content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package com.aliyun.api.gateway.demo.constant;
  
  /**
   * 系统HTTP头常量
   */
  public class SystemHeader {
      //签名Header
      public static final String X_CA_SIGNATURE = "X-Ca-Signature";
      //所有参与签名的Header
      public static final String X_CA_SIGNATURE_HEADERS = "X-Ca-Signature-Headers";
      //请求时间戳
      public static final String X_CA_TIMESTAMP = "X-Ca-Timestamp";
      //请求放重放Nonce,15分钟内保持唯一,建议使用UUID
      public static final String X_CA_NONCE = "X-Ca-Nonce";
      //APP KEY
      public static final String X_CA_KEY = "X-Ca-Key";
  }
  