uptime-kuma/server/notification-providers/bark.js

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//
// bark.js
// UptimeKuma
//
// Created by Lakr Aream on 2021/10/24.
// Copyright © 2021 Lakr Aream. All rights reserved.
//
const NotificationProvider = require("./notification-provider");
const { DOWN, UP } = require("../../src/util");
const { default: axios } = require("axios");
// bark is an APN bridge that sends notifications to Apple devices.
const barkNotificationGroup = "UptimeKuma";
const barkNotificationAvatar = "https://github.com/louislam/uptime-kuma/raw/master/public/icon.png";
const barkNotificationSound = "telegraph";
const successMessage = "Successes!";
class Bark extends NotificationProvider {
name = "Bark";
async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
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let barkEndpoint = notification.barkEndpoint;
// check if the endpoint has a "/" suffix, if so, delete it first
if (barkEndpoint.endsWith("/")) {
barkEndpoint = barkEndpoint.substring(0, barkEndpoint.length - 1);
}
if (msg != null && heartbeatJSON != null && heartbeatJSON["status"] == UP) {
let title = "UptimeKuma Monitor Up";
return await this.postNotification(title, msg, barkEndpoint);
}
if (msg != null && heartbeatJSON != null && heartbeatJSON["status"] == DOWN) {
let title = "UptimeKuma Monitor Down";
return await this.postNotification(title, msg, barkEndpoint);
}
if (msg != null) {
let title = "UptimeKuma Message";
return await this.postNotification(title, msg, barkEndpoint);
}
}
// add additional parameter for better on device styles (iOS 15 optimized)
appendAdditionalParameters(postUrl) {
// grouping all our notifications
postUrl += "?group=" + barkNotificationGroup;
// set icon to uptime kuma icon, 11kb should be fine
postUrl += "&icon=" + barkNotificationAvatar;
// picked a sound, this should follow system's mute status when arrival
postUrl += "&sound=" + barkNotificationSound;
return postUrl;
}
// thrown if failed to check result, result code should be in range 2xx
checkResult(result) {
if (result.status == null) {
throw new Error("Bark notification failed with invalid response!");
}
if (result.status < 200 || result.status >= 300) {
throw new Error("Bark notification failed with status code " + result.status);
}
}
async postNotification(title, subtitle, endpoint) {
// url encode title and subtitle
title = encodeURIComponent(title);
subtitle = encodeURIComponent(subtitle);
let postUrl = endpoint + "/" + title + "/" + subtitle;
postUrl = this.appendAdditionalParameters(postUrl);
let result = await axios.get(postUrl);
this.checkResult(result);
if (result.statusText != null) {
return "Bark notification succeed: " + result.statusText;
}
// because returned in range 200 ..< 300
return successMessage;
}
}
module.exports = Bark;