DARLING in the FRANXXHEADmaster

1 files changed, 311 insertions, 0 deletions

diff --git a/controllers/uploadController.js b/controllers/uploadController.js
new file mode 100644
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+++ b/controllers/uploadController.js
@@ -0,0 +1,311 @@
+const config = require('../config.js');
+const path = require('path');
+const multer = require('multer');
+const randomstring = require('randomstring');
+const db = require('knex')(config.database);
+const crypto = require('crypto');
+const fs = require('fs');
+const utils = require('./utilsController.js');
+
+const uploadsController = {};
+
+// Let's default it to only 1 try
+const maxTries = config.uploads.maxTries || 1;
+const uploadDir = path.join(__dirname, '..', config.uploads.folder);
+
+const storage = multer.diskStorage({
+	destination: function(req, file, cb) {
+		cb(null, uploadDir);
+	},
+	filename: function(req, file, cb) {
+		const access = i => {
+			const name = randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname);
+			fs.access(path.join(uploadDir, name), err => {
+				if (err) return cb(null, name);
+				console.log(`A file named "${name}" already exists (${++i}/${maxTries}).`);
+				if (i < maxTries) return access(i);
+				return cb('Could not allocate a unique file name. Try again?');
+			});
+		};
+		access(0);
+	}
+});
+
+const upload = multer({
+	storage: storage,
+	limits: { fileSize: config.uploads.maxSize },
+	fileFilter: function(req, file, cb) {
+		if (config.blockedExtensions !== undefined) {
+			if (config.blockedExtensions.some(extension => path.extname(file.originalname).toLowerCase() === extension)) {
+				return cb('This file extension is not allowed');
+			}
+			return cb(null, true);
+		}
+		return cb(null, true);
+	}
+}).array('files[]');
+
+uploadsController.upload = async (req, res, next) => {
+	if (config.private === true) {
+		await utils.authorize(req, res);
+	}
+
+	const token = req.headers.token || '';
+	const user = await db.table('users').where('token', token).first();
+	if (user && (user.enabled === false || user.enabled === 0)) return res.json({
+		success: false,
+		description: 'This account has been disabled'
+	});
+	const albumid = req.headers.albumid || req.params.albumid;
+
+	if (albumid && user) {
+		const album = await db.table('albums').where({ id: albumid, userid: user.id }).first();
+		if (!album) {
+			return res.json({
+				success: false,
+				description: 'Album doesn\'t exist or it doesn\'t belong to the user'
+			});
+		}
+		return uploadsController.actuallyUpload(req, res, user, albumid);
+	}
+	return uploadsController.actuallyUpload(req, res, user, albumid);
+};
+
+uploadsController.actuallyUpload = async (req, res, userid, albumid) => {
+	upload(req, res, async err => {
+		if (err) {
+			console.error(err);
+			return res.json({ success: false, description: err });
+		}
+
+		if (req.files.length === 0) return res.json({ success: false, description: 'no-files' });
+
+		const files = [];
+		const existingFiles = [];
+		let iteration = 1;
+
+		req.files.forEach(async file => {
+			// Check if the file exists by checking hash and size
+			let hash = crypto.createHash('md5');
+			let stream = fs.createReadStream(path.join(__dirname, '..', config.uploads.folder, file.filename));
+
+			stream.on('data', data => {
+				hash.update(data, 'utf8');
+			});
+
+			stream.on('end', async () => {
+				const fileHash = hash.digest('hex');
+				const dbFile = await db.table('files')
+					.where(function() {
+						if (userid === undefined) this.whereNull('userid');
+						else this.where('userid', userid.id);
+					})
+					.where({
+						hash: fileHash,
+						size: file.size
+					})
+					.first();
+
+				if (!dbFile) {
+					files.push({
+						name: file.filename,
+						original: file.originalname,
+						type: file.mimetype,
+						size: file.size,
+						hash: fileHash,
+						ip: req.ip,
+						albumid: albumid,
+						userid: userid !== undefined ? userid.id : null,
+						timestamp: Math.floor(Date.now() / 1000)
+					});
+				} else {
+					uploadsController.deleteFile(file.filename).then(() => {}).catch(err => console.error(err));
+					existingFiles.push(dbFile);
+				}
+
+				if (iteration === req.files.length) {
+					return uploadsController.processFilesForDisplay(req, res, files, existingFiles, albumid);
+				}
+				iteration++;
+			});
+		});
+	});
+};
+
+uploadsController.processFilesForDisplay = async (req, res, files, existingFiles, albumid) => {
+	let basedomain = config.domain;
+	if (files.length === 0) {
+		return res.json({
+			success: true,
+			files: existingFiles.map(file => {
+				return {
+					name: file.name,
+					size: file.size,
+					url: `${basedomain}/${file.name}`
+				};
+			})
+		});
+	}
+
+	await db.table('files').insert(files);
+	for (let efile of existingFiles) files.push(efile);
+
+	for (let file of files) {
+		let ext = path.extname(file.name).toLowerCase();
+		if (utils.imageExtensions.includes(ext) || utils.videoExtensions.includes(ext)) {
+			file.thumb = `${basedomain}/thumbs/${file.name.slice(0, -ext.length)}.png`;
+			utils.generateThumbs(file);
+		}
+	}
+
+	let albumSuccess = true;
+	if (albumid) {
+		const editedAt = Math.floor(Date.now() / 1000)
+		albumSuccess = await db.table('albums')
+			.where('id', albumid)
+			.update('editedAt', editedAt)
+			.then(() => true)
+			.catch(error => {
+				console.log(error);
+				return false;
+			});
+	}
+
+	return res.json({
+		success: albumSuccess,
+		description: albumSuccess ? null : 'Warning: Error updating album.',
+		files: files.map(file => {
+			return {
+				name: file.name,
+				size: file.size,
+				url: `${basedomain}/${file.name}`
+			};
+		})
+	});
+};
+
+uploadsController.delete = async (req, res) => {
+	const user = await utils.authorize(req, res);
+	const id = req.body.id;
+	if (id === undefined || id === '') {
+		return res.json({ success: false, description: 'No file specified' });
+	}
+
+	const file = await db.table('files')
+		.where('id', id)
+		.where(function() {
+			if (user.username !== 'root') {
+				this.where('userid', user.id);
+			}
+		})
+		.first();
+
+	try {
+		await uploadsController.deleteFile(file.name);
+		await db.table('files').where('id', id).del();
+		if (file.albumid) {
+			await db.table('albums').where('id', file.albumid).update('editedAt', Math.floor(Date.now() / 1000));
+		}
+	} catch (err) {
+		console.log(err);
+	}
+
+	return res.json({ success: true });
+};
+
+uploadsController.deleteFile = function(file) {
+	const ext = path.extname(file).toLowerCase();
+	return new Promise((resolve, reject) => {
+		fs.stat(path.join(__dirname, '..', config.uploads.folder, file), (err, stats) => {
+			if (err) { return reject(err); }
+			fs.unlink(path.join(__dirname, '..', config.uploads.folder, file), err => {
+				if (err) { return reject(err); }
+				if (!utils.imageExtensions.includes(ext) && !utils.videoExtensions.includes(ext)) {
+					return resolve();
+				}
+				file = file.substr(0, file.lastIndexOf('.')) + '.png';
+				fs.stat(path.join(__dirname, '..', config.uploads.folder, 'thumbs/', file), (err, stats) => {
+					if (err) {
+						console.log(err);
+						return resolve();
+					}
+					fs.unlink(path.join(__dirname, '..', config.uploads.folder, 'thumbs/', file), err => {
+						if (err) { return reject(err); }
+						return resolve();
+					});
+				});
+			});
+		});
+	});
+};
+
+uploadsController.list = async (req, res) => {
+	const user = await utils.authorize(req, res);
+
+	let offset = req.params.page;
+	if (offset === undefined) offset = 0;
+
+	const files = await db.table('files')
+		.where(function() {
+			if (req.params.id === undefined) this.where('id', '<>', '');
+			else this.where('albumid', req.params.id);
+		})
+		.where(function() {
+			if (user.username !== 'root') this.where('userid', user.id);
+		})
+		.orderBy('id', 'DESC')
+		.limit(25)
+		.offset(25 * offset)
+		.select('id', 'albumid', 'timestamp', 'name', 'userid');
+
+	const albums = await db.table('albums');
+	let basedomain = config.domain;
+	let userids = [];
+
+	for (let file of files) {
+		file.file = `${basedomain}/${file.name}`;
+		file.date = new Date(file.timestamp * 1000);
+		file.date = utils.getPrettyDate(file.date);
+
+		file.album = '';
+
+		if (file.albumid !== undefined) {
+			for (let album of albums) {
+				if (file.albumid === album.id) {
+					file.album = album.name;
+				}
+			}
+		}
+
+		// Only push usernames if we are root
+		if (user.username === 'root') {
+			if (file.userid !== undefined && file.userid !== null && file.userid !== '') {
+				userids.push(file.userid);
+			}
+		}
+
+		let ext = path.extname(file.name).toLowerCase();
+		if (utils.imageExtensions.includes(ext) || utils.videoExtensions.includes(ext)) {
+			file.thumb = `${basedomain}/thumbs/${file.name.slice(0, -ext.length)}.png`;
+		}
+	}
+
+	// If we are a normal user, send response
+	if (user.username !== 'root') return res.json({ success: true, files });
+
+	// If we are root but there are no uploads attached to a user, send response
+	if (userids.length === 0) return res.json({ success: true, files });
+
+	const users = await db.table('users').whereIn('id', userids);
+	for (let dbUser of users) {
+		for (let file of files) {
+			if (file.userid === dbUser.id) {
+				file.username = dbUser.username;
+			}
+		}
+	}
+
+	return res.json({ success: true, files });
+};
+
+module.exports = uploadsController;