Add 'pipe' for proxying assets

pull/633/head
Omar Roth 5 years ago
parent 857c57daba
commit f7dbf2bdd4
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GPG Key ID: B8254FB7EC3D37F2

@ -638,29 +638,44 @@ def cache_annotation(db, id, annotations)
end end
def proxy_file(response, env) def proxy_file(response, env)
if !response.body_io?
return
end
if response.headers.includes_word?("Content-Encoding", "gzip") if response.headers.includes_word?("Content-Encoding", "gzip")
Gzip::Writer.open(env.response) do |deflate| Gzip::Writer.open(env.response) do |deflate|
copy_in_chunks(response.body_io, deflate) response.pipe(deflate)
end end
elsif response.headers.includes_word?("Content-Encoding", "deflate") elsif response.headers.includes_word?("Content-Encoding", "deflate")
Flate::Writer.open(env.response) do |deflate| Flate::Writer.open(env.response) do |deflate|
copy_in_chunks(response.body_io, deflate) response.pipe(deflate)
end end
else else
copy_in_chunks(response.body_io, env.response) response.pipe(env.response)
end
end
class HTTP::Client::Response
def pipe(io)
HTTP.serialize_body(io, headers, @body, @body_io, @version)
end end
end end
# https://stackoverflow.com/a/44802810 <3 # Supports serialize_body without first writing headers
def copy_in_chunks(input, output, chunk_size = 4096) module HTTP
size = 1 def self.serialize_body(io, headers, body, body_io, version)
while size > 0 if body
size = IO.copy(input, output, chunk_size) io << body
Fiber.yield elsif body_io
content_length = content_length(headers)
if content_length
copied = IO.copy(body_io, io)
if copied != content_length
raise ArgumentError.new("Content-Length header is #{content_length} but body had #{copied} bytes")
end
elsif Client::Response.supports_chunked?(version)
headers["Transfer-Encoding"] = "chunked"
serialize_chunked_body(io, body_io)
else
io << body
end
end
end end
end end

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