forked from midou/invidious
427 lines
14 KiB
Crystal
427 lines
14 KiB
Crystal
{% skip_file if flag?(:api_only) %}
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module Invidious::Routes::Feeds
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def self.view_all_playlists_redirect(env)
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env.redirect "/feed/playlists"
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end
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def self.playlists(env)
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locale = env.get("preferences").as(Preferences).locale
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user = env.get? "user"
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referer = get_referer(env)
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return env.redirect "/" if user.nil?
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user = user.as(User)
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# TODO: make a single DB call and separate the items here?
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items_created = Invidious::Database::Playlists.select_like_iv(user.email)
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items_created.map! do |item|
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item.author = ""
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item
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end
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items_saved = Invidious::Database::Playlists.select_not_like_iv(user.email)
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items_saved.map! do |item|
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item.author = ""
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item
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end
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templated "feeds/playlists"
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end
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def self.popular(env)
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locale = env.get("preferences").as(Preferences).locale
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if CONFIG.popular_enabled
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templated "feeds/popular"
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else
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message = translate(locale, "The Popular feed has been disabled by the administrator.")
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templated "message"
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end
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end
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def self.trending(env)
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locale = env.get("preferences").as(Preferences).locale
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trending_type = env.params.query["type"]?
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trending_type ||= "Default"
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region = env.params.query["region"]?
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region ||= env.get("preferences").as(Preferences).region
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begin
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trending, plid = fetch_trending(trending_type, region, locale)
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rescue ex
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return error_template(500, ex)
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end
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templated "feeds/trending"
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end
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def self.subscriptions(env)
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locale = env.get("preferences").as(Preferences).locale
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user = env.get? "user"
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sid = env.get? "sid"
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referer = get_referer(env)
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if !user
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return env.redirect referer
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end
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user = user.as(User)
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sid = sid.as(String)
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token = user.token
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if user.preferences.unseen_only
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env.set "show_watched", true
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end
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# Refresh account
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headers = HTTP::Headers.new
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headers["Cookie"] = env.request.headers["Cookie"]
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if !user.password
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user, sid = get_user(sid, headers)
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end
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max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
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max_results ||= user.preferences.max_results
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max_results ||= CONFIG.default_user_preferences.max_results
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page = env.params.query["page"]?.try &.to_i?
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page ||= 1
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videos, notifications = get_subscription_feed(user, max_results, page)
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# "updated" here is used for delivering new notifications, so if
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# we know a user has looked at their feed e.g. in the past 10 minutes,
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# they've already seen a video posted 20 minutes ago, and don't need
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# to be notified.
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Invidious::Database::Users.clear_notifications(user)
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user.notifications = [] of String
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env.set "user", user
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templated "feeds/subscriptions"
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end
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def self.history(env)
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locale = env.get("preferences").as(Preferences).locale
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user = env.get? "user"
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referer = get_referer(env)
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page = env.params.query["page"]?.try &.to_i?
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page ||= 1
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if !user
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return env.redirect referer
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end
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user = user.as(User)
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max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
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max_results ||= user.preferences.max_results
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max_results ||= CONFIG.default_user_preferences.max_results
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if user.watched[(page - 1) * max_results]?
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watched = user.watched.reverse[(page - 1) * max_results, max_results]
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end
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watched ||= [] of String
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templated "feeds/history"
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end
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# RSS feeds
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def self.rss_channel(env)
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locale = env.get("preferences").as(Preferences).locale
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env.response.headers["Content-Type"] = "application/atom+xml"
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env.response.content_type = "application/atom+xml"
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ucid = env.params.url["ucid"]
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params = HTTP::Params.parse(env.params.query["params"]? || "")
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begin
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channel = get_about_info(ucid, locale)
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rescue ex : ChannelRedirect
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return env.redirect env.request.resource.gsub(ucid, ex.channel_id)
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rescue ex
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return error_atom(500, ex)
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end
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response = YT_POOL.client &.get("/feeds/videos.xml?channel_id=#{channel.ucid}")
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rss = XML.parse_html(response.body)
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videos = rss.xpath_nodes("//feed/entry").map do |entry|
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video_id = entry.xpath_node("videoid").not_nil!.content
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title = entry.xpath_node("title").not_nil!.content
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published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
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updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
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author = entry.xpath_node("author/name").not_nil!.content
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ucid = entry.xpath_node("channelid").not_nil!.content
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description_html = entry.xpath_node("group/description").not_nil!.to_s
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views = entry.xpath_node("group/community/statistics").not_nil!.["views"].to_i64
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SearchVideo.new({
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title: title,
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id: video_id,
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author: author,
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ucid: ucid,
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published: published,
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views: views,
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description_html: description_html,
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length_seconds: 0,
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live_now: false,
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paid: false,
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premium: false,
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premiere_timestamp: nil,
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})
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end
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XML.build(indent: " ", encoding: "UTF-8") do |xml|
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xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
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"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
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"xml:lang": "en-US") do
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xml.element("link", rel: "self", href: "#{HOST_URL}#{env.request.resource}")
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xml.element("id") { xml.text "yt:channel:#{channel.ucid}" }
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xml.element("yt:channelId") { xml.text channel.ucid }
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xml.element("icon") { xml.text channel.author_thumbnail }
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xml.element("title") { xml.text channel.author }
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xml.element("link", rel: "alternate", href: "#{HOST_URL}/channel/#{channel.ucid}")
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xml.element("author") do
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xml.element("name") { xml.text channel.author }
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xml.element("uri") { xml.text "#{HOST_URL}/channel/#{channel.ucid}" }
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end
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videos.each do |video|
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video.to_xml(channel.auto_generated, params, xml)
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end
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end
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end
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end
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def self.rss_private(env)
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locale = env.get("preferences").as(Preferences).locale
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env.response.headers["Content-Type"] = "application/atom+xml"
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env.response.content_type = "application/atom+xml"
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token = env.params.query["token"]?
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if !token
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haltf env, status_code: 403
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end
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user = Invidious::Database::Users.select(token: token.strip)
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if !user
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haltf env, status_code: 403
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end
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max_results = env.params.query["max_results"]?.try &.to_i?.try &.clamp(0, MAX_ITEMS_PER_PAGE)
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max_results ||= user.preferences.max_results
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max_results ||= CONFIG.default_user_preferences.max_results
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page = env.params.query["page"]?.try &.to_i?
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page ||= 1
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params = HTTP::Params.parse(env.params.query["params"]? || "")
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videos, notifications = get_subscription_feed(user, max_results, page)
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XML.build(indent: " ", encoding: "UTF-8") do |xml|
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xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
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"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
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"xml:lang": "en-US") do
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xml.element("link", "type": "text/html", rel: "alternate", href: "#{HOST_URL}/feed/subscriptions")
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xml.element("link", "type": "application/atom+xml", rel: "self",
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href: "#{HOST_URL}#{env.request.resource}")
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xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) }
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(notifications + videos).each do |video|
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video.to_xml(locale, params, xml)
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end
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end
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end
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end
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def self.rss_playlist(env)
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locale = env.get("preferences").as(Preferences).locale
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env.response.headers["Content-Type"] = "application/atom+xml"
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env.response.content_type = "application/atom+xml"
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plid = env.params.url["plid"]
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params = HTTP::Params.parse(env.params.query["params"]? || "")
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path = env.request.path
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if plid.starts_with? "IV"
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if playlist = Invidious::Database::Playlists.select(id: plid)
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videos = get_playlist_videos(playlist, offset: 0, locale: locale)
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return XML.build(indent: " ", encoding: "UTF-8") do |xml|
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xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
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"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
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"xml:lang": "en-US") do
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xml.element("link", rel: "self", href: "#{HOST_URL}#{env.request.resource}")
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xml.element("id") { xml.text "iv:playlist:#{plid}" }
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xml.element("iv:playlistId") { xml.text plid }
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xml.element("title") { xml.text playlist.title }
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xml.element("link", rel: "alternate", href: "#{HOST_URL}/playlist?list=#{plid}")
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xml.element("author") do
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xml.element("name") { xml.text playlist.author }
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end
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videos.each &.to_xml(xml)
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end
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end
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else
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haltf env, status_code: 404
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end
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end
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response = YT_POOL.client &.get("/feeds/videos.xml?playlist_id=#{plid}")
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document = XML.parse(response.body)
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document.xpath_nodes(%q(//*[@href]|//*[@url])).each do |node|
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node.attributes.each do |attribute|
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case attribute.name
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when "url", "href"
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request_target = URI.parse(node[attribute.name]).request_target
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query_string_opt = request_target.starts_with?("/watch?v=") ? "&#{params}" : ""
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node[attribute.name] = "#{HOST_URL}#{request_target}#{query_string_opt}"
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else nil # Skip
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end
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end
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end
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document = document.to_xml(options: XML::SaveOptions::NO_DECL)
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document.scan(/<uri>(?<url>[^<]+)<\/uri>/).each do |match|
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content = "#{HOST_URL}#{URI.parse(match["url"]).request_target}"
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document = document.gsub(match[0], "<uri>#{content}</uri>")
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end
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document
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end
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def self.rss_videos(env)
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if ucid = env.params.query["channel_id"]?
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env.redirect "/feed/channel/#{ucid}"
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elsif user = env.params.query["user"]?
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env.redirect "/feed/channel/#{user}"
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elsif plid = env.params.query["playlist_id"]?
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env.redirect "/feed/playlist/#{plid}"
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end
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end
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# Push notifications via PubSub
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def self.push_notifications_get(env)
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verify_token = env.params.url["token"]
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mode = env.params.query["hub.mode"]?
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topic = env.params.query["hub.topic"]?
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challenge = env.params.query["hub.challenge"]?
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if !mode || !topic || !challenge
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haltf env, status_code: 400
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else
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mode = mode.not_nil!
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topic = topic.not_nil!
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challenge = challenge.not_nil!
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end
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case verify_token
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when .starts_with? "v1"
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_, time, nonce, signature = verify_token.split(":")
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data = "#{time}:#{nonce}"
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when .starts_with? "v2"
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time, signature = verify_token.split(":")
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data = "#{time}"
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else
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haltf env, status_code: 400
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end
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# The hub will sometimes check if we're still subscribed after delivery errors,
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# so we reply with a 200 as long as the request hasn't expired
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if Time.utc.to_unix - time.to_i > 432000
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haltf env, status_code: 400
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end
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if OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, data) != signature
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haltf env, status_code: 400
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end
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if ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"]?
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PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.utc, ucid)
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elsif plid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["playlist_id"]?
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Invidious::Database::Playlists.update_subscription_time(plid)
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else
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haltf env, status_code: 400
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end
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env.response.status_code = 200
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challenge
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end
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def self.push_notifications_post(env)
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locale = env.get("preferences").as(Preferences).locale
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token = env.params.url["token"]
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body = env.request.body.not_nil!.gets_to_end
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signature = env.request.headers["X-Hub-Signature"].lchop("sha1=")
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if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body)
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LOGGER.error("/feed/webhook/#{token} : Invalid signature")
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haltf env, status_code: 200
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end
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spawn do
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rss = XML.parse_html(body)
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rss.xpath_nodes("//feed/entry").each do |entry|
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id = entry.xpath_node("videoid").not_nil!.content
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author = entry.xpath_node("author/name").not_nil!.content
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published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
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updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
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video = get_video(id, force_refresh: true)
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# Deliver notifications to `/api/v1/auth/notifications`
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payload = {
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"topic" => video.ucid,
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"videoId" => video.id,
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"published" => published.to_unix,
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}.to_json
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PG_DB.exec("NOTIFY notifications, E'#{payload}'")
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video = ChannelVideo.new({
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id: id,
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title: video.title,
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published: published,
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updated: updated,
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ucid: video.ucid,
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author: author,
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length_seconds: video.length_seconds,
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live_now: video.live_now,
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premiere_timestamp: video.premiere_timestamp,
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views: video.views,
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})
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was_insert = Invidious::Database::ChannelVideos.insert(video, with_premiere_timestamp: true)
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Invidious::Database::Users.add_notification(video) if was_insert
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end
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end
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env.response.status_code = 200
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end
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end
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