forked from midou/invidious
Replace signature function with generic catchall
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225625a0fb
commit
13ef4440d0
@ -175,54 +175,24 @@ def search(query, client)
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end
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end
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def swap(a, b)
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def splice(a, b)
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c = a[0]
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a[0] = a[b % a.size]
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a[b % a.size] = c
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return a
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end
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def decrypt_signature(a, base)
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def decrypt_signature(a)
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a = a.split("")
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case base
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when "vflG9lb96"
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a = swap(a, 26)
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a.reverse!
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a = swap(a, 8)
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a = swap(a, 61)
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when "vflxuxnEY"
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a.delete_at(0..2)
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a.reverse!
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c = a[0]
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a[0] = a[49 % a.size]
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a[49] = c
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when "vflAXQwEj"
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a = swap(a, 26)
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a.reverse!
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a = swap(a, 8)
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a = swap(a, 61)
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when "vflNpPGQq"
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a = swap(a, 26)
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a.reverse!
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a = swap(a, 8)
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a = swap(a, 61)
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when "vflCCoUi2"
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a = swap(a, 26)
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a.reverse!
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a = swap(a, 8)
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a = swap(a, 61)
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when "vflg4IfMn"
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a = swap(a, 6)
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a = swap(a, 64)
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a = swap(a, 25)
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a = swap(a, 53)
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a.delete_at(0..1)
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a.reverse!
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a.delete_at(0..2)
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else
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raise "Could not decrypt signature for player #{base}"
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end
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a.delete_at(0..1)
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a = splice(a, 2)
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a = splice(a, 51)
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a = splice(a, 9)
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a.delete_at(0..1)
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a.reverse!
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a = splice(a, 15)
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a.delete_at(0..2)
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return a.join("")
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end
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@ -177,34 +177,9 @@ get "/watch" do |env|
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fmt_stream << HTTP::Params.parse(string)
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end
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base = nil
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signature = false
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if fmt_stream[0]? && fmt_stream[0]["s"]?
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base = video.html.xpath_node(%q(//script[@name="player/base"]))
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if !base
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base = video.html.xpath_node(%q(//script[@name="player_ias/base"]))
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end
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if !base
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error_message = "Could not find signature for #{video.id}"
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next templated "error"
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end
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base = base["src"]
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base = base.split("/")[3].split("-")[1]
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begin
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decrypt_signature(fmt_stream[0]["s"], base)
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rescue ex
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error_message = ex.message
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next templated "error"
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end
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end
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fmt_stream.each do |fmt|
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if base
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fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], base)
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end
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signature = true
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end
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# We want lowest quality first
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@ -217,9 +192,13 @@ get "/watch" do |env|
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end
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end
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adaptive_fmts.each do |fmt|
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if base
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fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], base)
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if signature
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adaptive_fmts.each do |fmt|
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fmt["url"] += "&signature=" + decrypt_signature(fmt["s"])
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end
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fmt_stream.each do |fmt|
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fmt["url"] += "&signature=" + decrypt_signature(fmt["s"])
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end
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end
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