mirror of
https://mau.dev/maunium/synapse.git
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71f0623de9
This attempts to be a direct port of https://github.com/matrix-org/synapse-dinsic/pull/74 to mainline. There was some fiddling required to deal with the changes that have been made to mainline since (mainly dealing with the split of `RegistrationWorkerStore` from `RegistrationStore`, and the changes made to `self.make_request` in test code).
542 lines
24 KiB
Python
542 lines
24 KiB
Python
# 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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# 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 attr
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from ._base import Config, ConfigError
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MISSING_PASSWORD_RESET_CONFIG_ERROR = """\
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Password reset emails are enabled on this homeserver due to a partial
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'email' block. However, the following required keys are missing:
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%s
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"""
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DEFAULT_SUBJECTS = {
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"message_from_person_in_room": "[%(app)s] You have a message on %(app)s from %(person)s in the %(room)s room...",
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"message_from_person": "[%(app)s] You have a message on %(app)s from %(person)s...",
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"messages_from_person": "[%(app)s] You have messages on %(app)s from %(person)s...",
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"messages_in_room": "[%(app)s] You have messages on %(app)s in the %(room)s room...",
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"messages_in_room_and_others": "[%(app)s] You have messages on %(app)s in the %(room)s room and others...",
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"messages_from_person_and_others": "[%(app)s] You have messages on %(app)s from %(person)s and others...",
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"invite_from_person": "[%(app)s] %(person)s has invited you to chat on %(app)s...",
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"invite_from_person_to_room": "[%(app)s] %(person)s has invited you to join the %(room)s room on %(app)s...",
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"password_reset": "[%(server_name)s] Password reset",
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"email_validation": "[%(server_name)s] Validate your email",
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}
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@attr.s
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class EmailSubjectConfig:
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message_from_person_in_room = attr.ib(type=str)
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message_from_person = attr.ib(type=str)
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messages_from_person = attr.ib(type=str)
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messages_in_room = attr.ib(type=str)
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messages_in_room_and_others = attr.ib(type=str)
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messages_from_person_and_others = attr.ib(type=str)
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invite_from_person = attr.ib(type=str)
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invite_from_person_to_room = attr.ib(type=str)
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password_reset = attr.ib(type=str)
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email_validation = attr.ib(type=str)
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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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# A user-configurable template directory
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template_dir = email_config.get("template_dir")
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if isinstance(template_dir, str):
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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 auxiliary templates like mail.css we will need).
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template_dir = os.path.abspath(template_dir)
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elif template_dir is not None:
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# If template_dir is something other than a str or None, warn the user
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raise ConfigError("Config option email.template_dir must be type str")
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self.email_enable_notifs = email_config.get("enable_notifs", False)
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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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first_trusted_identity_server = self.trusted_third_party_id_servers[0]
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# trusted_third_party_id_servers does not contain a scheme whereas
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# account_threepid_delegate_email is expected to. Presume https
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self.account_threepid_delegate_email = (
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"https://" + first_trusted_identity_server
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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 self.threepid_behaviour_email == ThreepidBehaviour.LOCAL:
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missing = []
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if not self.email_notif_from:
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missing.append("email.notif_from")
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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 missing:
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raise ConfigError(
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MISSING_PASSWORD_RESET_CONFIG_ERROR % (", ".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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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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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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registration_template_html = email_config.get(
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"registration_template_html", "registration.html"
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)
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registration_template_text = email_config.get(
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"registration_template_text", "registration.txt"
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)
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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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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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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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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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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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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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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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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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# Read all templates from disk
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(
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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_confirmation_html,
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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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password_reset_template_success_html_template,
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registration_template_success_html_template,
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add_threepid_template_success_html_template,
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) = self.read_templates(
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[
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password_reset_template_html,
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password_reset_template_text,
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registration_template_html,
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registration_template_text,
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add_threepid_template_html,
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add_threepid_template_text,
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"password_reset_confirmation.html",
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password_reset_template_failure_html,
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registration_template_failure_html,
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add_threepid_template_failure_html,
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password_reset_template_success_html,
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registration_template_success_html,
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add_threepid_template_success_html,
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],
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template_dir,
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)
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# Render templates that do not contain any placeholders
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self.email_password_reset_template_success_html_content = (
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password_reset_template_success_html_template.render()
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)
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self.email_registration_template_success_html_content = (
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registration_template_success_html_template.render()
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)
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self.email_add_threepid_template_success_html_content = (
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add_threepid_template_success_html_template.render()
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)
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if self.email_enable_notifs:
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missing = []
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if not self.email_notif_from:
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missing.append("email.notif_from")
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if config.get("public_baseurl") is None:
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missing.append("public_baseurl")
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if missing:
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raise ConfigError(
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"email.enable_notifs is True but required keys are missing: %s"
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% (", ".join(missing),)
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)
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notif_template_html = email_config.get(
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"notif_template_html", "notif_mail.html"
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)
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notif_template_text = email_config.get(
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"notif_template_text", "notif_mail.txt"
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)
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(
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self.email_notif_template_html,
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self.email_notif_template_text,
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) = self.read_templates(
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[notif_template_html, notif_template_text],
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template_dir,
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)
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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 self.account_validity_renew_by_email_enabled:
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expiry_template_html = email_config.get(
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"expiry_template_html", "notice_expiry.html"
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)
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expiry_template_text = email_config.get(
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"expiry_template_text", "notice_expiry.txt"
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)
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(
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self.account_validity_template_html,
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self.account_validity_template_text,
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) = self.read_templates(
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[expiry_template_html, expiry_template_text],
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template_dir,
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)
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subjects_config = email_config.get("subjects", {})
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subjects = {}
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for key, default in DEFAULT_SUBJECTS.items():
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subjects[key] = subjects_config.get(key, default)
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self.email_subjects = EmailSubjectConfig(**subjects)
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# The invite client location should be a HTTP(S) URL or None.
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self.invite_client_location = email_config.get("invite_client_location") or None
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if self.invite_client_location:
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if not isinstance(self.invite_client_location, str):
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raise ConfigError(
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"Config option email.invite_client_location must be type str"
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)
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if not (
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self.invite_client_location.startswith("http://")
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or self.invite_client_location.startswith("https://")
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):
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raise ConfigError(
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"Config option email.invite_client_location must be a http or https URL",
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path=("email", "invite_client_location"),
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)
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def generate_config_section(self, config_dir_path, server_name, **kwargs):
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return (
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"""\
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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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# 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 and email
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# subjects. It 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 enable sending emails for messages that the user
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# has missed. Disabled by default.
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#
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#enable_notifs: true
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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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# The web client location to direct users to during an invite. This is passed
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# to the identity server as the org.matrix.web_client_location key. Defaults
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# to unset, giving no guidance to the identity server.
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#
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#invite_client_location: https://app.element.io
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# Directory in which Synapse will try to find the template files below.
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# If not set, or the files named below are not found within the template
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# directory, default templates from within the Synapse package will be used.
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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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# * An HTML page that a user will see when they follow the link in the password
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# reset email. The user will be asked to confirm the action before their
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# password is reset: 'password_reset_confirmation.html'
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#
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# * HTML pages for success and failure that a user will see when they confirm
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# the password reset flow using the page above: 'password_reset_success.html'
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# and '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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# Subjects to use when sending emails from Synapse.
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#
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# The placeholder '%%(app)s' will be replaced with the value of the 'app_name'
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# setting above, or by a value dictated by the Matrix client application.
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#
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# If a subject isn't overridden in this configuration file, the value used as
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# its example will be used.
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#
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#subjects:
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# Subjects for notification emails.
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#
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# On top of the '%%(app)s' placeholder, these can use the following
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# placeholders:
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#
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# * '%%(person)s', which will be replaced by the display name of the user(s)
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# that sent the message(s), e.g. "Alice and Bob".
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# * '%%(room)s', which will be replaced by the name of the room the
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# message(s) have been sent to, e.g. "My super room".
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#
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# See the example provided for each setting to see which placeholder can be
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# used and how to use them.
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#
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# Subject to use to notify about one message from one or more user(s) in a
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# room which has a name.
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#message_from_person_in_room: "%(message_from_person_in_room)s"
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#
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# Subject to use to notify about one message from one or more user(s) in a
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# room which doesn't have a name.
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#message_from_person: "%(message_from_person)s"
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#
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# Subject to use to notify about multiple messages from one or more users in
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# a room which doesn't have a name.
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#messages_from_person: "%(messages_from_person)s"
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#
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# Subject to use to notify about multiple messages in a room which has a
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# name.
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#messages_in_room: "%(messages_in_room)s"
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#
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# Subject to use to notify about multiple messages in multiple rooms.
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#messages_in_room_and_others: "%(messages_in_room_and_others)s"
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#
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# Subject to use to notify about multiple messages from multiple persons in
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# multiple rooms. This is similar to the setting above except it's used when
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# the room in which the notification was triggered has no name.
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#messages_from_person_and_others: "%(messages_from_person_and_others)s"
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#
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# Subject to use to notify about an invite to a room which has a name.
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#invite_from_person_to_room: "%(invite_from_person_to_room)s"
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#
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# Subject to use to notify about an invite to a room which doesn't have a
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# name.
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#invite_from_person: "%(invite_from_person)s"
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# Subject for emails related to account administration.
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#
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# On top of the '%%(app)s' placeholder, these one can use the
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# '%%(server_name)s' placeholder, which will be replaced by the value of the
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# 'server_name' setting in your Synapse configuration.
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#
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# Subject to use when sending a password reset email.
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#password_reset: "%(password_reset)s"
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#
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# Subject to use when sending a verification email to assert an address's
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# ownership.
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#email_validation: "%(email_validation)s"
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"""
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% DEFAULT_SUBJECTS
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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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