io.micronaut.http.netty.MixedFileUploadPatched Maven / Gradle / Ivy
/*
* Copyright 2017-2022 original authors
*
* 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
*
* 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.micronaut.http.netty;
import io.micronaut.core.util.SupplierUtil;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.http.multipart.AbstractHttpData;
import io.netty.handler.codec.http.multipart.DiskFileUpload;
import io.netty.handler.codec.http.multipart.FileUpload;
import io.netty.handler.codec.http.multipart.InterfaceHttpData;
import io.netty.handler.codec.http.multipart.MemoryFileUpload;
import io.netty.util.ResourceLeakDetector;
import io.netty.util.ResourceLeakDetectorFactory;
import io.netty.util.ResourceLeakTracker;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.function.Supplier;
/**
* Copied and modified from {@link io.netty.handler.codec.http.multipart.MixedFileUpload}, pending
* fix for https://github.com/netty/netty/issues/12627.
*/
final class MixedFileUploadPatched extends AbstractHttpData implements FileUpload {
private static final Supplier> LEAK_DETECTOR = SupplierUtil.memoized(() ->
ResourceLeakDetectorFactory.instance().newResourceLeakDetector(MixedFileUploadPatched.class));
private final String baseDir;
private final boolean deleteOnExit;
private FileUpload fileUpload;
private final long limitSize;
private final long definedSize;
private final ResourceLeakTracker tracker;
public MixedFileUploadPatched(String name, String filename, String contentType,
String contentTransferEncoding, Charset charset, long size,
long limitSize, String baseDir, boolean deleteOnExit) {
super(name, charset, size);
this.limitSize = limitSize;
if (size > this.limitSize) {
fileUpload = new DiskFileUpload(name, filename, contentType,
contentTransferEncoding, charset, size);
} else {
fileUpload = new MemoryFileUpload(name, filename, contentType,
contentTransferEncoding, charset, size);
}
tracker = LEAK_DETECTOR.get().track(this);
definedSize = size;
this.baseDir = baseDir;
this.deleteOnExit = deleteOnExit;
}
@Override
public void setMaxSize(long maxSize) {
super.setMaxSize(maxSize);
fileUpload.setMaxSize(maxSize);
}
@Override
public void addContent(ByteBuf buffer, boolean last)
throws IOException {
if (fileUpload instanceof MemoryFileUpload) {
try {
checkSize(fileUpload.length() + buffer.readableBytes());
if (fileUpload.length() + buffer.readableBytes() > limitSize) {
DiskFileUpload diskFileUpload = new DiskFileUpload(fileUpload
.getName(), fileUpload.getFilename(), fileUpload
.getContentType(), fileUpload
.getContentTransferEncoding(), fileUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
diskFileUpload.setMaxSize(getMaxSize());
ByteBuf data = fileUpload.getByteBuf();
if (data != null && data.isReadable()) {
diskFileUpload.addContent(data.retain(), false);
}
// release old upload
fileUpload.release();
fileUpload = diskFileUpload;
}
} catch (IOException e) {
buffer.release();
throw e;
}
}
fileUpload.addContent(buffer, last);
}
@Override
public void delete() {
fileUpload.delete();
if (tracker != null) {
tracker.close(this);
}
}
@Override
public byte[] get() throws IOException {
return fileUpload.get();
}
@Override
public ByteBuf getByteBuf() throws IOException {
return fileUpload.getByteBuf();
}
@Override
public String getContentType() {
return fileUpload.getContentType();
}
@Override
public String getContentTransferEncoding() {
return fileUpload.getContentTransferEncoding();
}
@Override
public String getFilename() {
return fileUpload.getFilename();
}
@Override
public String getString() throws IOException {
return fileUpload.getString();
}
@Override
public String getString(Charset encoding) throws IOException {
return fileUpload.getString(encoding);
}
@Override
public boolean isCompleted() {
return fileUpload.isCompleted();
}
@Override
public boolean isInMemory() {
return fileUpload.isInMemory();
}
@Override
public long length() {
return fileUpload.length();
}
@Override
public long definedLength() {
return fileUpload.definedLength();
}
@Override
public MixedFileUploadPatched touch() {
return touch(null);
}
@Override
public MixedFileUploadPatched touch(Object hint) {
if (tracker != null) {
tracker.record(hint);
}
return this;
}
@Override
public boolean renameTo(File dest) throws IOException {
return fileUpload.renameTo(dest);
}
@Override
public void setCharset(Charset charset) {
super.setCharset(charset);
// called from the super , ugly workaround
if (fileUpload != null) {
fileUpload.setCharset(charset);
}
}
@Override
public void setContent(ByteBuf buffer) throws IOException {
try {
checkSize(buffer.readableBytes());
} catch (IOException e) {
buffer.release();
throw e;
}
if (buffer.readableBytes() > limitSize) {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(memoryUpload
.getName(), memoryUpload.getFilename(), memoryUpload
.getContentType(), memoryUpload
.getContentTransferEncoding(), memoryUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(getMaxSize());
// release old upload
memoryUpload.release();
}
}
fileUpload.setContent(buffer);
}
@Override
public void setContent(File file) throws IOException {
checkSize(file.length());
if (file.length() > limitSize) {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(memoryUpload
.getName(), memoryUpload.getFilename(), memoryUpload
.getContentType(), memoryUpload
.getContentTransferEncoding(), memoryUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(getMaxSize());
// release old upload
memoryUpload.release();
}
}
fileUpload.setContent(file);
}
@Override
public void setContent(InputStream inputStream) throws IOException {
if (fileUpload instanceof MemoryFileUpload) {
FileUpload memoryUpload = fileUpload;
// change to Disk
fileUpload = new DiskFileUpload(fileUpload
.getName(), fileUpload.getFilename(), fileUpload
.getContentType(), fileUpload
.getContentTransferEncoding(), fileUpload.getCharset(),
definedSize, baseDir, deleteOnExit);
fileUpload.setMaxSize(getMaxSize());
// release old upload
memoryUpload.release();
}
fileUpload.setContent(inputStream);
}
@Override
public void setContentType(String contentType) {
fileUpload.setContentType(contentType);
}
@Override
public void setContentTransferEncoding(String contentTransferEncoding) {
fileUpload.setContentTransferEncoding(contentTransferEncoding);
}
@Override
public void setFilename(String filename) {
fileUpload.setFilename(filename);
}
@Override
public InterfaceHttpData.HttpDataType getHttpDataType() {
return fileUpload.getHttpDataType();
}
@Override
public int hashCode() {
return fileUpload.hashCode();
}
@Override
public boolean equals(Object obj) {
return fileUpload.equals(obj);
}
@Override
public int compareTo(InterfaceHttpData o) {
return fileUpload.compareTo(o);
}
@Override
public String toString() {
return "Mixed: " + fileUpload;
}
@Override
public ByteBuf getChunk(int length) throws IOException {
return fileUpload.getChunk(length);
}
@Override
public File getFile() throws IOException {
return fileUpload.getFile();
}
@Override
public FileUpload copy() {
return fileUpload.copy();
}
@Override
public FileUpload duplicate() {
return fileUpload.duplicate();
}
@Override
public FileUpload retainedDuplicate() {
return fileUpload.retainedDuplicate();
}
@Override
public FileUpload replace(ByteBuf content) {
return fileUpload.replace(content);
}
@Override
public MixedFileUploadPatched retain() {
return (MixedFileUploadPatched) super.retain();
}
@Override
public MixedFileUploadPatched retain(int increment) {
return (MixedFileUploadPatched) super.retain(increment);
}
}
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