Channel: Render age restricted channels (#4295)

This PR:
 * gets thumbnail and channel name from the initial request
 * gets videos, shorts and streams via autogenerated channel playlists

Test Url: /channel/UCbfnHqxXs_K3kvaH-WlNlig

Closes issue 3513
This commit is contained in:
Samantaz Fox 2024-08-24 19:43:59 +02:00
commit 9e55799269
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4 changed files with 221 additions and 119 deletions

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@ -15,7 +15,8 @@ record AboutChannel,
allowed_regions : Array(String),
tabs : Array(String),
tags : Array(String),
verified : Bool
verified : Bool,
is_age_gated : Bool
def get_about_info(ucid, locale) : AboutChannel
begin
@ -45,46 +46,102 @@ def get_about_info(ucid, locale) : AboutChannel
end
tags = [] of String
tab_names = [] of String
total_views = 0_i64
joined = Time.unix(0)
if auto_generated
author = initdata["header"]["interactiveTabbedHeaderRenderer"]["title"]["simpleText"].as_s
author_url = initdata["microformat"]["microformatDataRenderer"]["urlCanonical"].as_s
author_thumbnail = initdata["header"]["interactiveTabbedHeaderRenderer"]["boxArt"]["thumbnails"][0]["url"].as_s
# Raises a KeyError on failure.
banners = initdata["header"]["interactiveTabbedHeaderRenderer"]?.try &.["banner"]?.try &.["thumbnails"]?
banner = banners.try &.[-1]?.try &.["url"].as_s?
description_base_node = initdata["header"]["interactiveTabbedHeaderRenderer"]["description"]
# some channels have the description in a simpleText
# ex: https://www.youtube.com/channel/UCQvWX73GQygcwXOTSf_VDVg/
description_node = description_base_node.dig?("simpleText") || description_base_node
tags = initdata.dig?("header", "interactiveTabbedHeaderRenderer", "badges")
.try &.as_a.map(&.["metadataBadgeRenderer"]["label"].as_s) || [] of String
if ageGate = initdata.dig?("contents", "twoColumnBrowseResultsRenderer", "tabs", 0, "tabRenderer", "content", "sectionListRenderer", "contents", 0, "channelAgeGateRenderer")
description_node = nil
author = ageGate["channelTitle"].as_s
ucid = initdata.dig("responseContext", "serviceTrackingParams", 0, "params", 0, "value").as_s
author_url = "https://www.youtube.com/channel/#{ucid}"
author_thumbnail = ageGate.dig("avatar", "thumbnails", 0, "url").as_s
banner = nil
is_family_friendly = false
is_age_gated = true
tab_names = ["videos", "shorts", "streams"]
auto_generated = false
else
author = initdata["metadata"]["channelMetadataRenderer"]["title"].as_s
author_url = initdata["metadata"]["channelMetadataRenderer"]["channelUrl"].as_s
author_thumbnail = initdata["metadata"]["channelMetadataRenderer"]["avatar"]["thumbnails"][0]["url"].as_s
author_verified = has_verified_badge?(initdata.dig?("header", "c4TabbedHeaderRenderer", "badges"))
if auto_generated
author = initdata["header"]["interactiveTabbedHeaderRenderer"]["title"]["simpleText"].as_s
author_url = initdata["microformat"]["microformatDataRenderer"]["urlCanonical"].as_s
author_thumbnail = initdata["header"]["interactiveTabbedHeaderRenderer"]["boxArt"]["thumbnails"][0]["url"].as_s
ucid = initdata["metadata"]["channelMetadataRenderer"]["externalId"].as_s
# Raises a KeyError on failure.
banners = initdata["header"]["interactiveTabbedHeaderRenderer"]?.try &.["banner"]?.try &.["thumbnails"]?
banner = banners.try &.[-1]?.try &.["url"].as_s?
# Raises a KeyError on failure.
banners = initdata["header"]["c4TabbedHeaderRenderer"]?.try &.["banner"]?.try &.["thumbnails"]?
banners ||= initdata.dig?("header", "pageHeaderRenderer", "content", "pageHeaderViewModel", "banner", "imageBannerViewModel", "image", "sources")
banner = banners.try &.[-1]?.try &.["url"].as_s?
description_base_node = initdata["header"]["interactiveTabbedHeaderRenderer"]["description"]
# some channels have the description in a simpleText
# ex: https://www.youtube.com/channel/UCQvWX73GQygcwXOTSf_VDVg/
description_node = description_base_node.dig?("simpleText") || description_base_node
# if banner.includes? "channels/c4/default_banner"
# banner = nil
# end
tags = initdata.dig?("header", "interactiveTabbedHeaderRenderer", "badges")
.try &.as_a.map(&.["metadataBadgeRenderer"]["label"].as_s) || [] of String
else
author = initdata["metadata"]["channelMetadataRenderer"]["title"].as_s
author_url = initdata["metadata"]["channelMetadataRenderer"]["channelUrl"].as_s
author_thumbnail = initdata["metadata"]["channelMetadataRenderer"]["avatar"]["thumbnails"][0]["url"].as_s
author_verified = has_verified_badge?(initdata.dig?("header", "c4TabbedHeaderRenderer", "badges"))
description_node = initdata["metadata"]["channelMetadataRenderer"]?.try &.["description"]?
tags = initdata.dig?("microformat", "microformatDataRenderer", "tags").try &.as_a.map(&.as_s) || [] of String
ucid = initdata["metadata"]["channelMetadataRenderer"]["externalId"].as_s
# Raises a KeyError on failure.
banners = initdata["header"]["c4TabbedHeaderRenderer"]?.try &.["banner"]?.try &.["thumbnails"]?
banners ||= initdata.dig?("header", "pageHeaderRenderer", "content", "pageHeaderViewModel", "banner", "imageBannerViewModel", "image", "sources")
banner = banners.try &.[-1]?.try &.["url"].as_s?
# if banner.includes? "channels/c4/default_banner"
# banner = nil
# end
description_node = initdata["metadata"]["channelMetadataRenderer"]?.try &.["description"]?
tags = initdata.dig?("microformat", "microformatDataRenderer", "tags").try &.as_a.map(&.as_s) || [] of String
end
is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
if tabs_json = initdata["contents"]["twoColumnBrowseResultsRenderer"]["tabs"]?
# Get the name of the tabs available on this channel
tab_names = tabs_json.as_a.compact_map do |entry|
name = entry.dig?("tabRenderer", "title").try &.as_s.downcase
# This is a small fix to not add extra code on the HTML side
# I.e, the URL for the "live" tab is .../streams, so use "streams"
# everywhere for the sake of simplicity
(name == "live") ? "streams" : name
end
# Get the currently active tab ("About")
about_tab = extract_selected_tab(tabs_json)
# Try to find the about metadata section
channel_about_meta = about_tab.dig?(
"content",
"sectionListRenderer", "contents", 0,
"itemSectionRenderer", "contents", 0,
"channelAboutFullMetadataRenderer"
)
if !channel_about_meta.nil?
total_views = channel_about_meta.dig?("viewCountText", "simpleText").try &.as_s.gsub(/\D/, "").to_i64? || 0_i64
# The joined text is split to several sub strings. The reduce joins those strings before parsing the date.
joined = extract_text(channel_about_meta["joinedDateText"]?)
.try { |text| Time.parse(text, "Joined %b %-d, %Y", Time::Location.local) } || Time.unix(0)
# Normal Auto-generated channels
# https://support.google.com/youtube/answer/2579942
# For auto-generated channels, channel_about_meta only has
# ["description"]["simpleText"] and ["primaryLinks"][0]["title"]["simpleText"]
auto_generated = (
(channel_about_meta["primaryLinks"]?.try &.size) == 1 && \
extract_text(channel_about_meta.dig?("primaryLinks", 0, "title")) == "Auto-generated by YouTube" ||
channel_about_meta.dig?("links", 0, "channelExternalLinkViewModel", "title", "content").try &.as_s == "Auto-generated by YouTube"
)
end
end
end
is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
allowed_regions = initdata
.dig?("microformat", "microformatDataRenderer", "availableCountries")
.try &.as_a.map(&.as_s) || [] of String
@ -102,52 +159,6 @@ def get_about_info(ucid, locale) : AboutChannel
end
end
total_views = 0_i64
joined = Time.unix(0)
tab_names = [] of String
if tabs_json = initdata["contents"]["twoColumnBrowseResultsRenderer"]["tabs"]?
# Get the name of the tabs available on this channel
tab_names = tabs_json.as_a.compact_map do |entry|
name = entry.dig?("tabRenderer", "title").try &.as_s.downcase
# This is a small fix to not add extra code on the HTML side
# I.e, the URL for the "live" tab is .../streams, so use "streams"
# everywhere for the sake of simplicity
(name == "live") ? "streams" : name
end
# Get the currently active tab ("About")
about_tab = extract_selected_tab(tabs_json)
# Try to find the about metadata section
channel_about_meta = about_tab.dig?(
"content",
"sectionListRenderer", "contents", 0,
"itemSectionRenderer", "contents", 0,
"channelAboutFullMetadataRenderer"
)
if !channel_about_meta.nil?
total_views = channel_about_meta.dig?("viewCountText", "simpleText").try &.as_s.gsub(/\D/, "").to_i64? || 0_i64
# The joined text is split to several sub strings. The reduce joins those strings before parsing the date.
joined = extract_text(channel_about_meta["joinedDateText"]?)
.try { |text| Time.parse(text, "Joined %b %-d, %Y", Time::Location.local) } || Time.unix(0)
# Normal Auto-generated channels
# https://support.google.com/youtube/answer/2579942
# For auto-generated channels, channel_about_meta only has
# ["description"]["simpleText"] and ["primaryLinks"][0]["title"]["simpleText"]
auto_generated = (
(channel_about_meta["primaryLinks"]?.try &.size) == 1 && \
extract_text(channel_about_meta.dig?("primaryLinks", 0, "title")) == "Auto-generated by YouTube" ||
channel_about_meta.dig?("links", 0, "channelExternalLinkViewModel", "title", "content").try &.as_s == "Auto-generated by YouTube"
)
end
end
sub_count = 0
if (metadata_rows = initdata.dig?("header", "pageHeaderRenderer", "content", "pageHeaderViewModel", "metadata", "contentMetadataViewModel", "metadataRows").try &.as_a)
@ -177,6 +188,7 @@ def get_about_info(ucid, locale) : AboutChannel
tabs: tab_names,
tags: tags,
verified: author_verified || false,
is_age_gated: is_age_gated || false,
)
end

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@ -46,8 +46,14 @@ struct PlaylistVideo
XML.build { |xml| to_xml(xml) }
end
def to_json(locale : String?, json : JSON::Builder)
to_json(json)
end
def to_json(json : JSON::Builder, index : Int32? = nil)
json.object do
json.field "type", "video"
json.field "title", self.title
json.field "videoId", self.id
@ -67,6 +73,7 @@ struct PlaylistVideo
end
json.field "lengthSeconds", self.length_seconds
json.field "liveNow", self.live_now
end
end

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@ -27,10 +27,21 @@ module Invidious::Routes::API::V1::Channels
# Retrieve "sort by" setting from URL parameters
sort_by = env.params.query["sort_by"]?.try &.downcase || "newest"
begin
videos, _ = Channel::Tabs.get_videos(channel, sort_by: sort_by)
rescue ex
return error_json(500, ex)
if channel.is_age_gated
begin
playlist = get_playlist(channel.ucid.sub("UC", "UULF"))
videos = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
videos = [] of PlaylistVideo
end
next_continuation = nil
else
begin
videos, _ = Channel::Tabs.get_videos(channel, sort_by: sort_by)
rescue ex
return error_json(500, ex)
end
end
JSON.build do |json|
@ -84,6 +95,7 @@ module Invidious::Routes::API::V1::Channels
json.field "joined", channel.joined.to_unix
json.field "autoGenerated", channel.auto_generated
json.field "ageGated", channel.is_age_gated
json.field "isFamilyFriendly", channel.is_family_friendly
json.field "description", html_to_content(channel.description_html)
json.field "descriptionHtml", channel.description_html
@ -142,12 +154,23 @@ module Invidious::Routes::API::V1::Channels
sort_by = env.params.query["sort_by"]?.try &.downcase || "newest"
continuation = env.params.query["continuation"]?
begin
videos, next_continuation = Channel::Tabs.get_60_videos(
channel, continuation: continuation, sort_by: sort_by
)
rescue ex
return error_json(500, ex)
if channel.is_age_gated
begin
playlist = get_playlist(channel.ucid.sub("UC", "UULF"))
videos = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
videos = [] of PlaylistVideo
end
next_continuation = nil
else
begin
videos, next_continuation = Channel::Tabs.get_60_videos(
channel, continuation: continuation, sort_by: sort_by
)
rescue ex
return error_json(500, ex)
end
end
return JSON.build do |json|
@ -176,12 +199,23 @@ module Invidious::Routes::API::V1::Channels
# Retrieve continuation from URL parameters
continuation = env.params.query["continuation"]?
begin
videos, next_continuation = Channel::Tabs.get_shorts(
channel, continuation: continuation
)
rescue ex
return error_json(500, ex)
if channel.is_age_gated
begin
playlist = get_playlist(channel.ucid.sub("UC", "UUSH"))
videos = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
videos = [] of PlaylistVideo
end
next_continuation = nil
else
begin
videos, next_continuation = Channel::Tabs.get_shorts(
channel, continuation: continuation
)
rescue ex
return error_json(500, ex)
end
end
return JSON.build do |json|
@ -211,12 +245,23 @@ module Invidious::Routes::API::V1::Channels
sort_by = env.params.query["sort_by"]?.try &.downcase || "newest"
continuation = env.params.query["continuation"]?
begin
videos, next_continuation = Channel::Tabs.get_60_livestreams(
channel, continuation: continuation, sort_by: sort_by
)
rescue ex
return error_json(500, ex)
if channel.is_age_gated
begin
playlist = get_playlist(channel.ucid.sub("UC", "UULV"))
videos = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
videos = [] of PlaylistVideo
end
next_continuation = nil
else
begin
videos, next_continuation = Channel::Tabs.get_60_livestreams(
channel, continuation: continuation, sort_by: sort_by
)
rescue ex
return error_json(500, ex)
end
end
return JSON.build do |json|

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@ -36,12 +36,24 @@ module Invidious::Routes::Channels
items = items.select(SearchPlaylist)
items.each(&.author = "")
else
sort_options = {"newest", "oldest", "popular"}
# Fetch items and continuation token
items, next_continuation = Channel::Tabs.get_videos(
channel, continuation: continuation, sort_by: (sort_by || "newest")
)
if channel.is_age_gated
sort_by = ""
sort_options = [] of String
begin
playlist = get_playlist(channel.ucid.sub("UC", "UULF"))
items = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
items = [] of PlaylistVideo
end
next_continuation = nil
else
sort_options = {"newest", "oldest", "popular"}
items, next_continuation = Channel::Tabs.get_videos(
channel, continuation: continuation, sort_by: (sort_by || "newest")
)
end
end
selected_tab = Frontend::ChannelPage::TabsAvailable::Videos
@ -58,14 +70,27 @@ module Invidious::Routes::Channels
return env.redirect "/channel/#{channel.ucid}"
end
# TODO: support sort option for shorts
sort_by = ""
sort_options = [] of String
if channel.is_age_gated
sort_by = ""
sort_options = [] of String
begin
playlist = get_playlist(channel.ucid.sub("UC", "UUSH"))
items = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
items = [] of PlaylistVideo
end
next_continuation = nil
else
# TODO: support sort option for shorts
sort_by = ""
sort_options = [] of String
# Fetch items and continuation token
items, next_continuation = Channel::Tabs.get_shorts(
channel, continuation: continuation
)
# Fetch items and continuation token
items, next_continuation = Channel::Tabs.get_shorts(
channel, continuation: continuation
)
end
selected_tab = Frontend::ChannelPage::TabsAvailable::Shorts
templated "channel"
@ -81,13 +106,26 @@ module Invidious::Routes::Channels
return env.redirect "/channel/#{channel.ucid}"
end
sort_by = env.params.query["sort_by"]?.try &.downcase || "newest"
sort_options = {"newest", "oldest", "popular"}
if channel.is_age_gated
sort_by = ""
sort_options = [] of String
begin
playlist = get_playlist(channel.ucid.sub("UC", "UULV"))
items = get_playlist_videos(playlist, offset: 0)
rescue ex : InfoException
# playlist doesnt exist.
items = [] of PlaylistVideo
end
next_continuation = nil
else
sort_by = env.params.query["sort_by"]?.try &.downcase || "newest"
sort_options = {"newest", "oldest", "popular"}
# Fetch items and continuation token
items, next_continuation = Channel::Tabs.get_60_livestreams(
channel, continuation: continuation, sort_by: sort_by
)
# Fetch items and continuation token
items, next_continuation = Channel::Tabs.get_60_livestreams(
channel, continuation: continuation, sort_by: sort_by
)
end
selected_tab = Frontend::ChannelPage::TabsAvailable::Streams
templated "channel"