Added XMPP notifier.

config.default.yml

@@ -0,0 +1,36 @@
+# Color can be:
+# black, red, green, yellow, blue, magenta, cyan, white, gray, grey
+# brightRed, brightGreen, brightYellow, brightBlue, brightMagenta, brightCyan, brightWhite
+
+notifiers:
+  discord:
+    enabled: false
+    api-token: ""
+    receivers: [ "IDs..." ]
+    color: "magenta"
+  email:
+    enabled: false
+    smtp:
+      port: 587
+      name: "username"
+      pass: "secret"
+      host: "example.com"
+      secure: true # use TLS
+    receivers: [ "user@example.com" ]
+    color: "green"
+  xmpp:
+    enabled: true
+    sender:
+      user: "username"
+      pass: "secret"
+      host: "xmpps://hostname:port"
+    receivers: [ "exampleJID@example.com" ]
+    color: "yellow"
+
+
+
+
+checkers:
+  ip-changed:
+    enabled: true
+    color: "red"

index.js

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+import settings    from "./libs/settings.js"
+import getNotifier from "./libs/getNotifier.js"
+import getLogger   from "./libs/logger.js"
+
+const log = getLogger("MAIN", "blue")
+
+log("Starting up maintenance-bot...")
+
+log("Starting up notifiers...")
+const enabledNotifiers = Object.keys(settings.notifiers).filter(notifier => settings.notifiers[notifier].enabled)
+const notifiers = await Promise.all(enabledNotifiers.map(notifier => getNotifier(notifier)))
+
+console.dir(notifiers)

libs/getNotifier.js

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+export default function getNotifier(notifier) {
+    return new Promise(
+        resolve => import(`../modules/notifiers/${notifier}.js`).then(
+        module  => resolve(module.start())))
+}

libs/logger.js

@@ -0,0 +1,24 @@
+import colors from "colors"
+import { createWriteStream } from "fs"
+
+const fileLog = createWriteStream('maintenance-bot.log', { encoding: "utf8", flags: "a" })
+
+function makeDate() {
+    const now  = new Date(Date.now())
+    const date = now.toLocaleDateString("en-GB", { hour12: false })
+    const time = now.toLocaleTimeString("en-GB", { hour12: false })
+
+    return `(${date} -- ${time})`
+}
+
+export default function getLogger(prefix, color) {
+    const clr  = colors[color] ?? colors[red]
+
+    return function (...args) {
+        fileLog.write(`[${prefix}] -- ${makeDate()}:\n`)
+        fileLog.write(`${args.join(", ")}\n\n`)
+
+        console.log(`${clr(prefix)} ${colors.grey(makeDate())}:`)
+        console.log(...args, "\n")
+    }
+}

libs/settings.js

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+import YAML from "yaml"
+import { readFileSync } from "fs"
+
+const yamlData = readFileSync("./config.yml").toString()
+const settings = YAML.parse(yamlData)
+
+export default settings

modules/notifiers/xmpp.js

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+import settings from "../../libs/settings.js"
+import { client, jid, xml } from "@xmpp/client"
+import debug from "@xmpp/debug"
+import getLogger from "../../libs/logger.js"
+
+const log = getLogger("XMPP", settings.notifiers.xmpp.color)
+
+export async function start() {
+    log("Starting up XMPP notifier...")
+
+    const xmpp = client({
+        service:  settings.notifiers.xmpp.sender.host,
+        username: settings.notifiers.xmpp.sender.user,
+        password: settings.notifiers.xmpp.sender.pass
+    })
+
+    xmpp.on("error",  err => console.error(err))
+    xmpp.on("offline", ()  => console.log("OFFLINE!"))
+
+    async function sendMessage(msg) {
+        const receivers =  settings.notifiers.xmpp.receivers
+        const stanzas   = receivers.map(
+            address => xml(
+                "message",
+                { to: address, type: "chat" },
+                xml(
+                    "body",
+                    null,
+                    msg
+                )
+            )
+        )
+
+        await xmpp.sendMany(stanzas).catch(console.error)
+    }
+
+    xmpp.on("online", address => {
+        log(`Logged in as ${address.toString()}`)
+        sendMessage("Started up 'maintenance-bot'...")
+    })
+
+    await xmpp.start().catch(console.error)
+
+    return sendMessage
+}

package.json

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+{
+  "name": "maintenance-bot",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "maintenance",
+    "bot"
+  ],
+  "author": "BurnyLlama",
+  "license": "WTFPL",
+  "dependencies": {
+    "@xmpp/client": "^0.13.1",
+    "@xmpp/debug": "^0.13.0",
+    "colors": "^1.4.0",
+    "yaml": "^2.1.0"
+  }
+}