WIP WIP WIP crypto

examples/publish-js/package.json

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+{
+  "dependencies": {
+    "browserify": "^17.0.0",
+    "jose": "^4.8.3"
+  }
+}

examples/publish-js/publish-encrypted.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Publish to ntfy.sh</title>
+</head>
+<body>
+    <input id="password" placeholder="Topic password"/>
+    <button onclick="publish()">Publish encrypted message</button>
+</body>
+<script async src="https://unpkg.com/jose@4.8.3/dist/browser/jwe/compact/encrypt.js" type="module"></script>
+<script async src="publish-encrypted.js" type="module"></script>
+</html>

examples/publish-js/publish-encrypted.js

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+import * as jose from 'jose'
+
+async function publish() {
+    const jwe = await new jose.CompactEncrypt(new TextEncoder().encode('Secret message from JS!'))
+        .setProtectedHeader({ alg: 'dir', enc: 'A256GCM' })
+        .encrypt(publicKey)
+}

examples/publish-js/publish.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Publish to ntfy.sh</title>
+</head>
+<body>
+    <button onclick="publish()">Publish</button>
+</body>
+<script>
+    function publish() {
+        fetch('https://ntfy.sh/mytopic', {
+            method: 'POST', // PUT works too
+            body: 'Backup successful 😀'
+        });
+    }
+</script>
+</html>