/*
* 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.tomcat.util.buf;
import java.io.CharConversionException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import org.junit.Assert;
import org.junit.Test;
public class TestUDecoder {
@Test(expected = IllegalArgumentException.class)
public void testURLDecodeStringInvalid01() {
// %n rather than %nn should throw an IAE according to the Javadoc
UDecoder.URLDecode("%5xxxxx", StandardCharsets.UTF_8);
}
@Test(expected = IllegalArgumentException.class)
public void testURLDecodeStringInvalid02() {
// Edge case trying to trigger ArrayIndexOutOfBoundsException
UDecoder.URLDecode("%5", StandardCharsets.UTF_8);
}
@Test
public void testURLDecodeStringValidIso88591Start() {
String result = UDecoder.URLDecode("%41xxxx", StandardCharsets.ISO_8859_1);
Assert.assertEquals("Axxxx", result);
}
@Test
public void testURLDecodeStringValidIso88591Middle() {
String result = UDecoder.URLDecode("xx%41xx", StandardCharsets.ISO_8859_1);
Assert.assertEquals("xxAxx", result);
}
@Test
public void testURLDecodeStringValidIso88591End() {
String result = UDecoder.URLDecode("xxxx%41", StandardCharsets.ISO_8859_1);
Assert.assertEquals("xxxxA", result);
}
@Test
public void testURLDecodeStringValidUtf8Start() {
String result = UDecoder.URLDecode("%c3%aaxxxx", StandardCharsets.UTF_8);
Assert.assertEquals("\u00eaxxxx", result);
}
@Test
public void testURLDecodeStringValidUtf8Middle() {
String result = UDecoder.URLDecode("xx%c3%aaxx", StandardCharsets.UTF_8);
Assert.assertEquals("xx\u00eaxx", result);
}
@Test
public void testURLDecodeStringValidUtf8End() {
String result = UDecoder.URLDecode("xxxx%c3%aa", StandardCharsets.UTF_8);
Assert.assertEquals("xxxx\u00ea", result);
}
@Test
public void testURLDecodeStringNonAsciiValidNone() {
String result = UDecoder.URLDecode("\u00eaxxxx", StandardCharsets.UTF_8);
Assert.assertEquals("\u00eaxxxx", result);
}
@Test
public void testURLDecodeStringNonAsciiValidUtf8() {
String result = UDecoder.URLDecode("\u00ea%c3%aa", StandardCharsets.UTF_8);
Assert.assertEquals("\u00ea\u00ea", result);
}
@Test
public void testURLDecodeStringSolidus01() throws IOException {
doTestSolidus("xxxxxx", "xxxxxx");
}
@Test
public void testURLDecodeStringSolidus02() throws IOException {
doTestSolidus("%20xxxx", " xxxx");
}
@Test
public void testURLDecodeStringSolidus03() throws IOException {
doTestSolidus("xx%20xx", "xx xx");
}
@Test
public void testURLDecodeStringSolidus04() throws IOException {
doTestSolidus("xxxx%20", "xxxx ");
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus05a() throws IOException {
doTestSolidus("%2fxxxx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringSolidus05b() throws IOException {
String result = doTestSolidus("%2fxxxx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("%2fxxxx", result);
}
@Test
public void testURLDecodeStringSolidus05c() throws IOException {
String result = doTestSolidus("%2fxxxx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("/xxxx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus06a() throws IOException {
doTestSolidus("%2fxx%20xx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringSolidus06b() throws IOException {
String result = doTestSolidus("%2fxx%20xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("%2fxx xx", result);
}
@Test
public void testURLDecodeStringSolidus06c() throws IOException {
String result = doTestSolidus("%2fxx%20xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("/xx xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus07a() throws IOException {
doTestSolidus("xx%2f%20xx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringSolidus07b() throws IOException {
String result = doTestSolidus("xx%2f%20xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%2f xx", result);
}
@Test
public void testURLDecodeStringSolidus07c() throws IOException {
String result = doTestSolidus("xx%2f%20xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx/ xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus08a() throws IOException {
doTestSolidus("xx%20%2fxx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringSolidus08b() throws IOException {
String result = doTestSolidus("xx%20%2fxx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx %2fxx", result);
}
@Test
public void testURLDecodeStringSolidus08c() throws IOException {
String result = doTestSolidus("xx%20%2fxx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx /xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus09a() throws IOException {
doTestSolidus("xx%20xx%2f", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringSolidus09b() throws IOException {
String result = doTestSolidus("xx%20xx%2f", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx xx%2f", result);
}
@Test
public void testURLDecodeStringSolidus09c() throws IOException {
String result = doTestSolidus("xx%20xx%2f", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx xx/", result);
}
@Test
public void testURLDecodeStringSolidus10a() throws IOException {
String result = doTestSolidus("xx%25xx", EncodedSolidusHandling.REJECT);
Assert.assertEquals("xx%xx", result);
}
@Test
public void testURLDecodeStringSolidus10b() throws IOException {
String result = doTestSolidus("xx%25xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%25xx", result);
}
@Test
public void testURLDecodeStringSolidus10c() throws IOException {
String result = doTestSolidus("xx%25xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx%xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringSolidus11a() throws IOException {
String result = doTestSolidus("xx%2f%25xx", EncodedSolidusHandling.REJECT);
Assert.assertEquals("xx%xx", result);
}
@Test
public void testURLDecodeStringSolidus11b() throws IOException {
String result = doTestSolidus("xx%2f%25xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%2f%25xx", result);
}
@Test
public void testURLDecodeStringSolidus11c() throws IOException {
String result = doTestSolidus("xx%2f%25xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx/%xx", result);
}
private void doTestSolidus(String input, String expected) throws IOException {
for (EncodedSolidusHandling solidusHandling : EncodedSolidusHandling.values()) {
String result = doTestSolidus(input, solidusHandling);
Assert.assertEquals(expected, result);
}
}
private String doTestSolidus(String input, EncodedSolidusHandling solidusHandling) throws IOException {
byte[] b = input.getBytes(StandardCharsets.UTF_8);
ByteChunk bc = new ByteChunk(16);
bc.setBytes(b, 0, b.length);
bc.setCharset(StandardCharsets.UTF_8);
UDecoder udecoder = new UDecoder();
udecoder.convert(bc, solidusHandling, EncodedSolidusHandling.DECODE);
return bc.toString();
}
@Test
public void testURLDecodeStringReverseSolidus01() throws IOException {
doTestReverseSolidus("xxxxxx", "xxxxxx");
}
@Test
public void testURLDecodeStringReverseSolidus02() throws IOException {
doTestReverseSolidus("%20xxxx", " xxxx");
}
@Test
public void testURLDecodeStringReverseSolidus03() throws IOException {
doTestReverseSolidus("xx%20xx", "xx xx");
}
@Test
public void testURLDecodeStringReverseSolidus04() throws IOException {
doTestReverseSolidus("xxxx%20", "xxxx ");
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus05a() throws IOException {
doTestReverseSolidus("%5cxxxx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringReverseSolidus05b() throws IOException {
String result = doTestReverseSolidus("%5cxxxx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("%5cxxxx", result);
}
@Test
public void testURLDecodeStringReverseSolidus05c() throws IOException {
String result = doTestReverseSolidus("%5cxxxx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("\\xxxx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus06a() throws IOException {
doTestReverseSolidus("%5cxx%20xx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringReverseSolidus06b() throws IOException {
String result = doTestReverseSolidus("%5cxx%20xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("%5cxx xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus06c() throws IOException {
String result = doTestReverseSolidus("%5cxx%20xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("\\xx xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus07a() throws IOException {
doTestReverseSolidus("xx%5c%20xx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringReverseSolidus07b() throws IOException {
String result = doTestReverseSolidus("xx%5c%20xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%5c xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus07c() throws IOException {
String result = doTestReverseSolidus("xx%5c%20xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx\\ xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus08a() throws IOException {
doTestReverseSolidus("xx%20%5cxx", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringReverseSolidus08b() throws IOException {
String result = doTestReverseSolidus("xx%20%5cxx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx %5cxx", result);
}
@Test
public void testURLDecodeStringReverseSolidus08c() throws IOException {
String result = doTestReverseSolidus("xx%20%5cxx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx \\xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus09a() throws IOException {
doTestReverseSolidus("xx%20xx%5c", EncodedSolidusHandling.REJECT);
}
@Test
public void testURLDecodeStringReverseSolidus09b() throws IOException {
String result = doTestReverseSolidus("xx%20xx%5c", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx xx%5c", result);
}
@Test
public void testURLDecodeStringReverseSolidus09c() throws IOException {
String result = doTestReverseSolidus("xx%20xx%5c", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx xx\\", result);
}
@Test
public void testURLDecodeStringReverseSolidus10a() throws IOException {
String result = doTestReverseSolidus("xx%25xx", EncodedSolidusHandling.REJECT);
Assert.assertEquals("xx%xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus10b() throws IOException {
String result = doTestReverseSolidus("xx%25xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%25xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus10c() throws IOException {
String result = doTestReverseSolidus("xx%25xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx%xx", result);
}
@Test(expected = CharConversionException.class)
public void testURLDecodeStringReverseSolidus11a() throws IOException {
String result = doTestReverseSolidus("xx%5c%25xx", EncodedSolidusHandling.REJECT);
Assert.assertEquals("xx%xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus11b() throws IOException {
String result = doTestReverseSolidus("xx%5c%25xx", EncodedSolidusHandling.PASS_THROUGH);
Assert.assertEquals("xx%5c%25xx", result);
}
@Test
public void testURLDecodeStringReverseSolidus11c() throws IOException {
String result = doTestReverseSolidus("xx%5c%25xx", EncodedSolidusHandling.DECODE);
Assert.assertEquals("xx\\%xx", result);
}
private void doTestReverseSolidus(String input, String expected) throws IOException {
for (EncodedSolidusHandling solidusHandling : EncodedSolidusHandling.values()) {
String result = doTestReverseSolidus(input, solidusHandling);
Assert.assertEquals(expected, result);
}
}
private String doTestReverseSolidus(String input, EncodedSolidusHandling reverseSolidusHandling) throws IOException {
byte[] b = input.getBytes(StandardCharsets.UTF_8);
ByteChunk bc = new ByteChunk(16);
bc.setBytes(b, 0, b.length);
bc.setCharset(StandardCharsets.UTF_8);
UDecoder udecoder = new UDecoder();
udecoder.convert(bc, EncodedSolidusHandling.REJECT, reverseSolidusHandling);
return bc.toString();
}
}