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50d85436f8
WEBrick::HTTPProxyServer implementes HTTP proxy using WEBrick and Net::HTTP. WEBrick accepts HTTP/1.0 clients and Net::HTTP uses always HTTP/1.1. However HTTP/1.1 supports chunked transfer coding HTTP/1.0 doesn't. Chunked transfer coding doesn't require that content-length before the content is sent. But non-chunked transfer coding require content-length before the content is sent. So, when HTTP/1.0 clients connects WEBrick::HTTPProxyServer and origin server returns chunked response, WEBrick::HTTPProxyServer needs to store whole content to know the length of it. This patch do it using tempfile.