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https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
0e5434264f
The runtime errors that dealt with local email password resets talked about config options that users may not even have in their config file yet (if upgrading). Instead, the cryptic errors are now replaced with hopefully much more helpful ones.
292 lines
12 KiB
Python
292 lines
12 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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import pkg_resources
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from ._base import Config, ConfigError
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class EmailConfig(Config):
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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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self.email_smtp_host = email_config.get("smtp_host", None)
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self.email_smtp_port = email_config.get("smtp_port", None)
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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_renewal_enabled = config.get("account_validity", {}).get(
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"renew_at"
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)
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email_trust_identity_server_for_password_resets = email_config.get(
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"trust_identity_server_for_password_resets", False
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)
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self.email_password_reset_behaviour = (
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"remote" if email_trust_identity_server_for_password_resets else "local"
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)
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self.password_resets_were_disabled_due_to_email_config = False
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if self.email_password_reset_behaviour == "local" and email_config == {}:
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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.password_resets_were_disabled_due_to_email_config = True
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self.email_password_reset_behaviour = "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.email_password_reset_behaviour == "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.email_password_reset_behaviour == "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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if config.get("public_baseurl") is None:
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missing.append("public_base_url")
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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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# Templates for password reset emails
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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_password_reset_failure_template = email_config.get(
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"password_reset_failure_template", "password_reset_failure.html"
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)
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# This template does not support any replaceable variables, so we will
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# read it from the disk once during setup
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email_password_reset_success_template = email_config.get(
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"password_reset_success_template", "password_reset_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_password_reset_failure_template,
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email_password_reset_success_template,
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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_success_template
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)
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self.email_password_reset_success_html_content = self.read_file(
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filepath, "email.password_reset_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("riot_base_url", None)
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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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# Enable sending emails for password resets, notification events or
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# account expiry notices
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#
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# If your SMTP server requires authentication, the optional smtp_user &
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# smtp_pass variables should be used
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#
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#email:
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# enable_notifs: false
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# smtp_host: "localhost"
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# smtp_port: 25 # SSL: 465, STARTTLS: 587
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# smtp_user: "exampleusername"
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# smtp_pass: "examplepassword"
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# require_transport_security: False
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# notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
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# app_name: Matrix
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#
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# # Enable email notifications by default
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# #
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# notif_for_new_users: True
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#
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# # Defining a custom URL for Riot is only needed if email notifications
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# # should contain links to a self-hosted installation of Riot; when set
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# # the "app_name" setting is ignored
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# #
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# riot_base_url: "http://localhost/riot"
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#
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# # Enable sending password reset emails via the configured, trusted
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# # identity servers
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# #
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# # IMPORTANT! This will give a malicious or overtaken identity server
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# # the ability to reset passwords for your users! Make absolutely sure
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# # that you want to do this! It is strongly recommended that password
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# # reset emails be sent by the homeserver instead
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# #
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# # If this option is set to false and SMTP options have not been
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# # configured, resetting user passwords via email will be disabled
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# #
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# #trust_identity_server_for_password_resets: false
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#
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# # Configure the time that a validation email or text message code
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# # will expire after sending
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# #
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# # This is currently used for password resets
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# #
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# #validation_token_lifetime: 1h
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#
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# # Template directory. All template files should be stored within this
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# # directory. If not set, default templates from within the Synapse
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# # package will be used
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# #
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# # For the list of default templates, please see
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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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# # Templates for email notifications
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# #
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# notif_template_html: notif_mail.html
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# notif_template_text: notif_mail.txt
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#
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# # Templates for account expiry notices
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# #
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# expiry_template_html: notice_expiry.html
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# expiry_template_text: notice_expiry.txt
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#
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# # Templates for password reset emails sent by the homeserver
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# #
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# #password_reset_template_html: password_reset.html
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# #password_reset_template_text: password_reset.txt
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#
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# # Templates for password reset success and failure pages that a user
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# # will see after attempting to reset their password
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# #
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# #password_reset_template_success_html: password_reset_success.html
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# #password_reset_template_failure_html: password_reset_failure.html
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"""
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