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index.js
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index.js
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require('dotenv-defaults').config()
const next = require('next')
const exec = require('execa')
const Koa = require('koa')
const proxy = require('koa-proxy')
const serve = require('koa-static')
const koaCache = require('koa-cash')
const Router = require('koa-router')
const compress = require('koa-compress')
const cacheControl = require('koa-cache-control')
const requestId = require('koa-requestid')
const auth = require('koa-basic-auth')
const bodyParser = require('koa-bodyparser')
const Cache = require('./utils/cache.utils')
const { parsePackageString } = require('./utils/common.utils')
const firebaseUtils = require('./utils/firebase.utils')
const logger = require('./server/Logger')
const limit = require('./server/middlewares/rateLimit.middleware')
const exportsMiddlware = require('./server/middlewares/exports.middleware')
const exportsSizesMiddlware = require('./server/middlewares/exportsSizes.middleware')
const resolvePackageMiddleware = require('./server/middlewares/results/resolvePackage.middleware')
const cachedResponseMiddleware = require('./server/middlewares/results/cachedResponse.middleware')
const buildMiddleware = require('./server/middlewares/results/build.middleware')
const errorMiddleware = require('./server/middlewares/results/error.middleware')
const blockBlacklistMiddleware = require('./server/middlewares/results/blockBlacklist.middleware')
const requestLoggerMiddleware = require('./server/middlewares/requestLogger.middleware')
const similarPackagesMiddleware = require('./server/middlewares/similar-packages/similarPackages.middleware')
const generateImgMiddleware = require('./server/middlewares/generateImg.middleware')
const jsonCacheMiddleware = require('./server/middlewares/jsonCache.middleware')
const config = require('./server/config')
const cache = new Cache()
const port = parseInt(process.env.PORT) || config.DEFAULT_DEV_PORT
const dev = process.env.NODE_ENV !== 'production'
const app = next({ dev })
const handle = app.getRequestHandler()
app.prepare().then(() => {
const server = new Koa()
const router = new Router()
server.use(requestId())
server.use(bodyParser())
server.use(requestLoggerMiddleware)
server.use(cacheControl())
if (!dev) {
server.use(
limit({
duration: 1000 * 60 * 5, // 5 mins
max: 60,
})
)
}
server.use(async (ctx, next) => {
try {
await next()
} catch (err) {
if (401 == err.status) {
ctx.status = 401
ctx.set('WWW-Authenticate', 'Basic')
ctx.body = 'Permission denied'
} else {
throw err
}
}
})
server.use(
compress({
filter: function (contentType) {
return /(text|json|javascript|svg)/.test(contentType)
},
threshold: 2048,
flush: require('zlib').Z_SYNC_FLUSH,
})
)
server.use(
serve('./client/assets/public', {
maxage: config.CACHE.PUBLIC_ASSETS * 1000,
})
)
server.use(
proxy({
match: /^\/-\/search/,
host: 'https://www.npmjs.com',
})
)
router.get(
'/api/size',
jsonCacheMiddleware({
get: key => cache.getPackageSize(key),
set: (key, value) => cache.setPackageSize(key, value),
hash: ctx => ({
name: ctx.state.resolved.name,
version: ctx.state.resolved.version,
}),
}),
errorMiddleware,
resolvePackageMiddleware,
blockBlacklistMiddleware,
cachedResponseMiddleware,
buildMiddleware
)
router.get(
'/api/exports',
errorMiddleware,
resolvePackageMiddleware,
blockBlacklistMiddleware,
exportsMiddlware
)
router.get(
'/api/exports-sizes',
jsonCacheMiddleware({
get: key => cache.getExportsSize(key),
set: (key, value) => cache.setExportsSize(key, value),
hash: ctx => ({
name: ctx.state.resolved.name,
version: ctx.state.resolved.version,
}),
}),
errorMiddleware,
resolvePackageMiddleware,
blockBlacklistMiddleware,
cachedResponseMiddleware,
exportsSizesMiddlware
)
router.get('/api/recent', async ctx => {
try {
ctx.cacheControl = {
maxAge: config.CACHE.RECENTS_API,
}
ctx.body = await firebaseUtils.getRecentSearches(ctx.query.limit)
} catch (err) {
console.error('in /api/recent', err)
logger.error('RECENT', err, 'RECENT FAILED: failed')
ctx.status = 422
ctx.body = { type: err.name, message: err.message }
}
})
router.get('/api/package-history', async ctx => {
const { name } = parsePackageString(ctx.query.package)
try {
ctx.cacheControl = {
maxAge: config.CACHE.PACKAGE_HISTORY_API,
}
ctx.body = await firebaseUtils.getPackageHistory(name, ctx.query.limit)
} catch (err) {
console.error(err)
logger.error(
'HISTORY',
err,
'HISTORY FAILED: for package' + ctx.query.package
)
ctx.status = 422
ctx.body = { type: err.name, message: err.message }
}
})
router.get('/api/similar-packages', similarPackagesMiddleware)
router.get('/api/stats-image', generateImgMiddleware)
router.get(
'/admin/restart',
auth({ name: 'bundlephobia', pass: process.env.BASIC_AUTH_PASSWORD }),
async (ctx, next) => {
try {
const { stdout, stderr } = await exec.shell('pm2 reload all')
ctx.body = 'Server restarted' + stdout
} catch (err) {
console.error('Failed to restart', err)
ctx.status = 500
ctx.body = err
}
}
)
router.post('/admin/restart', async (ctx, next) => {
console.log('got', ctx.request.body)
const { name, pass } = ctx.request.body
if (name !== 'bundlephobia' || pass !== process.env.BASIC_AUTH_PASSWORD) {
console.error('Failed to restart')
ctx.status = 500
ctx.body = 'Failed to restart'
} else {
const { stdout, stderr } = await exec.shell('pm2 reload all')
ctx.body = 'Server restarted' + stdout
console.error(stderr)
}
})
router.get(
'/admin/clear-cache',
auth({ name: 'bundlephobia', pass: process.env.BASIC_AUTH_PASSWORD }),
async (ctx, next) => {
try {
const { stdout } = await exec.shell(
'rm -rf /tmp/tmp-build/cache/_cacache /tmp/tmp-build/packages/'
)
ctx.body = 'Cache cleared' + stdout
} catch (err) {
console.error('Failed to clear cache', err)
ctx.status = 500
ctx.body = err
}
}
)
router.get('*', async ctx => {
await handle(ctx.req, ctx.res)
ctx.respond = false
})
server.use(async (ctx, next) => {
ctx.res.statusCode = 200
await next()
})
server.use(router.routes())
server.listen(port, err => {
if (err) throw err
console.log(`> Ready on http://localhost:${port}`)
})
})