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/*
* 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();
}
}
}
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