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#294 Fixed regression, reading JPEGs containing strange APPn markers without identifier string

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This commit is contained in:
Harald Kuhr 2016-11-20 20:11:22 +01:00
parent f0316f7ec5
commit e189b5e14f
4 changed files with 4 additions and 4 deletions
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5
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/Application.java
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@ -29,7 +29,6 @@
package com.twelvemonkeys.imageio.plugins.jpeg;
import com.twelvemonkeys.imageio.metadata.jpeg.JPEG;
import com.twelvemonkeys.lang.Validate;
import java.io.ByteArrayInputStream;
import java.io.DataInput;
@ -48,10 +47,10 @@ class Application extends Segment {
final String identifier;
final byte[] data;
Application(int marker, final String identifier, final byte[] data) {
Application(final int marker, final String identifier, final byte[] data) {
super(marker);
this.identifier = Validate.notEmpty(identifier, "identifier");
this.identifier = identifier; // NOTE: Some JPEGs contain APP segments without NULL-terminated identifier
this.data = data;
}

2
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReader.java
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@ -723,7 +723,7 @@ public class JPEGImageReader extends ImageReaderBase {
catch (IOException e) {
// TODO: Handle bad segments better, for now, just ignore any bad APP markers
if (segment.marker() >= JPEG.APP0 && JPEG.APP15 >= segment.marker()) {
processWarningOccurred("Bogus " +segment.identifier() + " segment, ignoring");
processWarningOccurred("Bogus APP" + (segment.marker() & 0x0f) + "/" + segment.identifier() + " segment, ignoring");
continue;
}

1
imageio/imageio-jpeg/src/test/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReaderTest.java
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@ -94,6 +94,7 @@ public class JPEGImageReaderTest extends ImageReaderAbstractTest<JPEGImageReader
new TestData(getClassLoaderResource("/jpeg/jfif-padded-segments.jpg"), new Dimension(20, 45)),
new TestData(getClassLoaderResource("/jpeg/0x00-to-0xFF-between-segments.jpg"), new Dimension(16, 16)),
new TestData(getClassLoaderResource("/jpeg/jfif-bogus-empty-jfif-segment.jpg"), new Dimension(942, 714)),
new TestData(getClassLoaderResource("/jpeg/app-marker-missing-null-term.jpg"), new Dimension(200, 150)),
new TestData(getClassLoaderResource("/jpeg/jfif-16bit-dqt.jpg"), new Dimension(204, 131)),
new TestData(getClassLoaderResource("/jpeg-lossless/8_ls.jpg"), new Dimension(800, 535)), // Lossless gray, 8 bit
new TestData(getClassLoaderResource("/jpeg-lossless/16_ls.jpg"), new Dimension(800, 535)), // Lossless gray, 16 bit

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imageio/imageio-jpeg/src/test/resources/jpeg/app-marker-missing-null-term.jpg Normal file
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