Directness in request has two meanings: unambiguity and coerciveness, which contributes to clear communication but threatens face, hence hurting the relations between speakers and hearers.
「直接」在请求中有两层含义:清楚明了和强求。直截了当可明确表达请求但却不礼貌,可能伤害双方关系。
The interceptor is asked if it can authenticate a certain request or not; in this case you check if valid user credentials are sent in request cookies.
In other words, is a party in request the other one or more parties or the broad masses of the people is answerable to the party, obey the party's command.