working multisession web linux terminal

This commit is contained in:
2026-05-24 07:44:54 +00:00
parent 5b4803bc49
commit 63dbdf7e6a
5 changed files with 138 additions and 117 deletions
+29 -85
View File
@@ -8,11 +8,10 @@ const TERM_THEME = {
};
// ── Global state ──────────────────────────────────────────────────────
let tabs = [];
let activeTab = null;
let tabCounter = 0;
let isAuthenticated = AUTHED; // updated to true after successful login
let saveTimer = null;
let tabs = [];
let activeTab = null;
let tabCounter = 0;
let saveTimer = null;
// ── Helpers ───────────────────────────────────────────────────────────
function randHexClient(n) {
@@ -48,7 +47,7 @@ function saveWorkspace() {
}
async function _doSaveWorkspace() {
if (!isAuthenticated || !tabs.length) return;
if (!tabs.length) return;
const ws = {
id: WORKSPACE_ID,
tabs: tabs.map(t => ({
@@ -138,12 +137,11 @@ document.addEventListener('keydown', function(e) {
case 'KeyT': e.preventDefault(); newTab(); return;
case 'KeyW': e.preventDefault(); if (activeTab) closeTab(activeTab); return;
case 'KeyX': e.preventDefault(); closePane(); return;
case 'Backslash': e.preventDefault(); splitPane('h'); return;
case 'Minus': e.preventDefault(); splitPane('v'); return;
case 'KeyH': e.preventDefault(); splitPane('h'); return; // Alt+H → side-by-side
case 'KeyV': e.preventDefault(); splitPane('v'); return; // Alt+V → top/bottom
case 'ArrowLeft':
e.preventDefault(); sendToActive('\x1bb'); return;
case 'ArrowRight':
e.preventDefault(); sendToActive('\x1bf'); return;
return; // let xterm pass Ctrl+Arrow to shell readline
}
} else {
if (e.code === 'ArrowLeft') {
@@ -161,10 +159,9 @@ document.addEventListener('keydown', function(e) {
}
}
// Block ALL Ctrl+key browser shortcuts; xterm still gets the event.
// Block browser Ctrl+key defaults (find, save, etc.); xterm still gets event.
if (C && !A && !M) {
e.preventDefault();
if (!S && e.code === 'KeyW') sendToActive('\x17');
return;
}
@@ -234,68 +231,12 @@ function bgClose(evt, id) {
}
document.addEventListener('keydown', e => {
if (e.key === 'Escape') {
['upOverlay', 'dlOverlay'].forEach(id => {
['upOverlay', 'dlOverlay', 'infoOverlay'].forEach(id => {
if (!document.getElementById(id).classList.contains('hidden')) closeModal(id);
});
}
});
// ── Auth ───────────────────────────────────────────────────────────────
async function doAuth() {
const username = document.getElementById('fUser').value.trim();
const password = document.getElementById('fPass').value;
const btn = document.getElementById('authBtn');
const errDiv = document.getElementById('authErr');
if (!username || !password) { showAuthErr('Please enter username and password'); return; }
btn.disabled = true; btn.classList.add('busy');
errDiv.classList.remove('show');
const form = new URLSearchParams();
form.append('username', username);
form.append('password', password);
try {
const res = await fetch('/auth', { method: 'POST', body: form,
headers: { 'Content-Type': 'application/x-www-form-urlencoded' } });
const data = await res.json();
if (data.ok) {
isAuthenticated = true;
document.getElementById('authOverlay').classList.add('hidden');
// Load or create workspace after login
const ws = await loadWorkspace();
if (ws && ws.tabs && ws.tabs.length) {
restoreWorkspace(ws);
} else {
newTab();
}
const leaf = activeTab && activeTab.activeLeaf;
if (leaf) leaf.term.focus();
} else {
showAuthErr(data.error || 'Authentication failed');
}
} catch (_) {
showAuthErr('Network error — try again');
} finally {
btn.disabled = false; btn.classList.remove('busy');
}
}
function showAuthErr(msg) {
const e = document.getElementById('authErr');
e.textContent = msg; e.classList.add('show');
document.getElementById('fPass').value = '';
document.getElementById('fPass').focus();
}
document.getElementById('fUser').addEventListener('keydown', e => {
if (e.key === 'Enter') document.getElementById('fPass').focus();
});
document.getElementById('fPass').addEventListener('keydown', e => {
if (e.key === 'Enter') doAuth();
});
// ══════════════════════════════════════════════════════════════════════
// PANE TREE
// ══════════════════════════════════════════════════════════════════════
@@ -394,15 +335,23 @@ function createLeaf(sessionId) {
term.attachCustomKeyEventHandler(evt => {
if (evt.type !== 'keydown') return true;
const C = evt.ctrlKey, S = evt.shiftKey, A = evt.altKey;
// Copy selection
if (C && S && evt.code === 'KeyC') {
const sel = term.getSelection();
if (sel) navigator.clipboard.writeText(sel).then(
() => toast('Copied!', 'ok'), () => toast('Copy failed', 'err'));
return false;
}
// Paste
if (C && evt.code === 'KeyV') { pasteToTerminal(); return false; }
if (C && !S && !A && evt.code === 'KeyW') return false;
if (C && S && evt.code === 'KeyW') return false;
// Block app-level Alt shortcuts from reaching the PTY
if (A && !C) {
if (!S && ['KeyT','KeyW','KeyX','KeyH','KeyV'].includes(evt.code)) return false;
if ( S && (evt.code === 'ArrowLeft' || evt.code === 'ArrowRight')) return false;
}
return true;
});
@@ -440,7 +389,7 @@ function splitPane(dir) {
applyFlex(splitNode);
setupDivider(splitNode);
if (isAuthenticated) connectLeaf(newLeaf);
connectLeaf(newLeaf);
setActiveLeaf(tab, newLeaf);
refreshActiveHighlight(tab);
@@ -592,7 +541,7 @@ function newTab(tabId, sessionId) {
addTabButton(tab);
switchTab(tab);
saveWorkspace();
if (isAuthenticated) connectLeaf(rootLeaf);
connectLeaf(rootLeaf);
return tab;
}
@@ -618,9 +567,7 @@ function restoreTab(tabData) {
tabs.push(tab);
addTabButton(tab);
if (isAuthenticated) {
walkLeaves(root, l => connectLeaf(l));
}
walkLeaves(root, l => connectLeaf(l));
return tab;
}
@@ -762,16 +709,13 @@ function modalFb(id, msg, type) {
}
// ── Bootstrap ──────────────────────────────────────────────────────────
// Terminal page is only served to authenticated users (server redirects
// unauthenticated requests to /login). Load saved workspace or start fresh.
(async function bootstrap() {
if (isAuthenticated) {
document.getElementById('authOverlay').classList.add('hidden');
const ws = await loadWorkspace();
if (ws && ws.tabs && ws.tabs.length) {
restoreWorkspace(ws);
} else {
newTab();
}
const ws = await loadWorkspace();
if (ws && ws.tabs && ws.tabs.length) {
restoreWorkspace(ws);
} else {
setTimeout(() => document.getElementById('fUser').focus(), 80);
newTab();
}
})();