arknights-setu-rss-proxy

index.js

import { FetchRouter } from 'cf-worker-router'
const DOMParser = require('xmldom').DOMParser
const xmlserializer = require('xmlserializer')
// const JSDOM = require('jsdom').JSDOM

const DOMAIN = 'https://arknights-setu.bitnp-rhode.workers.dev/'
const router = new FetchRouter()
addEventListener('fetch', event => {
  // event.respondWith(handleRequest(event.request))
  router.onFetch(event)
})

router.route('/proxy/', async (event) => {
  const request = event.request
  let originUrl = new URL(request.url)
  let subdomain = originUrl.searchParams.get('domain')
  if (subdomain.search(/^[\w\d]+$/) === -1) {
    return new Response('Forbiden', {status: 400})
  }
  let fileName = originUrl.searchParams.get('file')
  let targetUrl = `https://${subdomain}.telesco.pe/file/${fileName}`
  // console.log(targetUrl)
  let req = new Request(targetUrl)
  let res = await fetch(req)
  return res
})

// function cdata ()
router.route('/feed/', async (event) => {
  const transImgUrl = function (rawUrl) {
    const match = rawUrl.match(/https:\/\/([\w\d]+)\.telesco.pe\/file\/(.+)/)
    if (match.length != 3) {
      console.log('img format gg')
      return false
    }
    const parsedImg = `${DOMAIN}proxy/?domain=${match[1]}&file=${match[2]}`
    return parsedImg
  }
  const rawXML = await fetch('https://rsshub.app/telegram/channel/arknights_anime').then(res => res.text())
  const xmlParser = new DOMParser()
  const XMLDom = xmlParser.parseFromString(rawXML, 'text/xml')
  // console.log(XMLDom.getElementsByTagName('description').$$length)
  const icon = XMLDom.getElementsByTagName('url')[0]
  icon.textContent = transImgUrl(icon.textContent)
  const descs = XMLDom.getElementsByTagName('description')
  // console.log(descs.$$length)
  for(let index = 1; index < descs.$$length; index ++) {
  // for(let index = 1; index < 2; index ++) {
    const des = descs[index]
    const htmlDom = xmlParser.parseFromString(des.textContent, 'text/xml')
    const imgs = htmlDom.getElementsByTagName('img')
    for (let imgIndex = 0; imgIndex < imgs.$$length; imgIndex ++) {
      const img = imgs[imgIndex]
      const parsedImg = transImgUrl(img.getAttribute('src'))
      img.setAttribute('src', parsedImg)
      console.log(parsedImg)
    }
    // const htmlRes = xmlserializer.serializeToString(htmlDom)
    // console.log(htmlDom.toString())
    des.textContent = htmlDom.toString()
  }
  // console.log(XMLDom.toString())
  return new Response(XMLDom.toString(), { headers: {'content-type': 'application/xml'}})
})