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#!/usr/bin/env node
const fs = require('fs')
const path = require('path')
const progress = require('progress-stream')
const fetch = require('simple-get')
const readline = require('readline')
// MEGA downloader
const mega = require('megajs')
const unzip = require('unzipper').Extract
const mkdirp = require('mkdirp')
const rimraf = require('rimraf')
const zeroFill = require('zero-fill')
fetch.concat('https://www.legendsofequestria.com/downloads', (err, res, data) => {
if (err) throw err
let html = data.toString('utf8')
const megaReg = /<a href="(https:\/\/mega\.nz\/file\/[a-zA-Z0-9_-]*#[a-zA-Z0-9_-]*)">(.*?)<\/a>/ig
const versions = {}
for (let ma; (ma = megaReg.exec(html));) {
let key = ma[2].trim().toLowerCase()
if (key === 'windows x32') key = 'win32'
else if (key === 'windows x64') key = 'win64'
versions[key] = ma[1]
}
const version = 'linux'
const megaUrl = versions[version]
if (!megaUrl) throw new Error('MEGA: No version found!')
const file = mega.File.fromURL(megaUrl)
file.loadAttributes((err) => {
if (err) throw err
const dlDir = 'dl'
const zipfile = path.join(dlDir, 'download.zip')
function extractAndRemove () {
let dir = 'dl/loe'
console.log('Removing ' + dir)
rimraf(dir, (err) => {
if (err) throw err
console.log('Extracting...', zipfile)
let stream = fs.createReadStream(zipfile).pipe(unzip({
path: dir,
verbose: false
}))
stream.on('error', (err) => {
console.log('unzip error:', err)
})
stream.on('close', () => {
if (version === 'macos') {
fs.chmodSync(path.join(dir, 'loe.app/Contents/MacOS/loe'), 0o755)
} else if (version === 'linux') {
fs.chmodSync(path.join(dir, 'loe.x86'), 0o755)
fs.chmodSync(path.join(dir, 'loe.x86_64'), 0o755)
}
console.log('Removing', zipfile)
fs.unlink(zipfile, (err) => {
console.log('Finished!')
})
})
})
}
mkdirp(dlDir).then(() => {
let start = 0
try {
start = fs.statSync(zipfile).size
} catch (err) {}
fs.readFile(path.join(dlDir, 'version.txt'), 'utf8', (err, data) => {
if (data !== megaUrl) {
// restart download, new version
start = 0
}
fs.writeFile(path.join(dlDir, 'version.txt'), Buffer.from(megaUrl, 'utf8'), (err) => {
if (err) throw err
console.log(file.name, Math.round(file.size / 1024 / 1024) + ' MB')
if (start >= file.size) return extractAndRemove()
const ss = progress({
time: 1000,
length: file.size,
transferred: start
})
ss.on('progress', (info) => {
readline.clearLine(process.stdout, 0)
readline.cursorTo(process.stdout, 0)
process.stdout.write('Downloading [ ' + zeroFill(3, Math.round(info.percentage), ' ') + '% | ' + Math.floor(info.eta / 60 / 60) + ':' + zeroFill(2, Math.floor(info.eta / 60) % 60) + ':' + zeroFill(2, Math.floor(info.eta % 60)) + ' remaining | ' + zeroFill(5, (Math.round(info.speed / 1024 / 1024 * 100) / 100).toFixed(2), ' ') + ' MB/s ]')
})
let stream = file.download({start})
stream.pipe(ss).pipe(fs.createWriteStream(zipfile, {flags: start > 0 ? 'r+' : 'w', start}))
stream.once('end', () => {
readline.clearLine(process.stdout, 0)
readline.cursorTo(process.stdout, 0)
if (ss.progress().remaining !== 0) console.warn('Warning: Remaining bytes is not zero: ' + ss.progress().remaining)
extractAndRemove()
})
})
})
}).catch((err) => {
throw err
})
})
})
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