Use IO::Memory for creating continuation tokens
This commit is contained in:
Omar Roth
parent
ed8a9af355
commit
276662a147
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@ -24,25 +24,25 @@ describe "Helpers" do
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describe "#produce_channel_search_url" do
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it "correctly produces token for searching a specific channel" do
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produce_channel_search_url("UCXuqSBlHAE6Xw-yeJA0Tunw", "", 100).should eq("/browse_ajax?continuation=4qmFsgI-EhhVQ1h1cVNCbEhBRTZYdy15ZUpBMFR1bncaIEVnWnpaV0Z5WTJnd0FqZ0JZQUZxQUxnQkFIb0RNVEF3WgA%3D")
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produce_channel_search_url("UCXuqSBlHAE6Xw-yeJA0Tunw", "", 100).should eq("/browse_ajax?continuation=4qmFsgI-EhhVQ1h1cVNCbEhBRTZYdy15ZUpBMFR1bncaIEVnWnpaV0Z5WTJnd0FqZ0JZQUZxQUxnQkFIb0RNVEF3WgA%3D&gl=US&hl=en")
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produce_channel_search_url("UCXuqSBlHAE6Xw-yeJA0Tunw", "По ожиशुपतिरपि子而時ஸ்றீனி", 0).should eq("/browse_ajax?continuation=4qmFsgJZEhhVQ1h1cVNCbEhBRTZYdy15ZUpBMFR1bncaJEVnWnpaV0Z5WTJnd0FqZ0JZQUZxQUxnQkFIb0JNQSUzRCUzRFoX0J_QviDQvtC20LjgpLbgpYHgpKrgpKTgpL_gpLDgpKrgpL_lrZDogIzmmYLgrrjgr43grrHgr4Dgrqngrr8%3D")
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produce_channel_search_url("UCXuqSBlHAE6Xw-yeJA0Tunw", "По ожиशुपतिरपि子而時ஸ்றீனி", 0).should eq("/browse_ajax?continuation=4qmFsgJZEhhVQ1h1cVNCbEhBRTZYdy15ZUpBMFR1bncaJEVnWnpaV0Z5WTJnd0FqZ0JZQUZxQUxnQkFIb0JNQSUzRCUzRFoX0J_QviDQvtC20LjgpLbgpYHgpKrgpKTgpL_gpLDgpKrgpL_lrZDogIzmmYLgrrjgr43grrHgr4Dgrqngrr8%3D&gl=US&hl=en")
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end
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end
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describe "#produce_playlist_url" do
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it "correctly produces url for requesting index `x` of a playlist" do
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produce_playlist_url("UUCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIsEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoOZWdaUVZEcERRVUUlM0Q%3D")
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produce_playlist_url("UUCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIsEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoOZWdaUVZEcERRVUUlM0Q%3D&gl=US&hl=en")
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produce_playlist_url("UCCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIsEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoOZWdaUVZEcERRVUUlM0Q%3D")
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produce_playlist_url("UCCla9fZca4I7KagBtgRGnOw", 0).should eq("/browse_ajax?continuation=4qmFsgIsEhpWTFVVQ2xhOWZaY2E0STdLYWdCdGdSR25PdxoOZWdaUVZEcERRVUUlM0Q%3D&gl=US&hl=en")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 0).should eq("/browse_ajax?continuation=4qmFsgI2EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDmVnWlFWRHBEUVVFJTNE")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 0).should eq("/browse_ajax?continuation=4qmFsgI2EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDmVnWlFWRHBEUVVFJTNE&gl=US&hl=en")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 10000).should eq("/browse_ajax?continuation=4qmFsgI0EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDGVnZFFWRHBEU2tKUA%3D%3D")
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produce_playlist_url("PLt5AfwLFPxWLNVixpe1w3fi6lE2OTq0ET", 10000).should eq("/browse_ajax?continuation=4qmFsgI0EiRWTFBMdDVBZndMRlB4V0xOVml4cGUxdzNmaTZsRTJPVHEwRVQaDGVnZFFWRHBEU2tKUA%3D%3D&gl=US&hl=en")
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produce_playlist_url("PL55713C70BA91BD6E", 0).should eq("/browse_ajax?continuation=4qmFsgImEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoOZWdaUVZEcERRVUUlM0Q%3D")
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produce_playlist_url("PL55713C70BA91BD6E", 0).should eq("/browse_ajax?continuation=4qmFsgImEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoOZWdaUVZEcERRVUUlM0Q%3D&gl=US&hl=en")
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produce_playlist_url("PL55713C70BA91BD6E", 10000).should eq("/browse_ajax?continuation=4qmFsgIkEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoMZWdkUVZEcERTa0pQ")
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produce_playlist_url("PL55713C70BA91BD6E", 10000).should eq("/browse_ajax?continuation=4qmFsgIkEhRWTFBMNTU3MTNDNzBCQTkxQkQ2RRoMZWdkUVZEcERTa0pQ&gl=US&hl=en")
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end
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end
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@ -202,50 +202,58 @@ def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "
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timestamp = seed - (page - 1).months
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page = "#{timestamp.to_unix}"
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switch = "\x36"
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switch = 0x36
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else
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page = "#{page}"
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switch = "\x00"
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switch = 0x00
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end
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meta = "\x12\x06videos"
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meta += "\x30\x02"
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meta += "\x38\x01"
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meta += "\x60\x01"
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meta += "\x6a\x00"
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meta += "\xb8\x01\x00"
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meta += "\x20#{switch}"
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meta += "\x7a"
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meta += page.size.to_u8.unsafe_chr
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meta += page
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meta = IO::Memory.new
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meta.write(Bytes[0x12, 0x06])
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meta.print("videos")
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meta.write(Bytes[0x30, 0x02])
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meta.write(Bytes[0x38, 0x01])
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meta.write(Bytes[0x60, 0x01])
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meta.write(Bytes[0x6a, 0x00])
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meta.write(Bytes[0xb8, 0x01, 0x00])
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meta.write(Bytes[0x20, switch, 0x7a, page.size])
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meta.print(page)
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case sort_by
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when "newest"
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# Empty tags can be omitted
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# meta += "\x18\x00"
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# meta.write(Bytes[0x18,0x00])
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when "popular"
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meta += "\x18\x01"
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meta.write(Bytes[0x18, 0x01])
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when "oldest"
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meta += "\x18\x02"
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meta.write(Bytes[0x18, 0x02])
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end
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meta = Base64.urlsafe_encode(meta)
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meta.rewind
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meta = Base64.urlsafe_encode(meta.to_slice)
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meta = URI.escape(meta)
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continuation = "\x12"
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continuation += ucid.size.to_u8.unsafe_chr
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continuation += ucid
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continuation += "\x1a"
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continuation += meta.size.to_u8.unsafe_chr
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continuation += meta
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continuation = IO::Memory.new
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continuation.write(Bytes[0x12, ucid.size])
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continuation.print(ucid)
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continuation = continuation.size.to_u8.unsafe_chr + continuation
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continuation = "\xe2\xa9\x85\xb2\x02" + continuation
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continuation.write(Bytes[0x1a, meta.size])
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continuation.print(meta)
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continuation = Base64.urlsafe_encode(continuation)
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continuation = URI.escape(continuation)
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continuation.rewind
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continuation = continuation.gets_to_end
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url = "/browse_ajax?continuation=#{continuation}&gl=US&hl=en"
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wrapper = IO::Memory.new
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wrapper.write(Bytes[0xe2, 0xa9, 0x85, 0xb2, 0x02, continuation.size])
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wrapper.print(continuation)
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wrapper.rewind
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wrapper = Base64.urlsafe_encode(wrapper.to_slice)
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wrapper = URI.escape(wrapper)
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url = "/browse_ajax?continuation=#{wrapper}&gl=US&hl=en"
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return url
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end
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@ -282,7 +282,7 @@ def write_var_int(value : Int)
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end
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end
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return bytes
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return Slice.new(bytes.to_unsafe, bytes.size)
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end
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def sha256(text)
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@ -126,32 +126,37 @@ def produce_playlist_url(id, index)
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end
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ucid = "VL" + id
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meta = [0x08_u8] + write_var_int(index)
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meta = Slice.new(meta.to_unsafe, meta.size)
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meta = Base64.urlsafe_encode(meta, false)
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meta = IO::Memory.new
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meta.write(Bytes[0x08])
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meta.write(write_var_int(index))
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meta.rewind
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meta = Base64.urlsafe_encode(meta.to_slice, false)
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meta = "PT:#{meta}"
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wrapped = "\x7a"
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wrapped += meta.bytes.size.unsafe_chr
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wrapped += meta
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continuation = IO::Memory.new
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continuation.write(Bytes[0x7a, meta.size])
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continuation.print(meta)
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wrapped = Base64.urlsafe_encode(wrapped)
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meta = URI.escape(wrapped)
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continuation.rewind
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meta = Base64.urlsafe_encode(continuation.to_slice)
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meta = URI.escape(meta)
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continuation = "\x12"
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continuation += ucid.size.unsafe_chr
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continuation += ucid
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continuation += "\x1a"
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continuation += meta.bytes.size.unsafe_chr
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continuation += meta
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continuation = IO::Memory.new
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continuation.write(Bytes[0x12, ucid.size])
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continuation.print(ucid)
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continuation.write(Bytes[0x1a, meta.size])
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continuation.print(meta)
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continuation = continuation.size.to_u8.unsafe_chr + continuation
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continuation = "\xe2\xa9\x85\xb2\x02" + continuation
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wrapper = IO::Memory.new
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wrapper.write(Bytes[0xe2, 0xa9, 0x85, 0xb2, 0x02, continuation.size])
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wrapper.print(continuation)
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wrapper.rewind
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continuation = Base64.urlsafe_encode(continuation)
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continuation = URI.escape(continuation)
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wrapper = Base64.urlsafe_encode(wrapper.to_slice)
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wrapper = URI.escape(wrapper)
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url = "/browse_ajax?continuation=#{continuation}"
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url = "/browse_ajax?continuation=#{wrapper}&gl=US&hl=en"
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return url
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end
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@ -203,36 +203,45 @@ end
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def produce_channel_search_url(ucid, query, page)
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page = "#{page}"
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meta = "\x12\x06search"
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meta += "\x30\x02"
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meta += "\x38\x01"
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meta += "\x60\x01"
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meta += "\x6a\x00"
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meta += "\xb8\x01\x00"
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meta += "\x7a"
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meta += page.size.unsafe_chr
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meta += page
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meta = IO::Memory.new
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meta.write(Bytes[0x12, 0x06])
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meta.print("search")
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meta = Base64.urlsafe_encode(meta)
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meta.write(Bytes[0x30, 0x02])
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meta.write(Bytes[0x38, 0x01])
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meta.write(Bytes[0x60, 0x01])
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meta.write(Bytes[0x6a, 0x00])
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meta.write(Bytes[0xb8, 0x01, 0x00])
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meta.write(Bytes[0x7a, page.size])
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meta.print(page)
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meta.rewind
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meta = Base64.urlsafe_encode(meta.to_slice)
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meta = URI.escape(meta)
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continuation = "\x12"
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continuation += ucid.size.unsafe_chr
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continuation += ucid
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continuation += "\x1a"
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continuation += meta.size.unsafe_chr
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continuation += meta
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continuation += "\x5a"
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continuation += query.size.unsafe_chr
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continuation += query
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continuation = IO::Memory.new
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continuation.write(Bytes[0x12, ucid.size])
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continuation.print(ucid)
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continuation = continuation.size.unsafe_chr + continuation
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continuation = "\xe2\xa9\x85\xb2\x02" + continuation
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continuation.write(Bytes[0x1a, meta.size])
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continuation.print(meta)
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continuation = Base64.urlsafe_encode(continuation)
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continuation = URI.escape(continuation)
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continuation.write(Bytes[0x5a, query.size])
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continuation.print(query)
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url = "/browse_ajax?continuation=#{continuation}"
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continuation.rewind
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continuation = continuation.gets_to_end
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wrapper = IO::Memory.new
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wrapper.write(Bytes[0xe2, 0xa9, 0x85, 0xb2, 0x02, continuation.size])
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wrapper.print(continuation)
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wrapper.rewind
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wrapper = Base64.urlsafe_encode(wrapper.to_slice)
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wrapper = URI.escape(wrapper)
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url = "/browse_ajax?continuation=#{wrapper}&gl=US&hl=en"
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return url
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end
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