ios 16.4 업데이트로 애플 진영에서 web-push를 사용할 수 있게 되었습니다.
https://webkit.org/blog/13878/web-push-for-web-apps-on-ios-and-ipados/
web-push 하는 방법에 대해 알아보겠습니다.
index.html
main.js
worker.js
server.js // express 서버
npm i express web-push
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<button id="subs">Subs</button>
<button id="unsubs">UnSubs</button>
<script src="/main.js"></script>
</body>
</html>
self.addEventListener("push", (e) => {
const title = e.data.text();
e.waitUntil(self.registration.showNotification(title));
})
if( "serviceWorker" in navigator) {
navigator.serviceWorker.register("worker.js")
}
// 서버에서 생성한 publicKey
const apiKeys = "BKPtd6k1u55r_........P9zAS5IV10rO6nuO5s"
const subsBtn = document.getElementById("subs")
const unsubsBtn = document.getElementById("unsubs")
subsBtn.addEventListener("click", () => {
navigator.serviceWorker.ready.then((regis) => {
regis.pushManager.getSubscription().then(async (subs) => {
if(!subs){
subs = await regis.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: urlBase64ToUint8Array(apiKeys)
});
}
await fetch("http://localhost:3000/push", {
method: "POST",
body: JSON.stringify(subs),
headers: {
"content-type": "application/json"
}
})
}).catch(e => console.error(e))
})
})
unsubsBtn.addEventListener("click", async () => {
const regis = await navigator.serviceWorker.ready;
const subs = await regis.pushManager.getSubscription()
if(subs){
await subs.unsubscribe()
// console.log("구독 해제")
}
})
function urlBase64ToUint8Array(base64String) {
const padding = "=".repeat((4 - base64String.length % 4) % 4);
const base64 = (base64String + padding)
.replace(/-/g, "+")
.replace(/_/g, "/");
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
}
import webpush from "web-push"
import express from "express"
import cors from "cors"
const main = async () => {
const app = express()
app.use(cors({
origin: "*"
}))
app.use(express.json())
app.use(express.urlencoded({extended: false}))
// vapid key 생성.
const keys = webpush.generateVAPIDKeys()
const subjects = "mailto:ehgks@gmail.com"
webpush.setVapidDetails(
subjects,
keys.publicKey,
keys.privateKey
)
app.post("/push", async (req, res) => {
try {
const {endpoint, keys} = req.body
const msg = "asdfasdf"
webpush.sendNotification({
endpoint,
keys,
}, msg)
res.json({msg: "noti success"})
} catch (error) {
console.log(error)
res.json({msg: "error"})
}
})
app.listen(3000, () => {
console.log("ex open")
})
}
main()
서버 실행
node ./server.js
index.html 실행
vsCode Live Server로 실행했습니다.
subs 버튼 클릭
구독과 동시에 웹 브라우저로 Noti가 옵니다.
구독이 완료되었으면 curl을 통해
/push
url로 POST 요청을 해도 Noti가 옵니다.
manifest.json
작성 후 html head link에 걸어준다.<link rel="manifest" href="/manifest.json" />
{
"name": "my app",
"start_url": "/",
"id": "app",
"display": "standalone",
"icons": [
{
"src": "/icon.png",
"type": "image/png",
"sizes": "512x512",
}
]
}