diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/invidious.cr | 6 | ||||
| -rw-r--r-- | src/invidious/channels.cr | 65 |
2 files changed, 31 insertions, 40 deletions
diff --git a/src/invidious.cr b/src/invidious.cr index 8d579f92..88b9ad85 100644 --- a/src/invidious.cr +++ b/src/invidious.cr @@ -1699,7 +1699,7 @@ get "/channel/:ucid" do |env| sort_options = {"last", "oldest", "newest"} sort_by ||= "last" - items, continuation = fetch_channel_playlists(channel.ucid, channel.author, channel.auto_generated, continuation, sort_by) + items, continuation = fetch_channel_playlists(channel.ucid, channel.author, continuation, sort_by) items.uniq! do |item| if item.responds_to?(:title) item.title @@ -1766,7 +1766,7 @@ get "/channel/:ucid/playlists" do |env| next env.redirect "/channel/#{channel.ucid}" end - items, continuation = fetch_channel_playlists(channel.ucid, channel.author, channel.auto_generated, continuation, sort_by) + items, continuation = fetch_channel_playlists(channel.ucid, channel.author, continuation, sort_by) items = items.select { |item| item.is_a?(SearchPlaylist) }.map { |item| item.as(SearchPlaylist) } items.each { |item| item.author = "" } @@ -2467,7 +2467,7 @@ end next error_json(500, ex) end - items, continuation = fetch_channel_playlists(channel.ucid, channel.author, channel.auto_generated, continuation, sort_by) + items, continuation = fetch_channel_playlists(channel.ucid, channel.author, continuation, sort_by) JSON.build do |json| json.object do diff --git a/src/invidious/channels.cr b/src/invidious/channels.cr index 9a129e1e..47dfcbd6 100644 --- a/src/invidious/channels.cr +++ b/src/invidious/channels.cr @@ -355,14 +355,22 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil) return channel end -def fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by) - if continuation || auto_generated - url = produce_channel_playlists_url(ucid, continuation, sort_by, auto_generated) - - response = YT_POOL.client &.get(url) +def fetch_channel_playlists(ucid, author, continuation, sort_by) + if continuation + response_json = request_youtube_api_browse(continuation) + result = JSON.parse(response_json) + continuationItems = result["onResponseReceivedActions"]? + .try &.[0]["appendContinuationItemsAction"]["continuationItems"] + + return [] of SearchItem, nil if !continuationItems + + items = [] of SearchItem + continuationItems.as_a.select(&.as_h.has_key?("gridPlaylistRenderer")).each { |item| + extract_item(item, author, ucid).try { |t| items << t } + } - continuation = response.body.match(/"continuation":"(?<continuation>[^"]+)"/).try &.["continuation"]? - initial_data = JSON.parse(response.body).as_a.find(&.["response"]?).try &.as_h + continuation = continuationItems.as_a.last["continuationItemRenderer"]? + .try &.["continuationEndpoint"]["continuationCommand"]["token"].as_s else url = "/channel/#{ucid}/playlists?flow=list&view=1" @@ -377,13 +385,12 @@ def fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by) end response = YT_POOL.client &.get(url) - continuation = response.body.match(/"continuation":"(?<continuation>[^"]+)"/).try &.["continuation"]? initial_data = extract_initial_data(response.body) - end + return [] of SearchItem, nil if !initial_data - return [] of SearchItem, nil if !initial_data - items = extract_items(initial_data) - continuation = extract_channel_playlists_cursor(continuation, auto_generated) if continuation + items = extract_items(initial_data, author, ucid) + continuation = response.body.match(/"token":"(?<continuation>[^"]+)"/).try &.["continuation"]? + end return items, continuation end @@ -453,6 +460,15 @@ def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = " return "/browse_ajax?continuation=#{continuation}&gl=US&hl=en" end +# ## NOTE: DEPRECATED +# Reason -> Unstable +# The Protobuf object must be provided with an id of the last playlist from the current "page" +# in order to fetch the next one accurately +# (if the id isn't included, entries shift around erratically between pages, +# leading to repetitions and skip overs) +# +# Since it's impossible to produce the appropriate Protobuf without an id being provided by the user, +# it's better to stick to continuation tokens provided by the first request and onward def produce_channel_playlists_url(ucid, cursor, sort = "newest", auto_generated = false) object = { "80226972:embedded" => { @@ -499,31 +515,6 @@ def produce_channel_playlists_url(ucid, cursor, sort = "newest", auto_generated return "/browse_ajax?continuation=#{continuation}&gl=US&hl=en" end -def extract_channel_playlists_cursor(cursor, auto_generated) - cursor = URI.decode_www_form(cursor) - .try { |i| Base64.decode(i) } - .try { |i| IO::Memory.new(i) } - .try { |i| Protodec::Any.parse(i) } - .try { |i| i["80226972:0:embedded"]["3:1:base64"].as_h.find { |k, v| k.starts_with? "15:" } } - .try &.[1] - - if cursor.try &.as_h? - cursor = cursor.try { |i| Protodec::Any.cast_json(i.as_h) } - .try { |i| Protodec::Any.from_json(i) } - .try { |i| Base64.urlsafe_encode(i) } - .try { |i| URI.encode_www_form(i) } || "" - else - cursor = cursor.try &.as_s || "" - end - - if !auto_generated - cursor = URI.decode_www_form(cursor) - .try { |i| Base64.decode_string(i) } - end - - return cursor -end - # TODO: Add "sort_by" def fetch_channel_community(ucid, continuation, locale, format, thin_mode) response = YT_POOL.client &.get("/channel/#{ucid}/community?gl=US&hl=en") |