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Switch to innertube API for videos (#2220)
Commit history: - Switch to innertube API for videos - fix hardcoded strings + fix bypass geo-restriction
This commit is contained in:
Émilien Devos
GitHub
parent
c60fccd7f6
commit
c06a20e085
@ -525,10 +525,6 @@ struct Video
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info["microformat"].as_h["playerMicroformatRenderer"].as_h["publishDate"] = JSON::Any.new(other.to_s("%Y-%m-%d"))
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end
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def cookie
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info["cookie"]?.try &.as_h.map { |k, v| "#{k}=#{v}" }.join("; ") || ""
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end
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def allow_ratings
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r = info["videoDetails"]["allowRatings"]?.try &.as_bool
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r.nil? ? false : r
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@ -773,10 +769,6 @@ struct Video
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def reason : String?
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info["reason"]?.try &.as_s
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end
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def session_token : String?
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info["sessionToken"]?.try &.as_s?
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end
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end
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struct Caption
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@ -820,44 +812,53 @@ def parse_related(r : JSON::Any) : JSON::Any?
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JSON::Any.new(rv)
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end
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def extract_polymer_config(body)
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def extract_video_info(video_id : String, proxy_region : String? = nil)
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params = {} of String => JSON::Any
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player_response = body.match(/(window\["ytInitialPlayerResponse"\]|var\sytInitialPlayerResponse)\s*=\s*(?<info>{.*?});\s*var\s*meta/m)
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.try { |r| JSON.parse(r["info"]).as_h }
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if body.includes?("To continue with your YouTube experience, please fill out the form below.") ||
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body.includes?("https://www.google.com/sorry/index")
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params["reason"] = JSON::Any.new("Could not extract video info. Instance is likely blocked.")
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elsif !player_response
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params["reason"] = JSON::Any.new("Video unavailable.")
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elsif player_response["playabilityStatus"]?.try &.["status"]?.try &.as_s != "OK"
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reason = player_response["playabilityStatus"]["errorScreen"]?.try &.["playerErrorMessageRenderer"]?.try &.["subreason"]?.try { |s| s["simpleText"]?.try &.as_s || s["runs"].as_a.map { |r| r["text"] }.join("") } ||
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player_response["playabilityStatus"]["reason"].as_s
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client_config = YoutubeAPI::ClientConfig.new(proxy_region: proxy_region)
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player_response = YoutubeAPI.player(video_id: video_id, params: "", client_config: client_config)
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if player_response["playabilityStatus"]?.try &.["status"]?.try &.as_s != "OK"
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reason = player_response["playabilityStatus"]["errorScreen"]?.try &.["playerErrorMessageRenderer"]?.try &.["subreason"]?.try { |s|
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s["simpleText"]?.try &.as_s || s["runs"].as_a.map { |r| r["text"] }.join("")
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} || player_response["playabilityStatus"]["reason"].as_s
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params["reason"] = JSON::Any.new(reason)
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end
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session_token_json_encoded = body.match(/"XSRF_TOKEN":"(?<session_token>[^"]+)"/).try &.["session_token"]? || ""
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params["sessionToken"] = JSON.parse(%({"key": "#{session_token_json_encoded}"}))["key"]
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params["shortDescription"] = JSON::Any.new(body.match(/"og:description" content="(?<description>[^"]+)"/).try &.["description"]?)
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params["shortDescription"] = player_response.dig?("videoDetails", "shortDescription") || JSON::Any.new(nil)
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return params if !player_response
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# Don't fetch the next endpoint if the video is unavailable.
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if !params["reason"]?
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next_response = YoutubeAPI.next({"videoId": video_id, "params": ""})
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player_response = player_response.merge(next_response)
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end
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# Fetch the video streams using an Android client in order to get the decrypted URLs and
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# maybe fix throttling issues (#2194).See for the explanation about the decrypted URLs:
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# https://github.com/TeamNewPipe/NewPipeExtractor/issues/562
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if !params["reason"]?
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client_config.client_type = YoutubeAPI::ClientType::Android
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stream_data = YoutubeAPI.player(video_id: video_id, params: "", client_config: client_config)
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params["streamingData"] = stream_data["streamingData"]? || JSON::Any.new("")
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end
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{"captions", "microformat", "playabilityStatus", "storyboards", "videoDetails"}.each do |f|
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params[f] = player_response[f] if player_response[f]?
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end
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yt_initial_data = extract_initial_data(body)
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params["relatedVideos"] = (
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player_response
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.dig?("playerOverlays", "playerOverlayRenderer", "endScreen", "watchNextEndScreenRenderer", "results")
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.try &.as_a.compact_map { |r| parse_related r } || \
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player_response
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.dig?("webWatchNextResponseExtensionData", "relatedVideoArgs")
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.try &.as_s.split(",").map { |r|
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r = HTTP::Params.parse(r).to_h
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JSON::Any.new(Hash.zip(r.keys, r.values.map { |v| JSON::Any.new(v) }))
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}
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).try { |a| JSON::Any.new(a) } || JSON::Any.new([] of JSON::Any)
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params["relatedVideos"] = yt_initial_data.try &.["playerOverlays"]?.try &.["playerOverlayRenderer"]?
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.try &.["endScreen"]?.try &.["watchNextEndScreenRenderer"]?.try &.["results"]?.try &.as_a.compact_map { |r|
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parse_related r
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}.try { |a| JSON::Any.new(a) } || yt_initial_data.try &.["webWatchNextResponseExtensionData"]?.try &.["relatedVideoArgs"]?
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.try &.as_s.split(",").map { |r|
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r = HTTP::Params.parse(r).to_h
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JSON::Any.new(Hash.zip(r.keys, r.values.map { |v| JSON::Any.new(v) }))
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}.try { |a| JSON::Any.new(a) } || JSON::Any.new([] of JSON::Any)
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primary_results = yt_initial_data.try &.["contents"]?.try &.["twoColumnWatchNextResults"]?.try &.["results"]?
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primary_results = player_response.try &.["contents"]?.try &.["twoColumnWatchNextResults"]?.try &.["results"]?
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.try &.["results"]?.try &.["contents"]?
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sentiment_bar = primary_results.try &.as_a.select { |object| object["videoPrimaryInfoRenderer"]? }[0]?
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.try &.["videoPrimaryInfoRenderer"]?
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@ -917,20 +918,6 @@ def extract_polymer_config(body)
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params["subCountText"] = JSON::Any.new(author_info.try &.["subscriberCountText"]?
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.try { |t| t["simpleText"]? || t["runs"]?.try &.[0]?.try &.["text"]? }.try &.as_s.split(" ", 2)[0] || "-")
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initial_data = body.match(/ytplayer\.config\s*=\s*(?<info>.*?);ytplayer\.web_player_context_config/)
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.try { |r| JSON.parse(r["info"]) }.try &.["args"]["player_response"]?
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.try &.as_s?.try &.try { |r| JSON.parse(r).as_h }
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if initial_data
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{"playabilityStatus", "streamingData"}.each do |f|
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params[f] = initial_data[f] if initial_data[f]?
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end
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else
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{"playabilityStatus", "streamingData"}.each do |f|
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params[f] = player_response[f] if player_response[f]?
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end
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end
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params
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end
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@ -961,26 +948,19 @@ def get_video(id, db, refresh = true, region = nil, force_refresh = false)
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end
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def fetch_video(id, region)
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response = YT_POOL.client(region, &.get("/watch?v=#{id}&gl=US&hl=en&has_verified=1&bpctr=9999999999"))
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info = extract_video_info(video_id: id)
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if md = response.headers["location"]?.try &.match(/v=(?<id>[a-zA-Z0-9_-]{11})/)
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raise VideoRedirect.new(video_id: md["id"])
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end
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info = extract_polymer_config(response.body)
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info["cookie"] = JSON::Any.new(response.cookies.to_h.transform_values { |v| JSON::Any.new(v.value) })
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allowed_regions = info["microformat"]?.try &.["playerMicroformatRenderer"]["availableCountries"]?.try &.as_a.map &.as_s || [] of String
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allowed_regions = info
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.dig?("microformat", "playerMicroformatRenderer", "availableCountries")
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.try &.as_a.map &.as_s || [] of String
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# Check for region-blocks
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if info["reason"]?.try &.as_s.includes?("your country")
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bypass_regions = PROXY_LIST.keys & allowed_regions
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if !bypass_regions.empty?
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region = bypass_regions[rand(bypass_regions.size)]
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response = YT_POOL.client(region, &.get("/watch?v=#{id}&gl=US&hl=en&has_verified=1&bpctr=9999999999"))
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region_info = extract_polymer_config(response.body)
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region_info = extract_video_info(video_id: id, proxy_region: region)
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region_info["region"] = JSON::Any.new(region) if region
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region_info["cookie"] = JSON::Any.new(response.cookies.to_h.transform_values { |v| JSON::Any.new(v.value) })
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info = region_info if !region_info["reason"]?
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end
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end
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