initial shit
This commit is contained in:
Lumeille
commit
1cbc553e0b
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@ -0,0 +1,4 @@
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dist/
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node_modules/
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.env
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config.json
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@ -0,0 +1,172 @@
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{
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"name": "uptimenotify",
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"version": "1.0.0",
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"lockfileVersion": 3,
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"requires": true,
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"packages": {
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"": {
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"name": "uptimenotify",
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"version": "1.0.0",
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"license": "LGPL-3.0-only",
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"dependencies": {
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"@network-utils/tcp-ping": "^1.2.3",
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"discord-webhook-node": "^1.1.8",
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"dotenv": "^16.3.1"
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},
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"devDependencies": {
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"dependencies": {
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"form-data": "^3.0.0",
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"node-fetch": "^2.6.0"
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}
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},
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"node_modules/dotenv": {
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"mime-types": "^2.1.12"
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"mime-db": "1.52.0"
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"engines": {
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"node": ">= 0.6"
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},
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"node_modules/node-fetch": {
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"version": "2.7.0",
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"resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
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"dependencies": {
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"whatwg-url": "^5.0.0"
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},
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"node": "4.x || >=6.0.0"
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"encoding": "^0.1.0"
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"bin": {
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"tsc": "bin/tsc",
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"tsserver": "bin/tsserver"
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"dev": true
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},
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"node_modules/webidl-conversions": {
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"version": "3.0.1",
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},
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"node_modules/whatwg-url": {
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"version": "5.0.0",
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"dependencies": {
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"tr46": "~0.0.3",
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"webidl-conversions": "^3.0.0"
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}
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}
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}
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}
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@ -0,0 +1,22 @@
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{
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"name": "uptimenotify",
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"version": "1.0.0",
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"description": "",
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"main": "dist/index.js",
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"scripts": {
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"build": "tsc",
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"start": "node .",
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"dev": "tsc && node ."
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},
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"author": "",
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"license": "LGPL-3.0-only",
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"devDependencies": {
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"@types/node": "^20.10.5",
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"typescript": "^5.3.3"
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},
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"dependencies": {
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"@network-utils/tcp-ping": "^1.2.3",
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"discord-webhook-node": "^1.1.8",
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"dotenv": "^16.3.1"
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}
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}
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@ -0,0 +1,32 @@
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import { readFileSync } from "fs"
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export const defaultInterval = 60
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export const defaultNotifyInterval = 300
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export type Config = {
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alertEndpoints: ({
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enabled: boolean
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name: string
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} & ({
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type: "discord-webhook"
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webhookUrl: string
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} | {
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type: "telegram"
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token: string
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chatIds: string[]
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} | {
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type: "pushover"
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token: string
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destinationIds: string[]
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}))[],
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pollEndpoints: {
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name: string
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endpoint: string
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interval?: number
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notifyInterval?: number
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type: "fetch" | "ping"
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alertEndpoints: string[]
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}[]
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}
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export const config = JSON.parse(readFileSync("./config.json").toString()) as Config
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@ -0,0 +1,28 @@
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import { State } from "."
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import { Config, defaultNotifyInterval } from "./config"
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import { notify } from "./notify"
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import { formatTS } from "./utils"
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type EndpointState = State extends Map<any, infer L> ? L : never
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export const handleDown = (endpointState: EndpointState, curTime: number, endpoint: Config["pollEndpoints"][number]) => {
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const prevDown = endpointState.isDown
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endpointState.isDown = true
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if (!prevDown) endpointState.downStart = curTime
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if (curTime - endpointState.lastDownAlert < (endpoint.notifyInterval ?? defaultNotifyInterval) * 1000) return
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const message = prevDown ?
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`[${formatTS(curTime)}] ${endpoint.name} is still down and initially went down at ${formatTS(endpointState.downStart)}` :
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`[${formatTS(curTime)}] ${endpoint.name} went down`
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notify(message, endpoint)
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endpointState.lastDownAlert = curTime
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}
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export const handleUp = (endpointState: EndpointState, curTime: number, endpoint: Config["pollEndpoints"][number]) => {
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if (endpointState.isDown) {
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endpointState.isDown = false
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const message = `[${formatTS(curTime)}] ${endpoint.name} is back up`
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notify(message, endpoint)
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}
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}
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@ -0,0 +1,43 @@
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import { ping } from "@network-utils/tcp-ping"
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import { defaultInterval, config } from "./config"
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import { sleep } from "./utils"
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import { handleDown, handleUp } from "./handler"
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let state = new Map(config.pollEndpoints.map(x => [x.name, {
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lastExec: 0,
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downStart: 0,
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lastDownAlert: 0,
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isDown: false
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}]))
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export type State = typeof state
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const executor = async () => {
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const curTime = Date.now()
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for (const endpoint of config.pollEndpoints) {
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const endpointState = state.get(endpoint.name)
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if (endpointState === undefined) {console.log(`Could not find endpoint for ${endpoint.name}`)}
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else if (curTime - endpointState.lastExec > ((endpoint.interval ?? defaultInterval) * 1000)) {
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if (endpoint.type === "fetch" ) {
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const r = await fetch(endpoint.endpoint, {method: "GET"})
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if (r.ok) handleUp(endpointState, curTime, endpoint)
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else handleDown(endpointState, curTime, endpoint)
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}
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else if (endpoint.type === "ping" ) {
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const r = await ping({address: endpoint.endpoint})
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if (r.errors.length === 0) handleUp(endpointState, curTime, endpoint)
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else handleDown(endpointState, curTime, endpoint)
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}
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console.log(`Time to poll ${endpoint.name}`)
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endpointState.lastExec = curTime
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}
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}
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}
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const main = async () => {
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while (true) {
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await sleep(1000)
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executor()
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}
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}
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main()
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@ -0,0 +1,12 @@
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export const sendDiscord = async (webhookUrl: string, message: string) => {
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const pDiscordResult = await fetch(webhookUrl, {
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method: "POST",
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headers: {
|
||||
"Content-Type": "application/json"
|
||||
},
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||||
body: JSON.stringify({
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||||
content: message
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||||
})
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||||
})
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||||
return pDiscordResult.text()
|
||||
}
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|
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@ -0,0 +1,20 @@
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|||
import { config, Config } from "../config"
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||||
import { sendTelegram } from "./telegram"
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import { sendDiscord } from "./discord"
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||||
import { sendPushover } from "./pushover"
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||||
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const alertEndpointMap = new Map(config.alertEndpoints.map(({name, ...x}) => [name, x]))
|
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export const notify = (message: string, endpoint: Config["pollEndpoints"][number]) => {
|
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for (const dest of endpoint.alertEndpoints) {
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const d = alertEndpointMap.get(dest)
|
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if (d === undefined)
|
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console.log(`Could not find any valid alert destination ${dest}`)
|
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else if (d.type === "discord-webhook")
|
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sendDiscord(d.webhookUrl, message)
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else if (d.type === "telegram")
|
||||
for (const chatId of d.chatIds) sendTelegram(chatId, d.token, message)
|
||||
else if (d.type === "pushover")
|
||||
for (const de of d.destinationIds) sendPushover(de, d.token, message)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
export const sendPushover = async (destId: string, token: string, message: string, priority: number = 0, url?: string) => {
|
||||
const psendResult = await fetch("https://api.pushover.net/1/messages.json", {
|
||||
method: "POST",
|
||||
headers: {
|
||||
"Content-Type": "application/json"
|
||||
},
|
||||
body: JSON.stringify({
|
||||
token: token,
|
||||
user: destId,
|
||||
message,
|
||||
priority,
|
||||
url
|
||||
})
|
||||
})
|
||||
return psendResult.json() as Promise<{status: number, request: string}>
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
export const sendTelegram = async (cID: string, token: string, message: string) => {
|
||||
const pTelegramResult = await fetch(`https://api.telegram.org/bot${token}/sendMessage`, {
|
||||
method: "POST",
|
||||
headers: {
|
||||
"Content-Type": "application/json"
|
||||
},
|
||||
body: JSON.stringify({
|
||||
text: message,
|
||||
chat_id: cID
|
||||
})
|
||||
})
|
||||
return pTelegramResult.json()
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
export const sleep = async (ms: number) => {
|
||||
return new Promise(resolve => setTimeout(resolve, ms));
|
||||
}
|
||||
|
||||
const zeroPad = (numbskull: number, length: number = 2) => numbskull.toString().padStart(length,"0")
|
||||
|
||||
export const formatTS = (timestamp: number) => {
|
||||
const d = new Date(timestamp)
|
||||
return `${d.getFullYear()}-${zeroPad(d.getMonth())}-${zeroPad(d.getDate())} ${zeroPad(d.getHours())}:${zeroPad(d.getMinutes())}:${zeroPad(d.getSeconds())}.${zeroPad(d.getMilliseconds(), 3)}`
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
{
|
||||
"compilerOptions": {
|
||||
"rootDir": "src",
|
||||
"outDir": "dist",
|
||||
"target": "ES2022",
|
||||
"esModuleInterop": true,
|
||||
"sourceMap": true,
|
||||
"moduleResolution": "NodeNext",
|
||||
"module": "NodeNext",
|
||||
"strict": true,
|
||||
"resolveJsonModule": true,
|
||||
"skipLibCheck": true
|
||||
}
|
||||
}
|
||||
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