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apple-music-barcode-isrc.user.js
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apple-music-barcode-isrc.user.js
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// ==UserScript==
// @name Apple Music Barcodes/ISRCs
// @namespace applemusic.barcode.isrc
// @description Get Barcodes/ISRCs/etc. from Apple Music pages
// @version 0.20
// @match https://music.apple.com/*
// @exclude-match https://music.apple.com/includes/commerce/fetch-proxy.html
// @run-at document-idle
// @grant GM_xmlhttpRequest
// ==/UserScript==
(async () => {
// for userscript managers that don't support @exclude-match
if (document.location.pathname === '/includes/commerce/fetch-proxy.html') {
return
}
// Needs to attempt to use GM_xmlhttpRequest
// 1. we need to set the origin header to any value, which you normally cannot do with fetch, because
// 2. we may be running in the content script context instead of the page one if we're in Firefox
async function fetchWrapper(url, options) {
if (window.GM_xmlhttpRequest) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
...options,
url,
onload(e) { resolve(e.response) },
onerror(e) { reject(e) },
})
})
} else {
const res = await fetch(url, options)
return await res.text()
}
}
// Very hacky way to find the token automatically when it changes
let scriptToken
try {
const configScript = document.querySelector('script[crossorigin]')
const scriptSrc = await fetchWrapper(configScript.src)
scriptToken = scriptSrc.match(/("|')(ey.*?)\1/)[2]
} catch(e) {
alert(`error getting apple music token: ${e}`)
}
const token = scriptToken
const baseURL = 'https://amp-api.music.apple.com/v1'
function addSimple(content, node, parent) {
const elem = document.createElement(node)
elem.textContent = content
elem.style.userSelect = 'text'
parent.appendChild(elem)
return elem
}
async function getDatums() {
let results
const close = () => {
document.body.removeEventListener('keydown', escListener)
results.remove()
}
const escListener = (e) => {
if (e.key === 'Escape') {
close()
}
}
try {
results = addSimple('Loading, press ESC to close...', 'div', document.body)
results.style.position = 'absolute'
results.style.inset = '30px'
results.style.zIndex = 2147483647
results.style.background = 'white'
results.style.color = 'black'
results.style.overflow = 'auto'
results.style.padding = '4px'
document.body.addEventListener('keydown', escListener)
const albumId = document.location.pathname.split('/').reverse().find(p => /^\d+$/.test(p))
const country = document.location.pathname.split('/')[1]
const url = `${baseURL}/catalog/${country}/albums/${albumId}`
const res = await fetchWrapper(url, { method: 'GET', mode: 'cors', credentials: 'include', headers: { Authorization: `Bearer ${token}`, Origin: new URL(baseURL).origin } })
const resJson = JSON.parse(res)
const albumsData = resJson.data
const albums = []
for (const albumData of albumsData.filter((item) => item.type === 'albums')) {
const album = {
name: albumData.attributes.name,
artist: albumData.attributes.artistName,
releaseDate: albumData.attributes.releaseDate,
label: albumData.attributes.recordLabel,
barcode: albumData.attributes.upc,
isMasteredForItunes: albumData.attributes.isMasteredForItunes,
audio: albumData.attributes.audioTraits,
copyright: albumData.attributes.copyright,
tracks: [],
differentDates: false,
}
if (albumData.relationships.tracks) {
let tracksHaveDates = false
for (const track_data of albumData.relationships.tracks.data) {
const track = {
name: track_data.attributes.name,
artist: track_data.attributes.artistName,
composer: track_data.attributes.composerName,
disc: track_data.attributes.discNumber,
track: track_data.attributes.trackNumber,
isrc: track_data.attributes.isrc,
releaseDate: track_data.attributes.releaseDate,
}
if (track.releaseDate !== album.releaseDate) {
album.differentDates = true
}
if (!!track_data.attributes.releaseDate) {
tracksHaveDates = true
}
album.tracks.push(track)
}
if (!tracksHaveDates) {
// no tracks have release dates, unset the different dates flag
album.differentDates = false
}
}
albums.push(album)
}
if (albums.length === 0) {
throw new Error('no albums found')
}
results.textContent = ''
for (const album of albums) {
addSimple(album.name, 'h1', results)
addSimple(album.artist, 'h2', results)
const albumDate = addSimple(`Release Date: ${album.releaseDate}`, 'p', results)
if (album.differentDates) {
albumDate.appendChild(document.createTextNode(' '))
const bold = document.createElement('b')
bold.style.color = '#c00'
bold.textContent = '(Some track dates differ)'
albumDate.appendChild(bold)
}
addSimple(`Label: ${album.label}`, 'p', results)
addSimple(`Barcode: ${album.barcode}`, 'p', results)
addSimple(`Mastered for iTunes: ${album.isMasteredForItunes}`, 'p', results)
addSimple(`Audio: ${album.audio}`, 'p', results)
addSimple(`Copyright: ${album.copyright}`, 'p', results)
const kepstinContainer = addSimple('', 'p', results)
const kepstinLink = addSimple('Submit to kepstin’s MagicISRC', 'a', kepstinContainer)
kepstinLink.target = '_blank'
// we intentionally don't use the `isrcM-T` format due to differences in how Apple Music formats some track lists
kepstinLink.href = 'https://magicisrc.kepstin.ca/?' + album.tracks.map((track, i) => `isrc${i+1}=${track.isrc}`).join('&')
kepstinLink.style.color = '#06c'
kepstinLink.style.textDecoration = 'underline'
// work around Apple Music's handling of links
kepstinLink.addEventListener('click', e => {
e.preventDefault()
e.stopPropagation()
window.open(e.target.href, e.target.target)
})
const hasMultipleDiscs = album.tracks.some(t => t.disc !== 1)
const table = addSimple('', 'table', results)
table.style.width = '100%'
table.style.borderCollapse = 'separate'
table.style.borderSpacing = '2px'
table.setAttribute('border', '1')
const thead = addSimple('', 'thead', table)
thead.style.fontWeight = 'bold'
const tr = addSimple('', 'tr', thead)
const t1 = addSimple('Track', 'td', tr)
t1.style.background = 'white'
t1.style.position = 'sticky'
t1.style.top = 0
const t2 = addSimple('Title', 'td', tr)
t2.style.background = 'white'
t2.style.position = 'sticky'
t2.style.top = 0
const t3 = addSimple('Artist', 'td', tr)
t3.style.background = 'white'
t3.style.position = 'sticky'
t3.style.top = 0
const t4 = addSimple('Composer', 'td', tr)
t4.style.background = 'white'
t4.style.position = 'sticky'
t4.style.top = 0
const t5 = addSimple('ISRC', 'td', tr)
t5.style.background = 'white'
t5.style.position = 'sticky'
t5.style.top = 0
if (album.differentDates) {
const t6 = addSimple('Date', 'td', tr)
t6.style.background = 'white'
t6.style.position = 'sticky'
t6.style.top = 0
}
const tbody = addSimple('', 'tbody', table)
for (const track of album.tracks) {
const tr = addSimple('', 'tr', tbody)
addSimple(hasMultipleDiscs ? `${track.disc}.${track.track}` : track.track, 'td', tr)
addSimple(track.name, 'td', tr)
addSimple(track.artist, 'td', tr)
addSimple(track.composer, 'td', tr)
addSimple(track.isrc, 'td', tr)
if (album.differentDates) {
const trackDate = addSimple(track.releaseDate, 'td', tr)
if (track.releaseDate !== album.releaseDate) {
trackDate.style.fontWeight = 'bold'
trackDate.style.color = '#c00'
}
}
}
}
addSimple('Press ESC to close', 'p', results)
} catch (e) {
alert(e)
close()
}
}
const clickMe = addSimple('', 'div', document.body)
clickMe.style.position = 'absolute'
clickMe.style.width = '15px'
clickMe.style.height = '15px'
clickMe.style.top = 0
clickMe.style.left = 0
clickMe.style.background = 'green'
clickMe.style.cursor = 'pointer'
clickMe.style.zIndex = 2147483647
clickMe.addEventListener('click', getDatums)
})()