invidious-experimenting/src/invidious/videos.cr
2018-09-21 10:11:04 -05:00

681 lines
26 KiB
Crystal

CAPTION_LANGUAGES = {
"",
"English",
"English (auto-generated)",
"Afrikaans",
"Albanian",
"Amharic",
"Arabic",
"Armenian",
"Azerbaijani",
"Bangla",
"Basque",
"Belarusian",
"Bosnian",
"Bulgarian",
"Burmese",
"Catalan",
"Cebuano",
"Chinese (Simplified)",
"Chinese (Traditional)",
"Corsican",
"Croatian",
"Czech",
"Danish",
"Dutch",
"Esperanto",
"Estonian",
"Filipino",
"Finnish",
"French",
"Galician",
"Georgian",
"German",
"Greek",
"Gujarati",
"Haitian Creole",
"Hausa",
"Hawaiian",
"Hebrew",
"Hindi",
"Hmong",
"Hungarian",
"Icelandic",
"Igbo",
"Indonesian",
"Irish",
"Italian",
"Japanese",
"Javanese",
"Kannada",
"Kazakh",
"Khmer",
"Korean",
"Kurdish",
"Kyrgyz",
"Lao",
"Latin",
"Latvian",
"Lithuanian",
"Luxembourgish",
"Macedonian",
"Malagasy",
"Malay",
"Malayalam",
"Maltese",
"Maori",
"Marathi",
"Mongolian",
"Nepali",
"Norwegian",
"Nyanja",
"Pashto",
"Persian",
"Polish",
"Portuguese",
"Punjabi",
"Romanian",
"Russian",
"Samoan",
"Scottish Gaelic",
"Serbian",
"Shona",
"Sindhi",
"Sinhala",
"Slovak",
"Slovenian",
"Somali",
"Southern Sotho",
"Spanish",
"Spanish (Latin America)",
"Sundanese",
"Swahili",
"Swedish",
"Tajik",
"Tamil",
"Telugu",
"Thai",
"Turkish",
"Ukrainian",
"Urdu",
"Uzbek",
"Vietnamese",
"Welsh",
"Western Frisian",
"Xhosa",
"Yiddish",
"Yoruba",
"Zulu",
}
REGIONS = {"AD", "AE", "AF", "AG", "AI", "AL", "AM", "AO", "AQ", "AR", "AS", "AT", "AU", "AW", "AX", "AZ", "BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", "BJ", "BL", "BM", "BN", "BO", "BQ", "BR", "BS", "BT", "BV", "BW", "BY", "BZ", "CA", "CC", "CD", "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CR", "CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DJ", "DK", "DM", "DO", "DZ", "EC", "EE", "EG", "EH", "ER", "ES", "ET", "FI", "FJ", "FK", "FM", "FO", "FR", "GA", "GB", "GD", "GE", "GF", "GG", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS", "GT", "GU", "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS", "IT", "JE", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN", "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK", "LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME", "MF", "MG", "MH", "MK", "ML", "MM", "MN", "MO", "MP", "MQ", "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", "NR", "NU", "NZ", "OM", "PA", "PE", "PF", "PG", "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", "PW", "PY", "QA", "RE", "RO", "RS", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI", "SJ", "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV", "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", "TK", "TL", "TM", "TN", "TO", "TR", "TT", "TV", "TW", "TZ", "UA", "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI", "VN", "VU", "WF", "WS", "YE", "YT", "ZA", "ZM", "ZW"}
BYPASS_REGIONS = {"CA", "DE", "FR", "JP", "RU", "UK"}
VIDEO_THUMBNAILS = {
{name: "maxres", host: "invidio.us", url: "maxres", height: 720, width: 1280},
{name: "maxresdefault", host: "i.ytimg.com", url: "maxresdefault", height: 720, width: 1280},
{name: "sddefault", host: "i.ytimg.com", url: "sddefault", height: 480, width: 640},
{name: "high", host: "i.ytimg.com", url: "hqdefault", height: 360, width: 480},
{name: "medium", host: "i.ytimg.com", url: "mqdefault", height: 180, width: 320},
{name: "default", host: "i.ytimg.com", url: "default", height: 90, width: 120},
{name: "start", host: "i.ytimg.com", url: "1", height: 90, width: 120},
{name: "middle", host: "i.ytimg.com", url: "2", height: 90, width: 120},
{name: "end", host: "i.ytimg.com", url: "3", height: 90, width: 120},
}
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
VIDEO_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"},
"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},
"330" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"331" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"332" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"333" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"334" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"335" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"336" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"337" => {"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},
}
class Video
property player_json : JSON::Any?
module HTTPParamConverter
def self.from_rs(rs)
HTTP::Params.parse(rs.read(String))
end
end
def fmt_stream(decrypt_function)
streams = [] of HTTP::Params
self.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
streams << HTTP::Params.parse(string)
end
end
streams.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") }
streams = streams.uniq { |s| s["label"] }
if streams[0]? && streams[0]["s"]?
streams.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
return streams
end
def adaptive_fmts(decrypt_function)
adaptive_fmts = [] of HTTP::Params
if self.info.has_key?("adaptive_fmts")
self.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
elsif self.info.has_key?("dashmpd")
client = make_client(YT_URL)
response = client.get(self.info["dashmpd"])
document = XML.parse_html(response.body)
document.xpath_nodes(%q(//adaptationset)).each do |adaptation_set|
mime_type = adaptation_set["mimetype"]
document.xpath_nodes(%q(.//representation)).each do |representation|
codecs = representation["codecs"]
itag = representation["id"]
bandwidth = representation["bandwidth"]
url = representation.xpath_node(%q(.//baseurl)).not_nil!.content
clen = url.match(/clen\/(?<clen>\d+)/).try &.["clen"]
clen ||= "0"
lmt = url.match(/lmt\/(?<lmt>\d+)/).try &.["lmt"]
lmt ||= "#{((Time.now + 1.hour).epoch_f.to_f64 * 1000000).to_i64}"
segment_list = representation.xpath_node(%q(.//segmentlist)).not_nil!
init = segment_list.xpath_node(%q(.//initialization))
# TODO: Replace with sane defaults when byteranges are absent
if init && !init["sourceurl"].starts_with? "sq"
init = init["sourceurl"].lchop("range/")
index = segment_list.xpath_node(%q(.//segmenturl)).not_nil!["media"]
index = index.lchop("range/")
index = "#{init.split("-")[1].to_i + 1}-#{index.split("-")[0].to_i}"
else
init = "0-0"
index = "1-1"
end
params = {
"type" => ["#{mime_type}; codecs=\"#{codecs}\""],
"url" => [url],
"projection_type" => ["1"],
"index" => [index],
"init" => [init],
"xtags" => [] of String,
"lmt" => [lmt],
"clen" => [clen],
"bitrate" => [bandwidth],
"itag" => [itag],
}
if mime_type == "video/mp4"
width = representation["width"]?
height = representation["height"]?
fps = representation["framerate"]?
metadata = itag_to_metadata?(itag)
if metadata
width ||= metadata["width"]?
height ||= metadata["height"]?
fps ||= metadata["fps"]?
end
if width && height
params["size"] = ["#{width}x#{height}"]
end
if width
params["quality_label"] = ["#{height}p"]
end
end
adaptive_fmts << HTTP::Params.new(params)
end
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
return adaptive_fmts
end
def video_streams(adaptive_fmts)
video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video") ? s : nil }
return video_streams
end
def audio_streams(adaptive_fmts)
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
audio_streams.each do |stream|
stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
end
return audio_streams
end
def player_response
if !@player_json
@player_json = JSON.parse(@info["player_response"])
end
return @player_json.not_nil!
end
def captions
captions = [] of Caption
if player_response["captions"]?
caption_list = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
caption_list ||= [] of JSON::Any
caption_list.each do |caption|
caption = Caption.from_json(caption.to_json)
caption.name.simpleText = caption.name.simpleText.split(" - ")[0]
captions << caption
end
end
return captions
end
def short_description
description = self.description.gsub("<br>", " ")
description = description.gsub("<br/>", " ")
description = XML.parse_html(description).content[0..200].gsub('"', "&quot;").gsub("\n", " ").strip(" ")
if description.empty?
description = " "
end
return description
end
add_mapping({
id: String,
info: {
type: HTTP::Params,
default: HTTP::Params.parse(""),
converter: Video::HTTPParamConverter,
},
updated: Time,
title: String,
views: Int64,
likes: Int32,
dislikes: Int32,
wilson_score: Float64,
published: Time,
description: String,
language: String?,
author: String,
ucid: String,
allowed_regions: Array(String),
is_family_friendly: Bool,
genre: String,
genre_url: String,
license: {
type: String,
default: "",
},
})
end
class Caption
JSON.mapping(
name: CaptionName,
baseUrl: String,
languageCode: String
)
end
class CaptionName
JSON.mapping(
simpleText: String,
)
end
def get_video(id, db, refresh = true)
if db.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", id, as: Bool)
video = db.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
# If record was last updated over 10 minutes ago, refresh (expire param in response lasts for 6 hours)
if refresh && Time.now - video.updated > 10.minutes
begin
video = fetch_video(id)
video_array = video.to_a
args = arg_array(video_array[1..-1], 2)
db.exec("UPDATE videos SET (info,updated,title,views,likes,dislikes,wilson_score,\
published,description,language,author,ucid, allowed_regions, is_family_friendly,\
genre, genre_url, license)\
= (#{args}) WHERE id = $1", video_array)
rescue ex
db.exec("DELETE FROM videos * WHERE id = $1", id)
raise ex
end
end
else
video = fetch_video(id)
video_array = video.to_a
args = arg_array(video_array)
db.exec("INSERT INTO videos VALUES (#{args}) ON CONFLICT (id) DO NOTHING", video_array)
end
return video
end
def fetch_video(id)
html_channel = Channel(XML::Node).new
info_channel = Channel(HTTP::Params).new
spawn do
client = make_client(YT_URL)
html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&disable_polymer=1")
html = XML.parse_html(html.body)
html_channel.send(html)
end
spawn do
client = make_client(YT_URL)
info = client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
info = HTTP::Params.parse(info.body)
if info["reason"]?
info = client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
info = HTTP::Params.parse(info.body)
end
info_channel.send(info)
end
html = html_channel.receive
info = info_channel.receive
if info["reason"]? && info["reason"].includes? "your country"
bypass_channel = Channel({HTTP::Params | Nil, XML::Node | Nil}).new
BYPASS_REGIONS.each do |country_code|
spawn do
begin
proxies = get_proxies(country_code)
# Try not to overload single proxy
proxy = proxies[0, 5].sample(1)[0]
proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port])
client = HTTPClient.new(URI.parse("https://www.youtube.com"))
client.read_timeout = 10.seconds
client.connect_timeout = 10.seconds
client.set_proxy(proxy)
proxy_info = client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
proxy_info = HTTP::Params.parse(proxy_info.body)
if !proxy_info["reason"]?
proxy_html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1")
proxy_html = XML.parse_html(proxy_html.body)
bypass_channel.send({proxy_info, proxy_html})
else
bypass_channel.send({nil, nil})
end
rescue ex
bypass_channel.send({nil, nil})
end
end
end
BYPASS_REGIONS.size.times do
response = bypass_channel.receive
if response[0] || response[1]
info = response[0].not_nil!
html = response[1].not_nil!
end
end
end
if info["reason"]?
raise info["reason"]
end
title = info["title"]
views = info["view_count"].to_i64
author = info["author"]
ucid = info["ucid"]
likes = html.xpath_node(%q(//button[@title="I like this"]/span))
likes = likes.try &.content.delete(",").try &.to_i
likes ||= 0
dislikes = html.xpath_node(%q(//button[@title="I dislike this"]/span))
dislikes = dislikes.try &.content.delete(",").try &.to_i
dislikes ||= 0
description = html.xpath_node(%q(//p[@id="eow-description"]))
description = description ? description.to_xml : ""
wilson_score = ci_lower_bound(likes, likes + dislikes)
published = html.xpath_node(%q(//meta[@itemprop="datePublished"])).not_nil!["content"]
published = Time.parse(published, "%Y-%m-%d", Time::Location.local)
allowed_regions = html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",")
is_family_friendly = html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True"
genre = html.xpath_node(%q(//meta[@itemprop="genre"])).not_nil!["content"]
genre_url = html.xpath_node(%(//a[text()="#{genre}"])).not_nil!["href"]
license = html.xpath_node(%q(//h4[contains(text(),"License")]/parent::*/ul/li))
if license
license = license.content
else
license ||= ""
end
video = Video.new(id, info, Time.now, title, views, likes, dislikes, wilson_score, published, description,
nil, author, ucid, allowed_regions, is_family_friendly, genre, genre_url, license)
return video
end
def itag_to_metadata?(itag : String)
return VIDEO_FORMATS[itag]?
end
def process_video_params(query, preferences)
autoplay = query["autoplay"]?.try &.to_i?
preferred_captions = query["subtitles"]?.try &.split(",").map { |a| a.downcase }
quality = query["quality"]?
speed = query["speed"]?.try &.to_f?
video_loop = query["loop"]?.try &.to_i?
volume = query["volume"]?.try &.to_i?
if preferences
autoplay ||= preferences.autoplay.to_unsafe
preferred_captions ||= preferences.captions
quality ||= preferences.quality
speed ||= preferences.speed
video_loop ||= preferences.video_loop.to_unsafe
volume ||= preferences.volume
end
autoplay ||= 0
preferred_captions ||= [] of String
quality ||= "hd720"
speed ||= 1
video_loop ||= 0
volume ||= 100
autoplay = autoplay == 1
video_loop = video_loop == 1
if query["t"]?
video_start = decode_time(query["t"])
end
video_start ||= 0
if query["time_continue"]?
video_start = decode_time(query["time_continue"])
end
video_start ||= 0
if query["start"]?
video_start = decode_time(query["start"])
end
if query["end"]?
video_end = decode_time(query["end"])
end
video_end ||= -1
if query["listen"]? && (query["listen"] == "true" || query["listen"] == "1")
listen = true
end
listen ||= false
raw = query["raw"]?.try &.to_i?
raw ||= 0
raw = raw == 1
controls = query["controls"]?.try &.to_i?
controls ||= 1
controls = controls == 1
params = {
autoplay: autoplay,
controls: controls,
listen: listen,
preferred_captions: preferred_captions,
quality: quality,
raw: raw,
speed: speed,
video_end: video_end,
video_loop: video_loop,
video_start: video_start,
volume: volume,
}
return params
end
def generate_thumbnails(json, id)
json.array do
VIDEO_THUMBNAILS.each do |thumbnail|
json.object do
json.field "quality", thumbnail[:name]
json.field "url", "https://#{thumbnail[:host]}/vi/#{id}/#{thumbnail["url"]}.jpg"
json.field "width", thumbnail[:width]
json.field "height", thumbnail[:height]
end
end
end
end