mirror of
https://mau.dev/maunium/synapse.git
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109 lines
3.6 KiB
Python
Executable file
109 lines
3.6 KiB
Python
Executable file
#!/usr/local/bin/python
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import jinja2
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import os
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import sys
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import subprocess
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import glob
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import codecs
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# Utility functions
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convert = lambda src, dst, environ: open(dst, "w").write(
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jinja2.Template(open(src).read()).render(**environ)
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)
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def check_arguments(environ, args):
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for argument in args:
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if argument not in environ:
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print("Environment variable %s is mandatory, exiting." % argument)
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sys.exit(2)
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def generate_secrets(environ, secrets):
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for name, secret in secrets.items():
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if secret not in environ:
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filename = "/data/%s.%s.key" % (environ["SYNAPSE_SERVER_NAME"], name)
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if os.path.exists(filename):
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with open(filename) as handle:
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value = handle.read()
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else:
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print("Generating a random secret for {}".format(name))
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value = codecs.encode(os.urandom(32), "hex").decode()
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with open(filename, "w") as handle:
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handle.write(value)
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environ[secret] = value
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# Prepare the configuration
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mode = sys.argv[1] if len(sys.argv) > 1 else None
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environ = os.environ.copy()
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ownership = "{}:{}".format(environ.get("UID", 991), environ.get("GID", 991))
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args = ["python", "-m", "synapse.app.homeserver"]
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# In generate mode, generate a configuration, missing keys, then exit
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if mode == "generate":
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check_arguments(
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environ, ("SYNAPSE_SERVER_NAME", "SYNAPSE_REPORT_STATS", "SYNAPSE_CONFIG_PATH")
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)
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args += [
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"--server-name",
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environ["SYNAPSE_SERVER_NAME"],
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"--report-stats",
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environ["SYNAPSE_REPORT_STATS"],
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"--config-path",
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environ["SYNAPSE_CONFIG_PATH"],
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"--generate-config",
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]
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os.execv("/usr/local/bin/python", args)
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# In normal mode, generate missing keys if any, then run synapse
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else:
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if "SYNAPSE_CONFIG_PATH" in environ:
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config_path = environ["SYNAPSE_CONFIG_PATH"]
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else:
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check_arguments(environ, ("SYNAPSE_SERVER_NAME", "SYNAPSE_REPORT_STATS"))
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generate_secrets(
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environ,
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{
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"registration": "SYNAPSE_REGISTRATION_SHARED_SECRET",
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"macaroon": "SYNAPSE_MACAROON_SECRET_KEY",
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},
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)
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environ["SYNAPSE_APPSERVICES"] = glob.glob("/data/appservices/*.yaml")
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if not os.path.exists("/compiled"):
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os.mkdir("/compiled")
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config_path = "/compiled/homeserver.yaml"
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# Convert SYNAPSE_NO_TLS to boolean if exists
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if "SYNAPSE_NO_TLS" in environ:
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tlsanswerstring = str.lower(environ["SYNAPSE_NO_TLS"])
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if tlsanswerstring in ("true", "on", "1", "yes"):
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environ["SYNAPSE_NO_TLS"] = True
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else:
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if tlsanswerstring in ("false", "off", "0", "no"):
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environ["SYNAPSE_NO_TLS"] = False
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else:
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print(
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'Environment variable "SYNAPSE_NO_TLS" found but value "'
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+ tlsanswerstring
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+ '" unrecognized; exiting.'
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)
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sys.exit(2)
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convert("/conf/homeserver.yaml", config_path, environ)
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convert("/conf/log.config", "/compiled/log.config", environ)
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subprocess.check_output(["chown", "-R", ownership, "/data"])
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args += [
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"--config-path",
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config_path,
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# tell synapse to put any generated keys in /data rather than /compiled
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"--keys-directory",
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"/data",
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]
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# Generate missing keys and start synapse
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subprocess.check_output(args + ["--generate-keys"])
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os.execv("/sbin/su-exec", ["su-exec", ownership] + args)
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