org.apache.james.jmap.utils.HeadersAuthenticationExtractor Maven / Gradle / Ivy
/****************************************************************
* 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 org.apache.james.jmap.utils;
import java.util.Collections;
import java.util.Enumeration;
import java.util.stream.Stream;
import javax.servlet.http.HttpServletRequest;
import com.google.common.base.Preconditions;
public class HeadersAuthenticationExtractor {
private static final String AUTHORIZATION_HEADERS = "Authorization";
public Stream authHeaders(HttpServletRequest httpRequest) {
Preconditions.checkArgument(httpRequest != null, "'httpRequest' is mandatory");
Enumeration authHeaders = httpRequest.getHeaders(AUTHORIZATION_HEADERS);
return authHeaders != null ? Collections.list(authHeaders).stream() : Stream.of();
}
}