/*
* 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);
}
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);
return bc.toString();
}
}