001/* 002 * Licensed under the Apache License, Version 2.0 (the "License"); 003 * you may not use this file except in compliance with the License. 004 * You may obtain a copy of the License at 005 * 006 * http://www.apache.org/licenses/LICENSE-2.0 007 * 008 * Unless required by applicable law or agreed to in writing, software 009 * distributed under the License is distributed on an "AS IS" BASIS, 010 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 011 * See the License for the specific language governing permissions and 012 * limitations under the License. 013 */ 014package org.gbif.ws.security; 015 016import java.util.regex.Pattern; 017 018import org.apache.commons.lang3.StringUtils; 019 020import static org.gbif.ws.util.SecurityConstants.GBIF_SCHEME_PREFIX; 021 022public final class GbifAuthUtils { 023 024 private static final Pattern COLON_PATTERN = Pattern.compile(":"); 025 026 private GbifAuthUtils() {} 027 028 /** 029 * Tries to get the appkey from the request header. 030 * @param authorizationHeader 'Authorization' header. 031 * @return the appkey found or null 032 */ 033 public static String getAppKeyFromRequest(final String authorizationHeader) { 034 if (StringUtils.startsWith(authorizationHeader, GBIF_SCHEME_PREFIX)) { 035 String[] values = COLON_PATTERN.split(authorizationHeader.substring(5), 2); 036 if (values.length == 2) { 037 return values[0]; 038 } 039 } 040 return null; 041 } 042}