forked from MirrorHub/synapse
Run the server as an unprivileged user
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@ -1,6 +1,6 @@
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FROM python:2-alpine
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RUN apk add --no-cache --virtual .nacl_deps build-base libffi-dev zlib-dev openssl-dev libjpeg-turbo-dev linux-headers postgresql-dev
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RUN apk add --no-cache --virtual .nacl_deps su-exec build-base libffi-dev zlib-dev openssl-dev libjpeg-turbo-dev linux-headers postgresql-dev
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COPY . /synapse
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@ -9,14 +9,16 @@ convert = lambda src, dst, environ: open(dst, "w").write(jinja2.Template(open(sr
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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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# Check mandatory parameters and build the base start arguments
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if "SYNAPSE_SERVER_NAME" not in environ:
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print("Environment variable SYNAPSE_SERVER_NAME is mandatory, exiting.")
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sys.exit(2)
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permissions = "{}:{}".format(environ.get("UID", 991), environ.get("GID", 991))
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args = ["python", "-m", "synapse.app.homeserver",
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"--server-name", os.environ.get("SYNAPSE_SERVER_NAME"),
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"--report-stats", os.environ.get("SYNAPSE_REPORT_STATS", "no"),
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"--config-path", os.environ.get("SYNAPSE_CONFIG_PATH", "/compiled/homeserver.yaml")]
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"--server-name", environ.get("SYNAPSE_SERVER_NAME"),
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"--report-stats", environ.get("SYNAPSE_REPORT_STATS", "no"),
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"--config-path", environ.get("SYNAPSE_CONFIG_PATH", "/compiled/homeserver.yaml")]
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# Generate any missing shared secret
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for secret in ("SYNAPSE_REGISTRATION_SHARED_SECRET", "SYNAPSE_MACAROON_SECRET_KEY"):
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@ -35,4 +37,5 @@ if mode == "generate":
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# In normal mode, generate missing keys if any, then run synapse
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else:
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subprocess.check_output(args + ["--generate-keys"])
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os.execv("/usr/local/bin/python", args)
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subprocess.check_output(["chown", "-R", permissions, "/data"])
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os.execv("/sbin/su-exec", ["su-exec", permissions] + args)
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