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115 lines
3.0 KiB
TypeScript
115 lines
3.0 KiB
TypeScript
import 'reflect-metadata'
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import { ApolloServer } from 'apollo-server-express'
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import express, { Express } from 'express'
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// database
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import connection from '@/typeorm/connection'
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import { checkDBVersion } from '@/typeorm/DBVersion'
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// server
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import cors from './cors'
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// import serverContext from './context'
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import plugins from './plugins'
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// config
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import { CONFIG } from '@/config'
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// graphql
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import schema from '@/graphql/schema'
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// webhooks
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// import { elopageWebhook } from '@/webhook/elopage'
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import { Connection } from '@dbTools/typeorm'
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import { apolloLogger } from './logger'
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import { Logger } from 'log4js'
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import helmet from 'helmet'
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import { slowDown } from 'express-slow-down'
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// i18n
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// import { i18n } from './localization'
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// TODO implement
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// import queryComplexity, { simpleEstimator, fieldConfigEstimator } from "graphql-query-complexity";
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type ServerDef = { apollo: ApolloServer; app: Express; con: Connection }
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export const createServer = async (
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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// context: any = serverContext,
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logger: Logger = apolloLogger,
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// localization: i18n.I18n = i18n,
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): Promise<ServerDef> => {
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logger.addContext('user', 'unknown')
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logger.debug('createServer...')
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// open mysql connection
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const con = await connection()
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if (!con || !con.isConnected) {
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logger.fatal(`Couldn't open connection to database!`)
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throw new Error(`Fatal: Couldn't open connection to database`)
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}
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// check for correct database version
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const dbVersion = await checkDBVersion(CONFIG.DB_VERSION)
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if (!dbVersion) {
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logger.fatal('Fatal: Database Version incorrect')
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throw new Error('Fatal: Database Version incorrect')
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}
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// Express Server
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const app = express()
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// cors
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app.use(cors)
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// Helmet helps secure Express apps by setting HTTP response headers.
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app.use(helmet())
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// rate limiter/ slow down to many requests
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const limiter = slowDown({
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windowMs: 1000, // 1 second
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delayAfter: 10, // Allow 10 requests per 1 second.
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delayMs: (hits) => hits * 50, // Add 100 ms of delay to every request after the 10th one.
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/**
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* So:
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*
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* - requests 1-10 are not delayed.
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* - request 11 is delayed by 550ms
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* - request 12 is delayed by 600ms
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* - request 13 is delayed by 650ms
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*
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* and so on. After 1 seconds, the delay is reset to 0.
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*/
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})
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app.use(limiter)
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// bodyparser json
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app.use(express.json())
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// bodyparser urlencoded for elopage
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app.use(express.urlencoded({ extended: true }))
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// i18n
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// app.use(localization.init)
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// Elopage Webhook
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// app.post('/hook/elopage/' + CONFIG.WEBHOOK_ELOPAGE_SECRET, elopageWebhook)
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// Apollo Server
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const apollo = new ApolloServer({
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schema: await schema(),
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// playground: CONFIG.GRAPHIQL,
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// introspection: CONFIG.GRAPHIQL,
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// context,
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plugins,
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logger,
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})
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apollo.applyMiddleware({ app, path: '/' })
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logger.debug('createServer...successful')
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return { apollo, app, con }
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}
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export default createServer
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