51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
const express = require('express')
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const path = require('path')
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const sqlite = require('sqlite')
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const crypto = require('crypto')
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const router = express.Router()
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const cfgLoader = require(path.join('..', '..', 'config-loader'))(path.join(__dirname, 'config.json'), {
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database: 'shortened.db',
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gateway: 'https://distributed.icynet.eu',
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tokens: {}
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})
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async function init () {
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let config = await cfgLoader
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const dbPromise = Promise.resolve()
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.then(() => sqlite.open(path.join(__dirname, config.database), { Promise, cache: true }))
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.then(db => db.migrate({ migrationsPath: path.join(__dirname, 'migrations') }))
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router.get('/:hash', async (req, res, next) => {
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if (!req.params.hash) return res.status(400).send('Invalid request')
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let db = await dbPromise
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let translation = await db.get('SELECT * FROM Translation WHERE translation = ?', req.params.hash)
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if (!translation) return res.status(404).end()
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res.header('Cache-Control', 'max-age=' + 7 * 24 * 60 * 60 * 1000)
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res.redirect(config.gateway + '/ipfs/' + translation.file_hash)
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})
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router.post('/publish', async (req, res, next) => {
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let token = req.header('token') || req.body.token
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if (!token || !config.tokens[token]) return res.status(402).send('Forbidden')
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let baseurl = config.tokens[token]
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let hash = req.query.hash || req.body.hash
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let filename = req.query.filename || req.body.filename
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if (!hash) return res.status(400).send('Invalid request: missing IPFS hash')
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if (!filename) filename = crypto.randomBytes(8).toString('hex')
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let db = await dbPromise
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await db.run('INSERT INTO Translation (translation,file_hash,timeat) VALUES (?,?,?)', filename, hash, new Date())
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res.send(baseurl + filename)
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})
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return router
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}
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module.exports = init
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