option, while using a default
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# identity server in the process.
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self.using_identity_server_from_trusted_list = False
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if (
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not self.account_threepid_delegate_email
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and config.get("trust_identity_server_for_password_resets", False) is True
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):
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# Use the first entry in self.trusted_third_party_id_servers instead
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if self.trusted_third_party_id_servers:
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# XXX: It's a little confusing that account_threepid_delegate_email is modified
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# both in RegistrationConfig and here. We should factor this bit out
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self.account_threepid_delegate_email = self.trusted_third_party_id_servers[
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0
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] # type: Optional[str]
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self.using_identity_server_from_trusted_list = True
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else:
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raise ConfigError(
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"Attempted to use an identity server from"
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'"trusted_third_party_id_servers" but it is empty.'
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)
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self.local_threepid_handling_disabled_due_to_email_config = False
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if (
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self.threepid_behaviour_email == ThreepidBehaviour.LOCAL
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and email_config == {}
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):
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# We cannot warn the user this has happened here
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# Instead do so when a user attempts to reset their password
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self.local_threepid_handling_disabled_due_to_email_config = True
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self.threepid_behaviour_email = ThreepidBehaviour.OFF
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# Get lifetime of a validation token in milliseconds
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self.email_validation_token_lifetime = self.parse_duration(
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email_config.get("validation_token_lifetime", "1h")
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)
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if (
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self.email_enable_notifs
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or account_validity_renewal_enabled
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or self.threepid_behaviour_email == ThreepidBehaviour.LOCAL
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):
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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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if self.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
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required = ["smtp_host", "smtp_port", "notif_from"]
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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("email." + k)
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# public_baseurl is required to build password reset and validation links that
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# will be emailed to users
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if config.get("public_baseurl") is None:
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missing.append("public_baseurl")
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if len(missing) > 0:
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raise RuntimeError(
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"Password resets emails are configured to be sent from "
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"this homeserver due to a partial 'email' block. "
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"However, the following required keys are missing: %s"
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% (", ".join(missing),)
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)
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# These email templates have placeholders in them, and thus must be
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# parsed using a templating engine during a request
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self.email_password_reset_template_html = email_config.get(
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"password_reset_template_html", "password_reset.html"
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)
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self.email_password_reset_template_text = email_config.get(
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"password_reset_template_text", "password_reset.txt"
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)
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self.email_registration_template_html = email_config.get(
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"registration_template_html", "registration.html"
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)
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self.email_registration_template_text = email_config.get(
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"registration_template_text", "registration.txt"
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)
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self.email_add_threepid_template_html = email_config.get(
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"add_threepid_template_html", "add_threepid.html"
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)
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self.email_add_threepid_template_text = email_config.get(
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"add_threepid_template_text", "add_threepid.txt"
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)
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self.email_password_reset_template_failure_html = email_config.get(
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"password_reset_template_failure_html", "password_reset_failure.html"
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)
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self.email_registration_template_failure_html = email_config.get(
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"registration_template_failure_html", "registration_failure.html"
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)
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self.email_add_threepid_template_failure_html = email_config.get(
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"add_threepid_template_failure_html", "add_threepid_failure.html"
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)
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# These templates do not support any placeholder variables, so we
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# will read them from disk once during setup
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email_password_reset_template_success_html = email_config.get(
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"password_reset_template_success_html", "password_reset_success.html"
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)
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email_registration_template_success_html = email_config.get(
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"registration_template_success_html", "registration_success.html"
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)
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email_add_threepid_template_success_html = email_config.get(
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"add_threepid_template_success_html", "add_threepid_success.html"
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)
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# Check templates exist
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for f in [
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self.email_password_reset_template_html,
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self.email_password_reset_template_text,
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self.email_registration_template_html,
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self.email_registration_template_text,
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self.email_add_threepid_template_html,
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self.email_add_threepid_template_text,
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self.email_password_reset_template_failure_html,
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self.email_registration_template_failure_html,
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self.email_add_threepid_template_failure_html,
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email_password_reset_template_success_html,
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email_registration_template_success_html,
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email_add_threepid_template_success_html,
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]:
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p = os.path.join(self.email_template_dir, f)
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if not os.path.isfile(p):
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raise ConfigError("Unable to find template file %s" % (p,))
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# Retrieve content of web templates
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filepath = os.path.join(
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self.email_template_dir, email_password_reset_template_success_html
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)
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self.email_password_reset_template_success_html = self.read_file(
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filepath, "email.password_reset_template_success_html"
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)
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filepath = os.path.join(
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self.email_template_dir, email_registration_template_success_html
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)
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self.email_registration_template_success_html_content = self.read_file(
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filepath, "email.registration_template_success_html"
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)
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filepath = os.path.join(
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self.email_template_dir, email_add_threepid_template_success_html
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)
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self.email_add_threepid_template_success_html_content = self.read_file(
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filepath, "email.add_threepid_template_success_html"
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)
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if self.email_enable_notifs:
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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_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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for f in self.email_notif_template_text, self.email_notif_template_html:
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p = os.path.join(self.email_template_dir, f)
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if not os.path.isfile(p):
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raise ConfigError("Unable to find email template file %s" % (p,))
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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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"client_base_url", email_config.get("riot_base_url", None)
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)
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if account_validity_renewal_enabled:
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self.email_expiry_template_html = email_config.get(
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"expiry_template_html", "notice_expiry.html"
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)
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self.email_expiry_template_text = email_config.get(
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"expiry_template_text", "notice_expiry.txt"
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)
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for f in self.email_expiry_template_text, self.email_expiry_template_html:
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p = os.path.join(self.email_template_dir, f)
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if not os.path.isfile(p):
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raise ConfigError("Unable to find email template file %s" % (p,))
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def generate_config_section(self, config_dir_path, server_name, **kwargs):
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return """\
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# Configuration for sending emails from Synapse.
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#
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email:
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# The hostname of the outgoing SMTP server to use. Defaults to 'localhost'.
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#
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#smtp_host: mail.server
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# The port on the mail server for outgoing SMTP. Defaults to 25.
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#
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#smtp_port: 587
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# Username/password for authentication to the SMTP server. By default, no
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# authentication is attempted.
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#
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# smtp_user: "exampleusername"
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# smtp_pass: "examplepassword"
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# Uncomment the following to require TLS transport security for SMTP.
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# By default, Synapse will connect over plain text, and will then switch to
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# TLS via STARTTLS *if the SMTP server supports it*. If this option is set,
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# Synapse will refuse to connect unless the server supports STARTTLS.
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#
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#require_transport_security: true
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# Enable sending emails for messages that the user has missed
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#
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#enable_notifs: false
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# notif_from defines the "From" address to use when sending emails.
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# It must be set if email sending is enabled.
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#
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# The placeholder '%(app)s' will be replaced by the application name,
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# which is normally 'app_name' (below), but may be overridden by the
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# Matrix client application.
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#
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# Note that the placeholder must be written '%(app)s', including the
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# trailing 's'.
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#
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#notif_from: "Your Friendly %(app)s homeserver <noreply@example.com>"
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# app_name defines the default value for '%(app)s' in notif_from. It
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# defaults to 'Matrix'.
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#
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#app_name: my_branded_matrix_server
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# Uncomment the following to disable automatic subscription to email
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# notifications for new users. Enabled by default.
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#
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#notif_for_new_users: false
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# Custom URL for client links within the email notifications. By default
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# links will be based on "https://matrix.to".
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#
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# (This setting used to be called riot_base_url; the old name is still
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# supported for backwards-compatibility but is now deprecated.)
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#
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#client_base_url: "http://localhost/riot"
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# Configure the time that a validation email will expire after sending.
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# Defaults to 1h.
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#
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#validation_token_lifetime: 15m
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# Directory in which Synapse will try to find the template files below.
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# If not set, default templates from within the Synapse package will be used.
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#
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# DO NOT UNCOMMENT THIS SETTING unless you want to customise the templates.
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# If you *do* uncomment it, you will need to make sure that all the templates
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# below are in the directory.
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#
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# Synapse will look for the following templates in this directory:
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#
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# * The contents of email notifications of missed events: 'notif_mail.html' and
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# 'notif_mail.txt'.
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#
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# * The contents of account expiry notice emails: 'notice_expiry.html' and
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# 'notice_expiry.txt'.
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#
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# * The contents of password reset emails sent by the homeserver:
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# 'password_reset.html' and 'password_reset.txt'
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#
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# * HTML pages for success and failure that a user will see when they follow
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# the link in the password reset email: 'password_reset_success.html' and
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# 'password_reset_failure.html'
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#
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# * The contents of address verification emails sent during registration:
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# 'registration.html' and 'registration.txt'
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#
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# * HTML pages for success and failure that a user will see when they follow
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# the link in an address verification email sent during registration:
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# 'registration_success.html' and 'registration_failure.html'
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#
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# * The contents of address verification emails sent when an address is added
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# to a Matrix account: 'add_threepid.html' and 'add_threepid.txt'
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#
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# * HTML pages for success and failure that a user will see when they follow
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# the link in an address verification email sent when an address is added
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# to a Matrix account: 'add_threepid_success.html' and
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# 'add_threepid_failure.html'
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#
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# You can see the default templates at:
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# https://github.com/matrix-org/synapse/tree/master/synapse/res/templates
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#
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#template_dir: "res/templates"
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"""
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class ThreepidBehaviour(Enum):
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"""
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Enum to define the behaviour of Synapse with regards to when it contacts an identity
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server for 3pid registration and password resets
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REMOTE = use an external server to send tokens
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LOCAL = send tokens ourselves
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OFF = disable registration via 3pid and password resets
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"""
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REMOTE = "remote"
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LOCAL = "local"
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OFF = "off"
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