support custom mqtt servers

package-lock.json

@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "@prisma/client": "^5.11.0",
+        "command-line-args": "^5.2.1",
         "express": "^4.18.3",
         "mqtt": "^5.3.6",
         "protobufjs": "^7.2.6"
@@ -198,6 +199,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/array-back": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/array-back/-/array-back-3.1.0.tgz",
+      "integrity": "sha512-TkuxA4UCOvxuDK6NZYXCalszEzj+TLszyASooky+i742l9TqsOdYCMJJupxRic61hwquNtppB3hgcuq9SVSH1Q==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -310,6 +319,20 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/command-line-args": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/command-line-args/-/command-line-args-5.2.1.tgz",
+      "integrity": "sha512-H4UfQhZyakIjC74I9d34fGYDwk3XpSr17QhEd0Q3I9Xq1CETHo4Hcuo87WyWHpAF1aSLjLRf5lD9ZGX2qStUvg==",
+      "dependencies": {
+        "array-back": "^3.1.0",
+        "find-replace": "^3.0.0",
+        "lodash.camelcase": "^4.3.0",
+        "typical": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/commist": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/commist/-/commist-3.2.0.tgz",
@@ -546,6 +569,17 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/find-replace": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-3.0.0.tgz",
+      "integrity": "sha512-6Tb2myMioCAgv5kfvP5/PkZZ/ntTpVK39fHY7WkWBgvbeE+VHd/tZuZ4mrC+bxh4cfOZeYKVPaJIZtZXV7GNCQ==",
+      "dependencies": {
+        "array-back": "^3.0.1"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -715,6 +749,11 @@
         "url": "https://opencollective.com/js-sdsl"
       }
     },
+    "node_modules/lodash.camelcase": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
+      "integrity": "sha512-TwuEnCnxbc3rAvhf/LbG7tJUDzhqXyFnv3dtzLOPgCG/hODL7WFnsbwktkD7yUV0RrreP/l1PALq/YSg6VvjlA=="
+    },
     "node_modules/long": {
       "version": "5.2.3",
       "resolved": "https://registry.npmjs.org/long/-/long-5.2.3.tgz",
@@ -1234,6 +1273,14 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
     },
+    "node_modules/typical": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/typical/-/typical-4.0.0.tgz",
+      "integrity": "sha512-VAH4IvQ7BDFYglMd7BPRDfLgxZZX4O4TFcRDA6EN5X7erNJJq+McIEp8np9aVtxrCJ6qx4GTYVfOWNjcqwZgRw==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",

package.json

@@ -10,6 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "@prisma/client": "^5.11.0",
+    "command-line-args": "^5.2.1",
     "express": "^4.18.3",
     "mqtt": "^5.3.6",
     "protobufjs": "^7.2.6"

src/mqtt.js

@@ -2,15 +2,39 @@ const crypto = require("crypto");
 const path = require("path");
 const mqtt = require("mqtt");
 const protobufjs = require("protobufjs");
+const commandLineArgs = require('command-line-args');
 
 // create prisma db client
 const { PrismaClient } = require("@prisma/client");
 const prisma = new PrismaClient();
 
+const options = commandLineArgs([
+    {
+        name: "mqtt-broker-url",
+        type: String,
+        description: "MQTT Broker URL (e.g: mqtt://mqtt.meshtastic.org)",
+    },
+    {
+        name: "mqtt-username",
+        type: String,
+        description: "MQTT Username (e.g: meshdev)",
+    },
+    {
+        name: "mqtt-password",
+        type: String,
+        description: "MQTT Password (e.g: large4cats)",
+    },
+]);
+
+// get options and fallback to default values
+const mqttBrokerUrl = options["mqtt-broker-url"] || "mqtt://mqtt.meshtastic.org";
+const mqttUsername = options["mqtt-username"] || "meshdev";
+const mqttPassword = options["mqtt-password"] || "large4cats";
+
 // create mqtt client
-const client = mqtt.connect("mqtt://mqtt.meshtastic.org", {
-    username: "meshdev",
-    password: "large4cats",
+const client = mqtt.connect(mqttBrokerUrl, {
+    username: mqttUsername,
+    password: mqttPassword,
 });
 
 // load protobufs