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https://gitea.invidious.io/iv-org/invidious-copy-2022-04-11.git
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Merge pull request #1911 from SamantazFox/fix-long-playlists
Fix long playlists (100+ videos)
This commit is contained in:
TheFrenchGhosty
GitHub
commit
c481ca924b
6 changed files with 119 additions and 81 deletions
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@ -47,19 +47,13 @@ describe "Helper" do
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end
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end
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describe "#produce_playlist_url" do
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it "correctly produces url for requesting index `x` of a playlist" do
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produce_playlist_url("UUCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIqEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoMZWdaUVZEcERRVUU9&gl=US&hl=en")
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describe "#produce_playlist_continuation" do
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it "correctly produces ctoken for requesting index `x` of a playlist" do
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produce_playlist_continuation("UUCla9fZca4I7KagBtgRGnOw", 100).should eq("4qmFsgJNEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoUQ0FGNkJsQlVPa05IVVElM0QlM0SaAhhVVUNsYTlmWmNhNEk3S2FnQnRnUkduT3c%3D")
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produce_playlist_url("UCCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIqEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoMZWdaUVZEcERRVUU9&gl=US&hl=en")
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produce_playlist_continuation("UCCla9fZca4I7KagBtgRGnOw", 200).should eq("4qmFsgJLEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoSQ0FKNkIxQlVPa05OWjBJJTNEmgIYVVVDbGE5ZlpjYTRJN0thZ0J0Z1JHbk93")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 0).should eq("/browse_ajax?continuation=4qmFsgI0EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDGVnWlFWRHBEUVVFPQ%3D%3D&gl=US&hl=en")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 10000).should eq("/browse_ajax?continuation=4qmFsgI0EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDGVnZFFWRHBEU2tKUA%3D%3D&gl=US&hl=en")
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produce_playlist_url("PL55713C70BA91BD6E", 0).should eq("/browse_ajax?continuation=4qmFsgIkEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoMZWdaUVZEcERRVUU9&gl=US&hl=en")
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produce_playlist_url("PL55713C70BA91BD6E", 10000).should eq("/browse_ajax?continuation=4qmFsgIkEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoMZWdkUVZEcERTa0pQ&gl=US&hl=en")
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produce_playlist_continuation("PL55713C70BA91BD6E", 100).should eq("4qmFsgJBEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoUQ0FGNkJsQlVPa05IVVElM0QlM0SaAhJQTDU1NzEzQzcwQkE5MUJENkU%3D")
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end
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end
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@ -229,18 +229,18 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
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page = 1
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LOGGER.trace("fetch_channel: #{ucid} : Downloading channel videos page")
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response = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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response_body = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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videos = [] of SearchVideo
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begin
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initial_data = JSON.parse(response.body)
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initial_data = JSON.parse(response_body)
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raise InfoException.new("Could not extract channel JSON") if !initial_data
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LOGGER.trace("fetch_channel: #{ucid} : Extracting videos from channel videos page initial_data")
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videos = extract_videos(initial_data.as_h, author, ucid)
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rescue ex
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if response.body.includes?("To continue with your YouTube experience, please fill out the form below.") ||
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response.body.includes?("https://www.google.com/sorry/index")
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if response_body.includes?("To continue with your YouTube experience, please fill out the form below.") ||
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response_body.includes?("https://www.google.com/sorry/index")
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raise InfoException.new("Could not extract channel info. Instance is likely blocked.")
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end
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raise ex
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@ -304,8 +304,8 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
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ids = [] of String
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loop do
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response = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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initial_data = JSON.parse(response.body)
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response_body = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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initial_data = JSON.parse(response_body)
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raise InfoException.new("Could not extract channel JSON") if !initial_data
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videos = extract_videos(initial_data.as_h, author, ucid)
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@ -447,6 +447,7 @@ def produce_channel_videos_continuation(ucid, page = 1, auto_generated = nil, so
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return continuation
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end
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# Used in bypass_captcha_job.cr
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def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "newest", v2 = false)
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continuation = produce_channel_videos_continuation(ucid, page, auto_generated, sort_by, v2)
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return "/browse_ajax?continuation=#{continuation}&gl=US&hl=en"
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@ -937,35 +938,19 @@ def get_about_info(ucid, locale)
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})
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end
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def get_channel_videos_response(ucid, page = 1, auto_generated = nil, sort_by = "newest", youtubei_browse = true)
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if youtubei_browse
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continuation = produce_channel_videos_continuation(ucid, page, auto_generated: auto_generated, sort_by: sort_by, v2: true)
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data = {
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"context": {
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"client": {
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"clientName": "WEB",
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"clientVersion": "2.20201021.03.00",
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},
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},
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"continuation": continuation,
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}.to_json
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return YT_POOL.client &.post(
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"/youtubei/v1/browse?key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8",
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headers: HTTP::Headers{"content-type" => "application/json"},
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body: data
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)
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else
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url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated, sort_by: sort_by, v2: true)
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return YT_POOL.client &.get(url)
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end
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def get_channel_videos_response(ucid, page = 1, auto_generated = nil, sort_by = "newest")
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continuation = produce_channel_videos_continuation(ucid, page,
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auto_generated: auto_generated, sort_by: sort_by, v2: true)
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return request_youtube_api_browse(continuation)
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end
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def get_60_videos(ucid, author, page, auto_generated, sort_by = "newest")
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videos = [] of SearchVideo
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2.times do |i|
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response = get_channel_videos_response(ucid, page * 2 + (i - 1), auto_generated: auto_generated, sort_by: sort_by)
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initial_data = JSON.parse(response.body)
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response_json = get_channel_videos_response(ucid, page * 2 + (i - 1), auto_generated: auto_generated, sort_by: sort_by)
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initial_data = JSON.parse(response_json)
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break if !initial_data
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videos.concat extract_videos(initial_data.as_h, author, ucid)
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end
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@ -974,8 +959,8 @@ def get_60_videos(ucid, author, page, auto_generated, sort_by = "newest")
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end
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def get_latest_videos(ucid)
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response = get_channel_videos_response(ucid)
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initial_data = JSON.parse(response.body)
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response_json = get_channel_videos_response(ucid)
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initial_data = JSON.parse(response_json)
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return [] of SearchVideo if !initial_data
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author = initial_data["metadata"]?.try &.["channelMetadataRenderer"]?.try &.["title"]?.try &.as_s
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items = extract_videos(initial_data.as_h, author, ucid)
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31
src/invidious/helpers/youtube_api.cr
Normal file
31
src/invidious/helpers/youtube_api.cr
Normal file
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@ -0,0 +1,31 @@
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#
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# This file contains youtube API wrappers
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#
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# Hard-coded constants required by the API
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HARDCODED_API_KEY = "AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8"
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HARDCODED_CLIENT_VERS = "2.20210318.08.00"
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def request_youtube_api_browse(continuation)
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# JSON Request data, required by the API
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data = {
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"context": {
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"client": {
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"hl": "en",
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"gl": "US",
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"clientName": "WEB",
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"clientVersion": HARDCODED_CLIENT_VERS,
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},
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},
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"continuation": continuation,
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}
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# Send the POST request and return result
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response = YT_POOL.client &.post(
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"/youtubei/v1/browse?key=#{HARDCODED_API_KEY}",
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headers: HTTP::Headers{"content-type" => "application/json"},
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body: data.to_json
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)
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return response.body
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end
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@ -307,23 +307,32 @@ def subscribe_playlist(db, user, playlist)
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return playlist
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end
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def produce_playlist_url(id, index)
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def produce_playlist_continuation(id, index)
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if id.starts_with? "UC"
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id = "UU" + id.lchop("UC")
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end
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plid = "VL" + id
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# Emulate a "request counter" increment, to make perfectly valid
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# ctokens, even if at the time of writing, it's ignored by youtube.
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request_count = (index / 100).to_i64 || 1_i64
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data = {"1:varint" => index.to_i64}
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.try { |i| Protodec::Any.cast_json(i) }
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.try { |i| Protodec::Any.from_json(i) }
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.try { |i| Base64.urlsafe_encode(i, padding: false) }
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data_wrapper = {"1:varint" => request_count, "15:string" => "PT:#{data}"}
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.try { |i| Protodec::Any.cast_json(i) }
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.try { |i| Protodec::Any.from_json(i) }
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.try { |i| Base64.urlsafe_encode(i) }
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.try { |i| URI.encode_www_form(i) }
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object = {
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"80226972:embedded" => {
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"2:string" => plid,
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"3:base64" => {
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"15:string" => "PT:#{data}",
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},
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"3:string" => data_wrapper,
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"35:string" => id,
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},
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}
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@ -332,7 +341,7 @@ def produce_playlist_url(id, index)
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.try { |i| Base64.urlsafe_encode(i) }
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.try { |i| URI.encode_www_form(i) }
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return "/browse_ajax?continuation=#{continuation}&gl=US&hl=en"
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return continuation
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end
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def get_playlist(db, plid, locale, refresh = true, force_refresh = false)
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@ -427,47 +436,59 @@ def fetch_playlist(plid, locale)
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end
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def get_playlist_videos(db, playlist, offset, locale = nil, continuation = nil)
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if playlist.is_a? InvidiousPlaylist
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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)
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else
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fetch_playlist_videos(playlist.id, playlist.video_count, offset, locale, continuation)
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end
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end
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def fetch_playlist_videos(plid, video_count, offset = 0, locale = nil, continuation = nil)
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if continuation
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response = YT_POOL.client &.get("/watch?v=#{continuation}&list=#{plid}&gl=US&hl=en")
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initial_data = extract_initial_data(response.body)
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offset = initial_data["currentVideoEndpoint"]?.try &.["watchEndpoint"]?.try &.["index"]?.try &.as_i64 || offset
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end
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if video_count > 100
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url = produce_playlist_url(plid, offset)
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response = YT_POOL.client &.get(url)
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initial_data = JSON.parse(response.body).as_a.find(&.as_h.["response"]?).try &.as_h
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elsif offset > 100
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# Show empy playlist if requested page is out of range
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if offset >= playlist.video_count
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return [] of PlaylistVideo
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else # Extract first page of videos
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response = YT_POOL.client &.get("/playlist?list=#{plid}&gl=US&hl=en")
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end
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if playlist.is_a? InvidiousPlaylist
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db.query_all("SELECT * FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 100 OFFSET $3",
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playlist.id, playlist.index, offset, as: PlaylistVideo)
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else
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if offset >= 100
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# Normalize offset to match youtube's behavior (100 videos chunck per request)
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offset = (offset / 100).to_i64 * 100_i64
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ctoken = produce_playlist_continuation(playlist.id, offset)
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initial_data = JSON.parse(request_youtube_api_browse(ctoken)).as_h
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else
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response = YT_POOL.client &.get("/playlist?list=#{playlist.id}&gl=US&hl=en")
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initial_data = extract_initial_data(response.body)
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end
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return [] of PlaylistVideo if !initial_data
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videos = extract_playlist_videos(initial_data)
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until videos.empty? || videos[0].index == offset
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videos.shift
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if initial_data
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return extract_playlist_videos(initial_data)
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else
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return [] of PlaylistVideo
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end
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end
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return videos
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end
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def extract_playlist_videos(initial_data : Hash(String, JSON::Any))
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videos = [] of PlaylistVideo
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(initial_data["contents"]?.try &.["twoColumnBrowseResultsRenderer"]["tabs"].as_a.select(&.["tabRenderer"]["selected"]?.try &.as_bool)[0]["tabRenderer"]["content"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]["contents"][0]["playlistVideoListRenderer"]["contents"].as_a ||
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initial_data["response"]?.try &.["continuationContents"]["playlistVideoListContinuation"]["contents"].as_a).try &.each do |item|
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if initial_data["contents"]?
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tabs = initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"]
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tabs_renderer = tabs.as_a.select(&.["tabRenderer"]["selected"]?.try &.as_bool)[0]["tabRenderer"]
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# Watch out the two versions, with and without "s"
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if tabs_renderer["contents"]? || tabs_renderer["content"]?
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# Initial playlist data
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tabs_contents = tabs_renderer.["contents"]? || tabs_renderer.["content"]
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list_renderer = tabs_contents.["sectionListRenderer"]["contents"][0]
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item_renderer = list_renderer.["itemSectionRenderer"]["contents"][0]
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contents = item_renderer.["playlistVideoListRenderer"]["contents"].as_a
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else
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# Continuation data
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contents = initial_data["onResponseReceivedActions"][0]?
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.try &.["appendContinuationItemsAction"]["continuationItems"].as_a
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end
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else
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contents = initial_data["response"]?.try &.["continuationContents"]["playlistVideoListContinuation"]["contents"].as_a
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end
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contents.try &.each do |item|
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if i = item["playlistVideoRenderer"]?
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video_id = i["navigationEndpoint"]["watchEndpoint"]["videoId"].as_s
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plid = i["navigationEndpoint"]["watchEndpoint"]["playlistId"].as_s
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@ -433,6 +433,13 @@ class Invidious::Routes::Playlists < Invidious::Routes::BaseRoute
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return error_template(500, ex)
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end
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page_count = (playlist.video_count / 100).to_i
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page_count = 1 if page_count == 0
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if page > page_count
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return env.redirect "/playlist?list=#{plid}&page=#{page_count}"
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end
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if playlist.privacy == PlaylistPrivacy::Private && playlist.author != user.try &.email
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return error_template(403, "This playlist is private.")
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end
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@ -440,7 +447,7 @@ class Invidious::Routes::Playlists < Invidious::Routes::BaseRoute
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begin
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videos = get_playlist_videos(PG_DB, playlist, offset: (page - 1) * 100, locale: locale)
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rescue ex
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videos = [] of PlaylistVideo
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return error_template(500, "Error encountered while retrieving playlist videos.<br>#{ex.message}")
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end
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if playlist.author == user.try &.email
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@ -103,7 +103,7 @@
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</div>
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<div class="pure-u-1 pure-u-lg-3-5"></div>
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<div class="pure-u-1 pure-u-lg-1-5" style="text-align:right">
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<% if videos.size == 100 %>
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<% if page_count != 1 && page < page_count %>
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<a href="/playlist?list=<%= playlist.id %>&page=<%= page + 1 %>">
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<%= translate(locale, "Next page") %>
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</a>
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