Files
featherChat/warzone/crates/warzone-server/src/routes/web.rs
Siavash Sameni 9814b0d39e Add WASM self-test, bundle debug, /selftest and /bundleinfo commands
/selftest — runs full Alice→Bob encrypt/decrypt cycle within WASM
  (tests X3DH + Double Ratchet + bincode serialize/deserialize)

/bundleinfo — dumps bundle contents, verifies SPK secret matches
  SPK public key in the registered bundle

These help isolate whether the bug is in WASM crypto (self-test fails)
or in CLI↔WASM interop (self-test passes but cross-client fails).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-27 09:06:08 +04:00

687 lines
24 KiB
Rust

use axum::{
http::header,
response::{Html, IntoResponse},
routing::get,
Router,
};
use crate::state::AppState;
pub fn routes() -> Router<AppState> {
Router::new()
.route("/", get(web_ui))
.route("/wasm/warzone_wasm.js", get(wasm_js))
.route("/wasm/warzone_wasm_bg.wasm", get(wasm_binary))
}
async fn web_ui() -> Html<&'static str> {
Html(WEB_HTML)
}
async fn wasm_js() -> impl IntoResponse {
(
[(header::CONTENT_TYPE, "application/javascript")],
include_str!("../../../../wasm-pkg/warzone_wasm.js"),
)
}
async fn wasm_binary() -> impl IntoResponse {
(
[(header::CONTENT_TYPE, "application/wasm")],
include_bytes!("../../../../wasm-pkg/warzone_wasm_bg.wasm").as_slice(),
)
}
const WEB_HTML: &str = r##"<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
<meta name="theme-color" content="#0a0a1a">
<title>Warzone</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body { background: #0a0a1a; color: #c8d6e5; font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
display: flex; flex-direction: column; height: 100dvh; font-size: 14px; }
/* Setup screen */
.screen { display: none; flex-direction: column; flex: 1; }
.screen.active { display: flex; }
#setup { align-items: center; justify-content: center; padding: 20px; }
#setup h1 { color: #e94560; font-size: 1.8em; margin-bottom: 4px; }
#setup .sub { color: #555; margin-bottom: 24px; font-size: 0.8em; }
.fp-display { background: #111; border: 1px solid #333; padding: 12px 20px; border-radius: 6px;
font-size: 1.1em; color: #4ade80; letter-spacing: 1px; margin: 8px 0; font-family: monospace;
user-select: all; cursor: pointer; }
.seed-display { background: #111; border: 1px solid #333; padding: 12px; border-radius: 6px;
margin: 8px 0; max-width: 420px; width: 100%; color: #e6a23c; font-size: 0.8em;
line-height: 1.8; text-align: center; user-select: all; word-break: break-all; }
.warn { color: #e94560; font-size: 0.75em; margin: 6px 0; }
.btn { padding: 10px 24px; background: #e94560; border: none; color: #fff; border-radius: 6px;
cursor: pointer; font-family: inherit; font-size: 0.9em; margin: 4px; }
.btn:hover { background: #c73e54; }
.btn-alt { background: #1a1a3e; border: 1px solid #444; }
.btn-alt:hover { background: #252550; }
#recover-area { display: none; margin-top: 12px; max-width: 420px; width: 100%; }
#recover-area textarea { width: 100%; padding: 10px; background: #1a1a2e; border: 1px solid #333;
color: #c8d6e5; border-radius: 6px; font-family: inherit; min-height: 50px;
resize: none; margin-bottom: 8px; font-size: 14px; }
/* Chat screen */
#chat-header { padding: 6px 10px; background: #111; border-bottom: 1px solid #222;
display: flex; align-items: center; gap: 8px; font-size: 0.8em; flex-wrap: wrap; }
#chat-header .tag { padding: 1px 6px; border-radius: 3px; font-size: 0.85em; }
.tag-fp { background: #0a2e0a; color: #4ade80; }
.tag-peer { background: #2e2e0a; color: #e6a23c; }
.tag-server { color: #444; }
#chat-header input { background: #1a1a2e; border: 1px solid #333; color: #e6a23c; padding: 2px 6px;
border-radius: 3px; font-family: inherit; font-size: 0.85em; width: 280px; }
#messages { flex: 1; overflow-y: auto; padding: 8px 10px; -webkit-overflow-scrolling: touch; }
.msg { padding: 2px 0; font-size: 0.85em; white-space: pre-wrap; word-wrap: break-word; }
.msg .ts { color: #333; margin-right: 4px; }
.msg .from-self { color: #4ade80; font-weight: bold; }
.msg .from-peer { color: #e6a23c; font-weight: bold; }
.msg .from-sys { color: #5e9ca0; font-style: italic; }
.msg .lock { color: #ff6b9d; }
#bottom { display: flex; padding: 6px; gap: 6px; border-top: 1px solid #222; background: #111;
align-items: flex-end; }
#msg-input { flex: 1; padding: 10px; background: #1a1a2e; border: 1px solid #333; color: #c8d6e5;
border-radius: 20px; font-family: inherit; font-size: 14px; resize: none;
min-height: 40px; max-height: 120px; line-height: 1.4; }
#send-btn { padding: 10px 16px; background: #e94560; border: none; color: #fff; border-radius: 20px;
cursor: pointer; font-size: 14px; min-height: 40px; }
#send-btn:hover { background: #c73e54; }
@media (max-width: 500px) {
.msg { font-size: 0.8em; }
#chat-header input { width: 180px; }
}
</style>
</head>
<body>
<!-- Setup screen -->
<div id="setup" class="screen active">
<h1>WARZONE</h1>
<div class="sub">end-to-end encrypted messenger</div>
<div id="gen-section">
<button class="btn" id="btn-generate">Generate Identity</button>
<button class="btn btn-alt" id="btn-show-recover">Recover</button>
<div id="recover-area">
<textarea id="recover-input" placeholder="Paste your hex seed (64 chars)..." rows="2"></textarea>
<button class="btn" id="btn-recover">Recover Identity</button>
</div>
</div>
<div id="id-section" style="display:none">
<div>Your fingerprint:</div>
<div class="fp-display" id="my-fp" title="Click to copy"></div>
<div class="seed-display" id="my-seed"></div>
<div class="warn">SAVE YOUR SEED — only way to recover your identity</div>
<br>
<button class="btn" id="btn-enter">Enter Chat</button>
</div>
</div>
<!-- Chat screen -->
<div id="chat" class="screen">
<div id="chat-header">
<span class="tag tag-fp" id="hdr-fp"></span>
<span>→</span>
<input id="peer-input" placeholder="Paste peer fingerprint..." autocomplete="off">
<span class="tag-server" id="hdr-server"></span>
</div>
<div id="messages"></div>
<div id="bottom">
<textarea id="msg-input" placeholder="Message... (Enter to send)" rows="1"></textarea>
<button id="send-btn">&#9654;</button>
</div>
</div>
<script type="module">
import init, { WasmIdentity, WasmSession, decrypt_wire_message, self_test, debug_bundle_info } from '/wasm/warzone_wasm.js';
const SERVER = window.location.origin;
const $messages = document.getElementById('messages');
const $input = document.getElementById('msg-input');
const $peerInput = document.getElementById('peer-input');
// ── State ──
let wasmIdentity = null; // WasmIdentity from WASM
let myFingerprint = '';
let mySeedHex = '';
let sessions = {}; // peerFP -> { session: WasmSession, data: base64 }
let peerBundles = {}; // peerFP -> bundle bytes
let pollTimer = null;
let wasmReady = false;
let DEBUG = true; // toggle with /debug command
function dbg(...args) {
if (DEBUG) console.log('[WZ]', ...args);
}
function normFP(fp) {
return fp.replace(/[^0-9a-fA-F]/g, '').toLowerCase();
}
// ── WASM-based crypto (same as CLI: X25519 + ChaCha20 + Double Ratchet) ──
async function initWasm() {
await init('/wasm/warzone_wasm_bg.wasm');
wasmReady = true;
}
let mySpkSecretHex = '';
function initIdentityFromSeed(hexSeed) {
wasmIdentity = WasmIdentity.from_hex_seed(hexSeed);
myFingerprint = wasmIdentity.fingerprint();
mySeedHex = wasmIdentity.seed_hex();
// Restore or generate SPK secret
const savedSpk = localStorage.getItem('wz-spk');
if (savedSpk) {
wasmIdentity.set_spk_secret_hex(savedSpk);
mySpkSecretHex = savedSpk;
dbg('Restored SPK secret from localStorage');
} else {
mySpkSecretHex = wasmIdentity.spk_secret_hex();
localStorage.setItem('wz-spk', mySpkSecretHex);
dbg('Generated new SPK secret');
}
localStorage.setItem('wz-seed', mySeedHex);
localStorage.setItem('wz-fp', myFingerprint);
}
function generateNewIdentity() {
wasmIdentity = new WasmIdentity();
myFingerprint = wasmIdentity.fingerprint();
mySeedHex = wasmIdentity.seed_hex();
mySpkSecretHex = wasmIdentity.spk_secret_hex();
localStorage.setItem('wz-seed', mySeedHex);
localStorage.setItem('wz-fp', myFingerprint);
localStorage.setItem('wz-spk', mySpkSecretHex);
dbg('New identity, SPK secret stored');
}
function loadSavedIdentity() {
const saved = localStorage.getItem('wz-seed');
if (!saved) { dbg('No saved seed'); return false; }
try {
initIdentityFromSeed(saved);
dbg('Loaded identity:', myFingerprint, 'has SPK:', !!mySpkSecretHex);
return true;
} catch(e) {
dbg('Failed to load identity:', e);
localStorage.removeItem('wz-seed');
return false;
}
}
async function registerKey() {
const fp = normFP(myFingerprint);
const bundleBytes = wasmIdentity.bundle_bytes();
dbg('Registering key, fp:', fp, 'bundle size:', bundleBytes.length);
await fetch(SERVER + '/v1/keys/register', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ fingerprint: fp, bundle: Array.from(bundleBytes) })
});
dbg('Key registered');
}
async function fetchPeerBundle(peerFP) {
const fp = normFP(peerFP);
if (peerBundles[fp]) return peerBundles[fp];
const resp = await fetch(SERVER + '/v1/keys/' + fp);
if (!resp.ok) throw new Error('Peer not registered');
const data = await resp.json();
const bytes = Uint8Array.from(atob(data.bundle), c => c.charCodeAt(0));
peerBundles[fp] = bytes;
return bytes;
}
async function sendEncrypted(peerFP, plaintext) {
const fp = normFP(peerFP);
dbg('sendEncrypted to:', fp, 'text length:', plaintext.length);
const bundleBytes = await fetchPeerBundle(fp);
dbg('Got peer bundle, size:', bundleBytes.length);
let wireBytes;
if (sessions[fp]) {
dbg('Using existing session for', fp);
try {
const sess = WasmSession.restore(sessions[fp].data);
wireBytes = sess.encrypt(wasmIdentity, plaintext);
sessions[fp].data = sess.save();
} catch(e) {
dbg('Existing session encrypt failed, creating new:', e.message);
const sess = WasmSession.initiate(wasmIdentity, bundleBytes);
wireBytes = sess.encrypt_key_exchange(wasmIdentity, bundleBytes, plaintext);
sessions[fp] = { data: sess.save() };
}
} else {
dbg('New session (X3DH) for', fp);
const sess = WasmSession.initiate(wasmIdentity, bundleBytes);
wireBytes = sess.encrypt_key_exchange(wasmIdentity, bundleBytes, plaintext);
sessions[fp] = { data: sess.save() };
}
localStorage.setItem('wz-sessions', JSON.stringify(
Object.fromEntries(Object.entries(sessions).map(([k,v]) => [k, v.data]))
));
dbg('Sending wire message, size:', wireBytes.length);
await fetch(SERVER + '/v1/messages/send', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
to: fp,
from: normFP(myFingerprint),
message: Array.from(wireBytes)
})
});
dbg('Message sent');
}
async function pollMessages() {
if (!wasmReady) return;
try {
const fp = normFP(myFingerprint);
const resp = await fetch(SERVER + '/v1/messages/poll/' + fp);
if (!resp.ok) return;
const msgs = await resp.json();
dbg('Poll got', msgs.length, 'messages, sessions:', Object.keys(sessions));
for (let i = 0; i < msgs.length; i++) {
const b64 = msgs[i];
try {
const bytes = Uint8Array.from(atob(b64), c => c.charCodeAt(0));
dbg('Msg', i, ':', bytes.length, 'bytes, first 4:', Array.from(bytes.slice(0, 4)));
// First try: KeyExchange (no existing session needed)
let decrypted = false;
try {
dbg('Trying decrypt as KeyExchange (no session)...');
const resultStr = decrypt_wire_message(mySeedHex, mySpkSecretHex, bytes, null);
const result = JSON.parse(resultStr);
dbg('Decrypted!', result.new_session ? 'new session' : 'existing', 'from:', result.sender);
const senderFP = normFP(result.sender);
sessions[senderFP] = { data: result.session_data };
localStorage.setItem('wz-sessions', JSON.stringify(
Object.fromEntries(Object.entries(sessions).map(([k,v]) => [k, v.data]))
));
let fromLabel = result.sender.slice(0, 19);
try {
const ar = await fetch(SERVER + '/v1/alias/whois/' + senderFP);
const ad = await ar.json();
if (ad.alias) fromLabel = '@' + ad.alias;
} catch(e) {}
addMsg(fromLabel, result.text, false);
decrypted = true;
} catch(e) {
dbg('KeyExchange decrypt failed:', e.message || e);
}
// Second try: existing sessions
if (!decrypted) {
for (const [senderFP, sessData] of Object.entries(sessions)) {
try {
dbg('Trying session for', senderFP);
const resultStr = decrypt_wire_message(mySeedHex, mySpkSecretHex, bytes, sessData.data);
const result = JSON.parse(resultStr);
dbg('Decrypted with session', senderFP, ':', result.text.slice(0, 30));
sessions[senderFP] = { data: result.session_data };
localStorage.setItem('wz-sessions', JSON.stringify(
Object.fromEntries(Object.entries(sessions).map(([k,v]) => [k, v.data]))
));
let fromLabel = result.sender.slice(0, 19);
try {
const ar = await fetch(SERVER + '/v1/alias/whois/' + normFP(result.sender));
const ad = await ar.json();
if (ad.alias) fromLabel = '@' + ad.alias;
} catch(e2) {}
addMsg(fromLabel, result.text, false);
decrypted = true;
break;
} catch(e2) {
dbg('Session', senderFP, 'failed:', e2.message || e2);
}
}
}
if (!decrypted) {
dbg('ALL decrypt attempts failed for msg', i);
addSys('[message could not be decrypted]');
}
} catch(e) {
dbg('Message processing error:', e);
addSys('[failed to process message]');
}
}
} catch(e) { /* server offline */ }
}
// Load saved sessions
try {
const saved = localStorage.getItem('wz-sessions');
if (saved) {
const parsed = JSON.parse(saved);
for (const [k, v] of Object.entries(parsed)) {
sessions[k] = { data: v };
}
}
} catch(e) {}
// ── UI ──
function ts() {
return new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
}
function esc(s) {
const d = document.createElement('div');
d.textContent = s;
return d.innerHTML;
}
function addMsg(from, text, isSelf) {
const d = document.createElement('div');
d.className = 'msg';
const cls = isSelf ? 'from-self' : 'from-peer';
const lock = isSelf ? '' : '<span class="lock">&#128274; </span>';
d.innerHTML = '<span class="ts">' + ts() + '</span> ' + lock + '<span class="' + cls + '">' + esc(from) + '</span>: ' + esc(text);
$messages.appendChild(d);
$messages.scrollTop = $messages.scrollHeight;
}
function addSys(text) {
const d = document.createElement('div');
d.className = 'msg';
d.innerHTML = '<span class="ts">' + ts() + '</span> <span class="from-sys">' + esc(text) + '</span>';
$messages.appendChild(d);
$messages.scrollTop = $messages.scrollHeight;
}
// ── Actions ──
async function doGenerate() {
generateNewIdentity();
document.getElementById('my-fp').textContent = myFingerprint;
document.getElementById('my-seed').textContent = mySeedHex;
document.getElementById('gen-section').style.display = 'none';
document.getElementById('id-section').style.display = 'block';
}
async function doRecover() {
const input = document.getElementById('recover-input').value.trim().replace(/\s+/g, '');
try {
initIdentityFromSeed(input);
document.getElementById('my-fp').textContent = myFingerprint;
document.getElementById('my-seed').textContent = '(recovered)';
document.getElementById('gen-section').style.display = 'none';
document.getElementById('id-section').style.display = 'block';
} catch(e) {
alert('Invalid seed: ' + e.message);
}
}
let currentGroup = null; // if set, messages go to group
async function enterChat() {
document.getElementById('setup').classList.remove('active');
document.getElementById('chat').classList.add('active');
document.getElementById('hdr-fp').textContent = myFingerprint.slice(0, 19);
document.getElementById('hdr-server').textContent = SERVER;
await registerKey();
addSys('Identity loaded: ' + myFingerprint);
addSys('Key registered with server');
addSys('DM: paste peer fingerprint or @alias above');
addSys('/alias <name> · /g <group> · /glist · /info · /clear');
const savedPeer = localStorage.getItem('wz-peer');
if (savedPeer) $peerInput.value = savedPeer;
pollTimer = setInterval(pollMessages, 2000);
$input.focus();
}
// ── Group helpers ──
async function groupCreate(name) {
const resp = await fetch(SERVER + '/v1/groups/create', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name, creator: normFP(myFingerprint) })
});
const data = await resp.json();
if (data.error) { addSys('Error: ' + data.error); return; }
addSys('Group "' + name + '" created. Join with /gjoin ' + name);
}
async function groupJoin(name) {
const resp = await fetch(SERVER + '/v1/groups/' + name + '/join', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ fingerprint: normFP(myFingerprint) })
});
const data = await resp.json();
if (data.error) { addSys('Error: ' + data.error); return; }
addSys('Joined group "' + name + '" (' + data.members + ' members)');
}
async function groupSwitch(name) {
// Auto-join
await groupJoin(name);
const resp = await fetch(SERVER + '/v1/groups/' + name);
const data = await resp.json();
if (data.error) { addSys('Error: ' + data.error); return; }
currentGroup = name;
$peerInput.value = '#' + name;
addSys('Switched to group "' + name + '" (' + data.count + ' members: ' + data.members.map(m => m.slice(0,8)).join(', ') + ')');
}
async function groupList() {
const resp = await fetch(SERVER + '/v1/groups');
const data = await resp.json();
if (!data.groups || data.groups.length === 0) { addSys('No groups'); return; }
for (const g of data.groups) {
addSys(' #' + g.name + ' (' + g.members + ' members)');
}
}
async function sendToGroup(groupName, text) {
// Get member list
const resp = await fetch(SERVER + '/v1/groups/' + groupName);
const data = await resp.json();
if (data.error) { addSys('Error: ' + data.error); return; }
const myFP = normFP(myFingerprint);
const members = data.members.filter(m => m !== myFP);
if (members.length === 0) { addSys('No other members in group'); return; }
// Encrypt for each member using WASM (same crypto as CLI)
const messages = [];
for (const memberFP of members) {
try {
const bundleBytes = await fetchPeerBundle(memberFP);
let wireBytes;
if (sessions[memberFP]) {
const sess = WasmSession.restore(sessions[memberFP].data);
wireBytes = sess.encrypt(wasmIdentity, text);
sessions[memberFP].data = sess.save();
} else {
const sess = WasmSession.initiate(wasmIdentity, bundleBytes);
wireBytes = sess.encrypt_key_exchange(wasmIdentity, bundleBytes, text);
sessions[memberFP] = { data: sess.save() };
}
messages.push({ to: memberFP, message: Array.from(wireBytes) });
} catch(e) {
// Skip members we can't encrypt for
}
}
// Save sessions
localStorage.setItem('wz-sessions', JSON.stringify(
Object.fromEntries(Object.entries(sessions).map(([k,v]) => [k, v.data]))
));
if (messages.length === 0) { addSys('No members to send to'); return; }
await fetch(SERVER + '/v1/groups/' + groupName + '/send', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ from: myFP, messages })
});
addMsg(myFingerprint.slice(0, 19) + ' [' + groupName + ']', text, true);
}
// ── Send handler ──
async function doSend() {
const text = $input.value.trim();
$input.value = '';
$input.style.height = 'auto';
if (!text) return;
// Commands
if (text === '/info') {
const aliasResp = await fetch(SERVER + '/v1/alias/whois/' + normFP(myFingerprint));
const aliasData = await aliasResp.json();
const aliasStr = aliasData.alias ? ' (@' + aliasData.alias + ')' : '';
addSys('Fingerprint: ' + myFingerprint + aliasStr);
return;
}
if (text === '/clear') { $messages.innerHTML = ''; return; }
if (text === '/debug') { DEBUG = !DEBUG; addSys('Debug logging: ' + (DEBUG ? 'ON (check browser console)' : 'OFF')); return; }
if (text === '/reset') {
localStorage.clear();
addSys('localStorage cleared. Refresh the page to start fresh.');
return;
}
if (text === '/sessions') {
addSys('Sessions: ' + Object.keys(sessions).join(', '));
addSys('SPK secret: ' + (mySpkSecretHex ? mySpkSecretHex.slice(0,16) + '...' : 'NONE'));
return;
}
if (text === '/selftest') {
try {
const r = self_test();
addSys(r);
} catch(e) { addSys('Self-test FAILED: ' + e); }
return;
}
if (text === '/bundleinfo') {
try {
const r = debug_bundle_info(wasmIdentity);
addSys(r);
} catch(e) { addSys('Bundle info error: ' + e); }
return;
}
if (text === '/quit') { window.close(); return; }
if (text === '/glist') { await groupList(); return; }
if (text === '/dm') { currentGroup = null; addSys('Switched to DM mode'); $peerInput.value = localStorage.getItem('wz-peer') || ''; return; }
if (text === '/aliases') {
const resp = await fetch(SERVER + '/v1/alias/list');
const data = await resp.json();
if (data.aliases.length === 0) { addSys('No aliases registered'); }
else { for (const a of data.aliases) addSys(' @' + a.alias + ' → ' + a.fingerprint.slice(0,16) + '...'); }
return;
}
if (text.startsWith('/alias ')) {
const name = text.slice(7).trim();
const resp = await fetch(SERVER + '/v1/alias/register', {
method: 'POST', headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ alias: name, fingerprint: normFP(myFingerprint) })
});
const data = await resp.json();
if (data.error) { addSys('Error: ' + data.error); }
else { addSys('Alias @' + data.alias + ' registered'); }
return;
}
if (text.startsWith('/gcreate ')) { await groupCreate(text.slice(9).trim()); return; }
if (text.startsWith('/gjoin ')) { await groupJoin(text.slice(7).trim()); return; }
if (text.startsWith('/g ')) { await groupSwitch(text.slice(3).trim()); return; }
// Send to group or DM
if (currentGroup) {
try {
await sendToGroup(currentGroup, text);
} catch(e) {
addSys('Group send failed: ' + e.message);
}
return;
}
// DM — resolve @alias if needed
let peer = $peerInput.value.trim();
if (!peer || peer.startsWith('#')) { addSys('Set a peer fingerprint/@alias or use /g <group>'); return; }
if (peer.startsWith('@')) {
const aliasName = peer.slice(1);
const resp = await fetch(SERVER + '/v1/alias/resolve/' + aliasName);
const data = await resp.json();
if (data.error) { addSys('Unknown alias @' + aliasName); return; }
peer = data.fingerprint;
addSys('Resolved @' + aliasName + ' → ' + peer.slice(0,16) + '...');
}
localStorage.setItem('wz-peer', $peerInput.value.trim());
try {
await sendEncrypted(peer, text);
addMsg(myFingerprint.slice(0, 19), text, true);
} catch(e) {
addSys('Send failed: ' + e.message);
}
}
// Keyboard
$input.onkeydown = function(e) {
if (e.key === 'Enter' && !e.shiftKey) { e.preventDefault(); doSend(); }
};
$input.addEventListener('input', function() {
this.style.height = 'auto';
this.style.height = Math.min(this.scrollHeight, 120) + 'px';
});
// Wire up buttons (module scope can't use onclick in HTML)
document.getElementById('btn-generate').onclick = () => doGenerate();
document.getElementById('btn-show-recover').onclick = () => document.getElementById('recover-area').style.display = 'block';
document.getElementById('btn-recover').onclick = () => doRecover();
document.getElementById('btn-enter').onclick = () => enterChat();
document.getElementById('send-btn').onclick = () => doSend();
// Initialize WASM and auto-load
(async function() {
try {
await initWasm();
if (loadSavedIdentity()) {
enterChat();
}
} catch(e) {
addSys('Failed to load WASM crypto: ' + e.message);
}
})();
</script>
</body>
</html>"##;