# "Invidious" (which is an alternative front-end to YouTube) # 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 "zip" require "./invidious/helpers/*" 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 feed_threads = CONFIG.feed_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("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{feed_threads})") do |number| begin feed_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://www.reddit.com") LOGIN_URL = URI.parse("https://accounts.google.com") crawl_threads.times do spawn do crawl_videos(PG_DB) end end refresh_channels(PG_DB, channel_threads, CONFIG.full_refresh) refresh_feeds(PG_DB, feed_threads) video_threads.times do |i| spawn do refresh_videos(PG_DB) end end top_videos = [] of Video spawn do pull_top_videos(CONFIG, PG_DB) do |videos| top_videos = videos end end decrypt_function = [] of {name: String, value: Int32} spawn do update_decrypt_function do |function| decrypt_function = function end end proxies = {} of String => Array({ip: String, port: Int32}) if CONFIG.geo_bypass spawn do find_working_proxies(BYPASS_REGIONS) do |region, list| if !list.empty? proxies[region] = list end end end end before_all do |env| env.response.headers["X-XSS-Protection"] = "1; mode=block;" env.response.headers["X-Content-Type-Options"] = "nosniff" 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 $1 = ANY(id)", sid, as: User) if user env.set "user", user env.set "sid", sid end else begin client = make_client(YT_URL) user = get_user(sid, client, headers, PG_DB, false) env.set "user", user env.set "sid", sid rescue ex end end end current_page = env.request.path if env.request.query query = HTTP::Params.parse(env.request.query.not_nil!) if query["referer"]? query["referer"] = get_referer(env, "/") end current_page += "?#{query}" end env.set "current_page", URI.escape(current_page) end get "/" do |env| user = env.get? "user" if user user = user.as(User) if user.preferences.redirect_feed env.redirect "/feed/subscriptions" end end templated "index" end # Videos get "/:id" do |env| id = env.params.url["id"] if md = id.match(/[a-zA-Z0-9_-]{11}/) params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{id}" if !params.empty? url += "&#{params}" end env.redirect url else env.response.status_code = 404 end end get "/watch" do |env| if env.params.query.to_s.includes?("%20") || env.params.query.to_s.includes?("+") url = "/watch?" + env.params.query.to_s.gsub("%20", "").delete("+") next env.redirect url end if env.params.query["v"]? id = env.params.query["v"] if env.params.query["v"].empty? error_message = "Invalid parameters." next templated "error" end if id.size > 11 url = "/watch?v=#{id[0, 11]}" env.params.query.delete_all("v") if env.params.query.size > 0 url += "&#{env.params.query}" end next env.redirect url end else next env.redirect "/" end plid = env.params.query["list"]? nojs = env.params.query["nojs"]? nojs ||= "0" nojs = nojs == "1" user = env.get? "user" if user user = user.as(User) if !user.watched.includes? id PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE id = $2", [id], user.id) end preferences = user.preferences subscriptions = user.subscriptions end subscriptions ||= [] of String params = process_video_params(env.params.query, preferences) env.params.query.delete_all("listen") begin video = get_video(id, PG_DB, proxies) rescue ex : VideoRedirect next env.redirect "/watch?v=#{ex.message}" rescue ex error_message = ex.message STDOUT << id << " : " << ex.message << "\n" next templated "error" end if nojs if preferences source = preferences.comments[0] if source.empty? source = preferences.comments[1] end if source == "youtube" begin comments = fetch_youtube_comments(id, "", proxies, "html") comments = JSON.parse(comments) comment_html = template_youtube_comments(comments) rescue ex if preferences.comments[1] == "reddit" comments, reddit_thread = fetch_reddit_comments(id) comment_html = template_reddit_comments(comments) comment_html = fill_links(comment_html, "https", "www.reddit.com") comment_html = replace_links(comment_html) end end elsif source == "reddit" begin comments, reddit_thread = fetch_reddit_comments(id) comment_html = template_reddit_comments(comments) comment_html = fill_links(comment_html, "https", "www.reddit.com") comment_html = replace_links(comment_html) rescue ex if preferences.comments[1] == "youtube" comments = fetch_youtube_comments(id, "", proxies, "html") comments = JSON.parse(comments) comment_html = template_youtube_comments(comments) end end end else comments = fetch_youtube_comments(id, "", proxies, "html") comments = JSON.parse(comments) comment_html = template_youtube_comments(comments) end comment_html ||= "" end fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) video_streams = video.video_streams(adaptive_fmts) audio_streams = video.audio_streams(adaptive_fmts) captions = video.captions preferred_captions = captions.select { |caption| params[:preferred_captions].includes?(caption.name.simpleText) || params[:preferred_captions].includes?(caption.languageCode.split("-")[0]) } preferred_captions.sort_by! { |caption| (params[:preferred_captions].index(caption.name.simpleText) || params[:preferred_captions].index(caption.languageCode.split("-")[0])).not_nil! } captions = captions - preferred_captions aspect_ratio = "16:9" video.description = fill_links(video.description, "https", "www.youtube.com") video.description = replace_links(video.description) description = video.short_description host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) host_params = env.request.query_params host_params.delete_all("v") if video.info["hlsvp"]? hlsvp = video.info["hlsvp"] hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url) end thumbnail = "/vi/#{video.id}/maxres.jpg" if params[:raw] url = fmt_stream[0]["url"] fmt_stream.each do |fmt| if fmt["label"].split(" - ")[0] == params[:quality] url = fmt["url"] end end next env.redirect url end rvs = [] of Hash(String, String) video.info["rvs"]?.try &.split(",").each do |rv| rvs << HTTP::Params.parse(rv).to_h end # rating = (video.likes.to_f/(video.likes.to_f + video.dislikes.to_f) * 4 + 1) rating = video.info["avg_rating"].to_f64 engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100) playability_status = video.player_response["playabilityStatus"]? if playability_status && playability_status["status"] == "LIVE_STREAM_OFFLINE" reason = playability_status["reason"]?.try &.as_s end reason ||= "" templated "watch" end get "/embed/:id" do |env| id = env.params.url["id"] if id.includes?("%20") || id.includes?("+") || env.params.query.to_s.includes?("%20") || env.params.query.to_s.includes?("+") id = env.params.url["id"].gsub("%20", "").delete("+") url = "/embed/#{id}" if env.params.query.size > 0 url += "?#{env.params.query.to_s.gsub("%20", "").delete("+")}" end next env.redirect url end if id.size > 11 url = "/embed/#{id[0, 11]}" if env.params.query.size > 0 url += "?#{env.params.query}" end next env.redirect url end params = process_video_params(env.params.query, nil) begin video = get_video(id, PG_DB, proxies) rescue ex : VideoRedirect next env.redirect "/embed/#{ex.message}" rescue ex error_message = ex.message next templated "error" end fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) video_streams = video.video_streams(adaptive_fmts) audio_streams = video.audio_streams(adaptive_fmts) captions = video.captions preferred_captions = captions.select { |caption| params[:preferred_captions].includes?(caption.name.simpleText) || params[:preferred_captions].includes?(caption.languageCode.split("-")[0]) } preferred_captions.sort_by! { |caption| (params[:preferred_captions].index(caption.name.simpleText) || params[:preferred_captions].index(caption.languageCode.split("-")[0])).not_nil! } captions = captions - preferred_captions aspect_ratio = nil video.description = fill_links(video.description, "https", "www.youtube.com") video.description = replace_links(video.description) description = video.short_description host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) host_params = env.request.query_params host_params.delete_all("v") if video.info["hlsvp"]? hlsvp = video.info["hlsvp"] hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url) end thumbnail = "/vi/#{video.id}/maxres.jpg" if params[:raw] url = fmt_stream[0]["url"] fmt_stream.each do |fmt| if fmt["label"].split(" - ")[0] == params[:quality] url = fmt["url"] end end next env.redirect url end rendered "embed" end # Playlists get "/playlist" do |env| plid = env.params.query["list"]? if !plid next env.redirect "/" end page = env.params.query["page"]?.try &.to_i? page ||= 1 if plid.starts_with? "RD" next env.redirect "/mix?list=#{plid}" end begin playlist = fetch_playlist(plid) rescue ex error_message = ex.message next templated "error" end begin videos = fetch_playlist_videos(plid, page, playlist.video_count) rescue ex videos = [] of PlaylistVideo end templated "playlist" end get "/mix" do |env| rdid = env.params.query["list"]? if !rdid next env.redirect "/" end continuation = env.params.query["continuation"]? continuation ||= rdid.lchop("RD") begin mix = fetch_mix(rdid, continuation) rescue ex error_message = ex.message next templated "error" end templated "mix" end # Search get "/results" do |env| query = env.params.query["search_query"]? query ||= env.params.query["q"]? query ||= "" page = env.params.query["page"]?.try &.to_i? page ||= 1 if query env.redirect "/search?q=#{URI.escape(query)}&page=#{page}" else env.redirect "/" end end get "/search" do |env| query = env.params.query["search_query"]? query ||= env.params.query["q"]? query ||= "" page = env.params.query["page"]?.try &.to_i? page ||= 1 user = env.get? "user" if user user = user.as(User) view_name = "subscriptions_#{sha256(user.email)[0..7]}" end channel = nil content_type = "all" date = "" duration = "" features = [] of String sort = "relevance" subscriptions = nil operators = query.split(" ").select { |a| a.match(/\w+:[\w,]+/) } operators.each do |operator| key, value = operator.downcase.split(":") case key when "channel", "user" channel = value when "content_type", "type" content_type = value when "date" date = value when "duration" duration = value when "feature", "features" features = value.split(",") when "sort" sort = value when "subscriptions" subscriptions = value == "true" end end search_query = (query.split(" ") - operators).join(" ") if channel count, videos = channel_search(search_query, page, channel) elsif subscriptions if view_name videos = PG_DB.query_all("SELECT id,title,published,updated,ucid,author FROM ( SELECT *, to_tsvector(#{view_name}.title) || to_tsvector(#{view_name}.author) as document FROM #{view_name} ) v_search WHERE v_search.document @@ plainto_tsquery($1) LIMIT 20 OFFSET $2;", search_query, (page - 1) * 20, as: ChannelVideo) count = videos.size else videos = [] of ChannelVideo count = 0 end else begin search_params = produce_search_params(sort: sort, date: date, content_type: content_type, duration: duration, features: features) rescue ex error_message = ex.message next templated "error" end count, videos = search(search_query, page, search_params).as(Tuple) end templated "search" end # Users get "/login" do |env| user = env.get? "user" if user next env.redirect "/feed/subscriptions" end referer = get_referer(env, "/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 templated "login" end # See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79 post "/login" do |env| referer = get_referer(env, "/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&referer=#{URI.escape(referer)}" 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 LOWER(email) = LOWER($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.urlsafe_encode(Random::Secure.random_bytes(32)) PG_DB.exec("UPDATE users SET id = id || $1 WHERE LOWER(email) = LOWER($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" if password.empty? error_message = "Password cannot be empty" next templated "error" end # See https://security.stackexchange.com/a/39851 if password.size > 55 error_message = "Password cannot be longer than 55 characters" next templated "error" end user = PG_DB.query_one?("SELECT * FROM users WHERE LOWER(email) = LOWER($1) AND password IS NOT NULL", email, as: User) if user error_message = "Please sign in" next templated "error" end sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32)) 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) view_name = "subscriptions_#{sha256(user.email)[0..7]}" PG_DB.exec("CREATE MATERIALIZED VIEW #{view_name} AS \ SELECT * FROM channel_videos WHERE \ ucid = ANY ((SELECT subscriptions FROM users WHERE email = '#{user.email}')::text[]) \ ORDER BY published DESC;") 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 # TODO: Update this with using the same method for /clear_watch_history to prevent CSRF get "/signout" do |env| referer = get_referer(env) env.request.cookies.each do |cookie| cookie.expires = Time.new(1990, 1, 1) end if env.get? "user" user = env.get("user").as(User) sid = env.get("sid").as(String) PG_DB.exec("UPDATE users SET id = array_remove(id, $1) WHERE email = $2", sid, user.email) end env.request.cookies.add_response_headers(env.response.headers) env.redirect referer end get "/preferences" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) templated "preferences" else env.redirect referer end end post "/preferences" do |env| user = env.get? "user" referer = get_referer(env) 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" listen = env.params.body["listen"]?.try &.as(String) listen ||= "off" listen = listen == "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 comments_0 = env.params.body["comments_0"]?.try &.as(String) || "youtube" comments_1 = env.params.body["comments_1"]?.try &.as(String) || "" comments = [comments_0, comments_1] captions_0 = env.params.body["captions_0"]?.try &.as(String) || "" captions_1 = env.params.body["captions_1"]?.try &.as(String) || "" captions_2 = env.params.body["captions_2"]?.try &.as(String) || "" captions = [captions_0, captions_1, captions_2] related_videos = env.params.body["related_videos"]?.try &.as(String) related_videos ||= "off" related_videos = related_videos == "on" redirect_feed = env.params.body["redirect_feed"]?.try &.as(String) redirect_feed ||= "off" redirect_feed = redirect_feed == "on" 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" unseen_only = env.params.body["unseen_only"]?.try &.as(String) unseen_only ||= "off" unseen_only = unseen_only == "on" notifications_only = env.params.body["notifications_only"]?.try &.as(String) notifications_only ||= "off" notifications_only = notifications_only == "on" preferences = { "video_loop" => video_loop, "autoplay" => autoplay, "listen" => listen, "speed" => speed, "quality" => quality, "volume" => volume, "comments" => comments, "captions" => captions, "related_videos" => related_videos, "redirect_feed" => redirect_feed, "dark_mode" => dark_mode, "thin_mode" => thin_mode, "max_results" => max_results, "sort" => sort, "latest_only" => latest_only, "unseen_only" => unseen_only, "notifications_only" => notifications_only, }.to_json PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email) end env.redirect referer end get "/toggle_theme" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) preferences = user.preferences if preferences.dark_mode preferences.dark_mode = false else preferences.dark_mode = true end PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email) end env.redirect referer end # /modify_notifications # will "ding" all subscriptions. # /modify_notifications?receive_all_updates=false&receive_no_updates=false # will "unding" all subscriptions. get "/modify_notifications" do |env| user = env.get? "user" referer = get_referer(env) 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" referer = get_referer(env, "/") if !user next env.redirect referer 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[0], client, headers, PG_DB) end action_takeout = env.params.query["action_takeout"]?.try &.to_i? action_takeout ||= 0 action_takeout = action_takeout == 1 format = env.params.query["format"]? format ||= "rss" client = make_client(YT_URL) subscriptions = [] of InvidiousChannel user.subscriptions.each do |ucid| begin subscriptions << get_channel(ucid, client, PG_DB, false) rescue ex next end end subscriptions.sort_by! { |channel| channel.author.downcase } if action_takeout host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) if format == "json" env.response.content_type = "application/json" env.response.headers["content-disposition"] = "attachment" next { "subscriptions" => user.subscriptions, "watch_history" => user.watched, "preferences" => user.preferences, }.to_json else env.response.content_type = "application/xml" env.response.headers["content-disposition"] = "attachment" export = XML.build do |xml| xml.element("opml", version: "1.1") do xml.element("body") do if format == "newpipe" title = "YouTube Subscriptions" else title = "Invidious Subscriptions" end xml.element("outline", text: title, title: title) do subscriptions.each do |channel| if format == "newpipe" xmlUrl = "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel.id}" else xmlUrl = "#{host_url}/feed/channel/#{channel.id}" end xml.element("outline", text: channel.author, title: channel.author, "type": "rss", xmlUrl: xmlUrl) end end end end end next export.gsub(%(\n), "") end end templated "subscription_manager" end get "/data_control" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) templated "data_control" else env.redirect referer end end post "/data_control" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) HTTP::FormData.parse(env.request) do |part| body = part.body.gets_to_end if body.empty? next end case part.name when "import_invidious" body = JSON.parse(body) body["subscriptions"]?.try &.as_a.each do |ucid| ucid = ucid.as_s if !user.subscriptions.includes? ucid begin client = make_client(YT_URL) get_channel(ucid, client, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) user.subscriptions << ucid rescue ex next end end end if body["watch_history"]? watched = user.watched + body["watch_history"].as_a.map { |a| a.as_s } watched.uniq! PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", watched, user.email) end if body["preferences"]? PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", body["preferences"].to_json, user.email) end when "import_youtube" subscriptions = XML.parse(body) subscriptions.xpath_nodes(%q(//outline[@type="rss"])).each do |channel| ucid = channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0] if !user.subscriptions.includes? ucid begin client = make_client(YT_URL) get_channel(ucid, client, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) user.subscriptions << ucid rescue ex next end end end when "import_freetube" body.scan(/"channelId":"(?[a-zA-Z0-9_-]{24})"/).each do |md| ucid = md["channel_id"] if !user.subscriptions.includes? ucid begin client = make_client(YT_URL) get_channel(ucid, client, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) user.subscriptions << ucid rescue ex next end end end when "import_newpipe_subscriptions" body = JSON.parse(body) body["subscriptions"].as_a.each do |channel| ucid = channel["url"].as_s.match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0] if !user.subscriptions.includes? ucid begin client = make_client(YT_URL) get_channel(ucid, client, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) user.subscriptions << ucid rescue ex next end end end when "import_newpipe" Zip::Reader.open(body) do |file| file.each_entry do |entry| if entry.filename == "newpipe.db" # We do this because the SQLite driver cannot parse a database from an IO # Currently: channel URLs can **only** be subscriptions, and # video URLs can **only** be watch history, so this works okay for now. db = entry.io.gets_to_end db.scan(/youtube\.com\/watch\?v\=(?[a-zA-Z0-9_-]{11})/) do |md| id = md["id"] if !user.watched.includes? id PG_DB.exec("UPDATE users SET watched = array_append(watched,$1) WHERE email = $2", id, user.email) user.watched << id end end db.scan(/youtube\.com\/channel\/(?[a-zA-Z0-9_-]{22})/) do |md| ucid = md["ucid"] if !user.subscriptions.includes? ucid begin client = make_client(YT_URL) get_channel(ucid, client, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) user.subscriptions << ucid rescue ex next end end end end end end end end end env.redirect referer end get "/subscription_ajax" do |env| user = env.get? "user" referer = get_referer(env) 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 referer 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 "/delete_account" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) challenge, token = create_response(user.email, "delete_account", HMAC_KEY) templated "delete_account" else env.redirect referer end end post "/delete_account" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) challenge = env.params.body["challenge"]? token = env.params.body["token"]? begin validate_response(challenge, token, user.email, "delete_account", HMAC_KEY) rescue ex error_message = ex.message next templated "error" end view_name = "subscriptions_#{sha256(user.email)[0..7]}" PG_DB.exec("DROP MATERIALIZED VIEW #{view_name}") PG_DB.exec("DELETE FROM users * WHERE email = $1", user.email) env.request.cookies.each do |cookie| cookie.expires = Time.new(1990, 1, 1) end env.request.cookies.add_response_headers(env.response.headers) end env.redirect referer end get "/clear_watch_history" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) challenge, token = create_response(user.email, "clear_watch_history", HMAC_KEY) templated "clear_watch_history" else env.redirect referer end end post "/clear_watch_history" do |env| user = env.get? "user" referer = get_referer(env) if user user = user.as(User) challenge = env.params.body["challenge"]? token = env.params.body["token"]? begin validate_response(challenge, token, user.email, "clear_watch_history", HMAC_KEY) rescue ex error_message = ex.message next templated "error" end PG_DB.exec("UPDATE users SET watched = '{}' WHERE email = $1", user.email) end env.redirect referer end # Feeds get "/feed/subscriptions" do |env| user = env.get? "user" referer = get_referer(env) 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[0], 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 notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email, as: Array(String)) view_name = "subscriptions_#{sha256(user.email)[0..7]}" if preferences.notifications_only && !notifications.empty? args = arg_array(notifications) notifications = PG_DB.query_all("SELECT * FROM channel_videos WHERE id IN (#{args}) ORDER BY published DESC", notifications, as: ChannelVideo) videos = [] of ChannelVideo notifications.sort_by! { |video| video.published }.reverse! case preferences.sort when "alphabetically" notifications.sort_by! { |video| video.title } when "alphabetically - reverse" notifications.sort_by! { |video| video.title }.reverse! when "channel name" notifications.sort_by! { |video| video.author } when "channel name - reverse" notifications.sort_by! { |video| video.author }.reverse! end else if preferences.latest_only if preferences.unseen_only if user.watched.empty? watched = "'{}'" else watched = arg_array(user.watched) end videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \ id NOT IN (#{watched}) ORDER BY ucid, published DESC", user.watched, as: ChannelVideo) else videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \ ORDER BY ucid, published DESC", as: ChannelVideo) end videos.sort_by! { |video| video.published }.reverse! else if preferences.unseen_only if user.watched.empty? watched = "'{}'" else watched = arg_array(user.watched, 3) end videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \ id NOT IN (#{watched}) LIMIT $1 OFFSET $2", [limit, offset] + user.watched, as: ChannelVideo) else videos = PG_DB.query_all("SELECT * FROM #{view_name} \ ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo) end 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 end 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 referer end end get "/feed/channel/:ucid" do |env| env.response.content_type = "text/xml" ucid = env.params.url["ucid"] begin author, ucid, auto_generated = get_about_info(ucid) rescue ex error_message = ex.message halt env, status_code: 500, response: error_message end page = 1 videos, count = get_60_videos(ucid, page, auto_generated) host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) path = env.request.path feed = XML.build(indent: " ", encoding: "UTF-8") do |xml| xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015", "xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom") do xml.element("link", rel: "self", href: "#{host_url}#{path}") xml.element("id") { xml.text "yt:channel:#{ucid}" } xml.element("yt:channelId") { xml.text ucid } xml.element("title") { xml.text author } xml.element("link", rel: "alternate", href: "#{host_url}/channel/#{ucid}") xml.element("author") do xml.element("name") { xml.text author } xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" } end 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: "#{host_url}/watch?v=#{video.id}") xml.element("author") do if auto_generated xml.element("name") { xml.text video.author } xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" } else xml.element("name") { xml.text author } xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" } end end xml.element("published") { xml.text video.published.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: "/vi/#{video.id}/mqdefault.jpg", width: "320", height: "180") xml.element("media:description") { xml.text video.description } end xml.element("media:community") do xml.element("media:statistics", views: video.views) end end end end end feed end get "/feed/private" do |env| token = env.params.query["token"]? if !token halt env, status_code: 403 end user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User) if !user halt env, status_code: 403 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 view_name = "subscriptions_#{sha256(user.email)[0..7]}" if latest_only videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} ORDER BY ucid, published DESC", as: ChannelVideo) videos.sort_by! { |video| video.published }.reverse! else videos = PG_DB.query_all("SELECT * FROM #{view_name} \ ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, 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 !limit videos = videos[0..max_results] end host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, 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: "#{host_url}/feed/subscriptions") xml.element("link", "type": "application/atom+xml", rel: "self", href: "#{host_url}#{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: "#{host_url}/watch?v=#{video.id}") xml.element("author") do xml.element("name") { xml.text video.author } xml.element("uri") { xml.text "#{host_url}/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: "/vi/#{video.id}/mqdefault.jpg", width: "320", height: "180") end end end end end env.response.content_type = "application/atom+xml" feed end get "/feed/playlist/:plid" do |env| plid = env.params.url["plid"] host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) path = env.request.path client = make_client(YT_URL) response = client.get("/feeds/videos.xml?playlist_id=#{plid}") document = XML.parse(response.body) document.xpath_nodes(%q(//*[@href]|//*[@url])).each do |node| node.attributes.each do |attribute| case attribute.name when "url" node["url"] = "#{host_url}#{URI.parse(node["url"]).full_path}" when "href" node["href"] = "#{host_url}#{URI.parse(node["href"]).full_path}" end end end document = document.to_xml(options: XML::SaveOptions::NO_DECL) document.scan(/(?[^<]+)<\/uri>/).each do |match| content = "#{host_url}#{URI.parse(match["url"]).full_path}" document = document.gsub(match[0], "#{content}") end env.response.content_type = "text/xml" document end # Channels # YouTube appears to let users set a "brand" URL that # is different from their username, so we convert that here get "/c/:user" do |env| client = make_client(YT_URL) user = env.params.url["user"] response = client.get("/c/#{user}") document = XML.parse_html(response.body) anchor = document.xpath_node(%q(//a[contains(@class,"branded-page-header-title-link")])) if !anchor next env.redirect "/" end env.redirect anchor["href"] end get "/user/:user" do |env| user = env.params.url["user"] env.redirect "/channel/#{user}" end get "/user/:user/videos" do |env| user = env.params.url["user"] env.redirect "/channel/#{user}/videos" 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 begin author, ucid, auto_generated, sub_count = get_about_info(ucid) rescue ex error_message = ex.message next templated "error" end if !auto_generated if author.includes? " " env.set "search", "channel:#{ucid} " else env.set "search", "channel:#{author.downcase} " end end videos, count = get_60_videos(ucid, page, auto_generated) templated "channel" end get "/channel/:ucid/videos" do |env| ucid = env.params.url["ucid"] params = env.request.query if !params || params.empty? params = "" else params = "?#{params}" end env.redirect "/channel/#{ucid}#{params}" end # API Endpoints get "/api/v1/captions/:id" do |env| env.response.content_type = "application/json" id = env.params.url["id"] client = make_client(YT_URL) begin video = get_video(id, PG_DB, proxies) rescue ex : VideoRedirect next env.redirect "/api/v1/captions/#{ex.message}" rescue ex halt env, status_code: 500 end captions = video.captions label = env.params.query["label"]? lang = env.params.query["lang"]? tlang = env.params.query["tlang"]? if !label && !lang response = JSON.build do |json| json.object do 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 json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}" end end end end end end next response end env.response.content_type = "text/vtt" caption = captions.select { |caption| caption.name.simpleText == label } if lang caption = captions.select { |caption| caption.languageCode == lang } end if caption.empty? halt env, status_code: 404 else caption = caption[0] end caption_xml = client.get(caption.baseUrl + "&tlang=#{tlang}").body caption_xml = XML.parse(caption_xml) webvtt = <<-END_VTT WEBVTT Kind: captions Language: #{tlang || caption.languageCode} END_VTT caption_nodes = caption_xml.xpath_nodes("//transcript/text") caption_nodes.each_with_index do |node, i| start_time = node["start"].to_f.seconds duration = node["dur"]?.try &.to_f.seconds duration ||= start_time if caption_nodes.size > i + 1 end_time = caption_nodes[i + 1]["start"].to_f.seconds else end_time = start_time + duration end 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) text = text.gsub(//, "") text = text.gsub(/<\/font>/, "") 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| env.response.content_type = "application/json" id = env.params.url["id"] source = env.params.query["source"]? source ||= "youtube" format = env.params.query["format"]? format ||= "json" continuation = env.params.query["continuation"]? continuation ||= "" if source == "youtube" begin comments = fetch_youtube_comments(id, continuation, proxies, format) rescue ex error_message = {"error" => ex.message}.to_json halt env, status_code: 500, response: error_message end if format == "json" next comments else comments = JSON.parse(comments) content_html = template_youtube_comments(comments) response = JSON.build do |json| json.object do json.field "contentHtml", content_html if comments["commentCount"]? json.field "commentCount", comments["commentCount"] else json.field "commentCount", 0 end end end next response end elsif source == "reddit" begin comments, reddit_thread = fetch_reddit_comments(id) content_html = template_reddit_comments(comments) content_html = fill_links(content_html, "https", "www.reddit.com") content_html = replace_links(content_html) rescue ex comments = nil reddit_thread = nil content_html = "" end if !reddit_thread || !comments halt env, status_code: 404 end if format == "json" reddit_thread = JSON.parse(reddit_thread.to_json).as_h reddit_thread["comments"] = JSON.parse(comments.to_json) next reddit_thread.to_json else next { "title" => reddit_thread.title, "permalink" => reddit_thread.permalink, "contentHtml" => content_html, }.to_json end end end get "/api/v1/insights/:id" do |env| id = env.params.url["id"] env.response.content_type = "application/json" client = make_client(YT_URL) headers = HTTP::Headers.new html = client.get("/watch?v=#{id}&gl=US&hl=en&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"] post_req = { "session_token" => session_token, } post_req = HTTP::Params.encode(post_req) response = client.post("/insight_ajax?action_get_statistics_and_data=1&v=#{id}", headers, post_req).body response = XML.parse(response) html_content = XML.parse_html(response.xpath_node(%q(//html_content)).not_nil!.content) graph_data = response.xpath_node(%q(//graph_data)) if !graph_data error = html_content.xpath_node(%q(//p)).not_nil!.content next {"error" => error}.to_json end graph_data = JSON.parse(graph_data.content) view_count = 0_i64 time_watched = 0_i64 subscriptions_driven = 0 shares = 0 stats_nodes = html_content.xpath_nodes(%q(//table/tr/td)) stats_nodes.each do |node| key = node.xpath_node(%q(.//span)) value = node.xpath_node(%q(.//div)) if !key || !value next end key = key.content value = value.content case key when "Views" view_count = value.delete(", ").to_i64 when "Time watched" time_watched = value when "Subscriptions driven" subscriptions_driven = value.delete(", ").to_i when "Shares" shares = value.delete(", ").to_i end end avg_view_duration_seconds = html_content.xpath_node(%q(//div[@id="stats-chart-tab-watch-time"]/span/span[2])).not_nil!.content avg_view_duration_seconds = decode_length_seconds(avg_view_duration_seconds) { "viewCount" => view_count, "timeWatchedText" => time_watched, "subscriptionsDriven" => subscriptions_driven, "shares" => shares, "avgViewDurationSeconds" => avg_view_duration_seconds, "graphData" => graph_data, }.to_json end get "/api/v1/videos/:id" do |env| env.response.content_type = "application/json" id = env.params.url["id"] begin video = get_video(id, PG_DB, proxies) rescue ex : VideoRedirect next env.redirect "/api/v1/videos/#{ex.message}" rescue ex error_message = {"error" => ex.message}.to_json halt env, status_code: 500, response: error_message end fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) captions = video.captions video_info = JSON.build do |json| json.object do json.field "title", video.title json.field "videoId", video.id json.field "videoThumbnails" do generate_thumbnails(json, video.id) end video.description, description = html_to_content(video.description) json.field "description", description json.field "descriptionHtml", video.description json.field "published", video.published.to_unix json.field "publishedText", "#{recode_date(video.published)} ago" json.field "keywords", video.keywords json.field "viewCount", video.views json.field "likeCount", video.likes json.field "dislikeCount", video.dislikes json.field "paid", video.paid json.field "premium", video.premium json.field "isFamilyFriendly", video.is_family_friendly json.field "allowedRegions", video.allowed_regions json.field "genre", video.genre json.field "genreUrl", video.genre_url json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "authorThumbnails" do json.array do qualities = [32, 48, 76, 100, 176, 512] qualities.each do |quality| json.object do json.field "url", video.author_thumbnail.gsub("=s48-", "=s#{quality}-") json.field "width", quality json.field "height", quality end end end end json.field "subCountText", video.sub_count_text 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 if video.info["hlsvp"]? host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?) host_params = env.request.query_params host_params.delete_all("v") hlsvp = video.info["hlsvp"] hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url) json.field "hlsUrl", hlsvp end json.field "adaptiveFormats" do json.array do adaptive_fmts.each do |fmt| json.object do json.field "index", fmt["index"] json.field "bitrate", fmt["bitrate"] json.field "init", fmt["init"] json.field "url", fmt["url"] json.field "itag", fmt["itag"] json.field "type", fmt["type"] json.field "clen", fmt["clen"] json.field "lmt", fmt["lmt"] json.field "projectionType", fmt["projection_type"] fmt_info = itag_to_metadata?(fmt["itag"]) if fmt_info fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30 json.field "fps", fps json.field "container", fmt_info["ext"] json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"] if fmt_info["height"]? json.field "resolution", "#{fmt_info["height"]}p" quality_label = "#{fmt_info["height"]}p" if fps > 30 quality_label += "60" end json.field "qualityLabel", quality_label if fmt_info["width"]? json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}" end 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"]) if fmt_info fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30 json.field "fps", fps json.field "container", fmt_info["ext"] json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"] if fmt_info["height"]? json.field "resolution", "#{fmt_info["height"]}p" quality_label = "#{fmt_info["height"]}p" if fps > 30 quality_label += "60" end json.field "qualityLabel", quality_label if fmt_info["width"]? json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}" end 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 json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}" end end end end json.field "recommendedVideos" do json.array do video.info["rvs"]?.try &.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 generate_thumbnails(json, rv["id"]) end json.field "author", rv["author"] json.field "lengthSeconds", rv["length_seconds"].to_i json.field "viewCountText", rv["short_view_count_text"] 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 nodeset = trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"])) extract_videos(nodeset).each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "videoThumbnails" do generate_thumbnails(json, video.id) end json.field "lengthSeconds", video.length_seconds json.field "viewCount", video.views json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "published", video.published.to_unix json.field "publishedText", "#{recode_date(video.published)} ago" json.field "description", video.description json.field "descriptionHtml", video.description_html 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 generate_thumbnails(json, video.id) end json.field "lengthSeconds", video.info["length_seconds"].to_i json.field "viewCount", video.views json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "published", video.published.to_unix json.field "publishedText", "#{recode_date(video.published)} ago" 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| env.response.content_type = "application/json" ucid = env.params.url["ucid"] begin author, ucid, auto_generated = get_about_info(ucid) rescue ex error_message = {"error" => ex.message}.to_json halt env, status_code: 500, response: error_message end page = 1 videos, count = get_60_videos(ucid, page, auto_generated) client = make_client(YT_URL) 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 = channel_html.xpath_node(%q(//a[contains(@class, "branded-page-header-title-link")])).not_nil!.content 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_html = channel_html.xpath_node(%q(//div[contains(@class,"about-description")])) description_html, description = html_to_content(description_html) 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(",") total_views = 0_i64 sub_count = 0_i64 joined = Time.unix(0) metadata = channel_html.xpath_nodes(%q(//span[@class="about-stat"])) metadata.each do |item| case item.content when .includes? "views" total_views = item.content.delete("views •,").to_i64 when .includes? "subscribers" sub_count = item.content.delete("subscribers").delete(",").to_i64 when .includes? "Joined" joined = Time.parse(item.content.lchop("Joined "), "%b %-d, %Y", Time::Location.local) end end channel_info = JSON.build do |json| json.object do json.field "author", author json.field "authorId", ucid 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, 176, 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.to_unix json.field "paid", paid json.field "isFamilyFriendly", is_family_friendly json.field "description", description json.field "descriptionHtml", description_html json.field "allowedRegions", allowed_regions json.field "latestVideos" do json.array do videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id if auto_generated json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" else json.field "author", author json.field "authorId", ucid json.field "authorUrl", "/channel/#{ucid}" end json.field "videoThumbnails" do generate_thumbnails(json, video.id) end json.field "description", video.description json.field "descriptionHtml", video.description_html json.field "viewCount", video.views json.field "published", video.published.to_unix json.field "publishedText", "#{recode_date(video.published)} ago" json.field "lengthSeconds", video.length_seconds json.field "liveNow", video.live_now json.field "paid", video.paid json.field "premium", video.premium end end end end end end channel_info end ["/api/v1/channels/:ucid/videos", "/api/v1/channels/videos/:ucid"].each do |route| get route do |env| env.response.content_type = "application/json" ucid = env.params.url["ucid"] page = env.params.query["page"]?.try &.to_i? page ||= 1 begin author, ucid, auto_generated = get_about_info(ucid) rescue ex error_message = {"error" => ex.message}.to_json halt env, status_code: 500, response: error_message end videos, count = get_60_videos(ucid, page, auto_generated) result = JSON.build do |json| json.array do videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id if auto_generated json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" else json.field "author", author json.field "authorId", ucid json.field "authorUrl", "/channel/#{ucid}" end json.field "videoThumbnails" do generate_thumbnails(json, video.id) end json.field "description", video.description json.field "descriptionHtml", video.description_html json.field "viewCount", video.views json.field "published", video.published.to_unix json.field "publishedText", "#{recode_date(video.published)} ago" json.field "lengthSeconds", video.length_seconds json.field "liveNow", video.live_now json.field "paid", video.paid json.field "premium", video.premium end end end end result end end get "/api/v1/channels/search/:ucid" do |env| env.response.content_type = "application/json" ucid = env.params.url["ucid"] query = env.params.query["q"]? query ||= "" page = env.params.query["page"]?.try &.to_i? page ||= 1 count, search_results = channel_search(query, page, ucid) response = JSON.build do |json| json.array do search_results.each do |item| json.object do case item when SearchVideo json.field "type", "video" json.field "title", item.title json.field "videoId", item.id json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "videoThumbnails" do generate_thumbnails(json, item.id) end json.field "description", item.description json.field "descriptionHtml", item.description_html json.field "viewCount", item.views json.field "published", item.published.to_unix json.field "publishedText", "#{recode_date(item.published)} ago" json.field "lengthSeconds", item.length_seconds json.field "liveNow", item.live_now json.field "paid", item.paid json.field "premium", item.premium when SearchPlaylist json.field "type", "playlist" json.field "title", item.title json.field "playlistId", item.id json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "videoCount", item.video_count json.field "videos" do json.array do item.videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "lengthSeconds", video.length_seconds json.field "videoThumbnails" do generate_thumbnails(json, video.id) end end end end end when SearchChannel json.field "type", "channel" json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "authorThumbnails" do json.array do qualities = [32, 48, 76, 100, 176, 512] qualities.each do |quality| json.object do json.field "url", item.author_thumbnail.gsub("=s176-", "=s#{quality}-") json.field "width", quality json.field "height", quality end end end end json.field "subCount", item.subscriber_count json.field "videoCount", item.video_count json.field "description", item.description json.field "descriptionHtml", item.description_html end end end end end response end get "/api/v1/search" do |env| env.response.content_type = "application/json" query = env.params.query["q"]? query ||= "" page = env.params.query["page"]?.try &.to_i? page ||= 1 sort_by = env.params.query["sort_by"]?.try &.downcase sort_by ||= "relevance" date = env.params.query["date"]?.try &.downcase date ||= "" duration = env.params.query["date"]?.try &.downcase duration ||= "" features = env.params.query["features"]?.try &.split(",").map { |feature| feature.downcase } features ||= [] of String # TODO: Support other content types content_type = env.params.query["type"]?.try &.downcase content_type ||= "video" begin search_params = produce_search_params(sort_by, date, content_type, duration, features) rescue ex env.response.status_code = 400 next JSON.build do |json| json.object do json.field "error", ex.message end end end count, search_results = search(query, page, search_params).as(Tuple) response = JSON.build do |json| json.array do search_results.each do |item| json.object do case item when SearchVideo json.field "type", "video" json.field "title", item.title json.field "videoId", item.id json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "videoThumbnails" do generate_thumbnails(json, item.id) end json.field "description", item.description json.field "descriptionHtml", item.description_html json.field "viewCount", item.views json.field "published", item.published.to_unix json.field "publishedText", "#{recode_date(item.published)} ago" json.field "lengthSeconds", item.length_seconds json.field "liveNow", item.live_now json.field "paid", item.paid json.field "premium", item.premium when SearchPlaylist json.field "type", "playlist" json.field "title", item.title json.field "playlistId", item.id json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "videoCount", item.video_count json.field "videos" do json.array do item.videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "lengthSeconds", video.length_seconds json.field "videoThumbnails" do generate_thumbnails(json, video.id) end end end end end when SearchChannel json.field "type", "channel" json.field "author", item.author json.field "authorId", item.ucid json.field "authorUrl", "/channel/#{item.ucid}" json.field "authorThumbnails" do json.array do qualities = [32, 48, 76, 100, 176, 512] qualities.each do |quality| json.object do json.field "url", item.author_thumbnail.gsub("=s176-", "=s#{quality}-") json.field "width", quality json.field "height", quality end end end end json.field "subCount", item.subscriber_count json.field "videoCount", item.video_count json.field "description", item.description json.field "descriptionHtml", item.description_html end end end end end response end get "/api/v1/playlists/:plid" do |env| env.response.content_type = "application/json" plid = env.params.url["plid"] page = env.params.query["page"]?.try &.to_i? page ||= 1 format = env.params.query["format"]? format ||= "json" continuation = env.params.query["continuation"]? if plid.starts_with? "RD" next env.redirect "/api/v1/mixes/#{plid}" end begin playlist = fetch_playlist(plid) rescue ex error_message = {"error" => "Playlist is empty"}.to_json halt env, status_code: 500, response: error_message end begin videos = fetch_playlist_videos(plid, page, playlist.video_count, continuation) rescue ex videos = [] of PlaylistVideo end response = JSON.build do |json| json.object do json.field "title", playlist.title json.field "playlistId", playlist.id json.field "author", playlist.author json.field "authorId", playlist.ucid json.field "authorUrl", "/channel/#{playlist.ucid}" json.field "authorThumbnails" do json.array do qualities = [32, 48, 76, 100, 176, 512] qualities.each do |quality| json.object do json.field "url", playlist.author_thumbnail.gsub("=s100-", "=s#{quality}-") json.field "width", quality json.field "height", quality end end end end json.field "description", playlist.description json.field "descriptionHtml", playlist.description_html json.field "videoCount", playlist.video_count json.field "viewCount", playlist.views json.field "updated", playlist.updated.to_unix json.field "videos" do json.array do videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "videoThumbnails" do generate_thumbnails(json, video.id) end json.field "index", video.index json.field "lengthSeconds", video.length_seconds end end end end end end if format == "html" response = JSON.parse(response) playlist_html = template_playlist(response) next_video = response["videos"].as_a[1]?.try &.["videoId"] response = { "playlistHtml" => playlist_html, "nextVideo" => next_video, }.to_json end response end get "/api/v1/mixes/:rdid" do |env| env.response.content_type = "application/json" rdid = env.params.url["rdid"] continuation = env.params.query["continuation"]? continuation ||= rdid.lchop("RD") format = env.params.query["format"]? format ||= "json" begin mix = fetch_mix(rdid, continuation) if !rdid.ends_with? continuation mix = fetch_mix(rdid, mix.videos[1].id) index = mix.videos.index(mix.videos.select { |video| video.id == continuation }[0]?) end index ||= 0 mix.videos = mix.videos[index..-1] rescue ex error_message = {"error" => ex.message}.to_json halt env, status_code: 500, response: error_message end response = JSON.build do |json| json.object do json.field "title", mix.title json.field "mixId", mix.id json.field "videos" do json.array do mix.videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "author", video.author json.field "authorId", video.ucid json.field "authorUrl", "/channel/#{video.ucid}" json.field "videoThumbnails" do json.array do generate_thumbnails(json, video.id) end end json.field "index", video.index json.field "lengthSeconds", video.length_seconds end end end end end end if format == "html" response = JSON.parse(response) playlist_html = template_mix(response) next_video = response["videos"].as_a[1]?.try &.["videoId"] next_video ||= "" response = { "playlistHtml" => playlist_html, "nextVideo" => next_video, }.to_json end response end get "/api/manifest/dash/id/videoplayback" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.redirect "/videoplayback?#{env.params.query}" end get "/api/manifest/dash/id/videoplayback/*" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.redirect env.request.path.lchop("/api/manifest/dash/id") 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, PG_DB, proxies) rescue ex : VideoRedirect next env.redirect "/api/manifest/dash/id/#{ex.message}" 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 url = URI.parse(url).full_path.lchop("/") end "#{url}" end next manifest end adaptive_fmts = video.adaptive_fmts(decrypt_function) if local adaptive_fmts.each do |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path.lchop("/") end end video_streams = video.video_streams(adaptive_fmts).select { |stream| stream["type"].starts_with? "video/mp4" } audio_streams = video.audio_streams(adaptive_fmts).select { |stream| stream["type"].starts_with? "audio/mp4" } manifest = XML.build(indent: " ", encoding: "UTF-8") do |xml| xml.element("MPD", "xmlns": "urn:mpeg:dash:schema:mpd:2011", "profiles": "urn:mpeg:dash:profile:isoff-live:2011", minBufferTime: "PT1.5S", type: "static", mediaPresentationDuration: "PT#{video.info["length_seconds"]}S") do xml.element("Period") do xml.element("AdaptationSet", mimeType: "audio/mp4", startWithSAP: 1, subsegmentAlignment: true) do audio_streams.each do |fmt| mimetype = fmt["type"].split(";")[0] codecs = fmt["type"].split("codecs=")[1].strip('"') fmt_type = mimetype.split("/")[0] bandwidth = fmt["bitrate"] itag = fmt["itag"] url = fmt["url"] 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["index"]) do xml.element("Initialization", range: fmt["init"]) end end end end xml.element("AdaptationSet", mimeType: "video/mp4", startWithSAP: 1, subsegmentAlignment: true, scanType: "progressive") do video_streams.each do |fmt| mimetype = fmt["type"].split(";") codecs = fmt["type"].split("codecs=")[1].strip('"') bandwidth = fmt["bitrate"] itag = fmt["itag"] url = fmt["url"] height, width = fmt["size"].split("x") xml.element("Representation", id: itag, codecs: codecs, width: width, height: height, startWithSAP: "1", maxPlayoutRate: "1", bandwidth: bandwidth, frameRate: fmt["fps"]) do xml.element("BaseURL") { xml.text url } xml.element("SegmentBase", indexRange: fmt["index"]) do xml.element("Initialization", range: fmt["init"]) end end end end end end end manifest = manifest.gsub(%(), %()) manifest = manifest.gsub(%(), %()) manifest end get "/api/manifest/hls_variant/*" do |env| client = make_client(YT_URL) manifest = client.get(env.request.path) if manifest.status_code != 200 halt env, status_code: manifest.status_code end env.response.content_type = "application/x-mpegURL" env.response.headers.add("Access-Control-Allow-Origin", "*") host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]) manifest = manifest.body manifest.gsub("https://www.youtube.com", host_url) end get "/api/manifest/hls_playlist/*" do |env| client = make_client(YT_URL) manifest = client.get(env.request.path) if manifest.status_code != 200 halt env, status_code: manifest.status_code end host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]) manifest = manifest.body.gsub("https://www.youtube.com", host_url) manifest = manifest.gsub(/https:\/\/r\d---.{11}\.c\.youtube\.com/, host_url) fvip = manifest.match(/hls_chunk_host\/r(?\d)---/).not_nil!["fvip"] manifest = manifest.gsub("seg.ts", "seg.ts/fvip/#{fvip}") env.response.content_type = "application/x-mpegURL" env.response.headers.add("Access-Control-Allow-Origin", "*") manifest end options "/videoplayback" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS" env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range" end options "/videoplayback/*" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS" env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range" end options "/api/manifest/dash/id/videoplayback" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS" env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range" end options "/api/manifest/dash/id/videoplayback/*" do |env| env.response.headers["Access-Control-Allow-Origin"] = "*" env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS" env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range" end get "/videoplayback/*" do |env| path = env.request.path 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) env.response.headers["Access-Control-Allow-Origin"] = "*" env.redirect "/videoplayback?#{query_params}" end get "/videoplayback" do |env| query_params = env.params.query fvip = query_params["fvip"] mn = query_params["mn"].split(",")[-1] host = "https://r#{fvip}---#{mn}.googlevideo.com" url = "/videoplayback?#{query_params.to_s}" if query_params["region"]? client = make_client(URI.parse(host)) response = HTTP::Client::Response.new(status_code: 403) if !proxies[query_params["region"]]? halt env, status_code: 403 end proxies[query_params["region"]].each do |proxy| begin client = HTTPClient.new(URI.parse(host)) client.read_timeout = 10.seconds client.connect_timeout = 10.seconds proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port]) client.set_proxy(proxy) response = client.head(url) if response.status_code == 200 # For whatever reason the proxy needs to be set again client.set_proxy(proxy) break end rescue ex end end else client = make_client(URI.parse(host)) response = client.head(url) end if response.status_code != 200 halt env, status_code: 403 end if response.headers["Location"]? url = URI.parse(response.headers["Location"]) env.response.headers["Access-Control-Allow-Origin"] = "*" next env.redirect url.full_path end headers = env.request.headers headers.delete("Host") headers.delete("Cookie") headers.delete("User-Agent") headers.delete("Referer") client.get(url, headers) do |response| 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 get "/ggpht*" do |env| end get "/ggpht/*" do |env| host = "https://yt3.ggpht.com" client = make_client(URI.parse(host)) url = env.request.path.lchop("/ggpht") headers = env.request.headers headers.delete("Host") headers.delete("Cookie") headers.delete("User-Agent") headers.delete("Referer") client.get(url, headers) do |response| env.response.status_code = response.status_code response.headers.each do |key, value| env.response.headers[key] = value end if response.status_code == 304 break end chunk_size = 4096 size = 1 if response.headers.includes_word?("Content-Encoding", "gzip") Gzip::Writer.open(env.response) do |deflate| until size == 0 size = IO.copy(response.body_io, deflate) env.response.flush end end elsif response.headers.includes_word?("Content-Encoding", "deflate") Flate::Writer.open(env.response) do |deflate| until size == 0 size = IO.copy(response.body_io, deflate) env.response.flush end end else until size == 0 size = IO.copy(response.body_io, env.response, chunk_size) env.response.flush end end end end get "/vi/:id/:name" do |env| id = env.params.url["id"] name = env.params.url["name"] host = "https://i.ytimg.com" client = make_client(URI.parse(host)) if name == "maxres.jpg" VIDEO_THUMBNAILS.each do |thumb| if client.head("/vi/#{id}/#{thumb[:url]}.jpg").status_code == 200 name = thumb[:url] + ".jpg" break end end end url = "/vi/#{id}/#{name}" headers = env.request.headers headers.delete("Host") headers.delete("Cookie") headers.delete("User-Agent") headers.delete("Referer") client.get(url, headers) do |response| env.response.status_code = response.status_code response.headers.each do |key, value| env.response.headers[key] = value end if response.status_code == 304 break end chunk_size = 4096 size = 1 if response.headers.includes_word?("Content-Encoding", "gzip") Gzip::Writer.open(env.response) do |deflate| until size == 0 size = IO.copy(response.body_io, deflate) env.response.flush end end elsif response.headers.includes_word?("Content-Encoding", "deflate") Flate::Writer.open(env.response) do |deflate| until size == 0 size = IO.copy(response.body_io, deflate) env.response.flush end end else until size == 0 size = IO.copy(response.body_io, env.response, chunk_size) env.response.flush end end end end error 404 do |env| if md = env.request.path.match(/^\/(?[a-zA-Z0-9_-]{11})/) id = md["id"] params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{id}" if !params.empty? url += "&#{params}" end env.response.headers["Location"] = url halt env, status_code: 302 end 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 end static_headers do |response, filepath, filestat| response.headers.add("Cache-Control", "max-age=86400") end public_folder "assets" Kemal.config.powered_by_header = false add_handler FilteredCompressHandler.new add_handler DenyFrame.new add_context_storage_type(User) Kemal.run