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const path = require('path')
const config = require('../config.js')
const multer = require('multer')
const randomstring = require('randomstring')
const db = require('knex')(config.database)
const crypto = require('crypto')
const fs = require('fs')
let uploadsController = {}
const storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, './' + config.uploads.folder + '/')
},
filename: function (req, file, cb) {
cb(null, randomstring.generate(config.uploads.fileLength) + path.extname(file.originalname))
}
})
const upload = multer({
storage: storage,
limits: { fileSize: config.uploads.maxSize }
}).array('files[]')
uploadsController.upload = function(req, res, next){
if(config.private === true)
if(req.headers.auth !== config.clientToken)
return res.status(401).json({ success: false, description: 'not-authorized'})
let album = req.params.albumid
if(album !== undefined)
if(req.headers.adminauth !== config.adminToken)
return res.status(401).json({ success: false, description: 'not-authorized'})
upload(req, res, function (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' })
let files = []
let existingFiles = []
let iteration = 1
req.files.forEach(function(file) {
// Check if the file exists by checking hash and size
let hash = crypto.createHash('md5')
let stream = fs.createReadStream('./' + config.uploads.folder + '/' + file.filename)
stream.on('data', function (data) {
hash.update(data, 'utf8')
})
stream.on('end', function () {
let fileHash = hash.digest('hex') // 34f7a3113803f8ed3b8fd7ce5656ebec
db.table('files').where({
hash: fileHash,
size: file.size
}).then((dbfile) => {
if(dbfile.length !== 0){
uploadsController.deleteFile(file.filename).then(() => {}).catch((e) => console.error(e))
existingFiles.push(dbfile[0])
}else{
files.push({
name: file.filename,
original: file.originalname,
type: file.mimetype,
size: file.size,
hash: fileHash,
ip: req.ip,
albumid: album,
timestamp: Math.floor(Date.now() / 1000)
})
}
if(iteration === req.files.length)
return uploadsController.processFilesForDisplay(req, res, files, existingFiles)
iteration++
})
})
})
})
}
uploadsController.processFilesForDisplay = function(req, res, files, existingFiles){
let basedomain = req.get('host')
for(let domain of config.domains)
if(domain.host === req.get('host'))
if(domain.hasOwnProperty('resolve'))
basedomain = domain.resolve
if(files.length === 0){
return res.json({
success: true,
files: existingFiles.map(file => {
return {
name: file.name,
size: file.size,
url: 'http://' + basedomain + '/' + file.name
}
})
})
}
db.table('files').insert(files).then(() => {
for(let efile of existingFiles) files.push(efile)
res.json({
success: true,
files: files.map(file => {
return {
name: file.name,
size: file.size,
url: 'http://' + basedomain + '/' + file.name
}
})
})
}).catch(function(error) { console.log(error); res.json({success: false, description: 'error'}) })
}
uploadsController.delete = function(req, res){
if(req.headers.auth !== config.adminToken)
return res.status(401).json({ success: false, description: 'not-authorized'})
let id = req.body.id
if(id === undefined || id === '')
return res.json({ success: false, description: 'No file specified' })
db.table('files').where('id', id).then((file) => {
uploadsController.deleteFile(file[0].name).then(() => {
db.table('files').where('id', id).del().then(() =>{
return res.json({ success: true })
}).catch(function(error) { console.log(error); res.json({success: false, description: 'error'}) })
}).catch((e) => {
return res.json({ success: false, description: e.toString() })
})
}).catch(function(error) { console.log(error); res.json({success: false, description: 'error'}) })
}
uploadsController.deleteFile = function(file){
return new Promise(function(resolve, reject){
fs.stat('./' + config.uploads.folder + '/' + file, function (err, stats) {
if (err) { return reject(err) }
fs.unlink('./' + config.uploads.folder + '/' + file, function(err){
if (err) { return reject(err) }
return resolve()
})
})
})
}
uploadsController.list = function(req, res){
if(req.headers.auth !== config.adminToken)
return res.status(401).json({ success: false, description: 'not-authorized'})
let offset = req.params.page
if(offset === undefined) offset = 0
db.table('files')
.where(function(){
if(req.params.id === undefined)
this.where('id', '<>', '')
else
this.where('albumid', req.params.id)
})
.orderBy('id', 'DESC')
.limit(25)
.offset(25 * offset)
.then((files) => {
db.table('albums').then((albums) => {
let basedomain = req.get('host')
for(let domain of config.domains)
if(domain.host === req.get('host'))
if(domain.hasOwnProperty('resolve'))
basedomain = domain.resolve
for(let file of files){
file.file = 'http://' + basedomain + '/' + file.name
file.date = new Date(file.timestamp * 1000)
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()
file.album = ''
if(file.albumid !== undefined)
for(let album of albums)
if(file.albumid === album.id)
file.album = album.name
}
return res.json({
success: true,
files
})
})
}).catch(function(error) { console.log(error); res.json({success: false, description: 'error'}) })
}
module.exports = uploadsController
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