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Update server.js
Browse files
server.js
CHANGED
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@@ -1,268 +1,104 @@
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// Backend API để upload file lên Google Drive 2TB
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// Sử dụng OAuth thay vì Service Account (phù hợp với tài khoản edu)
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// Chạy: node server.js hoặc npm start
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require('dotenv').config();
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const express = require('express');
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const multer = require('multer');
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const { google } = require('googleapis');
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const path = require('path');
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const fs = require('fs');
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const cors = require('cors');
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const app = express();
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const upload = multer({ dest: 'uploads/' });
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//
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app.use(cors({
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origin: process.env.ALLOWED_ORIGINS ?
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process.env.ALLOWED_ORIGINS.split(',') :
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'*', // Cho phép tất cả khi không set (chỉ dùng khi dev)
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credentials: true
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}));
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app.use(express.json());
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const
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const
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const REDIRECT_URI = process.env.REDIRECT_URI || 'http://localhost/popup.html';
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//
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// Trong production, nên lưu vào database hoặc file bảo mật
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let adminRefreshToken = null;
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const oauth2Client = new google.auth.OAuth2(
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GOOGLE_CLIENT_ID,
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GOOGLE_CLIENT_SECRET,
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REDIRECT_URI
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);
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//
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async function getAccessToken() {
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}
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oauth2Client.setCredentials({
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refresh_token: adminRefreshToken
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});
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const { credentials } = await oauth2Client.refreshAccessToken();
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return credentials.access_token;
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}
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//
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app.post('/api/oauth/token', async (req, res) => {
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try {
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const { code, redirect_uri } = req.body;
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return res.status(400).json({ error: 'Missing authorization code' });
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}
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// Sử dụng redirect_uri từ request (từ frontend) thay vì từ env
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// Tạo OAuth2 client mới với redirect_uri từ request
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const requestOAuth2Client = new google.auth.OAuth2(
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GOOGLE_CLIENT_ID,
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GOOGLE_CLIENT_SECRET,
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redirect_uri || REDIRECT_URI // Dùng redirect_uri từ request, fallback về env
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);
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const { tokens } = await requestOAuth2Client.getToken(code);
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// Lưu refresh token
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if (tokens.refresh_token) {
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adminRefreshToken = tokens.refresh_token;
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// Trong production, nên lưu vào database
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console.log('Admin refresh token đã được lưu');
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}
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res.json({
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access_token: tokens.access_token,
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refresh_token: tokens.refresh_token,
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expires_in: tokens.expiry_date
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});
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} catch (error) {
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console.error('OAuth token error:', error);
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res.status(500).json({ error: error.message });
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}
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});
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//
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app.post('/api/
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try {
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if (!refresh_token) {
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return res.status(400).json({ error: 'Missing refresh_token' });
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}
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adminRefreshToken = refresh_token;
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res.json({ success: true, message: 'Refresh token đã được lưu' });
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} catch (error) {
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console.error('Set token error:', error);
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res.status(500).json({ error: error.message });
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}
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});
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// Tìm hoặc tạo folder
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async function findOrCreateFolder(name, parentId = 'root') {
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try {
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const accessToken = await getAccessToken();
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const drive = google.drive({ version: 'v3', auth: oauth2Client });
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const response = await drive.files.list({
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q: `mimeType='application/vnd.google-apps.folder' and name='${name}' and '${parentId}' in parents and trashed=false`,
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fields: 'files(id, name)',
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});
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if (response.data.files.length > 0) {
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return response.data.files[0];
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}
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// Tạo folder mới
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const folder = await drive.files.create({
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requestBody: {
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name: name,
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mimeType: 'application/vnd.google-apps.folder',
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parents: [parentId],
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},
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fields: 'id, name',
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});
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return folder.data;
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} catch (error) {
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console.error('Error in findOrCreateFolder:', error);
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throw error;
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}
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}
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// Upload file
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async function uploadFile(filePath, fileName, parentId) {
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try {
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const accessToken = await getAccessToken();
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const drive = google.drive({ version: 'v3', auth: oauth2Client });
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const fileMetadata = {
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name:
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};
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const media = {
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mimeType: 'application/octet-stream',
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body: fs.createReadStream(filePath),
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};
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const file = await drive.files.create({
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requestBody: fileMetadata,
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media: media,
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fields: 'id, name, webViewLink, webContentLink, iconLink',
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});
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return file.data;
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} catch (error) {
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console.error('Error uploading file:', error);
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throw error;
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}
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}
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// API: Upload files
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app.post('/api/upload', upload.array('files'), async (req, res) => {
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try {
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const { docName, type, month } = req.body; // type: 'incoming' hoặc 'outgoing'
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if (!req.files || req.files.length === 0) {
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return res.status(400).json({ error: 'No files uploaded' });
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}
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if (!adminRefreshToken) {
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return res.status(401).json({ error: 'Chưa đăng nhập Admin. Vui lòng đăng nhập tài khoản Google 2TB trước.' });
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}
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// Tạo cấu trúc folder
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const qlvbFolder = await findOrCreateFolder('QLVB-DATA');
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const typeFolder = await findOrCreateFolder(
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type === 'incoming' ? 'VanBanDen' : 'VanBanDi',
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qlvbFolder.id
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);
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const monthFolder = await findOrCreateFolder(month || `Tháng ${String(new Date().getMonth() + 1).padStart(2, '0')}`, typeFolder.id);
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const docFolder = await findOrCreateFolder(
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`${docName} - ${Date.now()}`,
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monthFolder.id
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);
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// Upload tất cả files
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const uploadedFiles = [];
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for (const file of req.files) {
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const
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file.originalname,
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uploadedFiles.push({
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id: uploadedFile.id,
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name: uploadedFile.name,
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iconLink: `https://drive.google.com/file/d/${uploadedFile.id}/view`,
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webViewLink: uploadedFile.webViewLink,
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webContentLink: uploadedFile.webContentLink,
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});
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// Xóa file tạm
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fs.unlinkSync(file.path);
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}
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// Lấy danh sách files trong folder
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const drive = google.drive({ version: 'v3', auth: oauth2Client });
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const filesList = await drive.files.list({
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q: `'${docFolder.id}' in parents and trashed=false`,
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fields: 'files(id, name, iconLink, webViewLink, webContentLink)',
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});
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res.json({
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folderId: docFolder.id,
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folderUrl: `https://drive.google.com/drive/folders/${docFolder.id}`,
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files: filesList.data.files || [],
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});
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} catch (error) {
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console.error(
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res.status(500).json({ error: error.message });
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}
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});
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//
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app.
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try {
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if (!adminRefreshToken) {
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return res.status(401).json({ error: 'Chưa đăng nhập Admin' });
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}
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await getAccessToken();
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const drive = google.drive({ version: 'v3', auth: oauth2Client });
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{ fileId, alt: 'media' },
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{ responseType: 'stream' }
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);
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response.data.pipe(res);
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} catch (error) {
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console.error(
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res.status(500).json({ error: error.message });
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}
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});
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app.
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res.json({
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logged_in: !!adminRefreshToken
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});
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});
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// Hugging Face Spaces dùng port 7860, local dùng 3000
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const PORT = process.env.PORT || process.env.SPACE_PORT || 3000;
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app.listen(PORT, () => {
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console.log(`Backend server running on port ${PORT}`);
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console.log('Lưu ý: Cần đăng nhập Admin (tài khoản 2TB) trước khi upload file');
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});
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require('dotenv').config();
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const express = require('express');
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const multer = require('multer');
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const { google } = require('googleapis');
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const fs = require('fs');
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const cors = require('cors');
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const app = express();
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const upload = multer({ dest: 'uploads/' });
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// Cho phép CORS
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app.use(cors({ origin: '*', credentials: true, allowedHeaders: ['Content-Type', 'Authorization', 'x-refresh-token'] }));
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app.use(express.json());
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const GOOGLE_CLIENT_ID = process.env.GOOGLE_CLIENT_ID;
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const GOOGLE_CLIENT_SECRET = process.env.GOOGLE_CLIENT_SECRET;
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const REDIRECT_URI = process.env.REDIRECT_URI;
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// Biến lưu token tạm thời (sẽ mất khi server restart)
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let adminRefreshToken = null;
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const oauth2Client = new google.auth.OAuth2(GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, REDIRECT_URI);
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// Hàm lấy Access Token (Tự động khôi phục từ Header nếu biến local bị mất)
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async function getAccessToken(req) {
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// 1. Nếu biến server null, thử lấy từ Header của request
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if (!adminRefreshToken && req && req.headers['x-refresh-token']) {
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console.log('Server restart detected. Restoring session from client header...');
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adminRefreshToken = req.headers['x-refresh-token'];
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}
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if (!adminRefreshToken) throw new Error('Chưa đăng nhập Admin (Session expired)');
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oauth2Client.setCredentials({ refresh_token: adminRefreshToken });
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const { credentials } = await oauth2Client.refreshAccessToken();
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return credentials.access_token;
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}
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// 1. Login
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app.post('/api/oauth/token', async (req, res) => {
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try {
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const { code, redirect_uri } = req.body;
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const client = new google.auth.OAuth2(GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, redirect_uri || REDIRECT_URI);
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const { tokens } = await client.getToken(code);
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if (tokens.refresh_token) {
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adminRefreshToken = tokens.refresh_token;
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}
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res.json(tokens);
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} catch (error) {
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res.status(500).json({ error: error.message });
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}
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});
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// 2. Upload
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app.post('/api/upload', upload.array('files'), async (req, res) => {
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try {
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// Truyền req vào để hàm getAccessToken tự tìm token trong header
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await getAccessToken(req);
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const drive = google.drive({ version: 'v3', auth: oauth2Client });
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const { docName } = req.body;
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// Tạo Folder
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const fileMetadata = {
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name: `${docName} - ${Date.now()}`,
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mimeType: 'application/vnd.google-apps.folder'
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};
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const folder = await drive.files.create({ resource: fileMetadata, fields: 'id' });
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const folderId = folder.data.id;
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const uploadedFiles = [];
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for (const file of req.files) {
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const media = { mimeType: file.mimetype, body: fs.createReadStream(file.path) };
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const driveFile = await drive.files.create({
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resource: { name: file.originalname, parents: [folderId] },
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media: media,
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fields: 'id, name, webViewLink, webContentLink'
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|
| 78 |
});
|
| 79 |
+
uploadedFiles.push(driveFile.data);
|
|
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|
| 80 |
fs.unlinkSync(file.path);
|
| 81 |
}
|
| 82 |
+
res.json({ folderId, files: uploadedFiles });
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|
| 83 |
} catch (error) {
|
| 84 |
+
console.error(error);
|
| 85 |
res.status(500).json({ error: error.message });
|
| 86 |
}
|
| 87 |
});
|
| 88 |
|
| 89 |
+
// 3. Delete
|
| 90 |
+
app.delete('/api/delete/:fileId', async (req, res) => {
|
| 91 |
try {
|
| 92 |
+
await getAccessToken(req); // Truyền req để khôi phục token
|
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|
| 93 |
|
|
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|
| 94 |
const drive = google.drive({ version: 'v3', auth: oauth2Client });
|
| 95 |
+
await drive.files.delete({ fileId: req.params.fileId });
|
| 96 |
+
res.json({ success: true });
|
|
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|
|
| 97 |
} catch (error) {
|
| 98 |
+
console.error(error);
|
| 99 |
res.status(500).json({ error: error.message });
|
| 100 |
}
|
| 101 |
});
|
| 102 |
|
| 103 |
+
const PORT = process.env.PORT || 3000;
|
| 104 |
+
app.listen(PORT, () => console.log(`Server running on port ${PORT}`));
|
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