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window.browser = window.browser || window.chrome
import utils from "./utils.js"
const targets = [/^https?:\/{2}(www\.|mobile\.|)twitter\.com/, /^https?:\/{2}(pbs\.|video\.|)twimg\.com/, /^https?:\/{2}platform\.twitter\.com\/embed/, /^https?:\/{2}t\.co/]
const frontends = new Array("nitter")
const protocols = new Array("normal", "tor", "i2p", "loki")
let redirects = {}
for (let i = 0; i < frontends.length; i++) {
redirects[frontends[i]] = {}
for (let x = 0; x < protocols.length; x++) {
redirects[frontends[i]][protocols[x]] = []
}
}
function setRedirects(val) {
browser.storage.local.get(["cloudflareBlackList", "authenticateBlackList", "offlineBlackList"], r => {
redirects.nitter = val
nitterNormalRedirectsChecks = [...redirects.nitter.normal]
for (const instance of [...r.cloudflareBlackList, ...r.authenticateBlackList, ...r.offlineBlackList]) {
let i = nitterNormalRedirectsChecks.indexOf(instance)
if (i > -1) nitterNormalRedirectsChecks.splice(i, 1)
}
browser.storage.local.set({
twitterRedirects: redirects,
nitterNormalRedirectsChecks,
nitterTorRedirectsChecks: [...redirects.nitter.tor],
nitterI2pRedirectsChecks: [...redirects.nitter.i2p],
nitterLokiRedirectsChecks: [...redirects.nitter.loki]
})
})
}
let disableTwitter,
protocol,
protocolFallback,
twitterRedirects,
twitterRedirectType,
nitterNormalRedirectsChecks,
nitterNormalCustomRedirects,
nitterTorRedirectsChecks,
nitterTorCustomRedirects,
nitterI2pCustomRedirects,
nitterLokiCustomRedirects
function init() {
return new Promise(async resolve => {
browser.storage.local.get(
[
"disableTwitter",
"protocol",
"protocolFallback",
"twitterRedirects",
"twitterRedirectType",
"nitterNormalRedirectsChecks",
"nitterNormalCustomRedirects",
"nitterTorRedirectsChecks",
"nitterTorCustomRedirects",
"nitterI2pCustomRedirects",
"nitterLokiCustomRedirects",
],
r => {
disableTwitter = r.disableTwitter
protocol = r.protocol
protocolFallback = r.protocolFallback
twitterRedirects = r.twitterRedirects
twitterRedirectType = r.twitterRedirectType
nitterNormalRedirectsChecks = r.nitterNormalRedirectsChecks
nitterNormalCustomRedirects = r.nitterNormalCustomRedirects
nitterTorRedirectsChecks = r.nitterTorRedirectsChecks
nitterTorCustomRedirects = r.nitterTorCustomRedirects
nitterI2pCustomRedirects = r.nitterI2pCustomRedirects
nitterLokiCustomRedirects = r.nitterLokiCustomRedirects
resolve()
}
)
})
}
init()
browser.storage.onChanged.addListener(init)
function all() {
return [...nitterNormalRedirectsChecks, ...nitterTorRedirectsChecks, ...nitterNormalCustomRedirects, ...nitterTorCustomRedirects, ...nitterI2pCustomRedirects, ...nitterLokiCustomRedirects]
}
function redirect(url, type, initiator, disableOverride) {
if (disableTwitter && !disableOverride) return
if (!targets.some(rx => rx.test(url.href))) return
if (url.pathname.split("/").includes("home")) return
if (initiator && all().includes(initiator.origin)) return "BYPASSTAB"
if (twitterRedirectType == "sub_frame" && type == "main_frame") return
if (twitterRedirectType == "main_frame" && type != "main_frame") return
let instancesList = []
if (protocol == "loki") instancesList = [...nitterI2pCustomRedirects]
else if (protocol == "i2p") instancesList = [...nitterLokiCustomRedirects]
else if (protocol == "tor") instancesList = [...nitterTorRedirectsChecks, ...nitterTorCustomRedirects]
if ((instancesList.length === 0 && protocolFallback) || protocol == "normal") {
instancesList = [...nitterNormalRedirectsChecks, ...nitterNormalCustomRedirects]
}
if (instancesList.length === 0) return
const randomInstance = utils.getRandomInstance(instancesList)
// https://pbs.twimg.com/profile_images/648888480974508032/66_cUYfj_400x400.jpg
if (url.host.split(".")[0] === "pbs" || url.host.split(".")[0] === "video") {
const [, id, format, extra] = url.search.match(/(.*)\?format=(.*)&(.*)/)
const query = encodeURIComponent(`${id}.${format}?${extra}`)
return `${randomInstance}/pic${url.pathname}${query}`
} else if (url.pathname.split("/").includes("tweets")) return `${randomInstance}${url.pathname.replace("/tweets", "")}${url.search}`
else if (url.host == "t.co") return `${randomInstance}/t.co${url.pathname}`
else return `${randomInstance}${url.pathname}${url.search}`
}
function reverse(url) {
return new Promise(async resolve => {
await init()
const protocolHost = utils.protocolHost(url)
if (!all().includes(protocolHost)) {
resolve()
return
}
resolve(`https://twitter.com${url.pathname}${url.search}`)
})
}
function switchInstance(url, disableOverride) {
return new Promise(async resolve => {
await init()
if (disableTwitter && !disableOverride) {
resolve()
return
}
const protocolHost = utils.protocolHost(url)
if (!all().includes(protocolHost)) {
resolve()
return
}
let instancesList = []
if (protocol == "loki") instancesList = [...nitterI2pCustomRedirects]
else if (protocol == "i2p") instancesList = [...nitterLokiCustomRedirects]
else if (protocol == "tor") instancesList = [...nitterTorRedirectsChecks, ...nitterTorCustomRedirects]
if ((instancesList.length === 0 && protocolFallback) || protocol == "normal") {
instancesList = [...nitterNormalRedirectsChecks, ...nitterNormalCustomRedirects]
}
let index = instancesList.indexOf(protocolHost)
if (index > -1) instancesList.splice(index, 1)
if (instancesList.length === 0) {
resolve()
return
}
const randomInstance = utils.getRandomInstance(instancesList)
resolve(`${randomInstance}${url.pathname}${url.search}`)
})
}
function removeXFrameOptions(e) {
if (e.type != "sub_frame") return
let url = new URL(e.url)
let protocolHost = utils.protocolHost(url)
if (!all().includes(protocolHost)) return
let isChanged = false
for (const i in e.responseHeaders) {
if (e.responseHeaders[i].name == "x-frame-options") {
e.responseHeaders.splice(i, 1)
isChanged = true
} else if (e.responseHeaders[i].name == "content-security-policy") {
e.responseHeaders.splice(i, 1)
isChanged = true
}
}
if (isChanged) return { responseHeaders: e.responseHeaders }
}
function initNitterCookies(test, from) {
return new Promise(async resolve => {
await init()
const protocolHost = utils.protocolHost(from)
if (!all().includes(protocolHost)) {
resolve()
return
}
if (!test) {
let checkedInstances = []
if (protocol == "loki") checkedInstances = [...nitterI2pCustomRedirects]
else if (protocol == "i2p") checkedInstances = [...nitterLokiCustomRedirects]
else if (protocol == "tor") checkedInstances = [...nitterTorRedirectsChecks, ...nitterTorCustomRedirects]
if ((checkedInstances.length === 0 && protocolFallback) || protocol == "normal") {
checkedInstances = [...nitterNormalRedirectsChecks, ...nitterNormalCustomRedirects]
}
await utils.copyCookie("nitter", from, checkedInstances, "theme")
await utils.copyCookie("nitter", from, checkedInstances, "infiniteScroll")
await utils.copyCookie("nitter", from, checkedInstances, "stickyProfile")
await utils.copyCookie("nitter", from, checkedInstances, "bidiSupport")
await utils.copyCookie("nitter", from, checkedInstances, "hideTweetStats")
await utils.copyCookie("nitter", from, checkedInstances, "hideBanner")
await utils.copyCookie("nitter", from, checkedInstances, "hidePins")
await utils.copyCookie("nitter", from, checkedInstances, "hideReplies")
await utils.copyCookie("nitter", from, checkedInstances, "squareAvatars")
await utils.copyCookie("nitter", from, checkedInstances, "mp4Playback")
await utils.copyCookie("nitter", from, checkedInstances, "hlsPlayback")
await utils.copyCookie("nitter", from, checkedInstances, "proxyVideos")
await utils.copyCookie("nitter", from, checkedInstances, "muteVideos")
await utils.copyCookie("nitter", from, checkedInstances, "autoplayGifs")
await utils.copyCookie("nitter", from, checkedInstances, "replaceInstagram")
await utils.copyCookie("nitter", from, checkedInstances, "replaceReddit")
await utils.copyCookie("nitter", from, checkedInstances, "replaceTwitter")
await utils.copyCookie("nitter", from, checkedInstances, "replaceYouTube")
}
resolve(true)
})
}
function initDefaults() {
return new Promise(resolve => {
fetch("/instances/data.json")
.then(response => response.text())
.then(data => {
let dataJson = JSON.parse(data)
for (let i = 0; i < frontends.length; i++) {
redirects[frontends[i]] = dataJson[frontends[i]]
}
browser.storage.local.get(["cloudflareBlackList", "authenticateBlackList", "offlineBlackList"], async r => {
nitterNormalRedirectsChecks = [...redirects.nitter.normal]
for (const instance of [...r.cloudflareBlackList, ...r.authenticateBlackList, ...r.offlineBlackList]) {
let i = nitterNormalRedirectsChecks.indexOf(instance)
if (i > -1) nitterNormalRedirectsChecks.splice(i, 1)
}
browser.storage.local.set(
{
disableTwitter: false,
twitterRedirects: redirects,
twitterRedirectType: "both",
nitterNormalRedirectsChecks,
nitterNormalCustomRedirects: [],
nitterTorRedirectsChecks: [...redirects.nitter.tor],
nitterTorCustomRedirects: [],
nitterI2pRedirectsChecks: [...redirects.nitter.i2p],
nitterI2pCustomRedirects: [],
nitterLokiRedirectsChecks: [...redirects.nitter.loki],
nitterLokiCustomRedirects: [],
},
() => resolve()
)
})
})
})
}
export default {
setRedirects,
redirect,
switchInstance,
reverse,
removeXFrameOptions,
initNitterCookies,
initDefaults,
}
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