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###
# Open http://localhost:3000/test.php to trigger proxy
###
class RackPhpProxy < Rack::Proxy
def perform_request(env)
request = Rack::Request.new(env)
if request.path =~ %r{\.php}
env["HTTP_HOST"] = ENV["HTTP_HOST"] ? URI(ENV["HTTP_HOST"]).host : "localhost"
ENV["PHP_PATH"] ||= '/manual/en/tutorial.firstpage.php'
# Rails 3 & 4
env["REQUEST_PATH"] = ENV["PHP_PATH"] || "/php/#{request.fullpath}"
# Rails 5 and above
env['PATH_INFO'] = ENV["PHP_PATH"] || "/php/#{request.fullpath}"
env['content-length'] = nil
super(env)
else
@app.call(env)
end
end
def rewrite_response(triplet)
status, headers, body = triplet
# if you proxy depending on the backend, it appears that content-length isn't calculated correctly
# resulting in only partial responses being sent to users
# you can remove it or recalculate it here
headers["content-length"] = nil
triplet
end
end
Rails.application.config.middleware.use RackPhpProxy, backend: ENV["HTTP_HOST"]='http://php.net', streaming: false
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