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invidious.cr
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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 "openssl/hmac"
require "option_parser"
require "pg"
require "sqlite3"
require "xml"
require "yaml"
require "zip"
require "protodec/utils"
require "./invidious/helpers/*"
require "./invidious/*"
ENV_CONFIG_NAME = "INVIDIOUS_CONFIG"
CONFIG_STR = ENV.has_key?(ENV_CONFIG_NAME) ? ENV.fetch(ENV_CONFIG_NAME) : File.read("config/config.yml")
CONFIG = Config.from_yaml(CONFIG_STR)
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("https://textcaptcha.com")
YT_URL = URI.parse("https://www.youtube.com")
CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"}
MAX_ITEMS_PER_PAGE = 1500
REQUEST_HEADERS_WHITELIST = {"accept", "accept-encoding", "cache-control", "content-length", "if-none-match", "range"}
RESPONSE_HEADERS_BLACKLIST = {"access-control-allow-origin", "alt-svc", "server"}
HTTP_CHUNK_SIZE = 10485760 # ~10MB
CURRENT_BRANCH = {{ "#{`git branch | sed -n '/* /s///p'`.strip}" }}
CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }}
# This is used to determine the `?v=` on the end of file URLs (for cache busting). We
# only need to expire modified assets, so we can use this to find the last commit that changes
# any assets
ASSET_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit -- assets`.strip}" }}
SOFTWARE = {
"name" => "invidious",
"version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
"branch" => "#{CURRENT_BRANCH}",
}
LOCALES = {
"ar" => load_locale("ar"),
"de" => load_locale("de"),
"el" => load_locale("el"),
"en-US" => load_locale("en-US"),
"eo" => load_locale("eo"),
"es" => load_locale("es"),
"eu" => load_locale("eu"),
"fr" => load_locale("fr"),
"hu" => load_locale("hu-HU"),
"is" => load_locale("is"),
"it" => load_locale("it"),
"ja" => load_locale("ja"),
"nb-NO" => load_locale("nb-NO"),
"nl" => load_locale("nl"),
"pl" => load_locale("pl"),
"pt-BR" => load_locale("pt-BR"),
"pt-PT" => load_locale("pt-PT"),
"ro" => load_locale("ro"),
"ru" => load_locale("ru"),
"sv" => load_locale("sv-SE"),
"tr" => load_locale("tr"),
"uk" => load_locale("uk"),
"zh-CN" => load_locale("zh-CN"),
"zh-TW" => load_locale("zh-TW"),
}
YT_POOL = QUICPool.new(YT_URL, capacity: CONFIG.pool_size, timeout: 0.1)
config = CONFIG
logger = Invidious::LogHandler.new
Kemal.config.extra_options do |parser|
parser.banner = "Usage: invidious [arguments]"
parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number|
begin
config.channel_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{config.feed_threads})") do |number|
begin
config.feed_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output|
FileUtils.mkdir_p(File.dirname(output))
logger = Invidious::LogHandler.new(File.open(output, mode: "a"))
end
parser.on("-v", "--version", "Print version") do |output|
puts SOFTWARE.to_pretty_json
exit
end
end
Kemal::CLI.new ARGV
# Check table integrity
if CONFIG.check_tables
check_enum(PG_DB, logger, "privacy", PlaylistPrivacy)
check_table(PG_DB, logger, "channels", InvidiousChannel)
check_table(PG_DB, logger, "channel_videos", ChannelVideo)
check_table(PG_DB, logger, "playlists", InvidiousPlaylist)
check_table(PG_DB, logger, "playlist_videos", PlaylistVideo)
check_table(PG_DB, logger, "nonces", Nonce)
check_table(PG_DB, logger, "session_ids", SessionId)
check_table(PG_DB, logger, "users", User)
check_table(PG_DB, logger, "videos", Video)
if CONFIG.cache_annotations
check_table(PG_DB, logger, "annotations", Annotation)
end
end
# Start jobs
refresh_channels(PG_DB, logger, config)
refresh_feeds(PG_DB, logger, config)
subscribe_to_feeds(PG_DB, logger, HMAC_KEY, config)
statistics = {
"error" => "Statistics are not availabile.",
}
if config.statistics_enabled
spawn 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.utc.to_unix,
"lastChannelRefreshedAt" => PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0_i64,
},
}
loop do
sleep 1.minute
Fiber.yield
statistics["usage"].as(Hash)["users"].as(Hash)["total"] = PG_DB.query_one("SELECT count(*) FROM users", as: Int64)
statistics["usage"].as(Hash)["users"].as(Hash)["activeHalfyear"] = PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64)
statistics["usage"].as(Hash)["users"].as(Hash)["activeMonth"] = PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64)
statistics["metadata"].as(Hash(String, Int64))["updatedAt"] = Time.utc.to_unix
statistics["metadata"].as(Hash(String, Int64))["lastChannelRefreshedAt"] = PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0_i64
end
end
end
top_videos = [] of Video
if config.top_enabled
spawn do
pull_top_videos(config, PG_DB) do |videos|
top_videos = videos
end
end
end
popular_videos = [] of ChannelVideo
spawn do
pull_popular_videos(PG_DB) do |videos|
popular_videos = videos
end
end
decrypt_function = [] of {SigProc, Int32}
spawn do
update_decrypt_function do |function|
decrypt_function = function
end
end
if CONFIG.captcha_key
spawn do
bypass_captcha(CONFIG.captcha_key, logger) do |cookies|
cookies.each do |cookie|
config.cookies << cookie
end
# Persist cookies between runs
CONFIG.cookies = config.cookies
File.write("config/config.yml", config.to_yaml)
end
end
end
connection_channel = Channel({Bool, Channel(PQ::Notification)}).new(32)
spawn do
connections = [] of Channel(PQ::Notification)
PG.connect_listen(PG_URL, "notifications") { |event| connections.each { |connection| connection.send(event) } }
loop do
action, connection = connection_channel.receive
case action
when true
connections << connection
when false
connections.delete(connection)
end
end
end
before_all do |env|
begin
preferences = Preferences.from_json(env.request.cookies["PREFS"]?.try &.value || "{}")
rescue
preferences = Preferences.from_json("{}")
end
env.response.headers["X-XSS-Protection"] = "1; mode=block"
env.response.headers["X-Content-Type-Options"] = "nosniff"
extra_media_csp = ""
if CONFIG.disabled?("local") || !preferences.local
extra_media_csp += " https://*.googlevideo.com:443"
end
# TODO: Remove style-src's 'unsafe-inline', requires to remove all inline styles (<style> [..] </style>, style=" [..] ")
env.response.headers["Content-Security-Policy"] = "default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; connect-src 'self'; manifest-src 'self'; media-src 'self' blob:#{extra_media_csp}"
env.response.headers["Referrer-Policy"] = "same-origin"
if (Kemal.config.ssl || config.https_only) && config.hsts
env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload"
end
next if {
"/sb/",
"/vi/",
"/s_p/",
"/yts/",
"/ggpht/",
"/api/manifest/",
"/videoplayback",
"/latest_version",
}.any? { |r| env.request.resource.starts_with? r }
if env.request.cookies.has_key? "SID"
sid = env.request.cookies["SID"].value
if sid.starts_with? "v1:"
raise "Cannot use token as SID"
end
# Invidious users only have SID
if !env.request.cookies.has_key? "SSID"
if email = PG_DB.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
user = PG_DB.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
csrf_token = generate_response(sid, {
":authorize_token",
":playlist_ajax",
":signout",
":subscription_ajax",
":token_ajax",
":watch_ajax",
}, HMAC_KEY, PG_DB, 1.week)
preferences = user.preferences
env.set "sid", sid
env.set "csrf_token", csrf_token
env.set "user", user
end
else
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
begin
user, sid = get_user(sid, headers, PG_DB, false)
csrf_token = generate_response(sid, {
":authorize_token",
":playlist_ajax",
":signout",
":subscription_ajax",
":token_ajax",
":watch_ajax",
}, HMAC_KEY, PG_DB, 1.week)
preferences = user.preferences
env.set "sid", sid
env.set "csrf_token", csrf_token
env.set "user", user
rescue ex
end
end
end
dark_mode = convert_theme(env.params.query["dark_mode"]?) || preferences.dark_mode.to_s
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.encode_www_form(current_page)
end
get "/" do |env|
preferences = env.get("preferences").as(Preferences)
locale = LOCALES[preferences.locale]?
user = env.get? "user"
case preferences.default_home
when ""
templated "empty"
when "Popular"
templated "popular"
when "Top"
if config.top_enabled
templated "top"
else
templated "empty"
end
when "Trending"
env.redirect "/feed/trending"
when "Subscriptions"
if user
env.redirect "/feed/subscriptions"
else
templated "popular"
end
when "Playlists"
if user
env.redirect "/view_all_playlists"
else
templated "popular"
end
else
templated "empty"
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."
env.response.status_code = 400
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"]?.try &.gsub(/[^a-zA-Z0-9_-]/, "")
continuation = process_continuation(PG_DB, env.params.query, plid, id)
nojs = env.params.query["nojs"]?
nojs ||= "0"
nojs = nojs == "1"
preferences = env.get("preferences").as(Preferences)
user = env.get?("user").try &.as(User)
if user
subscriptions = user.subscriptions
watched = user.watched
notifications = user.notifications
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, region: params.region)
rescue ex : VideoRedirect
next env.redirect env.request.resource.gsub(id, ex.video_id)
rescue ex
error_message = ex.message
env.response.status_code = 500
logger.puts("#{id} : #{ex.message}")
next templated "error"
end
if preferences.annotations_subscribed &&
subscriptions.includes?(video.ucid) &&
(env.params.query["iv_load_policy"]? || "1") == "1"
params.annotations = true
end
env.params.query.delete_all("iv_load_policy")
if watched && !watched.includes? id
PG_DB.exec("UPDATE users SET watched = array_append(watched, $1) WHERE email = $2", id, user.as(User).email)
end
if notifications && notifications.includes? id
PG_DB.exec("UPDATE users SET notifications = array_remove(notifications, $1) WHERE email = $2", id, user.as(User).email)
env.get("user").as(User).notifications.delete(id)
notifications.delete(id)
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, "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, "html", locale, preferences.thin_mode, region))["contentHtml"]
end
end
end
else
comment_html = JSON.parse(fetch_youtube_comments(id, PG_DB, nil, "html", locale, preferences.thin_mode, region))["contentHtml"]
end
comment_html ||= ""
end
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
if params.local
fmt_stream.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
adaptive_fmts.each { |fmt| fmt["url"] = URI.parse(fmt["url"]).full_path }
end
video_streams = video.video_streams(adaptive_fmts)
audio_streams = video.audio_streams(adaptive_fmts)
# Older videos may not have audio sources available.
# We redirect here so they're not unplayable
if audio_streams.empty? && !video.live_now
if params.quality == "dash"
env.params.query.delete_all("quality")
env.params.query["quality"] = "medium"
next env.redirect "/watch?#{env.params.query}"
elsif params.listen
env.params.query.delete_all("listen")
env.params.query["listen"] = "0"
next env.redirect "/watch?#{env.params.query}"
end
end
captions = video.captions
preferred_captions = captions.select { |caption|
params.preferred_captions.includes?(caption.name.simpleText) ||
params.preferred_captions.includes?(caption.languageCode.split("-")[0])
}
preferred_captions.sort_by! { |caption|
(params.preferred_captions.index(caption.name.simpleText) ||
params.preferred_captions.index(caption.languageCode.split("-")[0])).not_nil!
}
captions = captions - preferred_captions
aspect_ratio = "16:9"
video.description_html = fill_links(video.description_html, "https", "www.youtube.com")
video.description_html = replace_links(video.description_html)
host_url = make_host_url(config, Kemal.config)
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
if params.listen
url = audio_streams[0]["url"]
audio_streams.each do |fmt|
if fmt["bitrate"] == params.quality.rchop("k")
url = fmt["url"]
end
end
else
url = fmt_stream[0]["url"]
fmt_stream.each do |fmt|
if fmt["label"].split(" - ")[0] == params.quality
url = fmt["url"]
end
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
if video.views > 0
engagement = ((video.dislikes.to_f + video.likes.to_f)/video.views * 100)
else
engagement = 0
end
playability_status = video.player_response["playabilityStatus"]?
if playability_status && playability_status["status"] == "LIVE_STREAM_OFFLINE" && !video.premiere_timestamp
reason = playability_status["reason"]?.try &.as_s
end
reason ||= ""
templated "watch"
end
get "/embed/" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
if plid = env.params.query["list"]?.try &.gsub(/[^a-zA-Z0-9_-]/, "")
begin
playlist = get_playlist(PG_DB, plid, locale: locale)
offset = env.params.query["index"]?.try &.to_i? || 0
videos = get_playlist_videos(PG_DB, playlist, offset: offset, locale: locale)
rescue ex
error_message = ex.message
env.response.status_code = 500
next templated "error"
end
url = "/embed/#{videos[0].id}?#{env.params.query}"
if env.params.query.size > 0
url += "?#{env.params.query}"
end
else
url = "/"
end
env.redirect url
end
get "/embed/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
id = env.params.url["id"]
plid = env.params.query["list"]?.try &.gsub(/[^a-zA-Z0-9_-]/, "")
continuation = process_continuation(PG_DB, env.params.query, plid, id)
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`
case id
when "videoseries"
url = ""
if plid
begin
playlist = get_playlist(PG_DB, plid, locale: locale)
offset = env.params.query["index"]?.try &.to_i? || 0
videos = get_playlist_videos(PG_DB, playlist, offset: offset, locale: locale)
rescue ex
error_message = ex.message
env.response.status_code = 500
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
when "live_stream"
response = YT_POOL.client &.get("/embed/live_stream?channel=#{env.params.query["channel"]? || ""}")
video_id = response.body.match(/"video_id":"(?<video_id>[a-zA-Z0-9_-]{11})"/).try &.["video_id"]
env.params.query.delete_all("channel")
if !video_id || video_id == "live_stream"
error_message = "Video is unavailable."
next templated "error"
end
url = "/embed/#{video_id}"
if env.params.query.size > 0
url += "?#{env.params.query}"
end
next env.redirect url
when id.size > 11
url = "/embed/#{id[0, 11]}"
if env.params.query.size > 0
url += "?#{env.params.query}"
end
next env.redirect url
else nil # Continue
end
params = process_video_params(env.params.query, preferences)
user = env.get?("user").try &.as(User)
if user
subscriptions = user.subscriptions
watched = user.watched
notifications = user.notifications
end
subscriptions ||= [] of String
begin
video = get_video(id, PG_DB, region: params.region)
rescue ex : VideoRedirect
next env.redirect env.request.resource.gsub(id, ex.video_id)
rescue ex
error_message = ex.message
env.response.status_code = 500
next templated "error"
end
if preferences.annotations_subscribed &&
subscriptions.includes?(video.ucid) &&
(env.params.query["iv_load_policy"]? || "1") == "1"
params.annotations = true
end
# if watched && !watched.includes? id
# PG_DB.exec("UPDATE users SET watched = array_append(watched, $1) WHERE email = $2", id, user.as(User).email)
# end
if notifications && notifications.includes? id
PG_DB.exec("UPDATE users SET notifications = array_remove(notifications, $1) WHERE email = $2", id, user.as(User).email)
env.get("user").as(User).notifications.delete(id)
notifications.delete(id)
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)
if audio_streams.empty? && !video.live_now
if params.quality == "dash"
env.params.query.delete_all("quality")
next env.redirect "/embed/#{id}?#{env.params.query}"
elsif params.listen
env.params.query.delete_all("listen")
env.params.query["listen"] = "0"
next env.redirect "/embed/#{id}?#{env.params.query}"
end
end
captions = video.captions
preferred_captions = captions.select { |caption|
params.preferred_captions.includes?(caption.name.simpleText) ||
params.preferred_captions.includes?(caption.languageCode.split("-")[0])
}
preferred_captions.sort_by! { |caption|
(params.preferred_captions.index(caption.name.simpleText) ||
params.preferred_captions.index(caption.languageCode.split("-")[0])).not_nil!
}
captions = captions - preferred_captions
aspect_ratio = nil
video.description_html = fill_links(video.description_html, "https", "www.youtube.com")
video.description_html = replace_links(video.description_html)
host_url = make_host_url(config, Kemal.config)
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 "/feed/playlists" do |env|
env.redirect "/view_all_playlists"
end
get "/view_all_playlists" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if !user
next env.redirect "/"
end
user = user.as(User)
items_created = PG_DB.query_all("SELECT * FROM playlists WHERE author = $1 AND id LIKE 'IV%' ORDER BY created", user.email, as: InvidiousPlaylist)
items_created.map! do |item|
item.author = ""
item
end
items_saved = PG_DB.query_all("SELECT * FROM playlists WHERE author = $1 AND id NOT LIKE 'IV%' ORDER BY created", user.email, as: InvidiousPlaylist)
items_saved.map! do |item|
item.author = ""
item
end
templated "view_all_playlists"
end
get "/create_playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
next env.redirect "/"
end
user = user.as(User)
sid = sid.as(String)
csrf_token = generate_response(sid, {":create_playlist"}, HMAC_KEY, PG_DB)
templated "create_playlist"
end
post "/create_playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
next env.redirect "/"
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
env.response.status_code = 400
next templated "error"
end
title = env.params.body["title"]?.try &.as(String)
if !title || title.empty?
error_message = "Title cannot be empty."
next templated "error"
end
privacy = PlaylistPrivacy.parse?(env.params.body["privacy"]?.try &.as(String) || "")
if !privacy
error_message = "Invalid privacy setting."
next templated "error"
end
if PG_DB.query_one("SELECT count(*) FROM playlists WHERE author = $1", user.email, as: Int64) >= 100
error_message = "User cannot have more than 100 playlists."
next templated "error"
end
playlist = create_playlist(PG_DB, title, privacy, user)
env.redirect "/playlist?list=#{playlist.id}"
end
get "/subscribe_playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env)
if !user
next env.redirect "/"
end
user = user.as(User)
playlist_id = env.params.query["list"]
playlist = get_playlist(PG_DB, playlist_id, locale)
subscribe_playlist(PG_DB, user, playlist)
env.redirect "/playlist?list=#{playlist.id}"
end
get "/delete_playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
next env.redirect "/"
end
user = user.as(User)
sid = sid.as(String)
plid = env.params.query["list"]?
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email
next env.redirect referer
end
csrf_token = generate_response(sid, {":delete_playlist"}, HMAC_KEY, PG_DB)
templated "delete_playlist"
end
post "/delete_playlist" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
next env.redirect "/"
end
plid = env.params.query["list"]?
if !plid
next env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
env.response.status_code = 400
next templated "error"
end
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email