invidious/src/invidious.cr

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# "Invidious" (which is what YouTube should be)
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# Copyright (C) 2018 Omar Roth
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
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require "crypto/bcrypt/password"
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require "detect_language"
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require "kemal"
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require "openssl/hmac"
require "option_parser"
require "pg"
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require "xml"
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require "yaml"
require "zip"
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require "./invidious/helpers/*"
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require "./invidious/*"
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CONFIG = Config.from_yaml(File.read("config/config.yml"))
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HMAC_KEY = CONFIG.hmac_key || Random::Secure.random_bytes(32)
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crawl_threads = CONFIG.crawl_threads
channel_threads = CONFIG.channel_threads
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video_threads = CONFIG.video_threads
Kemal.config.extra_options do |parser|
parser.banner = "Usage: invidious [arguments]"
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parser.on("-t THREADS", "--crawl-threads=THREADS", "Number of threads for crawling (default: #{crawl_threads})") do |number|
begin
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crawl_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{channel_threads})") do |number|
begin
channel_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
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parser.on("-v THREADS", "--video-threads=THREADS", "Number of threads for refreshing videos (default: #{video_threads})") do |number|
begin
video_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
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end
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end
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end
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Kemal::CLI.new
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PG_URL = URI.new(
scheme: "postgres",
user: CONFIG.db[:user],
password: CONFIG.db[:password],
host: CONFIG.db[:host],
port: CONFIG.db[:port],
path: CONFIG.db[:dbname],
)
PG_DB = DB.open PG_URL
YT_URL = URI.parse("https://www.youtube.com")
REDDIT_URL = URI.parse("https://www.reddit.com")
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LOGIN_URL = URI.parse("https://accounts.google.com")
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crawl_threads.times do
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spawn do
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crawl_videos(PG_DB)
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end
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end
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refresh_channels(PG_DB, channel_threads, CONFIG.full_refresh)
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video_threads.times do |i|
spawn do
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refresh_videos(PG_DB)
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end
end
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top_videos = [] of Video
spawn do
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pull_top_videos(CONFIG, PG_DB) do |videos|
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top_videos = videos
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end
end
decrypt_function = [] of {name: String, value: Int32}
spawn do
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update_decrypt_function do |function|
decrypt_function = function
end
end
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before_all do |env|
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if env.request.cookies.has_key? "SID"
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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sid = env.request.cookies["SID"].value
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# Invidious users only have SID
if !env.request.cookies.has_key? "SSID"
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user = PG_DB.query_one?("SELECT * FROM users WHERE $1 = ANY(id)", sid, as: User)
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if user
env.set "user", user
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env.set "sid", sid
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end
else
begin
client = make_client(YT_URL)
user = get_user(sid, client, headers, PG_DB, false)
env.set "user", user
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env.set "sid", sid
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rescue ex
end
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end
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end
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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)
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end
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get "/" do |env|
user = env.get? "user"
if user
user = user.as(User)
if user.preferences.redirect_feed
env.redirect "/feed/subscriptions"
end
end
templated "index"
end
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# Videos
get "/:id" do |env|
id = env.params.url["id"]
if md = id.match(/[a-zA-Z0-9_-]{11}/)
params = [] of String
env.params.query.each do |k, v|
params << "#{k}=#{v}"
end
params = params.join("&")
url = "/watch?v=#{id}"
if !params.empty?
url += "&#{params}"
end
env.redirect url
else
env.response.status_code = 404
end
end
get "/watch" do |env|
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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
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if env.params.query["v"]?
id = env.params.query["v"]
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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
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end
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else
next env.redirect "/"
end
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user = env.get? "user"
if user
user = user.as(User)
if !user.watched.includes? id
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PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE id = $2", [id], user.id)
end
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preferences = user.preferences
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subscriptions = user.subscriptions
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end
subscriptions ||= [] of String
autoplay, video_loop, video_start, video_end, listen, raw, quality, controls = process_video_params(env.params.query, preferences)
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if listen
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env.params.query.delete_all("listen")
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end
begin
video = get_video(id, PG_DB)
rescue ex
error_message = ex.message
STDOUT << id << " : " << ex.message << "\n"
next templated "error"
end
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fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
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video_streams = video.video_streams(adaptive_fmts)
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audio_streams = video.audio_streams(adaptive_fmts)
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captions = video.captions
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if preferences
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preferred_captions = captions.select { |caption| preferences.captions.includes? caption.name.simpleText }
preferred_captions.sort_by! { |caption| preferences.captions.index(caption.name.simpleText).not_nil! }
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captions = captions - preferred_captions
end
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preferred_captions ||= [] of Caption
aspect_ratio = "16:9"
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video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = add_alt_links(video.description)
description = video.short_description
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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host_params = env.request.query_params
host_params.delete_all("v")
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if video.info["hlsvp"]?
hlsvp = video.info["hlsvp"]
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hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
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end
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# TODO: Find highest resolution thumbnail automatically
thumbnail = "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg"
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if raw
url = fmt_stream[0]["url"]
fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == quality
url = fmt["url"]
end
end
next env.redirect url
end
rvs = [] of Hash(String, String)
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video.info["rvs"]?.try &.split(",").each do |rv|
rvs << HTTP::Params.parse(rv).to_h
end
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rating = video.info["avg_rating"].to_f64
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engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100)
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templated "watch"
end
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get "/embed/:id" do |env|
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id = env.params.url["id"]
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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("+")
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url = "/embed/#{id}"
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if env.params.query.size > 0
url += "?#{env.params.query.to_s.gsub("%20", "").delete("+")}"
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end
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next env.redirect url
end
if id.size > 11
url = "/embed/#{id[0, 11]}"
if env.params.query.size > 0
url += "?#{env.params.query}"
end
next env.redirect url
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end
autoplay, video_loop, video_start, video_end, listen, raw, quality, controls = process_video_params(env.params.query, nil)
preferred_captions = [] of Caption
preferences = Preferences.from_json({
"video_loop" => video_loop,
"autoplay" => autoplay,
"speed" => 1.0,
"quality" => quality,
"volume" => 100,
"max_results" => 0,
"sort" => "",
"latest_only" => false,
"unseen_only" => false,
"dark_mode" => false,
}.to_json)
aspect_ratio = nil
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begin
video = get_video(id, PG_DB)
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rescue ex
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error_message = ex.message
next templated "error"
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end
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fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
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video_streams = video.video_streams(adaptive_fmts)
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audio_streams = video.audio_streams(adaptive_fmts)
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captions = video.captions
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video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = add_alt_links(video.description)
description = video.short_description
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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host_params = env.request.query_params
host_params.delete_all("v")
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if video.info["hlsvp"]?
hlsvp = video.info["hlsvp"]
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
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end
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# TODO: Find highest resolution thumbnail automatically
thumbnail = "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg"
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if raw
url = fmt_stream[0]["url"]
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fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == quality
url = fmt["url"]
end
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end
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next env.redirect url
end
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rendered "embed"
end
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# Playlists
get "/playlist" do |env|
plid = env.params.query["list"]?
if !plid
next env.redirect "/"
end
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if plid
begin
videos = extract_playlist(plid, page)
rescue ex
error_message = ex.message
next templated "error"
end
playlist = fetch_playlist(plid)
else
next env.redirect "/"
end
templated "playlist"
end
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# Search
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get "/results" do |env|
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query = env.params.query["search_query"]?
query ||= env.params.query["q"]?
query ||= ""
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
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if query
env.redirect "/search?q=#{URI.escape(query)}&page=#{page}"
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else
env.redirect "/"
end
end
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get "/search" do |env|
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query = env.params.query["search_query"]?
query ||= env.params.query["q"]?
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query ||= ""
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
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search_params = build_search_params(sort_by: "relevance", content_type: "video")
videos = search(query, page, search_params)
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templated "search"
end
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# Users
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get "/login" do |env|
user = env.get? "user"
if user
next env.redirect "/feed/subscriptions"
end
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referer = get_referer(env, "/feed/subscriptions")
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account_type = env.params.query["type"]?
account_type ||= "invidious"
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if account_type == "invidious"
captcha = generate_captcha(HMAC_KEY)
end
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tfa = env.params.query["tfa"]?
tfa ||= false
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templated "login"
end
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# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79
post "/login" do |env|
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referer = get_referer(env, "/feed/subscriptions")
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email = env.params.body["email"]?
password = env.params.body["password"]?
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account_type = env.params.query["type"]?
account_type ||= "google"
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if account_type == "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
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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"
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login_page = client.get("/ServiceLogin")
headers = login_page.cookies.add_request_headers(headers)
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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
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end
end
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login_page.xpath_nodes(%q(//input[@type="hidden"])).each do |node|
name = node["id"]? || node["name"]?
name ||= ""
value = node["value"]?
value ||= ""
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if name != "" && value != ""
inputs[name] = value
end
end
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lookup_req = %(["#{email}",null,[],null,"US",null,null,2,false,true,[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true],"#{email}"])
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lookup_results = client.post("/_/signin/sl/lookup", headers, login_req(inputs, lookup_req))
headers = lookup_results.cookies.add_request_headers(headers)
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lookup_results = lookup_results.body
lookup_results = lookup_results[5..-1]
lookup_results = JSON.parse(lookup_results)
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user_hash = lookup_results[0][2]
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challenge_req = %(["#{user_hash}",null,1,null,[1,null,null,null,["#{password}",null,true]],[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true]])
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challenge_results = client.post("/_/signin/sl/challenge", headers, login_req(inputs, challenge_req))
headers = challenge_results.cookies.add_request_headers(headers)
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challenge_results = challenge_results.body
challenge_results = challenge_results[5..-1]
challenge_results = JSON.parse(challenge_results)
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headers["Cookie"] = URI.unescape(headers["Cookie"])
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if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
error_message = "Incorrect password"
next templated "error"
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end
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if challenge_results[0][-1][0].as_a?
# Prefer Authenticator app and SMS over unsupported protocols
if challenge_results[0][-1][0][0][8] != 6 || challenge_results[0][-1][0][0][8] != 9
tfa = challenge_results[0][-1][0].as_a.select { |auth_type| auth_type[8] == 6 || auth_type[8] == 9 }[0]
select_challenge = "[#{challenge_results[0][-1][0].as_a.index(tfa).not_nil!}]"
2018-07-27 08:12:12 +05:30
2018-08-05 02:00:44 +05:30
tl = challenge_results[1][2]
2018-07-27 08:12:12 +05:30
2018-08-05 02:00:44 +05:30
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
2018-08-05 02:00:44 +05:30
tfa = challenge_results[0][-1][0][0]
2018-07-27 20:19:34 +05:30
end
2018-08-05 02:00:44 +05:30
if tfa[2] == "TWO_STEP_VERIFICATION"
if tfa[5] == "QUOTA_EXCEEDED"
error_message = "Quota exceeded, try again in a few hours"
next templated "error"
end
2018-08-05 02:00:44 +05:30
if !tfa_code
2018-08-17 20:49:20 +05:30
next env.redirect "/login?tfa=true&type=google&referer=#{URI.escape(referer)}"
end
2018-08-05 02:00:44 +05:30
tl = challenge_results[1][2]
2018-08-05 02:00:44 +05:30
request_type = tfa[8]
case request_type
when 6
# Authenticator app
tfa_req = %(["#{user_hash}",null,2,null,[6,null,null,null,null,["#{tfa_code}",false]]])
when 9
# Voice or text message
tfa_req = %(["#{user_hash}",null,2,null,[9,null,null,null,null,null,null,null,[null,"#{tfa_code}",false,2]]])
else
error_message = "Unable to login, make sure two-factor authentication (Authenticator or SMS) is enabled."
next templated "error"
end
2018-08-05 02:00:44 +05:30
challenge_results = client.post("/_/signin/challenge?hl=en&TL=#{tl}", headers, login_req(inputs, tfa_req))
headers = challenge_results.cookies.add_request_headers(headers)
2018-08-05 02:00:44 +05:30
challenge_results = challenge_results.body
challenge_results = challenge_results[5..-1]
challenge_results = JSON.parse(challenge_results)
2018-08-05 02:00:44 +05:30
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
error_message = "Invalid TFA code"
next templated "error"
end
end
end
2018-08-05 02:00:44 +05:30
login_res = challenge_results[0][13][2].to_s
2018-08-05 02:00:44 +05:30
login = client.get(login_res, headers)
headers = login.cookies.add_request_headers(headers)
2018-08-05 02:00:44 +05:30
login = client.get(login.headers["Location"], headers)
2018-08-05 02:00:44 +05:30
headers = HTTP::Headers.new
headers = login.cookies.add_request_headers(headers)
2018-07-30 07:31:28 +05:30
2018-08-05 02:00:44 +05:30
sid = login.cookies["SID"].value
2018-08-05 02:00:44 +05:30
client = make_client(YT_URL)
user = get_user(sid, client, headers, PG_DB)
2018-08-05 02:00:44 +05:30
# We are now logged in
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
host = URI.parse(env.request.headers["Host"]).host
2018-08-05 02:00:44 +05:30
login.cookies.each do |cookie|
if Kemal.config.ssl || CONFIG.https_only
cookie.secure = true
else
2018-08-05 02:00:44 +05:30
cookie.secure = false
end
2018-08-05 02:00:44 +05:30
cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host)
cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "")
end
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
login.cookies.add_response_headers(env.response.headers)
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
env.redirect referer
rescue ex
error_message = "Login failed. This may be because two-factor authentication is not enabled on your account."
next templated "error"
2018-08-01 10:26:17 +05:30
end
2018-08-05 02:00:44 +05:30
elsif account_type == "invidious"
challenge_response = env.params.body["challenge_response"]?
token = env.params.body["token"]?
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
action = env.params.body["action"]?
action ||= "signin"
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
if !email
error_message = "User ID is a required field"
next templated "error"
end
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if !password
error_message = "Password is a required field"
next templated "error"
end
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if !challenge_response || !token
error_message = "CAPTCHA is a required field"
next templated "error"
end
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
challenge_response = challenge_response.lstrip('0')
if OpenSSL::HMAC.digest(:sha256, HMAC_KEY, challenge_response) == Base64.decode(token)
else
error_message = "Invalid CAPTCHA response"
next templated "error"
end
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if action == "signin"
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User)
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if !user
error_message = "Invalid username or password"
next templated "error"
end
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if !user.password
error_message = "Please sign in using 'Sign in with Google'"
next templated "error"
end
2018-08-05 02:00:44 +05:30
if Crypto::Bcrypt::Password.new(user.password.not_nil!) == password
2018-08-15 23:10:42 +05:30
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
PG_DB.exec("UPDATE users SET id = id || $1 WHERE email = $2", [sid], email)
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
if Kemal.config.ssl || CONFIG.https_only
secure = true
2018-08-01 10:31:01 +05:30
else
2018-08-05 02:00:44 +05:30
secure = false
2018-08-01 10:31:01 +05:30
end
2018-08-05 02:00:44 +05:30
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
error_message = "Invalid username or password"
next templated "error"
end
elsif action == "register"
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User)
if user
error_message = "Please sign in"
next templated "error"
end
2018-08-15 23:10:42 +05:30
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
2018-08-05 02:00:44 +05:30
user = create_user(sid, email, password)
user_array = user.to_a
2018-08-01 10:31:01 +05:30
2018-08-05 02:00:44 +05:30
user_array[5] = user_array[5].to_json
args = arg_array(user_array)
2018-08-05 02:00:44 +05:30
PG_DB.exec("INSERT INTO users VALUES (#{args})", user_array)
2018-08-05 02:00:44 +05:30
if Kemal.config.ssl || CONFIG.https_only
secure = true
else
secure = false
end
2018-08-05 02:00:44 +05:30
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
2018-08-05 02:00:44 +05:30
env.redirect referer
end
end
2018-08-05 02:00:44 +05:30
get "/signout" do |env|
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
env.request.cookies.each do |cookie|
cookie.expires = Time.new(1990, 1, 1)
2018-07-14 19:06:31 +05:30
end
2018-08-15 23:10:42 +05:30
if env.get? "user"
user = env.get("user").as(User)
sid = env.get("sid").as(String)
PG_DB.exec("UPDATE users SET id = array_remove(id, $1) WHERE email = $2", sid, user.email)
end
2018-08-05 02:00:44 +05:30
env.request.cookies.add_response_headers(env.response.headers)
2018-08-17 20:49:20 +05:30
env.redirect URI.unescape(referer)
2018-08-05 02:00:44 +05:30
end
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
get "/preferences" do |env|
user = env.get? "user"
2018-07-14 19:06:31 +05:30
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-08-05 02:00:44 +05:30
if user
user = user.as(User)
templated "preferences"
else
2018-08-09 06:56:02 +05:30
env.redirect referer
2018-08-05 02:00:44 +05:30
end
end
2018-08-05 02:00:44 +05:30
post "/preferences" do |env|
user = env.get? "user"
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-08-05 02:00:44 +05:30
if user
user = user.as(User)
2018-08-05 02:00:44 +05:30
video_loop = env.params.body["video_loop"]?.try &.as(String)
video_loop ||= "off"
video_loop = video_loop == "on"
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
autoplay = env.params.body["autoplay"]?.try &.as(String)
autoplay ||= "off"
autoplay = autoplay == "on"
2018-08-03 03:38:33 +05:30
2018-08-05 02:00:44 +05:30
speed = env.params.body["speed"]?.try &.as(String).to_f?
speed ||= 1.0
2018-08-05 02:00:44 +05:30
quality = env.params.body["quality"]?.try &.as(String)
quality ||= "hd720"
2018-08-05 02:00:44 +05:30
volume = env.params.body["volume"]?.try &.as(String).to_i?
volume ||= 100
2018-08-05 02:00:44 +05:30
comments = env.params.body["comments"]?
comments ||= "youtube"
2018-07-14 19:06:31 +05:30
2018-08-06 23:53:36 +05:30
captions_0 = env.params.body["captions_0"]?.try &.as(String) || ""
captions_1 = env.params.body["captions_1"]?.try &.as(String) || ""
captions_2 = env.params.body["captions_2"]?.try &.as(String) || ""
captions = [captions_0, captions_1, captions_2]
2018-08-05 02:00:44 +05:30
redirect_feed = env.params.body["redirect_feed"]?.try &.as(String)
redirect_feed ||= "off"
redirect_feed = redirect_feed == "on"
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
dark_mode = env.params.body["dark_mode"]?.try &.as(String)
dark_mode ||= "off"
dark_mode = dark_mode == "on"
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
thin_mode = env.params.body["thin_mode"]?.try &.as(String)
thin_mode ||= "off"
thin_mode = thin_mode == "on"
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
max_results = env.params.body["max_results"]?.try &.as(String).to_i?
max_results ||= 40
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
sort = env.params.body["sort"]?.try &.as(String)
sort ||= "published"
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
latest_only = env.params.body["latest_only"]?.try &.as(String)
latest_only ||= "off"
latest_only = latest_only == "on"
2018-08-05 02:00:44 +05:30
unseen_only = env.params.body["unseen_only"]?.try &.as(String)
unseen_only ||= "off"
unseen_only = unseen_only == "on"
2018-08-05 02:00:44 +05:30
notifications_only = env.params.body["notifications_only"]?.try &.as(String)
notifications_only ||= "off"
notifications_only = notifications_only == "on"
2018-08-05 02:00:44 +05:30
preferences = {
"video_loop" => video_loop,
"autoplay" => autoplay,
"speed" => speed,
"quality" => quality,
"volume" => volume,
"comments" => comments,
2018-08-06 23:53:36 +05:30
"captions" => captions,
2018-08-05 02:00:44 +05:30
"redirect_feed" => redirect_feed,
"dark_mode" => dark_mode,
"thin_mode" => thin_mode,
"max_results" => max_results,
"sort" => sort,
"latest_only" => latest_only,
"unseen_only" => unseen_only,
"notifications_only" => notifications_only,
}.to_json
2018-08-01 00:10:26 +05:30
2018-08-05 02:00:44 +05:30
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email)
2018-08-01 00:10:26 +05:30
end
2018-08-05 02:00:44 +05:30
env.redirect referer
end
2018-08-01 00:10:26 +05:30
get "/toggle_theme" do |env|
user = env.get? "user"
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
if user
user = user.as(User)
preferences = user.preferences
if preferences.dark_mode
preferences.dark_mode = false
else
preferences.dark_mode = true
end
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
end
env.redirect referer
end
2018-08-05 09:37:38 +05:30
# /modify_notifications
# will "ding" all subscriptions.
2018-08-05 02:00:44 +05:30
# /modify_notifications?receive_all_updates=false&receive_no_updates=false
# will "unding" all subscriptions.
get "/modify_notifications" do |env|
user = env.get? "user"
2018-07-14 19:06:31 +05:30
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-07-14 19:06:31 +05:30
2018-08-05 02:00:44 +05:30
if user
user = user.as(User)
2018-07-30 07:35:40 +05:30
2018-08-05 02:00:44 +05:30
channel_req = {} of String => String
2018-02-27 06:29:02 +05:30
2018-08-05 02:00:44 +05:30
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"
2018-01-07 23:12:24 +05:30
2018-08-05 02:00:44 +05:30
channel_req.reject! { |k, v| v != "true" && v != "false" }
2018-08-05 02:00:44 +05:30
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
2017-12-31 02:51:43 +05:30
2018-08-05 02:00:44 +05:30
client = make_client(YT_URL)
subs = client.get("/subscription_manager?disable_polymer=1", headers)
headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"]
match = subs.body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect referer
end
2018-07-19 00:56:02 +05:30
2018-08-05 02:00:44 +05:30
channel_req["session_token"] = session_token
2018-04-08 08:06:09 +05:30
2018-08-05 02:00:44 +05:30
headers["content-type"] = "application/x-www-form-urlencoded"
subs = XML.parse_html(subs.body)
subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel|
channel_id = channel.content.lstrip("/channel/").not_nil!
2018-07-19 00:56:02 +05:30
2018-08-05 02:00:44 +05:30
channel_req["channel_id"] = channel_id
client.post("/subscription_ajax?action_update_subscription_preferences=1", headers,
HTTP::Params.encode(channel_req)).body
end
2018-07-19 00:56:02 +05:30
end
2018-08-05 02:00:44 +05:30
env.redirect referer
end
2018-04-29 20:10:33 +05:30
2018-08-05 02:00:44 +05:30
get "/subscription_manager" do |env|
user = env.get? "user"
2018-04-18 02:28:00 +05:30
2018-08-09 06:56:02 +05:30
referer = get_referer(env, "/")
2018-08-05 02:00:44 +05:30
if !user
2018-08-09 06:56:02 +05:30
next env.redirect referer
2018-04-28 19:57:05 +05:30
end
2018-08-05 02:00:44 +05:30
user = user.as(User)
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
if !user.password
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
2018-04-08 08:06:09 +05:30
2018-08-05 02:00:44 +05:30
client = make_client(YT_URL)
2018-08-15 23:10:42 +05:30
user = get_user(user.id[0], client, headers, PG_DB)
2018-08-05 02:00:44 +05:30
end
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
action_takeout = env.params.query["action_takeout"]?.try &.to_i?
action_takeout ||= 0
action_takeout = action_takeout == 1
2018-07-19 00:56:02 +05:30
2018-08-05 02:00:44 +05:30
format = env.params.query["format"]?
format ||= "rss"
2018-07-19 00:56:02 +05:30
2018-08-05 02:00:44 +05:30
client = make_client(YT_URL)
2018-04-29 20:10:33 +05:30
2018-08-05 02:00:44 +05:30
subscriptions = [] of InvidiousChannel
user.subscriptions.each do |ucid|
begin
subscriptions << get_channel(ucid, client, PG_DB, false)
rescue ex
next
end
end
subscriptions.sort_by! { |channel| channel.author.downcase }
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
if action_takeout
2018-08-06 01:07:32 +05:30
host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
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
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
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
2018-08-05 09:37:38 +05:30
xmlUrl = "#{host_url}/feed/channel/#{channel.id}"
2018-08-05 02:00:44 +05:30
end
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
xml.element("outline", text: channel.author, title: channel.author,
"type": "rss", xmlUrl: xmlUrl)
end
end
end
2018-07-19 00:56:02 +05:30
end
2018-03-16 22:10:29 +05:30
end
2018-08-05 02:00:44 +05:30
next export.gsub(%(<?xml version="1.0"?>\n), "")
end
end
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
templated "subscription_manager"
end
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
get "/data_control" do |env|
user = env.get? "user"
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
if user
user = user.as(User)
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
templated "data_control"
else
env.redirect referer
end
end
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
post "/data_control" do |env|
user = env.get? "user"
2018-08-09 06:56:02 +05:30
referer = get_referer(env)
2018-03-16 22:10:29 +05:30
2018-08-05 02:00:44 +05:30
if user
user = user.as(User)
2018-04-29 20:10:33 +05:30
2018-08-05 02:00:44 +05:30
HTTP::FormData.parse(env.request) do |part|
body = part.body.gets_to_end
if body.empty?
next
2018-07-19 00:56:02 +05:30
end
2018-08-05 02:00:44 +05:30
case part.name
when "import_invidious"
body = JSON.parse(body)
body["subscriptions"].as_a.each do |ucid|
ucid = ucid.as_s
if !user.subscriptions.includes? ucid
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", ucid, user.id)
2018-08-05 02:00:44 +05:30
begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
end
end
2018-08-05 02:00:44 +05:30
body["watch_history"].as_a.each do |id|
id = id.as_s
if !user.watched.includes? id
PG_DB.exec("UPDATE users SET watched = array_append(watched,$1) WHERE id = $2", id, user.id)
end
end
2018-04-29 20:10:33 +05:30
2018-08-05 02:00:44 +05:30
PG_DB.exec("UPDATE users SET preferences = $1 WHERE id = $2", body["preferences"].to_json, user.id)
when "import_youtube"
subscriptions = XML.parse(body)
subscriptions.xpath_nodes(%q(//outline[@type="rss"])).each do |channel|
ucid = channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
if !user.subscriptions.includes? ucid
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", ucid, user.id)
begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
end
end
when "import_freetube"
body.scan(/"channelId":"(?<channel_id>[a-zA-Z0-9_-]{24})"/).each do |md|
ucid = md["channel_id"]
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if !user.subscriptions.includes? ucid
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", ucid, user.id)
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begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
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end
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end
when "import_newpipe_subscriptions"
body = JSON.parse(body)
body["subscriptions"].as_a.each do |channel|
ucid = channel["url"].as_s.match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
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if !user.subscriptions.includes? ucid
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", ucid, user.id)
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begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
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end
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end
when "import_newpipe"
Zip::Reader.open(body) do |file|
file.each_entry do |entry|
if entry.filename == "newpipe.db"
# We do this because the SQLite driver cannot parse a database from an IO
# Currently: channel URLs can **only** be subscriptions, and
# video URLs can **only** be watch history, so this works okay for now.
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db = entry.io.gets_to_end
db.scan(/youtube\.com\/watch\?v\=(?<id>[a-zA-Z0-9_-]{11})/) do |md|
if !user.watched.includes? md["id"]
PG_DB.exec("UPDATE users SET watched = array_append(watched,$1) WHERE id = $2", md["id"], user.id)
end
end
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db.scan(/youtube\.com\/channel\/(?<ucid>[a-zA-Z0-9_-]{22})/) do |md|
ucid = md["ucid"]
if !user.subscriptions.includes? ucid
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", ucid, user.id)
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begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
end
end
end
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end
end
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end
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end
end
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env.redirect referer
end
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get "/subscription_ajax" do |env|
user = env.get? "user"
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referer = get_referer(env)
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if user
user = user.as(User)
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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
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channel_id = env.params.query["c"]?
channel_id ||= ""
if !user.password
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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client = make_client(YT_URL)
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subs = client.get("/subscription_manager?disable_polymer=1", headers)
headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"]
match = subs.body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect referer
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end
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headers["content-type"] = "application/x-www-form-urlencoded"
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post_req = {
"session_token" => session_token,
}
post_req = HTTP::Params.encode(post_req)
post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}"
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# Update user
if client.post(post_url, headers, post_req).status_code == 200
sid = user.id
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case action
when .starts_with? "action_create"
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid)
when .starts_with? "action_remove"
PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid)
end
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end
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else
sid = user.id
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case action
when .starts_with? "action_create"
if !user.subscriptions.includes? channel_id
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid)
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client = make_client(YT_URL)
get_channel(channel_id, client, PG_DB, false, false)
end
when .starts_with? "action_remove"
PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid)
end
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end
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end
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env.redirect referer
end
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get "/clear_watch_history" do |env|
user = env.get? "user"
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referer = get_referer(env)
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if user
user = user.as(User)
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PG_DB.exec("UPDATE users SET watched = '{}' WHERE id = $1", user.id)
end
env.redirect referer
end
# Feeds
get "/feed/subscriptions" do |env|
user = env.get? "user"
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referer = get_referer(env)
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if user
user = user.as(User)
preferences = user.preferences
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
if !user.password
client = make_client(YT_URL)
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user = get_user(user.id[0], client, headers, PG_DB)
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end
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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
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else
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limit = max_results
offset = (page - 1) * max_results
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end
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notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
if preferences.notifications_only && !notifications.empty?
args = arg_array(notifications)
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videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
ORDER BY published DESC", notifications, as: ChannelVideo)
notifications = [] of ChannelVideo
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videos.sort_by! { |video| video.published }.reverse!
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case preferences.sort
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
else
if preferences.latest_only
if preferences.unseen_only
ucids = arg_array(user.subscriptions)
if user.watched.empty?
watched = "'{}'"
else
watched = arg_array(user.watched, user.subscriptions.size + 1)
end
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videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \
ucid IN (#{ucids}) AND id NOT IN (#{watched}) ORDER BY ucid, published DESC",
user.subscriptions + user.watched, as: ChannelVideo)
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else
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args = arg_array(user.subscriptions)
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \
ucid IN (#{args}) ORDER BY ucid, published DESC", user.subscriptions, as: ChannelVideo)
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end
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videos.sort_by! { |video| video.published }.reverse!
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else
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if preferences.unseen_only
ucids = arg_array(user.subscriptions, 3)
if user.watched.empty?
watched = "'{}'"
else
watched = arg_array(user.watched, user.subscriptions.size + 3)
end
2018-07-19 00:56:02 +05:30
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videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{ucids}) \
AND id NOT IN (#{watched}) ORDER BY published DESC LIMIT $1 OFFSET $2",
[limit, offset] + user.subscriptions + user.watched, as: ChannelVideo)
else
args = arg_array(user.subscriptions, 3)
videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{args}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", [limit, offset] + user.subscriptions, as: ChannelVideo)
end
end
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case preferences.sort
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
2018-07-19 00:56:02 +05:30
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# TODO: Add option to disable picking out notifications from regular feed
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
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notifications = videos.select { |v| notifications.includes? v.id }
videos = videos - notifications
end
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if !limit
videos = videos[0..max_results]
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end
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PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE id = $3", [] of String, Time.now,
user.id)
user.notifications = [] of String
env.set "user", user
templated "subscriptions"
else
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env.redirect referer
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end
end
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get "/feed/channel/:ucid" do |env|
ucid = env.params.url["ucid"]
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client = make_client(YT_URL)
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if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}")
rss = XML.parse_html(rss.body)
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ucid = rss.xpath_node("//feed/channelid")
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if !ucid
error_message = "User does not exist."
halt env, status_code: 404, response: error_message
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end
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ucid = ucid.content
next env.redirect "/feed/channel/#{ucid}"
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end
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url = produce_videos_url(ucid)
response = client.get(url)
json = JSON.parse(response.body)
if json["content_html"].as_s.empty?
if response.status_code == 500
error_message = "This channel does not exist."
halt env, status_code: 404, response: error_message
else
next ""
end
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end
content_html = json["content_html"].as_s
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document = XML.parse_html(content_html)
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channel = get_channel(ucid, client, PG_DB, pull_all_videos: false)
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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path = env.request.path
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feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom") do
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xml.element("link", rel: "self", href: "#{host_url}#{path}")
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xml.element("id") { xml.text "yt:channel:#{ucid}" }
xml.element("yt:channelId") { xml.text ucid }
xml.element("title") { xml.text channel.author }
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xml.element("link", rel: "alternate", href: "#{host_url}/channel/#{ucid}")
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xml.element("author") do
xml.element("name") { xml.text channel.author }
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xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
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end
nodeset = document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")]))
extract_videos(nodeset).each do |video|
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xml.element("entry") do
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xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
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xml.element("yt:channelId") { xml.text ucid }
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xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
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xml.element("author") do
xml.element("name") { xml.text channel.author }
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xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
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end
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xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
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xml.element("media:group") do
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xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
xml.element("media:description") { xml.text video.description }
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end
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xml.element("media:community") do
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xml.element("media:statistics", views: video.views)
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end
end
end
end
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end
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env.response.content_type = "text/xml"
feed
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end
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get "/feed/private" do |env|
token = env.params.query["token"]?
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if !token
halt env, status_code: 403
end
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user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User)
if !user
halt env, status_code: 403
end
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max_results = env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
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if max_results < 0
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
2018-03-25 09:08:35 +05:30
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latest_only = env.params.query["latest_only"]?.try &.to_i?
latest_only ||= 0
latest_only = latest_only == 1
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if latest_only
args = arg_array(user.subscriptions)
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \
ucid IN (#{args}) ORDER BY ucid, published DESC", user.subscriptions, as: ChannelVideo)
videos.sort_by! { |video| video.published }.reverse!
else
args = arg_array(user.subscriptions, 3)
videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{args}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", [limit, offset] + user.subscriptions, as: ChannelVideo)
end
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sort = env.params.query["sort"]?
sort ||= "published"
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case sort
when "alphabetically"
videos.sort_by! { |video| video.title }
when "reverse_alphabetically"
videos.sort_by! { |video| video.title }.reverse!
when "channel_name"
videos.sort_by! { |video| video.author }
when "reverse_channel_name"
videos.sort_by! { |video| video.author }.reverse!
end
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if !limit
videos = videos[0..max_results]
end
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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path = env.request.path
query = env.request.query.not_nil!
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feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", xmlns: "http://www.w3.org/2005/Atom", "xmlns:media": "http://search.yahoo.com/mrss/",
"xml:lang": "en-US") do
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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}")
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xml.element("title") { xml.text "Invidious Private Feed for #{user.email}" }
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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 }
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xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
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xml.element("author") do
xml.element("name") { xml.text video.author }
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xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" }
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end
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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") }
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xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
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xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
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end
end
end
end
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end
2018-04-01 05:39:27 +05:30
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env.response.content_type = "application/atom+xml"
feed
end
2018-03-25 09:08:35 +05:30
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# Channels
get "/user/:user" do |env|
user = env.params.url["user"]
env.redirect "/channel/#{user}"
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end
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get "/channel/:ucid" do |env|
user = env.get? "user"
if user
user = user.as(User)
subscriptions = user.subscriptions
end
subscriptions ||= [] of String
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ucid = env.params.url["ucid"]
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
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client = make_client(YT_URL)
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if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
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rss = client.get("/feeds/videos.xml?user=#{ucid}")
rss = XML.parse_html(rss.body)
ucid = rss.xpath_node("//feed/channelid")
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if !ucid
error_message = "User does not exist."
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next templated "error"
end
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ucid = ucid.content
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next env.redirect "/channel/#{ucid}"
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end
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rss = client.get("/feeds/videos.xml?channel_id=#{ucid}")
if rss.status_code == 404
error_message = "This channel does not exist."
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next templated "error"
end
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rss = XML.parse_html(rss.body)
author = rss.xpath_node("//feed/author/name").not_nil!.content
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begin
videos = extract_playlist(ucid, page)
rescue ex
error_message = ex.message
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next templated "error"
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end
templated "channel"
end
get "/channel/:ucid/videos" do |env|
ucid = env.params.url["ucid"]
params = env.request.query
if !params || params.empty?
params = ""
else
params = "?#{params}"
end
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env.redirect "/channel/#{ucid}#{params}"
end
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
# API Endpoints
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
get "/api/v1/captions/:id" do |env|
id = env.params.url["id"]
2018-07-30 07:31:28 +05:30
2018-08-05 02:00:44 +05:30
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB)
rescue ex
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halt env, status_code: 403
end
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captions = video.captions
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2018-08-05 02:00:44 +05:30
label = env.params.query["label"]?
if !label
env.response.content_type = "application/json"
response = JSON.build do |json|
json.object do
json.field "captions" do
json.array do
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captions.each do |caption|
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json.object do
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json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
2018-08-05 02:00:44 +05:30
end
end
end
end
2018-07-28 18:54:53 +05:30
end
2018-08-05 02:00:44 +05:30
end
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
next response
end
2018-07-28 18:54:53 +05:30
2018-08-07 04:55:25 +05:30
caption = captions.select { |caption| caption.name.simpleText == label }
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
env.response.content_type = "text/vtt"
2018-08-05 09:37:38 +05:30
if caption.empty?
2018-08-05 02:00:44 +05:30
halt env, status_code: 403
else
2018-08-05 09:37:38 +05:30
caption = caption[0]
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end
2018-07-28 18:54:53 +05:30
2018-08-07 04:55:25 +05:30
caption_xml = client.get(caption.baseUrl).body
2018-08-05 09:37:38 +05:30
caption_xml = XML.parse(caption_xml)
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
webvtt = <<-END_VTT
WEBVTT
Kind: captions
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Language: #{caption.languageCode}
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END_VTT
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caption_nodes = caption_xml.xpath_nodes("//transcript/text")
caption_nodes.each_with_index do |node, i|
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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
2018-07-28 18:54:53 +05:30
2018-08-05 02:00:44 +05:30
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(/<font color="#[a-fA-F0-9]{6}">/, "")
text = text.gsub(/<\/font>/, "")
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if md = text.match(/(?<name>.*) : (?<text>.*)/)
text = "<v #{md["name"]}>#{md["text"]}</v>"
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end
2018-08-05 02:00:44 +05:30
webvtt = webvtt + <<-END_CUE
#{start_time} --> #{end_time}
#{text}
END_CUE
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end
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webvtt
2018-07-28 18:54:53 +05:30
end
2018-08-05 02:00:44 +05:30
get "/api/v1/comments/:id" do |env|
id = env.params.url["id"]
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
source = env.params.query["source"]?
source ||= "youtube"
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2018-08-05 02:00:44 +05:30
format = env.params.query["format"]?
format ||= "json"
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
if source == "youtube"
client = make_client(YT_URL)
headers = HTTP::Headers.new
html = client.get("/watch?v=#{id}&disable_polymer=1")
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
headers["cookie"] = html.cookies.add_request_headers(headers)["cookie"]
headers["content-type"] = "application/x-www-form-urlencoded"
2018-07-20 21:49:49 +05:30
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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}"
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
headers["x-youtube-client-name"] = "1"
headers["x-youtube-client-version"] = "2.20180719"
2018-07-20 21:49:49 +05:30
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body = html.body
session_token = body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"]
ctoken = body.match(/'COMMENTS_TOKEN': "(?<ctoken>[^"]+)"/)
if !ctoken
env.response.content_type = "application/json"
if format == "json"
next {"comments" => [] of String}.to_json
else
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next {"contentHtml" => ""}.to_json
end
2018-08-05 02:00:44 +05:30
end
ctoken = ctoken["ctoken"]
itct = body.match(/itct=(?<itct>[^"]+)"/).not_nil!["itct"]
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if env.params.query["continuation"]? && !env.params.query["continuation"].empty?
2018-08-05 02:00:44 +05:30
continuation = env.params.query["continuation"]
ctoken = continuation
else
continuation = ctoken
end
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
post_req = {
"session_token" => session_token,
}
post_req = HTTP::Params.encode(post_req)
response = client.post("/comment_service_ajax?action_get_comments=1&pbj=1&ctoken=#{ctoken}&continuation=#{continuation}&itct=#{itct}", headers, post_req).body
response = JSON.parse(response)
env.response.content_type = "application/json"
if !response["response"]["continuationContents"]?
2018-08-08 20:50:07 +05:30
halt env, status_code: 403
2018-08-05 02:00:44 +05:30
end
response = response["response"]["continuationContents"]
if response["commentRepliesContinuation"]?
body = response["commentRepliesContinuation"]
else
body = response["itemSectionContinuation"]
end
contents = body["contents"]?
if !contents
if format == "json"
next {"comments" => [] of String}.to_json
else
2018-08-17 19:55:47 +05:30
next {"contentHtml" => ""}.to_json
2018-08-05 02:00:44 +05:30
end
end
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
comments = JSON.build do |json|
json.object do
if body["header"]?
comment_count = body["header"]["commentsHeaderRenderer"]["countText"]["simpleText"].as_s.delete("Comments,").to_i
json.field "commentCount", comment_count
end
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
json.field "comments" do
json.array do
2018-08-05 09:37:38 +05:30
contents.as_a.each do |node|
2018-08-05 02:00:44 +05:30
json.object do
if !response["commentRepliesContinuation"]?
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node = node["commentThreadRenderer"]
2018-08-05 02:00:44 +05:30
end
2018-07-20 21:49:49 +05:30
2018-08-05 09:37:38 +05:30
if node["replies"]?
node_replies = node["replies"]["commentRepliesRenderer"]
2018-08-05 02:00:44 +05:30
end
2018-07-20 21:49:49 +05:30
2018-08-05 02:00:44 +05:30
if !response["commentRepliesContinuation"]?
2018-08-05 09:37:38 +05:30
node_comment = node["comment"]["commentRenderer"]
2018-08-05 02:00:44 +05:30
else
2018-08-05 09:37:38 +05:30
node_comment = node["commentRenderer"]
2018-08-05 02:00:44 +05:30
end
2018-07-20 21:49:49 +05:30
2018-08-05 09:37:38 +05:30
content_text = node_comment["contentText"]["simpleText"]?.try &.as_s.rchop('\ufeff')
content_text ||= node_comment["contentText"]["runs"].as_a.map { |comment| comment["text"] }
2018-08-05 02:00:44 +05:30
.join("").rchop('\ufeff')
2018-07-20 21:49:49 +05:30
2018-08-07 19:00:37 +05:30
author = node_comment["authorText"]?.try &.["simpleText"]
author ||= ""
json.field "author", author
2018-08-05 02:00:44 +05:30
json.field "authorThumbnails" do
json.array do
2018-08-05 09:37:38 +05:30
node_comment["authorThumbnail"]["thumbnails"].as_a.each do |thumbnail|
2018-08-05 02:00:44 +05:30
json.object do
json.field "url", thumbnail["url"]
json.field "width", thumbnail["width"]
json.field "height", thumbnail["height"]
end
end
end
end
2018-08-07 19:00:37 +05:30
if node_comment["authorEndpoint"]?
json.field "authorId", node_comment["authorEndpoint"]["browseEndpoint"]["browseId"]
json.field "authorUrl", node_comment["authorEndpoint"]["browseEndpoint"]["canonicalBaseUrl"]
else
json.field "authorId", ""
json.field "authorUrl", ""
end
published = decode_date(node_comment["publishedTimeText"]["runs"][0]["text"].as_s.rchop(" (edited)"))
2018-08-05 02:00:44 +05:30
json.field "content", content_text
json.field "published", published.epoch
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json.field "likeCount", node_comment["likeCount"]
json.field "commentId", node_comment["commentId"]
2018-07-20 21:49:49 +05:30
2018-08-05 09:37:38 +05:30
if node_replies && !response["commentRepliesContinuation"]?
2018-08-15 22:17:37 +05:30
reply_count = node_replies["moreText"]["simpleText"].as_s.delete("View all reply replies,")
if reply_count.empty?
reply_count = 1
else
reply_count = reply_count.try &.to_i?
2018-08-15 23:10:42 +05:30
reply_count ||= 1
2018-08-15 22:17:37 +05:30
end
2018-07-20 21:49:49 +05:30
2018-08-05 09:37:38 +05:30
continuation = node_replies["continuations"].as_a[0]["nextContinuationData"]["continuation"].as_s
2018-08-05 02:00:44 +05:30
json.field "replies" do
json.object do
json.field "replyCount", reply_count
json.field "continuation", continuation
end
end
end
end
end
2018-07-20 21:49:49 +05:30
end
end
2018-08-05 02:00:44 +05:30
if body["continuations"]?
continuation = body["continuations"][0]["nextContinuationData"]["continuation"]
json.field "continuation", continuation
end
2018-07-20 21:49:49 +05:30
end
end
2018-08-05 02:00:44 +05:30
if format == "json"
next comments
else
comments = JSON.parse(comments)
content_html = template_youtube_comments(comments)
2018-08-17 19:55:47 +05:30
next {"contentHtml" => content_html,
"commentCount" => comments["commentCount"]}.to_json
2018-08-05 02:00:44 +05:30
end
elsif source == "reddit"
client = make_client(REDDIT_URL)
headers = HTTP::Headers{"User-Agent" => "web:invidio.us:v0.2.0 (by /u/omarroth)"}
begin
comments, reddit_thread = get_reddit_comments(id, client, headers)
content_html = template_reddit_comments(comments)
2018-08-05 02:00:44 +05:30
content_html = fill_links(content_html, "https", "www.reddit.com")
content_html = add_alt_links(content_html)
rescue ex
reddit_thread = nil
content_html = ""
end
2018-07-16 21:54:24 +05:30
2018-08-05 02:00:44 +05:30
if !reddit_thread
halt env, status_code: 404
end
2018-08-05 02:00:44 +05:30
env.response.content_type = "application/json"
2018-08-17 19:55:47 +05:30
next {"title" => reddit_thread.title,
"permalink" => reddit_thread.permalink,
"contentHtml" => content_html}.to_json
2018-08-05 02:00:44 +05:30
end
end
2018-08-05 02:00:44 +05:30
get "/api/v1/videos/:id" do |env|
id = env.params.url["id"]
2018-08-05 02:00:44 +05:30
begin
video = get_video(id, PG_DB)
rescue ex
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env.response.content_type = "application/json"
response = {"error" => ex.message}.to_json
halt env, status_code: 500, response: response
2018-08-05 02:00:44 +05:30
end
2018-08-05 09:37:38 +05:30
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
2018-08-05 09:37:38 +05:30
captions = video.captions
2018-08-05 02:00:44 +05:30
env.response.content_type = "application/json"
video_info = JSON.build do |json|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
2018-08-10 19:20:25 +05:30
generate_thumbnails(json, video.id)
2018-08-05 02:00:44 +05:30
end
2018-07-16 21:54:24 +05:30
description = html_to_description(video.description)
2018-07-06 06:18:55 +05:30
json.field "description", description
2018-08-05 02:00:44 +05:30
json.field "descriptionHtml", video.description
json.field "published", video.published.epoch
json.field "keywords" do
json.array do
video.info["keywords"].split(",").each { |keyword| json.string keyword }
end
end
2018-08-05 02:00:44 +05:30
json.field "viewCount", video.views
json.field "likeCount", video.likes
json.field "dislikeCount", video.dislikes
2018-08-05 02:00:44 +05:30
json.field "isFamilyFriendly", video.is_family_friendly
json.field "allowedRegions", video.allowed_regions
json.field "genre", video.genre
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
2018-07-06 06:18:55 +05:30
2018-08-05 02:00:44 +05:30
json.field "lengthSeconds", video.info["length_seconds"].to_i
if video.info["allow_ratings"]?
json.field "allowRatings", video.info["allow_ratings"] == "1"
else
json.field "allowRatings", false
end
json.field "rating", video.info["avg_rating"].to_f32
2018-08-05 02:00:44 +05:30
if video.info["is_listed"]?
json.field "isListed", video.info["is_listed"] == "1"
end
2018-08-07 23:06:55 +05:30
if video.info["hlsvp"]?
host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
host_params = env.request.query_params
host_params.delete_all("v")
hlsvp = video.info["hlsvp"]
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
2018-08-08 01:15:37 +05:30
json.field "hlsUrl", hlsvp
2018-08-07 23:06:55 +05:30
end
2018-08-01 10:26:17 +05:30
2018-08-05 02:00:44 +05:30
json.field "adaptiveFormats" do
json.array do
2018-08-12 19:54:59 +05:30
adaptive_fmts.each do |fmt|
2018-08-05 02:00:44 +05:30
json.object do
2018-08-12 19:54:59 +05:30
json.field "index", fmt["index"]
json.field "bitrate", fmt["bitrate"]
json.field "init", fmt["init"]
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "clen", fmt["clen"]
json.field "lmt", fmt["lmt"]
json.field "projectionType", fmt["projection_type"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
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if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
2018-08-05 02:00:44 +05:30
json.field "formatStreams" do
json.array do
fmt_stream.each do |fmt|
json.object do
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
2018-08-12 19:54:59 +05:30
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
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if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
2018-08-12 19:54:59 +05:30
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
2018-08-12 19:54:59 +05:30
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
2018-08-05 02:00:44 +05:30
end
end
end
end
end
2018-08-05 02:00:44 +05:30
end
2018-08-05 02:00:44 +05:30
json.field "captions" do
json.array do
captions.each do |caption|
json.object do
2018-08-07 04:55:25 +05:30
json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
2018-08-05 02:00:44 +05:30
end
end
end
2018-08-05 02:00:44 +05:30
end
2018-08-05 02:00:44 +05:30
json.field "recommendedVideos" do
json.array do
2018-08-13 21:20:09 +05:30
video.info["rvs"]?.try &.split(",").each do |rv|
2018-08-05 02:00:44 +05:30
rv = HTTP::Params.parse(rv)
2018-08-05 02:00:44 +05:30
if rv["id"]?
json.object do
json.field "videoId", rv["id"]
json.field "title", rv["title"]
json.field "videoThumbnails" do
2018-08-10 19:20:25 +05:30
generate_thumbnails(json, rv["id"])
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end
json.field "author", rv["author"]
2018-08-05 22:48:14 +05:30
json.field "lengthSeconds", rv["length_seconds"].to_i
2018-08-05 02:00:44 +05:30
json.field "viewCountText", rv["short_view_count_text"].rchop(" views")
end
end
end
end
2018-08-05 02:00:44 +05:30
end
end
end
2018-08-05 02:00:44 +05:30
video_info
end
2018-08-05 02:00:44 +05:30
get "/api/v1/trending" do |env|
client = make_client(YT_URL)
trending = client.get("/feed/trending?disable_polymer=1").body
trending = XML.parse_html(trending)
videos = JSON.build do |json|
json.array do
nodeset = trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"]))
extract_videos(nodeset).each do |video|
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json.object do
json.field "title", video.title
json.field "videoId", video.id
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json.field "videoThumbnails" do
generate_thumbnails(json, video.id)
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end
json.field "lengthSeconds", video.length_seconds
json.field "viewCount", video.views
json.field "author", video.author
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.epoch
json.field "description", video.description
json.field "descriptionHtml", video.description_html
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end
end
end
end
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env.response.content_type = "application/json"
videos
end
get "/api/v1/top" do |env|
videos = JSON.build do |json|
json.array do
top_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
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generate_thumbnails(json, video.id)
end
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json.field "lengthSeconds", video.info["length_seconds"].to_i
json.field "viewCount", video.views
json.field "author", video.author
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.epoch
description = video.description.gsub("<br>", "\n")
description = description.gsub("<br/>", "\n")
description = XML.parse_html(description)
json.field "description", description.content
json.field "descriptionHtml", video.description
end
end
end
end
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env.response.content_type = "application/json"
videos
end
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get "/api/v1/channels/:ucid" do |env|
ucid = env.params.url["ucid"]
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client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}")
rss = XML.parse_html(rss.body)
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ucid = rss.xpath_node("//feed/channelid")
if !ucid
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env.response.content_type = "application/json"
next {"error" => "User does not exist"}.to_json
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end
ucid = ucid.content
next env.redirect "/api/v1/channels/#{ucid}"
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end
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channel = get_channel(ucid, client, PG_DB, pull_all_videos: false)
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# TODO: Integrate this into `get_channel` function
# We can't get everything from RSS feed, so we get it from the channel page
channel_html = client.get("/channel/#{ucid}/about?disable_polymer=1").body
channel_html = XML.parse_html(channel_html)
banner = channel_html.xpath_node(%q(//div[@id="gh-banner"]/style)).not_nil!.content
banner = "https:" + banner.match(/background-image: url\((?<url>[^)]+)\)/).not_nil!["url"]
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author_url = channel_html.xpath_node(%q(//a[@class="channel-header-profile-image-container spf-link"])).not_nil!["href"]
author_thumbnail = channel_html.xpath_node(%q(//img[@class="channel-header-profile-image"])).not_nil!["src"]
description = channel_html.xpath_node(%q(//meta[@itemprop="description"])).not_nil!["content"]
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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(",")
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sub_count, total_views, joined = channel_html.xpath_nodes(%q(//span[@class="about-stat"]))
sub_count = sub_count.content.rchop(" subscribers").delete(",").to_i64
total_views = total_views.content.rchop(" views").lchop("").delete(",").to_i64
joined = Time.parse(joined.content.lchop("Joined "), "%b %-d, %Y", Time::Location.local)
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latest_videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid = $1 ORDER BY published DESC LIMIT 15",
channel.id, as: ChannelVideo)
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channel_info = JSON.build do |json|
json.object do
json.field "author", channel.author
json.field "authorId", channel.id
json.field "authorUrl", author_url
json.field "authorBanners" do
json.array do
qualities = [{width: 2560, height: 424},
{width: 2120, height: 351},
{width: 1060, height: 175}]
qualities.each do |quality|
json.object do
json.field "url", banner.gsub("=w1060", "=w#{quality[:width]}")
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
json.object do
json.field "url", banner.rchop("=w1060-fcrop64=1,00005a57ffffa5a8-nd-c0xffffffff-rj-k-no")
json.field "width", 512
json.field "height", 288
end
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end
end
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json.field "authorThumbnails" do
json.array do
qualities = [32, 48, 76, 100, 512]
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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
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end
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end
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json.field "subCount", sub_count
json.field "totalViews", total_views
json.field "joined", joined.epoch
json.field "paid", paid
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json.field "isFamilyFriendly", is_family_friendly
json.field "description", description
json.field "allowedRegions", allowed_regions
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json.field "latestVideos" do
json.array do
latest_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "published", video.published.epoch
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json.field "videoThumbnails" do
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generate_thumbnails(json, video.id)
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end
end
end
end
end
end
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end
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env.response.content_type = "application/json"
channel_info
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end
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get "/api/v1/channels/:ucid/videos" do |env|
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ucid = env.params.url["ucid"]
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page = env.params.query["page"]?.try &.to_i?
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page ||= 1
client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}")
rss = XML.parse_html(rss.body)
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ucid = rss.xpath_node("//feed/channelid")
if !ucid
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env.response.content_type = "application/json"
next {"error" => "User does not exist"}.to_json
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end
ucid = ucid.content
url = "/api/v1/channels/#{ucid}/videos"
if env.params.query
url += "?#{env.params.query}"
end
next env.redirect url
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end
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url = produce_videos_url(ucid, page)
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response = client.get(url)
json = JSON.parse(response.body)
if !json["content_html"]?
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env.response.content_type = "application/json"
if response.status_code == 500
response = {"Error" => "Channel does not exist"}.to_json
halt env, status_code: 404, response: response
else
next Array(String).new.to_json
end
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end
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content_html = json["content_html"].as_s
if content_html.empty?
env.response.content_type = "application/json"
next Hash(String, String).new.to_json
end
document = XML.parse_html(content_html)
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videos = JSON.build do |json|
json.array do
nodeset = document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")]))
extract_videos(nodeset, ucid).each do |video|
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json.object do
json.field "title", video.title
json.field "videoId", video.id
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json.field "videoThumbnails" do
generate_thumbnails(json, video.id)
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end
json.field "description", video.description
json.field "descriptionHtml", video.description_html
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json.field "viewCount", video.views
json.field "published", video.published.epoch
json.field "lengthSeconds", video.length_seconds
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end
end
end
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end
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env.response.content_type = "application/json"
videos
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end
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get "/api/v1/search" do |env|
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query = env.params.query["q"]?
query ||= ""
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
sort_by = env.params.query["sort_by"]?.try &.downcase
sort_by ||= "relevance"
date = env.params.query["date"]?.try &.downcase
date ||= ""
duration = env.params.query["date"]?.try &.downcase
duration ||= ""
features = env.params.query["features"]?.try &.split(",").map { |feature| feature.downcase }
features ||= [] of String
# TODO: Support other content types
content_type = "video"
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env.response.content_type = "application/json"
begin
search_params = build_search_params(sort_by, date, content_type, duration, features)
rescue ex
next JSON.build do |json|
json.object do
json.field "error", ex.message
end
end
end
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response = JSON.build do |json|
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json.array do
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search_results = search(query, page, search_params)
search_results.each do |video|
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json.object do
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json.field "title", video.title
json.field "videoId", video.id
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json.field "author", video.author
json.field "authorUrl", "/channel/#{video.ucid}"
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json.field "videoThumbnails" do
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generate_thumbnails(json, video.id)
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end
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json.field "description", video.description
json.field "descriptionHtml", video.description_html
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json.field "viewCount", video.views
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json.field "published", video.published.epoch
json.field "lengthSeconds", video.length_seconds
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end
end
end
end
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response
end
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get "/api/v1/playlists/:plid" do |env|
plid = env.params.url["plid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
begin
videos = extract_playlist(plid, page)
rescue ex
env.response.content_type = "application/json"
response = {"error" => "Playlist is empty"}.to_json
halt env, status_code: 404, response: response
end
playlist = fetch_playlist(plid)
response = JSON.build do |json|
json.object do
json.field "title", playlist.title
json.field "id", playlist.id
json.field "author", playlist.author
json.field "authorId", playlist.ucid
json.field "authorUrl", "/channel/#{playlist.ucid}"
json.field "description", playlist.description
json.field "videoCount", playlist.video_count
json.field "viewCount", playlist.views
json.field "updated", playlist.updated.epoch
json.field "videos" do
json.array do
videos.each do |video|
json.object do
json.field "title", video.title
json.field "id", video.id
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "videoThumbnails" do
generate_thumbnails(json, video.id)
end
json.field "index", video.index
json.field "lengthSeconds", video.length_seconds
end
end
end
end
end
end
env.response.content_type = "application/json"
response
end
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get "/api/manifest/dash/id/videoplayback" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.redirect "/videoplayback?#{env.params.query}"
end
get "/api/manifest/dash/id/videoplayback/*" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.redirect env.request.path.lchop("/api/manifest/dash/id")
end
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get "/api/manifest/dash/id/:id" do |env|
env.response.headers.add("Access-Control-Allow-Origin", "*")
env.response.content_type = "application/dash+xml"
local = env.params.query["local"]?.try &.== "true"
id = env.params.url["id"]
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB)
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rescue ex
halt env, status_code: 403
end
if video.info["dashmpd"]?
manifest = client.get(video.info["dashmpd"]).body
manifest = manifest.gsub(/<BaseURL>[^<]+<\/BaseURL>/) do |baseurl|
url = baseurl.lchop("<BaseURL>")
url = url.rchop("</BaseURL>")
if local
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url = URI.parse(url).full_path.lchop("/")
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end
"<BaseURL>#{url}</BaseURL>"
end
next manifest
end
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adaptive_fmts = video.adaptive_fmts(decrypt_function)
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if local
adaptive_fmts.each do |fmt|
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fmt["url"] = URI.parse(fmt["url"]).full_path.lchop("/")
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end
end
video_streams = video.video_streams(adaptive_fmts).select { |stream| stream["type"].starts_with? "video/mp4" }
audio_streams = video.audio_streams(adaptive_fmts).select { |stream| stream["type"].starts_with? "audio/mp4" }
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manifest = XML.build(indent: " ", encoding: "UTF-8") do |xml|
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xml.element("MPD", "xmlns": "urn:mpeg:dash:schema:mpd:2011",
"profiles": "urn:mpeg:dash:profile:isoff-live:2011", minBufferTime: "PT1.5S", type: "static",
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mediaPresentationDuration: "PT#{video.info["length_seconds"]}S") do
xml.element("Period") do
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xml.element("AdaptationSet", mimeType: "audio/mp4", startWithSAP: 1, subsegmentAlignment: true) do
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audio_streams.each do |fmt|
mimetype = fmt["type"].split(";")[0]
codecs = fmt["type"].split("codecs=")[1].strip('"')
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fmt_type = mimetype.split("/")[0]
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bandwidth = fmt["bitrate"]
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itag = fmt["itag"]
url = fmt["url"]
xml.element("Representation", id: fmt["itag"], codecs: codecs, bandwidth: bandwidth) do
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xml.element("AudioChannelConfiguration", schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011",
value: "2")
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xml.element("BaseURL") { xml.text url }
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xml.element("SegmentBase", indexRange: fmt["index"]) do
xml.element("Initialization", range: fmt["init"])
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end
end
end
end
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xml.element("AdaptationSet", mimeType: "video/mp4", startWithSAP: 1, subsegmentAlignment: true,
scanType: "progressive") do
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video_streams.each do |fmt|
mimetype = fmt["type"].split(";")
codecs = fmt["type"].split("codecs=")[1].strip('"')
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bandwidth = fmt["bitrate"]
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itag = fmt["itag"]
url = fmt["url"]
height, width = fmt["size"].split("x")
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xml.element("Representation", id: itag, codecs: codecs, width: width, height: height,
startWithSAP: "1", maxPlayoutRate: "1",
bandwidth: bandwidth, frameRate: fmt["fps"]) do
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xml.element("BaseURL") { xml.text url }
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xml.element("SegmentBase", indexRange: fmt["index"]) do
xml.element("Initialization", range: fmt["init"])
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end
end
end
end
end
end
end
manifest = manifest.gsub(%(<?xml version="1.0" encoding="UTF-8U"?>), %(<?xml version="1.0" encoding="UTF-8"?>))
manifest = manifest.gsub(%(<?xml version="1.0" encoding="UTF-8V"?>), %(<?xml version="1.0" encoding="UTF-8"?>))
manifest
end
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get "/api/manifest/hls_variant/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
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halt env, status_code: manifest.status_code
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end
env.response.content_type = "application/x-mpegURL"
env.response.headers.add("Access-Control-Allow-Origin", "*")
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"])
manifest = manifest.body
manifest.gsub("https://www.youtube.com", host_url)
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end
get "/api/manifest/hls_playlist/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
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halt env, status_code: manifest.status_code
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end
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"])
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manifest = manifest.body.gsub("https://www.youtube.com", host_url)
manifest = manifest.gsub(/https:\/\/r\d---.{11}\.c\.youtube\.com/, host_url)
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fvip = manifest.match(/hls_chunk_host\/r(?<fvip>\d)---/).not_nil!["fvip"]
manifest = manifest.gsub("seg.ts", "seg.ts/fvip/#{fvip}")
env.response.content_type = "application/x-mpegURL"
env.response.headers.add("Access-Control-Allow-Origin", "*")
manifest
end
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options "/videoplayback" do |env|
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
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end
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options "/videoplayback/*" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
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end
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options "/api/manifest/dash/id/videoplayback" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
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end
options "/api/manifest/dash/id/videoplayback/*" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
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end
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get "/videoplayback/*" do |env|
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path = env.request.path
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path = path.lchop("/videoplayback/")
path = path.rchop("/")
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path = path.gsub(/mime\/\w+\/\w+/) do |mimetype|
mimetype = mimetype.split("/")
mimetype[0] + "/" + mimetype[1] + "%2F" + mimetype[2]
end
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path = path.split("/")
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raw_params = {} of String => Array(String)
path.each_slice(2) do |pair|
key, value = pair
value = URI.unescape(value)
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if raw_params[key]?
raw_params[key] << value
else
raw_params[key] = [value]
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end
end
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query_params = HTTP::Params.new(raw_params)
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.redirect "/videoplayback?#{query_params}"
end
get "/videoplayback" do |env|
query_params = env.params.query
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fvip = query_params["fvip"]
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mn = query_params["mn"].split(",")[-1]
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host = "https://r#{fvip}---#{mn}.googlevideo.com"
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url = "/videoplayback?#{query_params.to_s}"
client = make_client(URI.parse(host))
response = client.head(url)
headers = env.request.headers
headers.delete("Host")
headers.delete("Cookie")
headers.delete("User-Agent")
headers.delete("Referer")
client.get(url, headers) do |response|
if response.headers["Location"]?
url = URI.parse(response.headers["Location"])
env.response.headers["Access-Control-Allow-Origin"] = "*"
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env.redirect url.full_path
else
env.response.status_code = response.status_code
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response.headers.each do |key, value|
env.response.headers[key] = value
end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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begin
chunk_size = 4096
size = 1
while size > 0
size = IO.copy(response.body_io, env.response.output, chunk_size)
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env.response.flush
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Fiber.yield
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end
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rescue ex
break
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end
end
end
end
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error 404 do |env|
error_message = "404 Page not found"
templated "error"
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end
error 500 do |env|
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error_message = "500 Server error"
templated "error"
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end
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# Add redirect if SSL is enabled
if Kemal.config.ssl
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spawn do
server = HTTP::Server.new do |context|
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redirect_url = "https://#{context.request.host}#{context.request.path}"
if context.request.query
redirect_url += "?#{context.request.query}"
end
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context.response.headers.add("Location", redirect_url)
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context.response.status_code = 301
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end
server.bind_tcp "0.0.0.0", 80
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server.listen
end
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before_all do |env|
env.response.headers.add("Strict-Transport-Security", "max-age=31536000; includeSubDomains; preload")
end
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end
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static_headers do |response, filepath, filestat|
response.headers.add("Cache-Control", "max-age=86400")
end
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public_folder "assets"
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Kemal.config.powered_by_header = false
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add_handler FilteredCompressHandler.new
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add_context_storage_type(User)
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Kemal.run