// ==UserScript==
// @name Hitomi.la Cleanser - because fuck the dev!
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Hitomi.la is very user unfriendly, this script aims to fix that.
// @match *://hitomi.la/*
// @match *://*.hitomi.la/*
// @match *://gold-usergeneratedcontent.net/*
// @match *://*.gold-usergeneratedcontent.net/*
// @grant unsafeWindow
// @run-at document-start
// ==/UserScript==
const Win = unsafeWindow
const interval = 50
const panicAfter = 3e3 / interval
// This intercepts a variable, function, etc. that the dev has assigned
const Patcher = class {
constructor(name, type, desired) {
this.name = name
this.type = type
this.desired = desired
this.panicCount = 0
this.handle = setInterval(() => this.tick(), interval)
}
tick() {
this.panicCount++
// give up after a few seconds
if (this.panicCount > panicAfter) {
console.warn(`Patcher: never saw ${this.name} as a ${this.type}`)
clearInterval(this.handle)
return
}
// only patch when the page actually sets it
if (typeof Win[this.name] === this.type) {
// store the original in case we need it later or something
this.original = Win[this.name]
Win[this.name] = this.desired
console.log(`Patcher: overridden ${this.name}`)
clearInterval(this.handle)
}
}
}
const BSS = {}
// this is a STRICT whitelist for things that can come in and out of the page
// this gives ads the middle finger and tells them to go fuck themselves
const policy = [
"default-src 'self' https://hitomi.la https://*.hitomi.la https://*.gold-usergeneratedcontent.net",
"script-src 'self' https://hitomi.la https://*.hitomi.la https://*.gold-usergeneratedcontent.net 'unsafe-inline'",
"style-src 'self' https://hitomi.la https://*.hitomi.la https://*.gold-usergeneratedcontent.net 'unsafe-inline'",
"img-src * data:",
"connect-src 'self' https://hitomi.la https://*.hitomi.la https://*.gold-usergeneratedcontent.net",
"frame-ancestors 'none'"
].join('; ')
// a whitelist for us to refer to when cleansing containers of otherwise reserved ad content
const classWhitelist = [
'list-title',
'lillie',
'cover-column',
'gallery-preview',
'gallery',
'acg-gallery',
'posts',
]
const FuckOff = {
// stops ads in their tracks
ads() {
const meta = document.createElement('meta')
meta.setAttribute('http-equiv', 'Content-Security-Policy')
meta.setAttribute('content', policy)
// prepend before any other <head> content
const root = document.head || document.documentElement
root.insertBefore(meta, root.firstChild)
// stub XHR & fetch to known ad hosts
const adHostsRE = /(?:a\.magsrv\.com|s\.magsrv\.com|js\.wpadmngr\.com|chaseherbalpasty\.com|adsco\.re|displayvertising\.com|adsco\.re|qrivescript\.min\.js)/i
// XMLHttpRequest.open
const origOpen = XMLHttpRequest.prototype.open
XMLHttpRequest.prototype.open = function(method, url, ...args) {
if (adHostsRE.test(url)) {
console.log('XHR.open blocked:', url)
return
}
return origOpen.call(this, method, url, ...args)
}
// fetch() override
const origFetch = window.fetch
window.fetch = function(input, init) {
let url = typeof input === 'string' ? input : (input && input.url) || ''
if (adHostsRE.test(url)) {
console.log('Fetch blocked:', url)
return Promise.resolve(new Response('', {
status: 204 // leave us the fuck alone
}))
}
return origFetch(input, init)
}
},
adContainers(name) {
setTimeout(() => {
// remove space reserved for ads
let el = document.getElementsByClassName(name)
// snapshot the children into an array
for (let child of Array.from(el[0].children)) {
let ok = [...child.classList].some(c => classWhitelist.includes(c))
if (!ok) {
child.remove()
}
}
}, 2e3)
},
popunder() {
// STOP REDIRECTING PEOPLE FOR TRYING TO NAVIGATE THE DAMN PAGE JFC
let el = document.getElementById('popmagicldr')
if (el) {
el.remove()
}
},
btcBegging() {
// This mfer does not need any more money
let container = document.getElementsByClassName('donate')
container[0].parentNode.removeChild(container[0])
},
mutationObserver() {
// NOP out of any MutationObserver so the page "webp shim" or other mutation-based tricks never fire
Win.MutationObserver = class {
observe() {}
disconnect() {}
}
},
contextMenuBlocking() {
// listen in capture phase and stop propagation of any blocking handlers.
document.addEventListener('contextmenu', e => {
// re‑enable the normal right‑click menu on all images
if (e.target && e.target.tagName === 'IMG') {
e.stopImmediatePropagation()
}
}, true)
}
}
const MainTweaks = () => {
// dont really need to touch anything here yet
}
const ReaderTweaks = () => {
// intercept createImageBitMap and show_original values so we dont get a FUCKING AVIF
BSS.showOriginal = new Patcher('show_original', 'boolean', true)
BSS.createImgBitmap = new Patcher('createImageBitmap', 'function', fileBlob => {
document.querySelectorAll('.lillie').forEach(img => {
img.src = URL.createObjectURL(fileBlob)
})
})
// this fucking guy has the panel/scene jump buttons backwards
BSS.prevPanel = new Patcher('prev_panel', 'function', () => BSS.nextPanel.original.apply(this))
BSS.nextPanel = new Patcher('next_panel', 'function', () => BSS.prevPanel.original.apply(this))
BSS.prevScene = new Patcher('prev_scene', 'function', () => BSS.nextScene.original.apply(this))
BSS.nextScene = new Patcher('next_scene', 'function', () => BSS.prevScene.original.apply(this))
BSS.atFirstScene = new Patcher('at_first_scene', 'function', () => BSS.atLastScene.original.apply(this))
BSS.atLastScene = new Patcher('at_last_scene', 'function', () => BSS.atFirstScene.original.apply(this))
FuckOff.mutationObserver()
FuckOff.contextMenuBlocking()
}
;(() => {
// are we on the frontpage, or a reader?
const isReader = location.pathname.startsWith('/reader/')
const isMain = location.pathname === '/' || location.pathname.startsWith('/hitomi.la/')
console.log('Script injected on ', location.href)
// clear these fucking ads
FuckOff.ads()
FuckOff.adContainers('top-content')
FuckOff.adContainers('content')
setTimeout(() => {
FuckOff.popunder()
FuckOff.btcBegging()
}, 2e3)
// page wide overrides
if (isMain) {
MainTweaks()
}
// reader only image overrides
if (isReader) {
ReaderTweaks()
// inject a download button into the reader nav bar
let addDownloadButton = () => {
let nav = document.querySelector('ul.nav.navbar-nav')
if (!nav || nav.querySelector('#downloadButton')) {
return
}
let li = document.createElement('li')
let a = document.createElement('a')
a.id = 'downloadButton'
a.href = '#'
a.title = 'Download'
let icon = document.createElement('i')
icon.className = 'icon-download icon-white'
a.appendChild(icon)
a.appendChild(document.createTextNode(' Download'))
a.addEventListener('click', async (e) => {
e.preventDefault()
let img = document.querySelector('.lillie')
if (!img || !img.src) {
return alert('No image to download!')
}
try {
let resp = await fetch(img.src, {
mode: 'cors'
})
if (!resp.ok) {
throw new Error(`HTTP ${resp.status}`)
}
let blob = await resp.blob()
let blobUrl = URL.createObjectURL(blob)
let link = document.createElement('a')
link.href = blobUrl
const parts = img.src.split('/').pop().split('?')[0]
link.download = parts || 'image'
document.body.appendChild(link)
link.click()
document.body.removeChild(link)
URL.revokeObjectURL(blobUrl)
} catch (err) {
console.error('Download failed:', err)
alert('Download failed: ' + err.message)
}
})
li.appendChild(a)
nav.appendChild(li)
}
// wait until nav is available
let tries = 0
let maxTries = panicAfter
let iv = setInterval(() => {
tries++;
if (tries >= maxTries) {
clearInterval(iv)
return
}
addDownloadButton()
if (document.querySelector('#downloadButton')) {
clearInterval(iv)
}
}, interval)
}
})()
