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Handle files larger than Integer.MAX_VALUE bytes in bootJar and bootWar 

Fixes gh-24618
This commit is contained in:
Andy Wilkinson 2021-01-12 13:11:37 +00:00
parent f02951fb17
commit 997505005b
1 changed files with 27 additions and 22 deletions
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49
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java
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@ -32,6 +32,7 @@ import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.zip.CRC32;
import java.util.zip.ZipEntry;
import org.apache.commons.compress.archivers.zip.UnixStat;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
@ -53,7 +54,6 @@ import org.springframework.boot.loader.tools.JarModeLibrary;
import org.springframework.boot.loader.tools.Layer;
import org.springframework.boot.loader.tools.LayersIndex;
import org.springframework.util.Assert;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.StreamUtils;
import org.springframework.util.StringUtils;
@ -376,12 +376,7 @@ class BootZipCopyAction implements CopyAction {
}
private void prepareStoredEntry(InputStream input, ZipArchiveEntry archiveEntry) throws IOException {
archiveEntry.setMethod(java.util.zip.ZipEntry.STORED);
Crc32OutputStream crcStream = new Crc32OutputStream();
int size = FileCopyUtils.copy(input, crcStream);
archiveEntry.setSize(size);
archiveEntry.setCompressedSize(size);
archiveEntry.setCrc(crcStream.getCrc());
new CrcAndSize(input).setUpStoredEntry(archiveEntry);
}
private Long getTime() {
@ -464,29 +459,39 @@ class BootZipCopyAction implements CopyAction {
}
/**
* An {@code OutputStream} that provides a CRC-32 of the data that is written to it.
* Data holder for CRC and Size.
*/
private static final class Crc32OutputStream extends OutputStream {
private static class CrcAndSize {
private static final int BUFFER_SIZE = 32 * 1024;
private final CRC32 crc = new CRC32();
@Override
public void write(int b) throws IOException {
this.crc.update(b);
private long size;
CrcAndSize(InputStream inputStream) throws IOException {
try {
load(inputStream);
}
finally {
inputStream.close();
}
}
@Override
public void write(byte[] b) throws IOException {
this.crc.update(b);
private void load(InputStream inputStream) throws IOException {
byte[] buffer = new byte[BUFFER_SIZE];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) != -1) {
this.crc.update(buffer, 0, bytesRead);
this.size += bytesRead;
}
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
this.crc.update(b, off, len);
}
private long getCrc() {
return this.crc.getValue();
void setUpStoredEntry(ZipArchiveEntry entry) {
entry.setSize(this.size);
entry.setCompressedSize(this.size);
entry.setCrc(this.crc.getValue());
entry.setMethod(ZipEntry.STORED);
}
}