1 files changed, 178 insertions, 0 deletions
diff --git a/src/invidious.cr b/src/invidious.cr
new file mode 100644
index 00000000..5a1c605a
--- /dev/null
+++ b/src/invidious.cr
@@ -0,0 +1,178 @@
+require "http/client"
+require "json"
+require "kemal"
+require "pg"
+require "xml"
+
+class AdaptiveFmts
+  JSON.mapping(
+    clen: Int32,
+    url: String,
+    lmt: Int64,
+    index: String,
+    fps: Int32,
+    itag: Int32,
+    projection_type: Int32,
+    size: String,
+    init: String,
+    quality_label: String,
+    bitrate: Int32,
+    type: String
+  )
+end
+
+class URLEncodedFmtStreamMap
+  JSON.mapping(
+    url: String,
+    itag: Int32,
+    fallback_host: String,
+    quality: String,
+    type: String
+  )
+end
+
+class CaptionTracks
+  JSON.mapping(
+    v: String,
+    lc: String,
+    t: String,
+    u: String
+  )
+end
+
+class CaptionTranslationLanguages
+  JSON.mapping(
+    lc: String,
+    n: String
+  )
+end
+
+class VideoInfo
+  JSON.mapping(
+    cver: String,
+    length_seconds: Int32,
+    iurlhq720: String,
+    vm: String,
+    ypc_ad_indicator: Int32,
+    hash_cc: Bool,
+    dashmpd: String,
+    iv3_module: Int32,
+    iurlmq: String,
+    no_get_video_log: Int32,
+    cc_font: Int32,
+    allowed_ads: String,
+    oid: String,
+    iv_invideo_url: String,
+    cc_asr: Int32,
+    relative_loudness: Float64,
+    video_verticals: String,
+    default_audio_track_index: Int32,
+    loudness: Float64,
+    ptchn: String,
+    csn: String,
+    pltype: String,
+    author: String,
+    # caption_audio_tracks:
+    videostats_playback_base_url: String,
+    root_ve_type: String,
+    muted: Int32,
+    cc3_module: Int32,
+    adaptive_fmts: AdaptiveFmts,
+    fmt_list: Array(String),
+    allow_embed: Int32,
+    iurlhq: String,
+    use_cipher_signature: Bool,
+    status: String,
+    video_id: String,
+    idpj: Int32,
+    iurlhmaxres: String,
+    short_view_count_text: String,
+    iv_load_policy: Int32,
+    plid: String,
+    vss_host: String,
+    ttsurl: String,
+    token: String,
+    account_playback_token: String,
+    of: String,
+    iurl: String,
+    iurlsd: String,
+    c: String,
+    timestamp: Int32,
+    url_encoded_fmt_stream_map: URLEncodedFmtStreamMap,
+    allow_ratings: Int32,
+    view_count: Int64,
+    title: String,
+    caption_tracks: CaptionTracks,
+    fexp: Array(String),
+    storyboard_spec: String,
+    keywords: Array(String),
+    ucid: String,
+    remarketing_url: String,
+    caption_translation_languages: CaptionTranslationLanguages,
+    avg_rating: Float64,
+    is_listed: Int32,
+    ptk: String,
+    cl: Int32,
+    watermark: Array(String),
+    ldpj: Int32,
+    tmi: Int32,
+    eventid: String,
+    thumbnail_url: String
+  )
+end
+
+macro templated(filename)
+  render "src/views/#{{{filename}}}.ecr", "src/views/layout.ecr"
+end
+
+context = OpenSSL::SSL::Context::Client.insecure
+
+# client = HTTP::Client.new("www.youtube.com", 443, context)
+# video_id = "Vufba_ZcoR0"
+# video_info = client.get("/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en").body
+# p VideoInfo.from_json(video_info)
+
+get "/" do |env|
+  templated "index"
+end
+
+get "/watch/:video_id" do |env|
+  video_id = env.params.url["video_id"]
+
+  client = HTTP::Client.new("www.youtube.com", 443, context)
+  video_info = client.get("/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en").body
+  video_info = HTTP::Params.parse(video_info)
+  pageContent = client.get("/watch?v=#{video_id}").body
+  doc = XML.parse(pageContent)
+
+  fmt_stream = [] of HTTP::Params
+  video_info["url_encoded_fmt_stream_map"].split(",") do |string|
+    fmt_stream << HTTP::Params.parse(string)
+  end
+
+  fmt_stream.reverse! # We want lowest quality first
+  # css query [title="I like this"] > span
+  likes = doc.xpath_node(%q(//button[@title="I like this"]/span))
+  if likes
+    likes = likes.content.delete(",").to_i
+  else
+    likes = 1
+  end
+
+  # css query [title="I dislike this"] > span
+  dislikes = doc.xpath_node(%q(//button[@title="I dislike this"]/span))
+  if dislikes
+    dislikes = dislikes.content.delete(",").to_i
+  else
+    dislikes = 1
+  end
+
+  engagement = ((dislikes.to_f32 + likes.to_f32)*100 / video_info["view_count"].to_f32).significant(2)
+  calculated_rating = likes.to_f32/(likes.to_f32 + dislikes.to_f32)*4 + 1
+
+  templated "watch"
+end
+
+public_folder "assets"
+
+Kemal.run