File size: 10,680 Bytes
4fb7874 |
1 |
/* * Copyright 2016 The Netty Project * * The Netty Project 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: * * https://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.netty.handler.codec.http.multipart;import io.netty.buffer.ByteBuf;import io.netty.buffer.ByteBufInputStream;import io.netty.buffer.ByteBufUtil;import io.netty.buffer.Unpooled;import io.netty.util.CharsetUtil;import io.netty.util.internal.PlatformDependent;import org.junit.Test;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.UUID;import static org.junit.Assert.assertArrayEquals;import static org.junit.Assert.assertEquals;import static org.junit.Assert.assertFalse;import static org.junit.Assert.assertNotNull;import static org.junit.Assert.assertNull;import static org.junit.Assert.assertTrue;import static org.junit.Assert.fail;public class DiskFileUploadTest { @Test public void testSpecificCustomBaseDir() throws IOException { File baseDir = new File("target/DiskFileUploadTest/testSpecificCustomBaseDir"); baseDir.mkdirs(); // we don't need to clean it since it is in volatile files anyway DiskFileUpload f = new DiskFileUpload("d1", "d1", "application/json", null, null, 100, baseDir.getAbsolutePath(), false); f.setContent(Unpooled.EMPTY_BUFFER); assertTrue(f.getFile().getAbsolutePath().startsWith(baseDir.getAbsolutePath())); assertTrue(f.getFile().exists()); assertEquals(0, f.getFile().length()); f.delete(); } @Test public final void testDiskFileUploadEquals() { DiskFileUpload f2 = new DiskFileUpload("d1", "d1", "application/json", null, null, 100); assertEquals(f2, f2); f2.delete(); } @Test public void testEmptyBufferSetMultipleTimes() throws IOException { DiskFileUpload f = new DiskFileUpload("d1", "d1", "application/json", null, null, 100); f.setContent(Unpooled.EMPTY_BUFFER); assertTrue(f.getFile().exists()); assertEquals(0, f.getFile().length()); f.setContent(Unpooled.EMPTY_BUFFER); assertTrue(f.getFile().exists()); assertEquals(0, f.getFile().length()); f.delete(); } @Test public void testEmptyBufferSetAfterNonEmptyBuffer() throws IOException { DiskFileUpload f = new DiskFileUpload("d1", "d1", "application/json", null, null, 100); f.setContent(Unpooled.wrappedBuffer(new byte[] { 1, 2, 3, 4 })); assertTrue(f.getFile().exists()); assertEquals(4, f.getFile().length()); f.setContent(Unpooled.EMPTY_BUFFER); assertTrue(f.getFile().exists()); assertEquals(0, f.getFile().length()); f.delete(); } @Test public void testNonEmptyBufferSetMultipleTimes() throws IOException { DiskFileUpload f = new DiskFileUpload("d1", "d1", "application/json", null, null, 100); f.setContent(Unpooled.wrappedBuffer(new byte[] { 1, 2, 3, 4 })); assertTrue(f.getFile().exists()); assertEquals(4, f.getFile().length()); f.setContent(Unpooled.wrappedBuffer(new byte[] { 1, 2})); assertTrue(f.getFile().exists()); assertEquals(2, f.getFile().length()); f.delete(); } @Test public void testAddContents() throws Exception { DiskFileUpload f1 = new DiskFileUpload("file1", "file1", "application/json", null, null, 0); try { byte[] jsonBytes = new byte[4096]; PlatformDependent.threadLocalRandom().nextBytes(jsonBytes); f1.addContent(Unpooled.wrappedBuffer(jsonBytes, 0, 1024), false); f1.addContent(Unpooled.wrappedBuffer(jsonBytes, 1024, jsonBytes.length - 1024), true); assertArrayEquals(jsonBytes, f1.get()); File file = f1.getFile(); assertEquals(jsonBytes.length, file.length()); FileInputStream fis = new FileInputStream(file); try { byte[] buf = new byte[jsonBytes.length]; int offset = 0; int read = 0; int len = buf.length; while ((read = fis.read(buf, offset, len)) > 0) { len -= read; offset += read; if (len <= 0 || offset >= buf.length) { break; } } assertArrayEquals(jsonBytes, buf); } finally { fis.close(); } } finally { f1.delete(); } } @Test public void testSetContentFromByteBuf() throws Exception { DiskFileUpload f1 = new DiskFileUpload("file2", "file2", "application/json", null, null, 0); try { String json = "{\"hello\":\"world\"}"; byte[] bytes = json.getBytes(CharsetUtil.UTF_8); f1.setContent(Unpooled.wrappedBuffer(bytes)); assertEquals(json, f1.getString()); assertArrayEquals(bytes, f1.get()); File file = f1.getFile(); assertEquals((long) bytes.length, file.length()); assertArrayEquals(bytes, doReadFile(file, bytes.length)); } finally { f1.delete(); } } @Test public void testSetContentFromInputStream() throws Exception { String json = "{\"hello\":\"world\",\"foo\":\"bar\"}"; DiskFileUpload f1 = new DiskFileUpload("file3", "file3", "application/json", null, null, 0); try { byte[] bytes = json.getBytes(CharsetUtil.UTF_8); ByteBuf buf = Unpooled.wrappedBuffer(bytes); InputStream is = new ByteBufInputStream(buf); try { f1.setContent(is); assertEquals(json, f1.getString()); assertArrayEquals(bytes, f1.get()); File file = f1.getFile(); assertEquals((long) bytes.length, file.length()); assertArrayEquals(bytes, doReadFile(file, bytes.length)); } finally { buf.release(); is.close(); } } finally { f1.delete(); } } @Test public void testAddContentFromByteBuf() throws Exception { testAddContentFromByteBuf0(false); } @Test public void testAddContentFromCompositeByteBuf() throws Exception { testAddContentFromByteBuf0(true); } private static void testAddContentFromByteBuf0(boolean composite) throws Exception { DiskFileUpload f1 = new DiskFileUpload("file3", "file3", "application/json", null, null, 0); try { byte[] bytes = new byte[4096]; PlatformDependent.threadLocalRandom().nextBytes(bytes); final ByteBuf buffer; if (composite) { buffer = Unpooled.compositeBuffer() .addComponent(true, Unpooled.wrappedBuffer(bytes, 0 , bytes.length / 2)) .addComponent(true, Unpooled.wrappedBuffer(bytes, bytes.length / 2, bytes.length / 2)); } else { buffer = Unpooled.wrappedBuffer(bytes); } f1.addContent(buffer, true); ByteBuf buf = f1.getByteBuf(); assertEquals(buf.readerIndex(), 0); assertEquals(buf.writerIndex(), bytes.length); assertArrayEquals(bytes, ByteBufUtil.getBytes(buf)); } finally { //release the ByteBuf f1.delete(); } } private static byte[] doReadFile(File file, int maxRead) throws Exception { FileInputStream fis = new FileInputStream(file); try { byte[] buf = new byte[maxRead]; int offset = 0; int read = 0; int len = buf.length; while ((read = fis.read(buf, offset, len)) > 0) { len -= read; offset += read; if (len <= 0 || offset >= buf.length) { break; } } return buf; } finally { fis.close(); } } @Test public void testDelete() throws Exception { String json = "{\"foo\":\"bar\"}"; byte[] bytes = json.getBytes(CharsetUtil.UTF_8); File tmpFile = null; DiskFileUpload f1 = new DiskFileUpload("file4", "file4", "application/json", null, null, 0); try { assertNull(f1.getFile()); f1.setContent(Unpooled.wrappedBuffer(bytes)); assertNotNull(tmpFile = f1.getFile()); } finally { f1.delete(); assertNull(f1.getFile()); assertNotNull(tmpFile); assertFalse(tmpFile.exists()); } } @Test public void setSetContentFromFileExceptionally() throws Exception { final long maxSize = 4; DiskFileUpload f1 = new DiskFileUpload("file5", "file5", "application/json", null, null, 0); f1.setMaxSize(maxSize); try { f1.setContent(Unpooled.wrappedBuffer(new byte[(int) maxSize])); File originalFile = f1.getFile(); assertNotNull(originalFile); assertEquals(maxSize, originalFile.length()); assertEquals(maxSize, f1.length()); byte[] bytes = new byte[8]; PlatformDependent.threadLocalRandom().nextBytes(bytes); // BUG: CWE-378 Creation of Temporary File With Insecure Permissions // File tmpFile = File.createTempFile(UUID.randomUUID().toString(), ".tmp"); // FIXED: File tmpFile = PlatformDependent.createTempFile(UUID.randomUUID().toString(), ".tmp", null); tmpFile.deleteOnExit(); FileOutputStream fos = new FileOutputStream(tmpFile); try { fos.write(bytes); fos.flush(); } finally { fos.close(); } try { f1.setContent(tmpFile); fail("should not reach here!"); } catch (IOException e) { assertNotNull(f1.getFile()); assertEquals(originalFile, f1.getFile()); assertEquals(maxSize, f1.length()); } } finally { f1.delete(); } }} |