# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2022-2023, by Samuel Williams.
module Rackup
module Handler
class CGI
include Rack
def self.run(app, **options)
$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_INPUT => $stdin,
RACK_ERRORS => $stderr,
RACK_URL_SCHEME => ["yes", "on", "1"].include?(ENV[HTTPS]) ? "https" : "http"
)
env[QUERY_STRING] ||= ""
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
register :cgi, CGI
end
end
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