123 lines
4.3 KiB
Java
123 lines
4.3 KiB
Java
/*
|
|
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8242557
|
|
* @summary Test verifies that PNGImageWriter does not write
|
|
* longer than 79 length null terminated strings.
|
|
* @run main WriteInvalidKeywordTest
|
|
*/
|
|
|
|
import java.awt.Graphics2D;
|
|
import java.awt.image.BufferedImage;
|
|
import java.awt.Color;
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.IOException;
|
|
import java.util.Iterator;
|
|
import javax.imageio.*;
|
|
import javax.imageio.metadata.IIOInvalidTreeException;
|
|
import javax.imageio.metadata.IIOMetadata;
|
|
import javax.imageio.metadata.IIOMetadataNode;
|
|
import javax.imageio.stream.ImageOutputStream;
|
|
|
|
public class WriteInvalidKeywordTest {
|
|
|
|
private static BufferedImage img;
|
|
private static ImageWriter writer;
|
|
private static ImageWriteParam param;
|
|
private static IIOMetadata metadata;
|
|
|
|
private static void initialize(int type) {
|
|
int width = 1;
|
|
int height = 1;
|
|
img = new BufferedImage(width, height, type);
|
|
Graphics2D g2D = img.createGraphics();
|
|
g2D.setColor(new Color(255, 255, 255));
|
|
g2D.fillRect(0, 0, width, width);
|
|
g2D.dispose();
|
|
|
|
Iterator<ImageWriter> iterWriter =
|
|
ImageIO.getImageWritersBySuffix("png");
|
|
writer = iterWriter.next();
|
|
|
|
param = writer.getDefaultWriteParam();
|
|
ImageTypeSpecifier specifier =
|
|
ImageTypeSpecifier.
|
|
createFromBufferedImageType(type);
|
|
metadata = writer.getDefaultImageMetadata(specifier, param);
|
|
}
|
|
|
|
private static void createTEXTNode()
|
|
throws IIOInvalidTreeException {
|
|
IIOMetadataNode tEXt_Entry = new IIOMetadataNode("tEXtEntry");
|
|
// Keyword length greater than 79
|
|
tEXt_Entry.setAttribute("keyword", "Authored" +
|
|
"AuthoredAuthoredAuthoredAuthoredAuthoredAuthored" +
|
|
"AuthoredAuthoredAuthoredAuthored");
|
|
tEXt_Entry.setAttribute("value", "");
|
|
|
|
IIOMetadataNode tEXt = new IIOMetadataNode("tEXt");
|
|
tEXt.appendChild(tEXt_Entry);
|
|
IIOMetadataNode root = new IIOMetadataNode("javax_imageio_png_1.0");
|
|
root.appendChild(tEXt);
|
|
metadata.mergeTree("javax_imageio_png_1.0", root);
|
|
}
|
|
|
|
private static void writeImage() throws IOException {
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
|
|
writer.setOutput(ios);
|
|
writer.write(metadata, new IIOImage(img, null, metadata), param);
|
|
writer.dispose();
|
|
baos.close();
|
|
ios.close();
|
|
}
|
|
|
|
private static void writePNGTEXTChunk() throws IOException {
|
|
initialize(BufferedImage.TYPE_BYTE_GRAY);
|
|
createTEXTNode();
|
|
writeImage();
|
|
}
|
|
|
|
public static void main(String[] args) throws IOException {
|
|
// write PNG image with tEXT chunk having keyword length
|
|
// greater than 79.
|
|
boolean failed = true;
|
|
try {
|
|
writePNGTEXTChunk();
|
|
} catch (IIOException e) {
|
|
// we expect it to throw IIOException
|
|
if (e.getCause().getMessage() ==
|
|
"tEXt keyword is longer than 79") {
|
|
failed = false;
|
|
}
|
|
}
|
|
if (failed) {
|
|
throw new RuntimeException("Test failed, did not throw " +
|
|
"expected exception");
|
|
}
|
|
}
|
|
}
|
|
|