mirror of
https://gitea.invidious.io/iv-org/invidious-copy-2022-04-11.git
synced 2024-08-15 00:43:26 +00:00
326 lines
9.7 KiB
Crystal
326 lines
9.7 KiB
Crystal
class InvidiousChannel
|
|
add_mapping({
|
|
id: String,
|
|
author: String,
|
|
updated: Time,
|
|
})
|
|
end
|
|
|
|
class ChannelVideo
|
|
add_mapping({
|
|
id: String,
|
|
title: String,
|
|
published: Time,
|
|
updated: Time,
|
|
ucid: String,
|
|
author: String,
|
|
length_seconds: {
|
|
type: Int32,
|
|
default: 0,
|
|
},
|
|
})
|
|
end
|
|
|
|
def get_batch_channels(channels, db, refresh = false, pull_all_videos = true, max_threads = 10)
|
|
active_threads = 0
|
|
active_channel = Channel(String | Nil).new
|
|
|
|
final = [] of String
|
|
channels.map do |ucid|
|
|
if active_threads >= max_threads
|
|
if response = active_channel.receive
|
|
active_threads -= 1
|
|
final << response
|
|
end
|
|
end
|
|
|
|
active_threads += 1
|
|
spawn do
|
|
begin
|
|
get_channel(ucid, db, refresh, pull_all_videos)
|
|
active_channel.send(ucid)
|
|
rescue ex
|
|
active_channel.send(nil)
|
|
end
|
|
end
|
|
end
|
|
|
|
return final
|
|
end
|
|
|
|
def get_channel(id, db, refresh = true, pull_all_videos = true)
|
|
client = make_client(YT_URL)
|
|
|
|
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: 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 author = $2, updated = $3", channel_array)
|
|
end
|
|
else
|
|
channel = fetch_channel(id, client, db, pull_all_videos: pull_all_videos)
|
|
channel_array = channel.to_a
|
|
args = arg_array(channel_array)
|
|
|
|
db.exec("INSERT INTO channels VALUES (#{args})", channel_array)
|
|
end
|
|
|
|
return channel
|
|
end
|
|
|
|
def fetch_channel(ucid, client, db, pull_all_videos = true, locale = nil)
|
|
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 translate(locale, "Deleted or invalid channel")
|
|
end
|
|
author = author.content
|
|
|
|
# Auto-generated channels
|
|
# https://support.google.com/youtube/answer/2579942
|
|
if author.ends_with?(" - Topic") ||
|
|
{"Popular on YouTube", "Music", "Sports", "Gaming"}.includes? author
|
|
auto_generated = true
|
|
end
|
|
|
|
if !pull_all_videos
|
|
url = produce_channel_videos_url(ucid, 1, auto_generated: auto_generated)
|
|
response = client.get(url)
|
|
json = JSON.parse(response.body)
|
|
|
|
if json["content_html"]? && !json["content_html"].as_s.empty?
|
|
document = XML.parse_html(json["content_html"].as_s)
|
|
nodeset = document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")]))
|
|
|
|
if auto_generated
|
|
videos = extract_videos(nodeset)
|
|
else
|
|
videos = extract_videos(nodeset, ucid)
|
|
videos.each { |video| video.ucid = ucid }
|
|
videos.each { |video| video.author = author }
|
|
end
|
|
end
|
|
|
|
videos ||= [] of ChannelVideo
|
|
|
|
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
|
|
|
|
length_seconds = videos.select { |video| video.id == video_id }[0]?.try &.length_seconds
|
|
length_seconds ||= 0
|
|
|
|
video = ChannelVideo.new(video_id, title, published, Time.now, ucid, author, length_seconds)
|
|
|
|
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, length_seconds = $7", video_array)
|
|
end
|
|
else
|
|
page = 1
|
|
ids = [] of String
|
|
|
|
loop do
|
|
url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated)
|
|
response = client.get(url)
|
|
json = JSON.parse(response.body)
|
|
|
|
if json["content_html"]? && !json["content_html"].as_s.empty?
|
|
document = XML.parse_html(json["content_html"].as_s)
|
|
nodeset = document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")]))
|
|
else
|
|
break
|
|
end
|
|
|
|
if auto_generated
|
|
videos = extract_videos(nodeset)
|
|
else
|
|
videos = extract_videos(nodeset, ucid)
|
|
videos.each { |video| video.ucid = ucid }
|
|
videos.each { |video| video.author = author }
|
|
end
|
|
|
|
count = nodeset.size
|
|
videos = videos.map { |video| ChannelVideo.new(video.id, video.title, video.published, Time.now, video.ucid, video.author, video.length_seconds) }
|
|
|
|
videos.each do |video|
|
|
ids << video.id
|
|
|
|
# FIXME: Red videos don't provide published date, so the best we can do is ignore them
|
|
if Time.now - video.published > 1.minute
|
|
db.exec("UPDATE users SET notifications = notifications || $1 \
|
|
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, video.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, length_seconds = $7", video_array)
|
|
end
|
|
end
|
|
|
|
if count < 30
|
|
break
|
|
end
|
|
|
|
page += 1
|
|
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 ('{#{ids.map { |id| %("#{id}") }.join(",")}}') AND ucid = $1", ucid)
|
|
end
|
|
|
|
channel = InvidiousChannel.new(ucid, author, Time.now)
|
|
|
|
return channel
|
|
end
|
|
|
|
def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "newest")
|
|
if auto_generated
|
|
seed = Time.unix(1525757349)
|
|
|
|
until seed >= Time.now
|
|
seed += 1.month
|
|
end
|
|
timestamp = seed - (page - 1).months
|
|
|
|
page = "#{timestamp.to_unix}"
|
|
switch = "\x36"
|
|
else
|
|
page = "#{page}"
|
|
switch = "\x00"
|
|
end
|
|
|
|
meta = "\x12\x06videos"
|
|
meta += "\x30\x02"
|
|
meta += "\x38\x01"
|
|
meta += "\x60\x01"
|
|
meta += "\x6a\x00"
|
|
meta += "\xb8\x01\x00"
|
|
meta += "\x20#{switch}"
|
|
meta += "\x7a"
|
|
meta += page.size.to_u8.unsafe_chr
|
|
meta += page
|
|
|
|
case sort_by
|
|
when "newest"
|
|
# Empty tags can be omitted
|
|
# meta += "\x18\x00"
|
|
when "popular"
|
|
meta += "\x18\x01"
|
|
when "oldest"
|
|
meta += "\x18\x02"
|
|
end
|
|
|
|
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}&gl=US&hl=en"
|
|
|
|
return url
|
|
end
|
|
|
|
def get_about_info(ucid, locale)
|
|
client = make_client(YT_URL)
|
|
|
|
about = client.get("/channel/#{ucid}/about?disable_polymer=1&gl=US&hl=en")
|
|
if about.status_code == 404
|
|
about = client.get("/user/#{ucid}/about?disable_polymer=1&gl=US&hl=en")
|
|
end
|
|
|
|
about = XML.parse_html(about.body)
|
|
|
|
if about.xpath_node(%q(//div[contains(@class, "channel-empty-message")]))
|
|
error_message = translate(locale, "This channel does not exist.")
|
|
|
|
raise error_message
|
|
end
|
|
|
|
if about.xpath_node(%q(//span[contains(@class,"qualified-channel-title-text")]/a)).try &.content.empty?
|
|
error_message = about.xpath_node(%q(//div[@class="yt-alert-content"])).try &.content.strip
|
|
error_message ||= translate(locale, "Could not get channel info.")
|
|
|
|
raise error_message
|
|
end
|
|
|
|
sub_count = about.xpath_node(%q(//span[contains(text(), "subscribers")]))
|
|
if sub_count
|
|
sub_count = sub_count.content.delete(", subscribers").to_i?
|
|
end
|
|
sub_count ||= 0
|
|
|
|
author = about.xpath_node(%q(//span[contains(@class,"qualified-channel-title-text")]/a)).not_nil!.content
|
|
ucid = about.xpath_node(%q(//link[@rel="canonical"])).not_nil!["href"].split("/")[-1]
|
|
|
|
# Auto-generated channels
|
|
# https://support.google.com/youtube/answer/2579942
|
|
auto_generated = false
|
|
if about.xpath_node(%q(//ul[@class="about-custom-links"]/li/a[@title="Auto-generated by YouTube"])) ||
|
|
about.xpath_node(%q(//span[@class="qualified-channel-title-badge"]/span[@title="Auto-generated by YouTube"]))
|
|
auto_generated = true
|
|
end
|
|
|
|
return {author, ucid, auto_generated, sub_count}
|
|
end
|
|
|
|
def get_60_videos(ucid, page, auto_generated, sort_by = "newest")
|
|
count = 0
|
|
videos = [] of SearchVideo
|
|
|
|
client = make_client(YT_URL)
|
|
|
|
2.times do |i|
|
|
url = produce_channel_videos_url(ucid, page * 2 + (i - 1), auto_generated: auto_generated, sort_by: sort_by)
|
|
response = client.get(url)
|
|
json = JSON.parse(response.body)
|
|
|
|
if json["content_html"]? && !json["content_html"].as_s.empty?
|
|
document = XML.parse_html(json["content_html"].as_s)
|
|
nodeset = document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")]))
|
|
|
|
if !json["load_more_widget_html"]?.try &.as_s.empty?
|
|
count += 30
|
|
end
|
|
|
|
if auto_generated
|
|
videos += extract_videos(nodeset)
|
|
else
|
|
videos += extract_videos(nodeset, ucid)
|
|
end
|
|
else
|
|
break
|
|
end
|
|
end
|
|
|
|
return videos, count
|
|
end
|