# File lib/rack/auth/digest/md5.rb, line 33 33: def call(env) 34: auth = Request.new(env) 35: 36: unless auth.provided? 37: return unauthorized 38: end 39: 40: if !auth.digest? || !auth.correct_uri? || !valid_qop?(auth) 41: return bad_request 42: end 43: 44: if valid?(auth) 45: if auth.nonce.stale? 46: return unauthorized(challenge(:stale => true)) 47: else 48: env['REMOTE_USER'] = auth.username 49: 50: return @app.call(env) 51: end 52: end 53: 54: unauthorized 55: end