Merged distrib-ipfs and tempfiles

This commit is contained in:
Evert Prants 2019-05-14 11:50:54 +03:00
parent 110cdd171e
commit 682197821a
Signed by: evert
GPG Key ID: 1688DA83D222D0B5
4 changed files with 48 additions and 54 deletions

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@ -1 +0,0 @@
*.db

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@ -1,50 +0,0 @@
const express = require('express')
const path = require('path')
const sqlite = require('sqlite')
const crypto = require('crypto')
const router = express.Router()
const cfgLoader = require(path.join('..', '..', 'config-loader'))(path.join(__dirname, 'config.json'), {
database: 'shortened.db',
gateway: 'https://distributed.icynet.eu',
tokens: {}
})
async function init () {
let config = await cfgLoader
const dbPromise = Promise.resolve()
.then(() => sqlite.open(path.join(__dirname, config.database), { Promise, cache: true }))
.then(db => db.migrate({ migrationsPath: path.join(__dirname, 'migrations') }))
router.get('/:hash', async (req, res, next) => {
if (!req.params.hash) return res.status(400).send('Invalid request')
let db = await dbPromise
let translation = await db.get('SELECT * FROM Translation WHERE translation = ?', req.params.hash)
if (!translation) return res.status(404).end()
res.header('Cache-Control', 'max-age=' + 7 * 24 * 60 * 60 * 1000)
res.redirect(config.gateway + '/ipfs/' + translation.file_hash)
})
router.post('/publish', async (req, res, next) => {
let token = req.header('token') || req.body.token
if (!token || !config.tokens[token]) return res.status(402).send('Forbidden')
let baseurl = config.tokens[token]
let hash = req.query.hash || req.body.hash
let filename = req.query.filename || req.body.filename
if (!hash) return res.status(400).send('Invalid request: missing IPFS hash')
if (!filename) filename = crypto.randomBytes(8).toString('hex')
let db = await dbPromise
await db.run('INSERT INTO Translation (translation,file_hash,timeat) VALUES (?,?,?)', filename, hash, new Date())
res.send(baseurl + filename)
})
return router
}
module.exports = init

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@ -4,13 +4,14 @@ const path = require('path')
const fsa = require('fs')
const fs = fsa.promises
const sqlite = require('sqlite')
const crypto = require('crypto')
const router = express.Router()
const cfgLoader = require(path.join('..', '..', 'config-loader'))(path.join(__dirname, 'config.json'), {
database: 'index.db',
root: './files',
expiry: 2246400,
baseurl: 'https://i.lunasqu.ee/',
gateway: 'https://distributed.icynet.eu',
tokens: {}
})
@ -23,10 +24,33 @@ function asyncForm (req, form) {
})
}
async function clearDatabase (config, dbPromise) {
let db = await dbPromise
let files = await db.all('SELECT * FROM File WHERE upload < ?', new Date() - (config.expiry * 1000))
if (files.length > 0) {
for (let i in files) {
let f = files[i]
try {
await fs.unlink(path.join(config.root, f.path))
} catch (e) {}
await db.run('DELETE FROM File WHERE path = ?', f.path)
}
}
// IPFS hashes
let hashes = await db.all('SELECT * FROM Translation WHERE timeat < ?', new Date() - (config.expiry * 1000))
if (hashes.length > 0) {
for (let i in hashes) {
await db.run('DELETE FROM Translation WHERE file_hash = ?', hashes[i].file_hash)
}
}
console.log('Database was cleared of %d files and %d IPFS hashes.', files.length, hashes.length)
}
async function init () {
let config = await cfgLoader
let root = path.resolve(config.root)
let baseurl = config.baseurl
await fs.access(root, fsa.constants.F_OK)
@ -34,14 +58,22 @@ async function init () {
.then(() => sqlite.open(path.join(__dirname, config.database), { Promise, cache: true }))
.then(db => db.migrate({ migrationsPath: path.join(__dirname, 'migrations') }))
await clearDatabase(config, dbPromise)
router.get('/:hash', async (req, res, next) => {
if (!req.params.hash) return res.status(400).send('Invalid request')
let db = await dbPromise
let file = await db.get('SELECT * FROM File WHERE path = ?', req.params.hash)
if (!file) return res.status(404).end()
let translation = await db.get('SELECT * FROM Translation WHERE translation = ?', req.params.hash)
if (!file && !translation) return res.status(404).end()
res.header('Cache-Control', 'max-age=' + 7 * 24 * 60 * 60 * 1000)
if (translation) {
return res.redirect(config.gateway + '/ipfs/' + translation.file_hash)
}
res.sendFile(path.join(root, file.path))
})
@ -49,6 +81,19 @@ async function init () {
let ip = req.ip
let token = req.header('token') || req.body.token
if (!token || !config.tokens[token]) return res.status(402).send('Forbidden')
let baseurl = config.tokens[token]
// Handle IPFS hash
let hash = req.query.hash || req.body.hash
if (hash) {
let filename = req.query.filename || req.body.filename
if (!filename) filename = crypto.randomBytes(8).toString('hex')
let db = await dbPromise
await db.run('INSERT INTO Translation (translation,file_hash,timeat) VALUES (?,?,?)', filename, hash, new Date())
return res.send(baseurl + filename)
}
// Handle multipart data
let form = new multiparty.Form()