# "Invidious" (which is an alternative front-end to YouTube) # Copyright (C) 2019 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 "digest/md5" require "file_utils" require "kemal" require "markdown" require "openssl/hmac" require "option_parser" require "pg" require "sqlite3" 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.hex(32) 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 ARCHIVE_URL = URI.parse("https://archive.org") LOGIN_URL = URI.parse("https://accounts.google.com") PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com") REDDIT_URL = URI.parse("https://www.reddit.com") TEXTCAPTCHA_URL = URI.parse("http://textcaptcha.com") YT_URL = URI.parse("https://www.youtube.com") CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_" TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"} CURRENT_BRANCH = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }} CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }} CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }} # This is used to determine the `?v=` on the end of file URLs (for cache busting). We # only need to expire modified assets, so we can use this to find the last commit that changes # any assets ASSET_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit -- assets`.strip}" }} SOFTWARE = { "name" => "invidious", "version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}", "branch" => "#{CURRENT_BRANCH}", } LOCALES = { "ar" => load_locale("ar"), "de" => load_locale("de"), "el" => load_locale("el"), "en-US" => load_locale("en-US"), "eo" => load_locale("eo"), "es" => load_locale("es"), "eu" => load_locale("eu"), "fr" => load_locale("fr"), "it" => load_locale("it"), "nb_NO" => load_locale("nb_NO"), "nl" => load_locale("nl"), "pl" => load_locale("pl"), "ru" => load_locale("ru"), "uk" => load_locale("uk"), } config = CONFIG logger = Invidious::LogHandler.new Kemal.config.extra_options do |parser| parser.banner = "Usage: invidious [arguments]" parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number| begin config.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: #{config.feed_threads})") do |number| begin config.feed_threads = number.to_i rescue ex puts "THREADS must be integer" exit end end parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output| FileUtils.mkdir_p(File.dirname(output)) logger = Invidious::LogHandler.new(File.open(output, mode: "a")) end parser.on("-v", "--version", "Print version") do |output| puts SOFTWARE.to_pretty_json exit end end Kemal::CLI.new ARGV # Check table integrity if CONFIG.check_tables analyze_table(PG_DB, logger, "channel_videos", ChannelVideo) analyze_table(PG_DB, logger, "nonces", Nonce) analyze_table(PG_DB, logger, "session_ids", SessionId) analyze_table(PG_DB, logger, "users", User) analyze_table(PG_DB, logger, "videos", Video) if CONFIG.cache_annotations analyze_table(PG_DB, logger, "annotations", Annotation) end end # Start jobs refresh_channels(PG_DB, logger, config.channel_threads, config.full_refresh) refresh_feeds(PG_DB, logger, config.feed_threads, config.use_feed_events) subscribe_to_feeds(PG_DB, logger, HMAC_KEY, config) statistics = { "error" => "Statistics are not availabile.", } if config.statistics_enabled spawn do loop do statistics = { "version" => "2.0", "software" => SOFTWARE, "openRegistrations" => config.registration_enabled, "usage" => { "users" => { "total" => PG_DB.query_one("SELECT count(*) FROM users", as: Int64), "activeHalfyear" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64), "activeMonth" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64), }, }, "metadata" => { "updatedAt" => Time.now.to_unix, "lastChannelRefreshedAt" => PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0, }, } sleep 1.minute end end end top_videos = [] of Video if config.top_enabled spawn do pull_top_videos(config, PG_DB) do |videos| top_videos = videos sleep 1.minute end end end popular_videos = [] of ChannelVideo spawn do pull_popular_videos(PG_DB) do |videos| popular_videos = videos sleep 1.minute end end decrypt_function = [] of {name: String, value: Int32} spawn do update_decrypt_function do |function| decrypt_function = function end end proxies = PROXY_LIST before_all do |env| host_url = make_host_url(config, Kemal.config) env.response.headers["X-XSS-Protection"] = "1; mode=block" env.response.headers["X-Content-Type-Options"] = "nosniff" env.response.headers["Content-Security-Policy"] = "default-src blob: data: 'self' #{host_url} 'unsafe-inline' 'unsafe-eval'; media-src blob: 'self' #{host_url} https://*.googlevideo.com:443" env.response.headers["Referrer-Policy"] = "same-origin" if (Kemal.config.ssl || config.https_only) && config.hsts env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload" end begin preferences = Preferences.from_json(env.request.cookies["PREFS"]?.try &.value || "{}") rescue preferences = Preferences.from_json("{}") end if env.request.cookies.has_key? "SID" sid = env.request.cookies["SID"].value if sid.starts_with? "v1:" raise "Cannot use token as SID" end # Invidious users only have SID if !env.request.cookies.has_key? "SSID" if email = PG_DB.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String) user = PG_DB.query_one("SELECT * FROM users WHERE email = $1", email, as: User) csrf_token = generate_response(sid, {":signout", ":watch_ajax", ":subscription_ajax", ":token_ajax", ":authorize_token"}, HMAC_KEY, PG_DB, 1.week) preferences = user.preferences env.set "sid", sid env.set "csrf_token", csrf_token env.set "user", user end else headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] begin user, sid = get_user(sid, headers, PG_DB, false) csrf_token = generate_response(sid, {":signout", ":watch_ajax", ":subscription_ajax", ":token_ajax", ":authorize_token"}, HMAC_KEY, PG_DB, 1.week) preferences = user.preferences env.set "sid", sid env.set "csrf_token", csrf_token env.set "user", user rescue ex end end end dark_mode = env.params.query["dark_mode"]? || preferences.dark_mode.to_s dark_mode = dark_mode == "true" thin_mode = env.params.query["thin_mode"]? || preferences.thin_mode.to_s thin_mode = thin_mode == "true" locale = env.params.query["hl"]? || preferences.locale preferences.dark_mode = dark_mode preferences.thin_mode = thin_mode preferences.locale = locale env.set "preferences", preferences 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" if user user = user.as(User) if user.preferences.redirect_feed next env.redirect "/feed/subscriptions" end end case config.default_home when "Popular" templated "popular" when "Top" templated "top" when "Trending" env.redirect "/feed/trending" when "Subscriptions" if user env.redirect "/feed/subscriptions" else templated "popular" end end end get "/privacy" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? templated "privacy" end get "/licenses" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? rendered "licenses" end # Videos get "/watch" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? region = env.params.query["region"]? 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" preferences = env.get("preferences").as(Preferences) user = env.get?("user").try &.as(User) if user subscriptions = user.subscriptions watched = user.watched 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, region: params.region) rescue ex : VideoRedirect next env.redirect "/watch?v=#{ex.message}" rescue ex error_message = ex.message logger.write("#{id} : #{ex.message}\n") next templated "error" end if preferences.annotations_subscribed && subscriptions.includes?(video.ucid) && (env.params.query["iv_load_policy"]? || "1") == "1" params.annotations = true end env.params.query.delete_all("iv_load_policy") if watched && !watched.includes? id PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.as(User).email) end if nojs if preferences source = preferences.comments[0] if source.empty? source = preferences.comments[1] end if source == "youtube" begin comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"] rescue ex if preferences.comments[1] == "reddit" comments, reddit_thread = fetch_reddit_comments(id) comment_html = template_reddit_comments(comments, locale) 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, locale) comment_html = fill_links(comment_html, "https", "www.reddit.com") comment_html = replace_links(comment_html) rescue ex if preferences.comments[1] == "youtube" comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"] end end end else comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"] end comment_html ||= "" end fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) if params.local fmt_stream.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path } adaptive_fmts.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path } end video_streams = video.video_streams(adaptive_fmts) audio_streams = video.audio_streams(adaptive_fmts) # Older videos may not have audio sources available. # We redirect here so they're not unplayable if params.listen && audio_streams.empty? next env.redirect "/watch?#{env.params.query}&listen=0" end 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(config, Kemal.config) host_params = env.request.query_params host_params.delete_all("v") if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]? hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s 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.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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? id = env.params.url["id"] plid = env.params.query["list"]? if md = env.params.query["playlist"]? .try &.match(/[a-zA-Z0-9_-]{11}(,[a-zA-Z0-9_-]{11})*/) video_series = md[0].split(",") env.params.query.delete("playlist") end preferences = env.get("preferences").as(Preferences) 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 # YouTube embed supports `videoseries` with either `list=PLID` # or `playlist=VIDEO_ID,VIDEO_ID` if id == "videoseries" url = "" if plid begin videos = fetch_playlist_videos(plid, 1, 1, locale: locale) rescue ex error_message = ex.message next templated "error" end url = "/embed/#{videos[0].id}" elsif video_series url = "/embed/#{video_series.shift}" env.params.query["playlist"] = video_series.join(",") else next env.redirect "/" end if env.params.query.size > 0 url += "?#{env.params.query}" end next env.redirect url elsif 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, preferences) user = env.get?("user").try &.as(User) if user subscriptions = user.subscriptions watched = user.watched end subscriptions ||= [] of String begin video = get_video(id, PG_DB, proxies, region: params.region) rescue ex : VideoRedirect next env.redirect "/embed/#{ex.message}" rescue ex error_message = ex.message next templated "error" end if preferences.annotations_subscribed && subscriptions.includes?(video.ucid) && (env.params.query["iv_load_policy"]? || "1") == "1" params.annotations = true end if watched && !watched.includes? id PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.as(User).email) end fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) if params.local fmt_stream.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path } adaptive_fmts.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path } end 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(config, Kemal.config) host_params = env.request.query_params host_params.delete_all("v") if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]? hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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, locale) rescue ex error_message = ex.message next templated "error" end begin videos = fetch_playlist_videos(plid, page, playlist.video_count, locale: locale) rescue ex videos = [] of PlaylistVideo end templated "playlist" end get "/mix" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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, locale: locale) rescue ex error_message = ex.message next templated "error" end templated "mix" end # Search get "/opensearch.xml" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/opensearchdescription+xml" host = make_host_url(config, Kemal.config) XML.build(indent: " ", encoding: "UTF-8") do |xml| xml.element("OpenSearchDescription", xmlns: "http://a9.com/-/spec/opensearch/1.1/") do xml.element("ShortName") { xml.text "Invidious" } xml.element("LongName") { xml.text "Invidious Search" } xml.element("Description") { xml.text "Search for videos, channels, and playlists on Invidious" } xml.element("InputEncoding") { xml.text "UTF-8" } xml.element("Image", width: 48, height: 48, type: "image/x-icon") { xml.text "#{host}/favicon.ico" } xml.element("Url", type: "text/html", method: "get", template: "#{host}/search?q={searchTerms}") end end end get "/results" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? region = env.params.query["region"]? query = env.params.query["search_query"]? query ||= env.params.query["q"]? query ||= "" if query.empty? next env.redirect "/" end 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)}" 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 = operator.split(":")[-1] 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" else operators.delete(operator) 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,length_seconds 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, proxies, region).as(Tuple) end templated "search" end # Users get "/login" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" if user next env.redirect "/feed/subscriptions" end if !config.login_enabled error_message = "Login has been disabled by administrator." next templated "error" end referer = get_referer(env, "/feed/subscriptions") email = nil password = nil captcha = nil account_type = env.params.query["type"]? account_type ||= "invidious" captcha_type = env.params.query["captcha"]? captcha_type ||= "image" tfa = env.params.query["tfa"]? tfa ||= false templated "login" end post "/login" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? referer = get_referer(env, "/feed/subscriptions") if !config.login_enabled error_message = "Login has been disabled by administrator." next templated "error" end email = env.params.body["email"]?.try &.downcase password = env.params.body["password"]? account_type = env.params.query["type"]? account_type ||= "invidious" case account_type when "google" tfa_code = env.params.body["tfa"]?.try &.lchop("G-") # See https://github.com/ytdl-org/youtube-dl/blob/2019.04.07/youtube_dl/extractor/youtube.py#L82 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, nil, [] of String, nil, "US", nil, nil, 2, false, true, {nil, nil, {2, 1, nil, 1, "https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount", nil, [] of String, 4, [] of String}, 1, {nil, nil, [] of String}, nil, nil, nil, true, }, email, }.to_json 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, nil, 1, nil, {1, nil, nil, nil, {password, nil, true}, }, {nil, nil, {2, 1, nil, 1, "https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount", nil, [] of String, 4, [] of String}, 1, {nil, nil, [] of String}, nil, nil, nil, true}, }.to_json 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 = translate(locale, "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 = {2, nil, nil, nil, {tfa[8]}}.to_json 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 = translate(locale, "Quota exceeded, try again in a few hours") next templated "error" end if !tfa_code account_type = "google" captcha_type = "image" tfa = true captcha = nil next templated "login" 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 = translate(locale, "Unable to log in, make sure two-factor authentication (Authenticator or SMS) is turned on.") 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 = translate(locale, "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 = login.cookies.add_request_headers(headers) cookies = HTTP::Cookies.from_headers(headers) sid = cookies["SID"].value user, sid = get_user(sid, headers, PG_DB) # We are now logged in host = URI.parse(env.request.headers["Host"]).host if Kemal.config.ssl || config.https_only secure = true else secure = false end cookies.each do |cookie| if Kemal.config.ssl || config.https_only cookie.secure = secure else cookie.secure = secure end if cookie.extension cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host) cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "") end env.response.cookies << cookie end if env.request.cookies["PREFS"]? preferences = env.get("preferences").as(Preferences) PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email) cookie = env.request.cookies["PREFS"] cookie.expires = Time.new(1990, 1, 1) env.response.cookies << cookie end env.redirect referer rescue ex error_message = translate(locale, "Login failed. This may be because two-factor authentication is not turned on for your account.") next templated "error" end when "invidious" if !email error_message = translate(locale, "User ID is a required field") next templated "error" end if !password error_message = translate(locale, "Password is a required field") next templated "error" end user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1", email, as: User) if user if !user.password error_message = translate(locale, "Please sign in using 'Log 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("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.now) if Kemal.config.ssl || config.https_only secure = true else secure = false end if config.domain env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) else env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) end else error_message = translate(locale, "Wrong username or password") next templated "error" end # Since this user has already registered, we don't want to overwrite their preferences if env.request.cookies["PREFS"]? cookie = env.request.cookies["PREFS"] cookie.expires = Time.new(1990, 1, 1) env.response.cookies << cookie end else if !config.registration_enabled error_message = "Registration has been disabled by administrator." next templated "error" end if config.captcha_enabled captcha_type = env.params.body["captcha_type"]? answer = env.params.body["answer"]? change_type = env.params.body["change_type"]? if !captcha_type || change_type if change_type captcha_type = change_type end captcha_type ||= "image" account_type = "invidious" tfa = false if captcha_type == "image" captcha = generate_captcha(HMAC_KEY, PG_DB) else captcha = generate_text_captcha(HMAC_KEY, PG_DB) end next templated "login" end tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }.map { |k, v| v } answer ||= "" captcha_type ||= "image" case captcha_type when "image" answer = answer.lstrip('0') answer = OpenSSL::HMAC.hexdigest(:sha256, HMAC_KEY, answer) begin validate_request(tokens[0], answer, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end when "text" answer = Digest::MD5.hexdigest(answer.downcase.strip) found_valid_captcha = false error_message = translate(locale, "Erroneous CAPTCHA") tokens.each_with_index do |token, i| begin validate_request(token, answer, env.request, HMAC_KEY, PG_DB, locale) found_valid_captcha = true rescue ex error_message = ex.message end end if !found_valid_captcha next templated "error" end end end if password.empty? error_message = translate(locale, "Password cannot be empty") next templated "error" end # See https://security.stackexchange.com/a/39851 if password.size > 55 error_message = translate(locale, "Password cannot be longer than 55 characters") next templated "error" end sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32)) user, sid = create_user(sid, email, password) user_array = user.to_a user_array[4] = user_array[4].to_json args = arg_array(user_array) PG_DB.exec("INSERT INTO users VALUES (#{args})", user_array) PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.now) view_name = "subscriptions_#{sha256(user.email)}" PG_DB.exec("CREATE MATERIALIZED VIEW #{view_name} AS \ SELECT * FROM channel_videos WHERE \ ucid = ANY ((SELECT subscriptions FROM users WHERE email = E'#{user.email.gsub("'", "\\'")}')::text[]) \ ORDER BY published DESC;") if Kemal.config.ssl || config.https_only secure = true else secure = false end if config.domain env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) else env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years, secure: secure, http_only: true) end if env.request.cookies["PREFS"]? preferences = env.get("preferences").as(Preferences) PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email) cookie = env.request.cookies["PREFS"] cookie.expires = Time.new(1990, 1, 1) env.response.cookies << cookie end end env.redirect referer else env.redirect referer end end post "/signout" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", sid) env.request.cookies.each do |cookie| cookie.expires = Time.new(1990, 1, 1) env.response.cookies << cookie end end env.redirect referer end get "/preferences" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? referer = get_referer(env) preferences = env.get("preferences").as(Preferences) templated "preferences" end post "/preferences" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? referer = get_referer(env) video_loop = env.params.body["video_loop"]?.try &.as(String) video_loop ||= "off" video_loop = video_loop == "on" annotations = env.params.body["annotations"]?.try &.as(String) annotations ||= "off" annotations = annotations == "on" annotations_subscribed = env.params.body["annotations_subscribed"]?.try &.as(String) annotations_subscribed ||= "off" annotations_subscribed = annotations_subscribed == "on" autoplay = env.params.body["autoplay"]?.try &.as(String) autoplay ||= "off" autoplay = autoplay == "on" continue = env.params.body["continue"]?.try &.as(String) continue ||= "off" continue = continue == "on" continue_autoplay = env.params.body["continue_autoplay"]?.try &.as(String) continue_autoplay ||= "off" continue_autoplay = continue_autoplay == "on" listen = env.params.body["listen"]?.try &.as(String) listen ||= "off" listen = listen == "on" local = env.params.body["local"]?.try &.as(String) local ||= "off" local = local == "on" speed = env.params.body["speed"]?.try &.as(String).to_f? speed ||= CONFIG.default_user_preferences.speed quality = env.params.body["quality"]?.try &.as(String) quality ||= CONFIG.default_user_preferences.quality volume = env.params.body["volume"]?.try &.as(String).to_i? volume ||= CONFIG.default_user_preferences.volume comments = [] of String 2.times do |i| comments << (env.params.body["comments[#{i}]"]?.try &.as(String) || CONFIG.default_user_preferences.comments[i]) end captions = [] of String 3.times do |i| captions << (env.params.body["captions[#{i}]"]?.try &.as(String) || CONFIG.default_user_preferences.captions[i]) end 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" locale = env.params.body["locale"]?.try &.as(String) locale ||= CONFIG.default_user_preferences.locale 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 ||= CONFIG.default_user_preferences.max_results sort = env.params.body["sort"]?.try &.as(String) sort ||= CONFIG.default_user_preferences.sort 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, "annotations" => annotations, "annotations_subscribed" => annotations_subscribed, "autoplay" => autoplay, "continue" => continue, "continue_autoplay" => continue_autoplay, "listen" => listen, "local" => local, "speed" => speed, "quality" => quality, "volume" => volume, "comments" => comments, "captions" => captions, "related_videos" => related_videos, "redirect_feed" => redirect_feed, "locale" => locale, "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 if user = env.get? "user" user = user.as(User) PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email) if config.admins.includes? user.email config.default_home = env.params.body["default_home"]?.try &.as(String) || config.default_home feed_menu = [] of String 4.times do |index| option = env.params.body["feed_menu[#{index}]"]?.try &.as(String) || "" if !option.empty? feed_menu << option end end config.feed_menu = feed_menu top_enabled = env.params.body["top_enabled"]?.try &.as(String) top_enabled ||= "off" config.top_enabled = top_enabled == "on" captcha_enabled = env.params.body["captcha_enabled"]?.try &.as(String) captcha_enabled ||= "off" config.captcha_enabled = captcha_enabled == "on" login_enabled = env.params.body["login_enabled"]?.try &.as(String) login_enabled ||= "off" config.login_enabled = login_enabled == "on" registration_enabled = env.params.body["registration_enabled"]?.try &.as(String) registration_enabled ||= "off" config.registration_enabled = registration_enabled == "on" statistics_enabled = env.params.body["statistics_enabled"]?.try &.as(String) statistics_enabled ||= "off" config.statistics_enabled = statistics_enabled == "on" File.write("config/config.yml", config.to_yaml) end else if Kemal.config.ssl || config.https_only secure = true else secure = false end if config.domain env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{config.domain}", value: preferences, expires: Time.now + 2.years, secure: secure, http_only: true) else env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.now + 2.years, secure: secure, http_only: true) end end env.redirect referer end get "/toggle_theme" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? referer = get_referer(env) redirect = env.params.query["redirect"]? redirect ||= "true" redirect = redirect == "true" if user = env.get? "user" user = user.as(User) preferences = user.preferences preferences.dark_mode = !preferences.dark_mode PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email) else preferences = env.get("preferences").as(Preferences) preferences.dark_mode = !preferences.dark_mode preferences = preferences.to_json if Kemal.config.ssl || config.https_only secure = true else secure = false end if config.domain env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{config.domain}", value: preferences, expires: Time.now + 2.years, secure: secure, http_only: true) else env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.now + 2.years, secure: secure, http_only: true) end end if redirect env.redirect referer else env.response.content_type = "application/json" "{}" end end post "/watch_ajax" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env, "/feed/subscriptions") redirect = env.params.query["redirect"]? redirect ||= "true" redirect = redirect == "true" if !user if redirect next env.redirect referer else error_message = {"error" => "No such user"}.to_json env.response.status_code = 403 next error_message end end user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? id = env.params.query["id"]? if !id env.response.status_code = 400 next end begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex if redirect error_message = ex.message env.response.status_code = 400 next templated "error" else error_message = {"error" => ex.message}.to_json env.response.status_code = 400 next error_message end end if env.params.query["action_mark_watched"]? action = "action_mark_watched" elsif env.params.query["action_mark_unwatched"]? action = "action_mark_unwatched" else next env.redirect referer end case action when "action_mark_watched" if !user.watched.includes? id PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.email) end when "action_mark_unwatched" PG_DB.exec("UPDATE users SET watched = array_remove(watched, $1) WHERE email = $2", id, user.email) end if redirect env.redirect referer else env.response.content_type = "application/json" "{}" end 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env, "/") redirect = env.params.query["redirect"]? redirect ||= "false" redirect = redirect == "true" if !user if redirect next env.redirect referer else error_message = {"error" => "No such user"}.to_json env.response.status_code = 403 next error_message end end user = user.as(User) if !user.password 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) html = client.get("/subscription_manager?disable_polymer=1", headers) cookies = HTTP::Cookies.from_headers(headers) html.cookies.each do |cookie| if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name if cookies[cookie.name]? cookies[cookie.name] = cookie else cookies << cookie end end end headers = cookies.add_request_headers(headers) match = html.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" channel_req["session_token"] = session_token subs = XML.parse_html(html.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, form: channel_req) end end if redirect env.redirect referer else env.response.content_type = "application/json" "{}" end end post "/subscription_ajax" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env, "/") redirect = env.params.query["redirect"]? redirect ||= "true" redirect = redirect == "true" if !user if redirect next env.redirect referer else error_message = {"error" => "No such user"}.to_json env.response.status_code = 403 next error_message end end user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex if redirect error_message = ex.message env.response.status_code = 400 next templated "error" else error_message = {"error" => ex.message}.to_json env.response.status_code = 400 next error_message end end 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 # Sync subscriptions with YouTube subscribe_ajax(channel_id, action, env.request.headers) end email = user.email case action when .starts_with? "action_create" if !user.subscriptions.includes? channel_id get_channel(channel_id, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", channel_id, email) end when .starts_with? "action_remove" PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE email = $2", channel_id, email) end payload = { "email" => user.email, "action" => "refresh", }.to_json PG_DB.exec("NOTIFY feeds, E'#{payload}'") if redirect env.redirect referer else env.response.content_type = "application/json" "{}" end end get "/subscription_manager" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" 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"] user, sid = get_user(sid, 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" if user.subscriptions.empty? values = "'{}'" else values = "VALUES #{user.subscriptions.map { |id| %(('#{id}')) }.join(",")}" end subscriptions = PG_DB.query_all("SELECT * FROM channels WHERE id = ANY(#{values})", as: InvidiousChannel) subscriptions.sort_by! { |channel| channel.author.downcase } if action_takeout host_url = make_host_url(config, Kemal.config) 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" referer = get_referer(env) if user user = user.as(User) spawn do # Since import can take a while, if we're not done after 20 seconds # push out content to prevent timeout. # Interesting to note is that Chrome will try to render before the content has finished loading, # which is why we include a loading icon. Firefox and its derivatives will not see this page, # instead redirecting immediately once the connection has closed. # https://stackoverflow.com/q/2091239 is helpful but not directly applicable here. sleep 20.seconds env.response.puts %() env.response.puts %() env.response.puts %() if env.get("preferences").as(Preferences).dark_mode env.response.puts %() else env.response.puts %() end env.response.puts %(

) env.response.flush loop do env.response.puts %() env.response.flush sleep (20 + rand(11)).seconds end end 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) if body["subscriptions"]? user.subscriptions += body["subscriptions"].as_a.map { |a| a.as_s } user.subscriptions.uniq! user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email) end if body["watch_history"]? user.watched += body["watch_history"].as_a.map { |a| a.as_s } user.watched.uniq! PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", user.watched, user.email) end if body["preferences"]? user.preferences = Preferences.from_json(body["preferences"].to_json) PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", user.preferences.to_json, user.email) end when "import_youtube" subscriptions = XML.parse(body) user.subscriptions += subscriptions.xpath_nodes(%q(//outline[@type="rss"])).map do |channel| channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0] end user.subscriptions.uniq! user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email) when "import_freetube" user.subscriptions += body.scan(/"channelId":"(?[a-zA-Z0-9_-]{24})"/).map do |md| md["channel_id"] end user.subscriptions.uniq! user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email) when "import_newpipe_subscriptions" body = JSON.parse(body) user.subscriptions += body["subscriptions"].as_a.compact_map do |channel| if match = channel["url"].as_s.match(/\/channel\/(?UC[a-zA-Z0-9_-]{22})/) next match["channel"] elsif match = channel["url"].as_s.match(/\/user\/(?.+)/) client = make_client(YT_URL) response = client.get("/user/#{match["user"]}?disable_polymer=1&hl=en&gl=US") document = XML.parse_html(response.body) canonical = document.xpath_node(%q(//link[@rel="canonical"])) if canonical ucid = canonical["href"].split("/")[-1] next ucid end end nil end user.subscriptions.uniq! user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email) when "import_newpipe" Zip::Reader.open(IO::Memory.new(body)) do |file| file.each_entry do |entry| if entry.filename == "newpipe.db" tempfile = File.tempfile(".db") File.write(tempfile.path, entry.io.gets_to_end) db = DB.open("sqlite3://" + tempfile.path) user.watched += db.query_all("SELECT url FROM streams", as: String).map { |url| url.lchop("https://www.youtube.com/watch?v=") } user.watched.uniq! PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", user.watched, user.email) user.subscriptions += db.query_all("SELECT url FROM subscriptions", as: String).map { |url| url.lchop("https://www.youtube.com/channel/") } user.subscriptions.uniq! user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email) db.close tempfile.delete end end end end end payload = { "email" => user.email, "action" => "refresh", }.to_json PG_DB.exec("NOTIFY feeds, E'#{payload}'") end env.redirect referer end get "/change_password" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) csrf_token = generate_response(sid, {":change_password"}, HMAC_KEY, PG_DB) templated "change_password" else env.redirect referer end end post "/change_password" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? # We don't store passwords for Google accounts if !user.password error_message = "Cannot change password for Google accounts" next templated "error" end begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end password = env.params.body["password"]? if !password error_message = translate(locale, "Password is a required field") next templated "error" end new_passwords = env.params.body.select { |k, v| k.match(/^new_password\[\d+\]$/) }.map { |k, v| v } if new_passwords.size <= 1 || new_passwords.uniq.size != 1 error_message = translate(locale, "New passwords must match") next templated "error" end new_password = new_passwords.uniq[0] if new_password.empty? error_message = translate(locale, "Password cannot be empty") next templated "error" end if new_password.size > 55 error_message = translate(locale, "Password cannot be longer than 55 characters") next templated "error" end if Crypto::Bcrypt::Password.new(user.password.not_nil!) != password error_message = translate(locale, "Incorrect password") next templated "error" end new_password = Crypto::Bcrypt::Password.create(new_password, cost: 10) PG_DB.exec("UPDATE users SET password = $1 WHERE email = $2", new_password.to_s, user.email) end env.redirect referer end get "/delete_account" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) csrf_token = generate_response(sid, {":delete_account"}, HMAC_KEY, PG_DB) templated "delete_account" else env.redirect referer end end post "/delete_account" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end view_name = "subscriptions_#{sha256(user.email)}" PG_DB.exec("DELETE FROM users * WHERE email = $1", user.email) PG_DB.exec("DELETE FROM session_ids * WHERE email = $1", user.email) PG_DB.exec("DROP MATERIALIZED VIEW #{view_name}") env.request.cookies.each do |cookie| cookie.expires = Time.new(1990, 1, 1) env.response.cookies << cookie end end env.redirect referer end get "/clear_watch_history" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) csrf_token = generate_response(sid, {":clear_watch_history"}, HMAC_KEY, PG_DB) templated "clear_watch_history" else env.redirect referer end end post "/clear_watch_history" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end PG_DB.exec("UPDATE users SET watched = '{}' WHERE email = $1", user.email) end env.redirect referer end get "/authorize_token" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) csrf_token = generate_response(sid, {":authorize_token"}, HMAC_KEY, PG_DB) scopes = env.params.query["scopes"]?.try &.split(",") scopes ||= [] of String callback_url = env.params.query["callback_url"]? if callback_url callback_url = URI.parse(callback_url) end expire = env.params.query["expire"]?.try &.to_i? templated "authorize_token" else env.redirect referer end end post "/authorize_token" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = env.get("user").as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex error_message = ex.message env.response.status_code = 400 next templated "error" end scopes = env.params.body.select { |k, v| k.match(/^scopes\[\d+\]$/) }.map { |k, v| v } callback_url = env.params.body["callbackUrl"]? expire = env.params.body["expire"]?.try &.to_i? access_token = generate_token(user.email, scopes, expire, HMAC_KEY, PG_DB) if callback_url access_token = URI.escape(access_token) url = URI.parse(callback_url) if url.query query = HTTP::Params.parse(url.query.not_nil!) else query = HTTP::Params.new end query["token"] = access_token url.query = query.to_s env.redirect url.to_s else csrf_token = "" env.set "access_token", access_token templated "authorize_token" end end end get "/token_manager" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env, "/subscription_manager") if !user next env.redirect referer end user = user.as(User) tokens = PG_DB.query_all("SELECT id, issued FROM session_ids WHERE email = $1 ORDER BY issued DESC", user.email, as: {session: String, issued: Time}) templated "token_manager" end post "/token_ajax" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) redirect = env.params.query["redirect"]? redirect ||= "true" redirect = redirect == "true" if !user if redirect next env.redirect referer else error_message = {"error" => "No such user"}.to_json env.response.status_code = 403 next error_message end end user = user.as(User) sid = sid.as(String) token = env.params.body["csrf_token"]? begin validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale) rescue ex if redirect error_message = ex.message next templated "error" else error_message = {"error" => ex.message}.to_json env.response.status_code = 400 next error_message end end if env.params.query["action_revoke_token"]? action = "action_revoke_token" else next env.redirect referer end session = env.params.query["session"]? session ||= "" case action when .starts_with? "action_revoke_token" PG_DB.exec("DELETE FROM session_ids * WHERE id = $1 AND email = $2", session, user.email) end if redirect env.redirect referer else env.response.content_type = "application/json" "{}" end end # Feeds get "/feed/top" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? if config.top_enabled templated "top" else env.redirect "/" end end get "/feed/popular" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? templated "popular" end get "/feed/trending" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? trending_type = env.params.query["type"]? trending_type ||= "Default" region = env.params.query["region"]? region ||= "US" begin trending, plid = fetch_trending(trending_type, proxies, region, locale) rescue ex error_message = "#{ex.message}" next templated "error" end templated "trending" end get "/feed/subscriptions" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" sid = env.get? "sid" referer = get_referer(env) if user user = user.as(User) sid = sid.as(String) preferences = user.preferences token = user.token if preferences.unseen_only env.set "show_watched", true end # Refresh account headers = HTTP::Headers.new headers["Cookie"] = env.request.headers["Cookie"] if !user.password user, sid = get_user(sid, 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)}" if preferences.notifications_only && !notifications.empty? # Only show notifications 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 # Show latest video from a channel that a user hasn't watched # "unseen_only" isn't really correct here, more accurate would be "unwatched_only" if user.watched.empty? values = "'{}'" else values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}" end videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \ NOT id = ANY (#{values}) \ ORDER BY ucid, published DESC", as: ChannelVideo) else # Show latest video from each channel 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 # Only show unwatched if user.watched.empty? values = "'{}'" else values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}" end videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \ NOT id = ANY (#{values}) \ ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo) else # Sort subscriptions as normal 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 "published - reverse" videos.sort_by! { |video| video.published } 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 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 # Clear user's notifications and set updated to the current time. # "updated" here is used for delivering new notifications, so if # we know a user has looked at their feed e.g. in the past 10 minutes, # they've already seen a video posted 20 minutes ago, and don't need # to be notified. PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE email = $3", [] of String, Time.now, user.email) user.notifications = [] of String env.set "user", user templated "subscriptions" else env.redirect referer end end get "/feed/history" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" referer = get_referer(env) page = env.params.query["page"]?.try &.to_i? page ||= 1 if user user = user.as(User) limit = user.preferences.max_results if user.watched[(page - 1) * limit]? watched = user.watched.reverse[(page - 1) * limit, limit] else watched = [] of String end templated "history" else env.redirect referer end end get "/feed/channel/:ucid" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/atom+xml" ucid = env.params.url["ucid"] begin author, ucid, auto_generated = get_about_info(ucid, locale) rescue ex error_message = ex.message env.response.status_code = 500 next error_message end client = make_client(YT_URL) rss = client.get("/feeds/videos.xml?channel_id=#{ucid}").body rss = XML.parse_html(rss) videos = [] of SearchVideo rss.xpath_nodes("//feed/entry").each do |entry| video_id = entry.xpath_node("videoid").not_nil!.content title = entry.xpath_node("title").not_nil!.content published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content) updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content) author = entry.xpath_node("author/name").not_nil!.content ucid = entry.xpath_node("channelid").not_nil!.content description = entry.xpath_node("group/description").not_nil!.content views = entry.xpath_node("group/community/statistics").not_nil!.["views"].to_i64 videos << SearchVideo.new( title: title, id: video_id, author: author, ucid: ucid, published: published, views: views, description: description, description_html: "", length_seconds: 0, live_now: false, paid: false, premium: false, premiere_timestamp: nil ) end host_url = make_host_url(config, Kemal.config) 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", "xml:lang": "en-US") 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("content", type: "xhtml") do xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg") end 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: "#{host_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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/atom+xml" token = env.params.query["token"]? if !token env.response.status_code = 403 next end user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User) if !user env.response.status_code = 403 next 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 sort = env.params.query["sort"]? sort ||= "published" view_name = "subscriptions_#{sha256(user.email)}" 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 case sort when "reverse_published" videos.sort_by! { |video| video.published } 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(config, Kemal.config) path = env.request.path query = env.request.query.not_nil! 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", "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 translate(locale, "Invidious Private Feed for `x`", 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("content", type: "xhtml") do xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg") end end 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: "#{host_url}/vi/#{video.id}/mqdefault.jpg", width: "320", height: "180") end end end end end feed end get "/feed/playlist/:plid" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/atom+xml" plid = env.params.url["plid"] host_url = make_host_url(config, Kemal.config) 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 document end get "/feeds/videos.xml" do |env| if ucid = env.params.query["channel_id"]? env.redirect "/feed/channel/#{ucid}" elsif user = env.params.query["user"]? env.redirect "/feed/channel/#{user}" elsif plid = env.params.query["playlist_id"]? env.redirect "/feed/playlist/#{plid}" end end # Support push notifications via PubSubHubbub get "/feed/webhook/:token" do |env| verify_token = env.params.url["token"] mode = env.params.query["hub.mode"] topic = env.params.query["hub.topic"] challenge = env.params.query["hub.challenge"] if verify_token.starts_with? "v1" _, time, nonce, signature = verify_token.split(":") data = "#{time}:#{nonce}" else time, signature = verify_token.split(":") data = "#{time}" end # The hub will sometimes check if we're still subscribed after delivery errors, # so we reply with a 200 as long as the request hasn't expired if Time.now.to_unix - time.to_i > 432000 env.response.status_code = 400 next end if OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, data) != signature env.response.status_code = 400 next end ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"] PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.now, ucid) env.response.status_code = 200 next challenge end post "/feed/webhook/:token" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? token = env.params.url["token"] body = env.request.body.not_nil!.gets_to_end signature = env.request.headers["X-Hub-Signature"].lchop("sha1=") if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body) logger.write("#{token} : Invalid signature\n") env.response.status_code = 200 next end spawn do rss = XML.parse_html(body) rss.xpath_nodes("//feed/entry").each do |entry| id = entry.xpath_node("videoid").not_nil!.content author = entry.xpath_node("author/name").not_nil!.content published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content) updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content) video = get_video(id, PG_DB, proxies, force_refresh: true) # Deliver notifications to `/api/v1/auth/notifications` payload = { "topic" => video.ucid, "videoId" => video.id, "published" => published.to_unix, }.to_json PG_DB.exec("NOTIFY notifications, E'#{payload}'") video = ChannelVideo.new( id: id, title: video.title, published: published, updated: updated, ucid: video.ucid, author: author, length_seconds: video.length_seconds, live_now: video.live_now, premiere_timestamp: video.premiere_timestamp, ) users = PG_DB.query_all("UPDATE users SET notifications = notifications || $1 \ WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications) RETURNING email", video.id, video.published, video.ucid, as: String) video_array = video.to_a args = arg_array(video_array) PG_DB.exec("INSERT INTO channel_videos VALUES (#{args}) \ ON CONFLICT (id) DO UPDATE SET title = $2, published = $3, \ updated = $4, ucid = $5, author = $6, length_seconds = $7, \ live_now = $8, premiere_timestamp = $9", video_array) users.each do |user| payload = { "email" => user, "action" => "refresh", }.to_json PG_DB.exec("NOTIFY feeds, E'#{payload}'") end end end env.response.status_code = 200 next end # Channels {"/channel/:ucid/live", "/user/:user/live", "/c/:user/live"}.each do |route| get route do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? client = make_client(YT_URL) # Appears to be a bug in routing, having several routes configured # as `/a/:a`, `/b/:a`, `/c/:a` results in 404 value = env.request.resource.split("/")[2] body = "" {"channel", "user", "c"}.each do |type| response = client.get("/#{type}/#{value}/live?disable_polymer=1") if response.status_code == 200 body = response.body end end video_id = body.match(/'VIDEO_ID': "(?[a-zA-Z0-9_-]{11})"/).try &.["id"]? if video_id params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{video_id}" if !params.empty? url += "&#{params}" end env.redirect url else env.redirect "/channel/#{value}" end end end # 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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 # Legacy endpoint for /user/:username get "/profile" do |env| user = env.params.query["user"]? if !user env.redirect "/" else env.redirect "/user/#{user}" end end # Page used by YouTube to provide captioning widget, since we # don't support it we redirect to '/' get "/timedtext_video" do |env| env.redirect "/" 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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 continuation = env.params.query["continuation"]? sort_by = env.params.query["sort_by"]?.try &.downcase begin author, ucid, auto_generated, sub_count = get_about_info(ucid, locale) rescue ex error_message = ex.message next templated "error" end if !auto_generated env.set "search", "channel:#{ucid} " end if auto_generated sort_options = {"last", "oldest", "newest"} sort_by ||= "last" items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by) items.uniq! do |item| if item.responds_to?(:title) item.title elsif item.responds_to?(:author) item.author end end items.select! { |item| item.responds_to?(:thumbnail_id) && item.thumbnail_id } items = items.map { |item| item.as(SearchPlaylist) } items.each { |item| item.author = "" } else sort_options = {"newest", "oldest", "popular"} sort_by ||= "newest" items, count = get_60_videos(ucid, page, auto_generated, sort_by) items.select! { |item| !item.paid } end templated "channel" end get "/channel/:ucid/videos" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? ucid = env.params.url["ucid"] params = env.request.query if !params || params.empty? params = "" else params = "?#{params}" end env.redirect "/channel/#{ucid}#{params}" end get "/channel/:ucid/playlists" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? user = env.get? "user" if user user = user.as(User) subscriptions = user.subscriptions end subscriptions ||= [] of String ucid = env.params.url["ucid"] continuation = env.params.query["continuation"]? sort_by = env.params.query["sort_by"]?.try &.downcase sort_by ||= "last" begin author, ucid, auto_generated, sub_count = get_about_info(ucid, locale) rescue ex error_message = ex.message next templated "error" end if auto_generated next env.redirect "/channel/#{ucid}" end items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by) items.select! { |item| item.is_a?(SearchPlaylist) && !item.videos.empty? } items = items.map { |item| item.as(SearchPlaylist) } items.each { |item| item.author = "" } templated "playlists" end # API Endpoints get "/api/v1/stats" do |env| env.response.content_type = "application/json" if !config.statistics_enabled error_message = {"error" => "Statistics are not enabled."}.to_json env.response.status_code = 400 next error_message end if statistics["error"]? env.response.status_code = 500 next statistics.to_json end statistics.to_json end # YouTube provides "storyboards", which are sprites containing x * y # preview thumbnails for individual scenes in a video. # See https://support.jwplayer.com/articles/how-to-add-preview-thumbnails get "/api/v1/storyboards/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" id = env.params.url["id"] region = env.params.query["region"]? client = make_client(YT_URL) begin video = get_video(id, PG_DB, proxies, region: region) rescue ex : VideoRedirect next env.redirect "/api/v1/storyboards/#{ex.message}" rescue ex env.response.status_code = 500 next end storyboards = video.storyboards width = env.params.query["width"]? height = env.params.query["height"]? if !width && !height response = JSON.build do |json| json.object do json.field "storyboards" do generate_storyboards(json, id, storyboards, config, Kemal.config) end end end next response end env.response.content_type = "text/vtt" storyboard = storyboards.select { |storyboard| width == "#{storyboard[:width]}" || height == "#{storyboard[:height]}" } if storyboard.empty? env.response.status_code = 404 next else storyboard = storyboard[0] end webvtt = <<-END_VTT WEBVTT END_VTT start_time = 0.milliseconds end_time = storyboard[:interval].milliseconds storyboard[:storyboard_count].times do |i| host_url = make_host_url(config, Kemal.config) url = storyboard[:url].gsub("$M", i).gsub("https://i9.ytimg.com", host_url) storyboard[:storyboard_height].times do |j| storyboard[:storyboard_width].times do |k| webvtt += <<-END_CUE #{start_time}.000 --> #{end_time}.000 #{url}#xywh=#{storyboard[:width] * k},#{storyboard[:height] * j},#{storyboard[:width]},#{storyboard[:height]} END_CUE start_time += storyboard[:interval].milliseconds end_time += storyboard[:interval].milliseconds end end end webvtt end get "/api/v1/captions/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" id = env.params.url["id"] region = env.params.query["region"]? # See https://github.com/ytdl-org/youtube-dl/blob/6ab30ff50bf6bd0585927cb73c7421bef184f87a/youtube_dl/extractor/youtube.py#L1354 # It is possible to use `/api/timedtext?type=list&v=#{id}` and # `/api/timedtext?type=track&v=#{id}&lang=#{lang_code}` directly, # but this does not provide links for auto-generated captions. # # In future this should be investigated as an alternative, since it does not require # getting video info. client = make_client(YT_URL) begin video = get_video(id, PG_DB, proxies, region: region) rescue ex : VideoRedirect next env.redirect "/api/v1/captions/#{ex.message}" rescue ex env.response.status_code = 500 next 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; charset=UTF-8" caption = captions.select { |caption| caption.name.simpleText == label } if lang caption = captions.select { |caption| caption.languageCode == lang } end if caption.empty? env.response.status_code = 404 next else caption = caption[0] end url = caption.baseUrl + "&tlang=#{tlang}" # Auto-generated captions often have cues that aren't aligned properly with the video, # as well as some other markup that makes it cumbersome, so we try to fix that here if caption.name.simpleText.includes? "auto-generated" caption_xml = client.get(url).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 += <<-END_CUE #{start_time} --> #{end_time} #{text} END_CUE end else url += "&format=vtt" webvtt = client.get(url).body end if title = env.params.query["title"]? # https://blog.fastmail.com/2011/06/24/download-non-english-filenames/ env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}" end webvtt end get "/api/v1/comments/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? region = env.params.query["region"]? env.response.content_type = "application/json" id = env.params.url["id"] source = env.params.query["source"]? source ||= "youtube" thin_mode = env.params.query["thin_mode"]? thin_mode = thin_mode == "true" format = env.params.query["format"]? format ||= "json" continuation = env.params.query["continuation"]? sort_by = env.params.query["sort_by"]?.try &.downcase if source == "youtube" sort_by ||= "top" begin comments = fetch_youtube_comments(id, PG_DB, continuation, proxies, format, locale, thin_mode, region, sort_by: sort_by) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end next comments elsif source == "reddit" sort_by ||= "confidence" begin comments, reddit_thread = fetch_reddit_comments(id, sort_by: sort_by) content_html = template_reddit_comments(comments, locale) 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 env.response.status_code = 404 next 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 response = { "title" => reddit_thread.title, "permalink" => reddit_thread.permalink, "contentHtml" => content_html, } next response.to_json end end end get "/api/v1/insights/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? id = env.params.url["id"] env.response.content_type = "application/json" error_message = {"error" => "YouTube has removed publicly-available analytics."}.to_json env.response.status_code = 410 next error_message 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) response = { "viewCount" => view_count, "timeWatchedText" => time_watched, "subscriptionsDriven" => subscriptions_driven, "shares" => shares, "avgViewDurationSeconds" => avg_view_duration_seconds, "graphData" => graph_data, } next response.to_json end get "/api/v1/annotations/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "text/xml" id = env.params.url["id"] source = env.params.query["source"]? source ||= "archive" if !id.match(/[a-zA-Z0-9_-]{11}/) env.response.status_code = 400 next end annotations = "" case source when "archive" if CONFIG.cache_annotations && (cached_annotation = PG_DB.query_one?("SELECT * FROM annotations WHERE id = $1", id, as: Annotation)) annotations = cached_annotation.annotations else index = CHARS_SAFE.index(id[0]).not_nil!.to_s.rjust(2, '0') # IA doesn't handle leading hyphens, # so we use https://archive.org/details/youtubeannotations_64 if index == "62" index = "64" id = id.sub(/^-/, 'A') end file = URI.escape("#{id[0, 3]}/#{id}.xml") client = make_client(ARCHIVE_URL) location = client.get("/download/youtubeannotations_#{index}/#{id[0, 2]}.tar/#{file}") if !location.headers["Location"]? env.response.status_code = location.status_code end response = make_client(URI.parse(location.headers["Location"])).get(location.headers["Location"]) if response.body.empty? env.response.status_code = 404 next end if response.status_code != 200 env.response.status_code = response.status_code next end annotations = response.body cache_annotation(PG_DB, id, annotations) end when "youtube" client = make_client(YT_URL) response = client.get("/annotations_invideo?video_id=#{id}") if response.status_code != 200 env.response.status_code = response.status_code next end annotations = response.body end annotations end get "/api/v1/videos/:id" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" id = env.params.url["id"] region = env.params.query["region"]? begin video = get_video(id, PG_DB, proxies, region: region) rescue ex : VideoRedirect next env.redirect "/api/v1/videos/#{ex.message}" rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end video.to_json(locale, config, Kemal.config, decrypt_function) end get "/api/v1/trending" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" region = env.params.query["region"]? trending_type = env.params.query["type"]? begin trending, plid = fetch_trending(trending_type, proxies, region, locale) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end videos = JSON.build do |json| json.array do trending.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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(video.published, locale)) json.field "description", video.description json.field "descriptionHtml", video.description_html json.field "liveNow", video.live_now json.field "paid", video.paid json.field "premium", video.premium end end end end videos end get "/api/v1/popular" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" JSON.build do |json| json.array do popular_videos.each do |video| video.to_json(locale, config, Kemal.config, json) end end end end get "/api/v1/top" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" if !config.top_enabled error_message = {"error" => "Administrator has disabled this endpoint."}.to_json env.response.status_code = 400 next error_message end 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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(video.published, locale)) 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 videos end get "/api/v1/channels/:ucid" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" ucid = env.params.url["ucid"] sort_by = env.params.query["sort_by"]?.try &.downcase sort_by ||= "newest" begin author, ucid, auto_generated = get_about_info(ucid, locale) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end page = 1 if auto_generated videos = [] of SearchVideo count = 0 else begin videos, count = get_60_videos(ucid, page, auto_generated, sort_by) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end end 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(",") related_channels = channel_html.xpath_nodes(%q(//div[contains(@class, "branded-page-related-channels")]/ul/li)) related_channels = related_channels.map do |node| related_id = node["data-external-id"]? related_id ||= "" anchor = node.xpath_node(%q(.//h3[contains(@class, "yt-lockup-title")]/a)) related_title = anchor.try &.["title"] related_title ||= "" related_author_url = anchor.try &.["href"] related_author_url ||= "" related_author_thumbnail = node.xpath_node(%q(.//img)).try &.["data-thumb"] related_author_thumbnail ||= "" { id: related_id, author: related_title, author_url: related_author_url, author_thumbnail: related_author_thumbnail, } end 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.gsub(/\D/, "").to_i64 when .includes? "subscribers" sub_count = item.content.delete("subscribers").gsub(/\D/, "").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 "autoGenerated", auto_generated 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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(video.published, locale)) 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 json.field "relatedChannels" do json.array do related_channels.each do |related_channel| json.object do json.field "author", related_channel[:author] json.field "authorId", related_channel[:id] json.field "authorUrl", related_channel[:author_url] json.field "authorThumbnails" do json.array do qualities = {32, 48, 76, 100, 176, 512} qualities.each do |quality| json.object do json.field "url", related_channel[:author_thumbnail].gsub("=s48-", "=s#{quality}-") json.field "width", quality json.field "height", quality end end end end 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" ucid = env.params.url["ucid"] page = env.params.query["page"]?.try &.to_i? page ||= 1 sort_by = env.params.query["sort"]?.try &.downcase sort_by ||= env.params.query["sort_by"]?.try &.downcase sort_by ||= "newest" begin author, ucid, auto_generated = get_about_info(ucid, locale) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end begin videos, count = get_60_videos(ucid, page, auto_generated, sort_by) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end 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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(video.published, locale)) 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 {"/api/v1/channels/:ucid/latest", "/api/v1/channels/latest/:ucid"}.each do |route| get route do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" ucid = env.params.url["ucid"] begin videos = get_latest_videos(ucid) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end JSON.build do |json| json.array do videos.each do |video| json.object do json.field "title", video.title json.field "videoId", video.id json.field "authorId", ucid json.field "authorUrl", "/channel/#{ucid}" json.field "videoThumbnails" do generate_thumbnails(json, video.id, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(video.published, locale)) 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 {"/api/v1/channels/:ucid/playlists", "/api/v1/channels/playlists/:ucid"}.each do |route| get route do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" ucid = env.params.url["ucid"] continuation = env.params.query["continuation"]? sort_by = env.params.query["sort"]?.try &.downcase sort_by ||= env.params.query["sort_by"]?.try &.downcase sort_by ||= "last" begin author, ucid, auto_generated = get_about_info(ucid, locale) rescue ex error_message = {"error" => ex.message}.to_json env.response.status_code = 500 next error_message end items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by) response = JSON.build do |json| json.object do json.field "playlists" do json.array do items.each do |item| json.object do if item.is_a?(SearchPlaylist) 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, config, Kemal.config) end end end end end end end end end end json.field "continuation", continuation end end response end end get "/api/v1/channels/search/:ucid" do |env| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(item.published, locale)) 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, config, Kemal.config) 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? region = env.params.query["region"]? 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["duration"]?.try &.downcase duration ||= "" features = env.params.query["features"]?.try &.split(",").map { |feature| feature.downcase } features ||= [] of String 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, proxies, region).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, config, Kemal.config) 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", translate(locale, "`x` ago", recode_date(item.published, locale)) 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, config, Kemal.config) 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? 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, locale) rescue ex error_message = {"error" => "Playlist is empty"}.to_json env.response.status_code = 500 next error_message end begin videos = fetch_playlist_videos(plid, page, playlist.video_count, continuation, locale) 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, config, Kemal.config) 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| locale = LOCALES[env.get("preferences").as(Preferences).locale]? env.response.content_type = "application/json" rdid = env.params.url["rdid"] continuation = env.params.query["continuation"]? continuation ||= rdid.lchop("RD")[0, 11] format = env.params.query["format"]? format ||= "json" begin mix = fetch_mix(rdid, continuation, locale: locale) 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 env.response.status_code = 500 next 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, config, Kemal.config) 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/v1/auth/notifications" do |env| topics = env.params.query["topics"]?.try &.split(",").uniq.first(1000) topics ||= [] of String create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics) end post "/api/v1/auth/notifications" do |env| topics = env.params.body["topics"]?.try &.split(",").uniq.first(1000) topics ||= [] of String create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics) end get "/api/v1/auth/preferences" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) user.preferences.to_json end post "/api/v1/auth/preferences" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) begin preferences = Preferences.from_json(env.request.body || "{}") rescue preferences = user.preferences end PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email) env.response.status_code = 204 "" end get "/api/v1/auth/subscriptions" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) if user.subscriptions.empty? values = "'{}'" else values = "VALUES #{user.subscriptions.map { |id| %(('#{id}')) }.join(",")}" end subscriptions = PG_DB.query_all("SELECT * FROM channels WHERE id = ANY(#{values})", as: InvidiousChannel) JSON.build do |json| json.array do subscriptions.each do |subscription| json.object do json.field "author", subscription.author json.field "authorId", subscription.id end end end end end post "/api/v1/auth/subscriptions/:ucid" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) ucid = env.params.url["ucid"] if !user.subscriptions.includes? ucid get_channel(ucid, PG_DB, false, false) PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email) payload = { "email" => user.email, "action" => "refresh", }.to_json PG_DB.exec("NOTIFY feeds, E'#{payload}'") end # For Google accounts, access tokens don't have enough information to # make a request on the user's behalf, which is why we don't sync with # YouTube. env.response.status_code = 204 "" end delete "/api/v1/auth/subscriptions/:ucid" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) ucid = env.params.url["ucid"] PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE email = $2", ucid, user.email) payload = { "email" => user.email, "action" => "refresh", }.to_json PG_DB.exec("NOTIFY feeds, E'#{payload}'") env.response.status_code = 204 "" end get "/api/v1/auth/tokens" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) scopes = env.get("scopes").as(Array(String)) tokens = PG_DB.query_all("SELECT id, issued FROM session_ids WHERE email = $1", user.email, as: {session: String, issued: Time}) JSON.build do |json| json.array do tokens.each do |token| json.object do json.field "session", token[:session] json.field "issued", token[:issued].to_unix end end end end end post "/api/v1/auth/tokens/register" do |env| user = env.get("user").as(User) locale = LOCALES[env.get("preferences").as(Preferences).locale]? case env.request.headers["Content-Type"]? when "application/x-www-form-urlencoded" scopes = env.params.body.select { |k, v| k.match(/^scopes\[\d+\]$/) }.map { |k, v| v } callback_url = env.params.body["callbackUrl"]? expire = env.params.body["expire"]?.try &.to_i? when "application/json" scopes = env.params.json["scopes"].as(Array).map { |v| v.as_s } callback_url = env.params.json["callbackUrl"]?.try &.as(String) expire = env.params.json["expire"]?.try &.as(Int64) else error_message = {"error" => "Invalid or missing header 'Content-Type'"}.to_json env.response.status_code = 400 next error_message end if callback_url && callback_url.empty? callback_url = nil end if callback_url callback_url = URI.parse(callback_url) end if sid = env.get?("sid").try &.as(String) env.response.content_type = "text/html" csrf_token = generate_response(sid, {":authorize_token"}, HMAC_KEY, PG_DB, use_nonce: true) next templated "authorize_token" else env.response.content_type = "application/json" superset_scopes = env.get("scopes").as(Array(String)) authorized_scopes = [] of String scopes.each do |scope| if scopes_include_scope(superset_scopes, scope) authorized_scopes << scope end end access_token = generate_token(user.email, authorized_scopes, expire, HMAC_KEY, PG_DB) if callback_url access_token = URI.escape(access_token) if query = callback_url.query query = HTTP::Params.parse(query.not_nil!) else query = HTTP::Params.new end query["token"] = access_token callback_url.query = query.to_s env.redirect callback_url.to_s else access_token end end end post "/api/v1/auth/tokens/unregister" do |env| env.response.content_type = "application/json" user = env.get("user").as(User) scopes = env.get("scopes").as(Array(String)) session = env.params.json["session"]?.try &.as(String) session ||= env.get("session").as(String) # Allow tokens to revoke other tokens with correct scope if session == env.get("session").as(String) PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", session) elsif scopes_include_scope(scopes, "GET:tokens") PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", session) else error_message = {"error" => "Cannot revoke session #{session}"}.to_json env.response.status_code = 400 next error_message end env.response.status_code = 204 "" end get "/api/manifest/dash/id/videoplayback" do |env| env.response.headers.delete("Content-Type") 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.delete("Content-Type") 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"] region = env.params.query["region"]? client = make_client(YT_URL) begin video = get_video(id, PG_DB, proxies, region: region) rescue ex : VideoRedirect url = "/api/manifest/dash/id/#{ex.message}" if local url += "?local=true" end next env.redirect url rescue ex env.response.status_code = 403 next end if dashmpd = video.player_response["streamingData"]?.try &.["dashManifestUrl"]?.try &.as_s manifest = client.get(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 audio_streams = video.audio_streams(adaptive_fmts) video_streams = video.video_streams(adaptive_fmts) 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 i = 0 {"audio/mp4", "audio/webm"}.each do |mime_type| xml.element("AdaptationSet", id: i, mimeType: mime_type, startWithSAP: 1, subsegmentAlignment: true) do audio_streams.select { |stream| stream["type"].starts_with? mime_type }.each do |fmt| codecs = fmt["type"].split("codecs=")[1].strip('"') 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 i += 1 end {"video/mp4", "video/webm"}.each do |mime_type| xml.element("AdaptationSet", id: i, mimeType: mime_type, startWithSAP: 1, subsegmentAlignment: true, scanType: "progressive") do video_streams.select { |stream| stream["type"].starts_with? mime_type }.each do |fmt| codecs = fmt["type"].split("codecs=")[1].strip('"') bandwidth = fmt["bitrate"] itag = fmt["itag"] url = fmt["url"] width, height = 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 i += 1 end end end end end get "/api/manifest/hls_variant/*" do |env| client = make_client(YT_URL) manifest = client.get(env.request.path) if manifest.status_code != 200 env.response.status_code = manifest.status_code next end local = env.params.query["local"]?.try &.== "true" env.response.content_type = "application/x-mpegURL" env.response.headers.add("Access-Control-Allow-Origin", "*") host_url = make_host_url(config, Kemal.config) manifest = manifest.body if local manifest = manifest.gsub("https://www.youtube.com", host_url) manifest = manifest.gsub("index.m3u8", "index.m3u8?local=true") end manifest end get "/api/manifest/hls_playlist/*" do |env| client = make_client(YT_URL) manifest = client.get(env.request.path) if manifest.status_code != 200 env.response.status_code = manifest.status_code next end local = env.params.query["local"]?.try &.== "true" env.response.content_type = "application/x-mpegURL" env.response.headers.add("Access-Control-Allow-Origin", "*") host_url = make_host_url(config, Kemal.config) manifest = manifest.body if local manifest = manifest.gsub("https://www.youtube.com", host_url) manifest = manifest.gsub(/https:\/\/r\d---.{11}\.c\.youtube\.com/, host_url) manifest = manifest.gsub("seg.ts", "seg.ts?local=true") end fvip = manifest.match(/hls_chunk_host\/r(?\d+)---/).not_nil!["fvip"] manifest = manifest.gsub("seg.ts", "seg.ts/fvip/#{fvip}") manifest end # YouTube /videoplayback links expire after 6 hours, # so we have a mechanism here to redirect to the latest version get "/latest_version" do |env| if env.params.query["download_widget"]? download_widget = JSON.parse(env.params.query["download_widget"]) id = download_widget["id"].as_s title = download_widget["title"].as_s if label = download_widget["label"]? env.redirect "/api/v1/captions/#{id}?label=#{label}&title=#{title}" next else itag = download_widget["itag"].as_s local = "true" end end id ||= env.params.query["id"]? itag ||= env.params.query["itag"]? region = env.params.query["region"]? local ||= env.params.query["local"]? local ||= "false" local = local == "true" if !id || !itag env.response.status_code = 400 next end video = get_video(id, PG_DB, proxies, region: region) fmt_stream = video.fmt_stream(decrypt_function) adaptive_fmts = video.adaptive_fmts(decrypt_function) urls = (fmt_stream + adaptive_fmts).select { |fmt| fmt["itag"] == itag } if urls.empty? env.response.status_code = 404 next elsif urls.size > 1 env.response.status_code = 409 next end url = urls[0]["url"] if local url = URI.parse(url).full_path.not_nil! end if title url += "&title=#{title}" end env.redirect url end options "/videoplayback" do |env| env.response.headers.delete("Content-Type") 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.delete("Content-Type") 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.delete("Content-Type") 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.delete("Content-Type") 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"]? || "3" mns = query_params["mn"].split(",") if query_params["region"]? region = query_params["region"] query_params.delete("region") end if query_params["host"]? && !query_params["host"].empty? host = "https://#{query_params["host"]}" query_params.delete("host") else host = "https://r#{fvip}---#{mns.pop}.googlevideo.com" end url = "/videoplayback?#{query_params.to_s}" headers = HTTP::Headers.new {"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header| if env.request.headers[header]? headers[header] = env.request.headers[header] end end response = HTTP::Client::Response.new(403) 5.times do begin client = make_client(URI.parse(host), proxies, region) response = client.head(url, headers) break rescue Socket::Addrinfo::Error if !mns.empty? mn = mns.pop end fvip = "3" host = "https://r#{fvip}---#{mn}.googlevideo.com" rescue ex end end if response.headers["Location"]? url = URI.parse(response.headers["Location"]) host = url.host env.response.headers["Access-Control-Allow-Origin"] = "*" url = url.full_path url += "&host=#{host}" if region url += "®ion=#{region}" end next env.redirect url end if response.status_code >= 400 env.response.status_code = response.status_code next end client = make_client(URI.parse(host), proxies, region) begin client.get(url, headers) do |response| env.response.status_code = response.status_code response.headers.each do |key, value| if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key env.response.headers[key] = value end end env.response.headers["Access-Control-Allow-Origin"] = "*" if response.headers["Location"]? url = URI.parse(response.headers["Location"]) host = url.host url = url.full_path url += "&host=#{host}" if region url += "®ion=#{region}" end next env.redirect url end if title = query_params["title"]? # https://blog.fastmail.com/2011/06/24/download-non-english-filenames/ env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}" end proxy_file(response, env) end rescue ex end end # We need this so the below route works as expected 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 = HTTP::Headers.new {"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header| if env.request.headers[header]? headers[header] = env.request.headers[header] end end begin client.get(url, headers) do |response| response.headers.each do |key, value| if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key env.response.headers[key] = value end end if response.status_code == 304 break end env.response.headers["Access-Control-Allow-Origin"] = "*" proxy_file(response, env) end rescue ex end end options "/sb/:id/:storyboard/:index" do |env| env.response.headers.delete("Content-Type") 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 "/sb/:id/:storyboard/:index" do |env| id = env.params.url["id"] storyboard = env.params.url["storyboard"] index = env.params.url["index"] if storyboard.starts_with? "storyboard_live" host = "https://i.ytimg.com" else host = "https://i9.ytimg.com" end client = make_client(URI.parse(host)) url = "/sb/#{id}/#{storyboard}/#{index}?#{env.params.query}" headers = HTTP::Headers.new {"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header| if env.request.headers[header]? headers[header] = env.request.headers[header] end end begin client.get(url, headers) do |response| env.response.status_code = response.status_code response.headers.each do |key, value| if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key env.response.headers[key] = value end end if response.status_code >= 400 break end env.response.headers["Access-Control-Allow-Origin"] = "*" proxy_file(response, env) end rescue ex 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" build_thumbnails(id, config, Kemal.config).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 = HTTP::Headers.new {"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header| if env.request.headers[header]? headers[header] = env.request.headers[header] end end begin client.get(url, headers) do |response| env.response.status_code = response.status_code response.headers.each do |key, value| if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key env.response.headers[key] = value end end if response.status_code == 304 break end env.response.headers["Access-Control-Allow-Origin"] = "*" proxy_file(response, env) end rescue ex end end # Undocumented, creates anonymous playlist with specified 'video_ids' get "/watch_videos" do |env| client = make_client(YT_URL) response = client.get("#{env.request.path}?#{env.request.query}") if url = response.headers["Location"]? url = URI.parse(url).full_path next env.redirect url end env.response.status_code = response.status_code end error 404 do |env| if md = env.request.path.match(/^\/(?([a-zA-Z0-9_-]{11})|(\w+))$/) item = md["id"] # Check if item is branding URL e.g. https://youtube.com/gaming client = make_client(YT_URL) response = client.get("/#{item}") if response.status_code == 301 response = client.get(response.headers["Location"]) end html = XML.parse_html(response.body) ucid = html.xpath_node(%q(//meta[@itemprop="channelId"])) if ucid env.response.headers["Location"] = "/channel/#{ucid["content"]}" halt env, status_code: 302 end params = [] of String env.params.query.each do |k, v| params << "#{k}=#{v}" end params = params.join("&") url = "/watch?v=#{item}" if !params.empty? url += "&#{params}" end # Check if item is video ID client = make_client(YT_URL) if item.match(/^[a-zA-Z0-9_-]{11}$/) && client.head("/watch?v=#{item}").status_code != 404 env.response.headers["Location"] = url halt env, status_code: 302 end end env.response.headers["Location"] = "/" halt env, status_code: 302 end error 500 do |env| error_message = <<-END_HTML Looks like you've found a bug in Invidious. Feel free to open a new issue here or send an email to omarroth@protonmail.com. END_HTML templated "error" end # Add redirect if SSL is enabled if Kemal.config.ssl spawn do server = HTTP::Server.new do |env| redirect_url = "https://#{env.request.host}#{env.request.path}" if env.request.query redirect_url += "?#{env.request.query}" end if config.hsts env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload" end env.response.headers["Location"] = redirect_url env.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=2629800") end public_folder "assets" Kemal.config.powered_by_header = false add_handler FilteredCompressHandler.new add_handler APIHandler.new add_handler AuthHandler.new add_handler DenyFrame.new add_context_storage_type(Array(String)) add_context_storage_type(Preferences) add_context_storage_type(User) Kemal.config.logger = logger Kemal.run