Add '/api/v1/notifications'

This commit is contained in:
Omar Roth 2019-04-10 17:58:42 -05:00
parent 8614ff40df
commit fb7068d415
4 changed files with 288 additions and 215 deletions

View File

@ -2625,12 +2625,14 @@ get "/feed/webhook/:token" do |env|
end
post "/feed/webhook/:token" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
token = env.params.url["token"]
body = env.request.body.not_nil!.gets_to_end
signature = env.request.headers["X-Hub-Signature"].lchop("sha1=")
if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body)
logger.write("#{token} : Invalid signature")
logger.write("#{token} : Invalid signature\n")
env.response.status_code = 200
next
end
@ -2644,7 +2646,25 @@ post "/feed/webhook/:token" do |env|
updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
video = get_video(id, PG_DB, proxies, region: nil)
video = ChannelVideo.new(id, video.title, published, updated, video.ucid, author, video.length_seconds, video.live_now, video.premiere_timestamp)
# Deliver notifications to `/api/v1/auth/notifications`
payload = {
"key" => video.id,
"topic" => video.ucid,
}.to_json
PG_DB.exec("NOTIFY notifications, E'#{payload}'")
video = ChannelVideo.new(
id: id,
title: video.title,
published: published,
updated: updated,
ucid: video.ucid,
author: author,
length_seconds: video.length_seconds,
live_now: video.live_now,
premiere_timestamp: video.premiere_timestamp,
)
PG_DB.exec("UPDATE users SET notifications = notifications || $1 \
WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, video.ucid)
@ -3184,197 +3204,7 @@ get "/api/v1/videos/:id" do |env|
next error_message
end
fmt_stream = video.fmt_stream(decrypt_function)
adaptive_fmts = video.adaptive_fmts(decrypt_function)
captions = video.captions
video_info = JSON.build do |json|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
generate_thumbnails(json, video.id, config, Kemal.config)
end
json.field "storyboards" do
generate_storyboards(json, video.storyboards, config, Kemal.config)
end
video.description, description = html_to_content(video.description)
json.field "description", description
json.field "descriptionHtml", video.description
json.field "published", video.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(video.published, locale))
json.field "keywords", video.keywords
json.field "viewCount", video.views
json.field "likeCount", video.likes
json.field "dislikeCount", video.dislikes
json.field "paid", video.paid
json.field "premium", video.premium
json.field "isFamilyFriendly", video.is_family_friendly
json.field "allowedRegions", video.allowed_regions
json.field "genre", video.genre
json.field "genreUrl", video.genre_url
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", video.author_thumbnail.gsub("=s48-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCountText", video.sub_count_text
json.field "lengthSeconds", video.info["length_seconds"].to_i
json.field "allowRatings", video.allow_ratings
json.field "rating", video.info["avg_rating"].to_f32
json.field "isListed", video.is_listed
json.field "liveNow", video.live_now
json.field "isUpcoming", video.is_upcoming
if video.premiere_timestamp
json.field "premiereTimestamp", video.premiere_timestamp.not_nil!.to_unix
end
if video.player_response["streamingData"]?.try &.["hlsManifestUrl"]?
host_url = make_host_url(config, Kemal.config)
host_params = env.request.query_params
host_params.delete_all("v")
hlsvp = video.player_response["streamingData"]["hlsManifestUrl"].as_s
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
json.field "hlsUrl", hlsvp
end
json.field "dashUrl", "#{make_host_url(config, Kemal.config)}/api/manifest/dash/id/#{id}"
json.field "adaptiveFormats" do
json.array do
adaptive_fmts.each do |fmt|
json.object do
json.field "index", fmt["index"]
json.field "bitrate", fmt["bitrate"]
json.field "init", fmt["init"]
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "clen", fmt["clen"]
json.field "lmt", fmt["lmt"]
json.field "projectionType", fmt["projection_type"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "formatStreams" do
json.array do
fmt_stream.each do |fmt|
json.object do
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "captions" do
json.array do
captions.each do |caption|
json.object do
json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}"
end
end
end
end
json.field "recommendedVideos" do
json.array do
video.info["rvs"]?.try &.split(",").each do |rv|
rv = HTTP::Params.parse(rv)
if rv["id"]?
json.object do
json.field "videoId", rv["id"]
json.field "title", rv["title"]
json.field "videoThumbnails" do
generate_thumbnails(json, rv["id"], config, Kemal.config)
end
json.field "author", rv["author"]
json.field "lengthSeconds", rv["length_seconds"].to_i
json.field "viewCountText", rv["short_view_count_text"]
end
end
end
end
end
end
end
video_info
video.to_json(locale, config, Kemal.config, decrypt_function)
end
get "/api/v1/trending" do |env|
@ -4289,6 +4119,56 @@ get "/api/v1/mixes/:rdid" do |env|
response
end
get "/api/v1/auth/notifications" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "text/event-stream"
topics = env.params.query["topics"]?.try &.split(",").uniq.first(1000)
topics ||= [] of String
begin
id = 0
spawn do
PG.connect_listen(PG_URL, "notifications") do |event|
notification = JSON.parse(event.payload)
topic = notification["topic"].as_s
key = notification["key"].as_s
response = JSON.parse(get_video(key, PG_DB, proxies).to_json(locale, config, Kemal.config, decrypt_function))
if fields_text = env.params.query["fields"]?
begin
JSONFilter.filter(response, fields_text)
rescue ex
env.response.status_code = 400
response = {"error" => ex.message}
end
end
if topics.try &.includes? topic
env.response.puts "id: #{id}"
env.response.puts "data: #{response.to_json}"
env.response.puts
env.response.flush
id += 1
end
end
end
# Send heartbeat
loop do
env.response.puts ":keepalive #{Time.now.to_unix}"
env.response.puts
env.response.flush
sleep (20 + rand(11)).seconds
end
rescue
end
end
# TODO
# get "/api/v1/auth/preferences" do |env|
# ...

View File

@ -138,16 +138,23 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
premiere_timestamp = channel_video.try &.premiere_timestamp
# Deliver notifications to `/api/v1/auth/notifications`
# payload = {
# "key" => video_id,
# "topic" => ucid,
# }.to_json
# PG_DB.exec("NOTIFY notifications, E'#{payload}'")
video = ChannelVideo.new(
video_id,
title,
published,
Time.now,
ucid,
author,
length_seconds,
live_now,
premiere_timestamp
id: video_id,
title: title,
published: published,
updated: Time.now,
ucid: ucid,
author: author,
length_seconds: length_seconds,
live_now: live_now,
premiere_timestamp: premiere_timestamp
)
db.exec("UPDATE users SET notifications = notifications || $1 \
@ -187,15 +194,15 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
count = nodeset.size
videos = videos.map { |video| ChannelVideo.new(
video.id,
video.title,
video.published,
Time.now,
video.ucid,
video.author,
video.length_seconds,
video.live_now,
video.premiere_timestamp
id: video.id,
title: video.title,
published: video.published,
updated: Time.now,
ucid: video.ucid,
author: video.author,
length_seconds: video.length_seconds,
live_now: video.live_now,
premiere_timestamp: video.premiere_timestamp
) }
videos.each do |video|

View File

@ -57,7 +57,7 @@ class Kemal::ExceptionHandler
end
class FilteredCompressHandler < Kemal::Handler
exclude ["/videoplayback", "/videoplayback/*", "/vi/*", "/ggpht/*"]
exclude ["/videoplayback", "/videoplayback/*", "/vi/*", "/ggpht/*", "/api/v1/auth/notifications"]
def call(env)
return call_next env if exclude_match? env
@ -133,12 +133,17 @@ class APIHandler < Kemal::Handler
{% for method in %w(GET POST PUT HEAD DELETE PATCH OPTIONS) %}
only ["/api/v1/*"], {{method}}
{% end %}
exclude ["/api/v1/auth/notifications"]
def call(env)
return call_next env unless only_match? env
env.response.headers["Access-Control-Allow-Origin"] = "*"
# Since /api/v1/notifications is an event-stream, we don't want
# to wrap the response
return call_next env if exclude_match? env
# Here we swap out the socket IO so we can modify the response as needed
output = env.response.output
env.response.output = IO::Memory.new
@ -152,8 +157,7 @@ class APIHandler < Kemal::Handler
if env.response.headers["Content-Type"]?.try &.== "application/json"
response = JSON.parse(response)
if env.params.query["fields"]?
fields_text = env.params.query["fields"]
if fields_text = env.params.query["fields"]?
begin
JSONFilter.filter(response, fields_text)
rescue ex
@ -168,7 +172,7 @@ class APIHandler < Kemal::Handler
response = response.to_json
end
end
rescue
rescue ex
ensure
env.response.output = output
env.response.puts response

View File

@ -250,6 +250,188 @@ struct Video
end
end
def to_json(locale, config, kemal_config, decrypt_function)
JSON.build do |json|
json.object do
json.field "title", self.title
json.field "videoId", self.id
json.field "videoThumbnails" do
generate_thumbnails(json, self.id, config, kemal_config)
end
json.field "storyboards" do
generate_storyboards(json, self.storyboards, config, kemal_config)
end
json.field "description", html_to_content(self.description)
json.field "descriptionHtml", self.description
json.field "published", self.published.to_unix
json.field "publishedText", translate(locale, "`x` ago", recode_date(self.published, locale))
json.field "keywords", self.keywords
json.field "viewCount", self.views
json.field "likeCount", self.likes
json.field "dislikeCount", self.dislikes
json.field "paid", self.paid
json.field "premium", self.premium
json.field "isFamilyFriendly", self.is_family_friendly
json.field "allowedRegions", self.allowed_regions
json.field "genre", self.genre
json.field "genreUrl", self.genre_url
json.field "author", self.author
json.field "authorId", self.ucid
json.field "authorUrl", "/channel/#{self.ucid}"
json.field "authorThumbnails" do
json.array do
qualities = {32, 48, 76, 100, 176, 512}
qualities.each do |quality|
json.object do
json.field "url", self.author_thumbnail.gsub("=s48-", "=s#{quality}-")
json.field "width", quality
json.field "height", quality
end
end
end
end
json.field "subCountText", self.sub_count_text
json.field "lengthSeconds", self.info["length_seconds"].to_i
json.field "allowRatings", self.allow_ratings
json.field "rating", self.info["avg_rating"].to_f32
json.field "isListed", self.is_listed
json.field "liveNow", self.live_now
json.field "isUpcoming", self.is_upcoming
if self.premiere_timestamp
json.field "premiereTimestamp", self.premiere_timestamp.not_nil!.to_unix
end
if self.player_response["streamingData"]?.try &.["hlsManifestUrl"]?
host_url = make_host_url(config, kemal_config)
hlsvp = self.player_response["streamingData"]["hlsManifestUrl"].as_s
hlsvp = hlsvp.gsub("https://manifest.googlevideo.com", host_url)
json.field "hlsUrl", hlsvp
end
json.field "dashUrl", "#{make_host_url(config, kemal_config)}/api/manifest/dash/id/#{id}"
json.field "adaptiveFormats" do
json.array do
self.adaptive_fmts(decrypt_function).each do |fmt|
json.object do
json.field "index", fmt["index"]
json.field "bitrate", fmt["bitrate"]
json.field "init", fmt["init"]
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "clen", fmt["clen"]
json.field "lmt", fmt["lmt"]
json.field "projectionType", fmt["projection_type"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "formatStreams" do
json.array do
self.fmt_stream(decrypt_function).each do |fmt|
json.object do
json.field "url", fmt["url"]
json.field "itag", fmt["itag"]
json.field "type", fmt["type"]
json.field "quality", fmt["quality"]
fmt_info = itag_to_metadata?(fmt["itag"])
if fmt_info
fps = fmt_info["fps"]?.try &.to_i || fmt["fps"]?.try &.to_i || 30
json.field "fps", fps
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["height"]?
json.field "resolution", "#{fmt_info["height"]}p"
quality_label = "#{fmt_info["height"]}p"
if fps > 30
quality_label += "60"
end
json.field "qualityLabel", quality_label
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
end
end
end
end
end
end
end
json.field "captions" do
json.array do
self.captions.each do |caption|
json.object do
json.field "label", caption.name.simpleText
json.field "languageCode", caption.languageCode
json.field "url", "/api/v1/captions/#{id}?label=#{URI.escape(caption.name.simpleText)}"
end
end
end
end
json.field "recommendedVideos" do
json.array do
self.info["rvs"]?.try &.split(",").each do |rv|
rv = HTTP::Params.parse(rv)
if rv["id"]?
json.object do
json.field "videoId", rv["id"]
json.field "title", rv["title"]
json.field "videoThumbnails" do
generate_thumbnails(json, rv["id"], config, kemal_config)
end
json.field "author", rv["author"]
json.field "lengthSeconds", rv["length_seconds"].to_i
json.field "viewCountText", rv["short_view_count_text"]
end
end
end
end
end
end
end
end
def allow_ratings
allow_ratings = player_response["videoDetails"]?.try &.["allowRatings"]?.try &.as_bool