329 lines
10 KiB
JavaScript
329 lines
10 KiB
JavaScript
const config = require('../config.js')
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const path = require('path')
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const multer = require('multer')
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const randomstring = require('randomstring')
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const db = require('knex')(config.database)
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const crypto = require('crypto')
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const fs = require('fs')
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const utils = require('./utilsController.js')
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let uploadsController = {}
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const storage = multer.diskStorage({
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destination: function(req, file, cb) {
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cb(null, path.join(__dirname, '..', config.uploads.folder))
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},
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filename: function(req, file, cb) {
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cb(null, randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname))
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}
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})
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const upload = multer({
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storage: storage,
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limits: { fileSize: config.uploads.maxSize },
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fileFilter: function(req, file, cb) {
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if (config.blockedExtensions !== undefined) {
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if (config.blockedExtensions.some(extension => path.extname(file.originalname).toLowerCase() === extension)) {
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return cb('This file extension is not allowed');
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}
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return cb(null, true);
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}
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return cb(null, true);
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}
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}).array('files[]')
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uploadsController.upload = function(req, res, next) {
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// Get the token
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let token = req.headers.token
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// If we're running in private and there's no token, error
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if (config.private === true)
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if (token === undefined) return res.status(401).json({ success: false, description: 'No token provided' })
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// If there is no token then just leave it blank so the query fails
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if (token === undefined) token = ''
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db.table('users').where('token', token).then((user) => {
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if(user.length === 0)
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if(config.private === true)
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return res.status(401).json({ success: false, description: 'Invalid token provided' })
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let userid
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if(user.length > 0)
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userid = user[0].id
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// Check if user is trying to upload to an album
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let album
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if (userid !== undefined) {
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album = req.headers.albumid
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if (album === undefined)
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album = req.params.albumid
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}
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/*
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A rewrite is due so might as well do awful things here and fix them later :bloblul:
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*/
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if (album !== undefined && userid !== undefined) {
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// If both values are present, check if the album owner is the user uploading
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db.table('albums').where({ id: album, userid: userid }).then((albums) => {
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if (albums.length === 0) {
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return res.json({
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success: false,
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description: 'Album doesn\'t exist or it doesn\'t belong to the user'
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})
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}
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uploadsController.actuallyUpload(req, res, userid, album);
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})
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} else {
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uploadsController.actuallyUpload(req, res, userid, album);
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}
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}
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uploadsController.actuallyUpload = function(req, res, userid, album) {
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upload(req, res, function (err) {
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if (err) {
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console.error(err)
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return res.json({
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success: false,
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description: err
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})
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}
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if (req.files.length === 0) return res.json({ success: false, description: 'no-files' })
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let files = []
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let existingFiles = []
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let iteration = 1
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req.files.forEach(function(file) {
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// Check if the file exists by checking hash and size
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let hash = crypto.createHash('md5')
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let stream = fs.createReadStream(path.join(__dirname, '..', config.uploads.folder, file.filename))
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stream.on('data', function (data) {
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hash.update(data, 'utf8')
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})
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stream.on('end', function () {
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let fileHash = hash.digest('hex')
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db.table('files')
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.where(function() {
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if (userid === undefined)
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this.whereNull('userid')
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else
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this.where('userid', userid)
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})
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.where({
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hash: fileHash,
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size: file.size
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}).then((dbfile) => {
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if (dbfile.length !== 0) {
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uploadsController.deleteFile(file.filename).then(() => {}).catch((e) => console.error(e))
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existingFiles.push(dbfile[0])
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} else {
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files.push({
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name: file.filename,
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original: file.originalname,
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type: file.mimetype,
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size: file.size,
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hash: fileHash,
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ip: req.ip,
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albumid: album,
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userid: userid,
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timestamp: Math.floor(Date.now() / 1000)
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})
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}
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if (iteration === req.files.length)
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return uploadsController.processFilesForDisplay(req, res, files, existingFiles)
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iteration++
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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})
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})
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})
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}
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uploadsController.processFilesForDisplay = function(req, res, files, existingFiles) {
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let basedomain = req.get('host')
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for (let domain of config.domains)
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if (domain.host === req.get('host'))
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if (domain.hasOwnProperty('resolve'))
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basedomain = domain.resolve
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if (files.length === 0) {
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return res.json({
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success: true,
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files: existingFiles.map(file => {
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return {
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name: file.name,
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size: file.size,
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url: basedomain + '/' + file.name
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}
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})
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})
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}
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db.table('files').insert(files).then(() => {
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for (let efile of existingFiles) files.push(efile)
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res.json({
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success: true,
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files: files.map(file => {
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return {
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name: file.name,
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size: file.size,
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url: basedomain + '/' + file.name
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}
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})
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})
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for (let file of files) {
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let ext = path.extname(file.name).toLowerCase()
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if (utils.extensions.includes(ext)) {
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file.thumb = basedomain + '/thumbs/' + file.name.slice(0, -ext.length) + '.png'
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utils.generateThumbs(file)
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}
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}
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}
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uploadsController.delete = function(req, res) {
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let token = req.headers.token
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if (token === undefined) return res.status(401).json({ success: false, description: 'No token provided' })
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let id = req.body.id
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if (id === undefined || id === '')
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return res.json({ success: false, description: 'No file specified' })
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db.table('users').where('token', token).then((user) => {
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if (user.length === 0) return res.status(401).json({ success: false, description: 'Invalid token' })
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db.table('files')
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.where('id', id)
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.where(function() {
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if (user[0].username !== 'root')
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this.where('userid', user[0].id)
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})
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.then((file) => {
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uploadsController.deleteFile(file[0].name).then(() => {
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db.table('files').where('id', id).del().then(() => {
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return res.json({ success: true })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}).catch((e) => {
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console.log(e.toString())
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db.table('files').where('id', id).del().then(() => {
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return res.json({ success: true })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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})
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}
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uploadsController.deleteFile = function(file) {
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return new Promise(function(resolve, reject) {
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fs.stat(path.join(__dirname, '..', config.uploads.folder, file), function(err, stats) {
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if (err) { return reject(err) }
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fs.unlink(path.join(__dirname, '..', config.uploads.folder, file), function(err) {
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if (err) { return reject(err) }
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return resolve()
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})
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})
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})
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}
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uploadsController.list = function(req, res) {
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let token = req.headers.token
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if (token === undefined) return res.status(401).json({ success: false, description: 'No token provided' })
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db.table('users').where('token', token).then((user) => {
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if (user.length === 0) return res.status(401).json({ success: false, description: 'Invalid token'})
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let offset = req.params.page
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if (offset === undefined) offset = 0
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db.table('files')
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.where(function() {
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if (req.params.id === undefined)
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this.where('id', '<>', '')
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else
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this.where('albumid', req.params.id)
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})
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.where(function() {
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if (user[0].username !== 'root')
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this.where('userid', user[0].id)
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})
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.orderBy('id', 'DESC')
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.limit(25)
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.offset(25 * offset)
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.select('id', 'albumid', 'timestamp', 'name', 'userid')
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.then((files) => {
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db.table('albums').then((albums) => {
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let basedomain = req.get('host')
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for (let domain of config.domains)
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if (domain.host === req.get('host'))
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if (domain.hasOwnProperty('resolve'))
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basedomain = domain.resolve
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let userids = []
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for (let file of files) {
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file.file = basedomain + '/' + file.name
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file.date = new Date(file.timestamp * 1000)
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file.date = utils.getPrettyDate(file.date) // file.date.getFullYear() + '-' + (file.date.getMonth() + 1) + '-' + file.date.getDate() + ' ' + (file.date.getHours() < 10 ? '0' : '') + file.date.getHours() + ':' + (file.date.getMinutes() < 10 ? '0' : '') + file.date.getMinutes() + ':' + (file.date.getSeconds() < 10 ? '0' : '') + file.date.getSeconds()
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file.album = ''
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if (file.albumid !== undefined)
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for (let album of albums)
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if (file.albumid === album.id)
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file.album = album.name
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// Only push usernames if we are root
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if (user[0].username === 'root')
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if (file.userid !== undefined && file.userid !== null && file.userid !== '')
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userids.push(file.userid)
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let ext = path.extname(file.name).toLowerCase()
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if (utils.extensions.includes(ext)) {
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file.thumb = basedomain + '/thumbs/' + file.name.slice(0, -ext.length) + '.png'
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utils.generateThumbs(file)
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}
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}
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// If we are a normal user, send response
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if (user[0].username !== 'root') return res.json({ success: true, files })
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// If we are root but there are no uploads attached to a user, send response
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if (userids.length === 0) return res.json({ success: true, files })
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db.table('users').whereIn('id', userids).then((users) => {
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for (let user of users)
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for (let file of files)
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if (file.userid === user.id)
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file.username = user.username
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return res.json({ success: true, files })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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}).catch(function(error) { console.log(error); res.json({ success: false, description: 'error' }) })
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})
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}
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module.exports = uploadsController
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