blob: 893dced2a575b0f0a9c5e3a5bbcf914fd59c988b [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* http://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 org.apache.logging.log4j.core.impl;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.BindException;
import java.net.InetSocketAddress;
import java.nio.channels.ServerSocketChannel;
import java.security.Permission;
import java.security.SecureRandom;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.IvParameterSpec;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.pattern.PlainTextRenderer;
import org.apache.logging.log4j.util.Strings;
import org.junit.jupiter.api.Test;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import static org.junit.jupiter.api.Assertions.*;
/**
*
*/
public class ThrowableProxyTest {
private static final Base64.Decoder decoder = Base64.getDecoder();
public static class AlwaysThrowsError {
static {
if (true) {
throw new Error("I always throw an Error when initialized");
}
}
}
static class Fixture {
@JsonProperty
ThrowableProxy proxy = new ThrowableProxy(new IOException("test"));
}
@SuppressWarnings("BanSerializableRead")
private ThrowableProxy deserialize(final byte[] binary) throws IOException, ClassNotFoundException {
final ByteArrayInputStream inArr = new ByteArrayInputStream(binary);
final ObjectInputStream in = new ObjectInputStream(inArr);
return (ThrowableProxy) in.readObject();
}
private byte[] serialize(final ThrowableProxy proxy) throws IOException {
final ByteArrayOutputStream arr = new ByteArrayOutputStream();
final ObjectOutputStream out = new ObjectOutputStream(arr);
out.writeObject(proxy);
return arr.toByteArray();
}
private boolean allLinesContain(final String text, final String containedText) {
final String[] lines = text.split("\n");
for (final String line : lines) {
if (line.isEmpty()) {
continue;
}
if (!line.contains(containedText)) {
return false;
}
}
return true;
}
private boolean lastLineContains(final String text, final String containedText) {
final String[] lines = text.split("\n");
final String lastLine = lines[lines.length-1];
return lastLine.contains(containedText);
}
private void testIoContainer(final ObjectMapper objectMapper ) throws IOException {
final Fixture expected = new Fixture();
final String s = objectMapper.writeValueAsString(expected);
final Fixture actual = objectMapper.readValue(s, Fixture.class);
assertEquals(expected.proxy.getName(), actual.proxy.getName());
assertEquals(expected.proxy.getMessage(), actual.proxy.getMessage());
assertEquals(expected.proxy.getLocalizedMessage(), actual.proxy.getLocalizedMessage());
assertEquals(expected.proxy.getCommonElementCount(), actual.proxy.getCommonElementCount());
assertArrayEquals(expected.proxy.getExtendedStackTrace(), actual.proxy.getExtendedStackTrace());
assertEquals(expected.proxy, actual.proxy);
}
/**
* Attempts to instantiate a class that cannot initialize and then logs the stack trace of the Error. The logger
* must not fail when using {@link ThrowableProxy} to inspect the frames of the stack trace.
*/
@Test
public void testLogStackTraceWithClassThatCannotInitialize() {
final Error e = assertThrows(Error.class, AlwaysThrowsError::new);
// Print the stack trace to System.out for informational purposes
// System.err.println("### Here's the stack trace that we'll log with log4j ###");
// e.printStackTrace();
// System.err.println("### End stack trace ###");
final Logger logger = LogManager.getLogger(getClass());
assertDoesNotThrow(() -> {
// This is the critical portion of the test. The log message must be printed without
// throwing a java.lang.Error when introspecting the AlwaysThrowError class in the
// stack trace.
logger.error(e.getMessage(), e);
logger.error(e);
});
}
@Test
public void testLogStackTraceWithClassThatWillCauseSecurityException() throws IOException {
final SecurityManager sm = System.getSecurityManager();
try {
System.setSecurityManager(
new SecurityManager() {
@Override
public void checkPermission(final Permission perm) {
if (perm instanceof RuntimePermission) {
// deny access to the class to trigger the security exception
if ("accessClassInPackage.sun.nio.ch".equals(perm.getName())) {
throw new SecurityException(perm.toString());
}
}
}
});
final BindException e = assertThrows(BindException.class, () -> {
ServerSocketChannel.open().socket().bind(new InetSocketAddress("localhost", 9300));
ServerSocketChannel.open().socket().bind(new InetSocketAddress("localhost", 9300));
});
assertDoesNotThrow(() -> new ThrowableProxy(e));
} finally {
// restore the security manager
System.setSecurityManager(sm);
}
}
@Test
public void testLogStackTraceWithClassLoaderThatWithCauseSecurityException() throws Exception {
final SecurityManager sm = System.getSecurityManager();
try {
System.setSecurityManager(
new SecurityManager() {
@Override
public void checkPermission(final Permission perm) {
if (perm instanceof RuntimePermission) {
// deny access to the classloader to trigger the security exception
if ("getClassLoader".equals(perm.getName())) {
throw new SecurityException(perm.toString());
}
}
}
});
final String algorithm = "AES/CBC/PKCS5Padding";
final Cipher ec = Cipher.getInstance(algorithm);
final byte[] bytes = new byte[16]; // initialization vector
final SecureRandom secureRandom = new SecureRandom();
secureRandom.nextBytes(bytes);
final KeyGenerator generator = KeyGenerator.getInstance("AES");
generator.init(128);
final IvParameterSpec algorithmParameterSpec = new IvParameterSpec(bytes);
ec.init(Cipher.ENCRYPT_MODE, generator.generateKey(), algorithmParameterSpec, secureRandom);
final byte[] raw = new byte[0];
final byte[] encrypted = ec.doFinal(raw);
final Cipher dc = Cipher.getInstance(algorithm);
dc.init(Cipher.DECRYPT_MODE, generator.generateKey(), algorithmParameterSpec, secureRandom);
final BadPaddingException e = assertThrows(BadPaddingException.class, () -> dc.doFinal(encrypted));
assertDoesNotThrow(() -> new ThrowableProxy(e));
} finally {
// restore the existing security manager
System.setSecurityManager(sm);
}
}
// DO NOT REMOVE THIS COMMENT:
// UNCOMMENT WHEN GENERATING SERIALIZED THROWABLEPROXY FOR #testSerializationWithUnknownThrowable
// public static class DeletedException extends Exception {
// private static final long serialVersionUID = 1L;
//
// public DeletedException(String msg) {
// super(msg);
// }
// };
@Test
public void testSerialization() throws Exception {
final Throwable throwable = new IllegalArgumentException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final byte[] binary = serialize(proxy);
final ThrowableProxy proxy2 = deserialize(binary);
assertEquals(proxy.getName(), proxy2.getName());
assertEquals(proxy.getMessage(), proxy2.getMessage());
assertEquals(proxy.getCauseProxy(), proxy2.getCauseProxy());
assertArrayEquals(proxy.getExtendedStackTrace(), proxy2.getExtendedStackTrace());
}
@Test
public void testSerialization_getExtendedStackTraceAsString() throws Exception {
final Throwable throwable = new IllegalArgumentException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final byte[] binary = serialize(proxy);
final ThrowableProxy proxy2 = deserialize(binary);
assertEquals(proxy.getExtendedStackTraceAsString(Strings.EMPTY), proxy2.getExtendedStackTraceAsString(Strings.EMPTY));
}
@Test
public void testSerialization_getExtendedStackTraceAsStringWithNestedThrowableDepth1() throws Exception {
final Throwable throwable = new RuntimeException(new IllegalArgumentException("This is a test"));
testSerialization_getExtendedStackTraceAsStringWithNestedThrowable(throwable);
}
@Test
public void testSerialization_getExtendedStackTraceAsStringWithNestedThrowableDepth2() throws Exception {
final Throwable throwable = new RuntimeException(
new IllegalArgumentException("This is a test", new IOException("level 2")));
testSerialization_getExtendedStackTraceAsStringWithNestedThrowable(throwable);
}
@Test
public void testSerialization_getExtendedStackTraceAsStringWithNestedThrowableDepth3() throws Exception {
final Throwable throwable = new RuntimeException(new IllegalArgumentException("level 1",
new IOException("level 2", new IllegalStateException("level 3"))));
testSerialization_getExtendedStackTraceAsStringWithNestedThrowable(throwable);
}
private void testSerialization_getExtendedStackTraceAsStringWithNestedThrowable(final Throwable throwable) throws Exception {
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final byte[] binary = serialize(proxy);
final ThrowableProxy proxy2 = deserialize(binary);
assertEquals(proxy.getExtendedStackTraceAsString(Strings.EMPTY), proxy2.getExtendedStackTraceAsString(Strings.EMPTY));
}
@Test
public void testSerializationWithUnknownThrowable() throws Exception {
final String msg = "OMG I've been deleted!";
// DO NOT DELETE THIS COMMENT:
// UNCOMMENT TO RE-GENERATE SERIALIZED EVENT WHEN UPDATING THIS TEST.
// final Exception thrown = new DeletedException(msg);
// final ThrowableProxy proxy = new ThrowableProxy(thrown);
// final byte[] binary = serialize(proxy);
// String base64 = DatatypeConverter.printBase64Binary(binary);
// System.out.println("final String base64 = \"" + base64.replaceAll("\r\n", "\\\\r\\\\n\" +\r\n\"") + "\";");
final String base64 = "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";
final byte[] binaryDecoded = decoder.decode(base64);
final ThrowableProxy proxy2 = deserialize(binaryDecoded);
assertEquals(this.getClass().getName() + "$DeletedException", proxy2.getName());
assertEquals(msg, proxy2.getMessage());
}
@Test
public void testSeparator_getExtendedStackTraceAsString() throws Exception {
final Throwable throwable = new IllegalArgumentException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String separator = " | ";
final String extendedStackTraceAsString = proxy.getExtendedStackTraceAsString(null,
PlainTextRenderer.getInstance(), " | ", Strings.EMPTY);
assertTrue(allLinesContain(extendedStackTraceAsString, separator), extendedStackTraceAsString);
}
@Test
public void testSuffix_getExtendedStackTraceAsString() throws Exception {
final Throwable throwable = new IllegalArgumentException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
final String extendedStackTraceAsString = proxy.getExtendedStackTraceAsString(suffix);
assertTrue(lastLineContains(extendedStackTraceAsString, suffix), extendedStackTraceAsString);
}
@Test
public void testSuffix_getExtendedStackTraceAsStringWithCausedThrowable() throws Exception {
final Throwable throwable = new RuntimeException(new IllegalArgumentException("This is a test"));
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
assertTrue(allLinesContain(proxy.getExtendedStackTraceAsString(suffix), suffix));
}
@Test
public void testSuffix_getExtendedStackTraceAsStringWithSuppressedThrowable() throws Exception {
final IllegalArgumentException cause = new IllegalArgumentException("This is a test");
final Throwable throwable = new RuntimeException(cause);
throwable.addSuppressed(new IOException("This is a test"));
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
assertTrue(allLinesContain(proxy.getExtendedStackTraceAsString(suffix), suffix));
}
@Test
public void testSuffix_getCauseStackTraceAsString() throws Exception {
final Throwable throwable = new IllegalArgumentException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
assertTrue(allLinesContain(proxy.getCauseStackTraceAsString(suffix), suffix));
}
@Test
public void testSuffix_getCauseStackTraceAsStringWithCausedThrowable() throws Exception {
final Throwable throwable = new RuntimeException(new IllegalArgumentException("This is a test"));
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
assertTrue(allLinesContain(proxy.getCauseStackTraceAsString(suffix), suffix));
}
@Test
public void testSuffix_getCauseStackTraceAsStringWithSuppressedThrowable() throws Exception {
final IllegalArgumentException cause = new IllegalArgumentException("This is a test");
final Throwable throwable = new RuntimeException(cause);
throwable.addSuppressed(new IOException("This is a test"));
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final String suffix = "some suffix";
assertTrue(allLinesContain(proxy.getCauseStackTraceAsString(suffix), suffix));
}
@Test
public void testStack() {
final Map<String, ThrowableProxyHelper.CacheEntry> map = new HashMap<>();
final Stack<Class<?>> stack = new Stack<>();
final Throwable throwable = new IllegalStateException("This is a test");
final ThrowableProxy proxy = new ThrowableProxy(throwable);
final ExtendedStackTraceElement[] callerPackageData = ThrowableProxyHelper.toExtendedStackTrace(proxy, stack, map, null,
throwable.getStackTrace());
assertNotNull(callerPackageData, "No package data returned");
}
/**
* Asserts that LOG4J2-834 is solved by constructing a ThrowableProxy over a RuntimeException object thrown at a
* unloaded known class (already compiled and available as a test resource:
* org.apache.logging.log4j.core.impl.ForceNoDefClassFoundError.class).
*/
@SuppressWarnings("BanSerializableRead")
@Test
public void testStackWithUnloadableClass() throws Exception {
final Stack<Class<?>> stack = new Stack<>();
final Map<String, ThrowableProxyHelper.CacheEntry> map = new HashMap<>();
final String runtimeExceptionThrownAtUnloadableClass_base64 = "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";
final byte[] binaryDecoded = decoder.decode(runtimeExceptionThrownAtUnloadableClass_base64);
final ByteArrayInputStream inArr = new ByteArrayInputStream(binaryDecoded);
final ObjectInputStream in = new ObjectInputStream(inArr);
final Throwable throwable = (Throwable) in.readObject();
final ThrowableProxy subject = new ThrowableProxy(throwable);
ThrowableProxyHelper.toExtendedStackTrace(subject, stack, map, null, throwable.getStackTrace());
}
/**
* Tests LOG4J2-934.
*/
@Test
public void testCircularSuppressedExceptions() {
final Exception e1 = new Exception();
final Exception e2 = new Exception();
e2.addSuppressed(e1);
e1.addSuppressed(e2);
LogManager.getLogger().error("Error", e1);
}
@Test
public void testSuppressedExceptions() {
final Exception e = new Exception("Root exception");
e.addSuppressed(new IOException("Suppressed #1"));
e.addSuppressed(new IOException("Suppressed #2"));
LogManager.getLogger().error("Error", e);
final ThrowableProxy proxy = new ThrowableProxy(e);
final String extendedStackTraceAsString = proxy.getExtendedStackTraceAsString("same suffix");
assertTrue(extendedStackTraceAsString.contains("\tSuppressed: java.io.IOException: Suppressed #1"));
assertTrue(extendedStackTraceAsString.contains("\tSuppressed: java.io.IOException: Suppressed #1"));
}
@Test
public void testCauseSuppressedExceptions() {
final Exception cause = new Exception("Nested exception");
cause.addSuppressed(new IOException("Suppressed #1"));
cause.addSuppressed(new IOException("Suppressed #2"));
LogManager.getLogger().error("Error", new Exception(cause));
final ThrowableProxy proxy = new ThrowableProxy(new Exception("Root exception", cause));
final String extendedStackTraceAsString = proxy.getExtendedStackTraceAsString("same suffix");
assertTrue(extendedStackTraceAsString.contains("\tSuppressed: java.io.IOException: Suppressed #1"));
assertTrue(extendedStackTraceAsString.contains("\tSuppressed: java.io.IOException: Suppressed #1"));
}
/**
* Tests LOG4J2-934.
*/
@Test
public void testCircularSuppressedNestedException() {
final Exception e1 = new Exception();
final Exception e2 = new Exception(e1);
e2.addSuppressed(e1);
e1.addSuppressed(e2);
LogManager.getLogger().error("Error", e1);
}
/**
* .
*/
@Test
public void testCircularCauseExceptions() {
final Exception e1 = new Exception();
final Exception e2 = new Exception(e1);
e1.initCause(e2);
LogManager.getLogger().error("Error", e1);
}
}