Add 'extract_polymer_config'

This commit is contained in:
Omar Roth 2019-04-10 18:02:13 -05:00
parent 28d5bedcc7
commit 8640d6bb1e

View File

@ -601,6 +601,168 @@ def get_video(id, db, proxies = {} of String => Array({ip: String, port: Int32})
return video
end
def extract_polymer_config(body, html)
params = HTTP::Params.new
params["session_token"] = body.match(/"XSRF_TOKEN":"(?<session_token>[A-Za-z0-9\_\-\=]+)"/).try &.["session_token"] || ""
html_info = JSON.parse(body.match(/ytplayer\.config = (?<info>.*?);ytplayer\.load/).try &.["info"] || "{}").try &.["args"]?.try &.as_h
if html_info
html_info.each do |key, value|
params[key] = value.to_s
end
end
initial_data = JSON.parse(body.match(/window\["ytInitialData"\] = (?<info>.*?);\n/).try &.["info"] || "{}")
primary_results = initial_data["contents"]?
.try &.["twoColumnWatchNextResults"]?
.try &.["results"]?
.try &.["results"]?
.try &.["contents"]?
comment_continuation = primary_results.try &.as_a.select { |object| object["itemSectionRenderer"]? }[0]?
.try &.["itemSectionRenderer"]?
.try &.["continuations"]?
.try &.[0]?
.try &.["nextContinuationData"]?
params["ctoken"] = comment_continuation.try &.["continuation"]?.try &.as_s || ""
params["itct"] = comment_continuation.try &.["clickTrackingParams"]?.try &.as_s || ""
recommended_videos = initial_data["contents"]?
.try &.["twoColumnWatchNextResults"]?
.try &.["secondaryResults"]?
.try &.["secondaryResults"]?
.try &.["results"]?
.try &.as_a
rvs = [] of String
recommended_videos.try &.each do |compact_renderer|
if compact_renderer["compactRadioRenderer"]? || compact_renderer["compactPlaylistRenderer"]?
# TODO
elsif compact_renderer["compactVideoRenderer"]?
compact_renderer = compact_renderer["compactVideoRenderer"]
recommended_video = HTTP::Params.new
recommended_video["id"] = compact_renderer["videoId"].as_s
recommended_video["title"] = compact_renderer["title"]["simpleText"].as_s
recommended_video["author"] = compact_renderer["shortBylineText"]["runs"].as_a[0]["text"].as_s
recommended_video["ucid"] = compact_renderer["shortBylineText"]["runs"].as_a[0]["navigationEndpoint"]["browseEndpoint"]["browseId"].as_s
recommended_video["author_thumbnail"] = compact_renderer["channelThumbnail"]["thumbnails"][0]["url"].as_s
recommended_video["short_view_count_text"] = compact_renderer["shortViewCountText"]["simpleText"].as_s
recommended_video["view_count"] = compact_renderer["viewCountText"]?.try &.["simpleText"]?.try &.as_s.delete(", views").to_i64?.try &.to_s || "0"
recommended_video["length_seconds"] = decode_length_seconds(compact_renderer["lengthText"]?.try &.["simpleText"]?.try &.as_s || "0:00").to_s
rvs << recommended_video.to_s
end
end
params["rvs"] = rvs.join(",")
# TODO: Watching now
params["views"] = primary_results.try &.as_a.select { |object| object["videoPrimaryInfoRenderer"]? }[0]?
.try &.["videoPrimaryInfoRenderer"]?
.try &.["viewCount"]?
.try &.["videoViewCountRenderer"]?
.try &.["viewCount"]?
.try &.["simpleText"]?
.try &.as_s.gsub(/\D/, "").to_i64.to_s || "0"
sentiment_bar = primary_results.try &.as_a.select { |object| object["videoPrimaryInfoRenderer"]? }[0]?
.try &.["videoPrimaryInfoRenderer"]?
.try &.["sentimentBar"]?
.try &.["sentimentBarRenderer"]?
.try &.["tooltip"]?
.try &.as_s
likes, dislikes = sentiment_bar.try &.split(" / ").map { |a| a.delete(", ").to_i32 }[0, 2] || {0, 0}
params["likes"] = "#{likes}"
params["dislikes"] = "#{dislikes}"
published = primary_results.try &.as_a.select { |object| object["videoSecondaryInfoRenderer"]? }[0]?
.try &.["videoSecondaryInfoRenderer"]?
.try &.["dateText"]?
.try &.["simpleText"]?
.try &.as_s.split(" ")[-3..-1].join(" ")
if published
params["published"] = Time.parse(published, "%b %-d, %Y", Time::Location.local).to_unix.to_s
else
params["published"] = Time.new(1990, 1, 1).to_unix.to_s
end
params["description_html"] = "<p></p>"
description_html = primary_results.try &.as_a.select { |object| object["videoSecondaryInfoRenderer"]? }[0]?
.try &.["videoSecondaryInfoRenderer"]?
.try &.["description"]?
.try &.["runs"]?
.try &.as_a
if description_html
params["description_html"] = content_to_comment_html(description_html)
end
metadata = primary_results.try &.as_a.select { |object| object["videoSecondaryInfoRenderer"]? }[0]?
.try &.["videoSecondaryInfoRenderer"]?
.try &.["metadataRowContainer"]?
.try &.["metadataRowContainerRenderer"]?
.try &.["rows"]?
.try &.as_a
params["genre"] = ""
params["genre_ucid"] = ""
params["license"] = ""
metadata.try &.each do |row|
title = row["metadataRowRenderer"]?.try &.["title"]?.try &.["simpleText"]?.try &.as_s
contents = row["metadataRowRenderer"]?
.try &.["contents"]?
.try &.as_a[0]?
if title.try &.== "Category"
contents = contents.try &.["runs"]?
.try &.as_a[0]?
params["genre"] = contents.try &.["text"]?
.try &.as_s || ""
params["genre_ucid"] = contents.try &.["navigationEndpoint"]?
.try &.["browseEndpoint"]?
.try &.["browseId"]?.try &.as_s || ""
elsif title.try &.== "License"
contents = contents.try &.["runs"]?
.try &.as_a[0]?
params["license"] = contents.try &.["text"]?
.try &.as_s || ""
elsif title.try &.== "Licensed to YouTube by"
params["license"] = contents.try &.["simpleText"]?
.try &.as_s || ""
end
end
author_info = primary_results.try &.as_a.select { |object| object["videoSecondaryInfoRenderer"]? }[0]?
.try &.["videoSecondaryInfoRenderer"]?
.try &.["owner"]?
.try &.["videoOwnerRenderer"]?
params["author_thumbnail"] = author_info.try &.["thumbnail"]?
.try &.["thumbnails"]?
.try &.as_a[0]?
.try &.["url"]?
.try &.as_s || ""
params["sub_count_text"] = author_info.try &.["subscriberCountText"]?
.try &.["simpleText"]?
.try &.as_s.gsub(/\D/, "") || "0"
return params
end
def extract_player_config(body, html)
params = HTTP::Params.new