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[UNDERTOW-2216] fix resource serving via predicates + test
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176 changes: 176 additions & 0 deletions
176
core/src/test/java/io/undertow/server/handlers/ResourcePredicateHandlerTestCase.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| /* | ||
| * JBoss, Home of Professional Open Source. | ||
| * Copyright 2023 Red Hat, Inc., and individual contributors | ||
| * as indicated by the @author tags. | ||
| * | ||
| * Licensed 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 io.undertow.server.handlers; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.attribute.FileAttribute; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
||
| import org.apache.http.HttpResponse; | ||
| import org.apache.http.client.methods.HttpGet; | ||
| import org.apache.http.util.EntityUtils; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
|
|
||
| import io.undertow.Handlers; | ||
| import io.undertow.server.HttpHandler; | ||
| import io.undertow.server.HttpServerExchange; | ||
| import io.undertow.server.handlers.builder.PredicatedHandler; | ||
| import io.undertow.server.handlers.builder.PredicatedHandlersParser; | ||
| import io.undertow.testutils.DefaultServer; | ||
| import io.undertow.testutils.TestHttpClient; | ||
| import io.undertow.util.StatusCodes; | ||
|
|
||
| /** | ||
| * Test basic resource serving via predicate handlers | ||
| * | ||
| * @author baranowb | ||
| * | ||
| */ | ||
| @RunWith(DefaultServer.class) | ||
| public class ResourcePredicateHandlerTestCase { | ||
|
|
||
| private static final String DIR_PREFIXED = "prefix-resource-dir"; | ||
| private static final String DIR_PATH = "path-resource-dir"; | ||
| private static final String FILE_NAME_LEVEL_0 = "file0"; | ||
| private static final String FILE_NAME_LEVEL_1 = "file1"; | ||
| private static final String DIR_SUB = "sub_dir"; | ||
| private static final String GIBBERISH = "Gibberish, what did you expect?"; | ||
|
|
||
| private static final String TEST_PREFIX = "prefixToTest"; | ||
|
|
||
| @Test | ||
| public void testPrefixMatchWithURIAltering() throws IOException { | ||
| final PathsRetainer pathsRetainer = createTestDir(DIR_PREFIXED, false); | ||
| DefaultServer.setRootHandler(Handlers.predicates( | ||
|
|
||
| PredicatedHandlersParser | ||
| .parse("path-prefix(/" + TEST_PREFIX + ")-> { set(attribute=%U,value=${remaining}); resource(location='" | ||
| + pathsRetainer.root.toString() + "',allow-listing=true) }", getClass().getClassLoader()), | ||
| new HttpHandler() { | ||
| @Override | ||
| public void handleRequest(HttpServerExchange exchange) throws Exception { | ||
| } | ||
| })); | ||
| testURLListing(pathsRetainer, true); | ||
| } | ||
|
|
||
| @Test | ||
| public void testPrefixMatchNoURIAltering() throws IOException { | ||
| final PathsRetainer pathsRetainer = createTestDir(DIR_PREFIXED, true); | ||
| DefaultServer.setRootHandler(Handlers.predicates( | ||
|
|
||
| PredicatedHandlersParser | ||
| .parse("path-prefix(/" + TEST_PREFIX + ")-> { resource(location='" | ||
| + pathsRetainer.root.toString() + "',allow-listing=true) }", getClass().getClassLoader()), | ||
| new HttpHandler() { | ||
| @Override | ||
| public void handleRequest(HttpServerExchange exchange) throws Exception { | ||
| } | ||
| })); | ||
| testURLListing(pathsRetainer, true); | ||
| } | ||
|
|
||
| @Test | ||
| public void testPathMatchNoURIAltering() throws IOException { | ||
| final PathsRetainer pathsRetainer = createTestDir(DIR_PATH, true); | ||
| //No idea why parsing does not work in one go | ||
| final List<PredicatedHandler> lst = new ArrayList<>(); | ||
| lst.addAll(PredicatedHandlersParser | ||
| .parse("path(/" + TEST_PREFIX + ")-> { resource(location='" | ||
| + pathsRetainer.root.toString() + "',allow-listing=true)", getClass().getClassLoader())); | ||
| lst.addAll(PredicatedHandlersParser | ||
| .parse("path(/" + TEST_PREFIX + "/" +pathsRetainer.sub.getFileName() + ")-> { resource(location='" | ||
| + pathsRetainer.root.toString() + "',allow-listing=true) }", getClass().getClassLoader())); | ||
| DefaultServer.setRootHandler(Handlers.predicates(lst, | ||
| new HttpHandler() { | ||
| @Override | ||
| public void handleRequest(HttpServerExchange exchange) throws Exception { | ||
| Assert.assertFalse(true); | ||
| } | ||
| })); | ||
| testURLListing(pathsRetainer, false); | ||
| } | ||
|
|
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| private void testURLListing(final PathsRetainer pathsRetainer, boolean testFile) throws IOException { | ||
|
|
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| TestHttpClient client = new TestHttpClient(); | ||
| HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/" + TEST_PREFIX+"/"); | ||
| HttpResponse result = client.execute(get); | ||
| Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode()); | ||
| String bodyToTest = EntityUtils.toString(result.getEntity()); | ||
| //this is not optimal... | ||
| Assert.assertTrue(bodyToTest.contains("href='/"+TEST_PREFIX+"/"+pathsRetainer.sub.getFileName()+"/'>"+pathsRetainer.sub.getFileName()+"</a>")); | ||
| Assert.assertTrue(bodyToTest.contains("href='/"+TEST_PREFIX+"/"+pathsRetainer.rootFile.getFileName()+"'>"+pathsRetainer.rootFile.getFileName()+"</a>")); | ||
| get = new HttpGet(DefaultServer.getDefaultServerURL() + "/" + TEST_PREFIX+ "/" +pathsRetainer.sub.getFileName()+ "/"); | ||
| result = client.execute(get); | ||
| Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode()); | ||
| bodyToTest = EntityUtils.toString(result.getEntity()); | ||
| Assert.assertTrue(bodyToTest.contains("href='/"+TEST_PREFIX+"/'>[..]</a>")); | ||
| Assert.assertTrue(bodyToTest.contains("href='/"+TEST_PREFIX+"/"+pathsRetainer.sub.getFileName()+"/"+pathsRetainer.subFile.getFileName()+"'>"+pathsRetainer.subFile.getFileName()+"</a>")); | ||
| if(testFile) { | ||
| get = new HttpGet(DefaultServer.getDefaultServerURL() + "/"+TEST_PREFIX+"/"+pathsRetainer.sub.getFileName()+"/"+pathsRetainer.subFile.getFileName()); | ||
| result = client.execute(get); | ||
| Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode()); | ||
| bodyToTest = EntityUtils.toString(result.getEntity()); | ||
| Assert.assertEquals(GIBBERISH, bodyToTest); | ||
| } | ||
| } | ||
|
|
||
| private PathsRetainer createTestDir(final String dirName, final boolean prefixDirectory) throws IOException { | ||
| final FileAttribute<?>[] attribs = new FileAttribute<?>[] {}; | ||
| final PathsRetainer pathsRetainer = new PathsRetainer(); | ||
| Path dir = Files.createTempDirectory(dirName); | ||
| if (prefixDirectory) { | ||
| //dont use temp, as it will add random stuff | ||
| //parent is already temp | ||
| File f = dir.toFile(); | ||
| f = new File(f,TEST_PREFIX); | ||
| Assert.assertTrue(f.mkdir()); | ||
| pathsRetainer.root = dir; | ||
| dir = f.toPath(); | ||
| } else { | ||
| pathsRetainer.root = dir; | ||
| } | ||
|
|
||
| Path file = Files.createTempFile(dir, FILE_NAME_LEVEL_0,".txt", attribs); | ||
| pathsRetainer.rootFile = file; | ||
| writeGibberish(file); | ||
| final Path subdir = Files.createTempDirectory(dir, DIR_SUB); | ||
| pathsRetainer.sub = subdir; | ||
| file = Files.createTempFile(subdir, FILE_NAME_LEVEL_1,".txt", attribs); | ||
| pathsRetainer.subFile = file; | ||
| writeGibberish(file); | ||
| return pathsRetainer; | ||
| } | ||
|
|
||
| private void writeGibberish(final Path p) throws IOException { | ||
| Files.write(p,GIBBERISH.getBytes()); | ||
| } | ||
| private static class PathsRetainer{ | ||
| private Path root; | ||
| private Path rootFile; | ||
| private Path sub; | ||
| private Path subFile; | ||
| } | ||
| } |
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