forked from midou/invidious
541 lines
16 KiB
Crystal
541 lines
16 KiB
Crystal
struct PlaylistVideo
|
|
include DB::Serializable
|
|
|
|
property title : String
|
|
property id : String
|
|
property author : String
|
|
property ucid : String
|
|
property length_seconds : Int32
|
|
property published : Time
|
|
property plid : String
|
|
property index : Int64
|
|
property live_now : Bool
|
|
|
|
def to_xml(xml : XML::Builder)
|
|
xml.element("entry") do
|
|
xml.element("id") { xml.text "yt:video:#{self.id}" }
|
|
xml.element("yt:videoId") { xml.text self.id }
|
|
xml.element("yt:channelId") { xml.text self.ucid }
|
|
xml.element("title") { xml.text self.title }
|
|
xml.element("link", rel: "alternate", href: "#{HOST_URL}/watch?v=#{self.id}")
|
|
|
|
xml.element("author") do
|
|
xml.element("name") { xml.text self.author }
|
|
xml.element("uri") { xml.text "#{HOST_URL}/channel/#{self.ucid}" }
|
|
end
|
|
|
|
xml.element("content", type: "xhtml") do
|
|
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
|
|
xml.element("a", href: "#{HOST_URL}/watch?v=#{self.id}") do
|
|
xml.element("img", src: "#{HOST_URL}/vi/#{self.id}/mqdefault.jpg")
|
|
end
|
|
end
|
|
end
|
|
|
|
xml.element("published") { xml.text self.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
|
|
|
|
xml.element("media:group") do
|
|
xml.element("media:title") { xml.text self.title }
|
|
xml.element("media:thumbnail", url: "#{HOST_URL}/vi/#{self.id}/mqdefault.jpg",
|
|
width: "320", height: "180")
|
|
end
|
|
end
|
|
end
|
|
|
|
def to_xml(_xml : Nil = nil)
|
|
XML.build { |xml| to_xml(xml) }
|
|
end
|
|
|
|
def to_json(json : JSON::Builder, index : Int32? = nil)
|
|
json.object do
|
|
json.field "title", self.title
|
|
json.field "videoId", self.id
|
|
|
|
json.field "author", self.author
|
|
json.field "authorId", self.ucid
|
|
json.field "authorUrl", "/channel/#{self.ucid}"
|
|
|
|
json.field "videoThumbnails" do
|
|
generate_thumbnails(json, self.id)
|
|
end
|
|
|
|
if index
|
|
json.field "index", index
|
|
json.field "indexId", self.index.to_u64.to_s(16).upcase
|
|
else
|
|
json.field "index", self.index
|
|
end
|
|
|
|
json.field "lengthSeconds", self.length_seconds
|
|
end
|
|
end
|
|
|
|
def to_json(_json : Nil, index : Int32? = nil)
|
|
JSON.build { |json| to_json(json, index: index) }
|
|
end
|
|
end
|
|
|
|
struct Playlist
|
|
include DB::Serializable
|
|
|
|
property title : String
|
|
property id : String
|
|
property author : String
|
|
property author_thumbnail : String
|
|
property ucid : String
|
|
property description : String
|
|
property description_html : String
|
|
property video_count : Int32
|
|
property views : Int64
|
|
property updated : Time
|
|
property thumbnail : String?
|
|
|
|
def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
|
|
json.object do
|
|
json.field "type", "playlist"
|
|
json.field "title", self.title
|
|
json.field "playlistId", self.id
|
|
json.field "playlistThumbnail", self.thumbnail
|
|
|
|
json.field "author", self.author
|
|
json.field "authorId", self.ucid
|
|
json.field "authorUrl", "/channel/#{self.ucid}"
|
|
|
|
json.field "authorThumbnails" do
|
|
json.array do
|
|
qualities = {32, 48, 76, 100, 176, 512}
|
|
|
|
qualities.each do |quality|
|
|
json.object do
|
|
json.field "url", self.author_thumbnail.not_nil!.gsub(/=\d+/, "=s#{quality}")
|
|
json.field "width", quality
|
|
json.field "height", quality
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
json.field "description", self.description
|
|
json.field "descriptionHtml", self.description_html
|
|
json.field "videoCount", self.video_count
|
|
|
|
json.field "viewCount", self.views
|
|
json.field "updated", self.updated.to_unix
|
|
json.field "isListed", self.privacy.public?
|
|
|
|
json.field "videos" do
|
|
json.array do
|
|
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
|
|
videos.each do |video|
|
|
video.to_json(json)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
|
|
if json
|
|
to_json(offset, locale, json, video_id: video_id)
|
|
else
|
|
JSON.build do |json|
|
|
to_json(offset, locale, json, video_id: video_id)
|
|
end
|
|
end
|
|
end
|
|
|
|
def privacy
|
|
PlaylistPrivacy::Public
|
|
end
|
|
end
|
|
|
|
enum PlaylistPrivacy
|
|
Public = 0
|
|
Unlisted = 1
|
|
Private = 2
|
|
end
|
|
|
|
struct InvidiousPlaylist
|
|
include DB::Serializable
|
|
|
|
property title : String
|
|
property id : String
|
|
property author : String
|
|
property description : String = ""
|
|
property video_count : Int32
|
|
property created : Time
|
|
property updated : Time
|
|
|
|
@[DB::Field(converter: InvidiousPlaylist::PlaylistPrivacyConverter)]
|
|
property privacy : PlaylistPrivacy = PlaylistPrivacy::Private
|
|
property index : Array(Int64)
|
|
|
|
@[DB::Field(ignore: true)]
|
|
property thumbnail_id : String?
|
|
|
|
module PlaylistPrivacyConverter
|
|
def self.from_rs(rs)
|
|
return PlaylistPrivacy.parse(String.new(rs.read(Slice(UInt8))))
|
|
end
|
|
end
|
|
|
|
def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
|
|
json.object do
|
|
json.field "type", "invidiousPlaylist"
|
|
json.field "title", self.title
|
|
json.field "playlistId", self.id
|
|
|
|
json.field "author", self.author
|
|
json.field "authorId", self.ucid
|
|
json.field "authorUrl", nil
|
|
json.field "authorThumbnails", [] of String
|
|
|
|
json.field "description", html_to_content(self.description_html)
|
|
json.field "descriptionHtml", self.description_html
|
|
json.field "videoCount", self.video_count
|
|
|
|
json.field "viewCount", self.views
|
|
json.field "updated", self.updated.to_unix
|
|
json.field "isListed", self.privacy.public?
|
|
|
|
json.field "videos" do
|
|
json.array do
|
|
if !offset || offset == 0
|
|
index = PG_DB.query_one?("SELECT index FROM playlist_videos WHERE plid = $1 AND id = $2 LIMIT 1", self.id, video_id, as: Int64)
|
|
offset = self.index.index(index) || 0
|
|
end
|
|
|
|
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
|
|
videos.each_with_index do |video, index|
|
|
video.to_json(json, offset + index)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
|
|
if json
|
|
to_json(offset, locale, json, video_id: video_id)
|
|
else
|
|
JSON.build do |json|
|
|
to_json(offset, locale, json, video_id: video_id)
|
|
end
|
|
end
|
|
end
|
|
|
|
def thumbnail
|
|
@thumbnail_id ||= PG_DB.query_one?("SELECT id FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 1", self.id, self.index, as: String) || "-----------"
|
|
"/vi/#{@thumbnail_id}/mqdefault.jpg"
|
|
end
|
|
|
|
def author_thumbnail
|
|
nil
|
|
end
|
|
|
|
def ucid
|
|
nil
|
|
end
|
|
|
|
def views
|
|
0_i64
|
|
end
|
|
|
|
def description_html
|
|
HTML.escape(self.description)
|
|
end
|
|
end
|
|
|
|
def create_playlist(db, title, privacy, user)
|
|
plid = "IVPL#{Random::Secure.urlsafe_base64(24)[0, 31]}"
|
|
|
|
playlist = InvidiousPlaylist.new({
|
|
title: title.byte_slice(0, 150),
|
|
id: plid,
|
|
author: user.email,
|
|
description: "", # Max 5000 characters
|
|
video_count: 0,
|
|
created: Time.utc,
|
|
updated: Time.utc,
|
|
privacy: privacy,
|
|
index: [] of Int64,
|
|
})
|
|
|
|
playlist_array = playlist.to_a
|
|
args = arg_array(playlist_array)
|
|
|
|
db.exec("INSERT INTO playlists VALUES (#{args})", args: playlist_array)
|
|
|
|
return playlist
|
|
end
|
|
|
|
def subscribe_playlist(db, user, playlist)
|
|
playlist = InvidiousPlaylist.new({
|
|
title: playlist.title.byte_slice(0, 150),
|
|
id: playlist.id,
|
|
author: user.email,
|
|
description: "", # Max 5000 characters
|
|
video_count: playlist.video_count,
|
|
created: Time.utc,
|
|
updated: playlist.updated,
|
|
privacy: PlaylistPrivacy::Private,
|
|
index: [] of Int64,
|
|
})
|
|
|
|
playlist_array = playlist.to_a
|
|
args = arg_array(playlist_array)
|
|
|
|
db.exec("INSERT INTO playlists VALUES (#{args})", args: playlist_array)
|
|
|
|
return playlist
|
|
end
|
|
|
|
def produce_playlist_continuation(id, index)
|
|
if id.starts_with? "UC"
|
|
id = "UU" + id.lchop("UC")
|
|
end
|
|
plid = "VL" + id
|
|
|
|
# Emulate a "request counter" increment, to make perfectly valid
|
|
# ctokens, even if at the time of writing, it's ignored by youtube.
|
|
request_count = (index / 100).to_i64 || 1_i64
|
|
|
|
data = {"1:varint" => index.to_i64}
|
|
.try { |i| Protodec::Any.cast_json(i) }
|
|
.try { |i| Protodec::Any.from_json(i) }
|
|
.try { |i| Base64.urlsafe_encode(i, padding: false) }
|
|
|
|
data_wrapper = {"1:varint" => request_count, "15:string" => "PT:#{data}"}
|
|
.try { |i| Protodec::Any.cast_json(i) }
|
|
.try { |i| Protodec::Any.from_json(i) }
|
|
.try { |i| Base64.urlsafe_encode(i) }
|
|
.try { |i| URI.encode_www_form(i) }
|
|
|
|
object = {
|
|
"80226972:embedded" => {
|
|
"2:string" => plid,
|
|
"3:string" => data_wrapper,
|
|
"35:string" => id,
|
|
},
|
|
}
|
|
|
|
continuation = object.try { |i| Protodec::Any.cast_json(i) }
|
|
.try { |i| Protodec::Any.from_json(i) }
|
|
.try { |i| Base64.urlsafe_encode(i) }
|
|
.try { |i| URI.encode_www_form(i) }
|
|
|
|
return continuation
|
|
end
|
|
|
|
def get_playlist(db, plid, locale, refresh = true, force_refresh = false)
|
|
if plid.starts_with? "IV"
|
|
if playlist = db.query_one?("SELECT * FROM playlists WHERE id = $1", plid, as: InvidiousPlaylist)
|
|
return playlist
|
|
else
|
|
raise InfoException.new("Playlist does not exist.")
|
|
end
|
|
else
|
|
return fetch_playlist(plid, locale)
|
|
end
|
|
end
|
|
|
|
def fetch_playlist(plid, locale)
|
|
if plid.starts_with? "UC"
|
|
plid = "UU#{plid.lchop("UC")}"
|
|
end
|
|
|
|
initial_data = YoutubeAPI.browse("VL" + plid, params: "")
|
|
|
|
playlist_sidebar_renderer = initial_data["sidebar"]?.try &.["playlistSidebarRenderer"]?.try &.["items"]?
|
|
raise InfoException.new("Could not extract playlistSidebarRenderer.") if !playlist_sidebar_renderer
|
|
|
|
playlist_info = playlist_sidebar_renderer[0]["playlistSidebarPrimaryInfoRenderer"]?
|
|
raise InfoException.new("Could not extract playlist info") if !playlist_info
|
|
|
|
title = playlist_info["title"]?.try &.["runs"][0]?.try &.["text"]?.try &.as_s || ""
|
|
|
|
desc_item = playlist_info["description"]?
|
|
|
|
description_txt = desc_item.try &.["runs"]?.try &.as_a
|
|
.map(&.["text"].as_s).join("") || desc_item.try &.["simpleText"]?.try &.as_s || ""
|
|
|
|
description_html = desc_item.try &.["runs"]?.try &.as_a
|
|
.try { |run| content_to_comment_html(run).try &.to_s } || "<p></p>"
|
|
|
|
thumbnail = playlist_info["thumbnailRenderer"]?.try &.["playlistVideoThumbnailRenderer"]?
|
|
.try &.["thumbnail"]["thumbnails"][0]["url"]?.try &.as_s
|
|
|
|
views = 0_i64
|
|
updated = Time.utc
|
|
video_count = 0
|
|
playlist_info["stats"]?.try &.as_a.each do |stat|
|
|
text = stat["runs"]?.try &.as_a.map(&.["text"].as_s).join("") || stat["simpleText"]?.try &.as_s
|
|
next if !text
|
|
|
|
if text.includes? "video"
|
|
video_count = text.gsub(/\D/, "").to_i? || 0
|
|
elsif text.includes? "view"
|
|
views = text.gsub(/\D/, "").to_i64? || 0_i64
|
|
else
|
|
updated = decode_date(text.lchop("Last updated on ").lchop("Updated "))
|
|
end
|
|
end
|
|
|
|
if playlist_sidebar_renderer.size < 2
|
|
author = ""
|
|
author_thumbnail = ""
|
|
ucid = ""
|
|
else
|
|
author_info = playlist_sidebar_renderer[1]["playlistSidebarSecondaryInfoRenderer"]?.try &.["videoOwner"]["videoOwnerRenderer"]?
|
|
raise InfoException.new("Could not extract author info") if !author_info
|
|
|
|
author = author_info["title"]["runs"][0]["text"]?.try &.as_s || ""
|
|
author_thumbnail = author_info["thumbnail"]["thumbnails"][0]["url"]?.try &.as_s || ""
|
|
ucid = author_info["title"]["runs"][0]["navigationEndpoint"]["browseEndpoint"]["browseId"]?.try &.as_s || ""
|
|
end
|
|
|
|
return Playlist.new({
|
|
title: title,
|
|
id: plid,
|
|
author: author,
|
|
author_thumbnail: author_thumbnail,
|
|
ucid: ucid,
|
|
description: description_txt,
|
|
description_html: description_html,
|
|
video_count: video_count,
|
|
views: views,
|
|
updated: updated,
|
|
thumbnail: thumbnail,
|
|
})
|
|
end
|
|
|
|
def get_playlist_videos(db, playlist, offset, locale = nil, video_id = nil)
|
|
# Show empy playlist if requested page is out of range
|
|
# (e.g, when a new playlist has been created, offset will be negative)
|
|
if offset >= playlist.video_count || offset < 0
|
|
return [] of PlaylistVideo
|
|
end
|
|
|
|
if playlist.is_a? InvidiousPlaylist
|
|
db.query_all("SELECT * FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 100 OFFSET $3",
|
|
playlist.id, playlist.index, offset, as: PlaylistVideo)
|
|
else
|
|
if video_id
|
|
initial_data = YoutubeAPI.next({
|
|
"videoId" => video_id,
|
|
"playlistId" => playlist.id,
|
|
})
|
|
offset = initial_data.dig?("contents", "twoColumnWatchNextResults", "playlist", "playlist", "currentIndex").try &.as_i || offset
|
|
end
|
|
|
|
videos = [] of PlaylistVideo
|
|
|
|
until videos.size >= 200 || videos.size == playlist.video_count || offset >= playlist.video_count
|
|
# 100 videos per request
|
|
ctoken = produce_playlist_continuation(playlist.id, offset)
|
|
initial_data = YoutubeAPI.browse(ctoken)
|
|
videos += extract_playlist_videos(initial_data)
|
|
|
|
offset += 100
|
|
end
|
|
|
|
return videos
|
|
end
|
|
end
|
|
|
|
def extract_playlist_videos(initial_data : Hash(String, JSON::Any))
|
|
videos = [] of PlaylistVideo
|
|
|
|
if initial_data["contents"]?
|
|
tabs = initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"]
|
|
tabs_renderer = tabs.as_a.select(&.["tabRenderer"]["selected"]?.try &.as_bool)[0]["tabRenderer"]
|
|
|
|
# Watch out the two versions, with and without "s"
|
|
if tabs_renderer["contents"]? || tabs_renderer["content"]?
|
|
# Initial playlist data
|
|
tabs_contents = tabs_renderer.["contents"]? || tabs_renderer.["content"]
|
|
|
|
list_renderer = tabs_contents.["sectionListRenderer"]["contents"][0]
|
|
item_renderer = list_renderer.["itemSectionRenderer"]["contents"][0]
|
|
contents = item_renderer.["playlistVideoListRenderer"]["contents"].as_a
|
|
else
|
|
# Continuation data
|
|
contents = initial_data["onResponseReceivedActions"][0]?
|
|
.try &.["appendContinuationItemsAction"]["continuationItems"].as_a
|
|
end
|
|
else
|
|
contents = initial_data["response"]?.try &.["continuationContents"]["playlistVideoListContinuation"]["contents"].as_a
|
|
end
|
|
|
|
contents.try &.each do |item|
|
|
if i = item["playlistVideoRenderer"]?
|
|
video_id = i["navigationEndpoint"]["watchEndpoint"]["videoId"].as_s
|
|
plid = i["navigationEndpoint"]["watchEndpoint"]["playlistId"].as_s
|
|
index = i["navigationEndpoint"]["watchEndpoint"]["index"].as_i64
|
|
|
|
thumbnail = i["thumbnail"]["thumbnails"][0]["url"].as_s
|
|
title = i["title"].try { |t| t["simpleText"]? || t["runs"]?.try &.[0]["text"]? }.try &.as_s || ""
|
|
author = i["shortBylineText"]?.try &.["runs"][0]["text"].as_s || ""
|
|
ucid = i["shortBylineText"]?.try &.["runs"][0]["navigationEndpoint"]["browseEndpoint"]["browseId"].as_s || ""
|
|
length_seconds = i["lengthSeconds"]?.try &.as_s.to_i
|
|
live = false
|
|
|
|
if !length_seconds
|
|
live = true
|
|
length_seconds = 0
|
|
end
|
|
|
|
videos << PlaylistVideo.new({
|
|
title: title,
|
|
id: video_id,
|
|
author: author,
|
|
ucid: ucid,
|
|
length_seconds: length_seconds,
|
|
published: Time.utc,
|
|
plid: plid,
|
|
live_now: live,
|
|
index: index,
|
|
})
|
|
end
|
|
end
|
|
|
|
return videos
|
|
end
|
|
|
|
def template_playlist(playlist)
|
|
html = <<-END_HTML
|
|
<h3>
|
|
<a href="/playlist?list=#{playlist["playlistId"]}">
|
|
#{playlist["title"]}
|
|
</a>
|
|
</h3>
|
|
<div class="pure-menu pure-menu-scrollable playlist-restricted">
|
|
<ol class="pure-menu-list">
|
|
END_HTML
|
|
|
|
playlist["videos"].as_a.each do |video|
|
|
html += <<-END_HTML
|
|
<li class="pure-menu-item" id="#{video["videoId"]}">
|
|
<a href="/watch?v=#{video["videoId"]}&list=#{playlist["playlistId"]}&index=#{video["index"]}">
|
|
<div class="thumbnail">
|
|
<img loading="lazy" class="thumbnail" src="/vi/#{video["videoId"]}/mqdefault.jpg">
|
|
<p class="length">#{recode_length_seconds(video["lengthSeconds"].as_i)}</p>
|
|
</div>
|
|
<p style="width:100%">#{video["title"]}</p>
|
|
<p>
|
|
<b style="width:100%">#{video["author"]}</b>
|
|
</p>
|
|
</a>
|
|
</li>
|
|
END_HTML
|
|
end
|
|
|
|
html += <<-END_HTML
|
|
</ol>
|
|
</div>
|
|
<hr>
|
|
END_HTML
|
|
|
|
html
|
|
end
|