require 'rack/content_length'
require 'rack/rewindable_input'
module Rack
module Handler
class CGI
def self.run(app, options=nil)
$stdin.binmode
serve app
end
def self.serve(app)
env = ENV.to_hash
env.delete "HTTP_CONTENT_LENGTH"
env["SCRIPT_NAME"] = "" if env["SCRIPT_NAME"] == "/"
env.update({"rack.version" => Rack::VERSION,
"rack.input" => Rack::RewindableInput.new($stdin),
"rack.errors" => $stderr,
"rack.multithread" => false,
"rack.multiprocess" => true,
"rack.run_once" => true,
"rack.url_scheme" => ["yes", "on", "1"].include?(ENV["HTTPS"]) ? "https" : "http"
})
env[QUERY_STRING] ||= ""
env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
env["REQUEST_PATH"] ||= "/"
status, headers, body = app.call(env)
begin
send_headers status, headers
send_body body
ensure
body.close if body.respond_to? :close
end
end
def self.send_headers(status, headers)
$stdout.print "Status: #{status}\r\n"
headers.each { |k, vs|
vs.split("\n").each { |v|
$stdout.print "#{k}: #{v}\r\n"
}
}
$stdout.print "\r\n"
$stdout.flush
end
def self.send_body(body)
body.each { |part|
$stdout.print part
$stdout.flush
}
end
end
end
end
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