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- # Copyright 2015-2016 OpenMarket Ltd
- # Copyright 2017-2018 New Vector Ltd
- # Copyright 2019 The Matrix.org Foundation C.I.C.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- # This file can't be called email.py because if it is, we cannot:
- import email.utils
- import logging
- import os
- from typing import Any
- import attr
- from synapse.types import JsonDict
- from ._base import Config, ConfigError
- logger = logging.getLogger(__name__)
- MISSING_PASSWORD_RESET_CONFIG_ERROR = """\
- Password reset emails are enabled on this homeserver due to a partial
- 'email' block. However, the following required keys are missing:
- %s
- """
- DEFAULT_SUBJECTS = {
- "message_from_person_in_room": "[%(app)s] You have a message on %(app)s from %(person)s in the %(room)s room...",
- "message_from_person": "[%(app)s] You have a message on %(app)s from %(person)s...",
- "messages_from_person": "[%(app)s] You have messages on %(app)s from %(person)s...",
- "messages_in_room": "[%(app)s] You have messages on %(app)s in the %(room)s room...",
- "messages_in_room_and_others": "[%(app)s] You have messages on %(app)s in the %(room)s room and others...",
- "messages_from_person_and_others": "[%(app)s] You have messages on %(app)s from %(person)s and others...",
- "invite_from_person": "[%(app)s] %(person)s has invited you to chat on %(app)s...",
- "invite_from_person_to_room": "[%(app)s] %(person)s has invited you to join the %(room)s room on %(app)s...",
- "invite_from_person_to_space": "[%(app)s] %(person)s has invited you to join the %(space)s space on %(app)s...",
- "password_reset": "[%(server_name)s] Password reset",
- "email_validation": "[%(server_name)s] Validate your email",
- }
- LEGACY_TEMPLATE_DIR_WARNING = """
- This server's configuration file is using the deprecated 'template_dir' setting in the
- 'email' section. Support for this setting has been deprecated and will be removed in a
- future version of Synapse. Server admins should instead use the new
- 'custom_template_directory' setting documented here:
- https://matrix-org.github.io/synapse/latest/templates.html
- ---------------------------------------------------------------------------------------"""
- @attr.s(slots=True, frozen=True, auto_attribs=True)
- class EmailSubjectConfig:
- message_from_person_in_room: str
- message_from_person: str
- messages_from_person: str
- messages_in_room: str
- messages_in_room_and_others: str
- messages_from_person_and_others: str
- invite_from_person: str
- invite_from_person_to_room: str
- invite_from_person_to_space: str
- password_reset: str
- email_validation: str
- class EmailConfig(Config):
- section = "email"
- def read_config(self, config: JsonDict, **kwargs: Any) -> None:
- # TODO: We should separate better the email configuration from the notification
- # and account validity config.
- self.email_enable_notifs = False
- email_config = config.get("email")
- if email_config is None:
- email_config = {}
- self.force_tls = email_config.get("force_tls", False)
- self.email_smtp_host = email_config.get("smtp_host", "localhost")
- self.email_smtp_port = email_config.get(
- "smtp_port", 465 if self.force_tls else 25
- )
- self.email_smtp_user = email_config.get("smtp_user", None)
- self.email_smtp_pass = email_config.get("smtp_pass", None)
- self.require_transport_security = email_config.get(
- "require_transport_security", False
- )
- self.enable_smtp_tls = email_config.get("enable_tls", True)
- if self.force_tls and not self.enable_smtp_tls:
- raise ConfigError("email.force_tls requires email.enable_tls to be true")
- if self.require_transport_security and not self.enable_smtp_tls:
- raise ConfigError(
- "email.require_transport_security requires email.enable_tls to be true"
- )
- if "app_name" in email_config:
- self.email_app_name = email_config["app_name"]
- else:
- self.email_app_name = "Matrix"
- # TODO: Rename notif_from to something more generic, or have a separate
- # from for password resets, message notifications, etc?
- # Currently the email section is a bit bogged down with settings for
- # multiple functions. Would be good to split it out into separate
- # sections and only put the common ones under email:
- self.email_notif_from = email_config.get("notif_from", None)
- if self.email_notif_from is not None:
- # make sure it's valid
- parsed = email.utils.parseaddr(self.email_notif_from)
- if parsed[1] == "":
- raise RuntimeError("Invalid notif_from address")
- # A user-configurable template directory
- template_dir = email_config.get("template_dir")
- if template_dir is not None:
- logger.warning(LEGACY_TEMPLATE_DIR_WARNING)
- if isinstance(template_dir, str):
- # We need an absolute path, because we change directory after starting (and
- # we don't yet know what auxiliary templates like mail.css we will need).
- template_dir = os.path.abspath(template_dir)
- elif template_dir is not None:
- # If template_dir is something other than a str or None, warn the user
- raise ConfigError("Config option email.template_dir must be type str")
- self.email_enable_notifs = email_config.get("enable_notifs", False)
- if config.get("trust_identity_server_for_password_resets"):
- raise ConfigError(
- 'The config option "trust_identity_server_for_password_resets" '
- "is no longer supported. Please remove it from the config file."
- )
- # If we have email config settings, assume that we can verify ownership of
- # email addresses.
- self.can_verify_email = email_config != {}
- # Get lifetime of a validation token in milliseconds
- self.email_validation_token_lifetime = self.parse_duration(
- email_config.get("validation_token_lifetime", "1h")
- )
- if self.can_verify_email:
- missing = []
- if not self.email_notif_from:
- missing.append("email.notif_from")
- if missing:
- raise ConfigError(
- MISSING_PASSWORD_RESET_CONFIG_ERROR % (", ".join(missing),)
- )
- # These email templates have placeholders in them, and thus must be
- # parsed using a templating engine during a request
- password_reset_template_html = email_config.get(
- "password_reset_template_html", "password_reset.html"
- )
- password_reset_template_text = email_config.get(
- "password_reset_template_text", "password_reset.txt"
- )
- registration_template_html = email_config.get(
- "registration_template_html", "registration.html"
- )
- registration_template_text = email_config.get(
- "registration_template_text", "registration.txt"
- )
- add_threepid_template_html = email_config.get(
- "add_threepid_template_html", "add_threepid.html"
- )
- add_threepid_template_text = email_config.get(
- "add_threepid_template_text", "add_threepid.txt"
- )
- password_reset_template_failure_html = email_config.get(
- "password_reset_template_failure_html", "password_reset_failure.html"
- )
- registration_template_failure_html = email_config.get(
- "registration_template_failure_html", "registration_failure.html"
- )
- add_threepid_template_failure_html = email_config.get(
- "add_threepid_template_failure_html", "add_threepid_failure.html"
- )
- # These templates do not support any placeholder variables, so we
- # will read them from disk once during setup
- password_reset_template_success_html = email_config.get(
- "password_reset_template_success_html", "password_reset_success.html"
- )
- registration_template_success_html = email_config.get(
- "registration_template_success_html", "registration_success.html"
- )
- add_threepid_template_success_html = email_config.get(
- "add_threepid_template_success_html", "add_threepid_success.html"
- )
- # Read all templates from disk
- (
- self.email_password_reset_template_html,
- self.email_password_reset_template_text,
- self.email_registration_template_html,
- self.email_registration_template_text,
- self.email_add_threepid_template_html,
- self.email_add_threepid_template_text,
- self.email_password_reset_template_confirmation_html,
- self.email_password_reset_template_failure_html,
- self.email_registration_template_failure_html,
- self.email_add_threepid_template_failure_html,
- password_reset_template_success_html_template,
- registration_template_success_html_template,
- add_threepid_template_success_html_template,
- ) = self.read_templates(
- [
- password_reset_template_html,
- password_reset_template_text,
- registration_template_html,
- registration_template_text,
- add_threepid_template_html,
- add_threepid_template_text,
- "password_reset_confirmation.html",
- password_reset_template_failure_html,
- registration_template_failure_html,
- add_threepid_template_failure_html,
- password_reset_template_success_html,
- registration_template_success_html,
- add_threepid_template_success_html,
- ],
- (
- td
- for td in (
- self.root.server.custom_template_directory,
- template_dir,
- )
- if td
- ), # Filter out template_dir if not provided
- )
- # Render templates that do not contain any placeholders
- self.email_password_reset_template_success_html_content = (
- password_reset_template_success_html_template.render()
- )
- self.email_registration_template_success_html_content = (
- registration_template_success_html_template.render()
- )
- self.email_add_threepid_template_success_html_content = (
- add_threepid_template_success_html_template.render()
- )
- if self.email_enable_notifs:
- missing = []
- if not self.email_notif_from:
- missing.append("email.notif_from")
- if missing:
- raise ConfigError(
- "email.enable_notifs is True but required keys are missing: %s"
- % (", ".join(missing),)
- )
- notif_template_html = email_config.get(
- "notif_template_html", "notif_mail.html"
- )
- notif_template_text = email_config.get(
- "notif_template_text", "notif_mail.txt"
- )
- (
- self.email_notif_template_html,
- self.email_notif_template_text,
- ) = self.read_templates(
- [notif_template_html, notif_template_text],
- (
- td
- for td in (
- self.root.server.custom_template_directory,
- template_dir,
- )
- if td
- ), # Filter out template_dir if not provided
- )
- self.email_notif_for_new_users = email_config.get(
- "notif_for_new_users", True
- )
- self.email_riot_base_url = email_config.get(
- "client_base_url", email_config.get("riot_base_url", None)
- )
- if self.root.account_validity.account_validity_renew_by_email_enabled:
- expiry_template_html = email_config.get(
- "expiry_template_html", "notice_expiry.html"
- )
- expiry_template_text = email_config.get(
- "expiry_template_text", "notice_expiry.txt"
- )
- (
- self.account_validity_template_html,
- self.account_validity_template_text,
- ) = self.read_templates(
- [expiry_template_html, expiry_template_text],
- (
- td
- for td in (
- self.root.server.custom_template_directory,
- template_dir,
- )
- if td
- ), # Filter out template_dir if not provided
- )
- subjects_config = email_config.get("subjects", {})
- subjects = {}
- for key, default in DEFAULT_SUBJECTS.items():
- subjects[key] = subjects_config.get(key, default)
- self.email_subjects = EmailSubjectConfig(**subjects)
- # The invite client location should be a HTTP(S) URL or None.
- self.invite_client_location = email_config.get("invite_client_location") or None
- if self.invite_client_location:
- if not isinstance(self.invite_client_location, str):
- raise ConfigError(
- "Config option email.invite_client_location must be type str"
- )
- if not (
- self.invite_client_location.startswith("http://")
- or self.invite_client_location.startswith("https://")
- ):
- raise ConfigError(
- "Config option email.invite_client_location must be a http or https URL",
- path=("email", "invite_client_location"),
- )
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