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def fetch_trending(trending_type, region, locale)
headers = HTTP::Headers.new
headers["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36"
region ||= "US"
region = region.upcase
trending = ""
plid = nil
if trending_type && trending_type != "Default"
trending_type = trending_type.downcase.capitalize
response = YT_POOL.client &.get("/feed/trending?gl=#{region}&hl=en", headers).body
initial_data = extract_initial_data(response)
tabs = initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"][0]["tabRenderer"]["content"]["sectionListRenderer"]["subMenu"]["channelListSubMenuRenderer"]["contents"].as_a
url = tabs.select { |tab| tab["channelListSubMenuAvatarRenderer"]["title"]["simpleText"] == trending_type }[0]?
if url
url["channelListSubMenuAvatarRenderer"]["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"]
url = url["channelListSubMenuAvatarRenderer"]["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"].as_s
url += "&disable_polymer=1&gl=#{region}&hl=en"
trending = YT_POOL.client &.get(url).body
plid = extract_plid(url)
else
trending = YT_POOL.client &.get("/feed/trending?gl=#{region}&hl=en&disable_polymer=1").body
end
else
trending = YT_POOL.client &.get("/feed/trending?gl=#{region}&hl=en&disable_polymer=1").body
end
trending = XML.parse_html(trending)
nodeset = trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"]))
trending = extract_videos(nodeset)
return {trending, plid}
end
def extract_plid(url)
wrapper = HTTP::Params.parse(URI.parse(url).query.not_nil!)["bp"]
wrapper = URI.decode_www_form(wrapper)
wrapper = Base64.decode(wrapper)
# 0xe2 0x02 0x2e
wrapper += 3
# 0x0a
wrapper += 1
# Looks like "/m/[a-z0-9]{5}", not sure what it does here
item_size = wrapper[0]
wrapper += 1
item = wrapper[0, item_size]
wrapper += item.size
# 0x12
wrapper += 1
plid_size = wrapper[0]
wrapper += 1
plid = wrapper[0, plid_size]
wrapper += plid.size
plid = String.new(plid)
return plid
end
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