278 行
11 KiB
Crystal
278 行
11 KiB
Crystal
# TODO: Add "sort_by"
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def fetch_channel_community(ucid, continuation, locale, format, thin_mode)
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response = YT_POOL.client &.get("/channel/#{ucid}/community?gl=JP&hl=en")
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if response.status_code != 200
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response = YT_POOL.client &.get("/user/#{ucid}/community?gl=JP&hl=en")
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end
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if response.status_code != 200
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raise NotFoundException.new("This channel does not exist.")
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end
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ucid = response.body.match(/https:\/\/www.youtube.com\/channel\/(?<ucid>UC[a-zA-Z0-9_-]{22})/).not_nil!["ucid"]
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if !continuation || continuation.empty?
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initial_data = extract_initial_data(response.body)
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body = extract_selected_tab(initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"])["content"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]
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if !body
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raise InfoException.new("Could not extract community tab.")
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end
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else
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continuation = produce_channel_community_continuation(ucid, continuation)
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headers = HTTP::Headers.new
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headers["cookie"] = response.cookies.add_request_headers(headers)["cookie"]
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session_token = response.body.match(/"XSRF_TOKEN":"(?<session_token>[^"]+)"/).try &.["session_token"]? || ""
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post_req = {
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session_token: session_token,
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}
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response = YT_POOL.client &.post("/comment_service_ajax?action_get_comments=1&ctoken=#{continuation}&continuation=#{continuation}&hl=en&gl=JP", headers, form: post_req)
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body = JSON.parse(response.body)
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body = body["response"]["continuationContents"]["itemSectionContinuation"]? ||
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body["response"]["continuationContents"]["backstageCommentsContinuation"]?
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if !body
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raise InfoException.new("Could not extract continuation.")
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end
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end
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continuation = body["continuations"]?.try &.[0]["nextContinuationData"]["continuation"].as_s
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posts = body["contents"].as_a
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if message = posts[0]["messageRenderer"]?
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error_message = (message["text"]["simpleText"]? ||
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message["text"]["runs"]?.try &.[0]?.try &.["text"]?)
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.try &.as_s || ""
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if error_message == "This channel does not exist."
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raise NotFoundException.new(error_message)
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else
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raise InfoException.new(error_message)
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end
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end
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response = JSON.build do |json|
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json.object do
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json.field "authorId", ucid
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json.field "comments" do
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json.array do
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posts.each do |post|
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comments = post["backstagePostThreadRenderer"]?.try &.["comments"]? ||
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post["backstageCommentsContinuation"]?
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post = post["backstagePostThreadRenderer"]?.try &.["post"]["backstagePostRenderer"]? ||
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post["commentThreadRenderer"]?.try &.["comment"]["commentRenderer"]?
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next if !post
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content_html = post["contentText"]?.try { |t| parse_content(t) } || ""
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author = post["authorText"]?.try &.["simpleText"]? || ""
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json.object do
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json.field "author", author
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json.field "authorThumbnails" do
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json.array do
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qualities = {32, 48, 76, 100, 176, 512}
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author_thumbnail = post["authorThumbnail"]["thumbnails"].as_a[0]["url"].as_s
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qualities.each do |quality|
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json.object do
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json.field "url", author_thumbnail.gsub(/s\d+-/, "s#{quality}-")
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json.field "width", quality
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json.field "height", quality
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end
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end
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end
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end
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if post["authorEndpoint"]?
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json.field "authorId", post["authorEndpoint"]["browseEndpoint"]["browseId"]
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json.field "authorUrl", post["authorEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"].as_s
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else
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json.field "authorId", ""
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json.field "authorUrl", ""
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end
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published_text = post["publishedTimeText"]["runs"][0]["text"].as_s
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published = decode_date(published_text.rchop(" (edited)"))
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if published_text.includes?(" (edited)")
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json.field "isEdited", true
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else
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json.field "isEdited", false
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end
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like_count = post["actionButtons"]["commentActionButtonsRenderer"]["likeButton"]["toggleButtonRenderer"]["accessibilityData"]["accessibilityData"]["label"]
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.try &.as_s.gsub(/\D/, "").to_i? || 0
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json.field "content", html_to_content(content_html)
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json.field "contentHtml", content_html
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json.field "published", published.to_unix
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json.field "publishedText", translate(locale, "`x` ago", recode_date(published, locale))
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json.field "likeCount", like_count
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json.field "commentId", post["postId"]? || post["commentId"]? || ""
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json.field "authorIsChannelOwner", post["authorEndpoint"]["browseEndpoint"]["browseId"] == ucid
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if attachment = post["backstageAttachment"]?
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json.field "attachment" do
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json.object do
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case attachment.as_h
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when .has_key?("videoRenderer")
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attachment = attachment["videoRenderer"]
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json.field "type", "video"
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if !attachment["videoId"]?
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error_message = (attachment["title"]["simpleText"]? ||
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attachment["title"]["runs"]?.try &.[0]?.try &.["text"]?)
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json.field "error", error_message
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else
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video_id = attachment["videoId"].as_s
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video_title = attachment["title"]["simpleText"]? || attachment["title"]["runs"]?.try &.[0]?.try &.["text"]?
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json.field "title", video_title
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json.field "videoId", video_id
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json.field "videoThumbnails" do
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Invidious::JSONify::APIv1.thumbnails(json, video_id)
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end
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json.field "lengthSeconds", decode_length_seconds(attachment["lengthText"]["simpleText"].as_s)
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author_info = attachment["ownerText"]["runs"][0].as_h
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json.field "author", author_info["text"].as_s
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json.field "authorId", author_info["navigationEndpoint"]["browseEndpoint"]["browseId"]
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json.field "authorUrl", author_info["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"]
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# TODO: json.field "authorThumbnails", "channelThumbnailSupportedRenderers"
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# TODO: json.field "authorVerified", "ownerBadges"
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published = decode_date(attachment["publishedTimeText"]["simpleText"].as_s)
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json.field "published", published.to_unix
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json.field "publishedText", translate(locale, "`x` ago", recode_date(published, locale))
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view_count = attachment["viewCountText"]?.try &.["simpleText"].as_s.gsub(/\D/, "").to_i64? || 0_i64
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json.field "viewCount", view_count
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json.field "viewCountText", translate_count(locale, "generic_views_count", view_count, NumberFormatting::Short)
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end
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when .has_key?("backstageImageRenderer")
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attachment = attachment["backstageImageRenderer"]
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json.field "type", "image"
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json.field "imageThumbnails" do
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json.array do
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thumbnail = attachment["image"]["thumbnails"][0].as_h
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width = thumbnail["width"].as_i
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height = thumbnail["height"].as_i
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aspect_ratio = (width.to_f / height.to_f)
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url = thumbnail["url"].as_s.gsub(/=w\d+-h\d+(-p)?(-nd)?(-df)?(-rwa)?/, "=s640")
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qualities = {320, 560, 640, 1280, 2000}
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qualities.each do |quality|
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json.object do
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json.field "url", url.gsub(/=s\d+/, "=s#{quality}")
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json.field "width", quality
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json.field "height", (quality / aspect_ratio).ceil.to_i
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end
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end
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end
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end
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# TODO
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# when .has_key?("pollRenderer")
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# attachment = attachment["pollRenderer"]
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# json.field "type", "poll"
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else
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json.field "type", "unknown"
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json.field "error", "Unrecognized attachment type."
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end
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end
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end
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end
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if comments && (reply_count = (comments["backstageCommentsRenderer"]["moreText"]["simpleText"]? ||
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comments["backstageCommentsRenderer"]["moreText"]["runs"]?.try &.[0]?.try &.["text"]?)
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.try &.as_s.gsub(/\D/, "").to_i?)
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continuation = comments["backstageCommentsRenderer"]["continuations"]?.try &.as_a[0]["nextContinuationData"]["continuation"].as_s
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continuation ||= ""
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json.field "replies" do
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json.object do
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json.field "replyCount", reply_count
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json.field "continuation", extract_channel_community_cursor(continuation)
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end
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end
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end
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end
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end
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end
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end
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if body["continuations"]?
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continuation = body["continuations"][0]["nextContinuationData"]["continuation"].as_s
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json.field "continuation", extract_channel_community_cursor(continuation)
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end
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end
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end
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if format == "html"
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response = JSON.parse(response)
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content_html = template_youtube_comments(response, locale, thin_mode)
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response = JSON.build do |json|
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json.object do
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json.field "contentHtml", content_html
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end
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end
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end
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return response
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end
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def produce_channel_community_continuation(ucid, cursor)
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object = {
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"80226972:embedded" => {
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"2:string" => ucid,
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"3:string" => cursor || "",
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},
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}
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continuation = object.try { |i| Protodec::Any.cast_json(i) }
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.try { |i| Protodec::Any.from_json(i) }
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.try { |i| Base64.urlsafe_encode(i) }
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.try { |i| URI.encode_www_form(i) }
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return continuation
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end
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def extract_channel_community_cursor(continuation)
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object = URI.decode_www_form(continuation)
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.try { |i| Base64.decode(i) }
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.try { |i| IO::Memory.new(i) }
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.try { |i| Protodec::Any.parse(i) }
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.try(&.["80226972:0:embedded"]["3:1:base64"].as_h)
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if object["53:2:embedded"]?.try &.["3:0:embedded"]?
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object["53:2:embedded"]["3:0:embedded"]["2:0:string"] = object["53:2:embedded"]["3:0:embedded"]
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.try(&.["2:0:base64"].as_h)
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.try { |i| Protodec::Any.cast_json(i) }
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.try { |i| Protodec::Any.from_json(i) }
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.try { |i| Base64.urlsafe_encode(i, padding: false) }
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object["53:2:embedded"]["3:0:embedded"].as_h.delete("2:0:base64")
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end
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cursor = Protodec::Any.cast_json(object)
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.try { |i| Protodec::Any.from_json(i) }
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.try { |i| Base64.urlsafe_encode(i) }
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cursor
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end
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