| /** |
| * 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.hadoop.gateway.shell; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.gateway.util.JsonUtils; |
| |
| public class KnoxTokenCredentialCollector extends AbstractCredentialCollector { |
| /** |
| * |
| */ |
| private static final String KNOXTOKENCACHE = ".knoxtokencache"; |
| public static final String COLLECTOR_TYPE = "KnoxToken"; |
| public String targetUrl = null; |
| |
| /* (non-Javadoc) |
| * @see org.apache.hadoop.gateway.shell.CredentialCollector#collect() |
| */ |
| @Override |
| public void collect() throws CredentialCollectionException { |
| String userDir = System.getProperty("user.home"); |
| File knoxtoken = new File(userDir, KNOXTOKENCACHE); |
| if (knoxtoken.exists()) { |
| Path path = Paths.get(knoxtoken.toURI()); |
| List<String> lines; |
| try { |
| lines = Files.readAllLines(path, StandardCharsets.UTF_8); |
| Map<String, String> attrs = JsonUtils.getMapFromJsonString(lines.get(0)); |
| value = attrs.get("access_token"); |
| targetUrl = attrs.get("target_url"); |
| Date expires = new Date(Long.parseLong(attrs.get("expires_in"))); |
| if (expires.before(new Date())) { |
| System.out.println("Cached knox token has expired. Please relogin through knoxinit."); |
| System.exit(1); |
| } |
| } catch (IOException e) { |
| System.out.println("Cached knox token cannot be read. Please login through knoxinit."); |
| System.exit(1); |
| e.printStackTrace(); |
| } |
| } else { |
| System.out.println("Cached knox token cannot be found. Please login through knoxinit."); |
| System.exit(1); |
| } |
| } |
| |
| public String getTargetUrl() { |
| return targetUrl; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.hadoop.gateway.shell.CredentialCollector#name() |
| */ |
| @Override |
| public String type() { |
| return COLLECTOR_TYPE; |
| } |
| } |