# "Invidious" (which is what YouTube should be) # Copyright (C) 2018 Omar Roth # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published # by the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see . require "crypto/bcrypt/password" require "detect_language" require "kemal" require "openssl/hmac" require "option_parser" require "pg" require "xml" require "yaml" require "./invidious/*" CONFIG = Config.from_yaml(File.read("config/config.yml")) HMAC_KEY = CONFIG.hmac_key || Random::Secure.random_bytes(32) crawl_threads = CONFIG.crawl_threads channel_threads = CONFIG.channel_threads video_threads = CONFIG.video_threads Kemal.config.extra_options do |parser| parser.banner = "Usage: invidious [arguments]" parser.on("-t THREADS", "--crawl-threads=THREADS", "Number of threads for crawling (default: #{crawl_threads})") do |number| begin crawl_threads = number.to_i rescue ex puts "THREADS must be integer" exit end end parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{channel_threads})") do |number| begin channel_threads = number.to_i rescue ex puts "THREADS must be integer" exit end end parser.on("-v THREADS", "--video-threads=THREADS", "Number of threads for refreshing videos (default: #{video_threads})") do |number| begin video_threads = number.to_i rescue ex puts "THREADS must be integer" exit end end end Kemal::CLI.new PG_URL = URI.new( scheme: "postgres", user: CONFIG.db[:user], password: CONFIG.db[:password], host: CONFIG.db[:host], port: CONFIG.db[:port], path: CONFIG.db[:dbname], ) PG_DB = DB.open PG_URL YT_URL = URI.parse("https://www.youtube.com") REDDIT_URL = URI.parse("https://api.reddit.com") LOGIN_URL = URI.parse("https://accounts.google.com") crawl_threads.times do spawn do ids = Deque(String).new random = Random.new client = make_client(YT_URL) search(random.base64(3), client) do |id| ids << id end loop do client = make_client(YT_URL) if ids.empty? search(random.base64(3), client) do |id| ids << id end end begin id = ids[0] video = get_video(id, client, PG_DB) rescue ex STDOUT << id << " : " << ex.message << "\n" next ensure ids.delete(id) end rvs = [] of Hash(String, String) if video.info.has_key?("rvs") video.info["rvs"].split(",").each do |rv| rvs << HTTP::Params.parse(rv).to_h end end rvs.each do |rv| if rv.has_key?("id") && !PG_DB.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", rv["id"], as: Bool) ids.delete(id) ids << rv["id"] if ids.size == 150 ids.shift end end end Fiber.yield end end end channel_threads.times do |i| spawn do loop do query = "SELECT id FROM channels ORDER BY updated \ LIMIT (SELECT count(*)/$2 FROM channels) \ OFFSET (SELECT count(*)*$1/$2 FROM channels)" PG_DB.query(query, i, channel_threads) do |rs| rs.each do client = make_client(YT_URL) begin id = rs.read(String) channel = fetch_channel(id, client, PG_DB, false) PG_DB.exec("UPDATE channels SET updated = $1 WHERE id = $2", Time.now, id) rescue ex STDOUT << id << " : " << ex.message << "\n" next end end end Fiber.yield end end end video_threads.times do |i| spawn do loop do query = "SELECT id FROM videos ORDER BY updated \ LIMIT (SELECT count(*)/$2 FROM videos) \ OFFSET (SELECT count(*)*$1/$2 FROM videos)" PG_DB.query(query, i, video_threads) do |rs| rs.each do client = make_client(YT_URL) begin id = rs.read(String) video = get_video(id, client, PG_DB) rescue ex STDOUT << id << " : " << ex.message << "\n" client = make_client(YT_URL) next end end end Fiber.yield end end end top_videos = [] of Video spawn do if CONFIG.dl_api_key DetectLanguage.configure do |config| config.api_key = CONFIG.dl_api_key.not_nil! end filter = true end filter ||= false loop do begin top = rank_videos(PG_DB, 40, filter, YT_URL) rescue ex next end if top.size > 0 args = arg_array(top) else next end videos = [] of Video top.each do |id| client = make_client(YT_URL) begin videos << get_video(id, client, PG_DB) rescue ex next end end top_videos = videos Fiber.yield end end # Refresh decrypt function decrypt_function = [] of {name: String, value: Int32} spawn do loop do begin client = make_client(YT_URL) decrypt_function = update_decrypt_function(client) rescue ex end Fiber.yield end end before_all do |env| if env.request.cookies.has_key? "SID" headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] sid = env.request.cookies["SID"].value # Invidious users only have SID if !env.request.cookies.has_key? "SSID" user = PG_DB.query_one?("SELECT * FROM users WHERE id = $1", sid, as: User) if user env.set "user", user end else begin client = make_client(YT_URL) user = get_user(sid, client, headers, PG_DB, false) env.set "user", user rescue ex end end end end get "/" do |env| templated "index" end get "/watch" do |env| user = env.get? "user" if user user = user.as(User) preferences = user.preferences subscriptions = user.subscriptions.as(Array(String)) end subscriptions ||= [] of String if env.params.query["v"]? id = env.params.query["v"] else next env.redirect "/" end autoplay = env.params.query["autoplay"]?.try &.to_i video_loop = env.params.query["video_loop"]?.try &.to_i if preferences autoplay ||= preferences.autoplay.to_unsafe video_loop ||= preferences.video_loop.to_unsafe end autoplay ||= 0 video_loop ||= 0 autoplay = autoplay == 1 video_loop = video_loop == 1 if env.params.query["start"]? video_start = decode_time(env.params.query["start"]) end if env.params.query["t"]? video_start = decode_time(env.params.query["t"]) end video_start ||= 0 if env.params.query["end"]? video_end = decode_time(env.params.query["end"]) end video_end ||= -1 if env.params.query["listen"]? && env.params.query["listen"] == "true" listen = true env.params.query.delete_all("listen") end listen ||= false client = make_client(YT_URL) begin video = get_video(id, client, PG_DB) rescue ex error_message = ex.message next templated "error" end fmt_stream = [] of HTTP::Params video.info["url_encoded_fmt_stream_map"].split(",") do |string| if !string.empty? fmt_stream << HTTP::Params.parse(string) end end fmt_stream.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") } fmt_stream = fmt_stream.uniq { |s| s["label"] } adaptive_fmts = [] of HTTP::Params if video.info.has_key?("adaptive_fmts") video.info["adaptive_fmts"].split(",") do |string| adaptive_fmts << HTTP::Params.parse(string) end end if adaptive_fmts[0]? && adaptive_fmts[0]["s"]? adaptive_fmts.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end fmt_stream.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end end audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil } audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse! audio_streams.each do |stream| stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s end player_response = JSON.parse(video.info["player_response"]) if player_response["captions"]? captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a end captions ||= [] of JSON::Any rvs = [] of Hash(String, String) if video.info.has_key?("rvs") video.info["rvs"].split(",").each do |rv| rvs << HTTP::Params.parse(rv).to_h end end rating = video.info["avg_rating"].to_f64 engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100) if video.likes > 0 || video.dislikes > 0 calculated_rating = (video.likes.to_f/(video.likes.to_f + video.dislikes.to_f) * 4 + 1) end calculated_rating ||= 0.0 if video.info["ad_slots"]? ad_slots = video.info["ad_slots"].split(",") ad_slots = ad_slots.join(", ") end if video.info["enabled_engage_types"]? engage_types = video.info["enabled_engage_types"].split(",") engage_types = engage_types.join(", ") end if video.info["ad_tag"]? ad_tag = URI.parse(video.info["ad_tag"]) ad_query = HTTP::Params.parse(ad_tag.query.not_nil!) ad_category = URI.unescape(ad_query["iu"]) ad_category = ad_category.lstrip("/4061/").split(".")[-1] ad_query = HTTP::Params.parse(ad_query["scp"]) k2 = URI.unescape(ad_query["k2"]).split(",") k2 = k2.join(", ") end video.description = fill_links(video.description, "https", "www.youtube.com") video.description = add_alt_links(video.description) description = video.description.gsub("
", " ") description = description.gsub("
", " ") description = XML.parse_html(description).content[0..200].gsub('"', """).gsub("\n", " ").strip(" ") if description.empty? description = " " end thumbnail = "https://i.ytimg.com/vi/#{id}/mqdefault.jpg" templated "watch" end get "/api/v1/captions/:id" do |env| id = env.params.url["id"] client = make_client(YT_URL) begin video = get_video(id, client, PG_DB) rescue ex halt env, status_code: 403 end player_response = JSON.parse(video.info["player_response"]) if !player_response["captions"]? env.response.content_type = "application/json" next { "captions" => [] of String, }.to_json end tracks = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a tracks ||= [] of JSON::Any label = env.params.query["label"]? if !label env.response.content_type = "application/json" response = JSON.build do |json| json.object do json.field "captions" do json.array do tracks.each do |caption| json.object do json.field "label", caption["name"]["simpleText"] json.field "languageCode", caption["languageCode"] end end end end end end next response end track = tracks.select { |tracks| tracks["name"]["simpleText"] == label } env.response.content_type = "text/vtt" if track.empty? halt env, status_code: 403 else track = track[0] end track_xml = client.get(track["baseUrl"].as_s).body track_xml = XML.parse(track_xml) webvtt = <<-END_VTT WEBVTT Kind: captions Language: #{track["languageCode"]} END_VTT track_xml.xpath_nodes("//transcript/text").each do |node| start_time = node["start"].to_f.seconds end_time = start_time + node["dur"].to_f.seconds start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}" end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}" text = HTML.unescape(node.content) if md = text.match(/(?.*) : (?.*)/) text = "#{md["text"]}" end webvtt = webvtt + <<-END_CUE #{start_time} --> #{end_time} #{text} END_CUE end webvtt end get "/api/v1/comments/:id" do |env| id = env.params.url["id"] source = env.params.query["source"]? source ||= "youtube" format = env.params.query["format"]? format ||= "html" if source == "youtube" client = make_client(YT_URL) headers = HTTP::Headers.new html = client.get("/watch?v=#{id}&disable_polymer=1") headers["cookie"] = html.cookies.add_request_headers(headers)["cookie"] headers["content-type"] = "application/x-www-form-urlencoded" headers["x-client-data"] = "CIi2yQEIpbbJAQipncoBCNedygEIqKPKAQ==" headers["x-spf-previous"] = "https://www.youtube.com/watch?v=#{id}" headers["x-spf-referer"] = "https://www.youtube.com/watch?v=#{id}" headers["x-youtube-client-name"] = "1" headers["x-youtube-client-version"] = "2.20180719" body = html.body session_token = body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"] ctoken = body.match(/'COMMENTS_TOKEN': "(?[^"]+)"/) if !ctoken env.response.content_type = "application/json" next {"comments" => [] of String}.to_json end ctoken = ctoken["ctoken"] itct = body.match(/itct=(?[^"]+)"/).not_nil!["itct"] if env.params.query["continuation"]? continuation = env.params.query["continuation"] ctoken = continuation else continuation = ctoken end post_req = { "session_token" => session_token, } post_req = HTTP::Params.encode(post_req) response = client.post("/comment_service_ajax?action_get_comments=1&pbj=1&ctoken=#{ctoken}&continuation=#{continuation}&itct=#{itct}", headers, post_req).body response = JSON.parse(response) response = response["response"]["continuationContents"] if response["commentRepliesContinuation"]? body = response["commentRepliesContinuation"] else body = response["itemSectionContinuation"] end contents = body["contents"] comments = JSON.build do |json| json.object do if body["header"]? comment_count = body["header"]["commentsHeaderRenderer"]["countText"]["simpleText"].as_s.rchop(" Comments").delete(',').to_i json.field "commentCount", comment_count end json.field "comments" do json.array do contents.as_a.each do |item| json.object do if !response["commentRepliesContinuation"]? item = item["commentThreadRenderer"] end if item["replies"]? item_replies = item["replies"]["commentRepliesRenderer"] end if !response["commentRepliesContinuation"]? item_comment = item["comment"]["commentRenderer"] else item_comment = item["commentRenderer"] end content_text = item_comment["contentText"]["simpleText"]?.try &.as_s.rchop('\ufeff') content_text ||= item_comment["contentText"]["runs"][0]["text"].as_s.rchop('\ufeff') json.field "author", item_comment["authorText"]["simpleText"] json.field "authorThumbnails" do json.array do item_comment["authorThumbnail"]["thumbnails"].as_a.each do |thumbnail| json.object do json.field "url", thumbnail["url"] json.field "width", thumbnail["width"] json.field "height", thumbnail["height"] end end end end json.field "authorId", item_comment["authorEndpoint"]["browseEndpoint"]["browseId"] json.field "authorUrl", item_comment["authorEndpoint"]["browseEndpoint"]["canonicalBaseUrl"] json.field "content", content_text json.field "published", item_comment["publishedTimeText"]["runs"][0]["text"] json.field "likeCount", item_comment["likeCount"] json.field "commentId", item_comment["commentId"] if item_replies && !response["commentRepliesContinuation"]? reply_count = item_replies["moreText"]["simpleText"].as_s.match(/View all (?\d+) replies/).try &.["count"].to_i reply_count ||= 1 continuation = item_replies["continuations"].as_a[0]["nextContinuationData"]["continuation"].as_s json.field "replies" do json.object do json.field "replyCount", reply_count json.field "continuation", continuation end end end end end end end if body["continuations"]? continuation = body["continuations"][0]["nextContinuationData"]["continuation"] json.field "continuation", continuation end end end env.response.content_type = "application/json" next comments elsif source == "reddit" client = make_client(REDDIT_URL) headers = HTTP::Headers{"User-Agent" => "web:invidio.us:v0.1.0 (by /u/omarroth)"} begin comments, reddit_thread = get_reddit_comments(id, client, headers) content_html = template_comments(comments) content_html = fill_links(content_html, "https", "www.reddit.com") content_html = add_alt_links(content_html) rescue ex reddit_thread = nil content_html = "" end if !reddit_thread halt env, status_code: 404 end env.response.content_type = "application/json" {"title" => reddit_thread.title, "permalink" => reddit_thread.permalink, "content_html" => content_html}.to_json end end get "/api/v1/videos/:id" do |env| id = env.params.url["id"] client = make_client(YT_URL) begin video = get_video(id, client, PG_DB) rescue ex halt env, status_code: 403 end adaptive_fmts = [] of HTTP::Params if video.info.has_key?("adaptive_fmts") video.info["adaptive_fmts"].split(",") do |string| adaptive_fmts << HTTP::Params.parse(string) end end fmt_stream = [] of HTTP::Params video.info["url_encoded_fmt_stream_map"].split(",") do |string| if !string.empty? fmt_stream << HTTP::Params.parse(string) end end if adaptive_fmts[0]? && adaptive_fmts[0]["s"]? adaptive_fmts.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end fmt_stream.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end end player_response = JSON.parse(video.info["player_response"]) if player_response["captions"]? captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a end captions ||= [] of JSON::Any env.response.content_type = "application/json" video_info = JSON.build do |json| json.object do json.field "title", video.title json.field "videoId", video.id json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end description = video.description.gsub("
", "\n") description = description.gsub("
", "\n") description = XML.parse_html(description) json.field "description", description.content json.field "descriptionHtml", video.description json.field "published", video.published.epoch json.field "keywords" do json.array do video.info["keywords"].split(",").each { |keyword| json.string keyword } end end json.field "viewCount", video.views json.field "likeCount", video.likes json.field "dislikeCount", video.dislikes json.field "isFamilyFriendly", video.is_family_friendly json.field "allowedRegions", video.allowed_regions json.field "genre", video.genre json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "lengthSeconds", video.info["length_seconds"].to_i if video.info["allow_ratings"]? json.field "allowRatings", video.info["allow_ratings"] == "1" else json.field "allowRatings", false end json.field "rating", video.info["avg_rating"].to_f32 if video.info["is_listed"]? json.field "isListed", video.info["is_listed"] == "1" end fmt_list = video.info["fmt_list"].split(",").map { |fmt| fmt.split("/")[1] } fmt_list = Hash.zip(fmt_list.map { |fmt| fmt[0] }, fmt_list.map { |fmt| fmt[1] }) json.field "adaptiveFormats" do json.array do adaptive_fmts.each_with_index do |adaptive_fmt, i| json.object do json.field "index", adaptive_fmt["index"] json.field "bitrate", adaptive_fmt["bitrate"] json.field "init", adaptive_fmt["init"] json.field "url", adaptive_fmt["url"] json.field "itag", adaptive_fmt["itag"] json.field "type", adaptive_fmt["type"] json.field "clen", adaptive_fmt["clen"] json.field "lmt", adaptive_fmt["lmt"] json.field "projectionType", adaptive_fmt["projection_type"] fmt_info = itag_to_metadata(adaptive_fmt["itag"]) json.field "container", fmt_info["ext"] json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"] if fmt_info["fps"]? json.field "fps", fmt_info["fps"] end if fmt_info["height"]? json.field "qualityLabel", "#{fmt_info["height"]}p" json.field "resolution", "#{fmt_info["height"]}p" if fmt_info["width"]? json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}" end end end end end end json.field "formatStreams" do json.array do fmt_stream.each do |fmt| json.object do json.field "url", fmt["url"] json.field "itag", fmt["itag"] json.field "type", fmt["type"] json.field "quality", fmt["quality"] fmt_info = itag_to_metadata(fmt["itag"]) json.field "container", fmt_info["ext"] json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"] if fmt_info["fps"]? json.field "fps", fmt_info["fps"] end if fmt_info["height"]? json.field "qualityLabel", "#{fmt_info["height"]}p" json.field "resolution", "#{fmt_info["height"]}p" if fmt_info["width"]? json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}" end end end end end end json.field "captions" do json.array do captions.each do |caption| json.object do json.field "label", caption["name"]["simpleText"] json.field "languageCode", caption["languageCode"] end end end end json.field "recommendedVideos" do json.array do video.info["rvs"].split(",").each do |rv| rv = HTTP::Params.parse(rv) if rv["id"]? json.object do json.field "videoId", rv["id"] json.field "title", rv["title"] json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{rv["id"]}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end json.field "author", rv["author"] json.field "lengthSeconds", rv["length_seconds"] json.field "viewCountText", rv["short_view_count_text"].rchop(" views") end end end end end end end video_info end get "/api/v1/trending" do |env| client = make_client(YT_URL) trending = client.get("/feed/trending?disable_polymer=1").body trending = XML.parse_html(trending) videos = JSON.build do |json| json.array do trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"])).each do |node| length_seconds = node.xpath_node(%q(.//span[@class="video-time"])).not_nil!.content minutes, seconds = length_seconds.split(":") length_seconds = minutes.to_i * 60 + seconds.to_i video = node.xpath_node(%q(.//h3/a)).not_nil! title = video.content id = video["href"].lchop("/watch?v=") channel = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-byline")]/a)).not_nil! author = channel.content author_url = channel["href"] published, views = node.xpath_nodes(%q(.//ul[@class="yt-lockup-meta-info"]/li)) views = views.content.rchop(" views").delete(",").to_i descriptionHtml = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")])).not_nil!.to_s description = descriptionHtml.gsub("
", "\n") description = description.gsub("
", "\n") description = XML.parse_html(description) published = published.content.split(" ")[-3..-1].join(" ") published = decode_date(published) json.object do json.field "title", title json.field "videoId", id json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end json.field "lengthSeconds", length_seconds json.field "views", views json.field "author", author json.field "authorUrl", author_url json.field "published", published.epoch json.field "description", description.content json.field "descriptionHtml", descriptionHtml end end end end env.response.content_type = "application/json" videos end get "/api/v1/top" do |env| videos = JSON.build do |json| json.array do top_videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{video.id}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end json.field "lengthSeconds", video.info["length_seconds"].to_i json.field "views", video.views json.field "author", video.author json.field "authorUrl", "/channel/#{video.ucid}" json.field "published", video.published.epoch description = video.description.gsub("
", "\n") description = description.gsub("
", "\n") description = XML.parse_html(description) json.field "description", description.content json.field "descriptionHtml", video.description end end end end env.response.content_type = "application/json" videos end get "/api/v1/channels/:ucid" do |env| ucid = env.params.url["ucid"] client = make_client(YT_URL) channel = get_channel(ucid, client, PG_DB, pull_all_videos: false) # TODO: Integrate this into `get_channel` function # We can't get everything from RSS feed, so we get it from the channel page channel_html = client.get("/channel/#{ucid}/about?disable_polymer=1").body channel_html = XML.parse_html(channel_html) banner = channel_html.xpath_node(%q(//div[@id="gh-banner"]/style)).not_nil!.content banner = "https:" + banner.match(/background-image: url\((?[^)]+)\)/).not_nil!["url"] author_url = channel_html.xpath_node(%q(//a[@class="channel-header-profile-image-container spf-link"])).not_nil!["href"] author_thumbnail = channel_html.xpath_node(%q(//img[@class="channel-header-profile-image"])).not_nil!["src"] description = channel_html.xpath_node(%q(//meta[@itemprop="description"])).not_nil!["content"] paid = channel_html.xpath_node(%q(//meta[@itemprop="paid"])).not_nil!["content"] == "True" is_family_friendly = channel_html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True" allowed_regions = channel_html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",") sub_count, total_views, joined = channel_html.xpath_nodes(%q(//span[@class="about-stat"])) sub_count = sub_count.content.rchop(" subscribers").delete(",").to_i64 total_views = total_views.content.rchop(" views").lchop(" • ").delete(",").to_i64 joined = Time.parse(joined.content.lchop("Joined "), "%b %-d, %Y", Time::Location.local) latest_videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid = $1 ORDER BY published DESC LIMIT 15", channel.id, as: ChannelVideo) channel_info = JSON.build do |json| json.object do json.field "author", channel.author json.field "authorId", channel.id json.field "authorUrl", author_url json.field "authorBanners" do json.array do qualities = [{width: 2560, height: 424}, {width: 2120, height: 351}, {width: 1060, height: 175}] qualities.each do |quality| json.object do json.field "url", banner.gsub("=w1060", "=w#{quality[:width]}") json.field "width", quality[:width] json.field "height", quality[:height] end end json.object do json.field "url", banner.rchop("=w1060-fcrop64=1,00005a57ffffa5a8-nd-c0xffffffff-rj-k-no") json.field "width", 512 json.field "height", 288 end end end json.field "authorThumbnails" do json.array do qualities = [32, 48, 76, 100, 512] qualities.each do |quality| json.object do json.field "url", author_thumbnail.gsub("/s100-", "/s#{quality}-") json.field "width", quality json.field "height", quality end end end end json.field "subCount", sub_count json.field "totalViews", total_views json.field "joined", joined.epoch json.field "paid", paid json.field "isFamilyFriendly", is_family_friendly json.field "description", description json.field "allowedRegions", allowed_regions json.field "latestVideos" do json.array do latest_videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "published", video.published.epoch json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{video.id}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end end end end end end end env.response.content_type = "application/json" channel_info end get "/api/v1/channels/:ucid/videos" do |env| ucid = env.params.url["ucid"] page = env.params.query["page"]? page ||= 1 url = produce_videos_url(ucid, page) client = make_client(YT_URL) response = client.get(url) json = JSON.parse(response.body) content_html = json["content_html"].as_s if content_html.empty? halt env, status_code: 403 end document = XML.parse_html(content_html) videos = JSON.build do |json| json.array do document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |item| anchor = item.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a)) if !anchor halt env, status_code: 403 end title = anchor.content.strip video_id = anchor["href"].lchop("/watch?v=") view_count = item.xpath_node(%q(.//div[@class="yt-lockup-meta"]/ul/li[2])).not_nil! view_count = view_count.content.rchop(" views").delete(",").to_i descriptionHtml = item.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")])).not_nil!.to_s description = descriptionHtml.gsub("
", "\n") description = description.gsub("
", "\n") description = XML.parse_html(description).content.strip("\n ") published = item.xpath_node(%q(.//div[@class="yt-lockup-meta"]/ul/li[1])) if !published next end published = published.content published = decode_date(published) json.object do json.field "title", title json.field "videoId", video_id json.field "videoThumbnails" do json.object do qualities = [{name: "default", url: "default", width: 120, height: 90}, {name: "high", url: "hqdefault", width: 480, height: 360}, {name: "medium", url: "mqdefault", width: 320, height: 180}, ] qualities.each do |quality| json.field quality[:name] do json.object do json.field "url", "https://i.ytimg.com/vi/#{video_id}/#{quality["url"]}.jpg" json.field "width", quality[:width] json.field "height", quality[:height] end end end end end json.field "description", description json.field "descriptionHtml", descriptionHtml json.field "viewCount", view_count json.field "published", published.epoch end end end end env.response.content_type = "application/json" videos end get "/embed/:id" do |env| if env.params.url["id"]? id = env.params.url["id"] else next env.redirect "/" end if env.params.query["start"]? video_start = decode_time(env.params.query["start"]) end if env.params.query["t"]? video_start = decode_time(env.params.query["t"]) end video_start ||= 0 if env.params.query["end"]? video_end = decode_time(env.params.query["end"]) end video_end ||= -1 if env.params.query["listen"]? && env.params.query["listen"] == "true" listen = true env.params.query.delete_all("listen") end listen ||= false raw = env.params.query["raw"]? && env.params.query["raw"].to_i raw ||= 0 raw = raw == 1 quality = env.params.query["quality"]? && env.params.query["quality"] quality ||= "hd720" autoplay = env.params.query["autoplay"]?.try &.to_i autoplay ||= 0 controls = env.params.query["controls"]?.try &.to_i controls ||= 1 video_loop = env.params.query["loop"]?.try &.to_i video_loop ||= 0 client = make_client(YT_URL) begin video = get_video(id, client, PG_DB) rescue ex error_message = ex.message next templated "error" end fmt_stream = [] of HTTP::Params video.info["url_encoded_fmt_stream_map"].split(",") do |string| if !string.empty? fmt_stream << HTTP::Params.parse(string) end end fmt_stream.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") } fmt_stream = fmt_stream.uniq { |s| s["label"] } adaptive_fmts = [] of HTTP::Params if video.info.has_key?("adaptive_fmts") video.info["adaptive_fmts"].split(",") do |string| adaptive_fmts << HTTP::Params.parse(string) end end if adaptive_fmts[0]? && adaptive_fmts[0]["s"]? adaptive_fmts.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end fmt_stream.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end end audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil } audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse! audio_streams.each do |stream| stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s end if raw url = fmt_stream[0]["url"] fmt_stream.each do |fmt| if fmt["label"].split(" - ")[0] == quality url = fmt["url"] end end next env.redirect url end thumbnail = "https://i.ytimg.com/vi/#{id}/mqdefault.jpg" rendered "embed" end get "/search" do |env| if env.params.query["q"]? query = env.params.query["q"] else next env.redirect "/" end page = env.params.query["page"]?.try &.to_i page ||= 1 client = make_client(YT_URL) html = client.get("/results?q=#{URI.escape(query)}&page=#{page}&sp=EgIQAVAU").body html = XML.parse_html(html) videos = [] of ChannelVideo html.xpath_nodes(%q(//ol[@class="item-section"]/li)).each do |item| root = item.xpath_node(%q(div[contains(@class,"yt-lockup-video")]/div)) if root id = root.xpath_node(%q(div[contains(@class,"yt-lockup-thumbnail")]/a/@href)) if id id = id.content.lchop("/watch?v=") end id ||= "" title = root.xpath_node(%q(div[@class="yt-lockup-content"]/h3/a)) if title title = title.content end title ||= "" author = root.xpath_node(%q(div[@class="yt-lockup-content"]/div/a)) if author ucid = author["href"].rpartition("/")[-1] author = author.content end author ||= "" ucid ||= "" video = ChannelVideo.new(id, title, Time.now, Time.now, ucid, author) videos << video end end templated "search" end get "/login" do |env| user = env.get? "user" if user next env.redirect "/feed/subscriptions" end referer = env.request.headers["referer"]? referer ||= "/feed/subscriptions" account_type = env.params.query["type"]? account_type ||= "invidious" if account_type == "invidious" captcha = generate_captcha(HMAC_KEY) end tfa = env.params.query["tfa"]? tfa ||= false if referer.ends_with? "/login" referer = "/feed/subscriptions" end if referer.size > 64 referer = "/feed/subscriptions" end templated "login" end # See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79 post "/login" do |env| referer = env.params.query["referer"]? referer ||= "/feed/subscriptions" email = env.params.body["email"]? password = env.params.body["password"]? account_type = env.params.query["type"]? account_type ||= "google" if account_type == "google" tfa_code = env.params.body["tfa"]?.try &.lchop("G-") begin client = make_client(LOGIN_URL) headers = HTTP::Headers.new headers["Content-Type"] = "application/x-www-form-urlencoded;charset=utf-8" headers["Google-Accounts-XSRF"] = "1" login_page = client.get("/ServiceLogin") headers = login_page.cookies.add_request_headers(headers) login_page = XML.parse_html(login_page.body) inputs = {} of String => String login_page.xpath_nodes(%q(//input[@type="submit"])).each do |node| name = node["id"]? || node["name"]? name ||= "" value = node["value"]? value ||= "" if name != "" && value != "" inputs[name] = value end end login_page.xpath_nodes(%q(//input[@type="hidden"])).each do |node| name = node["id"]? || node["name"]? name ||= "" value = node["value"]? value ||= "" if name != "" && value != "" inputs[name] = value end end lookup_req = %(["#{email}",null,[],null,"US",null,null,2,false,true,[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true],"#{email}"]) lookup_results = client.post("/_/signin/sl/lookup", headers, login_req(inputs, lookup_req)) headers = lookup_results.cookies.add_request_headers(headers) lookup_results = lookup_results.body lookup_results = lookup_results[5..-1] lookup_results = JSON.parse(lookup_results) user_hash = lookup_results[0][2] challenge_req = %(["#{user_hash}",null,1,null,[1,null,null,null,["#{password}",null,true]],[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true]]) challenge_results = client.post("/_/signin/sl/challenge", headers, login_req(inputs, challenge_req)) headers = challenge_results.cookies.add_request_headers(headers) challenge_results = challenge_results.body challenge_results = challenge_results[5..-1] challenge_results = JSON.parse(challenge_results) headers["Cookie"] = URI.unescape(headers["Cookie"]) if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED" error_message = "Incorrect password" next templated "error" end if challenge_results[0][-1][0].as_a? # Prefer Authenticator app and SMS over unsupported protocols if challenge_results[0][-1][0][0][8] != 6 || challenge_results[0][-1][0][0][8] != 9 tfa = challenge_results[0][-1][0].as_a.select { |auth_type| auth_type[8] == 6 || auth_type[8] == 9 }[0] select_challenge = "[#{challenge_results[0][-1][0].as_a.index(tfa).not_nil!}]" tl = challenge_results[1][2] tfa = client.post("/_/signin/selectchallenge?TL=#{tl}", headers, login_req(inputs, select_challenge)).body tfa = tfa[5..-1] tfa = JSON.parse(tfa)[0][-1] else tfa = challenge_results[0][-1][0][0] end if tfa[2] == "TWO_STEP_VERIFICATION" if tfa[5] == "QUOTA_EXCEEDED" error_message = "Quota exceeded, try again in a few hours" next templated "error" end if !tfa_code next env.redirect "/login?tfa=true&type=google" end tl = challenge_results[1][2] request_type = tfa[8] case request_type when 6 # Authenticator app tfa_req = %(["#{user_hash}",null,2,null,[6,null,null,null,null,["#{tfa_code}",false]]]) when 9 # Voice or text message tfa_req = %(["#{user_hash}",null,2,null,[9,null,null,null,null,null,null,null,[null,"#{tfa_code}",false,2]]]) else error_message = "Unable to login, make sure two-factor authentication (Authenticator or SMS) is enabled." next templated "error" end challenge_results = client.post("/_/signin/challenge?hl=en&TL=#{tl}", headers, login_req(inputs, tfa_req)) headers = challenge_results.cookies.add_request_headers(headers) challenge_results = challenge_results.body challenge_results = challenge_results[5..-1] challenge_results = JSON.parse(challenge_results) if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED" error_message = "Invalid TFA code" next templated "error" end end end login_res = challenge_results[0][13][2].to_s login = client.get(login_res, headers) headers = login.cookies.add_request_headers(headers) login = client.get(login.headers["Location"], headers) headers = HTTP::Headers.new headers = login.cookies.add_request_headers(headers) sid = login.cookies["SID"].value client = make_client(YT_URL) user = get_user(sid, client, headers, PG_DB) # We are now logged in host = URI.parse(env.request.headers["Host"]).host login.cookies.each do |cookie| if Kemal.config.ssl || CONFIG.https_only cookie.secure = true else cookie.secure = false end cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host) cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "") end login.cookies.add_response_headers(env.response.headers) env.redirect referer rescue ex error_message = "Login failed. This may be because two-factor authentication is not enabled on your account." next templated "error" end elsif account_type == "invidious" challenge_response = env.params.body["challenge_response"]? token = env.params.body["token"]? action = env.params.body["action"]? action ||= "signin" if !email error_message = "User ID is a required field" next templated "error" end if !password error_message = "Password is a required field" next templated "error" end if !challenge_response || !token error_message = "CAPTCHA is a required field" next templated "error" end challenge_response = challenge_response.lstrip('0') if OpenSSL::HMAC.digest(:sha256, HMAC_KEY, challenge_response) == Base64.decode(token) else error_message = "Invalid CAPTCHA response" next templated "error" end if action == "signin" user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User) if !user error_message = "Invalid username or password" next templated "error" end if !user.password error_message = "Please sign in using 'Sign in with Google'" next templated "error" end if Crypto::Bcrypt::Password.new(user.password.not_nil!) == password sid = Base64.encode(Random::Secure.random_bytes(50)) PG_DB.exec("UPDATE users SET id = $1 WHERE email = $2", sid, email) if Kemal.config.ssl || CONFIG.https_only secure = true else secure = false end env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) else error_message = "Invalid username or password" next templated "error" end elsif action == "register" user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User) if user error_message = "Please sign in" next templated "error" end sid = Base64.encode(Random::Secure.random_bytes(50)) user = create_user(sid, email, password) user_array = user.to_a user_array[5] = user_array[5].to_json args = arg_array(user_array) PG_DB.exec("INSERT INTO users VALUES (#{args})", user_array) if Kemal.config.ssl || CONFIG.https_only secure = true else secure = false end env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) end env.redirect referer end end get "/signout" do |env| referer = env.request.headers["referer"]? referer ||= "/" env.request.cookies.each do |cookie| cookie.expires = Time.new(1990, 1, 1) end env.request.cookies.add_response_headers(env.response.headers) env.redirect referer end get "/preferences" do |env| user = env.get? "user" referer = env.request.headers["referer"]? referer ||= "/preferences" if referer.size > 64 referer = "/preferences" end if user user = user.as(User) templated "preferences" else env.redirect referer end end post "/preferences" do |env| user = env.get? "user" referer = env.params.query["referer"]? referer ||= "/preferences" if user user = user.as(User) video_loop = env.params.body["video_loop"]?.try &.as(String) video_loop ||= "off" video_loop = video_loop == "on" autoplay = env.params.body["autoplay"]?.try &.as(String) autoplay ||= "off" autoplay = autoplay == "on" speed = env.params.body["speed"]?.try &.as(String).to_f speed ||= 1.0 quality = env.params.body["quality"]?.try &.as(String) quality ||= "hd720" volume = env.params.body["volume"]?.try &.as(String).to_i volume ||= 100 dark_mode = env.params.body["dark_mode"]?.try &.as(String) dark_mode ||= "off" dark_mode = dark_mode == "on" thin_mode = env.params.body["thin_mode"]?.try &.as(String) thin_mode ||= "off" thin_mode = thin_mode == "on" max_results = env.params.body["max_results"]?.try &.as(String).to_i max_results ||= 40 sort = env.params.body["sort"]?.try &.as(String) sort ||= "published" latest_only = env.params.body["latest_only"]?.try &.as(String) latest_only ||= "off" latest_only = latest_only == "on" preferences = { "video_loop" => video_loop, "autoplay" => autoplay, "speed" => speed, "quality" => quality, "volume" => volume, "dark_mode" => dark_mode, "thin_mode" => thin_mode, "max_results" => max_results, "sort" => sort, "latest_only" => latest_only, }.to_json PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email) end env.redirect referer end # Get subscriptions for authorized user get "/feed/subscriptions" do |env| user = env.get? "user" if user user = user.as(User) preferences = user.preferences # Refresh account headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] if !user.password client = make_client(YT_URL) user = get_user(user.id, client, headers, PG_DB) end max_results = preferences.max_results max_results ||= env.params.query["max_results"]?.try &.to_i max_results ||= 40 page = env.params.query["page"]?.try &.to_i page ||= 1 if max_results < 0 limit = nil offset = (page - 1) * 1 else limit = max_results offset = (page - 1) * max_results end if preferences.latest_only args = arg_array(user.subscriptions) videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \ ucid IN (#{args}) ORDER BY ucid, published DESC", user.subscriptions, as: ChannelVideo) videos.sort_by! { |video| video.published }.reverse! else args = arg_array(user.subscriptions, 3) videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{args}) \ ORDER BY published DESC LIMIT $1 OFFSET $2", [limit, offset] + user.subscriptions, as: ChannelVideo) end case preferences.sort when "alphabetically" videos.sort_by! { |video| video.title } when "alphabetically - reverse" videos.sort_by! { |video| video.title }.reverse! when "channel name" videos.sort_by! { |video| video.author } when "channel name - reverse" videos.sort_by! { |video| video.author }.reverse! end # TODO: Add option to disable picking out notifications from regular feed notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email, as: Array(String)) notifications = videos.select { |v| notifications.includes? v.id } videos = videos - notifications if !limit videos = videos[0..max_results] end PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE id = $3", [] of String, Time.now, user.id) user.notifications = [] of String env.set "user", user templated "subscriptions" else env.redirect "/" end end get "/feed/private" do |env| token = env.params.query["token"]? if !token halt env, status_code: 401 end user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token, as: User) if !user halt env, status_code: 401 end max_results = env.params.query["max_results"]?.try &.to_i max_results ||= 40 page = env.params.query["page"]?.try &.to_i page ||= 1 if max_results < 0 limit = nil offset = (page - 1) * 1 else limit = max_results offset = (page - 1) * max_results end latest_only = env.params.query["latest_only"]?.try &.to_i latest_only ||= 0 latest_only = latest_only == 1 if latest_only args = arg_array(user.subscriptions) videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \ ucid IN (#{args}) ORDER BY ucid, published DESC", user.subscriptions, as: ChannelVideo) videos.sort_by! { |video| video.published }.reverse! else args = arg_array(user.subscriptions, 3) videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{args}) \ ORDER BY published DESC LIMIT $1 OFFSET $2", [limit, offset] + user.subscriptions, as: ChannelVideo) end sort = env.params.query["sort"]? sort ||= "published" case sort when "alphabetically" videos.sort_by! { |video| video.title } when "reverse_alphabetically" videos.sort_by! { |video| video.title }.reverse! when "channel_name" videos.sort_by! { |video| video.author } when "reverse_channel_name" videos.sort_by! { |video| video.author }.reverse! end if Kemal.config.ssl || CONFIG.https_only scheme = "https://" else scheme = "http://" end if !limit videos = videos[0..max_results] end host = env.request.headers["Host"] path = env.request.path query = env.request.query.not_nil! feed = XML.build(indent: " ", encoding: "UTF-8") do |xml| xml.element("feed", xmlns: "http://www.w3.org/2005/Atom", "xmlns:media": "http://search.yahoo.com/mrss/", "xml:lang": "en-US") do xml.element("link", "type": "text/html", rel: "alternate", href: "#{scheme}#{host}/feed/subscriptions") xml.element("link", "type": "application/atom+xml", rel: "self", href: "#{scheme}#{host}#{path}?#{query}") xml.element("title") { xml.text "Invidious Private Feed for #{user.email}" } videos.each do |video| xml.element("entry") do xml.element("id") { xml.text "yt:video:#{video.id}" } xml.element("yt:videoId") { xml.text video.id } xml.element("yt:channelId") { xml.text video.ucid } xml.element("title") { xml.text video.title } xml.element("link", rel: "alternate", href: "#{scheme}#{host}/watch?v=#{video.id}") xml.element("author") do xml.element("name") { xml.text video.author } xml.element("uri") { xml.text "#{scheme}#{host}/channel/#{video.ucid}" } end xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") } xml.element("updated") { xml.text video.updated.to_s("%Y-%m-%dT%H:%M:%S%:z") } xml.element("media:group") do xml.element("media:title") { xml.text video.title } xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/hqdefault.jpg", width: "480", height: "360") end end end end end env.response.content_type = "application/atom+xml" feed end # Function that is useful if you have multiple channels that don't have # the bell dinged. Request parameters are fairly self-explanatory, # receive_all_updates = true and receive_post_updates = true will ding all # channels. Calling /modify_notifications without any arguments will # request all notifications from all channels. # /modify_notifications?receive_all_updates=false&receive_no_updates=false # will "unding" all subscriptions. get "/modify_notifications" do |env| user = env.get? "user" referer = env.request.headers["referer"]? referer ||= "/" if user user = user.as(User) channel_req = {} of String => String channel_req["receive_all_updates"] = env.params.query["receive_all_updates"]? || "true" channel_req["receive_no_updates"] = env.params.query["receive_no_updates"]? || "" channel_req["receive_post_updates"] = env.params.query["receive_post_updates"]? || "true" channel_req.reject! { |k, v| v != "true" && v != "false" } headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] client = make_client(YT_URL) subs = client.get("/subscription_manager?disable_polymer=1", headers) headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"] match = subs.body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/) if match session_token = match["session_token"] else next env.redirect referer end channel_req["session_token"] = session_token headers["content-type"] = "application/x-www-form-urlencoded" subs = XML.parse_html(subs.body) subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel| channel_id = channel.content.lstrip("/channel/").not_nil! channel_req["channel_id"] = channel_id client.post("/subscription_ajax?action_update_subscription_preferences=1", headers, HTTP::Params.encode(channel_req)).body end end env.redirect referer end get "/subscription_manager" do |env| user = env.get? "user" if !user next env.redirect "/" end user = user.as(User) if !user.password # Refresh account headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] client = make_client(YT_URL) user = get_user(user.id, client, headers, PG_DB) end subscriptions = user.subscriptions client = make_client(YT_URL) subscriptions = subscriptions.map do |ucid| get_channel(ucid, client, PG_DB, false) end subscriptions.sort_by! { |channel| channel.author.downcase } templated "subscription_manager" end get "/subscription_ajax" do |env| user = env.get? "user" referer = env.request.headers["referer"]? referer ||= "/" if user user = user.as(User) if env.params.query["action_create_subscription_to_channel"]? action = "action_create_subscription_to_channel" elsif env.params.query["action_remove_subscriptions"]? action = "action_remove_subscriptions" else next env.redirect referer end channel_id = env.params.query["c"]? channel_id ||= "" if !user.password headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] client = make_client(YT_URL) subs = client.get("/subscription_manager?disable_polymer=1", headers) headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"] match = subs.body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/) if match session_token = match["session_token"] else next env.redirect "/" end headers["content-type"] = "application/x-www-form-urlencoded" post_req = { "session_token" => session_token, } post_req = HTTP::Params.encode(post_req) post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}" # Update user if client.post(post_url, headers, post_req).status_code == 200 sid = user.id case action when .starts_with? "action_create" PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid) when .starts_with? "action_remove" PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid) end end else sid = user.id case action when .starts_with? "action_create" if !user.subscriptions.includes? channel_id PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid) client = make_client(YT_URL) get_channel(channel_id, client, PG_DB, false, false) end when .starts_with? "action_remove" PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid) end end end env.redirect referer end get "/user/:user" do |env| user = env.params.url["user"] env.redirect "/channel/#{user}" end get "/channel/:ucid" do |env| user = env.get? "user" if user user = user.as(User) subscriptions = user.subscriptions end subscriptions ||= [] of String ucid = env.params.url["ucid"] page = env.params.query["page"]?.try &.to_i page ||= 1 client = make_client(YT_URL) if !ucid.starts_with? "UC" rss = client.get("/feeds/videos.xml?user=#{ucid}").body rss = XML.parse_html(rss) ucid = rss.xpath_node("//feed/channelid").not_nil!.content env.redirect "/channel/#{ucid}" end url = produce_playlist_url(ucid, (page - 1) * 100) response = client.get(url) json = JSON.parse(response.body) document = XML.parse_html(json["content_html"].as_s) author = document.xpath_node(%q(//div[@class="pl-video-owner"]/a)).not_nil!.content videos = [] of ChannelVideo document.xpath_nodes(%q(//a[contains(@class,"pl-video-title-link")])).each do |item| href = URI.parse(item["href"]) id = HTTP::Params.parse(href.query.not_nil!)["v"] title = item.content videos << ChannelVideo.new(id, title, Time.now, Time.now, ucid, author) end templated "channel" end get "/redirect" do |env| if env.params.query["q"]? env.redirect env.params.query["q"] else env.redirect "/" end end get "/api/manifest/dash/id/:id" do |env| env.response.headers.add("Access-Control-Allow-Origin", "*") env.response.content_type = "application/dash+xml" local = env.params.query["local"]?.try &.== "true" id = env.params.url["id"] client = make_client(YT_URL) begin video = get_video(id, client, PG_DB) rescue ex halt env, status_code: 403 end if video.info["dashmpd"]? manifest = client.get(video.info["dashmpd"]).body manifest = manifest.gsub(/[^<]+<\/BaseURL>/) do |baseurl| url = baseurl.lchop("") url = url.rchop("") if local if Kemal.config.ssl || CONFIG.https_only scheme = "https://" end scheme ||= "http://" url = scheme + env.request.headers["Host"] + URI.parse(url).full_path end "#{url}" end next manifest end adaptive_fmts = [] of HTTP::Params if video.info.has_key?("adaptive_fmts") video.info["adaptive_fmts"].split(",") do |string| adaptive_fmts << HTTP::Params.parse(string) end else halt env, status_code: 403 end if local adaptive_fmts.each do |fmt| if Kemal.config.ssl || CONFIG.https_only scheme = "https://" end scheme ||= "http://" fmt["url"] = scheme + env.request.headers["Host"] + URI.parse(fmt["url"]).full_path end end if adaptive_fmts[0]? && adaptive_fmts[0]["s"]? adaptive_fmts.each do |fmt| fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function) end end video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video/mp4") ? s : nil } audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio/mp4") ? s : nil } audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse! audio_streams.each do |fmt| fmt["bitrate"] = (fmt["bitrate"].to_f64/1000).to_i.to_s end manifest = XML.build(indent: " ", encoding: "UTF-8") do |xml| xml.element("MPD", "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance", "xmlns": "urn:mpeg:DASH:schema:MPD:2011", "xmlns:yt": "http://youtube.com/yt/2012/10/10", "xsi:schemaLocation": "urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd", minBufferTime: "PT1.5S", profiles: "urn:mpeg:dash:profile:isoff-main:2011", type: "static", mediaPresentationDuration: "PT#{video.info["length_seconds"]}S") do xml.element("Period") do xml.element("AdaptationSet", id: 0, mimeType: "audio/mp4", subsegmentAlignment: true) do xml.element("Role", schemeIdUri: "urn:mpeg:DASH:role:2011", value: "main") audio_streams.each do |fmt| mimetype, codecs = fmt["type"].split(";") codecs = codecs[9..-2] fmt_type = mimetype.split("/")[0] bandwidth = fmt["bitrate"] itag = fmt["itag"] url = fmt["url"] url = url.gsub("?", "/") url = url.gsub("&", "/") url = url.gsub("=", "/") xml.element("Representation", id: fmt["itag"], codecs: codecs, bandwidth: bandwidth) do xml.element("AudioChannelConfiguration", schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011", value: "2") xml.element("BaseURL") { xml.text url } xml.element("SegmentBase", indexRange: fmt["init"]) do xml.element("Initialization", range: fmt["index"]) end end end end xml.element("AdaptationSet", id: 1, mimeType: "video/mp4", subsegmentAlignment: true) do xml.element("Role", schemeIdUri: "urn:mpeg:DASH:role:2011", value: "main") video_streams.each do |fmt| mimetype, codecs = fmt["type"].split(";") codecs = codecs[9..-2] bandwidth = fmt["bitrate"] itag = fmt["itag"] url = fmt["url"] url = url.gsub("?", "/") url = url.gsub("&", "/") url = url.gsub("=", "/") height, width = fmt["size"].split("x") xml.element("Representation", id: itag, codecs: codecs, width: width, startWithSAP: "1", maxPlayoutRate: "1", height: height, bandwidth: bandwidth, frameRate: fmt["fps"]) do xml.element("BaseURL") { xml.text url } xml.element("SegmentBase", indexRange: fmt["init"]) do xml.element("Initialization", range: fmt["index"]) end end end end end end end manifest = manifest.gsub(%(), %()) manifest = manifest.gsub(%(), %()) manifest end options "/videoplayback*" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.response.headers["Access-Control-Allow-Methods"] = "GET" env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, range" end get "/videoplayback*" do |env| path = env.request.path if path != "/videoplayback" path = path.lchop("/videoplayback/") path = path.rchop("/") path = path.gsub(/mime\/\w+\/\w+/) do |mimetype| mimetype = mimetype.split("/") mimetype[0] + "/" + mimetype[1] + "%2F" + mimetype[2] end path = path.split("/") raw_params = {} of String => Array(String) path.each_slice(2) do |pair| key, value = pair value = URI.unescape(value) if raw_params[key]? raw_params[key] << value else raw_params[key] = [value] end end query_params = HTTP::Params.new(raw_params) else query_params = env.params.query end fvip = query_params["fvip"] mn = query_params["mn"].split(",")[0] host = "https://r#{fvip}---#{mn}.googlevideo.com" url = "/videoplayback?#{query_params.to_s}" client = make_client(URI.parse(host)) response = client.head(url) headers = env.request.headers headers.delete("Host") headers.delete("Cookie") headers.delete("User-Agent") headers.delete("Referer") client.get(url, headers) do |response| if response.headers["Location"]? url = URI.parse(response.headers["Location"]) env.response.headers["Access-Control-Allow-Origin"] = "*" env.redirect url.full_path else env.response.status_code = response.status_code response.headers.each do |key, value| env.response.headers[key] = value end env.response.headers["Access-Control-Allow-Origin"] = "*" begin chunk_size = 4096 size = 1 while size > 0 size = IO.copy(response.body_io, env.response.output, chunk_size) env.response.flush Fiber.yield end rescue ex break end end end end get "/:id" do |env| id = env.params.url["id"] params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{id}" if params url += "&#{params}" end env.redirect url end error 404 do |env| error_message = "404 Page not found" templated "error" end error 500 do |env| error_message = "500 Server error" templated "error" end # Add redirect if SSL is enabled if Kemal.config.ssl spawn do server = HTTP::Server.new do |context| redirect_url = "https://#{context.request.host}#{context.request.path}" if context.request.query redirect_url += "?#{context.request.query}" end context.response.headers.add("Location", redirect_url) context.response.status_code = 301 end server.bind_tcp "0.0.0.0", 80 server.listen end before_all do |env| env.response.headers.add("Strict-Transport-Security", "max-age=31536000; includeSubDomains; preload") end end static_headers do |response, filepath, filestat| response.headers.add("Cache-Control", "max-age=86400") end public_folder "assets" add_handler FilteredCompressHandler.new add_context_storage_type(User) Kemal.run