Working more on web server

2025-04-19 16:42:46 +02:00
parent 8652ab2eec
commit 14cdefea69
25 changed files with 306 additions and 30 deletions
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="UTF-8">
+	<title>DecentraSanta</title>
+	<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}"/>
+	<script type="text/javascript" src="{{ url_for('static', filename='pyodide.js') }}"></script>
+</head>
+<body>
+	<div class="bodyDiv">
+		<h1>DecentraSanta</h1>
+		<p>Welcome to the decentralised secret santa exchange. This website uses cryptography to distribute secret santas
+			in such a way that no one but you, not even the server the communication goes through, can know who you're
+			giving a
+			gift to.</p>
+
+		<p>You can either start a new secret santa exchange, or join an existing one.</p>
+
+		<br/>
+		<button id="start_new" onclick="onNewExchange();">Start new exchange</button>
+		<br/>
+		<br/>
+		<input type="text" id="existing_address" />
+		<br/>
+		<button id="join_existing" onclick="onJoinExchange();">Join existing exchange</button>
+	</div>
+
+	<script type="text/javascript">
+		function onNewExchange() {
+			const byteArray = new Uint8Array(8);
+			self.crypto.getRandomValues(byteArray);
+			let randomHexString = Array.from(byteArray).map(x => x.toString(16)).reduce((a, c) => a + c);
+			var urlString = window.location.href;
+			if (!urlString.endsWith('/')) {
+				urlString = urlString + '/';
+			}
+			urlString = urlString + randomHexString;
+			window.location.href = urlString;
+		}
+
+		function onJoinExchange() {
+			const existingExchange = document.getElementById('existing_address').value;
+			var urlString = window.location.href;
+			if (!urlString.endsWith('/')) {
+				urlString = urlString + '/';
+			}
+			urlString = urlString + existingExchange;
+			window.location.href = urlString;
+		}
+	</script>
+</body>
+</html>