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authorChristophe Besson <cbesson@gmail.com>2026-08-10 22:12:59 +0200
committerChristophe Besson <cbesson@gmail.com>2026-08-10 22:12:59 +0200
commit60c4570e72e36c2a9720593c8baec74ee2ab52d6 (patch)
treee833e222a6a95e64e5b24a0813882636044198c2 /packages/meshbay-hub/src/meshbay_hub/static/webrtc-test.html
parent1a53eb4cc404ec94658fde0ae04cfe2ccf1810dc (diff)
downloadmeshbay-60c4570e72e36c2a9720593c8baec74ee2ab52d6.tar.gz
feat: Phase 9.1–9.5 — WebRTC DataChannel transport for browser P2P
Browser clients can now connect P2P to nodes behind residential NAT via WebRTC DataChannel with ICE/STUN. Validated on SFR Port-Restricted Cone NAT + 4G CGNAT across three scenarios (WiFi LAN, 4G IPv6, 4G IPv4 STUN). No TURN relay needed. Hub serves only as signaling relay (<1 KB). New files: - webrtc_server.py: aiortc-based WebRTC transport (node side) - signaling.py: SDP/ICE relay endpoint (hub side) - transport.js: browser WebRTC client with msgpack framing - webrtc-test.html: spike test page for browser→NAT→node validation - test_webrtc_transport.py: 4 tests (handshake, file transfer, auth, guard) - meshbay-draft-v4.md: architecture spec updated for web client Modified: - hub_client.py: WebRTC offer handling via hub WebSocket - revocation.py: node_id from WS auth + webrtc_answer routing - pyproject.toml: aiortc>=1.9 dependency 123 tests passing (117 existing + 6 new). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <title>MeshBay — WebRTC Spike Test</title>
+ <style>
+ *, *::before, *::after { box-sizing: border-box; }
+ body { font-family: system-ui, sans-serif; margin: 0; background: #0f172a; color: #e2e8f0; }
+ .container { max-width: 800px; margin: 32px auto; padding: 0 16px; }
+ h1 { color: #38bdf8; font-size: 1.4em; }
+ h2 { color: #94a3b8; font-size: 1.1em; margin-top: 2em; }
+ .step { background: #1e293b; border: 1px solid #334155; border-radius: 8px;
+ padding: 16px; margin: 12px 0; }
+ .step.done { border-color: #22c55e; }
+ .step.fail { border-color: #ef4444; }
+ .step.active { border-color: #38bdf8; }
+ input { padding: 8px 12px; border: 1px solid #475569; border-radius: 6px;
+ background: #0f172a; color: #e2e8f0; font-size: 0.95em; margin: 4px; width: 240px; }
+ button { padding: 8px 20px; background: #0ea5e9; color: #fff; border: none;
+ border-radius: 6px; cursor: pointer; font-size: 0.95em; margin: 4px; }
+ button:hover { background: #0284c7; }
+ button:disabled { background: #475569; cursor: not-allowed; }
+ #log { background: #020617; border: 1px solid #1e293b; border-radius: 8px;
+ padding: 12px; font-family: monospace; font-size: 0.85em; line-height: 1.6;
+ max-height: 400px; overflow-y: auto; white-space: pre-wrap; }
+ .ok { color: #22c55e; }
+ .err { color: #ef4444; }
+ .info { color: #38bdf8; }
+ .warn { color: #f59e0b; }
+ .dim { color: #64748b; }
+ .badge { display: inline-block; background: #22c55e; color: #0f172a; padding: 2px 8px;
+ border-radius: 4px; font-size: 0.8em; font-weight: bold; margin-left: 8px; }
+ .badge.fail { background: #ef4444; color: #fff; }
+ </style>
+</head>
+<body>
+<div class="container">
+ <h1>MeshBay — WebRTC DataChannel Spike Test</h1>
+ <p class="dim">Phase 9.5 — E2E browser → NAT → node file transfer via WebRTC</p>
+
+ <div class="step" id="step-login">
+ <h2>1. Login to Hub</h2>
+ <input id="username" placeholder="Username" value="bob">
+ <input id="password" placeholder="Password" type="password" value="bob">
+ <button id="btn-login" onclick="doLogin()">Login</button>
+ <span id="login-status"></span>
+ </div>
+
+ <div class="step" id="step-connect">
+ <h2>2. Connect to Node via WebRTC</h2>
+ <input id="node-id" placeholder="Node ID">
+ <input id="group-id" placeholder="Group ID (optional)">
+ <button id="btn-connect" onclick="doConnect()" disabled>Connect</button>
+ <span id="connect-status"></span>
+ </div>
+
+ <div class="step" id="step-transfer">
+ <h2>3. File Transfer Test</h2>
+ <button id="btn-index" onclick="doFetchIndex()" disabled>Fetch Index</button>
+ <br>
+ <input id="file-id" placeholder="File ID (blake3 hex, from node log)">
+ <button id="btn-chunk" onclick="doFetchChunk()" disabled>Fetch Chunk</button>
+ <span id="transfer-status"></span>
+ </div>
+
+ <h2>Log</h2>
+ <div id="log"></div>
+</div>
+
+<script src="/transport.js"></script>
+<script>
+const HUB_URL = window.location.origin;
+const params = new URLSearchParams(window.location.search);
+let accessToken = null;
+let jwtToken = null;
+let transport = null;
+let fileIndex = null;
+
+// Pre-fill from URL params
+if (params.get('user')) document.getElementById('username').value = params.get('user');
+if (params.get('pass')) document.getElementById('password').value = params.get('pass');
+if (params.get('node')) document.getElementById('node-id').value = params.get('node');
+if (params.get('group')) document.getElementById('group-id').value = params.get('group');
+if (params.get('file')) document.getElementById('file-id').value = params.get('file');
+
+// Auto-run if all params provided
+if (params.get('auto')) {
+ setTimeout(async () => {
+ await doLogin();
+ if (accessToken) await doConnect();
+ if (transport && transport.connected) {
+ await doFetchIndex();
+ if (document.getElementById('file-id').value) await doFetchChunk();
+ }
+ }, 500);
+}
+
+function logMsg(cls, text) {
+ const el = document.getElementById('log');
+ const line = document.createElement('span');
+ line.className = cls;
+ line.textContent = text + '\n';
+ el.appendChild(line);
+ el.scrollTop = el.scrollHeight;
+}
+
+function setStep(id, state) {
+ const el = document.getElementById(id);
+ el.className = 'step ' + state;
+}
+
+async function doLogin() {
+ const user = document.getElementById('username').value;
+ const pass = document.getElementById('password').value;
+ logMsg('info', `Logging in as ${user}...`);
+ setStep('step-login', 'active');
+
+ try {
+ const resp = await fetch(`${HUB_URL}/v1/users/login`, {
+ method: 'POST',
+ headers: { 'Content-Type': 'application/json' },
+ body: JSON.stringify({ username: user, password: pass }),
+ });
+
+ if (!resp.ok) {
+ const err = await resp.json();
+ throw new Error(err.detail || resp.statusText);
+ }
+
+ const data = await resp.json();
+ accessToken = data.access_token;
+ jwtToken = data.access_token;
+ logMsg('ok', `Login OK — token: ${accessToken.substring(0, 20)}...`);
+ setStep('step-login', 'done');
+ document.getElementById('login-status').innerHTML = '<span class="badge">OK</span>';
+ document.getElementById('btn-connect').disabled = false;
+ } catch (e) {
+ logMsg('err', `Login FAILED: ${e.message}`);
+ setStep('step-login', 'fail');
+ document.getElementById('login-status').innerHTML = '<span class="badge fail">FAIL</span>';
+ }
+}
+
+async function doConnect() {
+ const nodeId = document.getElementById('node-id').value;
+ const groupId = document.getElementById('group-id').value;
+ if (!nodeId) { logMsg('warn', 'Enter a node ID'); return; }
+
+ logMsg('info', `Connecting to node ${nodeId.substring(0, 8)}... via WebRTC`);
+ setStep('step-connect', 'active');
+
+ try {
+ transport = new MeshBayTransport(HUB_URL, accessToken);
+
+ logMsg('dim', ' Creating RTCPeerConnection...');
+ logMsg('dim', ' Creating DataChannel "mnp"...');
+ logMsg('dim', ' Gathering ICE candidates...');
+ logMsg('dim', ' Sending SDP offer to hub...');
+
+ const t0 = performance.now();
+ const ack = await transport.connect(nodeId, jwtToken, groupId);
+ const elapsed = (performance.now() - t0).toFixed(0);
+
+ logMsg('ok', `WebRTC connected in ${elapsed}ms`);
+ logMsg('ok', ` MNP handshake_ack — node_pk: ${ack.node_pk?.substring(0, 16)}...`);
+ logMsg('ok', ` DataChannel: open, ordered, reliable`);
+ setStep('step-connect', 'done');
+ document.getElementById('connect-status').innerHTML = '<span class="badge">P2P OK</span>';
+ document.getElementById('btn-index').disabled = false;
+ document.getElementById('btn-chunk').disabled = false;
+ } catch (e) {
+ logMsg('err', `Connection FAILED: ${e.message}`);
+ setStep('step-connect', 'fail');
+ document.getElementById('connect-status').innerHTML = '<span class="badge fail">FAIL</span>';
+ }
+}
+
+async function doFetchIndex() {
+ logMsg('info', 'Fetching Mesh Group Index via DataChannel...');
+ try {
+ const t0 = performance.now();
+ const indexBytes = await transport.fetchIndex();
+ const elapsed = (performance.now() - t0).toFixed(0);
+
+ logMsg('ok', `Index received: ${indexBytes.byteLength} bytes in ${elapsed}ms`);
+
+ try {
+ const envelope = msgpack_decode(indexBytes);
+ logMsg('dim', ` type: ${envelope.type}, encrypted: ${envelope.encrypted}, version: ${envelope.version}`);
+ logMsg('dim', ` group_id: ${envelope.group_id}`);
+
+ if (envelope.encrypted) {
+ logMsg('warn', ` Index is GEK-encrypted — browser decryption not implemented in spike`);
+ logMsg('dim', ` ct_b64 length: ${envelope.ct_b64?.length || 0} chars`);
+ logMsg('info', ` Spike workaround: enter a file_id manually or use Fetch First Chunk`);
+ // Store envelope so chunk test can proceed with manual file_id
+ fileIndex = { entries: [], envelope };
+ } else {
+ // Public group: decompress and parse
+ logMsg('dim', ` Public index — data_b64 length: ${envelope.data_b64?.length || 0}`);
+ fileIndex = { entries: [], envelope };
+ }
+ } catch (pe) {
+ logMsg('warn', ` Could not parse index envelope: ${pe.message}`);
+ }
+ } catch (e) {
+ logMsg('err', `Index fetch FAILED: ${e.message}`);
+ }
+}
+
+async function doFetchChunk() {
+ let fileId = document.getElementById('file-id').value.trim();
+
+ if (!fileId) {
+ logMsg('warn', 'Enter a file_id (blake3 hex hash from node indexer log)');
+ logMsg('dim', ' Look for "Initial scan complete" in the node terminal');
+ logMsg('dim', ' Or run: python -c "import blake3; print(blake3.blake3(open(\'QE/demo-v3/shared_media/sample.txt\',\'rb\').read()).hexdigest())"');
+ return;
+ }
+
+ logMsg('info', `Fetching chunk 0 of file ${fileId.substring(0, 16)}... via DataChannel...`);
+
+ try {
+ const t0 = performance.now();
+ const chunkMsg = await transport.fetchChunk(fileId, 0);
+ const elapsed = (performance.now() - t0).toFixed(0);
+
+ if (chunkMsg.type === 'error') {
+ logMsg('err', `Chunk fetch error: ${chunkMsg.detail}`);
+ return;
+ }
+
+ logMsg('ok', `Chunk received in ${elapsed}ms:`);
+ logMsg('ok', ` type: ${chunkMsg.type}`);
+ logMsg('ok', ` chunk_index: ${chunkMsg.chunk_index}`);
+ logMsg('ok', ` plaintext_size: ${chunkMsg.plaintext_size} bytes`);
+ logMsg('ok', ` ct_b64 length: ${chunkMsg.ct_b64?.length || 0} chars`);
+ logMsg('ok', ` nonce_b64: ${chunkMsg.nonce_b64?.substring(0, 16)}...`);
+ logMsg('ok', ` sig_b64: ${chunkMsg.sig_b64?.substring(0, 16)}...`);
+
+ logMsg('', '');
+ logMsg('ok', '=== SPIKE TEST PASSED ===');
+ logMsg('ok', 'Browser connected to node via WebRTC DataChannel.');
+ logMsg('ok', 'MNP handshake, index sync, and file chunk transfer all work.');
+ logMsg('ok', 'Data flowed P2P — hub was only used for signaling.');
+
+ setStep('step-transfer', 'done');
+ document.getElementById('transfer-status').innerHTML = '<span class="badge">E2E OK</span>';
+ } catch (e) {
+ logMsg('err', `Chunk fetch FAILED: ${e.message}`);
+ setStep('step-transfer', 'fail');
+ document.getElementById('transfer-status').innerHTML = '<span class="badge fail">FAIL</span>';
+ }
+}
+</script>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.51.0) at 2026-09-25 18:44:48 +0000