Channels: Add function to generate the new ctoken objects

This commit is contained in:
Samantaz Fox 2024-11-07 22:54:21 +01:00
parent c243d08afb
commit cbc546f032
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GPG Key ID: F42821059186176E
1 changed files with 103 additions and 104 deletions

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@ -1,95 +1,3 @@
def produce_channel_content_continuation(ucid, content_type, page = 1, auto_generated = nil, sort_by = "newest", v2 = false)
object_inner_2 = {
"2:0:embedded" => {
"1:0:varint" => 0_i64,
},
"5:varint" => 50_i64,
"6:varint" => 1_i64,
"7:varint" => (page * 30).to_i64,
"9:varint" => 1_i64,
"10:varint" => 0_i64,
}
object_inner_2_encoded = object_inner_2
.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) }
content_type_numerical =
case content_type
when "videos" then 15
when "livestreams" then 14
else 15 # Fallback to "videos"
end
sort_type_numerical =
case content_type
when "videos" then 3
when "livestreams" then 5
else 3 # Fallback to "videos"
end
if content_type == "livestreams"
sort_by_numerical =
case sort_by
when "newest" then 12_i64
when "popular" then 14_i64
when "oldest" then 13_i64
else 12_i64 # Fallback to "newest"
end
else
sort_by_numerical =
case sort_by
when "newest" then 1_i64
when "popular" then 2_i64
when "oldest" then 4_i64
else 1_i64 # Fallback to "newest"
end
end
object_inner_1 = {
"110:embedded" => {
"3:embedded" => {
"#{content_type_numerical}:embedded" => {
"1:embedded" => {
"1:string" => object_inner_2_encoded,
},
"2:embedded" => {
"1:string" => "00000000-0000-0000-0000-000000000000",
},
"#{sort_type_numerical}:varint" => sort_by_numerical,
},
},
},
}
object_inner_1_encoded = object_inner_1
.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" => ucid,
"3:string" => object_inner_1_encoded,
"35:string" => "browse-feed#{ucid}videos102",
},
}
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 make_initial_content_ctoken(ucid, content_type, sort_by) : String
return produce_channel_content_continuation(ucid, content_type, sort_by: sort_by)
end
module Invidious::Channel::Tabs
extend self
@ -118,7 +26,7 @@ module Invidious::Channel::Tabs
end
def get_videos(author : String, ucid : String, *, continuation : String? = nil, sort_by = "newest")
continuation ||= make_initial_content_ctoken(ucid, "videos", sort_by)
continuation ||= make_videos_ctoken(ucid, sort_by)
initial_data = YoutubeAPI.browse(continuation: continuation)
return extract_items(initial_data, author, ucid)
@ -147,14 +55,10 @@ module Invidious::Channel::Tabs
# Shorts
# -------------------
def get_shorts(channel : AboutChannel, continuation : String? = nil)
if continuation.nil?
# EgZzaG9ydHPyBgUKA5oBAA%3D%3D is the protobuf object to load "shorts"
# TODO: try to extract the continuation tokens that allows other sorting options
initial_data = YoutubeAPI.browse(channel.ucid, params: "EgZzaG9ydHPyBgUKA5oBAA%3D%3D")
else
def get_shorts(channel : AboutChannel, *, continuation : String? = nil, sort_by = "newest")
continuation ||= make_shorts_ctoken(channel.ucid, sort_by)
initial_data = YoutubeAPI.browse(continuation: continuation)
end
return extract_items(initial_data, channel.author, channel.ucid)
end
@ -162,9 +66,8 @@ module Invidious::Channel::Tabs
# Livestreams
# -------------------
def get_livestreams(channel : AboutChannel, continuation : String? = nil, sort_by = "newest")
continuation ||= make_initial_content_ctoken(channel.ucid, "livestreams", sort_by)
def get_livestreams(channel : AboutChannel, *, continuation : String? = nil, sort_by = "newest")
continuation ||= make_livestreams_ctoken(channel.ucid, sort_by)
initial_data = YoutubeAPI.browse(continuation: continuation)
return extract_items(initial_data, channel.author, channel.ucid)
@ -188,4 +91,100 @@ module Invidious::Channel::Tabs
return items, next_continuation
end
# -------------------
# C-tokens
# -------------------
private def sort_options_videos_short(sort_by : String)
case sort_by
when "newest" then return 4_i64
when "popular" then return 2_i64
when "oldest" then return 5_i64
else return 4_i64 # Fallback to "newest"
end
end
# Generate the initial "continuation token" to get the first page of the
# "videos" tab. The following page requires the ctoken provided in that
# first page, and so on.
private def make_videos_ctoken(ucid : String, sort_by = "newest")
object = {
"15:embedded" => {
"2:string" => "\n$00000000-0000-0000-0000-000000000000",
"4:varint" => sort_options_videos_short(sort_by),
},
}
return channel_ctoken_wrap(ucid, object)
end
# Generate the initial "continuation token" to get the first page of the
# "shorts" tab. The following page requires the ctoken provided in that
# first page, and so on.
private def make_shorts_ctoken(ucid : String, sort_by = "newest")
object = {
"10:embedded" => {
"2:embedded" => {
"1:string" => "00000000-0000-0000-0000-000000000000",
},
"4:varint" => sort_options_videos_short(sort_by),
},
}
return channel_ctoken_wrap(ucid, object)
end
# Generate the initial "continuation token" to get the first page of the
# "livestreams" tab. The following page requires the ctoken provided in that
# first page, and so on.
private def make_livestreams_ctoken(ucid : String, sort_by = "newest")
sort_by_numerical =
case sort_by
when "newest" then 12_i64
when "popular" then 14_i64
when "oldest" then 13_i64
else 12_i64 # Fallback to "newest"
end
object = {
"14:embedded" => {
"2:embedded" => {
"1:string" => "00000000-0000-0000-0000-000000000000",
},
"5:varint" => sort_by_numerical,
},
}
return channel_ctoken_wrap(ucid, object)
end
# The protobuf structure common between videos/shorts/livestreams
private def channel_ctoken_wrap(ucid : String, object)
object_inner = {
"110:embedded" => {
"3:embedded" => object,
},
}
object_inner_encoded = object_inner
.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" => ucid,
"3:string" => object_inner_encoded,
},
}
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
end