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Forward parameters given in &params= from Atom feeds

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Any parameters given in &params=... are appended to /watch URLs.  This
allows e.g. passing &raw=1&listen=1 to a playlist of music and use an
rss reader like newsboat as a media player, like so:

    https://invidio.us/feed/playlist/XXX?params=%26raw%3D1%listen%3D1

All three feeds--channels, playlists, subscriptions--are supported.
This commit is contained in:
girst 2019-09-07 17:45:37 +02:00
parent 7c75111c41
commit 4aa1180fce
3 changed files with 25 additions and 15 deletions
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18
src/invidious.cr
View File

@ -2630,6 +2630,8 @@ get "/feed/channel/:ucid" do |env|
ucid = env.params.url["ucid"]
params = HTTP::Params.parse(env.params.query["params"]? || "")
begin
channel = get_about_info(ucid, locale)
rescue ex
@ -2690,7 +2692,7 @@ get "/feed/channel/:ucid" do |env|
end
videos.each do |video|
video.to_xml(host_url, channel.auto_generated, xml)
video.to_xml(host_url, channel.auto_generated, params, xml)
end
end
end
@ -2721,6 +2723,8 @@ get "/feed/private" do |env|
page = env.params.query["page"]?.try &.to_i?
page ||= 1
params = HTTP::Params.parse(env.params.query["params"]? || "")
videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
host_url = make_host_url(config, Kemal.config)
@ -2734,7 +2738,7 @@ get "/feed/private" do |env|
xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) }
(notifications + videos).each do |video|
video.to_xml(locale, host_url, xml)
video.to_xml(locale, host_url, params, xml)
end
end
end
@ -2747,6 +2751,8 @@ get "/feed/playlist/:plid" do |env|
plid = env.params.url["plid"]
params = HTTP::Params.parse(env.params.query["params"]? || "")
host_url = make_host_url(config, Kemal.config)
path = env.request.path
@ -2757,10 +2763,10 @@ get "/feed/playlist/:plid" do |env|
document.xpath_nodes(%q(//*[@href]|//*[@url])).each do |node|
node.attributes.each do |attribute|
case attribute.name
when "url"
node["url"] = "#{host_url}#{URI.parse(node["url"]).full_path}"
when "href"
node["href"] = "#{host_url}#{URI.parse(node["href"]).full_path}"
when "url", "href"
full_path = URI.parse(node[attribute.name]).full_path
query_string_opt = full_path.starts_with?("/watch?v=") ? "&#{params}" : ""
node[attribute.name] = "#{host_url}#{full_path}#{query_string_opt}"
end
end
end

8
src/invidious/channels.cr
View File

@ -41,13 +41,15 @@ struct ChannelVideo
end
end
def to_xml(locale, host_url, xml : XML::Builder)
def to_xml(locale, host_url, query_params, xml : XML::Builder)
query_params["v"] = self.id
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{self.id}" }
xml.element("yt:videoId") { xml.text self.id }
xml.element("yt:channelId") { xml.text self.ucid }
xml.element("title") { xml.text self.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{self.id}")
xml.element("link", rel: "alternate", href: "#{host_url}/watch?#{query_params}")
xml.element("author") do
xml.element("name") { xml.text self.author }
@ -56,7 +58,7 @@ struct ChannelVideo
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{self.id}") do
xml.element("a", href: "#{host_url}/watch?#{query_params}") do
xml.element("img", src: "#{host_url}/vi/#{self.id}/mqdefault.jpg")
end
end

14
src/invidious/search.cr
View File

@ -1,11 +1,13 @@
struct SearchVideo
def to_xml(host_url, auto_generated, xml : XML::Builder)
def to_xml(host_url, auto_generated, query_params, xml : XML::Builder)
query_params["v"] = self.id
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{self.id}" }
xml.element("yt:videoId") { xml.text self.id }
xml.element("yt:channelId") { xml.text self.ucid }
xml.element("title") { xml.text self.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{self.id}")
xml.element("link", rel: "alternate", href: "#{host_url}/watch?#{query_params}")
xml.element("author") do
if auto_generated
@ -19,7 +21,7 @@ struct SearchVideo
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{self.id}") do
xml.element("a", href: "#{host_url}/watch?#{query_params}") do
xml.element("img", src: "#{host_url}/vi/#{self.id}/mqdefault.jpg")
end
end
@ -40,12 +42,12 @@ struct SearchVideo
end
end
def to_xml(host_url, auto_generated, xml : XML::Builder | Nil = nil)
def to_xml(host_url, auto_generated, query_params, xml : XML::Builder | Nil = nil)
if xml
to_xml(host_url, auto_generated, xml)
to_xml(host_url, auto_generated, query_params, xml)
else
XML.build do |json|
to_xml(host_url, auto_generated, xml)
to_xml(host_url, auto_generated, query_params, xml)
end
end
end