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Add TLS support #29

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merged 2 commits into from
Jul 27, 2021
Merged

Add TLS support #29

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2a56eee
Add TLS support
benfuu Jul 26, 2021
8832363
Update README with TLS vars
benfuu Jul 26, 2021
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Add TLS support
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@benfuu
benfuu committed Jul 26, 2021
commit 2a56eee4f519f44f940d267bea472e439baaaf42
26 changes: 25 additions & 1 deletion src/amcrest2mqtt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
from json import dumps
import signal
from threading import Timer
import ssl

is_exiting = False
mqtt_client = None
Expand All @@ -23,6 +24,10 @@
mqtt_port = int(os.getenv("MQTT_PORT") or 1883)
mqtt_username = os.getenv("MQTT_USERNAME")
mqtt_password = os.getenv("MQTT_PASSWORD") # can be None
mqtt_tls_enabled = os.getenv("MQTT_TLS_ENABLED") == "true"
mqtt_tls_ca_cert = os.getenv("MQTT_TLS_CA_CERT")
mqtt_tls_cert = os.getenv("MQTT_TLS_CERT")
mqtt_tls_key = os.getenv("MQTT_TLS_KEY")

home_assistant = os.getenv("HOME_ASSISTANT") == "true"
home_assistant_prefix = os.getenv("HOME_ASSISTANT_PREFIX") or "homeassistant"
Expand Down Expand Up @@ -169,8 +174,27 @@ def signal_handler(sig, frame):
client_id=f"amcrest2mqtt_{serial_number}", clean_session=False
)
mqtt_client.on_disconnect = on_mqtt_disconnect
mqtt_client.username_pw_set(mqtt_username, password=mqtt_password)
mqtt_client.will_set(topics["status"], payload="offline", qos=mqtt_qos, retain=True)
if mqtt_tls_enabled:
log(f"Setting up MQTT for TLS")
if mqtt_tls_ca_cert is None:
log("Missing var: MQTT_TLS_CA_CERT", level="ERROR")
sys.exit(1)
if mqtt_tls_cert is None:
log("Missing var: MQTT_TLS_CERT", level="ERROR")
sys.exit(1)
if mqtt_tls_cert is None:
log("Missing var: MQTT_TLS_KEY", level="ERROR")
sys.exit(1)
mqtt_client.tls_set(
ca_certs=mqtt_tls_ca_cert,
certfile=mqtt_tls_cert,
keyfile=mqtt_tls_key,
cert_reqs=ssl.CERT_REQUIRED,
tls_version=ssl.PROTOCOL_TLS,
)
else:
mqtt_client.username_pw_set(mqtt_username, password=mqtt_password)

try:
mqtt_client.connect(mqtt_host, port=mqtt_port)
Expand Down