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Remove dependence on node crypto module in landing.js

pull/315/head
Daniel Scalzi 2023-11-11 23:37:37 -05:00
parent ab7e3c301c
commit 7e95771957
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GPG Key ID: 9E3E2AFE45328AA5
1 changed files with 78 additions and 83 deletions
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161
app/assets/js/scripts/landing.js
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@ -2,8 +2,6 @@
* Script for landing.ejs * Script for landing.ejs
*/ */
// Requirements // Requirements
const cp = require('child_process')
const crypto = require('crypto')
const { URL } = require('url') const { URL } = require('url')
const { const {
MojangRestAPI, MojangRestAPI,
@ -800,6 +798,16 @@ function showNewsAlert(){
$(newsButtonAlert).fadeIn(250) $(newsButtonAlert).fadeIn(250)
} }
async function digestMessage(str) {
const msgUint8 = new TextEncoder().encode(str)
const hashBuffer = await crypto.subtle.digest('SHA-1', msgUint8)
const hashArray = Array.from(new Uint8Array(hashBuffer))
const hashHex = hashArray
.map((b) => b.toString(16).padStart(2, '0'))
.join('')
return hashHex
}
/** /**
* Initialize News UI. This will load the news and prepare * Initialize News UI. This will load the news and prepare
* the UI accordingly. * the UI accordingly.
@ -807,106 +815,93 @@ function showNewsAlert(){
* @returns {Promise.<void>} A promise which resolves when the news * @returns {Promise.<void>} A promise which resolves when the news
* content has finished loading and transitioning. * content has finished loading and transitioning.
*/ */
function initNews(){ async function initNews(){
return new Promise((resolve, reject) => { setNewsLoading(true)
setNewsLoading(true)
let news = {} const news = await loadNews()
loadNews().then(news => {
newsArr = news?.articles || null newsArr = news?.articles || null
if(newsArr == null){ if(newsArr == null){
// News Loading Failed // News Loading Failed
setNewsLoading(false) setNewsLoading(false)
$('#newsErrorLoading').fadeOut(250, () => { await $('#newsErrorLoading').fadeOut(250).promise()
$('#newsErrorFailed').fadeIn(250, () => { await $('#newsErrorFailed').fadeIn(250).promise()
resolve()
})
})
} else if(newsArr.length === 0) {
// No News Articles
setNewsLoading(false)
ConfigManager.setNewsCache({ } else if(newsArr.length === 0) {
date: null, // No News Articles
content: null, setNewsLoading(false)
dismissed: false
})
ConfigManager.save()
$('#newsErrorLoading').fadeOut(250, () => { ConfigManager.setNewsCache({
$('#newsErrorNone').fadeIn(250, () => { date: null,
resolve() content: null,
}) dismissed: false
}) })
} else { ConfigManager.save()
// Success
setNewsLoading(false)
const lN = newsArr[0] await $('#newsErrorLoading').fadeOut(250).promise()
const cached = ConfigManager.getNewsCache() await $('#newsErrorNone').fadeIn(250).promise()
let newHash = crypto.createHash('sha1').update(lN.content).digest('hex') } else {
let newDate = new Date(lN.date) // Success
let isNew = false setNewsLoading(false)
if(cached.date != null && cached.content != null){ const lN = newsArr[0]
const cached = ConfigManager.getNewsCache()
let newHash = await digestMessage(lN.content)
let newDate = new Date(lN.date)
let isNew = false
if(new Date(cached.date) >= newDate){ if(cached.date != null && cached.content != null){
// Compare Content if(new Date(cached.date) >= newDate){
if(cached.content !== newHash){
isNew = true
showNewsAlert()
} else {
if(!cached.dismissed){
isNew = true
showNewsAlert()
}
}
} else { // Compare Content
if(cached.content !== newHash){
isNew = true
showNewsAlert()
} else {
if(!cached.dismissed){
isNew = true isNew = true
showNewsAlert() showNewsAlert()
} }
} else {
isNew = true
showNewsAlert()
} }
if(isNew){ } else {
ConfigManager.setNewsCache({ isNew = true
date: newDate.getTime(), showNewsAlert()
content: newHash,
dismissed: false
})
ConfigManager.save()
}
const switchHandler = (forward) => {
let cArt = parseInt(newsContent.getAttribute('article'))
let nxtArt = forward ? (cArt >= newsArr.length-1 ? 0 : cArt + 1) : (cArt <= 0 ? newsArr.length-1 : cArt - 1)
displayArticle(newsArr[nxtArt], nxtArt+1)
}
document.getElementById('newsNavigateRight').onclick = () => { switchHandler(true) }
document.getElementById('newsNavigateLeft').onclick = () => { switchHandler(false) }
$('#newsErrorContainer').fadeOut(250, () => {
displayArticle(newsArr[0], 1)
$('#newsContent').fadeIn(250, () => {
resolve()
})
})
} }
}) } else {
isNew = true
}) showNewsAlert()
}
if(isNew){
ConfigManager.setNewsCache({
date: newDate.getTime(),
content: newHash,
dismissed: false
})
ConfigManager.save()
}
const switchHandler = (forward) => {
let cArt = parseInt(newsContent.getAttribute('article'))
let nxtArt = forward ? (cArt >= newsArr.length-1 ? 0 : cArt + 1) : (cArt <= 0 ? newsArr.length-1 : cArt - 1)
displayArticle(newsArr[nxtArt], nxtArt+1)
}
document.getElementById('newsNavigateRight').onclick = () => { switchHandler(true) }
document.getElementById('newsNavigateLeft').onclick = () => { switchHandler(false) }
await $('#newsErrorContainer').fadeOut(250).promise()
displayArticle(newsArr[0], 1)
await $('#newsContent').fadeIn(250).promise()
}
} }
/** /**