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Add `/videos/:id'

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This commit is contained in:
Omar Roth 2018-07-23 15:09:11 -05:00
parent 965a399492
commit 115a815528
2 changed files with 326 additions and 7 deletions
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227
src/invidious.cr
View file

@ -583,11 +583,15 @@ get "/comments/:id" do |env|
content_text ||= item_comment["contentText"]["runs"][0]["text"].as_s.rchop('\ufeff')
json.field "author", item_comment["authorText"]["simpleText"]
json.field "authorThumbnail" do
json.field "authorThumbnails" do
json.array do
item_comment["authorThumbnail"]["thumbnails"].as_a.each do |thumbnail|
json.object do
json.field "url", item_comment["authorThumbnail"]["thumbnails"][-1]["url"]
json.field "width", item_comment["authorThumbnail"]["thumbnails"][-1]["width"]
json.field "height", item_comment["authorThumbnail"]["thumbnails"][-1]["height"]
json.field "url", thumbnail["url"]
json.field "width", thumbnail["width"]
json.field "height", thumbnail["height"]
end
end
end
end
json.field "authorId", item_comment["authorEndpoint"]["browseEndpoint"]["browseId"]
@ -649,6 +653,221 @@ get "/comments/:id" do |env|
end
end
get "/videos/:id" do |env|
id = env.params.url["id"]
client = make_client(YT_URL)
begin
video = get_video(id, client, PG_DB)
rescue ex
halt env, status_code: 403
end
adaptive_fmts = [] of HTTP::Params
if video.info.has_key?("adaptive_fmts")
video.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
end
fmt_stream = [] of HTTP::Params
video.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
fmt_stream << HTTP::Params.parse(string)
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
fmt_stream.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
player_response = JSON.parse(video.info["player_response"])
if player_response["captions"]?
captions = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
end
captions ||= [] of JSON::Any
env.response.content_type = "application/json"
video_info = JSON.build do |json|
json.object do
json.field "title", video.title
json.field "videoId", video.id
json.field "videoThumbnails" do
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
description = video.description.gsub("<br>", "\n")
description = description.gsub("<br/>", "\n")
description = XML.parse_html(description)
json.field "description", description.content
json.field "descriptionHtml", video.description
json.field "published", video.published.epoch
json.field "keywords" do
json.array do
video.info["keywords"].split(",").each { |keyword| json.string keyword }
end
end
json.field "viewCount", video.views
json.field "likeCount", video.likes
json.field "dislikeCount", video.dislikes
json.field "author", video.author
json.field "authorId", video.ucid
json.field "authorUrl", "/channel/#{video.ucid}"
json.field "lengthSeconds", video.info["length_seconds"].to_i
if video.info["allow_ratings"]?
json.field "allowRatings", video.info["allow_ratings"] == "1"
else
json.field "allowRatings", false
end
json.field "rating", video.info["avg_rating"].to_f32
if video.info["is_listed"]?
json.field "isListed", video.info["is_listed"] == "1"
end
fmt_list = video.info["fmt_list"].split(",").map { |fmt| fmt.split("/")[1] }
fmt_list = Hash.zip(fmt_list.map { |fmt| fmt[0] }, fmt_list.map { |fmt| fmt[1] })
json.field "adaptiveFormats" do
json.array do
adaptive_fmts.each_with_index do |adaptive_fmt, i|
json.object do
json.field "index", adaptive_fmt["index"]
json.field "bitrate", adaptive_fmt["bitrate"]
json.field "init", adaptive_fmt["init"]
json.field "url", adaptive_fmt["url"]
json.field "itag", adaptive_fmt["itag"]
json.field "type", adaptive_fmt["type"]
json.field "clen", adaptive_fmt["clen"]
json.field "lmt", adaptive_fmt["lmt"]
json.field "projectionType", adaptive_fmt["projection_type"]
fmt_info = itag_to_metadata(adaptive_fmt["itag"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
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"])
json.field "container", fmt_info["ext"]
json.field "encoding", fmt_info["vcodec"]? || fmt_info["acodec"]
if fmt_info["fps"]?
json.field "fps", fmt_info["fps"]
end
if fmt_info["height"]?
json.field "qualityLabel", "#{fmt_info["height"]}p"
json.field "resolution", "#{fmt_info["height"]}p"
if fmt_info["width"]?
json.field "size", "#{fmt_info["width"]}x#{fmt_info["height"]}"
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"]
end
end
end
end
json.field "recommendedVideos" do
json.array do
video.info["rvs"].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
json.object do
qualities = [{name: "default", url: "default", width: 120, height: 90},
{name: "high", url: "hqdefault", width: 480, height: 360},
{name: "medium", url: "mqdefault", width: 320, height: 180},
]
qualities.each do |quality|
json.field quality[:name] do
json.object do
json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg"
json.field "width", quality[:width]
json.field "height", quality[:height]
end
end
end
end
end
json.field "author", rv["author"]
json.field "lengthSeconds", rv["length_seconds"]
json.field "viewCountText", rv["short_view_count_text"].rchop(" views")
end
end
end
end
end
end
end
video_info
end
get "/embed/:id" do |env|
if env.params.url["id"]?
id = env.params.url["id"]

100
src/invidious/helpers.cr
View file

@ -1007,3 +1007,103 @@ def generate_captcha(key)
return {challenge: challenge, token: token}
end
def itag_to_metadata(itag : String)
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
formats = {"5" => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
"6" => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
"13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
"17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
"18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
"22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
"37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
# 3D videos
"82" => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"83" => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"84" => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"85" => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
# Apple HTTP Live Streaming
"91" => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"92" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"93" => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"94" => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"95" => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
"96" => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
"132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
# DASH mp4 video
"133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
"134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
"135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
"136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
"137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
"138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https=>//github.com/rg3/youtube-dl/issues/4559)
"160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
"212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
"264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
"298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
"299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
"266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
# Dash mp4 audio
"139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
"140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
"141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
"256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
"258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
"325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
"328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
# Dash webm
"167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
"242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
"243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
"244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
"248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
"271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
# itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
"272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
"302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
"315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
# Dash webm audio
"171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
"172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
# Dash webm audio with opus inside
"249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
"250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
"251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
}
return formats[itag]
end