gancio/server/helpers.js
2020-10-17 00:41:21 +02:00

139 lines
4.4 KiB
JavaScript

const settingsController = require('./api/controller/settings')
const acceptLanguage = require('accept-language')
const moment = require('moment-timezone')
const config = require('config')
const debug = require('debug')('helpers')
const pkg = require('../package.json')
const fs = require('fs')
const path = require('path')
const sharp = require('sharp')
const axios = require('axios')
const crypto = require('crypto')
const Microformats = require('microformat-node')
const get = require('lodash/get')
const DOMPurify = require('dompurify')
const { JSDOM } = require('jsdom')
const { window } = new JSDOM('<!DOCTYPE html>')
const domPurify = DOMPurify(window)
const URL = require('url')
const locales = require('../locales')
domPurify.addHook('beforeSanitizeElements', node => {
if (node.hasAttribute && node.hasAttribute('href')) {
const href = node.getAttribute('href')
const text = node.textContent
if (href.includes('fbclid=')) {
try {
const url = new URL.URL(href)
url.searchParams.delete('fbclid')
node.setAttribute('href', url.href)
if (text.includes('fbclid=')) {
node.textContent = url.href
}
} catch (e) {
return node
}
}
}
return node
})
module.exports = {
sanitizeHTML (html) {
return domPurify.sanitize(html, {
ALLOWED_TAGS: ['p', 'h1', 'h2', 'h3', 'h4', 'h5', 'br',
'h6', 'b', 'a', 'li', 'ul', 'ol', 'code', 'blockquote', 'u', 's', 'strong'],
ALLOWED_ATTR: ['href']
})
},
async initSettings (req, res, next) {
await settingsController.load()
// initialize settings
req.settings = settingsController.settings
req.secretSettings = settingsController.secretSettings
req.settings.baseurl = config.baseurl
req.settings.title = req.settings.title || config.title
req.settings.description = req.settings.description || config.description
req.settings.version = pkg.version
// set locale and user locale
const acceptedLanguages = req.headers['accept-language']
acceptLanguage.languages(Object.keys(locales))
req.settings.locale = acceptLanguage.get(acceptedLanguages)
req.settings.user_locale = settingsController.user_locale[req.settings.locale]
moment.locale(req.settings.locale)
moment.tz.setDefault(req.settings.instance_timezone)
next()
},
async getImageFromURL (url) {
debug(`getImageFromURL ${url}`)
const filename = crypto.randomBytes(16).toString('hex') + '.jpg'
const finalPath = path.resolve(config.upload_path, filename)
const thumbPath = path.resolve(config.upload_path, 'thumb', filename)
const outStream = fs.createWriteStream(finalPath)
const thumbStream = fs.createWriteStream(thumbPath)
const resizer = sharp().resize(1200).jpeg({ quality: 95 })
const thumbnailer = sharp().resize(400).jpeg({ quality: 90 })
const response = await axios({ method: 'GET', url, responseType: 'stream' })
return new Promise((resolve, reject) => {
let onError = false
const err = e => {
if (onError) {
return
}
onError = true
reject(e)
}
response.data
.pipe(thumbnailer)
.on('error', err)
.pipe(thumbStream)
.on('error', err)
response.data
.pipe(resizer)
.on('error', err)
.pipe(outStream)
.on('error', err)
outStream.on('finish', () => resolve(filename))
})
},
async importURL (req, res) {
const URL = req.query.URL
try {
const response = await axios.get(URL)
Microformats.get({ html: response.data, filter: ['h-event'] }, (err, data) => {
if (!data.items.length || !data.items[0].properties) return res.sendStatus(404)
const event = data.items[0].properties
return res.json({
title: get(event, 'name[0]', ''),
description: get(event, 'content[0]', ''),
place: get(event, 'location[0].properties.name', ''),
address: get(event, 'location[0].properties.street-address'),
start: get(event, 'start[0]', ''),
end: get(event, 'end[0]', ''),
tags: get(event, 'category', []),
image: get(event, 'featured[0]')
})
})
// const event = dom.window.document.querySelected(".h-event")
// console.error(event)
// console.error(response)
} catch(e){
console.error(e)
}
// res.json('ok')
}
}