invidious-experimenting/src/invidious.cr

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# "Invidious" (which is an alternative front-end to YouTube)
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# Copyright (C) 2019 Omar Roth
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#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
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require "digest/md5"
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require "file_utils"
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require "kemal"
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require "openssl/hmac"
require "option_parser"
require "pg"
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require "sqlite3"
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require "xml"
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require "yaml"
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require "compress/zip"
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require "protodec/utils"
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require "./invidious/helpers/*"
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require "./invidious/*"
require "./invidious/channels/*"
require "./invidious/routes/**"
require "./invidious/jobs/**"
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CONFIG = Config.load
HMAC_KEY = CONFIG.hmac_key || Random::Secure.hex(32)
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PG_DB = DB.open CONFIG.database_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")
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TEXTCAPTCHA_URL = URI.parse("https://textcaptcha.com")
YT_URL = URI.parse("https://www.youtube.com")
HOST_URL = make_host_url(Kemal.config)
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CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"}
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MAX_ITEMS_PER_PAGE = 1500
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REQUEST_HEADERS_WHITELIST = {"accept", "accept-encoding", "cache-control", "content-length", "if-none-match", "range"}
RESPONSE_HEADERS_BLACKLIST = {"access-control-allow-origin", "alt-svc", "server"}
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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 log -1 --format=%ci | awk '{print $1}' | sed s/-/./g`.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}" }}
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SOFTWARE = {
"name" => "invidious",
"version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
"branch" => "#{CURRENT_BRANCH}",
}
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YT_POOL = YoutubeConnectionPool.new(YT_URL, capacity: CONFIG.pool_size, timeout: 2.0, use_quic: CONFIG.use_quic)
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# CLI
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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|
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begin
CONFIG.channel_threads = number.to_i
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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|
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begin
CONFIG.feed_threads = number.to_i
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rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: #{CONFIG.output})") do |output|
CONFIG.output = output
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end
parser.on("-l LEVEL", "--log-level=LEVEL", "Log level, one of #{LogLevel.values} (default: #{CONFIG.log_level})") do |log_level|
CONFIG.log_level = LogLevel.parse(log_level)
end
parser.on("-v", "--version", "Print version") do
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puts SOFTWARE.to_pretty_json
exit
end
end
Kemal::CLI.new ARGV
if CONFIG.output.upcase != "STDOUT"
FileUtils.mkdir_p(File.dirname(CONFIG.output))
end
OUTPUT = CONFIG.output.upcase == "STDOUT" ? STDOUT : File.open(CONFIG.output, mode: "a")
LOGGER = Invidious::LogHandler.new(OUTPUT, CONFIG.log_level)
# Check table integrity
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if CONFIG.check_tables
check_enum(PG_DB, "privacy", PlaylistPrivacy)
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check_table(PG_DB, "channels", InvidiousChannel)
check_table(PG_DB, "channel_videos", ChannelVideo)
check_table(PG_DB, "playlists", InvidiousPlaylist)
check_table(PG_DB, "playlist_videos", PlaylistVideo)
check_table(PG_DB, "nonces", Nonce)
check_table(PG_DB, "session_ids", SessionId)
check_table(PG_DB, "users", User)
check_table(PG_DB, "videos", Video)
if CONFIG.cache_annotations
check_table(PG_DB, "annotations", Annotation)
end
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end
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# Start jobs
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if CONFIG.channel_threads > 0
Invidious::Jobs.register Invidious::Jobs::RefreshChannelsJob.new(PG_DB)
end
if CONFIG.feed_threads > 0
Invidious::Jobs.register Invidious::Jobs::RefreshFeedsJob.new(PG_DB)
end
DECRYPT_FUNCTION = DecryptFunction.new(CONFIG.decrypt_polling)
if CONFIG.decrypt_polling
Invidious::Jobs.register Invidious::Jobs::UpdateDecryptFunctionJob.new
end
if CONFIG.statistics_enabled
Invidious::Jobs.register Invidious::Jobs::StatisticsRefreshJob.new(PG_DB, SOFTWARE)
end
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if (CONFIG.use_pubsub_feeds.is_a?(Bool) && CONFIG.use_pubsub_feeds.as(Bool)) || (CONFIG.use_pubsub_feeds.is_a?(Int32) && CONFIG.use_pubsub_feeds.as(Int32) > 0)
Invidious::Jobs.register Invidious::Jobs::SubscribeToFeedsJob.new(PG_DB, HMAC_KEY)
end
if CONFIG.popular_enabled
Invidious::Jobs.register Invidious::Jobs::PullPopularVideosJob.new(PG_DB)
end
if CONFIG.captcha_key
Invidious::Jobs.register Invidious::Jobs::BypassCaptchaJob.new
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end
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connection_channel = Channel({Bool, Channel(PQ::Notification)}).new(32)
Invidious::Jobs.register Invidious::Jobs::NotificationJob.new(connection_channel, CONFIG.database_url)
Invidious::Jobs.start_all
def popular_videos
Invidious::Jobs::PullPopularVideosJob::POPULAR_VIDEOS.get
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end
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before_all do |env|
preferences = begin
Preferences.from_json(URI.decode_www_form(env.request.cookies["PREFS"]?.try &.value || "{}"))
rescue
Preferences.from_json("{}")
end
env.set "preferences", preferences
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env.response.headers["X-XSS-Protection"] = "1; mode=block"
env.response.headers["X-Content-Type-Options"] = "nosniff"
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# Allow media resources to be loaded from google servers
# TODO: check if *.youtube.com can be removed
if CONFIG.disabled?("local") || !preferences.local
extra_media_csp = " https://*.googlevideo.com:443 https://*.youtube.com:443"
else
extra_media_csp = ""
end
# Only allow the pages at /embed/* to be embedded
if env.request.resource.starts_with?("/embed")
frame_ancestors = "'self' http: https:"
else
frame_ancestors = "'none'"
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,
"child-src 'self' blob:",
"frame-src 'self'",
"frame-ancestors " + frame_ancestors,
}.join("; ")
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env.response.headers["Referrer-Policy"] = "same-origin"
# Ask the chrom*-based browsers to disable FLoC
# See: https://blog.runcloud.io/google-floc/
env.response.headers["Permissions-Policy"] = "interest-cohort=()"
if (Kemal.config.ssl || CONFIG.https_only) && CONFIG.hsts
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env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload"
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end
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next if {
"/sb/",
"/vi/",
"/s_p/",
"/yts/",
"/ggpht/",
"/api/manifest/",
"/videoplayback",
"/latest_version",
}.any? { |r| env.request.resource.starts_with? r }
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if env.request.cookies.has_key? "SID"
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sid = env.request.cookies["SID"].value
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if sid.starts_with? "v1:"
raise "Cannot use token as SID"
end
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# 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)
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user = PG_DB.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
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csrf_token = generate_response(sid, {
":authorize_token",
":playlist_ajax",
":signout",
":subscription_ajax",
":token_ajax",
":watch_ajax",
}, HMAC_KEY, PG_DB, 1.week)
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preferences = user.preferences
env.set "preferences", preferences
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env.set "sid", sid
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env.set "csrf_token", csrf_token
env.set "user", user
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end
else
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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begin
user, sid = get_user(sid, headers, PG_DB, false)
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csrf_token = generate_response(sid, {
":authorize_token",
":playlist_ajax",
":signout",
":subscription_ajax",
":token_ajax",
":watch_ajax",
}, HMAC_KEY, PG_DB, 1.week)
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preferences = user.preferences
env.set "preferences", preferences
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env.set "sid", sid
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env.set "csrf_token", csrf_token
env.set "user", user
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rescue ex
end
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end
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end
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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
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current_page = env.request.path
if env.request.query
query = HTTP::Params.parse(env.request.query.not_nil!)
if query["referer"]?
query["referer"] = get_referer(env, "/")
end
current_page += "?#{query}"
end
env.set "current_page", URI.encode_www_form(current_page)
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end
Invidious::Routing.get "/", Invidious::Routes::Misc, :home
Invidious::Routing.get "/privacy", Invidious::Routes::Misc, :privacy
Invidious::Routing.get "/licenses", Invidious::Routes::Misc, :licenses
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Invidious::Routing.get "/channel/:ucid", Invidious::Routes::Channels, :home
Invidious::Routing.get "/channel/:ucid/home", Invidious::Routes::Channels, :home
Invidious::Routing.get "/channel/:ucid/videos", Invidious::Routes::Channels, :videos
Invidious::Routing.get "/channel/:ucid/playlists", Invidious::Routes::Channels, :playlists
Invidious::Routing.get "/channel/:ucid/community", Invidious::Routes::Channels, :community
Invidious::Routing.get "/channel/:ucid/about", Invidious::Routes::Channels, :about
["", "/videos", "/playlists", "/community", "/about"].each do |path|
# /c/LinusTechTips
Invidious::Routing.get "/c/:user#{path}", Invidious::Routes::Channels, :brand_redirect
# /user/linustechtips | Not always the same as /c/
Invidious::Routing.get "/user/:user#{path}", Invidious::Routes::Channels, :brand_redirect
# /attribution_link?a=anything&u=/channel/UCZYTClx2T1of7BRZ86-8fow
Invidious::Routing.get "/attribution_link#{path}", Invidious::Routes::Channels, :brand_redirect
# /profile?user=linustechtips
Invidious::Routing.get "/profile/#{path}", Invidious::Routes::Channels, :profile
end
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Invidious::Routing.get "/watch", Invidious::Routes::Watch, :handle
Invidious::Routing.get "/watch/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/shorts/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/w/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/v/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/e/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/redirect", Invidious::Routes::Misc, :cross_instance_redirect
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Invidious::Routing.get "/embed/", Invidious::Routes::Embed, :redirect
Invidious::Routing.get "/embed/:id", Invidious::Routes::Embed, :show
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Invidious::Routing.get "/view_all_playlists", Invidious::Routes::Playlists, :index
Invidious::Routing.get "/create_playlist", Invidious::Routes::Playlists, :new
Invidious::Routing.post "/create_playlist", Invidious::Routes::Playlists, :create
Invidious::Routing.get "/subscribe_playlist", Invidious::Routes::Playlists, :subscribe
Invidious::Routing.get "/delete_playlist", Invidious::Routes::Playlists, :delete_page
Invidious::Routing.post "/delete_playlist", Invidious::Routes::Playlists, :delete
Invidious::Routing.get "/edit_playlist", Invidious::Routes::Playlists, :edit
Invidious::Routing.post "/edit_playlist", Invidious::Routes::Playlists, :update
Invidious::Routing.get "/add_playlist_items", Invidious::Routes::Playlists, :add_playlist_items_page
Invidious::Routing.post "/playlist_ajax", Invidious::Routes::Playlists, :playlist_ajax
Invidious::Routing.get "/playlist", Invidious::Routes::Playlists, :show
Invidious::Routing.get "/mix", Invidious::Routes::Playlists, :mix
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Invidious::Routing.get "/opensearch.xml", Invidious::Routes::Search, :opensearch
Invidious::Routing.get "/results", Invidious::Routes::Search, :results
Invidious::Routing.get "/search", Invidious::Routes::Search, :search
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Invidious::Routing.get "/login", Invidious::Routes::Login, :login_page
Invidious::Routing.post "/login", Invidious::Routes::Login, :login
Invidious::Routing.post "/signout", Invidious::Routes::Login, :signout
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Invidious::Routing.get "/preferences", Invidious::Routes::PreferencesRoute, :show
Invidious::Routing.post "/preferences", Invidious::Routes::PreferencesRoute, :update
Invidious::Routing.get "/toggle_theme", Invidious::Routes::PreferencesRoute, :toggle_theme
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define_v1_api_routes()
define_api_manifest_routes()
define_video_playback_routes()
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# Users
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post "/watch_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/feed/subscriptions")
redirect = env.params.query["redirect"]?
redirect ||= "true"
redirect = redirect == "true"
if !user
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if redirect
next env.redirect referer
else
next error_json(403, "No such user")
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end
end
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user = user.as(User)
sid = sid.as(String)
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token = env.params.body["csrf_token"]?
id = env.params.query["id"]?
if !id
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env.response.status_code = 400
next
end
begin
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validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
if redirect
next error_template(400, ex)
else
next error_json(400, ex)
end
end
if env.params.query["action_mark_watched"]?
action = "action_mark_watched"
elsif env.params.query["action_mark_unwatched"]?
action = "action_mark_unwatched"
else
next env.redirect referer
end
case action
when "action_mark_watched"
if !user.watched.includes? id
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PG_DB.exec("UPDATE users SET watched = array_append(watched, $1) WHERE email = $2", id, user.email)
end
when "action_mark_unwatched"
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PG_DB.exec("UPDATE users SET watched = array_remove(watched, $1) WHERE email = $2", id, user.email)
else
next error_json(400, "Unsupported action #{action}")
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
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# /modify_notifications
# will "ding" all subscriptions.
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# /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]?
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user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
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redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
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if !user
if redirect
next env.redirect referer
else
next error_json(403, "No such user")
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end
end
user = user.as(User)
if !user.password
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channel_req = {} of String => String
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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"
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channel_req.reject! { |k, v| v != "true" && v != "false" }
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headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
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cookies = HTTP::Cookies.from_client_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)
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if match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[^"]+)"/)
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session_token = match["session_token"]
else
next env.redirect referer
end
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headers["content-type"] = "application/x-www-form-urlencoded"
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channel_req["session_token"] = session_token
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subs = XML.parse_html(html.body)
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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
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YT_POOL.client &.post("/subscription_ajax?action_update_subscription_preferences=1", headers, form: channel_req)
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end
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end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
post "/subscription_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
redirect = env.params.query["redirect"]?
redirect ||= "true"
redirect = redirect == "true"
if !user
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if redirect
next env.redirect referer
else
next error_json(403, "No such user")
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end
end
user = user.as(User)
sid = sid.as(String)
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token = env.params.body["csrf_token"]?
begin
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validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
if redirect
next error_template(400, ex)
else
next error_json(400, ex)
end
end
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if env.params.query["action_create_subscription_to_channel"]?.try &.to_i?.try &.== 1
action = "action_create_subscription_to_channel"
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elsif env.params.query["action_remove_subscriptions"]?.try &.to_i?.try &.== 1
action = "action_remove_subscriptions"
else
next env.redirect referer
end
channel_id = env.params.query["c"]?
channel_id ||= ""
if !user.password
# Sync subscriptions with YouTube
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subscribe_ajax(channel_id, action, env.request.headers)
end
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email = user.email
case action
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when "action_create_subscription_to_channel"
if !user.subscriptions.includes? channel_id
get_channel(channel_id, PG_DB, false, false)
PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = array_append(subscriptions, $1) WHERE email = $2", channel_id, email)
end
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when "action_remove_subscriptions"
PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = array_remove(subscriptions, $1) WHERE email = $2", channel_id, email)
else
next error_json(400, "Unsupported action #{action}")
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
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end
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get "/subscription_manager" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
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sid = env.get? "sid"
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referer = get_referer(env)
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if !user
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next env.redirect referer
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end
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user = user.as(User)
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if !user.password
# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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user, sid = get_user(sid, headers, PG_DB)
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end
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action_takeout = env.params.query["action_takeout"]?.try &.to_i?
action_takeout ||= 0
action_takeout = action_takeout == 1
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format = env.params.query["format"]?
format ||= "rss"
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if user.subscriptions.empty?
values = "'{}'"
else
values = "VALUES #{user.subscriptions.map { |id| %(('#{id}')) }.join(",")}"
end
subscriptions = PG_DB.query_all("SELECT * FROM channels WHERE id = ANY(#{values})", as: InvidiousChannel)
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subscriptions.sort_by! { |channel| channel.author.downcase }
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if action_takeout
if format == "json"
env.response.content_type = "application/json"
env.response.headers["content-disposition"] = "attachment"
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playlists = PG_DB.query_all("SELECT * FROM playlists WHERE author = $1 AND id LIKE 'IV%' ORDER BY created", user.email, as: InvidiousPlaylist)
next JSON.build do |json|
json.object do
json.field "subscriptions", user.subscriptions
json.field "watch_history", user.watched
json.field "preferences", user.preferences
json.field "playlists" do
json.array do
playlists.each do |playlist|
json.object do
json.field "title", playlist.title
json.field "description", html_to_content(playlist.description_html)
json.field "privacy", playlist.privacy.to_s
json.field "videos" do
json.array do
PG_DB.query_all("SELECT id FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 500", playlist.id, playlist.index, as: String).each do |video_id|
json.string video_id
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end
end
end
end
end
end
end
end
end
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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
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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
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xmlUrl = "#{HOST_URL}/feed/channel/#{channel.id}"
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end
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xml.element("outline", text: channel.author, title: channel.author,
"type": "rss", xmlUrl: xmlUrl)
end
end
end
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end
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end
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next export.gsub(%(<?xml version="1.0"?>\n), "")
end
end
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templated "subscription_manager"
end
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get "/data_control" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
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referer = get_referer(env)
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if !user
next env.redirect referer
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end
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user = user.as(User)
templated "data_control"
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end
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post "/data_control" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
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referer = get_referer(env)
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if user
user = user.as(User)
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# TODO: Find a way to prevent browser timeout
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HTTP::FormData.parse(env.request) do |part|
body = part.body.gets_to_end
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next if body.empty?
# TODO: Unify into single import based on content-type
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case part.name
when "import_invidious"
body = JSON.parse(body)
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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)
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PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
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end
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if body["watch_history"]?
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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
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2018-11-09 04:05:26 +05:30
if body["preferences"]?
user.preferences = Preferences.from_json(body["preferences"].to_json)
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PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", user.preferences.to_json, user.email)
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end
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if playlists = body["playlists"]?.try &.as_a?
playlists.each do |item|
title = item["title"]?.try &.as_s?.try &.delete("<>")
description = item["description"]?.try &.as_s?.try &.delete("\r")
privacy = item["privacy"]?.try &.as_s?.try { |privacy| PlaylistPrivacy.parse? privacy }
next if !title
next if !description
next if !privacy
playlist = create_playlist(PG_DB, title, privacy, user)
PG_DB.exec("UPDATE playlists SET description = $1 WHERE id = $2", description, playlist.id)
videos = item["videos"]?.try &.as_a?.try &.each_with_index do |video_id, idx|
raise InfoException.new("Playlist cannot have more than 500 videos") if idx > 500
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video_id = video_id.try &.as_s?
next if !video_id
begin
video = get_video(video_id, PG_DB)
rescue ex
next
end
playlist_video = PlaylistVideo.new({
title: video.title,
id: video.id,
author: video.author,
ucid: video.ucid,
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length_seconds: video.length_seconds,
published: video.published,
plid: playlist.id,
live_now: video.live_now,
index: Random::Secure.rand(0_i64..Int64::MAX),
})
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video_array = playlist_video.to_a
args = arg_array(video_array)
PG_DB.exec("INSERT INTO playlist_videos VALUES (#{args})", args: video_array)
PG_DB.exec("UPDATE playlists SET index = array_append(index, $1), video_count = cardinality(index) + 1, updated = $2 WHERE id = $3", playlist_video.index, Time.utc, playlist.id)
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end
end
end
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when "import_youtube"
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if body[0..4] == "<opml"
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
else
subscriptions = JSON.parse(body)
user.subscriptions += subscriptions.as_a.compact_map do |entry|
entry["snippet"]["resourceId"]["channelId"].as_s
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end
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end
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
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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)
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PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
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when "import_newpipe_subscriptions"
body = JSON.parse(body)
user.subscriptions += body["subscriptions"].as_a.compact_map do |channel|
if match = channel["url"].as_s.match(/\/channel\/(?<channel>UC[a-zA-Z0-9_-]{22})/)
next match["channel"]
elsif match = channel["url"].as_s.match(/\/user\/(?<user>.+)/)
2019-10-25 22:28:16 +05:30
response = YT_POOL.client &.get("/user/#{match["user"]}?disable_polymer=1&hl=en&gl=US")
2020-01-14 18:51:17 +05:30
html = XML.parse_html(response.body)
ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
next ucid if ucid
end
nil
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end
user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
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PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
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when "import_newpipe"
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Compress::Zip::Reader.open(IO::Memory.new(body)) do |file|
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file.each_entry do |entry|
if entry.filename == "newpipe.db"
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tempfile = File.tempfile(".db")
File.write(tempfile.path, entry.io.gets_to_end)
db = DB.open("sqlite3://" + tempfile.path)
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user.watched += db.query_all("SELECT url FROM streams", as: String).map { |url| url.lchop("https://www.youtube.com/watch?v=") }
2018-11-10 04:55:24 +05:30
user.watched.uniq!
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2018-11-10 04:55:24 +05:30
PG_DB.exec("UPDATE users SET watched = $1 WHERE email = $2", user.watched, user.email)
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user.subscriptions += db.query_all("SELECT url FROM subscriptions", as: String).map { |url| url.lchop("https://www.youtube.com/channel/") }
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user.subscriptions.uniq!
user.subscriptions = get_batch_channels(user.subscriptions, PG_DB, false, false)
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PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = $1 WHERE email = $2", user.subscriptions, user.email)
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db.close
tempfile.delete
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end
2018-07-19 00:56:02 +05:30
end
end
else nil # Ignore
2018-07-19 00:56:02 +05:30
end
2018-08-05 02:00:44 +05:30
end
end
2018-07-19 00:56:02 +05:30
2018-08-05 02:00:44 +05:30
env.redirect referer
end
2018-07-19 00:56:02 +05:30
2019-04-22 20:48:17 +05:30
get "/change_password" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
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if !user
next env.redirect referer
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end
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user = user.as(User)
sid = sid.as(String)
csrf_token = generate_response(sid, {":change_password"}, HMAC_KEY, PG_DB)
templated "change_password"
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end
post "/change_password" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
2019-07-13 07:30:50 +05:30
if !user
next env.redirect referer
end
2019-04-22 20:48:17 +05:30
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
2019-04-22 20:48:17 +05:30
2019-07-13 07:30:50 +05:30
# We don't store passwords for Google accounts
if !user.password
next error_template(400, "Cannot change password for Google accounts")
2019-07-13 07:30:50 +05:30
end
2019-04-22 20:48:17 +05:30
2019-07-13 07:30:50 +05:30
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
2019-07-13 07:30:50 +05:30
end
2019-04-22 20:48:17 +05:30
2019-07-13 07:30:50 +05:30
password = env.params.body["password"]?
if !password
next error_template(401, "Password is a required field")
2019-07-13 07:30:50 +05:30
end
2019-04-22 20:48:17 +05:30
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new_passwords = env.params.body.select { |k, v| k.match(/^new_password\[\d+\]$/) }.map { |k, v| v }
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if new_passwords.size <= 1 || new_passwords.uniq.size != 1
next error_template(400, "New passwords must match")
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end
2019-04-22 20:48:17 +05:30
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new_password = new_passwords.uniq[0]
if new_password.empty?
next error_template(401, "Password cannot be empty")
2019-07-13 07:30:50 +05:30
end
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2019-07-13 07:30:50 +05:30
if new_password.bytesize > 55
next error_template(400, "Password cannot be longer than 55 characters")
2019-07-13 07:30:50 +05:30
end
2019-04-22 20:48:17 +05:30
2019-07-13 07:30:50 +05:30
if !Crypto::Bcrypt::Password.new(user.password.not_nil!).verify(password.byte_slice(0, 55))
next error_template(401, "Incorrect password")
2019-04-22 20:48:17 +05:30
end
2019-07-13 07:30:50 +05:30
new_password = Crypto::Bcrypt::Password.create(new_password, cost: 10)
PG_DB.exec("UPDATE users SET password = $1 WHERE email = $2", new_password.to_s, user.email)
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env.redirect referer
end
get "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
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if !user
next env.redirect referer
end
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
csrf_token = generate_response(sid, {":delete_account"}, HMAC_KEY, PG_DB)
templated "delete_account"
end
post "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
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if !user
next env.redirect referer
end
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
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begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
2019-07-13 07:30:50 +05:30
end
2019-07-13 07:30:50 +05:30
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.utc(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
end
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get "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
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user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
2018-08-09 06:56:02 +05:30
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if !user
next env.redirect referer
end
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
csrf_token = generate_response(sid, {":clear_watch_history"}, HMAC_KEY, PG_DB)
templated "clear_watch_history"
end
post "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
sid = env.get? "sid"
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referer = get_referer(env)
2018-03-16 22:10:29 +05:30
2019-07-13 07:30:50 +05:30
if !user
next env.redirect referer
end
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
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begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
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end
2019-07-13 07:30:50 +05:30
PG_DB.exec("UPDATE users SET watched = '{}' WHERE email = $1", user.email)
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env.redirect referer
end
2019-05-15 22:56:29 +05:30
get "/authorize_token" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
2019-07-13 07:30:50 +05:30
if !user
next env.redirect referer
end
2019-05-15 22:56:29 +05:30
2019-07-13 07:30:50 +05:30
user = user.as(User)
sid = sid.as(String)
csrf_token = generate_response(sid, {":authorize_token"}, HMAC_KEY, PG_DB)
2019-05-15 22:56:29 +05:30
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scopes = env.params.query["scopes"]?.try &.split(",")
scopes ||= [] of String
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callback_url = env.params.query["callback_url"]?
if callback_url
callback_url = URI.parse(callback_url)
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end
2019-07-13 07:30:50 +05:30
expire = env.params.query["expire"]?.try &.to_i?
templated "authorize_token"
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end
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post "/authorize_token" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
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if !user
next env.redirect referer
end
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user = env.get("user").as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
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begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
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end
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scopes = env.params.body.select { |k, v| k.match(/^scopes\[\d+\]$/) }.map { |k, v| v }
callback_url = env.params.body["callbackUrl"]?
expire = env.params.body["expire"]?.try &.to_i?
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access_token = generate_token(user.email, scopes, expire, HMAC_KEY, PG_DB)
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if callback_url
access_token = URI.encode_www_form(access_token)
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url = URI.parse(callback_url)
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if url.query
query = HTTP::Params.parse(url.query.not_nil!)
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else
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query = HTTP::Params.new
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end
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query["token"] = access_token
url.query = query.to_s
env.redirect url.to_s
else
csrf_token = ""
env.set "access_token", access_token
templated "authorize_token"
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end
end
get "/token_manager" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/subscription_manager")
if !user
next env.redirect referer
end
user = user.as(User)
tokens = PG_DB.query_all("SELECT id, issued FROM session_ids WHERE email = $1 ORDER BY issued DESC", user.email, as: {session: String, issued: Time})
templated "token_manager"
end
post "/token_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
redirect = env.params.query["redirect"]?
redirect ||= "true"
redirect = redirect == "true"
if !user
if redirect
next env.redirect referer
else
next error_json(403, "No such user")
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end
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
if redirect
next error_template(400, ex)
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else
next error_json(400, ex)
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end
end
if env.params.query["action_revoke_token"]?
action = "action_revoke_token"
else
next env.redirect referer
end
session = env.params.query["session"]?
session ||= ""
case action
when .starts_with? "action_revoke_token"
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1 AND email = $2", session, user.email)
else
next error_json(400, "Unsupported action #{action}")
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end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
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# Feeds
get "/feed/playlists" do |env|
env.redirect "/view_all_playlists"
end
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get "/feed/top" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
message = translate(locale, "The Top feed has been removed from Invidious.")
templated "message"
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end
get "/feed/popular" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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if CONFIG.popular_enabled
templated "popular"
else
message = translate(locale, "The Popular feed has been disabled by the administrator.")
templated "message"
end
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end
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get "/feed/trending" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
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trending_type = env.params.query["type"]?
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trending_type ||= "Default"
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region = env.params.query["region"]?
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region ||= "US"
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begin
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trending, plid = fetch_trending(trending_type, region, locale)
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rescue ex
next error_template(500, ex)
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end
templated "trending"
end
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get "/feed/subscriptions" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
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user = env.get? "user"
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sid = env.get? "sid"
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referer = get_referer(env)
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if !user
next env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = user.token
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if user.preferences.unseen_only
env.set "show_watched", true
end
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# Refresh account
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
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if !user.password
user, sid = get_user(sid, headers, PG_DB)
end
2018-03-26 08:51:24 +05:30
2019-06-09 02:34:55 +05:30
max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
max_results ||= user.preferences.max_results
max_results ||= CONFIG.default_user_preferences.max_results
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
2018-08-05 02:00:44 +05:30
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videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
# "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.
2019-06-08 06:26:41 +05:30
PG_DB.exec("UPDATE users SET notifications = $1, updated = $2 WHERE email = $3", [] of String, Time.utc,
user.email)
user.notifications = [] of String
env.set "user", user
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templated "subscriptions"
end
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get "/feed/history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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user = env.get? "user"
referer = get_referer(env)
page = env.params.query["page"]?.try &.to_i?
page ||= 1
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if !user
next env.redirect referer
end
user = user.as(User)
2018-11-10 08:07:46 +05:30
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max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
max_results ||= user.preferences.max_results
max_results ||= CONFIG.default_user_preferences.max_results
if user.watched[(page - 1) * max_results]?
watched = user.watched.reverse[(page - 1) * max_results, max_results]
end
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watched ||= [] of String
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templated "history"
end
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get "/feed/channel/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
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env.response.content_type = "application/atom+xml"
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2018-08-05 02:00:44 +05:30
ucid = env.params.url["ucid"]
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params = HTTP::Params.parse(env.params.query["params"]? || "")
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begin
channel = get_about_info(ucid, locale)
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rescue ex : ChannelRedirect
next env.redirect env.request.resource.gsub(ucid, ex.channel_id)
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rescue ex
next error_atom(500, ex)
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end
response = YT_POOL.client &.get("/feeds/videos.xml?channel_id=#{channel.ucid}")
rss = XML.parse_html(response.body)
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videos = rss.xpath_nodes("//feed/entry").map do |entry|
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video_id = entry.xpath_node("videoid").not_nil!.content
title = entry.xpath_node("title").not_nil!.content
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published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
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author = entry.xpath_node("author/name").not_nil!.content
ucid = entry.xpath_node("channelid").not_nil!.content
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description_html = entry.xpath_node("group/description").not_nil!.to_s
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views = entry.xpath_node("group/community/statistics").not_nil!.["views"].to_i64
SearchVideo.new({
title: title,
id: video_id,
author: author,
ucid: ucid,
published: published,
views: views,
description_html: description_html,
length_seconds: 0,
live_now: false,
premium: false,
premiere_timestamp: nil,
})
2019-02-19 03:36:00 +05:30
end
2018-07-16 21:54:24 +05:30
2019-06-07 23:09:12 +05:30
XML.build(indent: " ", encoding: "UTF-8") do |xml|
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xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
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"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
"xml:lang": "en-US") do
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xml.element("link", rel: "self", href: "#{HOST_URL}#{env.request.resource}")
xml.element("id") { xml.text "yt:channel:#{channel.ucid}" }
xml.element("yt:channelId") { xml.text channel.ucid }
xml.element("icon") { xml.text channel.author_thumbnail }
xml.element("title") { xml.text channel.author }
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xml.element("link", rel: "alternate", href: "#{HOST_URL}/channel/#{channel.ucid}")
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xml.element("author") do
xml.element("name") { xml.text channel.author }
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xml.element("uri") { xml.text "#{HOST_URL}/channel/#{channel.ucid}" }
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end
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videos.each do |video|
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video.to_xml(channel.auto_generated, params, xml)
end
end
end
end
2018-07-16 21:54:24 +05:30
2018-08-05 02:00:44 +05:30
get "/feed/private" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
2019-06-08 08:09:32 +05:30
env.response.content_type = "application/atom+xml"
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2018-08-05 02:00:44 +05:30
token = env.params.query["token"]?
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2018-08-05 02:00:44 +05:30
if !token
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env.response.status_code = 403
next
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end
2018-03-25 09:08:35 +05:30
2018-08-05 02:00:44 +05:30
user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User)
if !user
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env.response.status_code = 403
next
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end
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max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
max_results ||= user.preferences.max_results
max_results ||= CONFIG.default_user_preferences.max_results
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
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params = HTTP::Params.parse(env.params.query["params"]? || "")
2019-06-07 23:09:12 +05:30
videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
2018-07-31 21:14:07 +05:30
2019-06-07 23:09:12 +05:30
XML.build(indent: " ", encoding: "UTF-8") do |xml|
2018-12-23 23:37:04 +05:30
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",
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"xml:lang": "en-US") do
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xml.element("link", "type": "text/html", rel: "alternate", href: "#{HOST_URL}/feed/subscriptions")
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xml.element("link", "type": "application/atom+xml", rel: "self",
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href: "#{HOST_URL}#{env.request.resource}")
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xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) }
2019-06-08 07:57:37 +05:30
(notifications + videos).each do |video|
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video.to_xml(locale, params, xml)
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end
end
2018-08-05 02:00:44 +05:30
end
end
2018-03-25 09:08:35 +05:30
2018-09-18 04:43:24 +05:30
get "/feed/playlist/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
2018-12-21 03:02:09 +05:30
2019-06-08 08:09:32 +05:30
env.response.content_type = "application/atom+xml"
2019-03-06 00:26:59 +05:30
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plid = env.params.url["plid"]
params = HTTP::Params.parse(env.params.query["params"]? || "")
2018-09-18 04:43:24 +05:30
path = env.request.path
2019-08-06 05:19:13 +05:30
if plid.starts_with? "IV"
if playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
videos = get_playlist_videos(PG_DB, playlist, offset: 0, locale: locale)
next 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
2020-06-16 03:40:30 +05:30
xml.element("link", rel: "self", href: "#{HOST_URL}#{env.request.resource}")
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xml.element("id") { xml.text "iv:playlist:#{plid}" }
xml.element("iv:playlistId") { xml.text plid }
xml.element("title") { xml.text playlist.title }
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xml.element("link", rel: "alternate", href: "#{HOST_URL}/playlist?list=#{plid}")
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xml.element("author") do
xml.element("name") { xml.text playlist.author }
end
videos.each do |video|
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video.to_xml(false, xml)
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end
end
end
else
env.response.status_code = 404
next
end
end
2019-10-25 22:28:16 +05:30
response = YT_POOL.client &.get("/feeds/videos.xml?playlist_id=#{plid}")
2018-09-18 04:43:24 +05:30
document = XML.parse(response.body)
document.xpath_nodes(%q(//*[@href]|//*[@url])).each do |node|
node.attributes.each do |attribute|
case attribute.name
when "url", "href"
request_target = URI.parse(node[attribute.name]).request_target
query_string_opt = request_target.starts_with?("/watch?v=") ? "&#{params}" : ""
node[attribute.name] = "#{HOST_URL}#{request_target}#{query_string_opt}"
else nil # Skip
2018-09-18 04:43:24 +05:30
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"]).request_target}"
2018-09-18 04:43:24 +05:30
document = document.gsub(match[0], "<uri>#{content}</uri>")
end
document
end
2019-03-30 02:20:18 +05:30
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
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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 !mode || !topic || !challenge
env.response.status_code = 400
next
else
mode = mode.not_nil!
topic = topic.not_nil!
challenge = challenge.not_nil!
end
2019-06-08 06:26:41 +05:30
case verify_token
when .starts_with? "v1"
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_, time, nonce, signature = verify_token.split(":")
data = "#{time}:#{nonce}"
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when .starts_with? "v2"
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time, signature = verify_token.split(":")
data = "#{time}"
2019-06-08 06:26:41 +05:30
else
env.response.status_code = 400
next
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end
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# 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
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if Time.utc.to_unix - time.to_i > 432000
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env.response.status_code = 400
next
end
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if OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, data) != signature
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env.response.status_code = 400
next
end
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if ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"]?
PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.utc, ucid)
elsif plid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["playlist_id"]?
PG_DB.exec("UPDATE playlists SET subscribed = $1 WHERE id = $2", Time.utc, ucid)
else
env.response.status_code = 400
next
end
2019-03-23 20:54:30 +05:30
env.response.status_code = 200
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challenge
end
2019-03-04 08:10:24 +05:30
post "/feed/webhook/:token" do |env|
2019-04-11 04:28:42 +05:30
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
token = env.params.url["token"]
body = env.request.body.not_nil!.gets_to_end
signature = env.request.headers["X-Hub-Signature"].lchop("sha1=")
if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body)
LOGGER.error("/feed/webhook/#{token} : Invalid signature")
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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
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author = entry.xpath_node("author/name").not_nil!.content
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published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
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updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
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video = get_video(id, PG_DB, force_refresh: true)
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# Deliver notifications to `/api/v1/auth/notifications`
payload = {
"topic" => video.ucid,
"videoId" => video.id,
"published" => published.to_unix,
2019-04-11 04:28:42 +05:30
}.to_json
PG_DB.exec("NOTIFY notifications, E'#{payload}'")
video = ChannelVideo.new({
id: id,
title: video.title,
published: published,
updated: updated,
ucid: video.ucid,
author: author,
length_seconds: video.length_seconds,
live_now: video.live_now,
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premiere_timestamp: video.premiere_timestamp,
views: video.views,
})
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was_insert = PG_DB.query_one("INSERT INTO channel_videos VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
ON CONFLICT (id) DO UPDATE SET title = $2, published = $3,
updated = $4, ucid = $5, author = $6, length_seconds = $7,
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live_now = $8, premiere_timestamp = $9, views = $10 returning (xmax=0) as was_insert", *video.to_tuple, as: Bool)
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PG_DB.exec("UPDATE users SET notifications = array_append(notifications, $1),
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feed_needs_update = true WHERE $2 = ANY(subscriptions)", video.id, video.ucid) if was_insert
end
end
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env.response.status_code = 200
next
end
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# Channels
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{"/channel/:ucid/live", "/user/:user/live", "/c/:user/live"}.each do |route|
get route do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
# Appears to be a bug in routing, having several routes configured
# as `/a/:a`, `/b/:a`, `/c/:a` results in 404
value = env.request.resource.split("/")[2]
body = ""
{"channel", "user", "c"}.each do |type|
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response = YT_POOL.client &.get("/#{type}/#{value}/live?disable_polymer=1")
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if response.status_code == 200
body = response.body
end
end
video_id = body.match(/'VIDEO_ID': "(?<id>[a-zA-Z0-9_-]{11})"/).try &.["id"]?
if video_id
params = [] of String
env.params.query.each do |k, v|
params << "#{k}=#{v}"
end
params = params.join("&")
url = "/watch?v=#{video_id}"
if !params.empty?
url += "&#{params}"
end
env.redirect url
else
env.redirect "/channel/#{value}"
end
end
end
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# API Endpoints
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{"/api/v1/playlists/:plid", "/api/v1/auth/playlists/:plid"}.each do |route|
get route do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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env.response.content_type = "application/json"
plid = env.params.url["plid"]
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offset = env.params.query["index"]?.try &.to_i?
offset ||= env.params.query["page"]?.try &.to_i?.try { |page| (page - 1) * 100 }
offset ||= 0
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continuation = env.params.query["continuation"]?
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format = env.params.query["format"]?
format ||= "json"
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if plid.starts_with? "RD"
next env.redirect "/api/v1/mixes/#{plid}"
end
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begin
playlist = get_playlist(PG_DB, plid, locale)
rescue ex : InfoException
next error_json(404, ex)
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rescue ex
next error_json(404, "Playlist does not exist.")
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end
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user = env.get?("user").try &.as(User)
if !playlist || playlist.privacy.private? && playlist.author != user.try &.email
next error_json(404, "Playlist does not exist.")
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end
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response = playlist.to_json(offset, locale, continuation: continuation)
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if format == "html"
response = JSON.parse(response)
playlist_html = template_playlist(response)
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index, next_video = response["videos"].as_a.skip(1).select { |video| !video["author"].as_s.empty? }[0]?.try { |v| {v["index"], v["videoId"]} } || {nil, nil}
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response = {
"playlistHtml" => playlist_html,
"index" => index,
"nextVideo" => next_video,
}.to_json
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end
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response
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end
end
2018-08-15 20:52:36 +05:30
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get "/api/v1/mixes/:rdid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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env.response.content_type = "application/json"
rdid = env.params.url["rdid"]
continuation = env.params.query["continuation"]?
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continuation ||= rdid.lchop("RD")[0, 11]
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format = env.params.query["format"]?
format ||= "json"
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begin
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mix = fetch_mix(rdid, continuation, locale: locale)
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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
mix.videos = mix.videos[index..-1]
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rescue ex
next error_json(500, ex)
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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
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generate_thumbnails(json, video.id)
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end
end
json.field "index", video.index
json.field "lengthSeconds", video.length_seconds
end
end
end
end
end
end
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if format == "html"
response = JSON.parse(response)
playlist_html = template_mix(response)
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next_video = response["videos"].as_a.select { |video| !video["author"].as_s.empty? }[0]?.try &.["videoId"]
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response = {
"playlistHtml" => playlist_html,
"nextVideo" => next_video,
}.to_json
end
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response
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end
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# Authenticated endpoints
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get "/api/v1/auth/notifications" do |env|
env.response.content_type = "text/event-stream"
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topics = env.params.query["topics"]?.try &.split(",").uniq.first(1000)
topics ||= [] of String
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create_notification_stream(env, topics, connection_channel)
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end
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post "/api/v1/auth/notifications" do |env|
env.response.content_type = "text/event-stream"
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topics = env.params.body["topics"]?.try &.split(",").uniq.first(1000)
topics ||= [] of String
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create_notification_stream(env, topics, connection_channel)
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end
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get "/api/v1/auth/preferences" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
user.preferences.to_json
end
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post "/api/v1/auth/preferences" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
begin
preferences = Preferences.from_json(env.request.body || "{}")
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rescue
preferences = user.preferences
end
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
env.response.status_code = 204
end
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get "/api/v1/auth/feed" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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max_results = env.params.query["max_results"]?.try &.to_i?
max_results ||= user.preferences.max_results
max_results ||= CONFIG.default_user_preferences.max_results
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page = env.params.query["page"]?.try &.to_i?
page ||= 1
videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
JSON.build do |json|
json.object do
json.field "notifications" do
json.array do
notifications.each do |video|
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video.to_json(locale, json)
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end
end
end
json.field "videos" do
json.array do
videos.each do |video|
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video.to_json(locale, json)
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end
end
end
end
end
end
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get "/api/v1/auth/subscriptions" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
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if user.subscriptions.empty?
values = "'{}'"
else
values = "VALUES #{user.subscriptions.map { |id| %(('#{id}')) }.join(",")}"
end
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subscriptions = PG_DB.query_all("SELECT * FROM channels WHERE id = ANY(#{values})", as: InvidiousChannel)
JSON.build do |json|
json.array do
subscriptions.each do |subscription|
json.object do
json.field "author", subscription.author
json.field "authorId", subscription.id
end
end
end
end
end
post "/api/v1/auth/subscriptions/:ucid" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
ucid = env.params.url["ucid"]
if !user.subscriptions.includes? ucid
get_channel(ucid, PG_DB, false, false)
PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = array_append(subscriptions,$1) WHERE email = $2", ucid, user.email)
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end
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# For Google accounts, access tokens don't have enough information to
# make a request on the user's behalf, which is why we don't sync with
# YouTube.
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env.response.status_code = 204
end
delete "/api/v1/auth/subscriptions/:ucid" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
ucid = env.params.url["ucid"]
PG_DB.exec("UPDATE users SET feed_needs_update = true, subscriptions = array_remove(subscriptions, $1) WHERE email = $2", ucid, user.email)
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env.response.status_code = 204
end
2019-04-19 02:53:50 +05:30
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get "/api/v1/auth/playlists" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
user = env.get("user").as(User)
playlists = PG_DB.query_all("SELECT * FROM playlists WHERE author = $1", user.email, as: InvidiousPlaylist)
JSON.build do |json|
json.array do
playlists.each do |playlist|
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playlist.to_json(0, locale, json)
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end
end
end
end
post "/api/v1/auth/playlists" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
title = env.params.json["title"]?.try &.as(String).delete("<>").byte_slice(0, 150)
if !title
next error_json(400, "Invalid title.")
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end
privacy = env.params.json["privacy"]?.try { |privacy| PlaylistPrivacy.parse(privacy.as(String).downcase) }
if !privacy
next error_json(400, "Invalid privacy setting.")
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end
if PG_DB.query_one("SELECT count(*) FROM playlists WHERE author = $1", user.email, as: Int64) >= 100
next error_json(400, "User cannot have more than 100 playlists.")
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end
playlist = create_playlist(PG_DB, title, privacy, user)
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env.response.headers["Location"] = "#{HOST_URL}/api/v1/auth/playlists/#{playlist.id}"
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env.response.status_code = 201
{
"title" => title,
"playlistId" => playlist.id,
}.to_json
end
patch "/api/v1/auth/playlists/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
user = env.get("user").as(User)
plid = env.params.url["plid"]
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email && playlist.privacy.private?
next error_json(404, "Playlist does not exist.")
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end
if playlist.author != user.email
next error_json(403, "Invalid user")
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end
title = env.params.json["title"].try &.as(String).delete("<>").byte_slice(0, 150) || playlist.title
privacy = env.params.json["privacy"]?.try { |privacy| PlaylistPrivacy.parse(privacy.as(String).downcase) } || playlist.privacy
description = env.params.json["description"]?.try &.as(String).delete("\r") || playlist.description
if title != playlist.title ||
privacy != playlist.privacy ||
description != playlist.description
updated = Time.utc
else
updated = playlist.updated
end
PG_DB.exec("UPDATE playlists SET title = $1, privacy = $2, description = $3, updated = $4 WHERE id = $5", title, privacy, description, updated, plid)
env.response.status_code = 204
end
delete "/api/v1/auth/playlists/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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env.response.content_type = "application/json"
user = env.get("user").as(User)
plid = env.params.url["plid"]
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email && playlist.privacy.private?
next error_json(404, "Playlist does not exist.")
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end
if playlist.author != user.email
next error_json(403, "Invalid user")
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end
PG_DB.exec("DELETE FROM playlist_videos * WHERE plid = $1", plid)
PG_DB.exec("DELETE FROM playlists * WHERE id = $1", plid)
env.response.status_code = 204
end
post "/api/v1/auth/playlists/:plid/videos" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "application/json"
user = env.get("user").as(User)
plid = env.params.url["plid"]
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email && playlist.privacy.private?
next error_json(404, "Playlist does not exist.")
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end
if playlist.author != user.email
next error_json(403, "Invalid user")
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end
if playlist.index.size >= 500
next error_json(400, "Playlist cannot have more than 500 videos")
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end
video_id = env.params.json["videoId"].try &.as(String)
if !video_id
next error_json(403, "Invalid videoId")
2019-08-06 05:19:13 +05:30
end
begin
video = get_video(video_id, PG_DB)
rescue ex
next error_json(500, ex)
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end
playlist_video = PlaylistVideo.new({
title: video.title,
id: video.id,
author: video.author,
ucid: video.ucid,
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length_seconds: video.length_seconds,
published: video.published,
plid: plid,
live_now: video.live_now,
index: Random::Secure.rand(0_i64..Int64::MAX),
})
2019-08-06 05:19:13 +05:30
video_array = playlist_video.to_a
args = arg_array(video_array)
PG_DB.exec("INSERT INTO playlist_videos VALUES (#{args})", args: video_array)
PG_DB.exec("UPDATE playlists SET index = array_append(index, $1), video_count = cardinality(index) + 1, updated = $2 WHERE id = $3", playlist_video.index, Time.utc, plid)
2019-08-06 05:19:13 +05:30
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env.response.headers["Location"] = "#{HOST_URL}/api/v1/auth/playlists/#{plid}/videos/#{playlist_video.index.to_u64.to_s(16).upcase}"
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env.response.status_code = 201
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playlist_video.to_json(locale, index: playlist.index.size)
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end
delete "/api/v1/auth/playlists/:plid/videos/:index" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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env.response.content_type = "application/json"
user = env.get("user").as(User)
plid = env.params.url["plid"]
index = env.params.url["index"].to_i64(16)
playlist = PG_DB.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
if !playlist || playlist.author != user.email && playlist.privacy.private?
next error_json(404, "Playlist does not exist.")
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end
if playlist.author != user.email
next error_json(403, "Invalid user")
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end
if !playlist.index.includes? index
next error_json(404, "Playlist does not contain index")
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end
PG_DB.exec("DELETE FROM playlist_videos * WHERE index = $1", index)
PG_DB.exec("UPDATE playlists SET index = array_remove(index, $1), video_count = cardinality(index) - 1, updated = $2 WHERE id = $3", index, Time.utc, plid)
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env.response.status_code = 204
end
# patch "/api/v1/auth/playlists/:plid/videos/:index" do |env|
# TODO: Playlist stub
# end
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get "/api/v1/auth/tokens" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
scopes = env.get("scopes").as(Array(String))
tokens = PG_DB.query_all("SELECT id, issued FROM session_ids WHERE email = $1", user.email, as: {session: String, issued: Time})
JSON.build do |json|
json.array do
tokens.each do |token|
json.object do
json.field "session", token[:session]
json.field "issued", token[:issued].to_unix
end
end
end
end
end
post "/api/v1/auth/tokens/register" do |env|
user = env.get("user").as(User)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
case env.request.headers["Content-Type"]?
when "application/x-www-form-urlencoded"
scopes = env.params.body.select { |k, v| k.match(/^scopes\[\d+\]$/) }.map { |k, v| v }
callback_url = env.params.body["callbackUrl"]?
expire = env.params.body["expire"]?.try &.to_i?
when "application/json"
scopes = env.params.json["scopes"].as(Array).map { |v| v.as_s }
callback_url = env.params.json["callbackUrl"]?.try &.as(String)
expire = env.params.json["expire"]?.try &.as(Int64)
else
next error_json(400, "Invalid or missing header 'Content-Type'")
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end
if callback_url && callback_url.empty?
callback_url = nil
end
if callback_url
callback_url = URI.parse(callback_url)
end
if sid = env.get?("sid").try &.as(String)
env.response.content_type = "text/html"
csrf_token = generate_response(sid, {":authorize_token"}, HMAC_KEY, PG_DB, use_nonce: true)
next templated "authorize_token"
else
env.response.content_type = "application/json"
superset_scopes = env.get("scopes").as(Array(String))
authorized_scopes = [] of String
scopes.each do |scope|
if scopes_include_scope(superset_scopes, scope)
authorized_scopes << scope
end
end
access_token = generate_token(user.email, authorized_scopes, expire, HMAC_KEY, PG_DB)
if callback_url
access_token = URI.encode_www_form(access_token)
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if query = callback_url.query
query = HTTP::Params.parse(query.not_nil!)
else
query = HTTP::Params.new
end
query["token"] = access_token
callback_url.query = query.to_s
env.redirect callback_url.to_s
else
access_token
end
end
end
post "/api/v1/auth/tokens/unregister" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
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env.response.content_type = "application/json"
user = env.get("user").as(User)
scopes = env.get("scopes").as(Array(String))
session = env.params.json["session"]?.try &.as(String)
session ||= env.get("session").as(String)
# Allow tokens to revoke other tokens with correct scope
if session == env.get("session").as(String)
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", session)
elsif scopes_include_scope(scopes, "GET:tokens")
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", session)
else
next error_json(400, "Cannot revoke session #{session}")
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end
env.response.status_code = 204
end
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get "/ggpht/*" do |env|
url = env.request.path.lchop("/ggpht")
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headers = HTTP::Headers{":authority" => "yt3.ggpht.com"}
REQUEST_HEADERS_WHITELIST.each do |header|
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if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
env.response.status_code = response.status_code
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response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
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env.response.headers[key] = value
end
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end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300
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env.response.headers.delete("Transfer-Encoding")
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break
end
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proxy_file(response, env)
end
rescue ex
end
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end
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options "/sb/:authority/:id/:storyboard/:index" do |env|
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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
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get "/sb/:authority/:id/:storyboard/:index" do |env|
authority = env.params.url["authority"]
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id = env.params.url["id"]
storyboard = env.params.url["storyboard"]
index = env.params.url["index"]
url = "/sb/#{id}/#{storyboard}/#{index}?#{env.params.query}"
headers = HTTP::Headers.new
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headers[":authority"] = "#{authority}.ytimg.com"
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REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
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begin
YT_POOL.client &.get(url, headers) do |response|
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env.response.status_code = response.status_code
response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
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env.response.headers[key] = value
end
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end
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env.response.headers["Connection"] = "close"
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300
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env.response.headers.delete("Transfer-Encoding")
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break
end
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proxy_file(response, env)
end
rescue ex
end
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end
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get "/s_p/:id/:name" do |env|
id = env.params.url["id"]
name = env.params.url["name"]
url = env.request.resource
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headers = HTTP::Headers{":authority" => "i9.ytimg.com"}
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REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
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env.response.status_code = response.status_code
response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
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env.response.headers[key] = value
end
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end
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300 && response.status_code != 404
env.response.headers.delete("Transfer-Encoding")
break
end
proxy_file(response, env)
end
rescue ex
end
end
get "/yts/img/:name" do |env|
headers = HTTP::Headers.new
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
begin
YT_POOL.client &.get(env.request.resource, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
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env.response.headers[key] = value
end
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end
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300 && response.status_code != 404
env.response.headers.delete("Transfer-Encoding")
break
end
proxy_file(response, env)
end
rescue ex
end
end
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get "/vi/:id/:name" do |env|
id = env.params.url["id"]
name = env.params.url["name"]
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headers = HTTP::Headers{":authority" => "i.ytimg.com"}
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if name == "maxres.jpg"
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build_thumbnails(id).each do |thumb|
if YT_POOL.client &.head("/vi/#{id}/#{thumb[:url]}.jpg", headers).status_code == 200
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name = thumb[:url] + ".jpg"
break
end
end
end
url = "/vi/#{id}/#{name}"
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
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begin
YT_POOL.client &.get(url, headers) do |response|
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env.response.status_code = response.status_code
response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
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env.response.headers[key] = value
end
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end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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if response.status_code >= 300 && response.status_code != 404
env.response.headers.delete("Transfer-Encoding")
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break
end
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proxy_file(response, env)
end
rescue ex
end
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end
get "/Captcha" do |env|
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headers = HTTP::Headers{":authority" => "accounts.google.com"}
response = YT_POOL.client &.get(env.request.resource, headers)
env.response.headers["Content-Type"] = response.headers["Content-Type"]
response.body
end
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# Undocumented, creates anonymous playlist with specified 'video_ids', max 50 videos
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get "/watch_videos" do |env|
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response = YT_POOL.client &.get(env.request.resource)
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if url = response.headers["Location"]?
url = URI.parse(url).request_target
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next env.redirect url
end
env.response.status_code = response.status_code
end
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error 404 do |env|
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if md = env.request.path.match(/^\/(?<id>([a-zA-Z0-9_-]{11})|(\w+))$/)
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item = md["id"]
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# Check if item is branding URL e.g. https://youtube.com/gaming
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response = YT_POOL.client &.get("/#{item}")
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if response.status_code == 301
response = YT_POOL.client &.get(URI.parse(response.headers["Location"]).request_target)
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end
if response.body.empty?
env.response.headers["Location"] = "/"
halt env, status_code: 302
end
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html = XML.parse_html(response.body)
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ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
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if ucid
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env.response.headers["Location"] = "/channel/#{ucid}"
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halt env, status_code: 302
end
params = [] of String
env.params.query.each do |k, v|
params << "#{k}=#{v}"
end
params = params.join("&")
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url = "/watch?v=#{item}"
if !params.empty?
url += "&#{params}"
end
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# Check if item is video ID
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if item.match(/^[a-zA-Z0-9_-]{11}$/) && YT_POOL.client &.head("/watch?v=#{item}").status_code != 404
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env.response.headers["Location"] = url
halt env, status_code: 302
end
end
env.response.headers["Location"] = "/"
halt env, status_code: 302
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end
error 500 do |env, ex|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
error_template(500, ex)
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end
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static_headers do |response, filepath, filestat|
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response.headers.add("Cache-Control", "max-age=2629800")
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end
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public_folder "assets"
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Kemal.config.powered_by_header = false
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add_handler FilteredCompressHandler.new
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add_handler APIHandler.new
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add_handler AuthHandler.new
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add_handler DenyFrame.new
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add_context_storage_type(Array(String))
add_context_storage_type(Preferences)
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add_context_storage_type(User)
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Kemal.config.logger = LOGGER
Kemal.config.host_binding = Kemal.config.host_binding != "0.0.0.0" ? Kemal.config.host_binding : CONFIG.host_binding
Kemal.config.port = Kemal.config.port != 3000 ? Kemal.config.port : CONFIG.port
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Kemal.run