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invidious/src/invidious.cr
Omar Roth 9a7fea0447 Add playlist support to embedded videos
2019-04-13 14:26:32 -05:00

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# "Invidious" (which is an alternative front-end to YouTube)
# Copyright (C) 2019 Omar Roth
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require "digest/md5"
require "file_utils"
require "kemal"
require "markdown"
require "openssl/hmac"
require "option_parser"
require "pg"
require "sqlite3"
require "xml"
require "yaml"
require "zip"
require "./invidious/helpers/*"
require "./invidious/*"
CONFIG = Config.from_yaml(File.read("config/config.yml"))
HMAC_KEY = CONFIG.hmac_key || Random::Secure.hex(32)
PG_URL = URI.new(
scheme: "postgres",
user: CONFIG.db[:user],
password: CONFIG.db[:password],
host: CONFIG.db[:host],
port: CONFIG.db[:port],
path: CONFIG.db[:dbname],
)
PG_DB = DB.open PG_URL
ARCHIVE_URL = URI.parse("https://archive.org")
LOGIN_URL = URI.parse("https://accounts.google.com")
PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com")
REDDIT_URL = URI.parse("https://www.reddit.com")
TEXTCAPTCHA_URL = URI.parse("http://textcaptcha.com/omarroth@protonmail.com.json")
YT_URL = URI.parse("https://www.youtube.com")
CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
CURRENT_BRANCH = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }}
CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }}
SOFTWARE = {
"name" => "invidious",
"version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
"branch" => "#{CURRENT_BRANCH}",
}
LOCALES = {
"ar" => load_locale("ar"),
"de" => load_locale("de"),
"en-US" => load_locale("en-US"),
"es" => load_locale("es"),
"eu" => load_locale("eu"),
"fr" => load_locale("fr"),
"it" => load_locale("it"),
"nb_NO" => load_locale("nb_NO"),
"nl" => load_locale("nl"),
"pl" => load_locale("pl"),
"ru" => load_locale("ru"),
}
config = CONFIG
logger = Invidious::LogHandler.new
Kemal.config.extra_options do |parser|
parser.banner = "Usage: invidious [arguments]"
parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number|
begin
config.channel_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{config.feed_threads})") do |number|
begin
config.feed_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output|
FileUtils.mkdir_p(File.dirname(output))
logger = Invidious::LogHandler.new(File.open(output, mode: "a"))
end
parser.on("-v", "--version", "Print version") do |output|
puts SOFTWARE.to_pretty_json
exit
end
end
Kemal::CLI.new ARGV
if CONFIG.check_tables
# Check table integrity
analyze_table(PG_DB, logger, "channel_videos", ChannelVideo)
analyze_table(PG_DB, logger, "nonces", Nonce)
analyze_table(PG_DB, logger, "session_ids", SessionId)
analyze_table(PG_DB, logger, "users", User)
analyze_table(PG_DB, logger, "videos", Video)
end
# Start jobs
refresh_channels(PG_DB, logger, config.channel_threads, config.full_refresh)
refresh_feeds(PG_DB, logger, config.feed_threads)
subscribe_to_feeds(PG_DB, logger, HMAC_KEY, config)
statistics = {
"error" => "Statistics are not availabile.",
}
if config.statistics_enabled
spawn do
loop do
statistics = {
"version" => "2.0",
"software" => SOFTWARE,
"openRegistrations" => config.registration_enabled,
"usage" => {
"users" => {
"total" => PG_DB.query_one("SELECT count(*) FROM users", as: Int64),
"activeHalfyear" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64),
"activeMonth" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64),
},
},
"metadata" => {
"updatedAt" => Time.now.to_unix,
"lastChannelRefreshedAt" => PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0,
},
}
sleep 1.minute
end
end
end
top_videos = [] of Video
if config.top_enabled
spawn do
pull_top_videos(config, PG_DB) do |videos|
top_videos = videos
sleep 1.minute
end
end
end
popular_videos = [] of ChannelVideo
spawn do
pull_popular_videos(PG_DB) do |videos|
popular_videos = videos
sleep 1.minute
end
end
decrypt_function = [] of {name: String, value: Int32}
spawn do
update_decrypt_function do |function|
decrypt_function = function
end
end
proxies = PROXY_LIST
before_all do |env|
env.response.headers["X-XSS-Protection"] = "1; mode=block;"
env.response.headers["X-Content-Type-Options"] = "nosniff"
env.response.headers["Content-Security-Policy"] = "default-src blob: data: 'self' 'unsafe-inline' 'unsafe-eval'; media-src blob: 'self' https://*.googlevideo.com:443"
env.response.headers["Referrer-Policy"] = "same-origin"
if Kemal.config.ssl || config.https_only
env.response.headers["Strict-Transport-Security"] = "max-age=604800; includeSubDomains"
end
begin
preferences = Preferences.from_json(env.request.cookies["PREFS"]?.try &.value || "{}")
rescue
preferences = Preferences.from_json("{}")
end
if env.request.cookies.has_key? "SID"
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"
email = PG_DB.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
if email
user = PG_DB.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
challenge, token = create_response(user.email, "sign_out", HMAC_KEY, PG_DB, 1.week)
env.set "challenge", challenge
env.set "token", token
preferences = user.preferences
env.set "user", user
env.set "sid", sid
end
else
begin
user, sid = get_user(sid, headers, PG_DB, false)
challenge, token = create_response(user.email, "sign_out", HMAC_KEY, PG_DB, 1.week)
env.set "challenge", challenge
env.set "token", token
preferences = user.preferences
env.set "user", user
env.set "sid", sid
rescue ex
end
end
end
dark_mode = env.params.query["dark_mode"]? || preferences.dark_mode.to_s
dark_mode = dark_mode == "true"
thin_mode = env.params.query["thin_mode"]? || preferences.thin_mode.to_s
thin_mode = thin_mode == "true"
locale = env.params.query["hl"]? || preferences.locale
preferences.dark_mode = dark_mode
preferences.thin_mode = thin_mode
preferences.locale = locale
env.set "preferences", preferences
current_page = env.request.path
if env.request.query
query = HTTP::Params.parse(env.request.query.not_nil!)
if query["referer"]?
query["referer"] = get_referer(env, "/")
end
current_page += "?#{query}"
end
env.set "current_page", URI.escape(current_page)
end
get "/" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
if user
user = user.as(User)
if user.preferences.redirect_feed
next env.redirect "/feed/subscriptions"
end
end
case config.default_home
when "Popular"
templated "popular"
when "Top"
templated "top"
when "Trending"
env.redirect "/feed/trending"
when "Subscriptions"
if user
env.redirect "/feed/subscriptions"
else
templated "popular"
end
end
end
get "/privacy" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
templated "privacy"
end
get "/licenses" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
rendered "licenses"
end
# Videos
get "/watch" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
region = env.params.query["region"]?
if env.params.query.to_s.includes?("%20") || env.params.query.to_s.includes?("+")
url = "/watch?" + env.params.query.to_s.gsub("%20", "").delete("+")
next env.redirect url
end
if env.params.query["v"]?
id = env.params.query["v"]
if env.params.query["v"].empty?
error_message = "Invalid parameters."
next templated "error"
end
if id.size > 11
url = "/watch?v=#{id[0, 11]}"
env.params.query.delete_all("v")
if env.params.query.size > 0
url += "&#{env.params.query}"
end
next env.redirect url
end
else
next env.redirect "/"
end
plid = env.params.query["list"]?
nojs = env.params.query["nojs"]?
nojs ||= "0"
nojs = nojs == "1"
preferences = env.get("preferences").as(Preferences)
if env.get? "user"
user = env.get("user").as(User)
subscriptions = user.subscriptions
watched = user.watched
end
subscriptions ||= [] of String
params = process_video_params(env.params.query, preferences)
env.params.query.delete_all("listen")
begin
video = get_video(id, PG_DB, proxies, region: params[:region])
rescue ex : VideoRedirect
next env.redirect "/watch?v=#{ex.message}"
rescue ex
error_message = ex.message
logger.write("#{id} : #{ex.message}\n")
next templated "error"
end
if watched && !watched.includes? id
PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.as(User).email)
end
if nojs
if preferences
source = preferences.comments[0]
if source.empty?
source = preferences.comments[1]
end
if source == "youtube"
begin
comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"]
rescue ex
if preferences.comments[1] == "reddit"
comments, reddit_thread = fetch_reddit_comments(id)
comment_html = template_reddit_comments(comments, locale)
comment_html = fill_links(comment_html, "https", "www.reddit.com")
comment_html = replace_links(comment_html)
end
end
elsif source == "reddit"
begin
comments, reddit_thread = fetch_reddit_comments(id)
comment_html = template_reddit_comments(comments, locale)
comment_html = fill_links(comment_html, "https", "www.reddit.com")
comment_html = replace_links(comment_html)
rescue ex
if preferences.comments[1] == "youtube"
comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"]
end
end
end
else
comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, proxies, "html", locale, preferences.thin_mode, region))["contentHtml"]
end
comment_html ||= ""
end
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
if params[:local]
fmt_stream.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
adaptive_fmts.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
end
video_streams = video.video_streams(adaptive_fmts)
audio_streams = video.audio_streams(adaptive_fmts)
captions = video.captions
preferred_captions = captions.select { |caption|
params[:preferred_captions].includes?(caption.name.simpleText) ||
params[:preferred_captions].includes?(caption.languageCode.split("-")[0])
}
preferred_captions.sort_by! { |caption|
(params[:preferred_captions].index(caption.name.simpleText) ||
params[:preferred_captions].index(caption.languageCode.split("-")[0])).not_nil!
}
captions = captions - preferred_captions
aspect_ratio = "16:9"
video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = replace_links(video.description)
description = video.short_description
host_url = make_host_url(config, Kemal.config)
host_params = env.request.query_params
host_params.delete_all("v")
if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]?
hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
end
thumbnail = "/vi/#{video.id}/maxres.jpg"
if params[:raw]
url = fmt_stream[0]["url"]
fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == params[:quality]
url = fmt["url"]
end
end
next env.redirect url
end
rvs = [] of Hash(String, String)
video.info["rvs"]?.try &.split(",").each do |rv|
rvs << HTTP::Params.parse(rv).to_h
end
rating = video.info["avg_rating"].to_f64
engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100)
playability_status = video.player_response["playabilityStatus"]?
if playability_status && playability_status["status"] == "LIVE_STREAM_OFFLINE"
reason = playability_status["reason"]?.try &.as_s
end
reason ||= ""
templated "watch"
end
get "/embed/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
id = env.params.url["id"]
plid = env.params.query["list"]?
if md = env.params.query["playlist"]?
.try &.match(/[a-zA-Z0-9_-]{11}(,[a-zA-Z0-9_-]{11})*/)
video_series = md[0].split(",")
env.params.query.delete("playlist")
end
preferences = env.get("preferences").as(Preferences)
if id.includes?("%20") || id.includes?("+") || env.params.query.to_s.includes?("%20") || env.params.query.to_s.includes?("+")
id = env.params.url["id"].gsub("%20", "").delete("+")
url = "/embed/#{id}"
if env.params.query.size > 0
url += "?#{env.params.query.to_s.gsub("%20", "").delete("+")}"
end
next env.redirect url
end
# YouTube embed supports `videoseries` with either `list=PLID`
# or `playlist=VIDEO_ID,VIDEO_ID`
if id == "videoseries"
url = ""
if plid
begin
videos = fetch_playlist_videos(plid, 1, 1, locale: locale)
rescue ex
error_message = ex.message
next templated "error"
end
url = "/embed/#{videos[0].id}"
elsif video_series
url = "/embed/#{video_series.shift}"
env.params.query["playlist"] = video_series.join(",")
else
next env.redirect "/"
end
if env.params.query.size > 0
url += "?#{env.params.query}"
end
next env.redirect url
elsif id.size > 11
url = "/embed/#{id[0, 11]}"
if env.params.query.size > 0
url += "?#{env.params.query}"
end
next env.redirect url
end
params = process_video_params(env.params.query, preferences)
begin
video = get_video(id, PG_DB, proxies, region: params[:region])
rescue ex : VideoRedirect
next env.redirect "/embed/#{ex.message}"
rescue ex
error_message = ex.message
next templated "error"
end
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
if params[:local]
fmt_stream.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
adaptive_fmts.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
end
video_streams = video.video_streams(adaptive_fmts)
audio_streams = video.audio_streams(adaptive_fmts)
captions = video.captions
preferred_captions = captions.select { |caption|
params[:preferred_captions].includes?(caption.name.simpleText) ||
params[:preferred_captions].includes?(caption.languageCode.split("-")[0])
}
preferred_captions.sort_by! { |caption|
(params[:preferred_captions].index(caption.name.simpleText) ||
params[:preferred_captions].index(caption.languageCode.split("-")[0])).not_nil!
}
captions = captions - preferred_captions
aspect_ratio = nil
video.description = fill_links(video.description, "https", "www.youtube.com")
video.description = replace_links(video.description)
description = video.short_description
host_url = make_host_url(config, Kemal.config)
host_params = env.request.query_params
host_params.delete_all("v")
if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]?
hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
end
thumbnail = "/vi/#{video.id}/maxres.jpg"
if params[:raw]
url = fmt_stream[0]["url"]
fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == params[:quality]
url = fmt["url"]
end
end
next env.redirect url
end
rendered "embed"
end
# Playlists
get "/playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
plid = env.params.query["list"]?
if !plid
next env.redirect "/"
end
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if plid.starts_with? "RD"
next env.redirect "/mix?list=#{plid}"
end
begin
playlist = fetch_playlist(plid, locale)
rescue ex
error_message = ex.message
next templated "error"
end
begin
videos = fetch_playlist_videos(plid, page, playlist.video_count, locale: locale)
rescue ex
videos = [] of PlaylistVideo
end
templated "playlist"
end
get "/mix" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
rdid = env.params.query["list"]?
if !rdid
next env.redirect "/"
end
continuation = env.params.query["continuation"]?
continuation ||= rdid.lchop("RD")
begin
mix = fetch_mix(rdid, continuation, locale: locale)
rescue ex
error_message = ex.message
next templated "error"
end
templated "mix"
end
# Search
get "/opensearch.xml" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/opensearchdescription+xml"
host = make_host_url(config, Kemal.config)
XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("OpenSearchDescription", xmlns: "http://a9.com/-/spec/opensearch/1.1/") do
xml.element("ShortName") { xml.text "Invidious" }
xml.element("LongName") { xml.text "Invidious Search" }
xml.element("Description") { xml.text "Search for videos, channels, and playlists on Invidious" }
xml.element("InputEncoding") { xml.text "UTF-8" }
xml.element("Image", width: 48, height: 48, type: "image/x-icon") { xml.text "#{host}/favicon.ico" }
xml.element("Url", type: "text/html", method: "get", template: "#{host}/search?q={searchTerms}")
end
end
end
get "/results" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
query = env.params.query["search_query"]?
query ||= env.params.query["q"]?
query ||= ""
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if query
env.redirect "/search?q=#{URI.escape(query)}&page=#{page}"
else
env.redirect "/"
end
end
get "/search" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
region = env.params.query["region"]?
query = env.params.query["search_query"]?
query ||= env.params.query["q"]?
query ||= ""
if query.empty?
next env.redirect "/"
end
page = env.params.query["page"]?.try &.to_i?
page ||= 1
user = env.get? "user"
if user
user = user.as(User)
view_name = "subscriptions_#{sha256(user.email)}"
end
channel = nil
content_type = "all"
date = ""
duration = ""
features = [] of String
sort = "relevance"
subscriptions = nil
operators = query.split(" ").select { |a| a.match(/\w+:[\w,]+/) }
operators.each do |operator|
key, value = operator.downcase.split(":")
case key
when "channel", "user"
channel = operator.split(":")[-1]
when "content_type", "type"
content_type = value
when "date"
date = value
when "duration"
duration = value
when "feature", "features"
features = value.split(",")
when "sort"
sort = value
when "subscriptions"
subscriptions = value == "true"
end
end
search_query = (query.split(" ") - operators).join(" ")
if channel
count, videos = channel_search(search_query, page, channel)
elsif subscriptions
if view_name
videos = PG_DB.query_all("SELECT id,title,published,updated,ucid,author,length_seconds FROM (
SELECT *,
to_tsvector(#{view_name}.title) ||
to_tsvector(#{view_name}.author)
as document
FROM #{view_name}
) v_search WHERE v_search.document @@ plainto_tsquery($1) LIMIT 20 OFFSET $2;", search_query, (page - 1) * 20, as: ChannelVideo)
count = videos.size
else
videos = [] of ChannelVideo
count = 0
end
else
begin
search_params = produce_search_params(sort: sort, date: date, content_type: content_type,
duration: duration, features: features)
rescue ex
error_message = ex.message
next templated "error"
end
count, videos = search(search_query, page, search_params, proxies, region).as(Tuple)
end
templated "search"
end
# Users
get "/login" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
if user
next env.redirect "/feed/subscriptions"
end
if !config.login_enabled
error_message = "Login has been disabled by administrator."
next templated "error"
end
referer = get_referer(env, "/feed/subscriptions")
email = nil
password = nil
captcha = nil
account_type = env.params.query["type"]?
account_type ||= "invidious"
captcha_type = env.params.query["captcha"]?
captcha_type ||= "image"
tfa = env.params.query["tfa"]?
tfa ||= false
templated "login"
end
post "/login" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env, "/feed/subscriptions")
if !config.login_enabled
error_message = "Login has been disabled by administrator."
next templated "error"
end
email = env.params.body["email"]?
password = env.params.body["password"]?
account_type = env.params.query["type"]?
account_type ||= "invidious"
case account_type
when "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79
begin
client = make_client(LOGIN_URL)
headers = HTTP::Headers.new
headers["Content-Type"] = "application/x-www-form-urlencoded;charset=utf-8"
headers["Google-Accounts-XSRF"] = "1"
login_page = client.get("/ServiceLogin")
headers = login_page.cookies.add_request_headers(headers)
login_page = XML.parse_html(login_page.body)
inputs = {} of String => String
login_page.xpath_nodes(%q(//input[@type="submit"])).each do |node|
name = node["id"]? || node["name"]?
name ||= ""
value = node["value"]?
value ||= ""
if name != "" && value != ""
inputs[name] = value
end
end
login_page.xpath_nodes(%q(//input[@type="hidden"])).each do |node|
name = node["id"]? || node["name"]?
name ||= ""
value = node["value"]?
value ||= ""
if name != "" && value != ""
inputs[name] = value
end
end
lookup_req = {
email, nil, [] of String, nil, "US", nil, nil, 2, false, true,
{nil, nil,
{2, 1, nil, 1, "https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount", nil, [] of String, 4, [] of String},
1,
{nil, nil, [] of String},
nil, nil, nil, true,
}, email,
}.to_json
lookup_results = client.post("/_/signin/sl/lookup", headers, login_req(inputs, lookup_req))
headers = lookup_results.cookies.add_request_headers(headers)
lookup_results = lookup_results.body
lookup_results = lookup_results[5..-1]
lookup_results = JSON.parse(lookup_results)
user_hash = lookup_results[0][2]
challenge_req = {
user_hash, nil, 1, nil,
{1, nil, nil, nil,
{password, nil, true},
},
{nil, nil,
{2, 1, nil, 1, "https://accounts.google.com/ServiceLogin?passive=1209600&continue=https%3A%2F%2Faccounts.google.com%2FManageAccount&followup=https%3A%2F%2Faccounts.google.com%2FManageAccount", nil, [] of String, 4, [] of String},
1,
{nil, nil, [] of String},
nil, nil, nil, true},
}.to_json
challenge_results = client.post("/_/signin/sl/challenge", headers, login_req(inputs, challenge_req))
headers = challenge_results.cookies.add_request_headers(headers)
challenge_results = challenge_results.body
challenge_results = challenge_results[5..-1]
challenge_results = JSON.parse(challenge_results)
headers["Cookie"] = URI.unescape(headers["Cookie"])
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
error_message = translate(locale, "Incorrect password")
next templated "error"
end
if challenge_results[0][-1][0].as_a?
# Prefer Authenticator app and SMS over unsupported protocols
if challenge_results[0][-1][0][0][8] != 6 && challenge_results[0][-1][0][0][8] != 9
tfa = challenge_results[0][-1][0].as_a.select { |auth_type| auth_type[8] == 6 || auth_type[8] == 9 }[0]
select_challenge = {2, nil, nil, nil, {tfa[8]}}.to_json
tl = challenge_results[1][2]
tfa = client.post("/_/signin/selectchallenge?TL=#{tl}", headers, login_req(inputs, select_challenge)).body
tfa = tfa[5..-1]
tfa = JSON.parse(tfa)[0][-1]
else
tfa = challenge_results[0][-1][0][0]
end
if tfa[2] == "TWO_STEP_VERIFICATION"
if tfa[5] == "QUOTA_EXCEEDED"
error_message = translate(locale, "Quota exceeded, try again in a few hours")
next templated "error"
end
if !tfa_code
account_type = "google"
captcha_type = "image"
tfa = true
captcha = nil
next templated "login"
end
tl = challenge_results[1][2]
request_type = tfa[8]
case request_type
when 6
# Authenticator app
tfa_req = %(["#{user_hash}",null,2,null,[6,null,null,null,null,["#{tfa_code}",false]]])
when 9
# Voice or text message
tfa_req = %(["#{user_hash}",null,2,null,[9,null,null,null,null,null,null,null,[null,"#{tfa_code}",false,2]]])
else
error_message = "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 = translate(locale, "Invalid TFA code")
next templated "error"
end
end
end
login_res = challenge_results[0][13][2].to_s
login = client.get(login_res, headers)
headers = login.cookies.add_request_headers(headers)
login = client.get(login.headers["Location"], headers)
headers = login.cookies.add_request_headers(headers)
cookies = HTTP::Cookies.from_headers(headers)
sid = cookies["SID"].value
user, sid = get_user(sid, headers, PG_DB)
# We are now logged in
host = URI.parse(env.request.headers["Host"]).host
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
cookies.each do |cookie|
if Kemal.config.ssl || config.https_only
cookie.secure = secure
else
cookie.secure = secure
end
if cookie.extension
cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host)
cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "")
end
env.response.cookies << cookie
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.new(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
rescue ex
error_message = translate(locale, "Login failed. This may be because two-factor authentication is not enabled on your account.")
next templated "error"
end
when "invidious"
if !email
error_message = translate(locale, "User ID is a required field")
next templated "error"
end
if !password
error_message = translate(locale, "Password is a required field")
next templated "error"
end
user = PG_DB.query_one?("SELECT * FROM users WHERE LOWER(email) = LOWER($1)", email, as: User)
if user
if !user.password
error_message = translate(locale, "Please sign in using 'Sign in with Google'")
next templated "error"
end
if Crypto::Bcrypt::Password.new(user.password.not_nil!) == password
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.now)
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
else
error_message = translate(locale, "Invalid username or password")
next templated "error"
end
# Since this user has already registered, we don't want to overwrite their preferences
if env.request.cookies["PREFS"]?
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.new(1990, 1, 1)
env.response.cookies << cookie
end
else
if !config.registration_enabled
error_message = "Registration has been disabled by administrator."
next templated "error"
end
if config.captcha_enabled
captcha_type = env.params.body["captcha_type"]?
answer = env.params.body["answer"]?
change_type = env.params.body["change_type"]?
if !captcha_type || change_type
if change_type
captcha_type = change_type
end
captcha_type ||= "image"
account_type = "invidious"
tfa = false
if captcha_type == "image"
captcha = generate_captcha(HMAC_KEY, PG_DB)
else
captcha = generate_text_captcha(HMAC_KEY, PG_DB)
end
next templated "login"
end
challenges = env.params.body.select { |k, v| k.match(/^challenge\[\d+\]$/) }
tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }
answer ||= ""
captcha_type ||= "image"
case captcha_type
when "image"
answer = answer.lstrip('0')
answer = OpenSSL::HMAC.hexdigest(:sha256, HMAC_KEY, answer)
challenge = env.params.body["challenge[0]"]?
token = env.params.body["token[0]"]?
begin
validate_response(challenge, token, answer, "sign_in", HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
end
when "text"
answer = Digest::MD5.hexdigest(answer.downcase.strip)
found_valid_captcha = false
error_message = translate(locale, "Invalid CAPTCHA")
challenges.each_with_index do |challenge, i|
begin
challenge = challenge[1]
token = tokens[i][1]
validate_response(challenge, token, answer, "sign_in", HMAC_KEY, PG_DB, locale)
found_valid_captcha = true
rescue ex
error_message = ex.message
end
end
if !found_valid_captcha
next templated "error"
end
end
end
if password.empty?
error_message = translate(locale, "Password cannot be empty")
next templated "error"
end
# See https://security.stackexchange.com/a/39851
if password.size > 55
error_message = translate(locale, "Password cannot be longer than 55 characters")
next templated "error"
end
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
user, sid = create_user(sid, email, password)
user_array = user.to_a
user_array[4] = user_array[4].to_json
args = arg_array(user_array)
PG_DB.exec("INSERT INTO users VALUES (#{args})", user_array)
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.now)
view_name = "subscriptions_#{sha256(user.email)}"
PG_DB.exec("CREATE MATERIALIZED VIEW #{view_name} AS \
SELECT * FROM channel_videos WHERE \
ucid = ANY ((SELECT subscriptions FROM users WHERE email = E'#{user.email.gsub("'", "\\'")}')::text[]) \
ORDER BY published DESC;")
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.new(1990, 1, 1)
env.response.cookies << cookie
end
end
env.redirect referer
else
env.redirect referer
end
end
get "/signout" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.query["challenge"]?
token = env.params.query["token"]?
begin
validate_response(challenge, token, user.email, "sign_out", HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
end
user = env.get("user").as(User)
sid = env.get("sid").as(String)
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", sid)
env.request.cookies.each do |cookie|
cookie.expires = Time.new(1990, 1, 1)
env.response.cookies << cookie
end
end
env.redirect referer
end
get "/preferences" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env)
preferences = env.get("preferences").as(Preferences)
templated "preferences"
end
post "/preferences" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env)
video_loop = env.params.body["video_loop"]?.try &.as(String)
video_loop ||= "off"
video_loop = video_loop == "on"
autoplay = env.params.body["autoplay"]?.try &.as(String)
autoplay ||= "off"
autoplay = autoplay == "on"
continue = env.params.body["continue"]?.try &.as(String)
continue ||= "off"
continue = continue == "on"
listen = env.params.body["listen"]?.try &.as(String)
listen ||= "off"
listen = listen == "on"
local = env.params.body["local"]?.try &.as(String)
local ||= "off"
local = local == "on"
speed = env.params.body["speed"]?.try &.as(String).to_f?
speed ||= CONFIG.default_user_preferences.speed
quality = env.params.body["quality"]?.try &.as(String)
quality ||= CONFIG.default_user_preferences.quality
volume = env.params.body["volume"]?.try &.as(String).to_i?
volume ||= CONFIG.default_user_preferences.volume
comments = [] of String
2.times do |i|
comments << (env.params.body["comments[#{i}]"]?.try &.as(String) || CONFIG.default_user_preferences.comments[i])
end
captions = [] of String
3.times do |i|
captions << (env.params.body["captions[#{i}]"]?.try &.as(String) || CONFIG.default_user_preferences.captions[i])
end
related_videos = env.params.body["related_videos"]?.try &.as(String)
related_videos ||= "off"
related_videos = related_videos == "on"
redirect_feed = env.params.body["redirect_feed"]?.try &.as(String)
redirect_feed ||= "off"
redirect_feed = redirect_feed == "on"
locale = env.params.body["locale"]?.try &.as(String)
locale ||= CONFIG.default_user_preferences.locale
dark_mode = env.params.body["dark_mode"]?.try &.as(String)
dark_mode ||= "off"
dark_mode = dark_mode == "on"
thin_mode = env.params.body["thin_mode"]?.try &.as(String)
thin_mode ||= "off"
thin_mode = thin_mode == "on"
max_results = env.params.body["max_results"]?.try &.as(String).to_i?
max_results ||= CONFIG.default_user_preferences.max_results
sort = env.params.body["sort"]?.try &.as(String)
sort ||= CONFIG.default_user_preferences.sort
latest_only = env.params.body["latest_only"]?.try &.as(String)
latest_only ||= "off"
latest_only = latest_only == "on"
unseen_only = env.params.body["unseen_only"]?.try &.as(String)
unseen_only ||= "off"
unseen_only = unseen_only == "on"
notifications_only = env.params.body["notifications_only"]?.try &.as(String)
notifications_only ||= "off"
notifications_only = notifications_only == "on"
preferences = {
"video_loop" => video_loop,
"autoplay" => autoplay,
"continue" => continue,
"listen" => listen,
"local" => local,
"speed" => speed,
"quality" => quality,
"volume" => volume,
"comments" => comments,
"captions" => captions,
"related_videos" => related_videos,
"redirect_feed" => redirect_feed,
"locale" => locale,
"dark_mode" => dark_mode,
"thin_mode" => thin_mode,
"max_results" => max_results,
"sort" => sort,
"latest_only" => latest_only,
"unseen_only" => unseen_only,
"notifications_only" => notifications_only,
}.to_json
if user = env.get? "user"
user = user.as(User)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences, user.email)
if config.admins.includes? user.email
config.default_home = env.params.body["default_home"]?.try &.as(String) || config.default_home
feed_menu = [] of String
4.times do |index|
option = env.params.body["feed_menu[#{index}]"]?.try &.as(String) || ""
if !option.empty?
feed_menu << option
end
end
config.feed_menu = feed_menu
top_enabled = env.params.body["top_enabled"]?.try &.as(String)
top_enabled ||= "off"
config.top_enabled = top_enabled == "on"
captcha_enabled = env.params.body["captcha_enabled"]?.try &.as(String)
captcha_enabled ||= "off"
config.captcha_enabled = captcha_enabled == "on"
login_enabled = env.params.body["login_enabled"]?.try &.as(String)
login_enabled ||= "off"
config.login_enabled = login_enabled == "on"
registration_enabled = env.params.body["registration_enabled"]?.try &.as(String)
registration_enabled ||= "off"
config.registration_enabled = registration_enabled == "on"
statistics_enabled = env.params.body["statistics_enabled"]?.try &.as(String)
statistics_enabled ||= "off"
config.statistics_enabled = statistics_enabled == "on"
File.write("config/config.yml", config.to_yaml)
end
else
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{config.domain}", value: preferences, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
end
env.redirect referer
end
get "/toggle_theme" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env)
if user = env.get? "user"
user = user.as(User)
preferences = user.preferences
preferences.dark_mode = !preferences.dark_mode
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
else
preferences = env.get("preferences").as(Preferences)
preferences.dark_mode = !preferences.dark_mode
preferences = preferences.to_json
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{config.domain}", value: preferences, expires: Time.now + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.now + 2.years,
secure: secure, http_only: true)
end
end
env.redirect referer
end
get "/mark_watched" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env, "/feed/subscriptions")
id = env.params.query["id"]?
if !id
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if user
user = user.as(User)
if !user.watched.includes? id
PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.email)
end
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
get "/mark_unwatched" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env, "/feed/history")
id = env.params.query["id"]?
if !id
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if user
user = user.as(User)
PG_DB.exec("UPDATE users SET watched = array_remove(watched, $1) WHERE email = $2", id, user.email)
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
# /modify_notifications
# will "ding" all subscriptions.
# /modify_notifications?receive_all_updates=false&receive_no_updates=false
# will "unding" all subscriptions.
get "/modify_notifications" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if !user && !sid
next env.redirect referer
end
user = user.as(User)
if !user.password
channel_req = {} of String => String
channel_req["receive_all_updates"] = env.params.query["receive_all_updates"]? || "true"
channel_req["receive_no_updates"] = env.params.query["receive_no_updates"]? || ""
channel_req["receive_post_updates"] = env.params.query["receive_post_updates"]? || "true"
channel_req.reject! { |k, v| v != "true" && v != "false" }
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
client = make_client(YT_URL)
html = client.get("/subscription_manager?disable_polymer=1", headers)
cookies = HTTP::Cookies.from_headers(headers)
html.cookies.each do |cookie|
if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
if cookies[cookie.name]?
cookies[cookie.name] = cookie
else
cookies << cookie
end
end
end
headers = cookies.add_request_headers(headers)
match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect referer
end
headers["content-type"] = "application/x-www-form-urlencoded"
channel_req["session_token"] = session_token
subs = XML.parse_html(html.body)
subs.xpath_nodes(%q(//a[@class="subscription-title yt-uix-sessionlink"]/@href)).each do |channel|
channel_id = channel.content.lstrip("/channel/").not_nil!
channel_req["channel_id"] = channel_id
client.post("/subscription_ajax?action_update_subscription_preferences=1", headers, form: channel_req)
end
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
# TODO: Add CSRF
get "/subscription_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if !user && !sid
next env.redirect referer
end
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)
html = client.get("/subscription_manager?disable_polymer=1", headers)
cookies = HTTP::Cookies.from_headers(headers)
html.cookies.each do |cookie|
if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
if cookies[cookie.name]?
cookies[cookie.name] = cookie
else
cookies << cookie
end
end
end
headers = cookies.add_request_headers(headers)
match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/)
if match
session_token = match["session_token"]
else
next env.redirect referer
end
headers["content-type"] = "application/x-www-form-urlencoded"
post_req = {
"session_token" => session_token,
}
post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}"
# Sync subscription with YouTube
client.post(post_url, headers, form: post_req)
email = user.email
else
email = user.email
end
case action
when .starts_with? "action_create"
if !user.subscriptions.includes? channel_id
get_channel(channel_id, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = array_append(subscriptions,$1) WHERE email = $2", channel_id, email)
end
when .starts_with? "action_remove"
PG_DB.exec("UPDATE users SET subscriptions = array_remove(subscriptions,$1) WHERE email = $2", channel_id, email)
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
get "/subscription_manager" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
if !user && !sid
next env.redirect referer
end
user = user.as(User)
if !user.password
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
user, sid = get_user(sid, headers, PG_DB)
end
action_takeout = env.params.query["action_takeout"]?.try &.to_i?
action_takeout ||= 0
action_takeout = action_takeout == 1
format = env.params.query["format"]?
format ||= "rss"
subscriptions = PG_DB.query_all("SELECT * FROM channels WHERE id = ANY('{#{user.subscriptions.join(",")}}')", as: InvidiousChannel)
subscriptions.sort_by! { |channel| channel.author.downcase }
if action_takeout
host_url = make_host_url(config, Kemal.config)
if format == "json"
env.response.content_type = "application/json"
env.response.headers["content-disposition"] = "attachment"
next {
"subscriptions" => user.subscriptions,
"watch_history" => user.watched,
"preferences" => user.preferences,
}.to_json
else
env.response.content_type = "application/xml"
env.response.headers["content-disposition"] = "attachment"
export = XML.build do |xml|
xml.element("opml", version: "1.1") do
xml.element("body") do
if format == "newpipe"
title = "YouTube Subscriptions"
else
title = "Invidious Subscriptions"
end
xml.element("outline", text: title, title: title) do
subscriptions.each do |channel|
if format == "newpipe"
xmlUrl = "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel.id}"
else
xmlUrl = "#{host_url}/feed/channel/#{channel.id}"
end
xml.element("outline", text: channel.author, title: channel.author,
"type": "rss", xmlUrl: xmlUrl)
end
end
end
end
end
next export.gsub(%(<?xml version="1.0"?>\n), "")
end
end
templated "subscription_manager"
end
get "/data_control" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
templated "data_control"
else
env.redirect referer
end
end
post "/data_control" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
HTTP::FormData.parse(env.request) do |part|
body = part.body.gets_to_end
if body.empty?
next
end
case part.name
when "import_invidious"
body = JSON.parse(body)
if body["subscriptions"]?
user.subscriptions += body["subscriptions"].as_a.map { |a| a.as_s }
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
end
if body["watch_history"]?
user.watched += body["watch_history"].as_a.map { |a| a.as_s }
user.watched.uniq!
PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", user.watched, user.email)
end
if body["preferences"]?
user.preferences = Preferences.from_json(body["preferences"].to_json)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", user.preferences.to_json, user.email)
end
when "import_youtube"
subscriptions = XML.parse(body)
user.subscriptions += subscriptions.xpath_nodes(%q(//outline[@type="rss"])).map do |channel|
channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
end
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
when "import_freetube"
user.subscriptions += body.scan(/"channelId":"(?<channel_id>[a-zA-Z0-9_-]{24})"/).map do |md|
md["channel_id"]
end
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
when "import_newpipe_subscriptions"
body = JSON.parse(body)
user.subscriptions += body["subscriptions"].as_a.map do |channel|
channel["url"].as_s.match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
end
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
when "import_newpipe"
Zip::Reader.open(IO::Memory.new(body)) do |file|
file.each_entry do |entry|
if entry.filename == "newpipe.db"
tempfile = File.tempfile(".db")
File.write(tempfile.path, entry.io.gets_to_end)
db = DB.open("sqlite3://" + tempfile.path)
user.watched += db.query_all("SELECT url FROM streams", as: String).map { |url| url.lchop("https://www.youtube.com/watch?v=") }
user.watched.uniq!
PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", user.watched, user.email)
user.subscriptions += db.query_all("SELECT url FROM subscriptions", as: String).map { |url| url.lchop("https://www.youtube.com/channel/") }
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
db.close
tempfile.delete
end
end
end
end
end
end
env.redirect referer
end
get "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
challenge, token = create_response(user.email, "delete_account", HMAC_KEY, PG_DB)
templated "delete_account"
else
env.redirect referer
end
end
post "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.body["challenge"]?
token = env.params.body["token"]?
begin
validate_response(challenge, token, user.email, "delete_account", HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
end
view_name = "subscriptions_#{sha256(user.email)}"
PG_DB.exec("DELETE FROM users * WHERE email = $1", user.email)
PG_DB.exec("DELETE FROM session_ids * WHERE email = $1", user.email)
PG_DB.exec("DROP MATERIALIZED VIEW #{view_name}")
env.request.cookies.each do |cookie|
cookie.expires = Time.new(1990, 1, 1)
env.response.cookies << cookie
end
end
env.redirect referer
end
get "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
challenge, token = create_response(user.email, "clear_watch_history", HMAC_KEY, PG_DB)
templated "clear_watch_history"
else
env.redirect referer
end
end
post "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.body["challenge"]?
token = env.params.body["token"]?
begin
validate_response(challenge, token, user.email, "clear_watch_history", HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
end
PG_DB.exec("UPDATE users SET watched = '{}' WHERE email = $1", user.email)
end
env.redirect referer
end
# Feeds
get "/feed/top" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
if config.top_enabled
templated "top"
else
env.redirect "/"
end
end
get "/feed/popular" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
templated "popular"
end
get "/feed/trending" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
trending_type = env.params.query["type"]?
trending_type ||= "Default"
region = env.params.query["region"]?
region ||= "US"
begin
trending = fetch_trending(trending_type, proxies, region, locale)
rescue ex
error_message = "#{ex.message}"
next templated "error"
end
templated "trending"
end
get "/feed/subscriptions" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
sid = sid.as(String)
preferences = user.preferences
token = user.token
if preferences.unseen_only
env.set "show_watched", true
end
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
if !user.password
user, sid = get_user(sid, headers, PG_DB)
end
max_results = preferences.max_results
max_results ||= env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if max_results < 0
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
view_name = "subscriptions_#{sha256(user.email)}"
if preferences.notifications_only && !notifications.empty?
# Only show notifications
args = arg_array(notifications)
notifications = PG_DB.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
ORDER BY published DESC", notifications, as: ChannelVideo)
videos = [] of ChannelVideo
notifications.sort_by! { |video| video.published }.reverse!
case preferences.sort
when "alphabetically"
notifications.sort_by! { |video| video.title }
when "alphabetically - reverse"
notifications.sort_by! { |video| video.title }.reverse!
when "channel name"
notifications.sort_by! { |video| video.author }
when "channel name - reverse"
notifications.sort_by! { |video| video.author }.reverse!
end
else
if preferences.latest_only
if preferences.unseen_only
# Show latest video from a channel that a user hasn't watched
# "unseen_only" isn't really correct here, more accurate would be "unwatched_only"
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY ucid, published DESC", as: ChannelVideo)
else
# Show latest video from each channel
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
ORDER BY ucid, published DESC", as: ChannelVideo)
end
videos.sort_by! { |video| video.published }.reverse!
else
if preferences.unseen_only
# Only show unwatched
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
else
# Sort subscriptions as normal
videos = PG_DB.query_all("SELECT * FROM #{view_name} \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
end
end
case preferences.sort
when "published - reverse"
videos.sort_by! { |video| video.published }
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
notifications = videos.select { |v| notifications.includes? v.id }
videos = videos - notifications
end
if !limit
videos = videos[0..max_results]
end
# Clear user's notifications and set updated to the current time.
# "updated" here is used for delivering new notifications, so if
# we know a user has looked at their feed e.g. in the past 10 minutes,
# they've already seen a video posted 20 minutes ago, and don't need
# to be notified.
PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE email = $3", [] of String, Time.now,
user.email)
user.notifications = [] of String
env.set "user", user
templated "subscriptions"
else
env.redirect referer
end
end
get "/feed/history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if user
user = user.as(User)
limit = user.preferences.max_results
if user.watched[(page - 1) * limit]?
watched = user.watched.reverse[(page - 1) * limit, limit]
else
watched = [] of String
end
templated "history"
else
env.redirect referer
end
end
get "/feed/channel/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/atom+xml"
ucid = env.params.url["ucid"]
begin
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = ex.message
env.response.status_code = 500
next error_message
end
client = make_client(YT_URL)
rss = client.get("/feeds/videos.xml?channel_id=#{ucid}").body
rss = XML.parse_html(rss)
videos = [] of SearchVideo
rss.xpath_nodes("//feed/entry").each do |entry|
video_id = entry.xpath_node("videoid").not_nil!.content
title = entry.xpath_node("title").not_nil!.content
published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
author = entry.xpath_node("author/name").not_nil!.content
ucid = entry.xpath_node("channelid").not_nil!.content
description = entry.xpath_node("group/description").not_nil!.content
views = entry.xpath_node("group/community/statistics").not_nil!.["views"].to_i64
videos << SearchVideo.new(
title: title,
id: video_id,
author: author,
ucid: ucid,
published: published,
views: views,
description: description,
description_html: "",
length_seconds: 0,
live_now: false,
paid: false,
premium: false,
premiere_timestamp: nil
)
end
host_url = make_host_url(config, Kemal.config)
path = env.request.path
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
"xml:lang": "en-US") do
xml.element("link", rel: "self", href: "#{host_url}#{path}")
xml.element("id") { xml.text "yt:channel:#{ucid}" }
xml.element("yt:channelId") { xml.text ucid }
xml.element("title") { xml.text author }
xml.element("link", rel: "alternate", href: "#{host_url}/channel/#{ucid}")
xml.element("author") do
xml.element("name") { xml.text author }
xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
end
videos.each do |video|
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
xml.element("yt:channelId") { xml.text video.ucid }
xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
xml.element("author") do
if auto_generated
xml.element("name") { xml.text video.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" }
else
xml.element("name") { xml.text author }
xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
end
end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do
xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg")
end
end
end
xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
xml.element("media:description") { xml.text video.description }
end
xml.element("media:community") do
xml.element("media:statistics", views: video.views)
end
end
end
end
end
feed
end
get "/feed/private" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/atom+xml"
token = env.params.query["token"]?
if !token
env.response.status_code = 403
next
end
user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User)
if !user
env.response.status_code = 403
next
end
max_results = env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
page = env.params.query["page"]?.try &.to_i?
page ||= 1
if max_results < 0
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
latest_only = env.params.query["latest_only"]?.try &.to_i?
latest_only ||= 0
latest_only = latest_only == 1
sort = env.params.query["sort"]?
sort ||= "published"
view_name = "subscriptions_#{sha256(user.email)}"
if latest_only
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
ORDER BY ucid, published DESC", as: ChannelVideo)
videos.sort_by! { |video| video.published }.reverse!
else
videos = PG_DB.query_all("SELECT * FROM #{view_name} \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
end
case sort
when "reverse_published"
videos.sort_by! { |video| video.published }
when "alphabetically"
videos.sort_by! { |video| video.title }
when "reverse_alphabetically"
videos.sort_by! { |video| video.title }.reverse!
when "channel_name"
videos.sort_by! { |video| video.author }
when "reverse_channel_name"
videos.sort_by! { |video| video.author }.reverse!
end
if !limit
videos = videos[0..max_results]
end
host_url = make_host_url(config, Kemal.config)
path = env.request.path
query = env.request.query.not_nil!
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
"xml:lang": "en-US") do
xml.element("link", "type": "text/html", rel: "alternate", href: "#{host_url}/feed/subscriptions")
xml.element("link", "type": "application/atom+xml", rel: "self", href: "#{host_url}#{path}?#{query}")
xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) }
videos.each do |video|
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
xml.element("yt:channelId") { xml.text video.ucid }
xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
xml.element("author") do
xml.element("name") { xml.text video.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" }
end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do
xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg")
end
end
end
xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("updated") { xml.text video.updated.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
end
end
end
end
end
feed
end
get "/feed/playlist/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/atom+xml"
plid = env.params.url["plid"]
host_url = make_host_url(config, Kemal.config)
path = env.request.path
client = make_client(YT_URL)
response = client.get("/feeds/videos.xml?playlist_id=#{plid}")
document = XML.parse(response.body)
document.xpath_nodes(%q(//*[@href]|//*[@url])).each do |node|
node.attributes.each do |attribute|
case attribute.name
when "url"
node["url"] = "#{host_url}#{URI.parse(node["url"]).full_path}"
when "href"
node["href"] = "#{host_url}#{URI.parse(node["href"]).full_path}"
end
end
end
document = document.to_xml(options: XML::SaveOptions::NO_DECL)
document.scan(/<uri>(?<url>[^<]+)<\/uri>/).each do |match|
content = "#{host_url}#{URI.parse(match["url"]).full_path}"
document = document.gsub(match[0], "<uri>#{content}</uri>")
end
document
end
get "/feeds/videos.xml" do |env|
if ucid = env.params.query["channel_id"]?
env.redirect "/feed/channel/#{ucid}"
elsif user = env.params.query["user"]?
env.redirect "/feed/channel/#{user}"
elsif plid = env.params.query["playlist_id"]?
env.redirect "/feed/playlist/#{plid}"
end
end
# Support push notifications via PubSubHubbub
get "/feed/webhook/:token" do |env|
verify_token = env.params.url["token"]
mode = env.params.query["hub.mode"]
topic = env.params.query["hub.topic"]
challenge = env.params.query["hub.challenge"]
if verify_token.starts_with? "v1"
_, time, nonce, signature = verify_token.split(":")
data = "#{time}:#{nonce}"
else
time, signature = verify_token.split(":")
data = "#{time}"
end
# The hub will sometimes check if we're still subscribed after delivery errors,
# so we reply with a 200 as long as the request hasn't expired
if Time.now.to_unix - time.to_i > 432000
env.response.status_code = 400
next
end
if OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, data) != signature
env.response.status_code = 400
next
end
ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"]
PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.now, ucid)
env.response.status_code = 200
next challenge
end
post "/feed/webhook/:token" do |env|
token = env.params.url["token"]
body = env.request.body.not_nil!.gets_to_end
signature = env.request.headers["X-Hub-Signature"].lchop("sha1=")
if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body)
logger.write("#{token} : Invalid signature")
env.response.status_code = 200
next
end
spawn do
rss = XML.parse_html(body)
rss.xpath_nodes("//feed/entry").each do |entry|
id = entry.xpath_node("videoid").not_nil!.content
author = entry.xpath_node("author/name").not_nil!.content
published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
video = get_video(id, PG_DB, proxies, region: nil)
video = ChannelVideo.new(id, video.title, published, updated, video.ucid, author, video.length_seconds, video.live_now, video.premiere_timestamp)
PG_DB.exec("UPDATE users SET notifications = notifications || $1 \
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, video.ucid)
video_array = video.to_a
args = arg_array(video_array)
PG_DB.exec("INSERT INTO channel_videos VALUES (#{args}) \
ON CONFLICT (id) DO UPDATE SET title = $2, published = $3, \
updated = $4, ucid = $5, author = $6, length_seconds = $7, \
live_now = $8, premiere_timestamp = $9", video_array)
end
end
env.response.status_code = 200
next
end
# Channels
# YouTube appears to let users set a "brand" URL that
# is different from their username, so we convert that here
get "/c/:user" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
client = make_client(YT_URL)
user = env.params.url["user"]
response = client.get("/c/#{user}")
document = XML.parse_html(response.body)
anchor = document.xpath_node(%q(//a[contains(@class,"branded-page-header-title-link")]))
if !anchor
next env.redirect "/"
end
env.redirect anchor["href"]
end
# Legacy endpoint for /user/:username
get "/profile" do |env|
user = env.params.query["user"]?
if !user
env.redirect "/"
else
env.redirect "/user/#{user}"
end
end
get "/user/:user" do |env|
user = env.params.url["user"]
env.redirect "/channel/#{user}"
end
get "/user/:user/videos" do |env|
user = env.params.url["user"]
env.redirect "/channel/#{user}/videos"
end
get "/channel/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
if user
user = user.as(User)
subscriptions = user.subscriptions
end
subscriptions ||= [] of String
ucid = env.params.url["ucid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
continuation = env.params.query["continuation"]?
sort_by = env.params.query["sort_by"]?.try &.downcase
begin
author, ucid, auto_generated, sub_count = get_about_info(ucid, locale)
rescue ex
error_message = ex.message
next templated "error"
end
if !auto_generated
env.set "search", "channel:#{ucid} "
end
if auto_generated
sort_options = {"last", "oldest", "newest"}
sort_by ||= "last"
items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by)
items.uniq! do |item|
if item.responds_to?(:title)
item.title
elsif item.responds_to?(:author)
item.author
end
end
items.select! { |item| item.responds_to?(:thumbnail_id) && item.thumbnail_id }
items = items.map { |item| item.as(SearchPlaylist) }
items.each { |item| item.author = "" }
else
sort_options = {"newest", "oldest", "popular"}
sort_by ||= "newest"
items, count = get_60_videos(ucid, page, auto_generated, sort_by)
items.select! { |item| !item.paid }
end
templated "channel"
end
get "/channel/:ucid/videos" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
ucid = env.params.url["ucid"]
params = env.request.query
if !params || params.empty?
params = ""
else
params = "?#{params}"
end
env.redirect "/channel/#{ucid}#{params}"
end
get "/channel/:ucid/playlists" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
if user
user = user.as(User)
subscriptions = user.subscriptions
end
subscriptions ||= [] of String
ucid = env.params.url["ucid"]
continuation = env.params.query["continuation"]?
sort_by = env.params.query["sort_by"]?.try &.downcase
sort_by ||= "last"
begin
author, ucid, auto_generated, sub_count = get_about_info(ucid, locale)
rescue ex
error_message = ex.message
next templated "error"
end
if auto_generated
next env.redirect "/channel/#{ucid}"
end
items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by)
items.select! { |item| item.is_a?(SearchPlaylist) && !item.videos.empty? }
items = items.map { |item| item.as(SearchPlaylist) }
items.each { |item| item.author = "" }
templated "playlists"
end
# API Endpoints
get "/api/v1/stats" do |env|
env.response.content_type = "application/json"
if !config.statistics_enabled
error_message = {"error" => "Statistics are not enabled."}.to_json
env.response.status_code = 400
next error_message
end
if statistics["error"]?
env.response.status_code = 500
next statistics.to_json
end
statistics.to_json
end
get "/api/v1/captions/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
id = env.params.url["id"]
region = env.params.query["region"]?
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB, proxies, region: region)
rescue ex : VideoRedirect
next env.redirect "/api/v1/captions/#{ex.message}"
rescue ex
env.response.status_code = 500
next
end
captions = video.captions
label = env.params.query["label"]?
lang = env.params.query["lang"]?
tlang = env.params.query["tlang"]?
if !label && !lang
response = JSON.build do |json|
json.object do
json.field "captions" do
json.array do
captions.each do |caption|
json.object do
json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}"
end
end
end
end
end
end
next response
end
env.response.content_type = "text/vtt"
caption = captions.select { |caption| caption.name.simpleText == label }
if lang
caption = captions.select { |caption| caption.languageCode == lang }
end
if caption.empty?
env.response.status_code = 404
next
else
caption = caption[0]
end
caption_xml = client.get(caption.baseUrl + "&tlang=#{tlang}").body
caption_xml = XML.parse(caption_xml)
webvtt = <<-END_VTT
WEBVTT
Kind: captions
Language: #{tlang || caption.languageCode}
END_VTT
caption_nodes = caption_xml.xpath_nodes("//transcript/text")
caption_nodes.each_with_index do |node, i|
start_time = node["start"].to_f.seconds
duration = node["dur"]?.try &.to_f.seconds
duration ||= start_time
if caption_nodes.size > i + 1
end_time = caption_nodes[i + 1]["start"].to_f.seconds
else
end_time = start_time + duration
end
start_time = "#{start_time.hours.to_s.rjust(2, '0')}:#{start_time.minutes.to_s.rjust(2, '0')}:#{start_time.seconds.to_s.rjust(2, '0')}.#{start_time.milliseconds.to_s.rjust(3, '0')}"
end_time = "#{end_time.hours.to_s.rjust(2, '0')}:#{end_time.minutes.to_s.rjust(2, '0')}:#{end_time.seconds.to_s.rjust(2, '0')}.#{end_time.milliseconds.to_s.rjust(3, '0')}"
text = HTML.unescape(node.content)
text = text.gsub(/<font color="#[a-fA-F0-9]{6}">/, "")
text = text.gsub(/<\/font>/, "")
if md = text.match(/(?<name>.*) : (?<text>.*)/)
text = "<v #{md["name"]}>#{md["text"]}</v>"
end
webvtt = webvtt + <<-END_CUE
#{start_time} --> #{end_time}
#{text}
END_CUE
end
if title = env.params.query["title"]?
# https://blog.fastmail.com/2011/06/24/download-non-english-filenames/
env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}"
end
webvtt
end
get "/api/v1/comments/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
region = env.params.query["region"]?
env.response.content_type = "application/json"
id = env.params.url["id"]
source = env.params.query["source"]?
source ||= "youtube"
thin_mode = env.params.query["thin_mode"]?
thin_mode = thin_mode == "true"
format = env.params.query["format"]?
format ||= "json"
sort_by = env.params.query["sort_by"]?.try &.downcase
sort_by ||= "top"
continuation = env.params.query["continuation"]?
if source == "youtube"
begin
comments = fetch_youtube_comments(id, PG_DB, continuation, proxies, format, locale, thin_mode, region, sort_by: sort_by)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
next comments
elsif source == "reddit"
begin
comments, reddit_thread = fetch_reddit_comments(id)
content_html = template_reddit_comments(comments, locale)
content_html = fill_links(content_html, "https", "www.reddit.com")
content_html = replace_links(content_html)
rescue ex
comments = nil
reddit_thread = nil
content_html = ""
end
if !reddit_thread || !comments
env.response.status_code = 404
next
end
if format == "json"
reddit_thread = JSON.parse(reddit_thread.to_json).as_h
reddit_thread["comments"] = JSON.parse(comments.to_json)
next reddit_thread.to_json
else
response = {
"title" => reddit_thread.title,
"permalink" => reddit_thread.permalink,
"contentHtml" => content_html,
}
next response.to_json
end
end
end
get "/api/v1/insights/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
id = env.params.url["id"]
env.response.content_type = "application/json"
error_message = {"error" => "YouTube has removed publicly-available analytics."}.to_json
env.response.status_code = 410
next error_message
client = make_client(YT_URL)
headers = HTTP::Headers.new
html = client.get("/watch?v=#{id}&gl=US&hl=en&disable_polymer=1")
headers["cookie"] = html.cookies.add_request_headers(headers)["cookie"]
headers["content-type"] = "application/x-www-form-urlencoded"
headers["x-client-data"] = "CIi2yQEIpbbJAQipncoBCNedygEIqKPKAQ=="
headers["x-spf-previous"] = "https://www.youtube.com/watch?v=#{id}"
headers["x-spf-referer"] = "https://www.youtube.com/watch?v=#{id}"
headers["x-youtube-client-name"] = "1"
headers["x-youtube-client-version"] = "2.20180719"
body = html.body
session_token = body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"]
post_req = {
"session_token" => session_token,
}
post_req = HTTP::Params.encode(post_req)
response = client.post("/insight_ajax?action_get_statistics_and_data=1&v=#{id}", headers, post_req).body
response = XML.parse(response)
html_content = XML.parse_html(response.xpath_node(%q(//html_content)).not_nil!.content)
graph_data = response.xpath_node(%q(//graph_data))
if !graph_data
error = html_content.xpath_node(%q(//p)).not_nil!.content
next {"error" => error}.to_json
end
graph_data = JSON.parse(graph_data.content)
view_count = 0_i64
time_watched = 0_i64
subscriptions_driven = 0
shares = 0
stats_nodes = html_content.xpath_nodes(%q(//table/tr/td))
stats_nodes.each do |node|
key = node.xpath_node(%q(.//span))
value = node.xpath_node(%q(.//div))
if !key || !value
next
end
key = key.content
value = value.content
case key
when "Views"
view_count = value.delete(", ").to_i64
when "Time watched"
time_watched = value
when "Subscriptions driven"
subscriptions_driven = value.delete(", ").to_i
when "Shares"
shares = value.delete(", ").to_i
end
end
avg_view_duration_seconds = html_content.xpath_node(%q(//div[@id="stats-chart-tab-watch-time"]/span/span[2])).not_nil!.content
avg_view_duration_seconds = decode_length_seconds(avg_view_duration_seconds)
response = {
"viewCount" => view_count,
"timeWatchedText" => time_watched,
"subscriptionsDriven" => subscriptions_driven,
"shares" => shares,
"avgViewDurationSeconds" => avg_view_duration_seconds,
"graphData" => graph_data,
}
next response.to_json
end
get "/api/v1/annotations/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "text/xml"
id = env.params.url["id"]
source = env.params.query["source"]?
source ||= "archive"
if !id.match(/[a-zA-Z0-9_-]{11}/)
env.response.status_code = 400
next
end
annotations = ""
case source
when "archive"
index = CHARS_SAFE.index(id[0]).not_nil!.to_s.rjust(2, '0')
# IA doesn't handle leading hyphens,
# so we use https://archive.org/details/youtubeannotations_64
if index == "62"
index = "64"
id = id.sub(/^-/, 'A')
end
file = URI.escape("#{id[0, 3]}/#{id}.xml")
client = make_client(ARCHIVE_URL)
location = client.get("/download/youtubeannotations_#{index}/#{id[0, 2]}.tar/#{file}")
if !location.headers["Location"]?
env.response.status_code = location.status_code
end
response = HTTP::Client.get(URI.parse(location.headers["Location"]))
if response.body.empty?
env.response.status_code = 404
next
end
if response.status_code != 200
env.response.status_code = response.status_code
next
end
annotations = response.body
when "youtube"
client = make_client(YT_URL)
response = client.get("/annotations_invideo?video_id=#{id}")
if response.status_code != 200
env.response.status_code = response.status_code
next
end
annotations = response.body
end
annotations
end
get "/api/v1/videos/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
id = env.params.url["id"]
region = env.params.query["region"]?
begin
video = get_video(id, PG_DB, proxies, region: region)
rescue ex : VideoRedirect
next env.redirect "/api/v1/videos/#{ex.message}"
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
captions = video.captions
video_info = JSON.build do |json|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "storyboards" do
generate_storyboards(json, video.storyboards, config, Kemal.config)
end
video.description, description = html_to_content(video.description)
json.field "description", description
json.field "descriptionHtml", video.description
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "keywords", video.keywords
json.field "viewCount", video.views
json.field "likeCount", video.likes
json.field "dislikeCount", video.dislikes
json.field "paid", video.paid
json.field "premium", video.premium
json.field "isFamilyFriendly", video.is_family_friendly
json.field "allowedRegions", video.allowed_regions
json.field "genre", video.genre
json.field "genreUrl", video.genre_url
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", video.author_thumbnail.gsub("=s48-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCountText", video.sub_count_text
json.field "lengthSeconds", video.info["length_seconds"].to_i
json.field "allowRatings", video.allow_ratings
json.field "rating", video.info["avg_rating"].to_f32
json.field "isListed", video.is_listed
json.field "liveNow", video.live_now
json.field "isUpcoming", video.is_upcoming
if video.premiere_timestamp
json.field "premiereTimestamp", video.premiere_timestamp.not_nil!.to_unix
end
if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]?
host_url = make_host_url(config, Kemal.config)
host_params = env.request.query_params
host_params.delete_all("v")
hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
json.field "hlsUrl", hlsvp
end
json.field "dashUrl", "#{make_host_url(config, Kemal.config)}/api/manifest/dash/id/#{id}"
json.field "adaptiveFormats" do
json.array do
adaptive_fmts.each do |fmt|
json.object do
json.field "index", fmt["index"]
json.field "bitrate", fmt["bitrate"]
json.field "init", fmt["init"]
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "clen", fmt["clen"]
json.field "lmt", fmt["lmt"]
json.field "projectionType", fmt["projection_type"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "formatStreams" do
json.array do
fmt_stream.each do |fmt|
json.object do
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "captions" do
json.array do
captions.each do |caption|
json.object do
json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}"
end
end
end
end
json.field "recommendedVideos" do
json.array do
video.info["rvs"]?.try &.split(",").each do |rv|
rv = HTTP::Params.parse(rv)
if rv["id"]?
json.object do
json.field "videoId", rv["id"]
json.field "title", rv["title"]
json.field "videoThumbnails" do
generate_thumbnails(json, rv["id"], config, Kemal.config)
end
json.field "author", rv["author"]
json.field "lengthSeconds", rv["length_seconds"].to_i
json.field "viewCountText", rv["short_view_count_text"]
end
end
end
end
end
end
end
video_info
end
get "/api/v1/trending" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
region = env.params.query["region"]?
trending_type = env.params.query["type"]?
begin
trending = fetch_trending(trending_type, proxies, region, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
videos = JSON.build do |json|
json.array do
trending.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "lengthSeconds", video.length_seconds
json.field "viewCount", video.views
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "description", video.description
json.field "descriptionHtml", video.description_html
json.field "liveNow", video.live_now
json.field "paid", video.paid
json.field "premium", video.premium
end
end
end
end
videos
end
get "/api/v1/popular" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
videos = JSON.build do |json|
json.array do
popular_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "lengthSeconds", video.length_seconds
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
end
end
end
end
videos
end
get "/api/v1/top" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
if !config.top_enabled
error_message = {"error" => "Administrator has disabled this endpoint."}.to_json
env.response.status_code = 400
next error_message
end
videos = JSON.build do |json|
json.array do
top_videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "lengthSeconds", video.info["length_seconds"].to_i
json.field "viewCount", video.views
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
description = video.description.gsub("<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
videos
end
get "/api/v1/channels/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
ucid = env.params.url["ucid"]
sort_by = env.params.query["sort_by"]?.try &.downcase
sort_by ||= "newest"
begin
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
page = 1
if auto_generated
videos = [] of SearchVideo
count = 0
else
begin
videos, count = get_60_videos(ucid, page, auto_generated, sort_by)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
end
client = make_client(YT_URL)
channel_html = client.get("/channel/#{ucid}/about?disable_polymer=1").body
channel_html = XML.parse_html(channel_html)
banner = channel_html.xpath_node(%q(//div[@id="gh-banner"]/style)).not_nil!.content
banner = "https:" + banner.match(/background-image: url\((?<url>[^)]+)\)/).not_nil!["url"]
author = channel_html.xpath_node(%q(//a[contains(@class, "branded-page-header-title-link")])).not_nil!.content
author_url = channel_html.xpath_node(%q(//a[@class="channel-header-profile-image-container spf-link"])).not_nil!["href"]
author_thumbnail = channel_html.xpath_node(%q(//img[@class="channel-header-profile-image"])).not_nil!["src"]
description_html = channel_html.xpath_node(%q(//div[contains(@class,"about-description")]))
description_html, description = html_to_content(description_html)
paid = channel_html.xpath_node(%q(//meta[@itemprop="paid"])).not_nil!["content"] == "True"
is_family_friendly = channel_html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True"
allowed_regions = channel_html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",")
related_channels = channel_html.xpath_nodes(%q(//div[contains(@class, "branded-page-related-channels")]/ul/li))
related_channels = related_channels.map do |node|
related_id = node["data-external-id"]?
related_id ||= ""
anchor = node.xpath_node(%q(.//h3[contains(@class, "yt-lockup-title")]/a))
related_title = anchor.try &.["title"]
related_title ||= ""
related_author_url = anchor.try &.["href"]
related_author_url ||= ""
related_author_thumbnail = node.xpath_node(%q(.//img)).try &.["data-thumb"]
related_author_thumbnail ||= ""
{
id: related_id,
author: related_title,
author_url: related_author_url,
author_thumbnail: related_author_thumbnail,
}
end
total_views = 0_i64
sub_count = 0_i64
joined = Time.unix(0)
metadata = channel_html.xpath_nodes(%q(//span[@class="about-stat"]))
metadata.each do |item|
case item.content
when .includes? "views"
total_views = item.content.delete("views •,").to_i64
when .includes? "subscribers"
sub_count = item.content.delete("subscribers").delete(",").to_i64
when .includes? "Joined"
joined = Time.parse(item.content.lchop("Joined "), "%b %-d, %Y", Time::Location.local)
end
end
channel_info = JSON.build do |json|
json.object do
json.field "author", author
json.field "authorId", ucid
json.field "authorUrl", author_url
json.field "authorBanners" do
json.array do
qualities = {
{width: 2560, height: 424},
{width: 2120, height: 351},
{width: 1060, height: 175},
}
qualities.each do |quality|
json.object do
json.field "url", banner.gsub("=w1060", "=w#{quality[:width]}")
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
json.object do
json.field "url", banner.rchop("=w1060-fcrop64=1,00005a57ffffa5a8-nd-c0xffffffff-rj-k-no")
json.field "width", 512
json.field "height", 288
end
end
end
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", author_thumbnail.gsub("/s100-", "/s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCount", sub_count
json.field "totalViews", total_views
json.field "joined", joined.to_unix
json.field "paid", paid
json.field "autoGenerated", auto_generated
json.field "isFamilyFriendly", is_family_friendly
json.field "description", description
json.field "descriptionHtml", description_html
json.field "allowedRegions", allowed_regions
json.field "latestVideos" do
json.array do
videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
if auto_generated
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
else
json.field "author", author
json.field "authorId", ucid
json.field "authorUrl", "/channel/#{ucid}"
end
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "description", video.description
json.field "descriptionHtml", video.description_html
json.field "viewCount", video.views
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "lengthSeconds", video.length_seconds
json.field "liveNow", video.live_now
json.field "paid", video.paid
json.field "premium", video.premium
end
end
end
end
json.field "relatedChannels" do
json.array do
related_channels.each do |related_channel|
json.object do
json.field "author", related_channel[:author]
json.field "authorId", related_channel[:id]
json.field "authorUrl", related_channel[:author_url]
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", related_channel[:author_thumbnail].gsub("=s48-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
end
end
end
end
end
end
channel_info
end
["/api/v1/channels/:ucid/videos", "/api/v1/channels/videos/:ucid"].each do |route|
get route do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
ucid = env.params.url["ucid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
sort_by = env.params.query["sort"]?.try &.downcase
sort_by ||= env.params.query["sort_by"]?.try &.downcase
sort_by ||= "newest"
begin
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
begin
videos, count = get_60_videos(ucid, page, auto_generated, sort_by)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
result = JSON.build do |json|
json.array do
videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
if auto_generated
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
else
json.field "author", author
json.field "authorId", ucid
json.field "authorUrl", "/channel/#{ucid}"
end
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "description", video.description
json.field "descriptionHtml", video.description_html
json.field "viewCount", video.views
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "lengthSeconds", video.length_seconds
json.field "liveNow", video.live_now
json.field "paid", video.paid
json.field "premium", video.premium
end
end
end
end
result
end
end
["/api/v1/channels/:ucid/latest", "/api/v1/channels/latest/:ucid"].each do |route|
get route do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
ucid = env.params.url["ucid"]
begin
videos = get_latest_videos(ucid)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
response = JSON.build do |json|
json.array do
videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "authorId", ucid
json.field "authorUrl", "/channel/#{ucid}"
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "description", video.description
json.field "descriptionHtml", video.description_html
json.field "viewCount", video.views
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "lengthSeconds", video.length_seconds
json.field "liveNow", video.live_now
json.field "paid", video.paid
json.field "premium", video.premium
end
end
end
end
response
end
end
["/api/v1/channels/:ucid/playlists", "/api/v1/channels/playlists/:ucid"].each do |route|
get route do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
ucid = env.params.url["ucid"]
continuation = env.params.query["continuation"]?
sort_by = env.params.query["sort"]?.try &.downcase
sort_by ||= env.params.query["sort_by"]?.try &.downcase
sort_by ||= "last"
begin
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by)
response = JSON.build do |json|
json.object do
json.field "playlists" do
json.array do
items.each do |item|
json.object do
if item.is_a?(SearchPlaylist)
json.field "title", item.title
json.field "playlistId", item.id
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "videoCount", item.video_count
json.field "videos" do
json.array do
item.videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "lengthSeconds", video.length_seconds
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
end
end
end
end
end
end
end
end
end
json.field "continuation", continuation
end
end
response
end
end
get "/api/v1/channels/search/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
ucid = env.params.url["ucid"]
query = env.params.query["q"]?
query ||= ""
page = env.params.query["page"]?.try &.to_i?
page ||= 1
count, search_results = channel_search(query, page, ucid)
response = JSON.build do |json|
json.array do
search_results.each do |item|
json.object do
case item
when SearchVideo
json.field "type", "video"
json.field "title", item.title
json.field "videoId", item.id
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "videoThumbnails" do
generate_thumbnails(json, item.id, config, Kemal.config)
end
json.field "description", item.description
json.field "descriptionHtml", item.description_html
json.field "viewCount", item.views
json.field "published", item.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(item.published, locale))
json.field "lengthSeconds", item.length_seconds
json.field "liveNow", item.live_now
json.field "paid", item.paid
json.field "premium", item.premium
when SearchPlaylist
json.field "type", "playlist"
json.field "title", item.title
json.field "playlistId", item.id
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "videoCount", item.video_count
json.field "videos" do
json.array do
item.videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "lengthSeconds", video.length_seconds
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
end
end
end
end
when SearchChannel
json.field "type", "channel"
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", item.author_thumbnail.gsub("=s176-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCount", item.subscriber_count
json.field "videoCount", item.video_count
json.field "description", item.description
json.field "descriptionHtml", item.description_html
end
end
end
end
end
response
end
get "/api/v1/search" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
region = env.params.query["region"]?
env.response.content_type = "application/json"
query = env.params.query["q"]?
query ||= ""
page = env.params.query["page"]?.try &.to_i?
page ||= 1
sort_by = env.params.query["sort_by"]?.try &.downcase
sort_by ||= "relevance"
date = env.params.query["date"]?.try &.downcase
date ||= ""
duration = env.params.query["duration"]?.try &.downcase
duration ||= ""
features = env.params.query["features"]?.try &.split(",").map { |feature| feature.downcase }
features ||= [] of String
content_type = env.params.query["type"]?.try &.downcase
content_type ||= "video"
begin
search_params = produce_search_params(sort_by, date, content_type, duration, features)
rescue ex
env.response.status_code = 400
next JSON.build do |json|
json.object do
json.field "error", ex.message
end
end
end
count, search_results = search(query, page, search_params, proxies, region).as(Tuple)
response = JSON.build do |json|
json.array do
search_results.each do |item|
json.object do
case item
when SearchVideo
json.field "type", "video"
json.field "title", item.title
json.field "videoId", item.id
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "videoThumbnails" do
generate_thumbnails(json, item.id, config, Kemal.config)
end
json.field "description", item.description
json.field "descriptionHtml", item.description_html
json.field "viewCount", item.views
json.field "published", item.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(item.published, locale))
json.field "lengthSeconds", item.length_seconds
json.field "liveNow", item.live_now
json.field "paid", item.paid
json.field "premium", item.premium
when SearchPlaylist
json.field "type", "playlist"
json.field "title", item.title
json.field "playlistId", item.id
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "videoCount", item.video_count
json.field "videos" do
json.array do
item.videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "lengthSeconds", video.length_seconds
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
end
end
end
end
when SearchChannel
json.field "type", "channel"
json.field "author", item.author
json.field "authorId", item.ucid
json.field "authorUrl", "/channel/#{item.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", item.author_thumbnail.gsub("=s176-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCount", item.subscriber_count
json.field "videoCount", item.video_count
json.field "description", item.description
json.field "descriptionHtml", item.description_html
end
end
end
end
end
response
end
get "/api/v1/playlists/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
plid = env.params.url["plid"]
page = env.params.query["page"]?.try &.to_i?
page ||= 1
format = env.params.query["format"]?
format ||= "json"
continuation = env.params.query["continuation"]?
if plid.starts_with? "RD"
next env.redirect "/api/v1/mixes/#{plid}"
end
begin
playlist = fetch_playlist(plid, locale)
rescue ex
error_message = {"error" => "Playlist is empty"}.to_json
env.response.status_code = 500
next error_message
end
begin
videos = fetch_playlist_videos(plid, page, playlist.video_count, continuation, locale)
rescue ex
videos = [] of PlaylistVideo
end
response = JSON.build do |json|
json.object do
json.field "title", playlist.title
json.field "playlistId", playlist.id
json.field "author", playlist.author
json.field "authorId", playlist.ucid
json.field "authorUrl", "/channel/#{playlist.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", playlist.author_thumbnail.gsub("=s100-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "description", playlist.description
json.field "descriptionHtml", playlist.description_html
json.field "videoCount", playlist.video_count
json.field "viewCount", playlist.views
json.field "updated", playlist.updated.to_unix
json.field "videos" do
json.array do
videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "index", video.index
json.field "lengthSeconds", video.length_seconds
end
end
end
end
end
end
if format == "html"
response = JSON.parse(response)
playlist_html = template_playlist(response)
next_video = response["videos"].as_a[1]?.try &.["videoId"]
response = {
"playlistHtml" => playlist_html,
"nextVideo" => next_video,
}.to_json
end
response
end
get "/api/v1/mixes/:rdid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
rdid = env.params.url["rdid"]
continuation = env.params.query["continuation"]?
continuation ||= rdid.lchop("RD")[0, 11]
format = env.params.query["format"]?
format ||= "json"
begin
mix = fetch_mix(rdid, continuation, locale: locale)
if !rdid.ends_with? continuation
mix = fetch_mix(rdid, mix.videos[1].id)
index = mix.videos.index(mix.videos.select { |video| video.id == continuation }[0]?)
end
index ||= 0
mix.videos = mix.videos[index..-1]
rescue ex
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
response = JSON.build do |json|
json.object do
json.field "title", mix.title
json.field "mixId", mix.id
json.field "videos" do
json.array do
mix.videos.each do |video|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "videoThumbnails" do
json.array do
generate_thumbnails(json, video.id, config, Kemal.config)
end
end
json.field "index", video.index
json.field "lengthSeconds", video.length_seconds
end
end
end
end
end
end
if format == "html"
response = JSON.parse(response)
playlist_html = template_mix(response)
next_video = response["videos"].as_a[1]?.try &.["videoId"]
next_video ||= ""
response = {
"playlistHtml" => playlist_html,
"nextVideo" => next_video,
}.to_json
end
response
end
get "/api/manifest/dash/id/videoplayback" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.redirect "/videoplayback?#{env.params.query}"
end
get "/api/manifest/dash/id/videoplayback/*" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.redirect env.request.path.lchop("/api/manifest/dash/id")
end
get "/api/manifest/dash/id/:id" do |env|
env.response.headers.add("Access-Control-Allow-Origin", "*")
env.response.content_type = "application/dash+xml"
local = env.params.query["local"]?.try &.== "true"
id = env.params.url["id"]
region = env.params.query["region"]?
client = make_client(YT_URL)
begin
video = get_video(id, PG_DB, proxies, region: region)
rescue ex : VideoRedirect
url = "/api/manifest/dash/id/#{ex.message}"
if local
url += "?local=true"
end
next env.redirect url
rescue ex
env.response.status_code = 403
next
end
if dashmpd = video.player_response["streamingData"]?.try &.["dashManifestUrl"]?.try &.as_s
manifest = client.get(dashmpd).body
manifest = manifest.gsub(/<BaseURL>[^<]+<\/BaseURL>/) do |baseurl|
url = baseurl.lchop("<BaseURL>")
url = url.rchop("</BaseURL>")
if local
url = URI.parse(url).full_path.lchop("/")
end
"<BaseURL>#{url}</BaseURL>"
end
next manifest
end
adaptive_fmts = video.adaptive_fmts(decrypt_function)
if local
adaptive_fmts.each do |fmt|
fmt["url"] = URI.parse(fmt["url"]).full_path.lchop("/")
end
end
audio_streams = video.audio_streams(adaptive_fmts)
video_streams = video.video_streams(adaptive_fmts)
XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("MPD", "xmlns": "urn:mpeg:dash:schema:mpd:2011",
"profiles": "urn:mpeg:dash:profile:isoff-live:2011", minBufferTime: "PT1.5S", type: "static",
mediaPresentationDuration: "PT#{video.info["length_seconds"]}S") do
xml.element("Period") do
i = 0
{"audio/mp4", "audio/webm"}.each do |mime_type|
xml.element("AdaptationSet", id: i, mimeType: mime_type, startWithSAP: 1, subsegmentAlignment: true) do
audio_streams.select { |stream| stream["type"].starts_with? mime_type }.each do |fmt|
codecs = fmt["type"].split("codecs=")[1].strip('"')
bandwidth = fmt["bitrate"]
itag = fmt["itag"]
url = fmt["url"]
xml.element("Representation", id: fmt["itag"], codecs: codecs, bandwidth: bandwidth) do
xml.element("AudioChannelConfiguration", schemeIdUri: "urn:mpeg:dash:23003:3:audio_channel_configuration:2011",
value: "2")
xml.element("BaseURL") { xml.text url }
xml.element("SegmentBase", indexRange: fmt["index"]) do
xml.element("Initialization", range: fmt["init"])
end
end
end
end
i += 1
end
{"video/mp4", "video/webm"}.each do |mime_type|
xml.element("AdaptationSet", id: i, mimeType: mime_type, startWithSAP: 1, subsegmentAlignment: true, scanType: "progressive") do
video_streams.select { |stream| stream["type"].starts_with? mime_type }.each do |fmt|
codecs = fmt["type"].split("codecs=")[1].strip('"')
bandwidth = fmt["bitrate"]
itag = fmt["itag"]
url = fmt["url"]
width, height = fmt["size"].split("x")
xml.element("Representation", id: itag, codecs: codecs, width: width, height: height,
startWithSAP: "1", maxPlayoutRate: "1",
bandwidth: bandwidth, frameRate: fmt["fps"]) do
xml.element("BaseURL") { xml.text url }
xml.element("SegmentBase", indexRange: fmt["index"]) do
xml.element("Initialization", range: fmt["init"])
end
end
end
end
i += 1
end
end
end
end
end
get "/api/manifest/hls_variant/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
env.response.status_code = manifest.status_code
next
end
env.response.content_type = "application/x-mpegURL"
env.response.headers.add("Access-Control-Allow-Origin", "*")
host_url = make_host_url(config, Kemal.config)
manifest = manifest.body
manifest.gsub("https://www.youtube.com", host_url)
end
get "/api/manifest/hls_playlist/*" do |env|
client = make_client(YT_URL)
manifest = client.get(env.request.path)
if manifest.status_code != 200
env.response.status_code = manifest.status_code
next
end
host_url = make_host_url(config, Kemal.config)
manifest = manifest.body.gsub("https://www.youtube.com", host_url)
manifest = manifest.gsub(/https:\/\/r\d---.{11}\.c\.youtube\.com/, host_url)
fvip = manifest.match(/hls_chunk_host\/r(?<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
# YouTube /videoplayback links expire after 6 hours,
# so we have a mechanism here to redirect to the latest version
get "/latest_version" do |env|
if env.params.query["download_widget"]?
download_widget = JSON.parse(env.params.query["download_widget"])
id = download_widget["id"].as_s
title = download_widget["title"].as_s
if label = download_widget["label"]?
env.redirect "/api/v1/captions/#{id}?label=#{label}&title=#{title}"
next
else
itag = download_widget["itag"].as_s
local = "true"
end
end
id ||= env.params.query["id"]?
itag ||= env.params.query["itag"]?
region = env.params.query["region"]?
local ||= env.params.query["local"]?
local ||= "false"
local = local == "true"
if !id || !itag
env.response.status_code = 400
next
end
video = get_video(id, PG_DB, proxies, region: region)
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
urls = (fmt_stream + adaptive_fmts).select { |fmt| fmt["itag"] == itag }
if urls.empty?
env.response.status_code = 404
next
elsif urls.size > 1
env.response.status_code = 409
next
end
url = urls[0]["url"]
if local
url = URI.parse(url).full_path.not_nil!
end
if title
url += "&title=#{title}"
end
env.redirect url
end
options "/videoplayback" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
end
options "/videoplayback/*" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
end
options "/api/manifest/dash/id/videoplayback" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
end
options "/api/manifest/dash/id/videoplayback/*" do |env|
env.response.headers.delete("Content-Type")
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.response.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
env.response.headers["Access-Control-Allow-Headers"] = "Content-Type, Range"
end
get "/videoplayback/*" do |env|
path = env.request.path
path = path.lchop("/videoplayback/")
path = path.rchop("/")
path = path.gsub(/mime\/\w+\/\w+/) do |mimetype|
mimetype = mimetype.split("/")
mimetype[0] + "/" + mimetype[1] + "%2F" + mimetype[2]
end
path = path.split("/")
raw_params = {} of String => Array(String)
path.each_slice(2) do |pair|
key, value = pair
value = URI.unescape(value)
if raw_params[key]?
raw_params[key] << value
else
raw_params[key] = [value]
end
end
query_params = HTTP::Params.new(raw_params)
env.response.headers["Access-Control-Allow-Origin"] = "*"
env.redirect "/videoplayback?#{query_params}"
end
get "/videoplayback" do |env|
query_params = env.params.query
fvip = query_params["fvip"]? || "3"
mns = query_params["mn"].split(",")
if query_params["region"]?
region = query_params["region"]
query_params.delete("region")
end
if query_params["host"]? && !query_params["host"].empty?
host = "https://#{query_params["host"]}"
query_params.delete("host")
else
host = "https://r#{fvip}---#{mns.pop}.googlevideo.com"
end
url = "/videoplayback?#{query_params.to_s}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
response = HTTP::Client::Response.new(403)
5.times do
begin
client = make_client(URI.parse(host), proxies, region)
response = client.head(url, headers)
break
rescue Socket::Addrinfo::Error
if !mns.empty?
mn = mns.pop
end
fvip = "3"
host = "https://r#{fvip}---#{mn}.googlevideo.com"
rescue ex
end
end
if response.headers["Location"]?
url = URI.parse(response.headers["Location"])
host = url.host
env.response.headers["Access-Control-Allow-Origin"] = "*"
url = url.full_path
url += "&host=#{host}"
if region
url += "&region=#{region}"
end
next env.redirect url
end
if response.status_code >= 400
env.response.status_code = response.status_code
next
end
client = make_client(URI.parse(host), proxies, region)
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
env.response.headers[key] = value
end
if response.headers["Location"]?
url = URI.parse(response.headers["Location"])
host = url.host
env.response.headers["Access-Control-Allow-Origin"] = "*"
url = url.full_path
url += "&host=#{host}"
if region
url += "&region=#{region}"
end
next env.redirect url
end
if title = query_params["title"]?
# https://blog.fastmail.com/2011/06/24/download-non-english-filenames/
env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}"
end
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
# We need this so the below route works as expected
get "/ggpht*" do |env|
end
get "/ggpht/*" do |env|
host = "https://yt3.ggpht.com"
client = make_client(URI.parse(host))
url = env.request.path.lchop("/ggpht")
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
env.response.headers[key] = value
end
if response.status_code == 304
break
end
chunk_size = 4096
size = 1
if response.headers.includes_word?("Content-Encoding", "gzip")
Gzip::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
elsif response.headers.includes_word?("Content-Encoding", "deflate")
Flate::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
else
until size == 0
size = IO.copy(response.body_io, env.response, chunk_size)
env.response.flush
end
end
end
end
get "/sb/:id/:storyboard/:index" do |env|
id = env.params.url["id"]
storyboard = env.params.url["storyboard"]
index = env.params.url["index"]
if storyboard.starts_with? "storyboard_live"
host = "https://i.ytimg.com"
else
host = "https://i9.ytimg.com"
end
client = make_client(URI.parse(host))
url = "/sb/#{id}/#{storyboard}/#{index}?#{env.params.query}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
env.response.headers[key] = value
end
if response.status_code == 304
break
end
chunk_size = 4096
size = 1
if response.headers.includes_word?("Content-Encoding", "gzip")
Gzip::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
elsif response.headers.includes_word?("Content-Encoding", "deflate")
Flate::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
else
until size == 0
size = IO.copy(response.body_io, env.response, chunk_size)
env.response.flush
end
end
end
end
get "/vi/:id/:name" do |env|
id = env.params.url["id"]
name = env.params.url["name"]
host = "https://i.ytimg.com"
client = make_client(URI.parse(host))
if name == "maxres.jpg"
build_thumbnails(id, config, Kemal.config).each do |thumb|
if client.head("/vi/#{id}/#{thumb[:url]}.jpg").status_code == 200
name = thumb[:url] + ".jpg"
break
end
end
end
url = "/vi/#{id}/#{name}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
env.response.headers[key] = value
end
if response.status_code == 304
break
end
chunk_size = 4096
size = 1
if response.headers.includes_word?("Content-Encoding", "gzip")
Gzip::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
elsif response.headers.includes_word?("Content-Encoding", "deflate")
Flate::Writer.open(env.response) do |deflate|
until size == 0
size = IO.copy(response.body_io, deflate)
env.response.flush
end
end
else
until size == 0
size = IO.copy(response.body_io, env.response, chunk_size)
env.response.flush
end
end
end
end
error 404 do |env|
if md = env.request.path.match(/^\/(?<id>([a-zA-Z0-9_-]{11})|(\w+))$/)
id = md["id"]
client = make_client(YT_URL)
response = client.get("/#{id}")
if response.status_code == 301
response = client.get(response.headers["Location"])
end
html = XML.parse_html(response.body)
ucid = html.xpath_node(%q(//meta[@itemprop="channelId"]))
if ucid
env.response.headers["Location"] = "/channel/#{ucid["content"]}"
halt env, status_code: 302
end
params = [] of String
env.params.query.each do |k, v|
params << "#{k}=#{v}"
end
params = params.join("&")
url = "/watch?v=#{id}"
if !params.empty?
url += "&#{params}"
end
client = make_client(YT_URL)
if client.head("/#{id}").status_code == 404
env.response.headers["Location"] = url
halt env, status_code: 302
end
end
env.response.headers["Location"] = "/"
halt env, status_code: 302
end
error 500 do |env|
error_message = <<-END_HTML
Looks like you've found a bug in Invidious. Feel free to open a new issue
<a href="https://github.com/omarroth/invidious/issues">
here
</a>
or send an email to
<a href="mailto:omarroth@protonmail.com">
omarroth@protonmail.com</a>.
END_HTML
templated "error"
end
# Add redirect if SSL is enabled
if Kemal.config.ssl
spawn do
server = HTTP::Server.new do |env|
redirect_url = "https://#{env.request.host}#{env.request.path}"
if env.request.query
redirect_url += "?#{env.request.query}"
end
env.response.headers["Strict-Transport-Security"] = "max-age=604800; includeSubDomains"
env.response.headers["Location"] = redirect_url
env.response.status_code = 301
end
server.bind_tcp "0.0.0.0", 80
server.listen
end
end
static_headers do |response, filepath, filestat|
response.headers.add("Cache-Control", "max-age=86400")
end
public_folder "assets"
Kemal.config.powered_by_header = false
add_handler FilteredCompressHandler.new
add_handler APIHandler.new
add_handler DenyFrame.new
add_context_storage_type(User)
add_context_storage_type(Preferences)
Kemal.config.logger = logger
Kemal.run
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