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index.js
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index.js
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'use strict'
const fs = require('node:fs/promises')
const path = require('node:path')
const { request, ProxyAgent } = require('undici')
const xmlBuilder = require('xmlbuilder')
const CloudFlare = require('./cloudflare')
const XML_WORKER_TEMPLATE_PATH = path.join(__dirname, 'xml-template.js')
const XML_WORKER_TEMPLATE_TAG = 'XML_REPLACE_TAG'
const TXT_WORKER_TEMPLATE_PATH = path.join(__dirname, 'txt-template.js')
const TXT_WORKER_TEMPLATE_TAG = 'TXT_REPLACE_TAG'
const MAX_RETRY_COUNT = 5
const cloudFlare = new CloudFlare(
process.env.CLOUDFLARE_EMAIL,
process.env.CLOUDFLARE_API_KEY
)
async function fetchSiteLocales (url, proxy, retryCount = 0) {
try {
const { statusCode, body } = await request(url, {
dispatcher: proxy,
method: 'GET',
headers: {
Accept: 'application/vnd.softswiss.v1+json',
'user-agent': 'sitemap-generator-ss',
'content-type': 'application/json'
}
})
if (statusCode !== 200) {
throw new Error(`Could not get site locales: ${statusCode}`)
}
return body.json()
} catch (error) {
if (retryCount < MAX_RETRY_COUNT) {
return fetchSiteLocales(url, proxy, retryCount + 1)
} else {
throw new Error(`Could not get site locales: ${error}`)
}
}
}
function getLocalesCodes (locales) {
return locales.map(locale => locale.code)
}
function filterLocalesCodes (locales, disabledLocales) {
return locales.filter(locale => !disabledLocales.includes(locale))
}
async function fetchSitePagesInfo (url, proxy, retryCount = 0) {
try {
const { statusCode, body } = await request(url, {
dispatcher: proxy,
method: 'GET',
headers: {
Accept: 'application/vnd.softswiss.v1+json',
'user-agent': 'sitemap-generator-ss',
'content-type': 'application/json'
}
})
if (statusCode !== 200) {
throw new Error(`Could not get site pages: ${statusCode}`)
}
return await body.json()
} catch (error) {
if (retryCount < MAX_RETRY_COUNT) {
return fetchSitePagesInfo(url, proxy, retryCount + 1)
} else {
throw new Error(`Could not get site pages: ${error}`)
}
}
}
function getSitePagesPaths (pagesInfo) {
const sitePaths = ['']
for (const pageInfo of pagesInfo) {
sitePaths.push(...getSitePagePaths(pageInfo))
}
return sitePaths
}
function getSitePagePaths (pageInfo) {
const pagePaths = [pageInfo.path]
if (pageInfo.children) {
for (const childPage of pageInfo.children) {
pagePaths.push(...getSitePagePaths(childPage))
}
}
return pagePaths
}
function filterPagesPaths (sitePagesPaths, disabledUrls) {
return sitePagesPaths.filter(path => {
for (const disabledUrl of disabledUrls) {
const regex = new RegExp(disabledUrl)
if (regex.test(path)) {
return false
}
}
return true
})
}
async function fetchExtendedSitePageInfo (url, pagePath, localeCode, proxy, retryCount = 0) {
if (pagePath === '') {
return { blocks: {} }
}
const pageURL = url + '/' + pagePath + '?locale=' + localeCode
try {
const { statusCode, body } = await request(pageURL, {
dispatcher: proxy,
method: 'GET',
headers: {
Accept: 'application/vnd.softswiss.v1+json',
'content-type': 'application/json',
'user-agent': 'sitemap-generator-ss',
locale_override: 'forbidden',
'accept-language': localeCode
}
})
console.log(statusCode, localeCode, pagePath, `attempt: ${retryCount}`)
if (statusCode !== 200) {
if (statusCode === 404) {
return null
} else {
const response = await body.text()
throw new Error(`Could not get ${pageURL} site page blocks for locale ${localeCode}: ${statusCode}, ${response}`)
}
}
return await body.json()
} catch (error) {
if (retryCount < MAX_RETRY_COUNT) {
console.log(localeCode, pagePath, error, `attempt: ${retryCount}`)
return fetchExtendedSitePageInfo(url, pagePath, localeCode, proxy, retryCount + 1)
} else {
throw new Error(`Could not get ${pageURL} site page blocks for locale ${localeCode}: ${error}`)
}
}
}
async function filterPagesByNoIndex (url, siteLocales, pagesPaths, proxy) {
const filteredPages = await Promise.all(siteLocales.map(
siteLocale => filterLocalePagesByNoIndex(url, siteLocale, pagesPaths, proxy))
)
const pagesByLocale = {}
for (let i = 0; i < siteLocales.length; i++) {
const siteLocale = siteLocales[i]
pagesByLocale[siteLocale] = filteredPages[i]
}
return pagesByLocale
}
async function filterLocalePagesByNoIndex (url, siteLocale, pagesPaths, proxy) {
const extendedPagesInfo = await Promise.all(pagesPaths.map(
pagesPath => fetchExtendedSitePageInfo(url, pagesPath, siteLocale, proxy))
)
const filteredPages = []
for (let i = 0; i < pagesPaths.length; i++) {
const pagePath = pagesPaths[i]
const extendedPageInfo = extendedPagesInfo[i]
if (extendedPageInfo === null) {
continue
}
const blocks = extendedPageInfo.blocks
if (blocks.noindex || blocks.invisible_route) {
continue
}
filteredPages.push(pagePath)
}
return filteredPages
}
function generateXML (baseURL, pathsByLocale) {
const xml = xmlBuilder.create('urlset', { version: '1.0', encoding: 'UTF-8' })
.att({
xmlns: 'http://www.sitemaps.org/schemas/sitemap/0.9',
'xmlns:xhtml': 'http://www.w3.org/1999/xhtml'
})
for (const [locale, paths] of Object.entries(pathsByLocale)) {
for (const pagePath of paths) {
const [priority, freq] = getMetadata(pagePath)
const url = generateUrl(baseURL, pagePath, locale)
const xUrl = xml.ele('url')
xUrl.ele('loc', url)
xUrl.ele('priority', priority.toFixed(1))
xUrl.ele('changefreq', freq)
for (const [locale, paths] of Object.entries(pathsByLocale)) {
if (paths.includes(pagePath)) {
xUrl.ele('xhtml:link')
.att({
rel: 'alternate',
hreflang: locale,
href: generateUrl(baseURL, pagePath, locale)
})
}
}
}
}
return xml.end({ pretty: true, indent: ' ', newline: '\n' })
}
function generateUrl (baseURl, pagePath, locale) {
let url = baseURl
if (locale !== 'en') {
url += '/' + locale
}
if (pagePath !== '') {
url += '/' + pagePath
}
return url
}
function getMetadata (path) {
const arr = path.split('/')
switch (arr[0]) {
case '': return [1.0, 'always']
case 'games': return [0.8, 'daily']
default: return [0.6, 'weekly']
}
}
async function updateXmlSiteWorker (siteConfig) {
const proxy = new ProxyAgent({
uri: siteConfig.proxy.url,
auth: Buffer.from(`${siteConfig.proxy.username}:${siteConfig.proxy.password}`).toString('base64'),
headers: { 'proxy-connection': 'keep-alive' },
connections: 5
})
const [siteLocales, sitePagesInfo] = await Promise.all(
[
fetchSiteLocales(siteConfig.SS_API_LOCALES_URL, proxy),
fetchSitePagesInfo(siteConfig.SS_API_PAGES_URL, proxy)
]
)
const siteLocalesCodes = filterLocalesCodes(getLocalesCodes(siteLocales), siteConfig.disabledLocales)
const sitePagesPaths = filterPagesPaths(getSitePagesPaths(sitePagesInfo), siteConfig.disabledUrls)
const pathsByLocale = await filterPagesByNoIndex(
siteConfig.SS_API_PAGES_URL,
siteLocalesCodes,
sitePagesPaths,
proxy
)
proxy.close()
let xmlDocument = generateXML(siteConfig.BASE, pathsByLocale)
if (siteConfig.rewrite && siteConfig.rewrite.length > 0) {
siteConfig.rewrite.forEach(toReplace => {
xmlDocument = xmlDocument.replaceAll(toReplace, '')
})
}
const xmlWorkerScriptTemplate = await fs.readFile(XML_WORKER_TEMPLATE_PATH, 'utf8')
const xmlWorkerScript = xmlWorkerScriptTemplate.replace(XML_WORKER_TEMPLATE_TAG, xmlDocument)
console.log(xmlWorkerScript)
await cloudFlare.uploadWorkerScript(siteConfig.ACCOUNT_ID, siteConfig.WORKER_NAME, xmlWorkerScript)
}
async function updateTxtSiteWorker (siteConfig, robotsData) {
const txtWorkerScriptTemplate = await fs.readFile(TXT_WORKER_TEMPLATE_PATH, 'utf8')
const txtWorkerScript = txtWorkerScriptTemplate.replace(TXT_WORKER_TEMPLATE_TAG, robotsData)
await cloudFlare.uploadWorkerScript(siteConfig.ACCOUNT_ID, siteConfig.WORKER_NAME, txtWorkerScript)
}
module.exports = { updateXmlSiteWorker, updateTxtSiteWorker }