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Add mention and warning about ACME v1 deprecation to the Synapse config

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Brendan Abolivier 2020-02-13 14:20:08 +00:00
parent 6cd34da8b1
commit 5820ed905f
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2 changed files with 24 additions and 0 deletions
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5
docs/sample_config.yaml
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@ -466,6 +466,11 @@ retention:
# ACME support: This will configure Synapse to request a valid TLS certificate
# for your configured `server_name` via Let's Encrypt.
#
# Note that ACME v1 is now deprecated, and Synapse currently doesn't support
# ACME v2. This means that this feature currently won't work with installs set
# up after November 2019. For more info, and alternative solutions, see
# https://github.com/matrix-org/synapse/blob/master/docs/ACME.md#deprecation-of-acme-v1
#
# Note that provisioning a certificate in this way requires port 80 to be
# routed to Synapse so that it can complete the http-01 ACME challenge.
# By default, if you enable ACME support, Synapse will attempt to listen on

19
synapse/config/tls.py
View file

@ -32,6 +32,17 @@ from synapse.util import glob_to_regex
logger = logging.getLogger(__name__)
ACME_SUPPORT_ENABLED_WARN = """\
This server uses Synapse's built-in ACME support. Note that ACME v1 has been
deprecated by Let's Encrypt, and that Synapse doesn't currently support ACME v2,
which means that this feature will not work with Synapse installs set up after
November 2019, and that it may stop working on June 2020 for installs set up
before that date.
For more info and alternative solutions, see
https://github.com/matrix-org/synapse/blob/master/docs/ACME.md#deprecation-of-acme-v1
"""
class TlsConfig(Config):
section = "tls"
@ -44,6 +55,9 @@ class TlsConfig(Config):
self.acme_enabled = acme_config.get("enabled", False)
if self.acme_enabled:
logger.warning(ACME_SUPPORT_ENABLED_WARN)
# hyperlink complains on py2 if this is not a Unicode
self.acme_url = six.text_type(
acme_config.get("url", "https://acme-v01.api.letsencrypt.org/directory")
@ -362,6 +376,11 @@ class TlsConfig(Config):
# ACME support: This will configure Synapse to request a valid TLS certificate
# for your configured `server_name` via Let's Encrypt.
#
# Note that ACME v1 is now deprecated, and Synapse currently doesn't support
# ACME v2. This means that this feature currently won't work with installs set
# up after November 2019. For more info, and alternative solutions, see
# https://github.com/matrix-org/synapse/blob/master/docs/ACME.md#deprecation-of-acme-v1
#
# Note that provisioning a certificate in this way requires port 80 to be
# routed to Synapse so that it can complete the http-01 ACME challenge.
# By default, if you enable ACME support, Synapse will attempt to listen on