filesafe/lolisafe.js
Bobby Wibowo 783ac81bf7
Updated
lolisafe.js: fixed a logic

faq.njk: fixed typo
2020-02-13 14:37:19 +07:00

298 lines
9.4 KiB
JavaScript

const bodyParser = require('body-parser')
const clamd = require('clamdjs')
const express = require('express')
const helmet = require('helmet')
const nunjucks = require('nunjucks')
const path = require('path')
const RateLimit = require('express-rate-limit')
const readline = require('readline')
const config = require('./config')
const logger = require('./logger')
const versions = require('./src/versions')
const safe = express()
process.on('uncaughtException', error => {
logger.error(error, { prefix: 'Uncaught Exception: ' })
})
process.on('unhandledRejection', error => {
logger.error(error, { prefix: 'Unhandled Rejection (Promise): ' })
})
const paths = require('./controllers/pathsController')
const utils = require('./controllers/utilsController')
const album = require('./routes/album')
const api = require('./routes/api')
const nojs = require('./routes/nojs')
const db = require('knex')(config.database)
safe.use(helmet())
if (config.trustProxy) safe.set('trust proxy', 1)
// https://mozilla.github.io/nunjucks/api.html#configure
nunjucks.configure('views', {
autoescape: true,
express: safe,
noCache: process.env.NODE_ENV === 'development'
})
safe.set('view engine', 'njk')
safe.enable('view cache')
// Configure rate limits
if (Array.isArray(config.rateLimits) && config.rateLimits.length)
for (const rateLimit of config.rateLimits) {
const limiter = new RateLimit(rateLimit.config)
for (const route of rateLimit.routes)
safe.use(route, limiter)
}
safe.use(bodyParser.urlencoded({ extended: true }))
safe.use(bodyParser.json())
let cdnPages
let setHeaders = res => {
res.set('Access-Control-Allow-Origin', '*')
}
// Cache control (safe.fiery.me)
if (config.cacheControl) {
const cacheControls = {
// max-age: 6 months
static: 'public, max-age=15778800, must-revalidate, proxy-revalidate, immutable, stale-while-revalidate=86400, stale-if-error=604800',
// s-max-age: 6 months (only cache in CDN)
cdn: 's-max-age=15778800, proxy-revalidate, stale-while-revalidate=86400, stale-if-error=604800',
// validate cache's validity before using them (soft cache)
validate: 'no-cache',
// do not use cache at all
disable: 'no-store'
}
// By default soft cache everything
safe.use('/', (req, res, next) => {
res.set('Cache-Control', cacheControls.validate)
next()
})
// If using CDN, cache public pages in CDN
if (config.cacheControl !== 2) {
cdnPages = config.pages.concat(['api/check'])
for (const page of cdnPages)
safe.use(`/${page === 'home' ? '' : page}`, (req, res, next) => {
res.set('Cache-Control', cacheControls.cdn)
next()
})
}
// If serving uploads with node
if (config.serveFilesWithNode)
safe.use('/', express.static(paths.uploads, {
setHeaders: res => {
res.set('Access-Control-Allow-Origin', '*')
// If using CDN, cache uploads in CDN as well
// Use with cloudflare.purgeCache enabled in config file
if (config.cacheControl !== 2)
res.set('Cache-Control', cacheControls.cdn)
}
}))
// Function for static assets.
// This requires the assets to use version in their query string,
// as they will be cached by clients for a very long time.
setHeaders = res => {
res.set('Access-Control-Allow-Origin', '*')
res.set('Cache-Control', cacheControls.static)
}
// Consider album ZIPs static as well, since they use version in their query string
safe.use(['/api/album/zip'], (req, res, next) => {
res.set('Access-Control-Allow-Origin', '*')
const versionString = parseInt(req.query.v)
if (versionString > 0)
res.set('Cache-Control', cacheControls.static)
else
res.set('Cache-Control', cacheControls.disable)
next()
})
} else if (config.serveFilesWithNode) {
// If serving uploads with node
safe.use('/', express.static(paths.uploads))
}
// Static assets
safe.use('/', express.static(paths.public, { setHeaders }))
safe.use('/', express.static(paths.dist, { setHeaders }))
safe.use('/', album)
safe.use('/', nojs)
safe.use('/api', api)
;(async () => {
try {
// Init database
await require('./database/db.js')(db)
// Verify paths, create missing ones, clean up temp ones
await paths.init()
if (!Array.isArray(config.pages) || !config.pages.length) {
logger.error('Config file does not have any frontend pages enabled')
process.exit(1)
}
// Re-map version strings if cache control is enabled (safe.fiery.me)
utils.versionStrings = {}
if (config.cacheControl)
for (const type in versions)
utils.versionStrings[type] = `?_=${versions[type]}`
// Check for custom pages, otherwise fallback to Nunjucks templates
for (const page of config.pages) {
const customPage = path.join(paths.customPages, `${page}.html`)
if (!await paths.access(customPage).catch(() => true))
safe.get(`/${page === 'home' ? '' : page}`, (req, res, next) => res.sendFile(customPage))
else if (page === 'home')
safe.get('/', (req, res, next) => res.render(page, {
config,
versions: utils.versionStrings,
gitHash: utils.gitHash
}))
else
safe.get(`/${page}`, (req, res, next) => res.render(page, {
config,
versions: utils.versionStrings
}))
}
// Error pages
safe.use((req, res, next) => {
res.setHeader('Cache-Control', 'no-store')
res.status(404).sendFile(path.join(paths.errorRoot, config.errorPages[404]))
})
safe.use((error, req, res, next) => {
logger.error(error)
res.setHeader('Cache-Control', 'no-store')
res.status(500).sendFile(path.join(paths.errorRoot, config.errorPages[500]))
})
// Git hash
if (config.showGitHash) {
utils.gitHash = await new Promise((resolve, reject) => {
require('child_process').exec('git rev-parse HEAD', (error, stdout) => {
if (error) return reject(error)
resolve(stdout.replace(/\n$/, ''))
})
})
logger.log(`Git commit: ${utils.gitHash}`)
}
// Clamd scanner
if (config.uploads.scan && config.uploads.scan.enabled) {
const { ip, port } = config.uploads.scan
const version = await clamd.version(ip, port)
logger.log(`${ip}:${port} ${version}`)
utils.clamd.scanner = clamd.createScanner(ip, port)
if (!utils.clamd.scanner)
throw 'Could not create clamd scanner'
}
// Cache file identifiers
if (config.uploads.cacheFileIdentifiers) {
utils.idSet = await db.table('files')
.select('name')
.then(rows => {
return new Set(rows.map(row => row.name.split('.')[0]))
})
logger.log(`Cached ${utils.idSet.size} file identifiers`)
}
// Binds Express to port
await new Promise((resolve, reject) => {
try {
safe.listen(config.port, () => resolve())
} catch (error) {
reject(error)
}
})
logger.log(`lolisafe started on port ${config.port}`)
// Cache control (safe.fiery.me)
// Purge Cloudflare cache
if (config.cacheControl && config.cacheControl !== 2)
if (config.cloudflare.purgeCache) {
logger.log('Cache control enabled, purging Cloudflare\'s cache...')
const results = await utils.purgeCloudflareCache(cdnPages)
let errored = false
let succeeded = 0
for (const result of results) {
if (result.errors.length) {
if (!errored) errored = true
result.errors.forEach(error => logger.log(`[CF]: ${error}`))
continue
}
succeeded += result.files.length
}
if (!errored)
logger.log(`Successfully purged ${succeeded} cache`)
} else {
logger.log('Cache control enabled without Cloudflare\'s cache purging')
}
// Temporary uploads
if (Array.isArray(config.uploads.temporaryUploadAges) && config.uploads.temporaryUploadAges.length) {
let temporaryUploadsInProgress = false
const temporaryUploadCheck = async () => {
if (temporaryUploadsInProgress)
return
temporaryUploadsInProgress = true
const result = await utils.bulkDeleteExpired()
if (result.expired.length) {
let logMessage = `Deleted ${result.expired.length} expired upload(s)`
if (result.failed.length)
logMessage += ` but unable to delete ${result.failed.length}`
logger.log(logMessage)
}
temporaryUploadsInProgress = false
}
temporaryUploadCheck()
if (config.uploads.temporaryUploadsInterval)
setInterval(temporaryUploadCheck, config.uploads.temporaryUploadsInterval)
}
// NODE_ENV=development yarn start
if (process.env.NODE_ENV === 'development') {
// Add readline interface to allow evaluating arbitrary JavaScript from console
readline.createInterface({
input: process.stdin,
output: process.stdout,
prompt: ''
}).on('line', line => {
try {
if (line === 'rs')
return
if (line === '.exit')
return process.exit(0)
// eslint-disable-next-line no-eval
logger.log(eval(line))
} catch (error) {
logger.error(error.toString())
}
}).on('SIGINT', () => {
process.exit(0)
})
logger.log('Development mode (disabled nunjucks caching & enabled readline interface)')
}
} catch (error) {
logger.error(error)
process.exit(1)
}
})()