From a4fec975a665b6ebcb07fd7451e381f49f3c497a Mon Sep 17 00:00:00 2001
From: Matheus <matheus.guedes.mg.m@gmail.com>
Date: Fri, 10 Oct 2025 23:22:52 -0300
Subject: fix:Não colocar credenciais no código
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(-_-)
---
 compose.yaml        |  3 +++
 mqtt_client/main.py | 11 ++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/compose.yaml b/compose.yaml
index f56c1d2..4e4def4 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -18,6 +18,9 @@ services:
         source: ./mosquitto-config/
         target: /mosquitto/config/
   mqtt-client:
+    environment:
+      MQTT_CLIENT_USER: ${MQTT_CLIENT_USER}
+      MQTT_CLIENT_PASSWORD: ${MQTT_CLIENT_PASSWORD}
     build:
       context: ./mqtt_client/
     network_mode: "service:mosquitto"
diff --git a/mqtt_client/main.py b/mqtt_client/main.py
index 78cdca6..80b4da9 100644
--- a/mqtt_client/main.py
+++ b/mqtt_client/main.py
@@ -2,6 +2,7 @@ import paho.mqtt.client as mqtt
 from paho.mqtt.enums import MQTTProtocolVersion
 import json
 from time import sleep
+import os
 
 def on_connect(client, userdata, flags, reason_code, properties):
     print(f"Conectado: {reason_code}")
@@ -16,10 +17,18 @@ def on_message(client, userdata, msg):
     print(f"Unit: {payload["unit"]}")
     print(f"Timestamp: {payload["timestamp"]}")
 
+try:
+    user_name = os.environ["MQTT_CLIENT_USER"]
+    user_pass = os.environ["MQTT_CLIENT_PASSWORD"]
+except KeyError:
+    print("credentials not supplied in environment variables. Going unauthenticated...")
+    user_name = None
+    user_pass = None
+
 mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2, protocol=MQTTProtocolVersion.MQTTv5)
 mqttc.on_connect = on_connect
 mqttc.on_message = on_message
-mqttc.username_pw_set('tester', 'rosebud')
+mqttc.username_pw_set(user_name, user_pass)
 
 connected = False
 
-- 
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