1191 lines
39 KiB
Crystal
1191 lines
39 KiB
Crystal
macro add_mapping(mapping)
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def initialize({{*mapping.keys.map { |id| "@#{id}".id }}})
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end
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def to_a
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return [{{*mapping.keys.map { |id| "@#{id}".id }}}]
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end
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DB.mapping({{mapping}})
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end
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macro templated(filename)
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render "src/invidious/views/#{{{filename}}}.ecr", "src/invidious/views/layout.ecr"
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end
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macro rendered(filename)
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render "src/invidious/views/#{{{filename}}}.ecr"
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end
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DEFAULT_USER_PREFERENCES = Preferences.from_json({
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"video_loop" => false,
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"autoplay" => false,
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"speed" => 1.0,
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"quality" => "hd720",
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"volume" => 100,
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"comments" => "youtube",
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"dark_mode" => false,
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"thin_mode " => false,
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"max_results" => 40,
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"sort" => "published",
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"latest_only" => false,
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"unseen_only" => false,
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}.to_json)
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class Config
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YAML.mapping({
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crawl_threads: Int32,
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channel_threads: Int32,
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video_threads: Int32,
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db: NamedTuple(
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user: String,
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password: String,
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host: String,
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port: Int32,
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dbname: String,
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),
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dl_api_key: String?,
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https_only: Bool?,
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hmac_key: String?,
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})
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end
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class FilteredCompressHandler < Kemal::Handler
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exclude ["/videoplayback"]
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def call(env)
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return call_next env if exclude_match? env
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{% if flag?(:without_zlib) %}
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call_next env
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{% else %}
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request_headers = env.request.headers
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if request_headers.includes_word?("Accept-Encoding", "gzip")
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env.response.headers["Content-Encoding"] = "gzip"
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env.response.output = Gzip::Writer.new(env.response.output, sync_close: true)
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elsif request_headers.includes_word?("Accept-Encoding", "deflate")
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env.response.headers["Content-Encoding"] = "deflate"
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env.response.output = Flate::Writer.new(env.response.output, sync_close: true)
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end
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call_next env
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{% end %}
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end
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end
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class Video
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module HTTPParamConverter
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def self.from_rs(rs)
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HTTP::Params.parse(rs.read(String))
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end
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end
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add_mapping({
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id: String,
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info: {
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type: HTTP::Params,
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default: HTTP::Params.parse(""),
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converter: Video::HTTPParamConverter,
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},
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updated: Time,
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title: String,
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views: Int64,
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likes: Int32,
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dislikes: Int32,
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wilson_score: Float64,
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published: Time,
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description: String,
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language: String?,
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author: String,
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ucid: String,
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allowed_regions: Array(String),
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is_family_friendly: Bool,
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genre: String,
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})
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end
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class InvidiousChannel
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add_mapping({
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id: String,
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author: String,
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updated: Time,
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})
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end
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class ChannelVideo
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add_mapping({
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id: String,
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title: String,
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published: Time,
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updated: Time,
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ucid: String,
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author: String,
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})
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end
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class User
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module PreferencesConverter
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def self.from_rs(rs)
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begin
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Preferences.from_json(rs.read(String))
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rescue ex
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DEFAULT_USER_PREFERENCES
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end
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end
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end
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add_mapping({
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id: String,
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updated: Time,
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notifications: Array(String),
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subscriptions: Array(String),
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email: String,
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preferences: {
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type: Preferences,
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default: DEFAULT_USER_PREFERENCES,
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converter: PreferencesConverter,
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},
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password: String?,
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token: String,
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watched: Array(String),
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})
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end
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# TODO: Migrate preferences so this will not be nilable
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class Preferences
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JSON.mapping({
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video_loop: Bool,
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autoplay: Bool,
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speed: Float32,
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quality: String,
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volume: Int32,
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comments: {
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type: String,
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nilable: true,
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default: "youtube",
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},
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redirect_feed: {
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type: Bool,
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nilable: true,
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default: false,
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},
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dark_mode: Bool,
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thin_mode: {
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type: Bool,
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nilable: true,
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default: false,
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},
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max_results: Int32,
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sort: String,
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latest_only: Bool,
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unseen_only: Bool,
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})
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end
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class RedditThing
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JSON.mapping({
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kind: String,
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data: RedditComment | RedditLink | RedditMore | RedditListing,
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})
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end
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class RedditComment
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JSON.mapping({
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author: String,
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body_html: String,
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replies: RedditThing | String,
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score: Int32,
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depth: Int32,
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})
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end
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class RedditLink
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JSON.mapping({
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author: String,
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score: Int32,
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subreddit: String,
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num_comments: Int32,
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id: String,
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permalink: String,
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title: String,
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})
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end
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class RedditMore
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JSON.mapping({
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children: Array(String),
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count: Int32,
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depth: Int32,
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})
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end
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class RedditListing
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JSON.mapping({
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children: Array(RedditThing),
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modhash: String,
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})
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end
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# See http://www.evanmiller.org/how-not-to-sort-by-average-rating.html
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def ci_lower_bound(pos, n)
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if n == 0
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return 0.0
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end
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# z value here represents a confidence level of 0.95
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z = 1.96
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phat = 1.0*pos/n
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return (phat + z*z/(2*n) - z * Math.sqrt((phat*(1 - phat) + z*z/(4*n))/n))/(1 + z*z/n)
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end
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def elapsed_text(elapsed)
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millis = elapsed.total_milliseconds
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return "#{millis.round(2)}ms" if millis >= 1
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"#{(millis * 1000).round(2)}µs"
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end
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def fetch_video(id)
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info_channel = Channel(HTTP::Params).new
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html_channel = Channel(XML::Node).new
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spawn do
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client = make_client(YT_URL)
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html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&disable_polymer=1")
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html = XML.parse_html(html.body)
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html_channel.send(html)
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end
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spawn do
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client = make_client(YT_URL)
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info = client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
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info = HTTP::Params.parse(info.body)
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if info["reason"]?
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info = client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
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info = HTTP::Params.parse(info.body)
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end
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info_channel.send(info)
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end
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html = html_channel.receive
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info = info_channel.receive
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if info["reason"]?
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raise info["reason"]
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end
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title = info["title"]
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views = info["view_count"].to_i64
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author = info["author"]
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ucid = info["ucid"]
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likes = html.xpath_node(%q(//button[@title="I like this"]/span))
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likes = likes.try &.content.delete(",").try &.to_i
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likes ||= 0
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dislikes = html.xpath_node(%q(//button[@title="I dislike this"]/span))
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dislikes = dislikes.try &.content.delete(",").try &.to_i
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dislikes ||= 0
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description = html.xpath_node(%q(//p[@id="eow-description"]))
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description = description ? description.to_xml : ""
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wilson_score = ci_lower_bound(likes, likes + dislikes)
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published = html.xpath_node(%q(//meta[@itemprop="datePublished"])).not_nil!["content"]
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published = Time.parse(published, "%Y-%m-%d", Time::Location.local)
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allowed_regions = html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",")
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is_family_friendly = html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True"
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genre = html.xpath_node(%q(//meta[@itemprop="genre"])).not_nil!["content"]
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video = Video.new(id, info, Time.now, title, views, likes, dislikes, wilson_score, published, description,
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nil, author, ucid, allowed_regions, is_family_friendly, genre)
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return video
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end
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def get_video(id, db, refresh = true)
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if db.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", id, as: Bool)
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video = db.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
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# If record was last updated over an hour ago, refresh (expire param in response lasts for 6 hours)
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if refresh && Time.now - video.updated > 1.hour
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begin
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video = fetch_video(id)
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video_array = video.to_a
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args = arg_array(video_array[1..-1], 2)
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db.exec("UPDATE videos SET (info,updated,title,views,likes,dislikes,wilson_score,\
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published,description,language,author,ucid, allowed_regions, is_family_friendly, genre)\
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= (#{args}) WHERE id = $1", video_array)
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rescue ex
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db.exec("DELETE FROM videos * WHERE id = $1", id)
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raise ex
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end
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end
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else
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video = fetch_video(id)
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video_array = video.to_a
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args = arg_array(video_array)
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db.exec("INSERT INTO videos VALUES (#{args}) ON CONFLICT (id) DO NOTHING", video_array)
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end
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return video
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end
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def search(query, client, &block)
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html = client.get("/results?q=#{query}&sp=EgIQAVAU&disable_polymer=1").body
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html = XML.parse_html(html)
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html.xpath_nodes(%q(//ol[@class="item-section"]/li)).each do |item|
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root = item.xpath_node(%q(div[contains(@class,"yt-lockup-video")]/div))
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if root
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link = root.xpath_node(%q(div[contains(@class,"yt-lockup-thumbnail")]/a/@href))
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if link
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yield link.content.split("=")[1]
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end
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end
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end
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end
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def splice(a, b)
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c = a[0]
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a[0] = a[b % a.size]
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a[b % a.size] = c
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return a
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end
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def decrypt_signature(a, code)
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a = a.split("")
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code.each do |item|
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case item[:name]
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when "a"
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a.reverse!
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when "b"
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a.delete_at(0..(item[:value] - 1))
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when "c"
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a = splice(a, item[:value])
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end
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end
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return a.join("")
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end
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def update_decrypt_function(client)
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# Video with signature
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document = client.get("/watch?v=CvFH_6DNRCY").body
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url = document.match(/src="(?<url>\/yts\/jsbin\/player-.{9}\/en_US\/base.js)"/).not_nil!["url"]
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player = client.get(url).body
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function_name = player.match(/\(b\|\|\(b="signature"\),d.set\(b,(?<name>[a-zA-Z0-9]{2})\(c\)\)\)/).not_nil!["name"]
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function_body = player.match(/#{function_name}=function\(a\){(?<body>[^}]+)}/).not_nil!["body"]
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function_body = function_body.split(";")[1..-2]
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var_name = function_body[0][0, 2]
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operations = {} of String => String
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matches = player.delete("\n").match(/var #{var_name}={(?<op1>[a-zA-Z0-9]{2}:[^}]+}),(?<op2>[a-zA-Z0-9]{2}:[^}]+}),(?<op3>[a-zA-Z0-9]{2}:[^}]+})};/).not_nil!
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3.times do |i|
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operation = matches["op#{i + 1}"]
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op_name = operation[0, 2]
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op_body = operation.match(/\{[^}]+\}/).not_nil![0]
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case op_body
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when "{a.reverse()}"
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operations[op_name] = "a"
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when "{a.splice(0,b)}"
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operations[op_name] = "b"
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else
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operations[op_name] = "c"
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end
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end
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decrypt_function = [] of {name: String, value: Int32}
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function_body.each do |function|
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function = function.lchop(var_name + ".")
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op_name = function[0, 2]
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function = function.lchop(op_name + "(a,")
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value = function.rchop(")").to_i
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decrypt_function << {name: operations[op_name], value: value}
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end
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return decrypt_function
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end
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def rank_videos(db, n, filter, url)
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top = [] of {Float64, String}
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db.query("SELECT id, wilson_score, published FROM videos WHERE views > 5000 ORDER BY published DESC LIMIT 1000") do |rs|
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rs.each do
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id = rs.read(String)
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wilson_score = rs.read(Float64)
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published = rs.read(Time)
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# Exponential decay, older videos tend to rank lower
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temperature = wilson_score * Math.exp(-0.000005*((Time.now - published).total_minutes))
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top << {temperature, id}
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end
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end
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top.sort!
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# Make hottest come first
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top.reverse!
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top = top.map { |a, b| b }
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if filter
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language_list = [] of String
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top.each do |id|
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if language_list.size == n
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break
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else
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client = make_client(url)
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begin
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video = get_video(id, db)
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rescue ex
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next
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end
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if video.language
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language = video.language
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else
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description = XML.parse(video.description)
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content = [video.title, description.content].join(" ")
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content = content[0, 10000]
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results = DetectLanguage.detect(content)
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language = results[0].language
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db.exec("UPDATE videos SET language = $1 WHERE id = $2", language, id)
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end
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if language == "en"
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language_list << id
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end
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end
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end
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return language_list
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else
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return top[0..n - 1]
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end
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end
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def make_client(url)
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context = OpenSSL::SSL::Context::Client.new
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context.add_options(
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OpenSSL::SSL::Options::ALL |
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OpenSSL::SSL::Options::NO_SSL_V2 |
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OpenSSL::SSL::Options::NO_SSL_V3
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)
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client = HTTP::Client.new(url, context)
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client.read_timeout = 10.seconds
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client.connect_timeout = 10.seconds
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return client
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end
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def get_reddit_comments(id, client, headers)
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query = "(url:3D#{id}%20OR%20url:#{id})%20(site:youtube.com%20OR%20site:youtu.be)"
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search_results = client.get("/search.json?q=#{query}", headers)
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if search_results.status_code == 200
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search_results = RedditThing.from_json(search_results.body)
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thread = search_results.data.as(RedditListing).children.sort_by { |child| child.data.as(RedditLink).score }[-1]
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thread = thread.data.as(RedditLink)
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result = client.get("/r/#{thread.subreddit}/comments/#{thread.id}?limit=100&sort=top", headers).body
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result = Array(RedditThing).from_json(result)
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elsif search_results.status_code == 302
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result = client.get(search_results.headers["Location"], headers).body
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result = Array(RedditThing).from_json(result)
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thread = result[0].data.as(RedditListing).children[0].data.as(RedditLink)
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else
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raise "Got error code #{search_results.status_code}"
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end
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comments = result[1].data.as(RedditListing).children
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return comments, thread
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end
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|
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def template_youtube_comments(comments)
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html = ""
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|
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root = comments["comments"].as_a
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root.each do |child|
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if child["replies"]?
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replies_html = <<-END_HTML
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<div id="replies" class="pure-g">
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<div class="pure-u-md-1-24"></div>
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<div class="pure-u-md-23-24">
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<p>
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<a href="javascript:void(0)" data-continuation="#{child["replies"]["continuation"]}"
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onclick="load_comments(this)">View #{child["replies"]["replyCount"]} replies</a>
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</p>
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</div>
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</div>
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END_HTML
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end
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|
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html += <<-END_HTML
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<div class="pure-g">
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<div class="pure-u-1">
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<p>
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<a href="javascript:void(0)" onclick="toggle(this)">[ - ]</a> #{child["likeCount"]} <b>#{child["author"]}</b>
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</p>
|
|
<div>
|
|
#{child["content"]}
|
|
#{replies_html}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
END_HTML
|
|
end
|
|
|
|
if comments["continuation"]?
|
|
html += <<-END_HTML
|
|
<div class="pure-g">
|
|
<div class="pure-u-1">
|
|
<p>
|
|
<a href="javascript:void(0)" data-continuation="#{comments["continuation"]}"
|
|
onclick="load_comments(this)">Load more</a>
|
|
</p>
|
|
</div>
|
|
</div>
|
|
END_HTML
|
|
end
|
|
|
|
return html
|
|
end
|
|
|
|
def template_reddit_comments(root)
|
|
html = ""
|
|
root.each do |child|
|
|
if child.data.is_a?(RedditComment)
|
|
child = child.data.as(RedditComment)
|
|
author = child.author
|
|
score = child.score
|
|
body_html = HTML.unescape(child.body_html)
|
|
|
|
replies_html = ""
|
|
if child.replies.is_a?(RedditThing)
|
|
replies = child.replies.as(RedditThing)
|
|
replies_html = template_reddit_comments(replies.data.as(RedditListing).children)
|
|
end
|
|
|
|
content = <<-END_HTML
|
|
<p>
|
|
<a href="javascript:void(0)" onclick="toggle(this)">[ - ]</a> #{score} <b>#{author}</b>
|
|
</p>
|
|
<div>
|
|
#{body_html}
|
|
#{replies_html}
|
|
</div>
|
|
END_HTML
|
|
|
|
if child.depth > 0
|
|
html += <<-END_HTML
|
|
<div class="pure-g">
|
|
<div class="pure-u-1-24">
|
|
</div>
|
|
<div class="pure-u-23-24">
|
|
#{content}
|
|
</div>
|
|
</div>
|
|
END_HTML
|
|
else
|
|
html += <<-END_HTML
|
|
<div class="pure-g">
|
|
<div class="pure-u-1">
|
|
#{content}
|
|
</div>
|
|
</div>
|
|
END_HTML
|
|
end
|
|
end
|
|
end
|
|
|
|
return html
|
|
end
|
|
|
|
def number_with_separator(number)
|
|
number.to_s.reverse.gsub(/(\d{3})(?=\d)/, "\\1,").reverse
|
|
end
|
|
|
|
def arg_array(array, start = 1)
|
|
if array.size == 0
|
|
args = "NULL"
|
|
else
|
|
args = [] of String
|
|
(start..array.size + start - 1).each { |i| args << "($#{i})" }
|
|
args = args.join(",")
|
|
end
|
|
|
|
return args
|
|
end
|
|
|
|
def add_alt_links(html)
|
|
alt_links = [] of {Int32, String}
|
|
|
|
# This is painful but is likely the only way to accomplish this in Crystal,
|
|
# as Crystigiri and others are not able to insert XML Nodes into a document.
|
|
# The goal here is to use as little regex as possible
|
|
html.scan(/<a[^>]*>([^<]+)<\/a>/) do |match|
|
|
anchor = XML.parse_html(match[0])
|
|
anchor = anchor.xpath_node("//a").not_nil!
|
|
url = URI.parse(HTML.unescape(anchor["href"]))
|
|
|
|
if ["www.youtube.com", "m.youtube.com"].includes?(url.host)
|
|
alt_link = <<-END_HTML
|
|
<a href="#{url.full_path}">
|
|
<i class="icon ion-ios-link" aria-hidden="true"></i>
|
|
</a>
|
|
END_HTML
|
|
elsif url.host == "youtu.be"
|
|
alt_link = <<-END_HTML
|
|
<a href="/watch?v=#{url.path.try &.lchop("/")}&#{url.query}">
|
|
<i class="icon ion-ios-link" aria-hidden="true"></i>
|
|
</a>
|
|
END_HTML
|
|
else
|
|
alt_link = ""
|
|
end
|
|
|
|
alt_links << {match.end.not_nil!, alt_link}
|
|
end
|
|
|
|
alt_links.reverse!
|
|
alt_links.each do |position, alt_link|
|
|
html = html.insert(position, alt_link)
|
|
end
|
|
|
|
return html
|
|
end
|
|
|
|
def fill_links(html, scheme, host)
|
|
html = XML.parse_html(html)
|
|
|
|
html.xpath_nodes("//a").each do |match|
|
|
url = URI.parse(match["href"])
|
|
# Reddit links don't have host
|
|
if !url.host && !match["href"].starts_with?("javascript")
|
|
url.scheme = scheme
|
|
url.host = host
|
|
match["href"] = url
|
|
end
|
|
end
|
|
|
|
html = html.to_xml
|
|
end
|
|
|
|
def login_req(login_form, f_req)
|
|
data = {
|
|
"pstMsg" => "1",
|
|
"checkConnection" => "youtube",
|
|
"checkedDomains" => "youtube",
|
|
"hl" => "en",
|
|
"deviceinfo" => %q([null,null,null,[],null,"US",null,null,[],"GlifWebSignIn",null,[null,null,[]]]),
|
|
"f.req" => f_req,
|
|
"flowName" => "GlifWebSignIn",
|
|
"flowEntry" => "ServiceLogin",
|
|
}
|
|
|
|
data = login_form.merge(data)
|
|
|
|
return HTTP::Params.encode(data)
|
|
end
|
|
|
|
def get_channel(id, client, db, refresh = true, pull_all_videos = true)
|
|
if db.query_one?("SELECT EXISTS (SELECT true FROM channels WHERE id = $1)", id, as: Bool)
|
|
channel = db.query_one("SELECT * FROM channels WHERE id = $1", id, as: InvidiousChannel)
|
|
|
|
if refresh && Time.now - channel.updated > 10.minutes
|
|
channel = fetch_channel(id, client, db, pull_all_videos)
|
|
channel_array = channel.to_a
|
|
args = arg_array(channel_array)
|
|
|
|
db.exec("INSERT INTO channels VALUES (#{args}) \
|
|
ON CONFLICT (id) DO UPDATE SET updated = $3", channel_array)
|
|
end
|
|
else
|
|
channel = fetch_channel(id, client, db, pull_all_videos)
|
|
args = arg_array(channel.to_a)
|
|
db.exec("INSERT INTO channels VALUES (#{args})", channel.to_a)
|
|
end
|
|
|
|
return channel
|
|
end
|
|
|
|
def fetch_channel(ucid, client, db, pull_all_videos = true)
|
|
rss = client.get("/feeds/videos.xml?channel_id=#{ucid}").body
|
|
rss = XML.parse_html(rss)
|
|
|
|
author = rss.xpath_node(%q(//feed/title))
|
|
if !author
|
|
raise "Deleted or invalid channel"
|
|
end
|
|
author = author.content
|
|
|
|
if !pull_all_videos
|
|
rss.xpath_nodes("//feed/entry").each do |entry|
|
|
video_id = entry.xpath_node("videoid").not_nil!.content
|
|
title = entry.xpath_node("title").not_nil!.content
|
|
published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z", Time::Location.local)
|
|
updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z", Time::Location.local)
|
|
author = entry.xpath_node("author/name").not_nil!.content
|
|
ucid = entry.xpath_node("channelid").not_nil!.content
|
|
|
|
video = ChannelVideo.new(video_id, title, published, Time.now, ucid, author)
|
|
|
|
db.exec("UPDATE users SET notifications = notifications || $1 \
|
|
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, ucid)
|
|
|
|
video_array = video.to_a
|
|
args = arg_array(video_array)
|
|
db.exec("INSERT INTO channel_videos VALUES (#{args}) \
|
|
ON CONFLICT (id) DO UPDATE SET title = $2, published = $3, \
|
|
updated = $4, ucid = $5, author = $6", video_array)
|
|
end
|
|
else
|
|
videos = [] of ChannelVideo
|
|
page = 1
|
|
|
|
loop do
|
|
url = produce_videos_url(ucid, page)
|
|
response = client.get(url)
|
|
|
|
json = JSON.parse(response.body)
|
|
content_html = json["content_html"].as_s
|
|
if content_html.empty?
|
|
# If we don't get anything, move on
|
|
break
|
|
end
|
|
document = XML.parse_html(content_html)
|
|
|
|
document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |item|
|
|
anchor = item.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a))
|
|
if !anchor
|
|
raise "could not find anchor"
|
|
end
|
|
|
|
title = anchor.content.strip
|
|
video_id = anchor["href"].lchop("/watch?v=")
|
|
|
|
published = item.xpath_node(%q(.//div[@class="yt-lockup-meta"]/ul/li[1]))
|
|
if !published
|
|
# This happens on Youtube red videos, here we just skip them
|
|
next
|
|
end
|
|
published = published.content
|
|
published = decode_date(published)
|
|
|
|
videos << ChannelVideo.new(video_id, title, published, Time.now, ucid, author)
|
|
end
|
|
|
|
if document.xpath_nodes(%q(//li[contains(@class, "channels-content-item")])).size < 30
|
|
break
|
|
end
|
|
|
|
page += 1
|
|
end
|
|
|
|
video_ids = [] of String
|
|
videos.each do |video|
|
|
db.exec("UPDATE users SET notifications = notifications || $1 \
|
|
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, ucid)
|
|
video_ids << video.id
|
|
|
|
video_array = video.to_a
|
|
args = arg_array(video_array)
|
|
db.exec("INSERT INTO channel_videos VALUES (#{args}) ON CONFLICT (id) DO NOTHING", video_array)
|
|
end
|
|
|
|
# When a video is deleted from a channel, we find and remove it here
|
|
db.exec("DELETE FROM channel_videos * WHERE NOT id = ANY ('{#{video_ids.map { |a| %("#{a}") }.join(",")}}') AND ucid = $1", ucid)
|
|
end
|
|
|
|
channel = InvidiousChannel.new(ucid, author, Time.now)
|
|
|
|
return channel
|
|
end
|
|
|
|
def get_user(sid, client, headers, db, refresh = true)
|
|
if db.query_one?("SELECT EXISTS (SELECT true FROM users WHERE id = $1)", sid, as: Bool)
|
|
user = db.query_one("SELECT * FROM users WHERE id = $1", sid, as: User)
|
|
|
|
if refresh && Time.now - user.updated > 1.minute
|
|
user = fetch_user(sid, client, headers, db)
|
|
user_array = user.to_a
|
|
|
|
user_array[5] = user_array[5].to_json
|
|
args = arg_array(user_array)
|
|
|
|
db.exec("INSERT INTO users VALUES (#{args}) \
|
|
ON CONFLICT (email) DO UPDATE SET id = $1, updated = $2, subscriptions = $4", user_array)
|
|
end
|
|
else
|
|
user = fetch_user(sid, client, headers, db)
|
|
user_array = user.to_a
|
|
|
|
user_array[5] = user_array[5].to_json
|
|
args = arg_array(user.to_a)
|
|
|
|
db.exec("INSERT INTO users VALUES (#{args}) \
|
|
ON CONFLICT (email) DO UPDATE SET id = $1, updated = $2, subscriptions = $4", user_array)
|
|
end
|
|
|
|
return user
|
|
end
|
|
|
|
def fetch_user(sid, client, headers, db)
|
|
feed = client.get("/subscription_manager?disable_polymer=1", headers)
|
|
feed = XML.parse_html(feed.body)
|
|
|
|
channels = [] of String
|
|
feed.xpath_nodes(%q(//ul[@id="guide-channels"]/li/a)).each do |channel|
|
|
if !["Popular on YouTube", "Music", "Sports", "Gaming"].includes? channel["title"]
|
|
channel_id = channel["href"].lstrip("/channel/")
|
|
|
|
begin
|
|
channel = get_channel(channel_id, client, db, false, false)
|
|
channels << channel.id
|
|
rescue ex
|
|
next
|
|
end
|
|
end
|
|
end
|
|
|
|
email = feed.xpath_node(%q(//a[@class="yt-masthead-picker-header yt-masthead-picker-active-account"]))
|
|
if email
|
|
email = email.content.strip
|
|
else
|
|
email = ""
|
|
end
|
|
|
|
token = Base64.encode(Random::Secure.random_bytes(32))
|
|
|
|
user = User.new(sid, Time.now, [] of String, channels, email, DEFAULT_USER_PREFERENCES, nil, token, [] of String)
|
|
return user
|
|
end
|
|
|
|
def create_user(sid, email, password)
|
|
password = Crypto::Bcrypt::Password.create(password, cost: 10)
|
|
token = Base64.encode(Random::Secure.random_bytes(32))
|
|
|
|
user = User.new(sid, Time.now, [] of String, [] of String, email, DEFAULT_USER_PREFERENCES, password.to_s, token, [] of String)
|
|
|
|
return user
|
|
end
|
|
|
|
def decode_time(string)
|
|
time = string.try &.to_f?
|
|
|
|
if !time
|
|
hours = /(?<hours>\d+)h/.match(string).try &.["hours"].try &.to_i
|
|
hours ||= 0
|
|
|
|
minutes = /(?<minutes>\d+)m(?!s)/.match(string).try &.["minutes"].try &.to_i
|
|
minutes ||= 0
|
|
|
|
seconds = /(?<seconds>\d+)s/.match(string).try &.["seconds"].try &.to_i
|
|
seconds ||= 0
|
|
|
|
millis = /(?<millis>\d+)ms/.match(string).try &.["millis"].try &.to_i
|
|
millis ||= 0
|
|
|
|
time = hours * 3600 + minutes * 60 + seconds + millis / 1000
|
|
end
|
|
|
|
return time
|
|
end
|
|
|
|
def decode_date(date : String)
|
|
# Time matches format "20 hours ago", "40 minutes ago"...
|
|
delta = date.split(" ")[0].to_i
|
|
case date
|
|
when .includes? "minute"
|
|
delta = delta.minutes
|
|
when .includes? "hour"
|
|
delta = delta.hours
|
|
when .includes? "day"
|
|
delta = delta.days
|
|
when .includes? "week"
|
|
delta = delta.weeks
|
|
when .includes? "month"
|
|
delta = delta.months
|
|
when .includes? "year"
|
|
delta = delta.years
|
|
else
|
|
raise "Could not parse #{date}"
|
|
end
|
|
|
|
return Time.now - delta
|
|
end
|
|
|
|
def produce_playlist_url(ucid, index)
|
|
ucid = ucid.lchop("UC")
|
|
ucid = "VLUU" + ucid
|
|
|
|
continuation = write_var_int(index)
|
|
continuation.unshift(0x08_u8)
|
|
slice = continuation.to_unsafe.to_slice(continuation.size)
|
|
|
|
continuation = Base64.urlsafe_encode(slice, false)
|
|
continuation = "PT:" + continuation
|
|
continuation = continuation.bytes
|
|
continuation.unshift(0x7a_u8, continuation.size.to_u8)
|
|
|
|
slice = continuation.to_unsafe.to_slice(continuation.size)
|
|
continuation = Base64.urlsafe_encode(slice)
|
|
continuation = URI.escape(continuation)
|
|
continuation = continuation.bytes
|
|
continuation.unshift(continuation.size.to_u8)
|
|
|
|
continuation.unshift(ucid.size.to_u8)
|
|
continuation = ucid.bytes + continuation
|
|
continuation.unshift(0x12.to_u8, ucid.size.to_u8)
|
|
continuation.unshift(0xe2_u8, 0xa9_u8, 0x85_u8, 0xb2_u8, 2_u8, continuation.size.to_u8)
|
|
|
|
slice = continuation.to_unsafe.to_slice(continuation.size)
|
|
continuation = Base64.urlsafe_encode(slice)
|
|
continuation = URI.escape(continuation)
|
|
|
|
url = "/browse_ajax?action_continuation=1&continuation=#{continuation}"
|
|
|
|
return url
|
|
end
|
|
|
|
def produce_videos_url(ucid, page = 1)
|
|
page = "#{page}"
|
|
|
|
meta = "\x12\x06videos \x00\x30\x02\x38\x01\x60\x01\x6a\x00\x7a"
|
|
meta += page.size.to_u8.unsafe_chr
|
|
meta += page
|
|
meta += "\xb8\x01\x00"
|
|
|
|
meta = Base64.urlsafe_encode(meta)
|
|
meta = URI.escape(meta)
|
|
|
|
continuation = "\x12"
|
|
continuation += ucid.size.to_u8.unsafe_chr
|
|
continuation += ucid
|
|
continuation += "\x1a"
|
|
continuation += meta.size.to_u8.unsafe_chr
|
|
continuation += meta
|
|
|
|
continuation = continuation.size.to_u8.unsafe_chr + continuation
|
|
continuation = "\xe2\xa9\x85\xb2\x02" + continuation
|
|
|
|
continuation = Base64.urlsafe_encode(continuation)
|
|
continuation = URI.escape(continuation)
|
|
|
|
url = "/browse_ajax?continuation=#{continuation}"
|
|
|
|
return url
|
|
end
|
|
|
|
def read_var_int(bytes)
|
|
numRead = 0
|
|
result = 0
|
|
|
|
read = bytes[numRead]
|
|
|
|
if bytes.size == 1
|
|
result = bytes[0].to_i32
|
|
else
|
|
while ((read & 0b10000000) != 0)
|
|
read = bytes[numRead].to_u64
|
|
value = (read & 0b01111111)
|
|
result |= (value << (7 * numRead))
|
|
|
|
numRead += 1
|
|
if numRead > 5
|
|
raise "VarInt is too big"
|
|
end
|
|
end
|
|
end
|
|
|
|
return result
|
|
end
|
|
|
|
def write_var_int(value : Int)
|
|
bytes = [] of UInt8
|
|
value = value.to_u32
|
|
|
|
if value == 0
|
|
bytes = [0_u8]
|
|
else
|
|
while value != 0
|
|
temp = (value & 0b01111111).to_u8
|
|
value = value >> 7
|
|
|
|
if value != 0
|
|
temp |= 0b10000000
|
|
end
|
|
|
|
bytes << temp
|
|
end
|
|
end
|
|
|
|
return bytes
|
|
end
|
|
|
|
def generate_captcha(key)
|
|
minute = Random::Secure.rand(12)
|
|
minute_angle = minute * 30
|
|
minute = minute * 5
|
|
|
|
hour = Random::Secure.rand(12)
|
|
hour_angle = hour * 30 + minute_angle.to_f / 12
|
|
if hour == 0
|
|
hour = 12
|
|
end
|
|
|
|
clock_svg = <<-END_SVG
|
|
<svg viewBox="0 0 100 100" width="200px">
|
|
<circle cx="50" cy="50" r="45" fill="#eee" stroke="black" stroke-width="2"></circle>
|
|
|
|
<text x="69" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 1</text>
|
|
<text x="82.909" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 2</text>
|
|
<text x="88" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 3</text>
|
|
<text x="82.909" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 4</text>
|
|
<text x="69" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 5</text>
|
|
<text x="50" y="91" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 6</text>
|
|
<text x="31" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 7</text>
|
|
<text x="17.091" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 8</text>
|
|
<text x="12" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 9</text>
|
|
<text x="17.091" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">10</text>
|
|
<text x="31" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">11</text>
|
|
<text x="50" y="15" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">12</text>
|
|
|
|
<circle cx="50" cy="50" r="3" fill="black"></circle>
|
|
<line id="minute" transform="rotate(#{minute_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="16" fill="black" stroke="black" stroke-width="2"></line>
|
|
<line id="hour" transform="rotate(#{hour_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="24" fill="black" stroke="black" stroke-width="2"></line>
|
|
</svg>
|
|
END_SVG
|
|
|
|
challenge = ""
|
|
convert = Process.run(%(convert -density 1200 -resize 400x400 -background none svg:- png:-), shell: true,
|
|
input: IO::Memory.new(clock_svg), output: Process::Redirect::Pipe) do |proc|
|
|
challenge = proc.output.gets_to_end
|
|
challenge = Base64.strict_encode(challenge)
|
|
challenge = "data:image/png;base64,#{challenge}"
|
|
end
|
|
|
|
answer = "#{hour}:#{minute.to_s.rjust(2, '0')}"
|
|
token = OpenSSL::HMAC.digest(:sha256, key, answer)
|
|
token = Base64.encode(token)
|
|
|
|
return {challenge: challenge, token: token}
|
|
end
|
|
|
|
def itag_to_metadata(itag : String)
|
|
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
|
|
formats = {"5" => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
|
|
"6" => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
|
|
"13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
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|
"17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
|
|
"18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
|
|
"22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
|
|
"34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
|
|
"36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
|
|
"37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
|
|
"38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
|
|
"43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
|
|
"44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
|
|
"45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
|
|
"46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
|
|
"59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
|
|
# 3D videos
|
|
"82" => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"83" => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"84" => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
|
|
"85" => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
|
|
"100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
|
|
"101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
|
|
"102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
|
|
|
|
# Apple HTTP Live Streaming
|
|
"91" => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
|
|
"92" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
|
|
"93" => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"94" => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
|
|
"95" => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
|
|
"96" => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
|
|
"132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
|
|
"151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
|
|
|
|
# DASH mp4 video
|
|
"133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
|
|
"134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
|
|
"135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
|
|
"136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
|
|
"137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
|
|
"138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https=>//github.com/rg3/youtube-dl/issues/4559)
|
|
"160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
|
|
"212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
|
|
"264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
|
|
"298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
|
|
"299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
|
|
"266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
|
|
|
|
# Dash mp4 audio
|
|
"139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
|
|
"140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
|
|
"141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
|
|
"256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
|
|
"258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
|
|
"325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
|
|
"328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
|
|
|
|
# Dash webm
|
|
"167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
|
|
"278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
|
|
"242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
|
|
# itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
|
|
"272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
|
|
"303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
|
|
"308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
|
|
"313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
|
|
"315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
|
|
|
|
# Dash webm audio
|
|
"171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
|
|
"172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
|
|
|
|
# Dash webm audio with opus inside
|
|
"249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
|
|
"250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
|
|
"251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
|
|
}
|
|
|
|
return formats[itag]
|
|
end
|