Merge branch 'update-blacklist'

1 files changed, 143 insertions, 0 deletions

diff --git a/src/assets/javascripts/frontend.js b/src/assets/javascripts/frontend.js
new file mode 100644
index 00000000..ab71cc0d
--- /dev/null
+++ b/src/assets/javascripts/frontend.js
@@ -0,0 +1,143 @@
+class FrontEnd {
+	constructor({ enable, frontends, frontend, redirect }) {
+		this.redirects = {}
+		this.enable = enable
+		this.frontend = frontend
+		this.protocol = "normal"
+		this.protocolFallback = true
+		fetch("/instances/data.json")
+			.then(response => response.text())
+			.then(async data => {
+				data = JSON.parse(data)
+				fetch("/instances/blacklist.json")
+					.then(response => response.text())
+					.then(async blackList => {
+						blackList = JSON.parse(blackList)
+						for (const frontend in frontends) {
+							this.redirects[frontend] = {}
+
+							this.redirects[frontend].cookies = [...frontends[frontend].cookies]
+
+							for (const protocol in data[frontend]) {
+								this.redirects[frontend][protocol] = {}
+
+								this.redirects[frontend][protocol].all = [...data[frontend][protocol]]
+
+								this.redirects[frontend][protocol].custom = []
+
+								this.redirects[frontend][protocol].checked = [...data[frontend][protocol]]
+								for (const instance of blackList.cloudflare) {
+									const a = this.redirects[frontend][protocol].checked.indexOf(instance)
+									if (a > -1) this.redirects[frontend][protocol].checked.splice(a, 1)
+								}
+								for (const instance of blackList.offline) {
+									const a = this.redirects[frontend][protocol].checked.indexOf(instance)
+									if (a > -1) this.redirects[frontend][protocol].checked.splice(a, 1)
+								}
+							}
+						}
+					})
+			})
+		this.unifyCookies = from =>
+			new Promise(async resolve => {
+				await init()
+				const protocolHost = utils.protocolHost(from)
+				const list = [...this.redirects[this.frontend][this.protocol]]
+				if (![...list.checked, ...list.custom].includes(protocolHost)) {
+					resolve()
+					return
+				}
+				for (const cookie of this.redirects[this.frontend].cookies) {
+					await utils.copyCookie(frontend, protocolHost, [...list.checked, list.custom], cookie)
+				}
+				resolve(true)
+			})
+
+		this.switchInstance = (url, disableOverride) => {
+			if (!this.enable && !disableOverride) return
+
+			const protocolHost = utils.protocolHost(url)
+
+			const list = [...this.redirects[this.frontend][this.protocol]]
+			if (!list.all.includes(protocolHost)) return
+
+			let userList = [...list.checked, ...list.custom]
+			if (userList.length === 0 && this.protocolFallback) userList = [...list.normal.all]
+
+			const i = userList.indexOf(protocolHost)
+			if (i > -1) userList.splice(i, 1)
+			if (userList.length === 0) return
+
+			const randomInstance = utils.getRandomInstance(userList)
+			return `${randomInstance}${url.pathname}${url.search}`
+		}
+
+		this.redirect = (url, type, initiator, disableOverride) => {
+			const result = redirect(url, type, initiator, disableOverride)
+			if (result == "BYPASSTAB") return "BYPASSTAB"
+			if (result) {
+				const list = [...this.redirects[this.frontend][this.protocol]]
+				let userList = [...list.checked, ...list.custom]
+				const randomInstance = utils.getRandomInstance(userList)
+				return `${randomInstance}${result.pathname}${result.search}`
+			}
+		}
+
+		let init = () => new Promise(async resolve => {})
+	}
+}
+
+let Reddit = new FrontEnd({
+	enable: true,
+	frontends: {
+		libreddit: { cookies: ["theme", "front_page", "layout", "wide", "post_sort", "comment_sort", "show_nsfw", "autoplay_videos", "use_hls", "hide_hls_notification", "subscriptions", "filters"] },
+		teddit: {
+			cookies: [
+				"collapse_child_comments",
+				"domain_instagram",
+				"domain_twitter",
+				"domain_youtube",
+				"flairs",
+				"highlight_controversial",
+				"nsfw_enabled",
+				"post_media_max_height",
+				"show_upvoted_percentage",
+				"show_upvotes",
+				"theme",
+				"videos_muted",
+			],
+		},
+	},
+	frontend: "libreddit",
+	redirect: (url, type, initiator, disableOverride) => {
+		if (this.enable && !disableOverride) return
+
+		const targets = [/^https?:\/{2}(www\.|old\.|np\.|new\.|amp\.|)reddit\.com/, /^https?:\/{2}(i\.|preview\.)redd\.it/]
+		if (!targets.some(rx => rx.test(url.href))) return
+
+		if (initiator && all().includes(initiator.origin)) return "BYPASSTAB"
+		if (!["main_frame", "xmlhttprequest", "other", "image", "media"].includes(type)) return
+
+		const bypassPaths = /\/(gallery\/poll\/rpan\/settings\/topics)/
+		if (url.pathname.match(bypassPaths)) return
+
+		const protocolHost = utils.protocolHost(url)
+
+		if (url.host === "i.redd.it") {
+			if (this.frontend == "libreddit") return `${protocolHost}/img${url.pathname}${url.search}`
+			if (this.frontend == "teddit") return `${protocolHost}/pics/w:null_${url.pathname.substring(1)}${url.search}`
+		} else if (url.host === "redd.it") {
+			// https://redd.it/foo => https://libredd.it/comments/foo
+			if (this.frontend == "libreddit" && !url.pathname.match(/^\/+[^\/]+\/+[^\/]/)) return `${protocolHost}/comments${url.pathname}${url.search}`
+			// https://redd.it/foo => https://teddit.net/comments/foo
+			if (this.frontend == "teddit" && !url.pathname.match(/^\/+[^\/]+\/+[^\/]/)) return `${protocolHost}/comments${url.pathname}${url.search}`
+		} else if (url.host === "preview.redd.it") {
+			if (this.frontend == "libreddit") return `${protocolHost}/preview/pre${url.pathname}${url.search}`
+			if (this.frontend == "teddit") return
+		} else {
+			return `${url.href}`
+		}
+	},
+})
+
+export default {}