| /* |
| * 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.drill.exec.store.dfs; |
| |
| import static junit.framework.TestCase.fail; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.List; |
| |
| import org.apache.drill.common.util.DrillStringUtils; |
| import org.apache.drill.exec.util.DrillFileSystemUtil; |
| import com.google.common.collect.ImmutableList; |
| import org.apache.drill.test.BaseTestQuery; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.junit.Test; |
| |
| public class TestFileSelection extends BaseTestQuery { |
| private static final List<FileStatus> EMPTY_STATUSES = ImmutableList.of(); |
| private static final List<Path> EMPTY_FILES = ImmutableList.of(); |
| private static final String EMPTY_ROOT = ""; |
| |
| @Test |
| public void testCreateReturnsNullWhenArgumentsAreIllegal() { |
| for (final Object statuses : new Object[] { null, EMPTY_STATUSES}) { |
| for (final Object files : new Object[]{null, EMPTY_FILES}) { |
| for (final Object root : new Object[]{null, EMPTY_ROOT}) { |
| FileSelection selection = FileSelection.create((List<FileStatus>) statuses, (List<Path>) files, |
| DrillFileSystemUtil.createPathSafe((String) root)); |
| assertNull(selection); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void testBackPathBad() throws Exception { |
| final String[][] badPaths = |
| { |
| {"/tmp", "../../bad"}, // goes beyond root and outside parent; resolves to /../bad |
| {"/tmp", "../etc/bad"}, // goes outside parent; resolves to /etc/bad |
| {"", "/bad"}, // empty parent |
| {"/", ""}, // empty path |
| }; |
| |
| |
| for (int i = 0; i < badPaths.length; i++) { |
| boolean isPathGood = true; |
| try { |
| String parent = badPaths[i][0]; |
| String subPath = DrillStringUtils.removeLeadingSlash(badPaths[i][1]); |
| String path = new Path(parent, subPath).toString(); |
| FileSelection.checkBackPaths(parent, path, subPath); |
| } catch (IllegalArgumentException e) { |
| isPathGood = false; |
| } |
| if (isPathGood) { |
| fail("Failed to catch invalid file selection paths."); |
| } |
| } |
| } |
| |
| @Test |
| public void testBackPathGood() throws Exception { |
| final String[][] goodPaths = |
| { |
| {"/tmp", "../tmp/good"}, |
| {"/", "/tmp/good/../../good"}, |
| {"/", "etc/tmp/../../good"}, // no leading slash in path |
| {"/", "../good"}, // resolves to /../good which is OK |
| {"/", "/good"} |
| }; |
| |
| for (int i = 0; i < goodPaths.length; i++) { |
| try { |
| String parent = goodPaths[i][0]; |
| String subPath = DrillStringUtils.removeLeadingSlash(goodPaths[i][1]); |
| String path = new Path(parent, subPath).toString(); |
| FileSelection.checkBackPaths(parent, path, subPath); |
| } catch (IllegalArgumentException e) { |
| fail("Valid path not allowed by selection path validation."); |
| } |
| } |
| } |
| |
| } |