ceph/src/arrow/java/flight/flight-core/src/main/java/org/apache/arrow/flight/auth/AuthConstants.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *    http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.apache.arrow.flight.auth;
  19
  20 import org.apache.arrow.flight.FlightConstants;
  21
  22 import io.grpc.Context;
  23 import io.grpc.Metadata.BinaryMarshaller;
  24 import io.grpc.Metadata.Key;
  25 import io.grpc.MethodDescriptor;
  26
  27 /**
  28  * Constants used in authorization of flight connections.
  29  */
  30 public final class AuthConstants {
  31
  32   public static final String HANDSHAKE_DESCRIPTOR_NAME = MethodDescriptor
  33       .generateFullMethodName(FlightConstants.SERVICE, "Handshake");
  34   public static final String TOKEN_NAME = "Auth-Token-bin";
  35   public static final Key<byte[]> TOKEN_KEY = Key.of(TOKEN_NAME, new BinaryMarshaller<byte[]>() {
  36
  37     @Override
  38     public byte[] toBytes(byte[] value) {
  39       return value;
  40     }
  41
  42     @Override
  43     public byte[] parseBytes(byte[] serialized) {
  44       return serialized;
  45     }
  46   });
  47
  48   public static final Context.Key<String> PEER_IDENTITY_KEY = Context.keyWithDefault("arrow-flight-peer-identity", "");
  49
  50   private AuthConstants() {}
  51 }