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During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
355 lines
15 KiB
Python
355 lines
15 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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# Copyright 2015-2016 OpenMarket Ltd
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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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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from typing import Any
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import attr
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from synapse.types import JsonDict
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from ._base import Config, ConfigError
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logger = logging.getLogger(__name__)
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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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"invite_from_person_to_space": "[%(app)s] %(person)s has invited you to join the %(space)s space 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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LEGACY_TEMPLATE_DIR_WARNING = """
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This server's configuration file is using the deprecated 'template_dir' setting in the
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'email' section. Support for this setting has been deprecated and will be removed in a
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future version of Synapse. Server admins should instead use the new
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'custom_template_directory' setting documented here:
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https://element-hq.github.io/synapse/latest/templates.html
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---------------------------------------------------------------------------------------"""
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@attr.s(slots=True, frozen=True, auto_attribs=True)
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class EmailSubjectConfig:
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message_from_person_in_room: str
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message_from_person: str
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messages_from_person: str
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messages_in_room: str
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messages_in_room_and_others: str
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messages_from_person_and_others: str
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invite_from_person: str
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invite_from_person_to_room: str
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invite_from_person_to_space: str
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password_reset: str
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email_validation: str
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class EmailConfig(Config):
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section = "email"
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def read_config(self, config: JsonDict, **kwargs: Any) -> None:
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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.force_tls = email_config.get("force_tls", False)
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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(
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"smtp_port", 465 if self.force_tls else 25
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)
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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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self.enable_smtp_tls = email_config.get("enable_tls", True)
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if self.force_tls and not self.enable_smtp_tls:
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raise ConfigError("email.force_tls requires email.enable_tls to be true")
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if self.require_transport_security and not self.enable_smtp_tls:
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raise ConfigError(
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"email.require_transport_security requires email.enable_tls to be true"
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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 template_dir is not None:
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logger.warning(LEGACY_TEMPLATE_DIR_WARNING)
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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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if config.get("trust_identity_server_for_password_resets"):
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raise ConfigError(
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'The config option "trust_identity_server_for_password_resets" '
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"is no longer supported. Please remove it from the config file."
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)
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# If we have email config settings, assume that we can verify ownership of
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# email addresses.
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self.can_verify_email = email_config != {}
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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.can_verify_email:
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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 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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(
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td
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for td in (
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self.root.server.custom_template_directory,
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template_dir,
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)
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if td
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), # Filter out template_dir if not provided
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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 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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(
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td
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for td in (
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self.root.server.custom_template_directory,
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template_dir,
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)
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if td
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), # Filter out template_dir if not provided
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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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# The amount of time we always wait before ever emailing about a notification
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# (to give the user a chance to respond to other push or notice the window)
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self.notif_delay_before_mail_ms = Config.parse_duration(
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email_config.get("notif_delay_before_mail", "10m")
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)
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if self.root.account_validity.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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(
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td
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for td in (
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self.root.server.custom_template_directory,
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template_dir,
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)
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if td
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), # Filter out template_dir if not provided
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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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