263 lines
9.1 KiB
JavaScript
263 lines
9.1 KiB
JavaScript
import { renderHeader } from '../components/header.js';
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import {
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authService,
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authorizeSession,
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clearAuthMessages,
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clearBrowserClientData,
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refreshSessions,
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setAuthBusy,
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setAuthError,
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setAuthInfo,
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state,
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terminateCurrentSession,
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} from '../state.js';
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import { clearClientAuthData, saveEncryptedUserSecrets } from '../services/key-vault.js';
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import { clearStoredMessages } from '../services/message-store.js';
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import {
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describeTransferKeys,
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parseKeyTransferText,
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} from '../services/qr-key-transfer-service.js';
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import { toUserMessage } from '../services/ui-error-texts.js';
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export const pageMeta = { id: 'login-camera-view', title: 'Войти по QR-коду', showAppChrome: false };
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function canUseBarcodeDetector() {
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return typeof window.BarcodeDetector === 'function';
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}
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async function createQrDetector() {
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if (!canUseBarcodeDetector()) return null;
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try {
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const formats = await window.BarcodeDetector.getSupportedFormats?.();
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if (Array.isArray(formats) && !formats.includes('qr_code')) return null;
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} catch {
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// Некоторые браузеры не реализуют getSupportedFormats, но сам detector работает.
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}
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return new window.BarcodeDetector({ formats: ['qr_code'] });
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}
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function setStatus(statusEl, message, kind = 'info') {
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statusEl.classList.toggle('is-unavailable', kind === 'error');
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statusEl.classList.toggle('is-available', kind !== 'error');
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statusEl.textContent = message;
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statusEl.style.display = message ? '' : 'none';
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}
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function escapeHtml(value) {
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return String(value || '')
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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function renderParsedTransfer(resultEl, transfer) {
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const keys = describeTransferKeys(transfer.keys);
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resultEl.innerHTML = `
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<p class="meta-muted">Отсканированный логин: <strong>${escapeHtml(transfer.login)}</strong></p>
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<p class="meta-muted">Получены ключи: <strong>${escapeHtml(keys.join(', '))}</strong></p>
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<p class="meta-muted">Войти под этим логином и очистить локальную историю старого логина?</p>
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`;
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}
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export function render({ navigate }) {
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const screen = document.createElement('section');
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screen.className = 'stack';
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clearAuthMessages();
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const frame = document.createElement('div');
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frame.className = 'camera-shell';
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frame.innerHTML = `
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<video class="camera-video" autoplay playsinline muted></video>
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<div class="camera-frame"></div>
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<div class="camera-hint">Наведите QR-код переноса ключей в рамку</div>
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<div class="camera-error" id="login-camera-error" style="display:none;"></div>
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`;
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const manualCard = document.createElement('details');
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manualCard.className = 'card stack';
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manualCard.innerHTML = `
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<summary>Ввести QR-текст вручную</summary>
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<textarea class="input" id="login-qr-manual" rows="4" placeholder="shine-key-transfer-v1:..."></textarea>
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<button class="ghost-btn" type="button" id="login-qr-manual-parse">Проверить QR-текст</button>
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`;
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const resultCard = document.createElement('div');
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resultCard.className = 'card stack';
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resultCard.style.display = 'none';
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resultCard.innerHTML = `
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<div id="login-qr-result"></div>
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<div class="row">
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<button class="ghost-btn" type="button" id="login-qr-cancel">Нет</button>
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<button class="primary-btn" type="button" id="login-qr-confirm">Да</button>
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</div>
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`;
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const status = document.createElement('p');
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status.className = 'status-line is-unavailable';
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status.style.display = 'none';
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const backButton = document.createElement('button');
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backButton.className = 'ghost-btn';
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backButton.type = 'button';
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backButton.textContent = 'Назад';
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const video = frame.querySelector('video');
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const cameraError = frame.querySelector('#login-camera-error');
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const manualInput = manualCard.querySelector('#login-qr-manual');
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const parseManualButton = manualCard.querySelector('#login-qr-manual-parse');
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const resultEl = resultCard.querySelector('#login-qr-result');
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const cancelButton = resultCard.querySelector('#login-qr-cancel');
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const confirmButton = resultCard.querySelector('#login-qr-confirm');
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let stream = null;
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let detector = null;
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let scanTimer = 0;
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let scannedTransfer = null;
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let stopped = false;
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const stopCamera = () => {
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stopped = true;
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if (scanTimer) {
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window.clearTimeout(scanTimer);
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scanTimer = 0;
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}
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if (stream) {
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stream.getTracks().forEach((track) => track.stop());
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stream = null;
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}
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};
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const showTransfer = (transfer) => {
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scannedTransfer = transfer;
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stopCamera();
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renderParsedTransfer(resultEl, transfer);
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resultCard.style.display = '';
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setStatus(status, '', 'info');
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};
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const parseTransferText = (text) => {
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try {
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const transfer = parseKeyTransferText(text);
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if (!transfer.keys.deviceKey) {
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throw new Error('В QR-коде нет device key для входа');
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}
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showTransfer(transfer);
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} catch (error) {
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setStatus(status, error?.message || 'Не удалось прочитать QR-код.', 'error');
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}
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};
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const scanLoop = async () => {
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if (stopped || !detector || !video || video.readyState < 2) {
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if (!stopped) scanTimer = window.setTimeout(scanLoop, 250);
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return;
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}
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try {
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const codes = await detector.detect(video);
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const text = String(codes?.[0]?.rawValue || '').trim();
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if (text) {
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parseTransferText(text);
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return;
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}
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} catch {
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// Ошибки отдельных кадров игнорируем, камера продолжит сканирование.
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}
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if (!stopped) scanTimer = window.setTimeout(scanLoop, 300);
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};
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const startCamera = async () => {
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try {
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detector = await createQrDetector();
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if (!detector) {
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throw new Error('Этот браузер не поддерживает сканирование QR через камеру. Используйте ручной ввод QR-текста.');
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}
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if (!navigator.mediaDevices?.getUserMedia) {
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throw new Error('Камера не поддерживается в этом браузере.');
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}
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stream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment' }, audio: false });
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video.srcObject = stream;
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await video.play?.();
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scanLoop();
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} catch (error) {
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cameraError.textContent = error?.message || 'Не удалось открыть камеру. Проверьте разрешения браузера.';
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cameraError.style.display = '';
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setStatus(status, cameraError.textContent, 'error');
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}
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};
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parseManualButton.addEventListener('click', () => parseTransferText(manualInput.value));
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cancelButton.addEventListener('click', () => {
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scannedTransfer = null;
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resultCard.style.display = 'none';
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stopped = false;
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void startCamera();
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});
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confirmButton.addEventListener('click', async () => {
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if (!scannedTransfer) return;
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confirmButton.disabled = true;
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cancelButton.disabled = true;
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setAuthBusy(true);
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setAuthError('');
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setStatus(status, 'Входим по QR-коду...', 'info');
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try {
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await authService.reconnect(state.entrySettings.shineServer);
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const session = await authService.createSessionFromImportedSecrets(scannedTransfer.login, scannedTransfer.keys);
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await clearStoredMessages().catch(() => {});
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clearBrowserClientData();
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await clearClientAuthData().catch(() => {});
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await terminateCurrentSession();
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await saveEncryptedUserSecrets(session.login, session.storagePwd, scannedTransfer.keys);
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await authService.persistSessionMaterial(session.login, session.sessionMaterial);
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const resumed = await authService.resumeSession(session.login, session.sessionId);
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authorizeSession({
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login: resumed.login || session.login,
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sessionId: resumed.sessionId || session.sessionId,
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storagePwd: resumed.storagePwd || session.storagePwd,
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});
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state.loginDraft.login = resumed.login || session.login;
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state.loginDraft.password = '';
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await refreshSessions();
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setAuthInfo(`Вход по QR-коду выполнен для @${resumed.login || session.login}.`);
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navigate('profile-view');
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} catch (error) {
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const message = toUserMessage(error, 'Не удалось войти по QR-коду.');
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setAuthError(message);
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setStatus(status, message, 'error');
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} finally {
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setAuthBusy(false);
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confirmButton.disabled = false;
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cancelButton.disabled = false;
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}
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});
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backButton.addEventListener('click', () => {
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stopCamera();
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navigate('login-view');
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});
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screen.append(
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renderHeader({
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title: 'Войти по QR-коду',
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leftAction: {
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label: '←',
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onClick: () => {
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stopCamera();
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navigate('login-view');
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},
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},
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}),
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frame,
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manualCard,
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resultCard,
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status,
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backButton,
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);
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void startCamera();
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screen.cleanup = stopCamera;
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return screen;
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}
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