in lib/puma/rack/urlmap.rb [44:78]
def call(env)
path = env['PATH_INFO']
script_name = env['SCRIPT_NAME']
http_host = env['HTTP_HOST']
server_name = env['SERVER_NAME']
server_port = env['SERVER_PORT']
is_same_server = casecmp?(http_host, server_name) ||
casecmp?(http_host, "#{server_name}:#{server_port}")
@mapping.each do |host, location, match, app|
unless casecmp?(http_host, host) \
|| casecmp?(server_name, host) \
|| (!host && is_same_server)
next
end
next unless m = match.match(path.to_s)
rest = m[1]
next unless !rest || rest.empty? || rest[0] == ?/
env['SCRIPT_NAME'] = (script_name + location)
env['PATH_INFO'] = rest
return app.call(env)
end
[404, {'Content-Type' => "text/plain", "X-Cascade" => "pass"}, ["Not Found: #{path}"]]
ensure
env['PATH_INFO'] = path
env['SCRIPT_NAME'] = script_name
end