# "Invidious" (which is what YouTube should be)
# Copyright (C) 2018 Omar Roth
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see .
require "crypto/bcrypt/password"
require "detect_language"
require "kemal"
require "openssl/hmac"
require "option_parser"
require "pg"
require "xml"
require "yaml"
require "zip"
require "./invidious/helpers/*"
require "./invidious/*"
CONFIG = Config.from_yaml(File.read("config/config.yml"))
HMAC_KEY = CONFIG.hmac_key || Random::Secure.random_bytes(32)
crawl_threads = CONFIG.crawl_threads
channel_threads = CONFIG.channel_threads
video_threads = CONFIG.video_threads
Kemal.config.extra_options do |parser|
parser.banner = "Usage: invidious [arguments]"
parser.on("-t THREADS", "--crawl-threads=THREADS", "Number of threads for crawling (default: #{crawl_threads})") do |number|
begin
crawl_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{channel_threads})") do |number|
begin
channel_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-v THREADS", "--video-threads=THREADS", "Number of threads for refreshing videos (default: #{video_threads})") do |number|
begin
video_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
end
Kemal::CLI.new
PG_URL = URI.new(
scheme: "postgres",
user: CONFIG.db[:user],
password: CONFIG.db[:password],
host: CONFIG.db[:host],
port: CONFIG.db[:port],
path: CONFIG.db[:dbname],
)
PG_DB = DB.open PG_URL
YT_URL = URI.parse("https://www.youtube.com")
REDDIT_URL = URI.parse("https://www.reddit.com")
LOGIN_URL = URI.parse("https://accounts.google.com")
crawl_threads.times do
spawn do
crawl_videos(PG_DB)
end
end
channel_threads.times do |i|
spawn do
refresh_channels(PG_DB)
end
end
video_threads.times do |i|
spawn do
refresh_videos(PG_DB)
end
end
top_videos = [] of Video
spawn do
pull_top_videos(CONFIG, PG_DB) do |videos|
top_videos = videos
end
end
decrypt_function = [] of {name: String, value: Int32}
spawn do
update_decrypt_function do |function|
decrypt_function = function
end
end
before_all do |env|
if env.request.cookies.has_key? "SID"
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
sid = env.request.cookies["SID"].value
# Invidious users only have SID
if !env.request.cookies.has_key? "SSID"
user = PG_DB.query_one?("SELECT * FROM users WHERE id = $1", sid, as: User)
if user
env.set "user", user
end
else
begin
client = make_client(YT_URL)
user = get_user(sid, client, headers, PG_DB, false)
env.set "user", user
rescue ex
end
end
end
end
get "/" do |env|
user = env.get? "user"
if user
user = user.as(User)
if user.preferences.redirect_feed
env.redirect "/feed/subscriptions"
end
end
templated "index"
end
# Videos
get "/:id" do |env|
id = env.params.url["id"]
if md = id.match(/[a-zA-Z0-9_-]{11}/)
params = [] of String
env.params.query.each do |k, v|
params << "#{k}=#{v}"
end
params = params.join("&")
url = "/watch?v=#{id}"
if !params.empty?
url += "&#{params}"
end
env.redirect url
else
env.response.status_code = 404
end
end
get "/watch" do |env|
if env.params.query["v"]?
id = env.params.query["v"]
if id.size > 11
next env.redirect "/watch?v=#{id[0, 11]}"
end
else
next env.redirect "/"
end
user = env.get? "user"
if user
user = user.as(User)
if !user.watched.includes? id
PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE id = $2", [id], user.id)
end
preferences = user.preferences
subscriptions = user.subscriptions.as(Array(String))
end
subscriptions ||= [] of String
autoplay = env.params.query["autoplay"]?.try &.to_i?
video_loop = env.params.query["loop"]?.try &.to_i?
if preferences
autoplay ||= preferences.autoplay.to_unsafe
video_loop ||= preferences.video_loop.to_unsafe
end
autoplay ||= 0
video_loop ||= 0
autoplay = autoplay == 1
video_loop = video_loop == 1
if env.params.query["start"]?
video_start = decode_time(env.params.query["start"])
end
if env.params.query["t"]?
video_start = decode_time(env.params.query["t"])
end
video_start ||= 0
if env.params.query["end"]?
video_end = decode_time(env.params.query["end"])
end
video_end ||= -1
if env.params.query["listen"]? && (env.params.query["listen"] == "true" || env.params.query["listen"] == "1")
listen = true
env.params.query.delete_all("listen")
end
listen ||= false
begin
video = get_video(id, PG_DB)
rescue ex
error_message = ex.message
STDOUT << id << " : " << ex.message << "\n"
next templated "error"
end
fmt_stream = [] of HTTP::Params
video.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
fmt_stream << HTTP::Params.parse(string)
end
end
fmt_stream.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") }
fmt_stream = fmt_stream.uniq { |s| s["label"] }
adaptive_fmts = [] of HTTP::Params
if video.info.has_key?("adaptive_fmts")
video.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
end
if fmt_stream[0]? && fmt_stream[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
fmt_stream.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
audio_streams.each do |stream|
stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
end
player_response = JSON.parse(video.info["player_response"])
if player_response["captions"]?
captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
end
captions ||= [] of JSON::Any
if video.info["hlsvp"]?
hlsvp = video.info["hlsvp"]
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
url = "#{scheme}#{host}"
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", url)
end
rvs = [] of Hash(String, String)
if video.info.has_key?("rvs")
video.info["rvs"].split(",").each do |rv|
rvs << HTTP::Params.parse(rv).to_h
end
end
rating = video.info["avg_rating"].to_f64
engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100)
if video.likes > 0 || video.dislikes > 0
calculated_rating = (video.likes.to_f/(video.likes.to_f + video.dislikes.to_f) * 4 + 1)
end
calculated_rating ||= 0.0
if video.info["ad_slots"]?
ad_slots = video.info["ad_slots"].split(",")
ad_slots = ad_slots.join(", ")
end
if video.info["enabled_engage_types"]?
engage_types = video.info["enabled_engage_types"].split(",")
engage_types = engage_types.join(", ")
end
if video.info["ad_tag"]?
ad_tag = URI.parse(video.info["ad_tag"])
ad_query = HTTP::Params.parse(ad_tag.query.not_nil!)
ad_category = URI.unescape(ad_query["iu"])
ad_category = ad_category.lstrip("/4061/").split(".")[-1]
ad_query = HTTP::Params.parse(ad_query["scp"])
k2 = URI.unescape(ad_query["k2"]).split(",")
k2 = k2.join(", ")
end
video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = add_alt_links(video.description)
description = video.description.gsub("
", " ")
description = description.gsub("
", " ")
description = XML.parse_html(description).content[0..200].gsub('"', """).gsub("\n", " ").strip(" ")
if description.empty?
description = " "
end
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
host_url = "#{scheme}#{host}"
host_params = env.request.query_params
host_params.delete_all("v")
if fmt_stream.select { |x| x["label"].starts_with? "hd720" }.size != 0
thumbnail = "https://i.ytimg.com/vi/#{video.id}/maxresdefault.jpg"
else
thumbnail = "https://i.ytimg.com/vi/#{video.id}/hqdefault.jpg"
end
templated "watch"
end
get "/embed/:id" do |env|
if env.params.url["id"]?
id = env.params.url["id"]
if id.size > 11
next env.redirect "/embed/#{id[0, 11]}"
end
else
next env.redirect "/"
end
if env.params.query["start"]?
video_start = decode_time(env.params.query["start"])
end
if env.params.query["t"]?
video_start = decode_time(env.params.query["t"])
end
video_start ||= 0
if env.params.query["end"]?
video_end = decode_time(env.params.query["end"])
end
video_end ||= -1
if env.params.query["listen"]? && (env.params.query["listen"] == "true" || env.params.query["listen"] == "1")
listen = true
env.params.query.delete_all("listen")
end
listen ||= false
raw = env.params.query["raw"]?.try &.to_i?
raw ||= 0
raw = raw == 1
quality = env.params.query["quality"]?
quality ||= "hd720"
autoplay = env.params.query["autoplay"]?.try &.to_i?
autoplay ||= 0
autoplay = autoplay == 1
controls = env.params.query["controls"]?.try &.to_i?
controls ||= 1
controls = controls == 1
video_loop = env.params.query["loop"]?.try &.to_i?
video_loop ||= 0
video_loop = video_loop == 1
begin
video = get_video(id, PG_DB)
rescue ex
error_message = ex.message
next templated "error"
end
player_response = JSON.parse(video.info["player_response"])
if player_response["captions"]?
captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
end
captions ||= [] of JSON::Any
if video.info["hlsvp"]?
hlsvp = video.info["hlsvp"]
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
url = "#{scheme}#{host}"
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", url)
end
fmt_stream = [] of HTTP::Params
video.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
fmt_stream << HTTP::Params.parse(string)
end
end
fmt_stream.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") }
fmt_stream = fmt_stream.uniq { |s| s["label"] }
adaptive_fmts = [] of HTTP::Params
if video.info.has_key?("adaptive_fmts")
video.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
fmt_stream.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
audio_streams.each do |stream|
stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
end
if raw
url = fmt_stream[0]["url"]
fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == quality
url = fmt["url"]
end
end
next env.redirect url
end
video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = add_alt_links(video.description)
description = video.description.gsub("
", " ")
description = description.gsub("
", " ")
description = XML.parse_html(description).content[0..200].gsub('"', """).gsub("\n", " ").strip(" ")
if description.empty?
description = " "
end
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
host_url = "#{scheme}#{host}"
host_params = env.request.query_params
host_params.delete_all("v")
if fmt_stream.select { |x| x["label"].starts_with? "hd720" }.size != 0
thumbnail = "https://i.ytimg.com/vi/#{video.id}/maxresdefault.jpg"
else
thumbnail = "https://i.ytimg.com/vi/#{video.id}/hqdefault.jpg"
end
rendered "embed"
end
# Search
get "/results" do |env|
search_query = env.params.query["search_query"]?
if search_query
env.redirect "/search?q=#{URI.escape(search_query)}"
else
env.redirect "/"
end
end
get "/search" do |env|
if env.params.query["q"]?
query = env.params.query["q"]
else
next env.redirect "/"
end
page = env.params.query["page"]?.try &.to_i?
page ||= 1
videos = search(query, page)
templated "search"
end
# Users
get "/login" do |env|
user = env.get? "user"
if user
next env.redirect "/feed/subscriptions"
end
referer = env.request.headers["referer"]?
referer ||= "/feed/subscriptions"
account_type = env.params.query["type"]?
account_type ||= "invidious"
if account_type == "invidious"
captcha = generate_captcha(HMAC_KEY)
end
tfa = env.params.query["tfa"]?
tfa ||= false
if referer.ends_with? "/login"
referer = "/feed/subscriptions"
end
if referer.size > 64
referer = "/feed/subscriptions"
end
templated "login"
end
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79
post "/login" do |env|
referer = env.params.query["referer"]?
referer ||= "/feed/subscriptions"
email = env.params.body["email"]?
password = env.params.body["password"]?
account_type = env.params.query["type"]?
account_type ||= "google"
if account_type == "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
begin
client = make_client(LOGIN_URL)
headers = HTTP::Headers.new
headers["Content-Type"] = "application/x-www-form-urlencoded;charset=utf-8"
headers["Google-Accounts-XSRF"] = "1"
login_page = client.get("/ServiceLogin")
headers = login_page.cookies.add_request_headers(headers)
login_page = XML.parse_html(login_page.body)
inputs = {} of String => String
login_page.xpath_nodes(%q(//input[@type="submit"])).each do |node|
name = node["id"]? || node["name"]?
name ||= ""
value = node["value"]?
value ||= ""
if name != "" && value != ""
inputs[name] = value
end
end
login_page.xpath_nodes(%q(//input[@type="hidden"])).each do |node|
name = node["id"]? || node["name"]?
name ||= ""
value = node["value"]?
value ||= ""
if name != "" && value != ""
inputs[name] = value
end
end
lookup_req = %(["#{email}",null,[],null,"US",null,null,2,false,true,[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true],"#{email}"])
lookup_results = client.post("/_/signin/sl/lookup", headers, login_req(inputs, lookup_req))
headers = lookup_results.cookies.add_request_headers(headers)
lookup_results = lookup_results.body
lookup_results = lookup_results[5..-1]
lookup_results = JSON.parse(lookup_results)
user_hash = lookup_results[0][2]
challenge_req = %(["#{user_hash}",null,1,null,[1,null,null,null,["#{password}",null,true]],[null,null,[2,1,null,1,"https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount",null,[],4,[]],1,[null,null,[]],null,null,null,true]])
challenge_results = client.post("/_/signin/sl/challenge", headers, login_req(inputs, challenge_req))
headers = challenge_results.cookies.add_request_headers(headers)
challenge_results = challenge_results.body
challenge_results = challenge_results[5..-1]
challenge_results = JSON.parse(challenge_results)
headers["Cookie"] = URI.unescape(headers["Cookie"])
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
error_message = "Incorrect password"
next templated "error"
end
if challenge_results[0][-1][0].as_a?
# Prefer Authenticator app and SMS over unsupported protocols
if challenge_results[0][-1][0][0][8] != 6 || challenge_results[0][-1][0][0][8] != 9
tfa = challenge_results[0][-1][0].as_a.select { |auth_type| auth_type[8] == 6 || auth_type[8] == 9 }[0]
select_challenge = "[#{challenge_results[0][-1][0].as_a.index(tfa).not_nil!}]"
tl = challenge_results[1][2]
tfa = client.post("/_/signin/selectchallenge?TL=#{tl}", headers, login_req(inputs, select_challenge)).body
tfa = tfa[5..-1]
tfa = JSON.parse(tfa)[0][-1]
else
tfa = challenge_results[0][-1][0][0]
end
if tfa[2] == "TWO_STEP_VERIFICATION"
if tfa[5] == "QUOTA_EXCEEDED"
error_message = "Quota exceeded, try again in a few hours"
next templated "error"
end
if !tfa_code
next env.redirect "/login?tfa=true&type=google"
end
tl = challenge_results[1][2]
request_type = tfa[8]
case request_type
when 6
# Authenticator app
tfa_req = %(["#{user_hash}",null,2,null,[6,null,null,null,null,["#{tfa_code}",false]]])
when 9
# Voice or text message
tfa_req = %(["#{user_hash}",null,2,null,[9,null,null,null,null,null,null,null,[null,"#{tfa_code}",false,2]]])
else
error_message = "Unable to login, make sure two-factor authentication (Authenticator or SMS) is enabled."
next templated "error"
end
challenge_results = client.post("/_/signin/challenge?hl=en&TL=#{tl}", headers, login_req(inputs, tfa_req))
headers = challenge_results.cookies.add_request_headers(headers)
challenge_results = challenge_results.body
challenge_results = challenge_results[5..-1]
challenge_results = JSON.parse(challenge_results)
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
error_message = "Invalid TFA code"
next templated "error"
end
end
end
login_res = challenge_results[0][13][2].to_s
login = client.get(login_res, headers)
headers = login.cookies.add_request_headers(headers)
login = client.get(login.headers["Location"], headers)
headers = HTTP::Headers.new
headers = login.cookies.add_request_headers(headers)
sid = login.cookies["SID"].value
client = make_client(YT_URL)
user = get_user(sid, client, headers, PG_DB)
# We are now logged in
host = URI.parse(env.request.headers["Host"]).host
login.cookies.each do |cookie|
if Kemal.config.ssl || CONFIG.https_only
cookie.secure = true
else
cookie.secure = false
end
cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host)
cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "")
end
login.cookies.add_response_headers(env.response.headers)
env.redirect referer
rescue ex
error_message = "Login failed. This may be because two-factor authentication is not enabled on your account."
next templated "error"
end
elsif account_type == "invidious"
challenge_response = env.params.body["challenge_response"]?
token = env.params.body["token"]?
action = env.params.body["action"]?
action ||= "signin"
if !email
error_message = "User ID is a required field"
next templated "error"
end
if !password
error_message = "Password is a required field"
next templated "error"
end
if !challenge_response || !token
error_message = "CAPTCHA is a required field"
next templated "error"
end
challenge_response = challenge_response.lstrip('0')
if OpenSSL::HMAC.digest(:sha256, HMAC_KEY, challenge_response) == Base64.decode(token)
else
error_message = "Invalid CAPTCHA response"
next templated "error"
end
if action == "signin"
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User)
if !user
error_message = "Invalid username or password"
next templated "error"
end
if !user.password
error_message = "Please sign in using 'Sign in with Google'"
next templated "error"
end
if Crypto::Bcrypt::Password.new(user.password.not_nil!) == password
sid = Base64.encode(Random::Secure.random_bytes(50))
PG_DB.exec("UPDATE users SET id = $1 WHERE email = $2", sid, email)
if Kemal.config.ssl || CONFIG.https_only
secure = true
else
secure = false
end
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
error_message = "Invalid username or password"
next templated "error"
end
elsif action == "register"
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1 AND password IS NOT NULL", email, as: User)
if user
error_message = "Please sign in"
next templated "error"
end
sid = Base64.encode(Random::Secure.random_bytes(50))
user = create_user(sid, email, password)
user_array = user.to_a
user_array[5] = user_array[5].to_json
args = arg_array(user_array)
PG_DB.exec("INSERT INTO users VALUES (#{args})", user_array)
if Kemal.config.ssl || CONFIG.https_only
secure = true
else
secure = false
end
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
env.redirect referer
end
end
get "/signout" do |env|
referer = env.request.headers["referer"]?
referer ||= "/"
env.request.cookies.each do |cookie|
cookie.expires = Time.new(1990, 1, 1)
end
env.request.cookies.add_response_headers(env.response.headers)
env.redirect referer
end
get "/preferences" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/preferences"
if referer.size > 64
referer = "/preferences"
end
if user
user = user.as(User)
templated "preferences"
else
env.redirect referer
end
end
post "/preferences" do |env|
user = env.get? "user"
referer = env.params.query["referer"]?
referer ||= "/preferences"
if user
user = user.as(User)
video_loop = env.params.body["video_loop"]?.try &.as(String)
video_loop ||= "off"
video_loop = video_loop == "on"
autoplay = env.params.body["autoplay"]?.try &.as(String)
autoplay ||= "off"
autoplay = autoplay == "on"
speed = env.params.body["speed"]?.try &.as(String).to_f?
speed ||= 1.0
quality = env.params.body["quality"]?.try &.as(String)
quality ||= "hd720"
volume = env.params.body["volume"]?.try &.as(String).to_i?
volume ||= 100
comments = env.params.body["comments"]?
comments ||= "youtube"
redirect_feed = env.params.body["redirect_feed"]?.try &.as(String)
redirect_feed ||= "off"
redirect_feed = redirect_feed == "on"
dark_mode = env.params.body["dark_mode"]?.try &.as(String)
dark_mode ||= "off"
dark_mode = dark_mode == "on"
thin_mode = env.params.body["thin_mode"]?.try &.as(String)
thin_mode ||= "off"
thin_mode = thin_mode == "on"
max_results = env.params.body["max_results"]?.try &.as(String).to_i?
max_results ||= 40
sort = env.params.body["sort"]?.try &.as(String)
sort ||= "published"
latest_only = env.params.body["latest_only"]?.try &.as(String)
latest_only ||= "off"
latest_only = latest_only == "on"
unseen_only = env.params.body["unseen_only"]?.try &.as(String)
unseen_only ||= "off"
unseen_only = unseen_only == "on"
notifications_only = env.params.body["notifications_only"]?.try &.as(String)
notifications_only ||= "off"
notifications_only = notifications_only == "on"
preferences = {
"video_loop" => video_loop,
"autoplay" => autoplay,
"speed" => speed,
"quality" => quality,
"volume" => volume,
"comments" => comments,
"redirect_feed" => redirect_feed,
"dark_mode" => dark_mode,
"thin_mode" => thin_mode,
"max_results" => max_results,
"sort" => sort,
"latest_only" => latest_only,
"unseen_only" => unseen_only,
"notifications_only" => notifications_only,
}.to_json
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email)
end
env.redirect referer
end
# Function that is useful if you have multiple channels that don't have
# the bell dinged. Request parameters are fairly self-explanatory,
# receive_all_updates = true and receive_post_updates = true will ding all
# channels. Calling /modify_notifications without any arguments will
# request all notifications from all channels.
# /modify_notifications?receive_all_updates=false&receive_no_updates=false
# will "unding" all subscriptions.
get "/modify_notifications" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/"
if user
user = user.as(User)
channel_req = {} of String => String
channel_req["receive_all_updates"] = env.params.query["receive_all_updates"]? || "true"
channel_req["receive_no_updates"] = env.params.query["receive_no_updates"]? || ""
channel_req["receive_post_updates"] = env.params.query["receive_post_updates"]? || "true"
channel_req.reject! { |k, v| v != "true" && v != "false" }
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
client = make_client(YT_URL)
subs = client.get("/subscription_manager?disable_polymer=1", headers)
headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"]
match = subs.body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect referer
end
channel_req["session_token"] = session_token
headers["content-type"] = "application/x-www-form-urlencoded"
subs = XML.parse_html(subs.body)
subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel|
channel_id = channel.content.lstrip("/channel/").not_nil!
channel_req["channel_id"] = channel_id
client.post("/subscription_ajax?action_update_subscription_preferences=1", headers,
HTTP::Params.encode(channel_req)).body
end
end
env.redirect referer
end
get "/subscription_manager" do |env|
user = env.get? "user"
if !user
next env.redirect "/"
end
user = user.as(User)
if !user.password
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
client = make_client(YT_URL)
user = get_user(user.id, client, headers, PG_DB)
end
action_takeout = env.params.query["action_takeout"]?.try &.to_i?
action_takeout ||= 0
action_takeout = action_takeout == 1
format = env.params.query["format"]?
format ||= "rss"
client = make_client(YT_URL)
subscriptions = [] of InvidiousChannel
user.subscriptions.each do |ucid|
begin
subscriptions << get_channel(ucid, client, PG_DB, false)
rescue ex
next
end
end
subscriptions.sort_by! { |channel| channel.author.downcase }
if action_takeout
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
url = "#{scheme}#{host}"
if format == "json"
env.response.content_type = "application/json"
env.response.headers["content-disposition"] = "attachment"
next {
"subscriptions" => user.subscriptions,
"watch_history" => user.watched,
"preferences" => user.preferences,
}.to_json
else
env.response.content_type = "application/xml"
env.response.headers["content-disposition"] = "attachment"
export = XML.build do |xml|
xml.element("opml", version: "1.1") do
xml.element("body") do
if format == "newpipe"
title = "YouTube Subscriptions"
else
title = "Invidious Subscriptions"
end
xml.element("outline", text: title, title: title) do
subscriptions.each do |channel|
if format == "newpipe"
xmlUrl = "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel.id}"
else
xmlUrl = "#{url}/feed/channel/#{channel.id}"
end
xml.element("outline", text: channel.author, title: channel.author,
"type": "rss", xmlUrl: xmlUrl)
end
end
end
end
end
next export.gsub(%(\n), "")
end
end
templated "subscription_manager"
end
get "/data_control" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/"
if user
user = user.as(User)
templated "data_control"
else
env.redirect referer
end
end
post "/data_control" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/"
if user
user = user.as(User)
HTTP::FormData.parse(env.request) do |part|
body = part.body.gets_to_end
if body.empty?
next
end
case part.name
when "import_invidious"
body = JSON.parse(body)
body["subscriptions"].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)
begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
end
end
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
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_newpipe_subscriptions"
body = JSON.parse(body)
body["subscriptions"].as_a.each do |channel|
ucid = channel["url"].as_s.match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
if !user.subscriptions.includes? ucid
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_newpipe"
Zip::Reader.open(body) do |file|
file.each_entry do |entry|
if entry.filename == "newpipe.db"
# We do this because the SQLite driver cannot parse a database from an IO
# Currently: channel URLs can **only** be subscriptions, and
# video URLs can **only** be watch history, so this works okay for now.
db = entry.io.gets_to_end
db.scan(/youtube\.com\/watch\?v\=(?[a-zA-Z0-9_-]{11})/) do |md|
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
db.scan(/youtube\.com\/channel\/(?[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)
begin
client = make_client(YT_URL)
get_channel(ucid, client, PG_DB, false, false)
rescue ex
next
end
end
end
end
end
end
end
end
end
env.redirect referer
end
get "/subscription_ajax" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/"
if user
user = user.as(User)
if env.params.query["action_create_subscription_to_channel"]?
action = "action_create_subscription_to_channel"
elsif env.params.query["action_remove_subscriptions"]?
action = "action_remove_subscriptions"
else
next env.redirect referer
end
channel_id = env.params.query["c"]?
channel_id ||= ""
if !user.password
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
client = make_client(YT_URL)
subs = client.get("/subscription_manager?disable_polymer=1", headers)
headers["Cookie"] += "; " + subs.cookies.add_request_headers(headers)["Cookie"]
match = subs.body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect "/"
end
headers["content-type"] = "application/x-www-form-urlencoded"
post_req = {
"session_token" => session_token,
}
post_req = HTTP::Params.encode(post_req)
post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}"
# Update user
if client.post(post_url, headers, post_req).status_code == 200
sid = user.id
case action
when .starts_with? "action_create"
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid)
when .starts_with? "action_remove"
PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid)
end
end
else
sid = user.id
case action
when .starts_with? "action_create"
if !user.subscriptions.includes? channel_id
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE id = $2", channel_id, sid)
client = make_client(YT_URL)
get_channel(channel_id, client, PG_DB, false, false)
end
when .starts_with? "action_remove"
PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE id = $2", channel_id, sid)
end
end
end
env.redirect referer
end
get "/clear_watch_history" do |env|
user = env.get? "user"
referer = env.request.headers["referer"]?
referer ||= "/"
if user
user = user.as(User)
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"
if user
user = user.as(User)
preferences = user.preferences
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
if !user.password
client = make_client(YT_URL)
user = get_user(user.id, client, headers, PG_DB)
end
max_results = preferences.max_results
max_results ||= env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if max_results < 0
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
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)
videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
ORDER BY published DESC", notifications, as: ChannelVideo)
notifications = [] of ChannelVideo
videos.sort_by! { |video| video.published }.reverse!
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
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)
else
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)
end
videos.sort_by! { |video| video.published }.reverse!
else
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
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
case preferences.sort
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
# TODO: Add option to disable picking out notifications from regular feed
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
notifications = videos.select { |v| notifications.includes? v.id }
videos = videos - notifications
end
if !limit
videos = videos[0..max_results]
end
PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE id = $3", [] of String, Time.now,
user.id)
user.notifications = [] of String
env.set "user", user
templated "subscriptions"
else
env.redirect "/"
end
end
get "/feed/channel/:ucid" do |env|
ucid = env.params.url["ucid"]
client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}").body
rss = XML.parse_html(rss)
ucid = rss.xpath_node("//feed/channelid")
if ucid
ucid = ucid.content
else
env.response.content_type = "application/json"
next {"error" => "User does not exist"}.to_json
end
end
url = produce_videos_url(ucid)
response = client.get(url)
channel = get_channel(ucid, client, PG_DB, pull_all_videos: false)
json = JSON.parse(response.body)
if !json["content_html"]? || json["content_html"].as_s.empty?
error_message = "This channel does not exist or has no videos."
next templated "error"
end
content_html = json["content_html"].as_s
if content_html.empty?
halt env, status_code: 403
end
document = XML.parse_html(content_html)
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
path = env.request.path
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom") do
xml.element("link", rel: "self", href: "#{scheme}#{host}#{path}")
xml.element("id") { xml.text "yt:channel:#{ucid}" }
xml.element("yt:channelId") { xml.text ucid }
xml.element("title") { xml.text channel.author }
xml.element("link", rel: "alternate", href: "#{scheme}#{host}/channel/#{ucid}")
xml.element("author") do
xml.element("name") { xml.text channel.author }
xml.element("uri") { xml.text "#{scheme}#{host}/channel/#{ucid}" }
end
document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |node|
anchor = node.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a)).not_nil!
title = anchor.content.strip
video_id = anchor["href"].lchop("/watch?v=")
view_count = node.xpath_node(%q(.//div[@class="yt-lockup-meta"]/ul/li[2])).not_nil!
view_count = view_count.content.rchop(" views")
if view_count == "No"
view_count = 0
else
view_count = view_count.delete(",").to_i64
end
descriptionHtml = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
if !descriptionHtml
description = ""
descriptionHtml = ""
else
descriptionHtml = descriptionHtml.to_s
description = descriptionHtml.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description).content.strip("\n ")
end
published = node.xpath_node(%q(.//div[@class="yt-lockup-meta"]/ul/li[1]))
if !published
next
end
published = published.content
published = decode_date(published)
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 ucid }
xml.element("title") { xml.text title }
xml.element("link", rel: "alternate", href: "#{scheme}#{host}/watch?v=#{video_id}")
xml.element("author") do
xml.element("name") { xml.text channel.author }
xml.element("uri") { xml.text "#{scheme}#{host}/channel/#{ucid}" }
end
xml.element("published") { xml.text published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text title }
xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video_id}/hqdefault.jpg",
width: "480", height: "360")
xml.element("media:description") { xml.text description }
end
xml.element("media:community") do
xml.element("media:statistics", views: view_count)
end
end
end
end
end
env.response.content_type = "text/xml"
feed
end
get "/feed/private" do |env|
token = env.params.query["token"]?
if !token
halt env, status_code: 403
end
user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User)
if !user
halt env, status_code: 403
end
max_results = env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if max_results < 0
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
latest_only = env.params.query["latest_only"]?.try &.to_i?
latest_only ||= 0
latest_only = latest_only == 1
if latest_only
args = arg_array(user.subscriptions)
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE \
ucid IN (#{args}) ORDER BY ucid, published DESC", user.subscriptions, as: ChannelVideo)
videos.sort_by! { |video| video.published }.reverse!
else
args = arg_array(user.subscriptions, 3)
videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid IN (#{args}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", [limit, offset] + user.subscriptions, as: ChannelVideo)
end
sort = env.params.query["sort"]?
sort ||= "published"
case sort
when "alphabetically"
videos.sort_by! { |video| video.title }
when "reverse_alphabetically"
videos.sort_by! { |video| video.title }.reverse!
when "channel_name"
videos.sort_by! { |video| video.author }
when "reverse_channel_name"
videos.sort_by! { |video| video.author }.reverse!
end
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
if !limit
videos = videos[0..max_results]
end
host = env.request.headers["Host"]
path = env.request.path
query = env.request.query.not_nil!
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", xmlns: "http://www.w3.org/2005/Atom", "xmlns:media": "http://search.yahoo.com/mrss/",
"xml:lang": "en-US") do
xml.element("link", "type": "text/html", rel: "alternate", href: "#{scheme}#{host}/feed/subscriptions")
xml.element("link", "type": "application/atom+xml", rel: "self", href: "#{scheme}#{host}#{path}?#{query}")
xml.element("title") { xml.text "Invidious Private Feed for #{user.email}" }
videos.each do |video|
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
xml.element("yt:channelId") { xml.text video.ucid }
xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{scheme}#{host}/watch?v=#{video.id}")
xml.element("author") do
xml.element("name") { xml.text video.author }
xml.element("uri") { xml.text "#{scheme}#{host}/channel/#{video.ucid}" }
end
xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("updated") { xml.text video.updated.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/hqdefault.jpg",
width: "480", height: "360")
end
end
end
end
end
env.response.content_type = "application/atom+xml"
feed
end
# Channels
get "/user/:user" do |env|
user = env.params.url["user"]
env.redirect "/channel/#{user}"
end
get "/channel/:ucid" do |env|
user = env.get? "user"
if user
user = user.as(User)
subscriptions = user.subscriptions
end
subscriptions ||= [] of String
ucid = env.params.url["ucid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}").body
rss = XML.parse_html(rss)
ucid = rss.xpath_node("//feed/channelid")
if ucid
ucid = ucid.content
else
error_message = "User does not exist"
next templated "error"
end
env.redirect "/channel/#{ucid}"
end
url = produce_playlist_url(ucid, (page - 1) * 100)
response = client.get(url)
json = JSON.parse(response.body)
if !json["content_html"]? || json["content_html"].as_s.empty?
error_message = "This channel does not exist or has no videos."
next templated "error"
end
if json["content_html"].as_s.strip(" \n").empty?
rss = client.get("/feeds/videos.xml?channel_id=#{ucid}").body
rss = XML.parse_html(rss)
author = rss.xpath_node("//feed/author/name").not_nil!.content
videos = [] of ChannelVideo
next templated "channel"
end
document = XML.parse_html(json["content_html"].as_s)
author = document.xpath_node(%q(//div[@class="pl-video-owner"]/a)).not_nil!.content
videos = [] of ChannelVideo
document.xpath_nodes(%q(//a[contains(@class,"pl-video-title-link")])).each do |node|
href = URI.parse(node["href"])
id = HTTP::Params.parse(href.query.not_nil!)["v"]
title = node.content
videos << ChannelVideo.new(id, title, Time.now, Time.now, ucid, author)
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
env.redirect "/channel/#{ucid}#{params}"
end
# API Endpoints
get "/api/v1/captions/:id" do |env|
id = env.params.url["id"]
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB)
rescue ex
halt env, status_code: 403
end
player_response = JSON.parse(video.info["player_response"])
if !player_response["captions"]?
env.response.content_type = "application/json"
next {
"captions" => [] of String,
}.to_json
end
tracks = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
tracks ||= [] of JSON::Any
label = env.params.query["label"]?
if !label
env.response.content_type = "application/json"
response = JSON.build do |json|
json.object do
json.field "captions" do
json.array do
tracks.each do |caption|
json.object do
json.field "label", caption["name"]["simpleText"]
json.field "languageCode", caption["languageCode"]
end
end
end
end
end
end
next response
end
track = tracks.select { |tracks| tracks["name"]["simpleText"] == label }
env.response.content_type = "text/vtt"
if track.empty?
halt env, status_code: 403
else
track = track[0]
end
track_xml = client.get(track["baseUrl"].as_s).body
track_xml = XML.parse(track_xml)
webvtt = <<-END_VTT
WEBVTT
Kind: captions
Language: #{track["languageCode"]}
END_VTT
track_xml.xpath_nodes("//transcript/text").each do |node|
start_time = node["start"].to_f.seconds
duration = node["dur"]?.try &.to_f.seconds
duration ||= start_time
end_time = start_time + duration
start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}"
end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}"
text = HTML.unescape(node.content)
if md = text.match(/(?.*) : (?.*)/)
text = "#{md["text"]}"
end
webvtt = webvtt + <<-END_CUE
#{start_time} --> #{end_time}
#{text}
END_CUE
end
webvtt
end
get "/api/v1/comments/:id" do |env|
id = env.params.url["id"]
source = env.params.query["source"]?
source ||= "youtube"
format = env.params.query["format"]?
format ||= "json"
if source == "youtube"
client = make_client(YT_URL)
headers = HTTP::Headers.new
html = client.get("/watch?v=#{id}&disable_polymer=1")
headers["cookie"] = html.cookies.add_request_headers(headers)["cookie"]
headers["content-type"] = "application/x-www-form-urlencoded"
headers["x-client-data"] = "CIi2yQEIpbbJAQipncoBCNedygEIqKPKAQ=="
headers["x-spf-previous"] = "https://www.youtube.com/watch?v=#{id}"
headers["x-spf-referer"] = "https://www.youtube.com/watch?v=#{id}"
headers["x-youtube-client-name"] = "1"
headers["x-youtube-client-version"] = "2.20180719"
body = html.body
session_token = body.match(/'XSRF_TOKEN': "(?[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"]
ctoken = body.match(/'COMMENTS_TOKEN': "(?[^"]+)"/)
if !ctoken
env.response.content_type = "application/json"
next {"comments" => [] of String}.to_json
end
ctoken = ctoken["ctoken"]
itct = body.match(/itct=(?[^"]+)"/).not_nil!["itct"]
if env.params.query["continuation"]?
continuation = env.params.query["continuation"]
ctoken = continuation
else
continuation = ctoken
end
post_req = {
"session_token" => session_token,
}
post_req = HTTP::Params.encode(post_req)
response = client.post("/comment_service_ajax?action_get_comments=1&pbj=1&ctoken=#{ctoken}&continuation=#{continuation}&itct=#{itct}", headers, post_req).body
response = JSON.parse(response)
env.response.content_type = "application/json"
if !response["response"]["continuationContents"]?
halt env, status_code: 401
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
next {"content_html" => ""}.to_json
end
end
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
json.field "comments" do
json.array do
contents.as_a.each do |item|
json.object do
if !response["commentRepliesContinuation"]?
item = item["commentThreadRenderer"]
end
if item["replies"]?
item_replies = item["replies"]["commentRepliesRenderer"]
end
if !response["commentRepliesContinuation"]?
item_comment = item["comment"]["commentRenderer"]
else
item_comment = item["commentRenderer"]
end
content_text = item_comment["contentText"]["simpleText"]?.try &.as_s.rchop('\ufeff')
content_text ||= item_comment["contentText"]["runs"].as_a.map { |comment| comment["text"] }
.join("").rchop('\ufeff')
json.field "author", item_comment["authorText"]["simpleText"]
json.field "authorThumbnails" do
json.array do
item_comment["authorThumbnail"]["thumbnails"].as_a.each do |thumbnail|
json.object do
json.field "url", thumbnail["url"]
json.field "width", thumbnail["width"]
json.field "height", thumbnail["height"]
end
end
end
end
json.field "authorId", item_comment["authorEndpoint"]["browseEndpoint"]["browseId"]
json.field "authorUrl", item_comment["authorEndpoint"]["browseEndpoint"]["canonicalBaseUrl"]
json.field "content", content_text
json.field "published", item_comment["publishedTimeText"]["runs"][0]["text"]
json.field "likeCount", item_comment["likeCount"]
json.field "commentId", item_comment["commentId"]
if item_replies && !response["commentRepliesContinuation"]?
reply_count = item_replies["moreText"]["simpleText"].as_s.match(/View all (?\d+) replies/)
.try &.["count"].to_i?
reply_count ||= 1
continuation = item_replies["continuations"].as_a[0]["nextContinuationData"]["continuation"].as_s
json.field "replies" do
json.object do
json.field "replyCount", reply_count
json.field "continuation", continuation
end
end
end
end
end
end
end
if body["continuations"]?
continuation = body["continuations"][0]["nextContinuationData"]["continuation"]
json.field "continuation", continuation
end
end
end
if format == "json"
next comments
else
comments = JSON.parse(comments)
content_html = template_youtube_comments(comments)
{"content_html" => content_html}.to_json
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)
content_html = fill_links(content_html, "https", "www.reddit.com")
content_html = add_alt_links(content_html)
rescue ex
reddit_thread = nil
content_html = ""
end
if !reddit_thread
halt env, status_code: 404
end
env.response.content_type = "application/json"
{"title" => reddit_thread.title,
"permalink" => reddit_thread.permalink,
"content_html" => content_html}.to_json
end
end
get "/api/v1/videos/:id" do |env|
id = env.params.url["id"]
begin
video = get_video(id, PG_DB)
rescue ex
halt env, status_code: 403
end
adaptive_fmts = [] of HTTP::Params
if video.info.has_key?("adaptive_fmts")
video.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
end
fmt_stream = [] of HTTP::Params
video.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
fmt_stream << HTTP::Params.parse(string)
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
fmt_stream.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
player_response = JSON.parse(video.info["player_response"])
if player_response["captions"]?
captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
end
captions ||= [] of JSON::Any
env.response.content_type = "application/json"
video_info = JSON.build do |json|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
description = video.description.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description)
json.field "description", description.content
json.field "descriptionHtml", video.description
json.field "published", video.published.epoch
json.field "keywords" do
json.array do
video.info["keywords"].split(",").each { |keyword| json.string keyword }
end
end
json.field "viewCount", video.views
json.field "likeCount", video.likes
json.field "dislikeCount", video.dislikes
json.field "isFamilyFriendly", video.is_family_friendly
json.field "allowedRegions", video.allowed_regions
json.field "genre", video.genre
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "lengthSeconds", video.info["length_seconds"].to_i
if video.info["allow_ratings"]?
json.field "allowRatings", video.info["allow_ratings"] == "1"
else
json.field "allowRatings", false
end
json.field "rating", video.info["avg_rating"].to_f32
if video.info["is_listed"]?
json.field "isListed", video.info["is_listed"] == "1"
end
fmt_list = video.info["fmt_list"].split(",").map { |fmt| fmt.split("/")[1] }
fmt_list = Hash.zip(fmt_list.map { |fmt| fmt[0] }, fmt_list.map { |fmt| fmt[1] })
json.field "adaptiveFormats" do
json.array do
adaptive_fmts.each_with_index do |adaptive_fmt, i|
json.object do
json.field "index", adaptive_fmt["index"]
json.field "bitrate", adaptive_fmt["bitrate"]
json.field "init", adaptive_fmt["init"]
json.field "url", adaptive_fmt["url"]
json.field "itag", adaptive_fmt["itag"]
json.field "type", adaptive_fmt["type"]
json.field "clen", adaptive_fmt["clen"]
json.field "lmt", adaptive_fmt["lmt"]
json.field "projectionType", adaptive_fmt["projection_type"]
fmt_info = itag_to_metadata(adaptive_fmt["itag"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
json.field "formatStreams" do
json.array do
fmt_stream.each do |fmt|
json.object do
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
fmt_info = itag_to_metadata(fmt["itag"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
json.field "captions" do
json.array do
captions.each do |caption|
json.object do
json.field "label", caption["name"]["simpleText"]
json.field "languageCode", caption["languageCode"]
end
end
end
end
json.field "recommendedVideos" do
json.array do
video.info["rvs"].split(",").each do |rv|
rv = HTTP::Params.parse(rv)
if rv["id"]?
json.object do
json.field "videoId", rv["id"]
json.field "title", rv["title"]
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{rv["id"]}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "author", rv["author"]
json.field "lengthSeconds", rv["length_seconds"]
json.field "viewCountText", rv["short_view_count_text"].rchop(" views")
end
end
end
end
end
end
end
video_info
end
get "/api/v1/trending" do |env|
client = make_client(YT_URL)
trending = client.get("/feed/trending?disable_polymer=1").body
trending = XML.parse_html(trending)
videos = JSON.build do |json|
json.array do
trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"])).each do |node|
length_seconds = decode_length_seconds(node.xpath_node(%q(.//span[@class="video-time"])).not_nil!.content)
video = node.xpath_node(%q(.//h3/a)).not_nil!
title = video.content
id = video["href"].lchop("/watch?v=")
channel = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-byline")]/a)).not_nil!
author = channel.content
author_url = channel["href"]
published, view_count = node.xpath_nodes(%q(.//ul[@class="yt-lockup-meta-info"]/li))
view_count = view_count.content.rchop(" views")
if view_count == "No"
view_count = 0
else
view_count = view_count.delete(",").to_i64
end
descriptionHtml = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
if !descriptionHtml
description = ""
descriptionHtml = ""
else
descriptionHtml = descriptionHtml.to_s
description = descriptionHtml.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description).content.strip("\n ")
end
published = published.content.split(" ")[-3..-1].join(" ")
published = decode_date(published).epoch
json.object do
json.field "title", title
json.field "videoId", id
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "lengthSeconds", length_seconds
json.field "viewCount", view_count
json.field "author", author
json.field "authorUrl", author_url
json.field "published", published
json.field "description", description
json.field "descriptionHtml", descriptionHtml
end
end
end
end
env.response.content_type = "application/json"
videos
end
get "/api/v1/top" do |env|
videos = JSON.build do |json|
json.array do
top_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{video.id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "lengthSeconds", video.info["length_seconds"].to_i
json.field "viewCount", video.views
json.field "author", video.author
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.epoch
description = video.description.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description)
json.field "description", description.content
json.field "descriptionHtml", video.description
end
end
end
end
env.response.content_type = "application/json"
videos
end
get "/api/v1/channels/:ucid" do |env|
ucid = env.params.url["ucid"]
client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}").body
rss = XML.parse_html(rss)
ucid = rss.xpath_node("//feed/channelid")
if ucid
ucid = ucid.content
else
env.response.content_type = "application/json"
next {"error" => "User does not exist"}.to_json
end
end
channel = get_channel(ucid, client, PG_DB, pull_all_videos: false)
# TODO: Integrate this into `get_channel` function
# We can't get everything from RSS feed, so we get it from the channel page
channel_html = client.get("/channel/#{ucid}/about?disable_polymer=1").body
channel_html = XML.parse_html(channel_html)
banner = channel_html.xpath_node(%q(//div[@id="gh-banner"]/style)).not_nil!.content
banner = "https:" + banner.match(/background-image: url\((?[^)]+)\)/).not_nil!["url"]
author_url = channel_html.xpath_node(%q(//a[@class="channel-header-profile-image-container spf-link"])).not_nil!["href"]
author_thumbnail = channel_html.xpath_node(%q(//img[@class="channel-header-profile-image"])).not_nil!["src"]
description = channel_html.xpath_node(%q(//meta[@itemprop="description"])).not_nil!["content"]
paid = channel_html.xpath_node(%q(//meta[@itemprop="paid"])).not_nil!["content"] == "True"
is_family_friendly = channel_html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True"
allowed_regions = channel_html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",")
sub_count, total_views, joined = channel_html.xpath_nodes(%q(//span[@class="about-stat"]))
sub_count = sub_count.content.rchop(" subscribers").delete(",").to_i64
total_views = total_views.content.rchop(" views").lchop(" • ").delete(",").to_i64
joined = Time.parse(joined.content.lchop("Joined "), "%b %-d, %Y", Time::Location.local)
latest_videos = PG_DB.query_all("SELECT * FROM channel_videos WHERE ucid = $1 ORDER BY published DESC LIMIT 15",
channel.id, as: ChannelVideo)
channel_info = JSON.build do |json|
json.object do
json.field "author", channel.author
json.field "authorId", channel.id
json.field "authorUrl", author_url
json.field "authorBanners" do
json.array do
qualities = [{width: 2560, height: 424},
{width: 2120, height: 351},
{width: 1060, height: 175}]
qualities.each do |quality|
json.object do
json.field "url", banner.gsub("=w1060", "=w#{quality[:width]}")
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
json.object do
json.field "url", banner.rchop("=w1060-fcrop64=1,00005a57ffffa5a8-nd-c0xffffffff-rj-k-no")
json.field "width", 512
json.field "height", 288
end
end
end
json.field "authorThumbnails" do
json.array do
qualities = [32, 48, 76, 100, 512]
qualities.each do |quality|
json.object do
json.field "url", author_thumbnail.gsub("/s100-", "/s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCount", sub_count
json.field "totalViews", total_views
json.field "joined", joined.epoch
json.field "paid", paid
json.field "isFamilyFriendly", is_family_friendly
json.field "description", description
json.field "allowedRegions", allowed_regions
json.field "latestVideos" do
json.array do
latest_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "published", video.published.epoch
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{video.id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
end
end
end
end
end
end
env.response.content_type = "application/json"
channel_info
end
get "/api/v1/channels/:ucid/videos" do |env|
ucid = env.params.url["ucid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
client = make_client(YT_URL)
if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
rss = client.get("/feeds/videos.xml?user=#{ucid}").body
rss = XML.parse_html(rss)
ucid = rss.xpath_node("//feed/channelid")
if ucid
ucid = ucid.content
else
env.response.content_type = "application/json"
next {"error" => "User does not exist"}.to_json
end
end
url = produce_videos_url(ucid, page)
response = client.get(url)
json = JSON.parse(response.body)
if !json["content_html"]? || json["content_html"].as_s.empty?
env.response.content_type = "application/json"
next {"error" => "No videos or nonexistent channel"}.to_json
end
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)
videos = JSON.build do |json|
json.array do
document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |node|
anchor = node.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a)).not_nil!
title = anchor.content.strip
video_id = anchor["href"].lchop("/watch?v=")
published = node.xpath_node(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li[1]))
if !published
next
end
published = published.content
if published.ends_with? "watching"
next
end
published = decode_date(published).epoch
view_count = node.xpath_node(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li[2])).not_nil!
view_count = view_count.content.rchop(" views")
if view_count == "No"
view_count = 0
else
view_count = view_count.delete(",").to_i64
end
descriptionHtml = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
if !descriptionHtml
description = ""
descriptionHtml = ""
else
descriptionHtml = descriptionHtml.to_s
description = descriptionHtml.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description).content.strip("\n ")
end
length_seconds = decode_length_seconds(node.xpath_node(%q(.//span[@class="video-time"])).not_nil!.content)
json.object do
json.field "title", title
json.field "videoId", video_id
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{video_id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "description", description
json.field "descriptionHtml", descriptionHtml
json.field "viewCount", view_count
json.field "published", published
json.field "lengthSeconds", length_seconds
end
end
end
end
env.response.content_type = "application/json"
videos
end
get "/api/v1/search" do |env|
if env.params.query["q"]?
query = env.params.query["q"]
else
next env.redirect "/"
end
page = env.params.query["page"]?.try &.to_i?
page ||= 1
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"
begin
search_params = build_search_params(sort_by, date, content_type, duration, features)
rescue ex
env.response.content_type = "application/json"
next JSON.build do |json|
json.object do
json.field "error", ex.message
end
end
end
client = make_client(YT_URL)
html = client.get("/results?q=#{URI.escape(query)}&page=#{page}&sp=#{search_params}&disable_polymer=1").body
html = XML.parse_html(html)
results = JSON.build do |json|
json.array do
html.xpath_nodes(%q(//ol[@class="item-section"]/li)).each do |node|
anchor = node.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a))
if !anchor
next
end
if anchor["href"].starts_with? "https://www.googleadservices.com"
next
end
title = anchor.content.strip
video_id = anchor["href"].lchop("/watch?v=")
anchor = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-byline")]/a)).not_nil!
author = anchor.content
author_url = anchor["href"]
published = node.xpath_node(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li[1]))
if !published
next
end
published = published.content
if published.ends_with? "watching"
next
end
published = decode_date(published).epoch
view_count = node.xpath_node(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li[2])).not_nil!
puts view_count
view_count = view_count.content.rchop(" views")
if view_count == "No"
view_count = 0
else
view_count = view_count.delete(",").to_i64
end
descriptionHtml = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
if !descriptionHtml
description = ""
descriptionHtml = ""
else
descriptionHtml = descriptionHtml.to_s
description = descriptionHtml.gsub("
", "\n")
description = description.gsub("
", "\n")
description = XML.parse_html(description).content.strip("\n ")
end
length_seconds = decode_length_seconds(node.xpath_node(%q(.//span[@class="video-time"])).not_nil!.content)
json.object do
json.field "title", title
json.field "videoId", video_id
json.field "author", author
json.field "authorUrl", author_url
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{video_id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "description", description
json.field "descriptionHtml", descriptionHtml
json.field "viewCount", view_count
json.field "published", published
json.field "lengthSeconds", length_seconds
end
end
end
end
env.response.content_type = "application/json"
results
end
get "/api/manifest/dash/id/:id" do |env|
env.response.headers.add("Access-Control-Allow-Origin", "*")
env.response.content_type = "application/dash+xml"
local = env.params.query["local"]?.try &.== "true"
id = env.params.url["id"]
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB)
rescue ex
halt env, status_code: 403
end
if video.info["dashmpd"]?
manifest = client.get(video.info["dashmpd"]).body
manifest = manifest.gsub(/[^<]+<\/BaseURL>/) do |baseurl|
url = baseurl.lchop("")
url = url.rchop("")
if local
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
end
scheme ||= "http://"
url = scheme + env.request.headers["Host"] + URI.parse(url).full_path
end
"#{url}"
end
next manifest
end
adaptive_fmts = [] of HTTP::Params
if video.info.has_key?("adaptive_fmts")
video.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
else
halt env, status_code: 403
end
if local
adaptive_fmts.each do |fmt|
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
end
scheme ||= "http://"
fmt["url"] = scheme + env.request.headers["Host"] + URI.parse(fmt["url"]).full_path
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video/mp4") ? s : nil }
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio/mp4") ? s : nil }
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
audio_streams.each do |fmt|
fmt["bitrate"] = (fmt["bitrate"].to_f64/1000).to_i.to_s
end
manifest = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("MPD", "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance", "xmlns": "urn:mpeg:DASH:schema:MPD:2011",
"xmlns:yt": "http://youtube.com/yt/2012/10/10", "xsi:schemaLocation": "urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd",
minBufferTime: "PT1.5S", profiles: "urn:mpeg:dash:profile:isoff-main:2011", type: "static",
mediaPresentationDuration: "PT#{video.info["length_seconds"]}S") do
xml.element("Period") do
xml.element("AdaptationSet", id: 0, mimeType: "audio/mp4", subsegmentAlignment: true) do
xml.element("Role", schemeIdUri: "urn:mpeg:DASH:role:2011", value: "main")
audio_streams.each do |fmt|
mimetype, codecs = fmt["type"].split(";")
codecs = codecs[9..-2]
fmt_type = mimetype.split("/")[0]
bandwidth = fmt["bitrate"]
itag = fmt["itag"]
url = fmt["url"]
url = url.gsub("?", "/")
url = url.gsub("&", "/")
url = url.gsub("=", "/")
xml.element("Representation", id: fmt["itag"], codecs: codecs, bandwidth: bandwidth) do
xml.element("AudioChannelConfiguration", schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011",
value: "2")
xml.element("BaseURL") { xml.text url }
xml.element("SegmentBase", indexRange: fmt["init"]) do
xml.element("Initialization", range: fmt["index"])
end
end
end
end
xml.element("AdaptationSet", id: 1, mimeType: "video/mp4", subsegmentAlignment: true) do
xml.element("Role", schemeIdUri: "urn:mpeg:DASH:role:2011", value: "main")
video_streams.each do |fmt|
mimetype, codecs = fmt["type"].split(";")
codecs = codecs[9..-2]
bandwidth = fmt["bitrate"]
itag = fmt["itag"]
url = fmt["url"]
url = url.gsub("?", "/")
url = url.gsub("&", "/")
url = url.gsub("=", "/")
height, width = fmt["size"].split("x")
xml.element("Representation", id: itag, codecs: codecs, width: width, startWithSAP: "1", maxPlayoutRate: "1",
height: height, bandwidth: bandwidth, frameRate: fmt["fps"]) do
xml.element("BaseURL") { xml.text url }
xml.element("SegmentBase", indexRange: fmt["init"]) do
xml.element("Initialization", range: fmt["index"])
end
end
end
end
end
end
end
manifest = manifest.gsub(%(), %())
manifest = manifest.gsub(%(), %())
manifest
end
get "/api/manifest/hls_variant/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
halt env, status_code: 403
end
manifest = manifest.body
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
url = "#{scheme}#{host}"
env.response.content_type = "application/x-mpegURL"
env.response.headers.add("Access-Control-Allow-Origin", "*")
manifest.gsub("https://www.youtube.com", url)
end
get "/api/manifest/hls_playlist/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
halt env, status_code: 403
end
if Kemal.config.ssl || CONFIG.https_only
scheme = "https://"
else
scheme = "http://"
end
host = env.request.headers["Host"]
url = "#{scheme}#{host}"
manifest = manifest.body.gsub("https://www.youtube.com", url)
manifest = manifest.gsub(/https:\/\/r\d---.{11}\.c\.youtube\.com/, url)
fvip = manifest.match(/hls_chunk_host\/r(?\d)---/).not_nil!["fvip"]
manifest = manifest.gsub("seg.ts", "seg.ts/fvip/#{fvip}")
env.response.content_type = "application/x-mpegURL"
env.response.headers.add("Access-Control-Allow-Origin", "*")
manifest
end
options "/videoplayback*" do |env|
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.response.headers["Access-Control-Allow-Methods"] = "GET"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, range"
end
get "/videoplayback*" do |env|
path = env.request.path
if path != "/videoplayback"
path = path.lchop("/videoplayback/")
path = path.rchop("/")
path = path.gsub(/mime\/\w+\/\w+/) do |mimetype|
mimetype = mimetype.split("/")
mimetype[0] + "/" + mimetype[1] + "%2F" + mimetype[2]
end
path = path.split("/")
raw_params = {} of String => Array(String)
path.each_slice(2) do |pair|
key, value = pair
value = URI.unescape(value)
if raw_params[key]?
raw_params[key] << value
else
raw_params[key] = [value]
end
end
query_params = HTTP::Params.new(raw_params)
else
query_params = env.params.query
end
fvip = query_params["fvip"]
mn = query_params["mn"].split(",")[0]
host = "https://r#{fvip}---#{mn}.googlevideo.com"
url = "/videoplayback?#{query_params.to_s}"
client = make_client(URI.parse(host))
response = client.head(url)
headers = env.request.headers
headers.delete("Host")
headers.delete("Cookie")
headers.delete("User-Agent")
headers.delete("Referer")
client.get(url, headers) do |response|
if response.headers["Location"]?
url = URI.parse(response.headers["Location"])
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.redirect url.full_path
else
env.response.status_code = response.status_code
response.headers.each do |key, value|
env.response.headers[key] = value
end
env.response.headers["Access-Control-Allow-Origin"] = "*"
begin
chunk_size = 4096
size = 1
while size > 0
size = IO.copy(response.body_io, env.response.output, chunk_size)
env.response.flush
Fiber.yield
end
rescue ex
break
end
end
end
end
error 404 do |env|
error_message = "404 Page not found"
templated "error"
end
error 500 do |env|
error_message = "500 Server error"
templated "error"
end
# Add redirect if SSL is enabled
if Kemal.config.ssl
spawn do
server = HTTP::Server.new do |context|
redirect_url = "https://#{context.request.host}#{context.request.path}"
if context.request.query
redirect_url += "?#{context.request.query}"
end
context.response.headers.add("Location", redirect_url)
context.response.status_code = 301
end
server.bind_tcp "0.0.0.0", 80
server.listen
end
before_all do |env|
env.response.headers.add("Strict-Transport-Security", "max-age=31536000; includeSubDomains; preload")
end
end
static_headers do |response, filepath, filestat|
response.headers.add("Cache-Control", "max-age=86400")
end
public_folder "assets"
Kemal.config.powered_by_header = false
add_handler FilteredCompressHandler.new
add_context_storage_type(User)
Kemal.run