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Refactor continuation protocol buffers

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This commit is contained in:
Omar Roth
2019-07-20 20:18:08 -05:00
parent e736626953
commit f18d8229c0
6 changed files with 298 additions and 268 deletions
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119
src/invidious/comments.cr
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@@ -564,108 +564,105 @@ def content_to_comment_html(content)
end
def produce_comment_continuation(video_id, cursor = "", sort_by = "top")
continuation = IO::Memory.new
data = IO::Memory.new
continuation.write(Bytes[0x12, 0x26])
data.write Bytes[0x12, 0x26]
continuation.write(Bytes[0x12, video_id.size])
continuation.print(video_id)
data.write_byte 0x12
VarInt.to_io(data, video_id.bytesize)
data.print video_id
continuation.write(Bytes[0xc0, 0x01, 0x01])
continuation.write(Bytes[0xc8, 0x01, 0x01])
continuation.write(Bytes[0xe0, 0x01, 0x01])
data.write Bytes[0xc0, 0x01, 0x01]
data.write Bytes[0xc8, 0x01, 0x01]
data.write Bytes[0xe0, 0x01, 0x01]
continuation.write(Bytes[0xa2, 0x02, 0x0d])
continuation.write(Bytes[0x28, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01])
data.write Bytes[0xa2, 0x02, 0x0d]
data.write Bytes[0x28, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01]
continuation.write(Bytes[0x40, 0x00])
continuation.write(Bytes[0x18, 0x06])
data.write Bytes[0x40, 0x00]
data.write Bytes[0x18, 0x06]
if cursor.empty?
continuation.write(Bytes[0x32])
continuation.write(write_var_int(video_id.size + 8))
data.write Bytes[0x32]
VarInt.to_io(data, cursor.bytesize + video_id.bytesize + 8)
continuation.write(Bytes[0x22, video_id.size + 4])
continuation.write(Bytes[0x22, video_id.size])
continuation.print(video_id)
data.write Bytes[0x22, video_id.bytesize + 4]
data.write Bytes[0x22, video_id.bytesize]
data.print video_id
case sort_by
when "top"
continuation.write(Bytes[0x30, 0x00])
data.write Bytes[0x30, 0x00]
when "new", "newest"
continuation.write(Bytes[0x30, 0x01])
data.write Bytes[0x30, 0x01]
end
continuation.write(Bytes[0x78, 0x02])
data.write(Bytes[0x78, 0x02])
else
continuation.write(Bytes[0x32])
continuation.write(write_var_int(cursor.size + video_id.size + 11))
data.write Bytes[0x32]
VarInt.to_io(data, cursor.bytesize + video_id.bytesize + 11)
continuation.write(Bytes[0x0a])
continuation.write(write_var_int(cursor.size))
continuation.print(cursor)
data.write_byte 0x0a
VarInt.to_io(data, cursor.bytesize)
data.print cursor
continuation.write(Bytes[0x22, video_id.size + 4])
continuation.write(Bytes[0x22, video_id.size])
continuation.print(video_id)
data.write Bytes[0x22, video_id.bytesize + 4]
data.write Bytes[0x22, video_id.bytesize]
data.print video_id
case sort_by
when "top"
continuation.write(Bytes[0x30, 0x00])
data.write Bytes[0x30, 0x00]
when "new", "newest"
continuation.write(Bytes[0x30, 0x01])
data.write Bytes[0x30, 0x01]
end
continuation.write(Bytes[0x28, 0x14])
data.write Bytes[0x28, 0x14]
end
continuation.rewind
continuation = continuation.gets_to_end
continuation = Base64.urlsafe_encode(continuation.to_slice)
continuation = Base64.urlsafe_encode(data)
continuation = URI.escape(continuation)
return continuation
end
def produce_comment_reply_continuation(video_id, ucid, comment_id)
continuation = IO::Memory.new
data = IO::Memory.new
continuation.write(Bytes[0x12, 0x26])
data.write Bytes[0x12, 0x26]
continuation.write(Bytes[0x12, video_id.size])
continuation.print(video_id)
data.write_byte 0x12
VarInt.to_io(data, video_id.size)
data.print video_id
continuation.write(Bytes[0xc0, 0x01, 0x01])
continuation.write(Bytes[0xc8, 0x01, 0x01])
continuation.write(Bytes[0xe0, 0x01, 0x01])
data.write Bytes[0xc0, 0x01, 0x01]
data.write Bytes[0xc8, 0x01, 0x01]
data.write Bytes[0xe0, 0x01, 0x01]
continuation.write(Bytes[0xa2, 0x02, 0x0d])
continuation.write(Bytes[0x28, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01])
data.write Bytes[0xa2, 0x02, 0x0d]
data.write Bytes[0x28, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01]
continuation.write(Bytes[0x40, 0x00])
continuation.write(Bytes[0x18, 0x06])
data.write Bytes[0x40, 0x00]
data.write Bytes[0x18, 0x06]
continuation.write(Bytes[0x32, ucid.size + video_id.size + comment_id.size + 16])
continuation.write(Bytes[0x1a, ucid.size + video_id.size + comment_id.size + 14])
data.write(Bytes[0x32, ucid.size + video_id.size + comment_id.size + 16])
data.write(Bytes[0x1a, ucid.size + video_id.size + comment_id.size + 14])
continuation.write(Bytes[0x12, comment_id.size])
continuation.print(comment_id)
data.write_byte 0x12
VarInt.to_io(data, comment_id.size)
data.print comment_id
continuation.write(Bytes[0x22, 0x02, 0x08, 0x00]) # ??
data.write(Bytes[0x22, 0x02, 0x08, 0x00]) # ??
continuation.write(Bytes[ucid.size + video_id.size + 7])
continuation.write(Bytes[ucid.size])
continuation.print(ucid)
continuation.write(Bytes[0x32, video_id.size])
continuation.print(video_id)
continuation.write(Bytes[0x40, 0x01])
continuation.write(Bytes[0x48, 0x0a])
data.write(Bytes[ucid.size + video_id.size + 7])
data.write(Bytes[ucid.size])
data.print(ucid)
data.write(Bytes[0x32, video_id.size])
data.print(video_id)
data.write(Bytes[0x40, 0x01])
data.write(Bytes[0x48, 0x0a])
continuation.rewind
continuation = continuation.gets_to_end
continuation = Base64.urlsafe_encode(continuation.to_slice)
continuation = Base64.urlsafe_encode(data.to_slice)
continuation = URI.escape(continuation)
return continuation