134 lines
4.7 KiB
Java
134 lines
4.7 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8191023
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* @summary Test verifies that PNGImageReader doesn't throw any undocumented
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* Exception when we try to create byte array of negative size because
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* when keyword length is more than chunk size.
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* @run main PngImproperChunkSizeTest
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*/
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Base64;
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import javax.imageio.IIOException;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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public class PngImproperChunkSizeTest {
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private static ImageReader reader;
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private static String zTXTMalformedData = "iVBORw0KGgoAAAANSUhEUgAAAAEAAA" +
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"ABCAAAAAA6fptVAAAABHpUWHRhYWFhYWFhYQAAAApJREFUGFdj+A8AAQEBAFpNb" +
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"/EAAAAASUVORK5CYIIK";
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private static String tEXTMalformedData = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB"
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+ "CAMAAAA6fptVAAAABHRFWHRhYWFhYWFhYQAAAApJREFUGFdj+A8AAQEBAFpNb"
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+ "/EAAAAASUVORK5CYIIK";
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private static String iCCPMalformedData = "iVBORw0KGgoAAAANSUhEUgAAAAEAAA" +
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"ABCAAAAAA6fptVAAAABGlDQ1BhYWFhYWFhYQAAAApJREFUGFdj+A8AAQEBAFpNb" +
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"/EAAAAASUVORK5CYIIK";
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private static ByteArrayInputStream initializeInputStream(String input) {
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byte[] inputBytes = Base64.getDecoder().decode(input);
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return new ByteArrayInputStream(inputBytes);
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}
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private static Boolean readzTXTData(InputStream input) throws IOException {
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// Set input and mark ignoreMetadata = false
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reader.setInput(ImageIO.createImageInputStream(input), true, false);
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try {
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reader.read(0);
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} catch (IIOException e) {
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Throwable cause = e.getCause();
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if (cause == null ||
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!cause.getMessage().
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equals("zTXt chunk length is not proper"))
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{
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return true;
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}
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}
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return false;
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}
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private static Boolean readtEXTData(InputStream input) throws IOException {
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// Set input and mark ignoreMetadata = false
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reader.setInput(ImageIO.createImageInputStream(input), true, false);
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try {
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reader.read(0);
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} catch (IIOException e) {
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Throwable cause = e.getCause();
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if (cause == null ||
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!cause.getMessage().
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equals("tEXt chunk length is not proper"))
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{
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return true;
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}
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}
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return false;
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}
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private static Boolean readiCCPData(InputStream input) throws IOException {
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// Set input and mark ignoreMetadata = false
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reader.setInput(ImageIO.createImageInputStream(input), true, false);
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try {
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reader.read(0);
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} catch (IIOException e) {
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Throwable cause = e.getCause();
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if (cause == null ||
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!cause.getMessage().
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equals("iCCP chunk length is not proper"))
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{
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return true;
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}
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}
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return false;
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}
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public static void main(String[] args) throws java.io.IOException {
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reader = ImageIO.getImageReadersByFormatName("png").next();
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InputStream in = initializeInputStream(zTXTMalformedData);
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Boolean zTXTFailed = readzTXTData(in);
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in = initializeInputStream(tEXTMalformedData);
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Boolean tEXTFailed = readtEXTData(in);
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in = initializeInputStream(iCCPMalformedData);
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Boolean iCCPFailed = readiCCPData(in);
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reader.dispose();
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if (zTXTFailed || tEXTFailed || iCCPFailed) {
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throw new RuntimeException("Test didn't throw the required" +
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" Exception");
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}
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}
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}
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