class RedditThing include JSON::Serializable property kind : String property data : RedditComment | RedditLink | RedditMore | RedditListing end class RedditComment include JSON::Serializable property author : String property body_html : String property replies : RedditThing | String property score : Int32 property depth : Int32 property permalink : String @[JSON::Field(converter: RedditComment::TimeConverter)] property created_utc : Time module TimeConverter def self.from_json(value : JSON::PullParser) : Time Time.unix(value.read_float.to_i) end def self.to_json(value : Time, json : JSON::Builder) json.number(value.to_unix) end end end struct RedditLink include JSON::Serializable property author : String property score : Int32 property subreddit : String property num_comments : Int32 property id : String property permalink : String property title : String end struct RedditMore include JSON::Serializable property children : Array(String) property count : Int32 property depth : Int32 end class RedditListing include JSON::Serializable property children : Array(RedditThing) property modhash : String end def fetch_youtube_comments(id, cursor, format, locale, thin_mode, region, sort_by = "top") case cursor when nil, "" ctoken = produce_comment_continuation(id, cursor: "", sort_by: sort_by) when .starts_with? "ADSJ" ctoken = produce_comment_continuation(id, cursor: cursor, sort_by: sort_by) else ctoken = cursor end client_config = YoutubeAPI::ClientConfig.new(region: region) response = YoutubeAPI.next(continuation: ctoken, client_config: client_config) contents = nil if on_response_received_endpoints = response["onResponseReceivedEndpoints"]? header = nil on_response_received_endpoints.as_a.each do |item| if item["reloadContinuationItemsCommand"]? case item["reloadContinuationItemsCommand"]["slot"] when "RELOAD_CONTINUATION_SLOT_HEADER" header = item["reloadContinuationItemsCommand"]["continuationItems"][0] when "RELOAD_CONTINUATION_SLOT_BODY" # continuationItems is nil when video has no comments contents = item["reloadContinuationItemsCommand"]["continuationItems"]? end elsif item["appendContinuationItemsAction"]? contents = item["appendContinuationItemsAction"]["continuationItems"] end end elsif response["continuationContents"]? response = response["continuationContents"] if response["commentRepliesContinuation"]? body = response["commentRepliesContinuation"] else body = response["itemSectionContinuation"] end contents = body["contents"]? header = body["header"]? else raise InfoException.new("Could not fetch comments") end if !contents if format == "json" return {"comments" => [] of String}.to_json else return {"contentHtml" => "", "commentCount" => 0}.to_json end end continuation_item_renderer = nil contents.as_a.reject! do |item| if item["continuationItemRenderer"]? continuation_item_renderer = item["continuationItemRenderer"] true end end response = JSON.build do |json| json.object do if header count_text = header["commentsHeaderRenderer"]["countText"] comment_count = (count_text["simpleText"]? || count_text["runs"]?.try &.[0]?.try &.["text"]?) .try &.as_s.gsub(/\D/, "").to_i? || 0 json.field "commentCount", comment_count end json.field "videoId", id json.field "comments" do json.array do contents.as_a.each do |node| json.object do if node["commentThreadRenderer"]? node = node["commentThreadRenderer"] end if node["replies"]? node_replies = node["replies"]["commentRepliesRenderer"] end if node["comment"]? node_comment = node["comment"]["commentRenderer"] else node_comment = node["commentRenderer"] end content_html = node_comment["contentText"]?.try { |t| parse_content(t) } || "" author = node_comment["authorText"]?.try &.["simpleText"]? || "" json.field "author", author json.field "authorThumbnails" do json.array do node_comment["authorThumbnail"]["thumbnails"].as_a.each do |thumbnail| json.object do json.field "url", thumbnail["url"] json.field "width", thumbnail["width"] json.field "height", thumbnail["height"] end end end end if node_comment["authorEndpoint"]? json.field "authorId", node_comment["authorEndpoint"]["browseEndpoint"]["browseId"] json.field "authorUrl", node_comment["authorEndpoint"]["browseEndpoint"]["canonicalBaseUrl"] else json.field "authorId", "" json.field "authorUrl", "" end published_text = node_comment["publishedTimeText"]["runs"][0]["text"].as_s published = decode_date(published_text.rchop(" (edited)")) if published_text.includes?(" (edited)") json.field "isEdited", true else json.field "isEdited", false end json.field "content", html_to_content(content_html) json.field "contentHtml", content_html json.field "published", published.to_unix json.field "publishedText", translate(locale, "`x` ago", recode_date(published, locale)) comment_action_buttons_renderer = node_comment["actionButtons"]["commentActionButtonsRenderer"] json.field "likeCount", comment_action_buttons_renderer["likeButton"]["toggleButtonRenderer"]["accessibilityData"]["accessibilityData"]["label"].as_s.scan(/\d/).map(&.[0]).join.to_i json.field "commentId", node_comment["commentId"] json.field "authorIsChannelOwner", node_comment["authorIsChannelOwner"] if comment_action_buttons_renderer["creatorHeart"]? hearth_data = comment_action_buttons_renderer["creatorHeart"]["creatorHeartRenderer"]["creatorThumbnail"] json.field "creatorHeart" do json.object do json.field "creatorThumbnail", hearth_data["thumbnails"][-1]["url"] json.field "creatorName", hearth_data["accessibility"]["accessibilityData"]["label"] end end end if node_replies && !response["commentRepliesContinuation"]? if node_replies["moreText"]? reply_count = (node_replies["moreText"]["simpleText"]? || node_replies["moreText"]["runs"]?.try &.[0]?.try &.["text"]?) .try &.as_s.gsub(/\D/, "").to_i? || 1 elsif node_replies["viewReplies"]? reply_count = node_replies["viewReplies"]["buttonRenderer"]["text"]?.try &.["runs"][1]?.try &.["text"]?.try &.as_s.to_i? || 1 else reply_count = 1 end if node_replies["continuations"]? continuation = node_replies["continuations"]?.try &.as_a[0]["nextContinuationData"]["continuation"].as_s elsif node_replies["contents"]? continuation = node_replies["contents"]?.try &.as_a[0]["continuationItemRenderer"]["continuationEndpoint"]["continuationCommand"]["token"].as_s end continuation ||= "" json.field "replies" do json.object do json.field "replyCount", reply_count json.field "continuation", continuation end end end end end end end if continuation_item_renderer if continuation_item_renderer["continuationEndpoint"]? continuation_endpoint = continuation_item_renderer["continuationEndpoint"] elsif continuation_item_renderer["button"]? continuation_endpoint = continuation_item_renderer["button"]["buttonRenderer"]["command"] end if continuation_endpoint json.field "continuation", continuation_endpoint["continuationCommand"]["token"].as_s end end end end if format == "html" response = JSON.parse(response) content_html = template_youtube_comments(response, locale, thin_mode) response = JSON.build do |json| json.object do json.field "contentHtml", content_html if response["commentCount"]? json.field "commentCount", response["commentCount"] else json.field "commentCount", 0 end end end end return response end def fetch_reddit_comments(id, sort_by = "confidence") client = make_client(REDDIT_URL) headers = HTTP::Headers{"User-Agent" => "web:invidious:v#{CURRENT_VERSION} (by github.com/iv-org/invidious)"} # TODO: Use something like #479 for a static list of instances to use here query = URI::Params.encode({q: "(url:3D#{id} OR url:#{id}) AND (site:invidio.us OR site:youtube.com OR site:youtu.be)"}) search_results = client.get("/search.json?#{query}", headers) if search_results.status_code == 200 search_results = RedditThing.from_json(search_results.body) # For videos that have more than one thread, choose the one with the highest score threads = search_results.data.as(RedditListing).children thread = threads.max_by?(&.data.as(RedditLink).score).try(&.data.as(RedditLink)) result = thread.try do |t| body = client.get("/r/#{t.subreddit}/comments/#{t.id}.json?limit=100&sort=#{sort_by}", headers).body Array(RedditThing).from_json(body) end result ||= [] of RedditThing elsif search_results.status_code == 302 # Previously, if there was only one result then the API would redirect to that result. # Now, it appears it will still return a listing so this section is likely unnecessary. result = client.get(search_results.headers["Location"], headers).body result = Array(RedditThing).from_json(result) thread = result[0].data.as(RedditListing).children[0].data.as(RedditLink) else raise InfoException.new("Could not fetch comments") end client.close comments = result[1]?.try(&.data.as(RedditListing).children) comments ||= [] of RedditThing return comments, thread end def template_youtube_comments(comments, locale, thin_mode, is_replies = false) String.build do |html| root = comments["comments"].as_a root.each do |child| if child["replies"]? replies_count_text = translate_count(locale, "comments_view_x_replies", child["replies"]["replyCount"].as_i64 || 0, NumberFormatting::Separator ) replies_html = <<-END_HTML

#{replies_count_text}

END_HTML end if !thin_mode author_thumbnail = "/ggpht#{URI.parse(child["authorThumbnails"][-1]["url"].as_s).request_target}" else author_thumbnail = "" end author_name = HTML.escape(child["author"].as_s) html << <<-END_HTML

#{author_name}

#{child["contentHtml"]}

END_HTML if child["attachment"]? attachment = child["attachment"] case attachment["type"] when "image" attachment = attachment["imageThumbnails"][1] html << <<-END_HTML
END_HTML when "video" html << <<-END_HTML
END_HTML if attachment["error"]? html << <<-END_HTML

#{attachment["error"]}

END_HTML else html << <<-END_HTML END_HTML end html << <<-END_HTML
END_HTML else nil # Ignore end end html << <<-END_HTML #{translate(locale, "`x` ago", recode_date(Time.unix(child["published"].as_i64), locale))} #{child["isEdited"] == true ? translate(locale, "(edited)") : ""} | END_HTML if comments["videoId"]? html << <<-END_HTML [YT] | END_HTML elsif comments["authorId"]? html << <<-END_HTML [YT] | END_HTML end html << <<-END_HTML #{number_with_separator(child["likeCount"])} END_HTML if child["creatorHeart"]? if !thin_mode creator_thumbnail = "/ggpht#{URI.parse(child["creatorHeart"]["creatorThumbnail"].as_s).request_target}" else creator_thumbnail = "" end html << <<-END_HTML
END_HTML end html << <<-END_HTML

#{replies_html}
END_HTML end if comments["continuation"]? html << <<-END_HTML

#{translate(locale, "Load more")}

END_HTML end end end def template_reddit_comments(root, locale) String.build do |html| root.each do |child| if child.data.is_a?(RedditComment) child = child.data.as(RedditComment) body_html = HTML.unescape(child.body_html) replies_html = "" if child.replies.is_a?(RedditThing) replies = child.replies.as(RedditThing) replies_html = template_reddit_comments(replies.data.as(RedditListing).children, locale) end if child.depth > 0 html << <<-END_HTML
END_HTML else html << <<-END_HTML
END_HTML end html << <<-END_HTML

[ - ] #{child.author} #{translate_count(locale, "comments_points_count", child.score, NumberFormatting::Separator)} #{translate(locale, "`x` ago", recode_date(child.created_utc, locale))} #{translate(locale, "permalink")}

#{body_html} #{replies_html}
END_HTML end end end end def replace_links(html) html = XML.parse_html(html) html.xpath_nodes(%q(//a)).each do |anchor| url = URI.parse(anchor["href"]) if url.host.nil? || url.host.not_nil!.ends_with?("youtube.com") || url.host.not_nil!.ends_with?("youtu.be") if url.host.try &.ends_with? "youtu.be" url = "/watch?v=#{url.path.lstrip('/')}#{url.query_params}" else if url.path == "/redirect" params = HTTP::Params.parse(url.query.not_nil!) anchor["href"] = params["q"]? else anchor["href"] = url.request_target end end elsif url.to_s == "#" begin length_seconds = decode_length_seconds(anchor.content) rescue ex length_seconds = decode_time(anchor.content) end if length_seconds > 0 anchor["href"] = "javascript:void(0)" anchor["onclick"] = "player.currentTime(#{length_seconds})" else anchor["href"] = url.request_target end end end html = html.xpath_node(%q(//body)).not_nil! if node = html.xpath_node(%q(./p)) html = node end return html.to_xml(options: XML::SaveOptions::NO_DECL) end def fill_links(html, scheme, host) html = XML.parse_html(html) html.xpath_nodes("//a").each do |match| url = URI.parse(match["href"]) # Reddit links don't have host if !url.host && !match["href"].starts_with?("javascript") && !url.to_s.ends_with? "#" url.scheme = scheme url.host = host match["href"] = url end end if host == "www.youtube.com" html = html.xpath_node(%q(//body/p)).not_nil! end return html.to_xml(options: XML::SaveOptions::NO_DECL) end def parse_content(content : JSON::Any) : String content["simpleText"]?.try &.as_s.rchop('\ufeff').try { |b| HTML.escape(b) }.to_s || content["runs"]?.try &.as_a.try { |r| content_to_comment_html(r).try &.to_s.gsub("\n", "
") } || "" end def content_to_comment_html(content) comment_html = content.map do |run| text = HTML.escape(run["text"].as_s) if run["bold"]? text = "#{text}" end if run["italics"]? text = "#{text}" end if run["navigationEndpoint"]? if url = run["navigationEndpoint"]["urlEndpoint"]?.try &.["url"].as_s url = URI.parse(url) if url.host == "youtu.be" url = "/watch?v=#{url.request_target.lstrip('/')}" elsif url.host.nil? || url.host.not_nil!.ends_with?("youtube.com") if url.path == "/redirect" # Sometimes, links can be corrupted (why?) so make sure to fallback # nicely. See https://github.com/iv-org/invidious/issues/2682 url = HTTP::Params.parse(url.query.not_nil!)["q"]? || "" else url = url.request_target end end text = %(#{text}) elsif watch_endpoint = run["navigationEndpoint"]["watchEndpoint"]? length_seconds = watch_endpoint["startTimeSeconds"]? video_id = watch_endpoint["videoId"].as_s if length_seconds && length_seconds.as_i > 0 text = %(#{text}) else text = %(#{text}) end elsif url = run.dig?("navigationEndpoint", "commandMetadata", "webCommandMetadata", "url").try &.as_s text = %(#{text}) end end text end.join("").delete('\ufeff') return comment_html end def produce_comment_continuation(video_id, cursor = "", sort_by = "top") object = { "2:embedded" => { "2:string" => video_id, "25:varint" => 0_i64, "28:varint" => 1_i64, "36:embedded" => { "5:varint" => -1_i64, "8:varint" => 0_i64, }, "40:embedded" => { "1:varint" => 4_i64, "3:string" => "https://www.youtube.com", "4:string" => "", }, }, "3:varint" => 6_i64, "6:embedded" => { "1:string" => cursor, "4:embedded" => { "4:string" => video_id, "6:varint" => 0_i64, }, "5:varint" => 20_i64, }, } case sort_by when "top" object["6:embedded"].as(Hash)["4:embedded"].as(Hash)["6:varint"] = 0_i64 when "new", "newest" object["6:embedded"].as(Hash)["4:embedded"].as(Hash)["6:varint"] = 1_i64 else # top object["6:embedded"].as(Hash)["4:embedded"].as(Hash)["6:varint"] = 0_i64 end continuation = 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) } return continuation end