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Add a function to build youtube search filters

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(it aims at replacing produce_search_params)
pull/2956/head
Samantaz Fox 3 years ago
parent 80417281c4
commit c01a29fe76
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GPG Key ID: F42821059186176E
3 changed files with 152 additions and 14 deletions
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14
spec/invidious/helpers_spec.cr
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@ -29,20 +29,6 @@ Spectator.describe "Helper" do
end
end
describe "#produce_search_params" do
it "correctly produces token for searching with specified filters" do
expect(produce_search_params).to eq("CAASAhABSAA%3D")
expect(produce_search_params(sort: "upload_date", content_type: "video")).to eq("CAISAhABSAA%3D")
expect(produce_search_params(content_type: "playlist")).to eq("CAASAhADSAA%3D")
expect(produce_search_params(sort: "date", content_type: "video", features: ["hd", "cc", "purchased", "hdr"])).to eq("CAISCxABIAEwAUgByAEBSAA%3D")
expect(produce_search_params(content_type: "channel")).to eq("CAASAhACSAA%3D")
end
end
describe "#produce_comment_continuation" do
it "correctly produces a continuation token for comments" do
expect(produce_comment_continuation("_cE8xSu6swE", "ADSJ_i2qvJeFtL0htmS5_K5Ctj3eGFVBMWL9Wd42o3kmUL6_mAzdLp85-liQZL0mYr_16BhaggUqX652Sv9JqV6VXinShSP-ZT6rL4NolPBaPXVtJsO5_rA_qE3GubAuLFw9uzIIXU2-HnpXbdgPLWTFavfX206hqWmmpHwUOrmxQV_OX6tYkM3ux3rPAKCDrT8eWL7MU3bLiNcnbgkW8o0h8KYLL_8BPa8LcHbTv8pAoNkjerlX1x7K4pqxaXPoyz89qNlnh6rRx6AXgAzzoHH1dmcyQ8CIBeOHg-m4i8ZxdX4dP88XWrIFg-jJGhpGP8JUMDgZgavxVx225hUEYZMyrLGler5em4FgbG62YWC51moLDLeYEA")).to eq("EkMSC19jRTh4U3U2c3dFyAEA4AEBogINKP___________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%3D")

92
spec/invidious/search/yt_filters_spec.cr
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@ -0,0 +1,92 @@
require "../../../src/invidious/search/filters"
require "http/params"
require "spectator"
Spectator.configure do |config|
config.fail_blank
config.randomize
end
# Encoded filter values are extracted from the search
# page of Youtube with any browser devtools HTML inspector.
DATE_FILTERS = {
Invidious::Search::Filters::Date::Hour => "EgIIAQ%3D%3D",
Invidious::Search::Filters::Date::Today => "EgIIAg%3D%3D",
Invidious::Search::Filters::Date::Week => "EgIIAw%3D%3D",
Invidious::Search::Filters::Date::Month => "EgIIBA%3D%3D",
Invidious::Search::Filters::Date::Year => "EgIIBQ%3D%3D",
}
TYPE_FILTERS = {
Invidious::Search::Filters::Type::Video => "EgIQAQ%3D%3D",
Invidious::Search::Filters::Type::Channel => "EgIQAg%3D%3D",
Invidious::Search::Filters::Type::Playlist => "EgIQAw%3D%3D",
Invidious::Search::Filters::Type::Movie => "EgIQBA%3D%3D",
}
DURATION_FILTERS = {
Invidious::Search::Filters::Duration::Short => "EgIYAQ%3D%3D",
Invidious::Search::Filters::Duration::Medium => "EgIYAw%3D%3D",
Invidious::Search::Filters::Duration::Long => "EgIYAg%3D%3D",
}
FEATURE_FILTERS = {
Invidious::Search::Filters::Features::Live => "EgJAAQ%3D%3D",
Invidious::Search::Filters::Features::FourK => "EgJwAQ%3D%3D",
Invidious::Search::Filters::Features::HD => "EgIgAQ%3D%3D",
Invidious::Search::Filters::Features::Subtitles => "EgIoAQ%3D%3D",
Invidious::Search::Filters::Features::CCommons => "EgIwAQ%3D%3D",
Invidious::Search::Filters::Features::ThreeSixty => "EgJ4AQ%3D%3D",
Invidious::Search::Filters::Features::VR180 => "EgPQAQE%3D",
Invidious::Search::Filters::Features::ThreeD => "EgI4AQ%3D%3D",
Invidious::Search::Filters::Features::HDR => "EgPIAQE%3D",
Invidious::Search::Filters::Features::Location => "EgO4AQE%3D",
Invidious::Search::Filters::Features::Purchased => "EgJIAQ%3D%3D",
}
SORT_FILTERS = {
Invidious::Search::Filters::Sort::Relevance => "",
Invidious::Search::Filters::Sort::Date => "CAI%3D",
Invidious::Search::Filters::Sort::Views => "CAM%3D",
Invidious::Search::Filters::Sort::Rating => "CAE%3D",
}
Spectator.describe Invidious::Search::Filters do
# -------------------
# Encode YT params
# -------------------
describe "#to_yt_params" do
sample DATE_FILTERS do |value, result|
it "Encodes upload date filter '#{value}'" do
expect(described_class.new(date: value).to_yt_params).to eq(result)
end
end
sample TYPE_FILTERS do |value, result|
it "Encodes content type filter '#{value}'" do
expect(described_class.new(type: value).to_yt_params).to eq(result)
end
end
sample DURATION_FILTERS do |value, result|
it "Encodes duration filter '#{value}'" do
expect(described_class.new(duration: value).to_yt_params).to eq(result)
end
end
sample FEATURE_FILTERS do |value, result|
it "Encodes feature filter '#{value}'" do
expect(described_class.new(features: value).to_yt_params).to eq(result)
end
end
sample SORT_FILTERS do |value, result|
it "Encodes sort filter '#{value}'" do
expect(described_class.new(sort: value).to_yt_params).to eq(result)
end
end
end
end

60
src/invidious/search/filters.cr
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@ -1,3 +1,6 @@
require "protodec/utils"
require "http/params"
module Invidious::Search
struct Filters
# Values correspond to { "2:embedded": { "1:varint": <X> }}
@ -74,6 +77,63 @@ module Invidious::Search
@features : Features = Features::None,
@sort : Sort = Sort::Relevance
)
# -------------------
# Youtube params
# -------------------
# Produce the youtube search parameters for the
# innertube API (base64-encoded protobuf object).
def to_yt_params(page : Int = 1) : String
# Initialize the embedded protobuf object
embedded = {} of String => Int64
# Add these field only if associated parameter is selected
embedded["1:varint"] = @date.to_i64 if !@date.none?
embedded["2:varint"] = @type.to_i64 if !@type.all?
embedded["3:varint"] = @duration.to_i64 if !@duration.none?
if !@features.none?
# All features have a value of "1" when enabled, and
# the field is omitted when the feature is no selected.
embedded["4:varint"] = 1_i64 if @features.includes?(Features::HD)
embedded["5:varint"] = 1_i64 if @features.includes?(Features::Subtitles)
embedded["6:varint"] = 1_i64 if @features.includes?(Features::CCommons)
embedded["7:varint"] = 1_i64 if @features.includes?(Features::ThreeD)
embedded["8:varint"] = 1_i64 if @features.includes?(Features::Live)
embedded["9:varint"] = 1_i64 if @features.includes?(Features::Purchased)
embedded["14:varint"] = 1_i64 if @features.includes?(Features::FourK)
embedded["15:varint"] = 1_i64 if @features.includes?(Features::ThreeSixty)
embedded["23:varint"] = 1_i64 if @features.includes?(Features::Location)
embedded["25:varint"] = 1_i64 if @features.includes?(Features::HDR)
embedded["26:varint"] = 1_i64 if @features.includes?(Features::VR180)
end
# Initialize an empty protobuf object
object = {} of String => (Int64 | String | Hash(String, Int64))
# As usual, everything can be omitted if it has no value
object["2:embedded"] = embedded if !embedded.empty?
# Default sort is "relevance", so when this option is selected,
# the associated field can be omitted.
if !@sort.relevance?
object["1:varint"] = @sort.to_i64
end
# Add page number (if provided)
if page > 1
object["9:varint"] = ((page - 1) * 20).to_i64
end
# If the object is empty, return an empty string,
# otherwise encode to protobuf then to base64
return "" if object.empty?
return 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) }
end
end
end

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