Fix chunk size for livestreams
This commit is contained in:
Omar Roth
parent
8033d1ca6d
commit
1277c3d156
1 changed files with 103 additions and 77 deletions
180
src/invidious.cr
180
src/invidious.cr
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@ -4429,6 +4429,7 @@ get "/api/manifest/hls_variant/*" do |env|
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manifest
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end
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# TODO: Fix redirect for local streams
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get "/api/manifest/hls_playlist/*" do |env|
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client = make_client(YT_URL)
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manifest = client.get(env.request.path)
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@ -4641,93 +4642,118 @@ get "/videoplayback" do |env|
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next
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end
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content_length = nil
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first_chunk = true
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range_start, range_end = parse_range(env.request.headers["Range"]?)
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chunk_start = range_start
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chunk_end = range_end
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if !chunk_end || chunk_end - chunk_start > HTTP_CHUNK_SIZE
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chunk_end = chunk_start + HTTP_CHUNK_SIZE - 1
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end
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# TODO: Record bytes written so we can restart after a chunk fails
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while true
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if !range_end && content_length
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range_end = content_length
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end
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if range_end && chunk_start > range_end
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break
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end
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if range_end && chunk_end > range_end
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chunk_end = range_end
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end
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headers["Range"] = "bytes=#{chunk_start}-#{chunk_end}"
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client = make_client(URI.parse(host), region)
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if url.includes? "&file=seg.ts"
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begin
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client = make_client(URI.parse(host), region)
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client.get(url, headers) do |response|
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if first_chunk
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if !env.request.headers["Range"]? && response.status_code == 206
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env.response.status_code = 200
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else
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env.response.status_code = response.status_code
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end
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response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key) && key != "Content-Range"
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env.response.headers[key] = value
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end
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end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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if location = response.headers["Location"]?
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location = URI.parse(location)
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location = "#{location.full_path}&host=#{location.host}"
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if region
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location += "®ion=#{region}"
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end
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env.redirect location
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break
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end
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if title = query_params["title"]?
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# https://blog.fastmail.com/2011/06/24/download-non-english-filenames/
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env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}"
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end
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if !response.headers.includes_word?("Transfer-Encoding", "chunked")
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content_length = response.headers["Content-Range"].split("/")[-1].to_i64
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if env.request.headers["Range"]?
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env.response.headers["Content-Range"] = "bytes #{range_start}-#{range_end || (content_length - 1)}/#{content_length}"
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env.response.content_length = ((range_end.try &.+ 1) || content_length) - range_start
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else
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env.response.content_length = content_length
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end
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response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key)
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env.response.headers[key] = value
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end
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end
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proxy_file(response, env)
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end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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# For livestream segments, break after first chunk
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if url.includes? "&file=seg.ts"
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break
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if location = response.headers["Location"]?
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location = URI.parse(location)
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location = "#{location.full_path}&host=#{location.host}"
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if region
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location += "®ion=#{region}"
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end
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next env.redirect location
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end
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IO.copy(response.body_io, env.response)
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end
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rescue ex
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if ex.message != "Error reading socket: Connection reset by peer"
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break
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end
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end
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else
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content_length = nil
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first_chunk = true
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range_start, range_end = parse_range(env.request.headers["Range"]?)
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chunk_start = range_start
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chunk_end = range_end
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if !chunk_end || chunk_end - chunk_start > HTTP_CHUNK_SIZE
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chunk_end = chunk_start + HTTP_CHUNK_SIZE - 1
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end
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chunk_start = chunk_end + 1
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chunk_end += HTTP_CHUNK_SIZE
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first_chunk = false
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# TODO: Record bytes written so we can restart after a chunk fails
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while true
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if !range_end && content_length
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range_end = content_length
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end
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if range_end && chunk_start > range_end
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break
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end
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if range_end && chunk_end > range_end
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chunk_end = range_end
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end
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headers["Range"] = "bytes=#{chunk_start}-#{chunk_end}"
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begin
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client = make_client(URI.parse(host), region)
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client.get(url, headers) do |response|
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if first_chunk
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if !env.request.headers["Range"]? && response.status_code == 206
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env.response.status_code = 200
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else
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env.response.status_code = response.status_code
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end
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response.headers.each do |key, value|
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if !RESPONSE_HEADERS_BLACKLIST.includes?(key) && key != "Content-Range"
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env.response.headers[key] = value
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end
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end
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env.response.headers["Access-Control-Allow-Origin"] = "*"
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if location = response.headers["Location"]?
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location = URI.parse(location)
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location = "#{location.full_path}&host=#{location.host}"
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if region
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location += "®ion=#{region}"
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end
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env.redirect location
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break
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end
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if title = query_params["title"]?
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# https://blog.fastmail.com/2011/06/24/download-non-english-filenames/
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env.response.headers["Content-Disposition"] = "attachment; filename=\"#{URI.escape(title)}\"; filename*=UTF-8''#{URI.escape(title)}"
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end
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if !response.headers.includes_word?("Transfer-Encoding", "chunked")
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content_length = response.headers["Content-Range"].split("/")[-1].to_i64
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if env.request.headers["Range"]?
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env.response.headers["Content-Range"] = "bytes #{range_start}-#{range_end || (content_length - 1)}/#{content_length}"
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env.response.content_length = ((range_end.try &.+ 1) || content_length) - range_start
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else
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env.response.content_length = content_length
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end
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end
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end
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proxy_file(response, env)
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end
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rescue ex
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if ex.message != "Error reading socket: Connection reset by peer"
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break
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end
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end
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chunk_start = chunk_end + 1
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chunk_end += HTTP_CHUNK_SIZE
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first_chunk = false
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end
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end
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end
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