Files
uptime-monitor/background.js
2025-12-06 15:13:40 +00:00

203 lines
8.0 KiB
JavaScript

// In Minuten (1 Minute)
const CHECK_INTERVAL_MINUTES = 1;
const HISTORY_RETENTION_DAYS = 7;
// Funktion, um einen einzelnen Dienst zu prüfen und die Antwortzeit zu messen
async function checkService(service) {
const startTime = performance.now();
try {
const response = await fetch(service.adresse, { method: 'HEAD', mode: 'no-cors', cache: 'no-cache' });
const endTime = performance.now();
const responseTime = Math.round(endTime - startTime);
return { status: 'online', responseTime };
} catch (error) {
return { status: 'offline', responseTime: null };
}
}
// Funktion, um Verlaufsdaten zu aktualisieren
async function updateHistory(serviceName, status) {
const data = await chrome.storage.local.get({ history: {} });
const history = data.history;
const now = new Date();
const hourKey = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}-${String(now.getHours()).padStart(2, '0')}`;
if (!history[serviceName]) history[serviceName] = {};
if (!history[serviceName][hourKey]) history[serviceName][hourKey] = { checks: 0, up_checks: 0 };
history[serviceName][hourKey].checks++;
if (status === 'online') history[serviceName][hourKey].up_checks++;
await chrome.storage.local.set({ history });
}
// Funktion, um alte Verlaufsdaten zu löschen
async function cleanupHistory() {
const data = await chrome.storage.local.get({ history: {} });
const history = data.history;
const cutoffDate = new Date();
cutoffDate.setDate(cutoffDate.getDate() - HISTORY_RETENTION_DAYS);
const cutoffHourKey = `${cutoffDate.getFullYear()}-${String(cutoffDate.getMonth() + 1).padStart(2, '0')}-${String(cutoffDate.getDate()).padStart(2, '0')}-${String(cutoffDate.getHours()).padStart(2, '0')}`;
for (const serviceName in history) {
for (const hourKey in history[serviceName]) {
if (hourKey < cutoffHourKey) delete history[serviceName][hourKey];
}
if (Object.keys(history[serviceName]).length === 0) delete history[serviceName];
}
await chrome.storage.local.set({ history });
}
// Funktion zum Senden einer Discord-Benachrichtigung
async function sendDiscordNotification(service, status, responseTime = null) {
const settings = await chrome.storage.sync.get({ discordWebhookUrl: '' });
if (!settings.discordWebhookUrl) return; // Kein Webhook konfiguriert
const isOnline = status === 'online';
const embed = {
title: `Status-Update: ${service.name}`,
url: service.adresse,
description: isOnline ? '✅ Der Server ist wieder online.' : '❌ Der Server ist nicht erreichbar.',
color: isOnline ? 0x31A24C : 0xE4606D, // Grün / Rot
timestamp: new Date().toISOString(),
fields: [
{ name: 'Status', value: status.toUpperCase(), inline: true },
{ name: 'Adresse', value: service.adresse, inline: true }
]
};
if (isOnline && responseTime !== null) {
embed.fields.push({ name: 'Antwortzeit', value: `${responseTime} ms`, inline: true });
}
const payload = {
username: 'Uptime Monitor',
embeds: [embed]
};
try {
const response = await fetch(settings.discordWebhookUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(payload)
});
if (!response.ok) {
console.error('Discord-Webhook fehlgeschlagen:', response.statusText, await response.text());
}
} catch (error) {
console.error('Fehler beim Senden der Discord-Benachrichtigung:', error);
}
}
// NEU: Funktion zum Senden einer Telegram-Benachrichtigung
async function sendTelegramNotification(service, status, responseTime = null) {
const settings = await chrome.storage.sync.get({ telegramBotToken: '', telegramChatId: '' });
if (!settings.telegramBotToken || !settings.telegramChatId) return; // Nicht konfiguriert
const isOnline = status === 'online';
const emoji = isOnline ? '✅' : '❌';
let message = `${emoji} *${service.name}*\nStatus: ${status.toUpperCase()}\nAdresse: ${service.adresse}`;
if (isOnline && responseTime !== null) {
message += `\nAntwortzeit: ${responseTime} ms`;
}
const url = `https://api.telegram.org/bot${settings.telegramBotToken}/sendMessage`;
const payload = {
chat_id: settings.telegramChatId,
text: message,
parse_mode: 'Markdown' // Für Markdown-Formatierung
};
try {
const response = await fetch(url, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(payload)
});
if (!response.ok) {
const errorData = await response.json();
console.error('Telegram-Bot API fehlgeschlagen:', response.statusText, errorData);
}
} catch (error) {
console.error('Fehler beim Senden der Telegram-Benachrichtigung:', error);
}
}
// MODIFIZIERT: Funktion, um alle Dienste zu prüfen und Benachrichtigungen zu senden
async function checkAllServices() {
const data = await chrome.storage.sync.get({ services: [], notifyOnline: false });
const services = data.services;
const notifyOnline = data.notifyOnline;
if (services.length === 0) return;
const lastStatusData = await chrome.storage.local.get({ serviceStatus: {} });
const lastStatus = lastStatusData.serviceStatus;
for (const service of services) {
const currentResult = await checkService(service);
const previousResult = lastStatus[service.name];
lastStatus[service.name] = currentResult;
// Benachrichtigung für Offline-Wechsel
if (previousResult?.status === 'online' && currentResult.status === 'offline') {
chrome.notifications.create({
type: 'basic',
iconUrl: 'icons/notification_warning.png',
title: `Server "${service.name}" ist offline`,
message: 'Der Dienst antwortet nicht mehr.',
contextMessage: `Adresse: ${service.adresse}`,
priority: 1,
isClickable: true
});
await sendDiscordNotification(service, 'offline');
await sendTelegramNotification(service, 'offline'); // NEU
}
// Benachrichtigung für Online-Wechsel (wenn aktiviert)
if (notifyOnline && previousResult?.status === 'offline' && currentResult.status === 'online') {
chrome.notifications.create({
type: 'basic',
iconUrl: 'icons/notification_warning.png',
title: `Server "${service.name}" ist wieder online!`,
message: 'Der Dienst ist wieder erreichbar.',
contextMessage: `Adresse: ${service.adresse}`,
priority: 0,
isClickable: true
});
await sendDiscordNotification(service, 'online', currentResult.responseTime);
await sendTelegramNotification(service, 'online', currentResult.responseTime);
}
// Verlaufsdaten aktualisieren
await updateHistory(service.name, currentResult.status);
}
await chrome.storage.local.set({ serviceStatus: lastStatus });
}
// Alarm und Setup-Logik
async function setupAlarm() {
const data = await chrome.storage.sync.get({ checkInterval: 1 });
const intervalMinutes = data.checkInterval;
await chrome.alarms.clear('uptimeCheck');
chrome.alarms.create('uptimeCheck', { periodInMinutes: intervalMinutes });
}
chrome.runtime.onInstalled.addListener(() => { setupAlarm(); });
chrome.runtime.onStartup.addListener(() => { setupAlarm(); });
chrome.alarms.onAlarm.addListener((alarm) => { if (alarm.name === 'uptimeCheck') checkAllServices(); });
// Nachrichtensystem für Einstellungen
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
if (message.type === 'updateInterval') { setupAlarm().then(() => sendResponse({ status: 'ok' })); return true; }
if (message.type === 'cleanupHistory') { cleanupHistory().then(() => sendResponse({ status: 'ok' })); return true; }
});
// Benachrichtigungs-Listener
chrome.notifications.onClicked.addListener((notificationId) => {
chrome.action.openPopup();
chrome.notifications.clear(notificationId);
});