637 lines
25 KiB
Java
637 lines
25 KiB
Java
/*
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* Copyright (c) 2012, 2022, 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 4235519 8004212 8005394 8007298 8006295 8006315 8006530 8007379 8008925
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* 8014217 8025003 8026330 8028397 8129544 8165243 8176379 8222187
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* @summary tests java.util.Base64
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* @library /test/lib
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* @build jdk.test.lib.RandomFactory
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* @run main TestBase64
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* @key randomness
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*/
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.util.ArrayList;
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import java.util.Base64;
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import java.util.List;
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import java.util.Random;
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import jdk.test.lib.RandomFactory;
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public class TestBase64 {
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private static final Random rnd = RandomFactory.getRandom();
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public static void main(String args[]) throws Throwable {
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int numRuns = 10;
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int numBytes = 200;
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if (args.length > 1) {
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numRuns = Integer.parseInt(args[0]);
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numBytes = Integer.parseInt(args[1]);
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}
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test(Base64.getEncoder(), Base64.getDecoder(), numRuns, numBytes);
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test(Base64.getUrlEncoder(), Base64.getUrlDecoder(), numRuns, numBytes);
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test(Base64.getMimeEncoder(), Base64.getMimeDecoder(), numRuns, numBytes);
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byte[] nl_1 = new byte[] {'\n'};
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byte[] nl_2 = new byte[] {'\n', '\r'};
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byte[] nl_3 = new byte[] {'\n', '\r', '\n'};
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for (int i = 0; i < 10; i++) {
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int len = rnd.nextInt(200) + 4;
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test(Base64.getMimeEncoder(len, nl_1),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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test(Base64.getMimeEncoder(len, nl_2),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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test(Base64.getMimeEncoder(len, nl_3),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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}
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// test mime case with < 4 length
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for (int len = 0; len < 4; len++) {
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test(Base64.getMimeEncoder(len, nl_1),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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test(Base64.getMimeEncoder(len, nl_2),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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test(Base64.getMimeEncoder(len, nl_3),
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Base64.getMimeDecoder(),
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numRuns, numBytes);
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}
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testNull(Base64.getEncoder());
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testNull(Base64.getUrlEncoder());
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testNull(Base64.getMimeEncoder());
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testNull(Base64.getMimeEncoder(10, new byte[]{'\n'}));
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testNull(Base64.getDecoder());
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testNull(Base64.getUrlDecoder());
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testNull(Base64.getMimeDecoder());
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checkNull(() -> Base64.getMimeEncoder(10, null));
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testIOE(Base64.getEncoder());
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testIOE(Base64.getUrlEncoder());
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testIOE(Base64.getMimeEncoder());
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testIOE(Base64.getMimeEncoder(10, new byte[]{'\n'}));
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byte[] src = new byte[1024];
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rnd.nextBytes(src);
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final byte[] decoded = Base64.getEncoder().encode(src);
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testIOE(Base64.getDecoder(), decoded);
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testIOE(Base64.getMimeDecoder(), decoded);
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testIOE(Base64.getUrlDecoder(), Base64.getUrlEncoder().encode(src));
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// illegal line separator
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checkIAE(() -> Base64.getMimeEncoder(10, new byte[]{'\r', 'N'}));
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// malformed padding/ending
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testMalformedPadding();
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// illegal base64 character
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decoded[2] = (byte)0xe0;
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checkIAE(() -> Base64.getDecoder().decode(decoded));
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checkIAE(() -> Base64.getDecoder().decode(decoded, new byte[1024]));
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checkIAE(() -> Base64.getDecoder().decode(ByteBuffer.wrap(decoded)));
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// test single-non-base64 character for mime decoding
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testSingleNonBase64MimeDec();
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// test decoding of unpadded data
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testDecodeUnpadded();
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// test mime decoding with ignored character after padding
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testDecodeIgnoredAfterPadding();
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// given invalid args, encoder should not produce output
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testEncoderKeepsSilence(Base64.getEncoder());
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testEncoderKeepsSilence(Base64.getUrlEncoder());
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testEncoderKeepsSilence(Base64.getMimeEncoder());
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// given invalid args, decoder should not consume input
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testDecoderKeepsAbstinence(Base64.getDecoder());
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testDecoderKeepsAbstinence(Base64.getUrlDecoder());
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testDecoderKeepsAbstinence(Base64.getMimeDecoder());
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// tests patch addressing JDK-8222187
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// https://bugs.openjdk.org/browse/JDK-8222187
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testJDK_8222187();
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}
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private static void test(Base64.Encoder enc, Base64.Decoder dec,
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int numRuns, int numBytes) throws Throwable {
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enc.encode(new byte[0]);
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dec.decode(new byte[0]);
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for (boolean withoutPadding : new boolean[] { false, true}) {
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if (withoutPadding) {
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enc = enc.withoutPadding();
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}
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for (int i=0; i<numRuns; i++) {
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for (int j=1; j<numBytes; j++) {
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byte[] orig = new byte[j];
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rnd.nextBytes(orig);
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// --------testing encode/decode(byte[])--------
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byte[] encoded = enc.encode(orig);
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byte[] decoded = dec.decode(encoded);
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checkEqual(orig, decoded,
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"Base64 array encoding/decoding failed!");
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if (withoutPadding) {
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if (encoded[encoded.length - 1] == '=')
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throw new RuntimeException(
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"Base64 enc.encode().withoutPadding() has padding!");
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}
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// --------testing encodetoString(byte[])/decode(String)--------
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String str = enc.encodeToString(orig);
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if (!Arrays.equals(str.getBytes("ASCII"), encoded)) {
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throw new RuntimeException(
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"Base64 encodingToString() failed!");
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}
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byte[] buf = dec.decode(new String(encoded, "ASCII"));
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checkEqual(buf, orig, "Base64 decoding(String) failed!");
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//-------- testing encode/decode(Buffer)--------
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testEncode(enc, ByteBuffer.wrap(orig), encoded);
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ByteBuffer bin = ByteBuffer.allocateDirect(orig.length);
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bin.put(orig).flip();
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testEncode(enc, bin, encoded);
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testDecode(dec, ByteBuffer.wrap(encoded), orig);
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bin = ByteBuffer.allocateDirect(encoded.length);
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bin.put(encoded).flip();
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testDecode(dec, bin, orig);
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// --------testing decode.wrap(input stream)--------
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// 1) random buf length
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ByteArrayInputStream bais = new ByteArrayInputStream(encoded);
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InputStream is = dec.wrap(bais);
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buf = new byte[orig.length + 10];
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int len = orig.length;
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int off = 0;
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while (true) {
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int n = rnd.nextInt(len);
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if (n == 0)
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n = 1;
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n = is.read(buf, off, n);
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if (n == -1) {
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checkEqual(off, orig.length,
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"Base64 stream decoding failed");
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break;
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}
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off += n;
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len -= n;
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if (len == 0)
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break;
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}
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buf = Arrays.copyOf(buf, off);
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checkEqual(buf, orig, "Base64 stream decoding failed!");
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// 2) read one byte each
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bais.reset();
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is = dec.wrap(bais);
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buf = new byte[orig.length + 10];
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off = 0;
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int b;
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while ((b = is.read()) != -1) {
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buf[off++] = (byte)b;
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}
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buf = Arrays.copyOf(buf, off);
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checkEqual(buf, orig, "Base64 stream decoding failed!");
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// --------testing encode.wrap(output stream)--------
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ByteArrayOutputStream baos = new ByteArrayOutputStream((orig.length + 2) / 3 * 4 + 10);
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OutputStream os = enc.wrap(baos);
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off = 0;
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len = orig.length;
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for (int k = 0; k < 5; k++) {
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if (len == 0)
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break;
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int n = rnd.nextInt(len);
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if (n == 0)
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n = 1;
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os.write(orig, off, n);
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off += n;
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len -= n;
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}
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if (len != 0)
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os.write(orig, off, len);
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os.close();
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buf = baos.toByteArray();
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checkEqual(buf, encoded, "Base64 stream encoding failed!");
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// 2) write one byte each
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baos.reset();
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os = enc.wrap(baos);
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off = 0;
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while (off < orig.length) {
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os.write(orig[off++]);
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}
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os.close();
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buf = baos.toByteArray();
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checkEqual(buf, encoded, "Base64 stream encoding failed!");
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// --------testing encode(in, out); -> bigger buf--------
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buf = new byte[encoded.length + rnd.nextInt(100)];
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int ret = enc.encode(orig, buf);
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checkEqual(ret, encoded.length,
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"Base64 enc.encode(src, null) returns wrong size!");
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buf = Arrays.copyOf(buf, ret);
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checkEqual(buf, encoded,
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"Base64 enc.encode(src, dst) failed!");
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// --------testing decode(in, out); -> bigger buf--------
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buf = new byte[orig.length + rnd.nextInt(100)];
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ret = dec.decode(encoded, buf);
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checkEqual(ret, orig.length,
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"Base64 enc.encode(src, null) returns wrong size!");
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buf = Arrays.copyOf(buf, ret);
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checkEqual(buf, orig,
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"Base64 dec.decode(src, dst) failed!");
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}
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}
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}
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}
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private static final byte[] ba_null = null;
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private static final String str_null = null;
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private static final ByteBuffer bb_null = null;
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private static void testNull(Base64.Encoder enc) {
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checkNull(() -> enc.encode(ba_null));
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checkNull(() -> enc.encodeToString(ba_null));
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checkNull(() -> enc.encode(ba_null, new byte[10]));
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checkNull(() -> enc.encode(new byte[10], ba_null));
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checkNull(() -> enc.encode(bb_null));
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checkNull(() -> enc.wrap((OutputStream)null));
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}
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private static void testNull(Base64.Decoder dec) {
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checkNull(() -> dec.decode(ba_null));
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checkNull(() -> dec.decode(str_null));
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checkNull(() -> dec.decode(ba_null, new byte[10]));
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checkNull(() -> dec.decode(new byte[10], ba_null));
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checkNull(() -> dec.decode(bb_null));
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checkNull(() -> dec.wrap((InputStream)null));
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}
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@FunctionalInterface
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private static interface Testable {
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public void test() throws Throwable;
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}
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private static void testIOE(Base64.Encoder enc) throws Throwable {
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ByteArrayOutputStream baos = new ByteArrayOutputStream(8192);
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OutputStream os = enc.wrap(baos);
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os.write(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9});
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os.close();
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checkIOE(() -> os.write(10));
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checkIOE(() -> os.write(new byte[] {10}));
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checkIOE(() -> os.write(new byte[] {10}, 1, 4));
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}
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private static void testIOE(Base64.Decoder dec, byte[] decoded) throws Throwable {
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ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
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InputStream is = dec.wrap(bais);
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is.read(new byte[10]);
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is.close();
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checkIOE(() -> is.read());
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checkIOE(() -> is.read(new byte[] {10}));
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checkIOE(() -> is.read(new byte[] {10}, 1, 4));
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checkIOE(() -> is.available());
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checkIOE(() -> is.skip(20));
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}
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private static final void checkNull(Runnable r) {
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try {
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r.run();
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throw new RuntimeException("NPE is not thrown as expected");
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} catch (NullPointerException npe) {}
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}
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private static final void checkIOE(Testable t) throws Throwable {
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try {
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t.test();
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throw new RuntimeException("IOE is not thrown as expected");
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} catch (IOException ioe) {}
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}
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private static final void checkIAE(Runnable r) throws Throwable {
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try {
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r.run();
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throw new RuntimeException("IAE is not thrown as expected");
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} catch (IllegalArgumentException iae) {}
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}
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private static void testDecodeIgnoredAfterPadding() throws Throwable {
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for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
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byte[][] src = new byte[][] {
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"A".getBytes("ascii"),
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"AB".getBytes("ascii"),
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"ABC".getBytes("ascii"),
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"ABCD".getBytes("ascii"),
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"ABCDE".getBytes("ascii")
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};
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Base64.Encoder encM = Base64.getMimeEncoder();
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Base64.Decoder decM = Base64.getMimeDecoder();
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Base64.Encoder enc = Base64.getEncoder();
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Base64.Decoder dec = Base64.getDecoder();
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for (int i = 0; i < src.length; i++) {
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// decode(byte[])
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byte[] encoded = encM.encode(src[i]);
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encoded = Arrays.copyOf(encoded, encoded.length + 1);
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encoded[encoded.length - 1] = nonBase64;
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checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
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byte[] decoded = new byte[src[i].length];
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decM.decode(encoded, decoded);
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checkEqual(decoded, src[i], "Non-base64 char is not ignored");
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try {
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dec.decode(encoded);
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throw new RuntimeException("No IAE for non-base64 char");
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} catch (IllegalArgumentException iae) {}
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}
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}
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}
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private static void testMalformedPadding() throws Throwable {
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Object[] data = new Object[] {
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"$=#", "", 0, // illegal ending unit
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"A", "", 0, // dangling single byte
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"A=", "", 0,
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"A==", "", 0,
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"QUJDA", "ABC", 4,
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"QUJDA=", "ABC", 4,
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"QUJDA==", "ABC", 4,
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"=", "", 0, // unnecessary padding
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"QUJD=", "ABC", 4, //"ABC".encode() -> "QUJD"
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"AA=", "", 0, // incomplete padding
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"QQ=", "", 0,
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"QQ=N", "", 0, // incorrect padding
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"QQ=?", "", 0,
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"QUJDQQ=", "ABC", 4,
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"QUJDQQ=N", "ABC", 4,
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"QUJDQQ=?", "ABC", 4,
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};
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Base64.Decoder[] decs = new Base64.Decoder[] {
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Base64.getDecoder(),
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Base64.getUrlDecoder(),
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Base64.getMimeDecoder()
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};
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for (Base64.Decoder dec : decs) {
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for (int i = 0; i < data.length; i += 3) {
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final String srcStr = (String)data[i];
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final byte[] srcBytes = srcStr.getBytes("ASCII");
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final ByteBuffer srcBB = ByteBuffer.wrap(srcBytes);
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byte[] expected = ((String)data[i + 1]).getBytes("ASCII");
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int pos = (Integer)data[i + 2];
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// decode(byte[])
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checkIAE(() -> dec.decode(srcBytes));
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// decode(String)
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checkIAE(() -> dec.decode(srcStr));
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// decode(ByteBuffer)
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checkIAE(() -> dec.decode(srcBB));
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// wrap stream
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checkIOE(new Testable() {
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public void test() throws IOException {
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try (InputStream is = dec.wrap(new ByteArrayInputStream(srcBytes))) {
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while (is.read() != -1);
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}
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}});
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}
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}
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// anything left after padding is "invalid"/IAE, if
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// not MIME. In case of MIME, non-base64 character(s)
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// is ignored.
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checkIAE(() -> Base64.getDecoder().decode("AA==\u00D2"));
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checkIAE(() -> Base64.getUrlDecoder().decode("AA==\u00D2"));
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Base64.getMimeDecoder().decode("AA==\u00D2");
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}
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private static void testDecodeUnpadded() throws Throwable {
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byte[] srcA = new byte[] { 'Q', 'Q' };
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byte[] srcAA = new byte[] { 'Q', 'Q', 'E'};
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Base64.Decoder dec = Base64.getDecoder();
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byte[] ret = dec.decode(srcA);
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if (ret[0] != 'A')
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throw new RuntimeException("Decoding unpadding input A failed");
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ret = dec.decode(srcAA);
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if (ret[0] != 'A' && ret[1] != 'A')
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throw new RuntimeException("Decoding unpadding input AA failed");
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ret = new byte[10];
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if (dec.wrap(new ByteArrayInputStream(srcA)).read(ret) != 1 &&
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ret[0] != 'A')
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throw new RuntimeException("Decoding unpadding input A from stream failed");
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if (dec.wrap(new ByteArrayInputStream(srcA)).read(ret) != 2 &&
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ret[0] != 'A' && ret[1] != 'A')
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throw new RuntimeException("Decoding unpadding input AA from stream failed");
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}
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// single-non-base64-char should be ignored for mime decoding, but
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// iae for basic decoding
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private static void testSingleNonBase64MimeDec() throws Throwable {
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for (String nonBase64 : new String[] {"#", "(", "!", "\\", "-", "_"}) {
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if (Base64.getMimeDecoder().decode(nonBase64).length != 0) {
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throw new RuntimeException("non-base64 char is not ignored");
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}
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try {
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Base64.getDecoder().decode(nonBase64);
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throw new RuntimeException("No IAE for single non-base64 char");
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} catch (IllegalArgumentException iae) {}
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}
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}
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private static final void testEncode(Base64.Encoder enc, ByteBuffer bin, byte[] expected)
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throws Throwable {
|
|
|
|
ByteBuffer bout = enc.encode(bin);
|
|
byte[] buf = new byte[bout.remaining()];
|
|
bout.get(buf);
|
|
if (bin.hasRemaining()) {
|
|
throw new RuntimeException(
|
|
"Base64 enc.encode(ByteBuffer) failed!");
|
|
}
|
|
checkEqual(buf, expected, "Base64 enc.encode(bf, bf) failed!");
|
|
}
|
|
|
|
private static final void testDecode(Base64.Decoder dec, ByteBuffer bin, byte[] expected)
|
|
throws Throwable {
|
|
|
|
ByteBuffer bout = dec.decode(bin);
|
|
byte[] buf = new byte[bout.remaining()];
|
|
bout.get(buf);
|
|
checkEqual(buf, expected, "Base64 dec.decode(bf) failed!");
|
|
}
|
|
|
|
private static final void checkEqual(int v1, int v2, String msg)
|
|
throws Throwable {
|
|
if (v1 != v2) {
|
|
System.out.printf(" v1=%d%n", v1);
|
|
System.out.printf(" v2=%d%n", v2);
|
|
throw new RuntimeException(msg);
|
|
}
|
|
}
|
|
|
|
private static final void checkEqual(byte[] r1, byte[] r2, String msg)
|
|
throws Throwable {
|
|
if (!Arrays.equals(r1, r2)) {
|
|
System.out.printf(" r1[%d]=[%s]%n", r1.length, new String(r1));
|
|
System.out.printf(" r2[%d]=[%s]%n", r2.length, new String(r2));
|
|
throw new RuntimeException(msg);
|
|
}
|
|
}
|
|
|
|
// remove line feeds,
|
|
private static final byte[] normalize(byte[] src) {
|
|
int n = 0;
|
|
boolean hasUrl = false;
|
|
for (int i = 0; i < src.length; i++) {
|
|
if (src[i] == '\r' || src[i] == '\n')
|
|
n++;
|
|
if (src[i] == '-' || src[i] == '_')
|
|
hasUrl = true;
|
|
}
|
|
if (n == 0 && hasUrl == false)
|
|
return src;
|
|
byte[] ret = new byte[src.length - n];
|
|
int j = 0;
|
|
for (int i = 0; i < src.length; i++) {
|
|
if (src[i] == '-')
|
|
ret[j++] = '+';
|
|
else if (src[i] == '_')
|
|
ret[j++] = '/';
|
|
else if (src[i] != '\r' && src[i] != '\n')
|
|
ret[j++] = src[i];
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private static void testEncoderKeepsSilence(Base64.Encoder enc)
|
|
throws Throwable {
|
|
List<Integer> vals = new ArrayList<>(List.of(Integer.MIN_VALUE,
|
|
Integer.MIN_VALUE + 1, -1111, -2, -1, 0, 1, 2, 3, 1111,
|
|
Integer.MAX_VALUE - 1, Integer.MAX_VALUE));
|
|
vals.addAll(List.of(rnd.nextInt(), rnd.nextInt(), rnd.nextInt(),
|
|
rnd.nextInt()));
|
|
byte[] buf = new byte[] {1, 0, 91};
|
|
for (int off : vals) {
|
|
for (int len : vals) {
|
|
if (off >= 0 && len >= 0 && off <= buf.length - len) {
|
|
// valid args, skip them
|
|
continue;
|
|
}
|
|
// invalid args, test them
|
|
System.out.println("testing off=" + off + ", len=" + len);
|
|
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream(100);
|
|
try (OutputStream os = enc.wrap(baos)) {
|
|
os.write(buf, off, len);
|
|
throw new RuntimeException("Expected IOOBEx was not thrown");
|
|
} catch (IndexOutOfBoundsException expected) {
|
|
}
|
|
if (baos.size() > 0)
|
|
throw new RuntimeException("No output was expected, but got "
|
|
+ baos.size() + " bytes");
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void testDecoderKeepsAbstinence(Base64.Decoder dec)
|
|
throws Throwable {
|
|
List<Integer> vals = new ArrayList<>(List.of(Integer.MIN_VALUE,
|
|
Integer.MIN_VALUE + 1, -1111, -2, -1, 0, 1, 2, 3, 1111,
|
|
Integer.MAX_VALUE - 1, Integer.MAX_VALUE));
|
|
vals.addAll(List.of(rnd.nextInt(), rnd.nextInt(), rnd.nextInt(),
|
|
rnd.nextInt()));
|
|
byte[] buf = new byte[3];
|
|
for (int off : vals) {
|
|
for (int len : vals) {
|
|
if (off >= 0 && len >= 0 && off <= buf.length - len) {
|
|
// valid args, skip them
|
|
continue;
|
|
}
|
|
// invalid args, test them
|
|
System.out.println("testing off=" + off + ", len=" + len);
|
|
|
|
String input = "AAAAAAAAAAAAAAAAAAAAAA";
|
|
ByteArrayInputStream bais =
|
|
new ByteArrayInputStream(input.getBytes("Latin1"));
|
|
try (InputStream is = dec.wrap(bais)) {
|
|
is.read(buf, off, len);
|
|
throw new RuntimeException("Expected IOOBEx was not thrown");
|
|
} catch (IndexOutOfBoundsException expected) {
|
|
}
|
|
if (bais.available() != input.length())
|
|
throw new RuntimeException("No input should be consumed, "
|
|
+ "but consumed " + (input.length() - bais.available())
|
|
+ " bytes");
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void testJDK_8222187() throws Throwable {
|
|
byte[] orig = "12345678".getBytes("US-ASCII");
|
|
byte[] encoded = Base64.getEncoder().encode(orig);
|
|
// decode using different buffer sizes, up to a longer one than needed
|
|
for (int bufferSize = 1; bufferSize <= encoded.length + 1; bufferSize++) {
|
|
try (
|
|
InputStream in = Base64.getDecoder().wrap(
|
|
new ByteArrayInputStream(encoded));
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
) {
|
|
byte[] buffer = new byte[bufferSize];
|
|
int read;
|
|
while ((read = in.read(buffer, 0, bufferSize)) >= 0) {
|
|
baos.write(buffer, 0, read);
|
|
}
|
|
// compare result, output info if lengths do not match
|
|
byte[] decoded = baos.toByteArray();
|
|
checkEqual(decoded, orig, "Base64 stream decoding failed!");
|
|
}
|
|
}
|
|
}
|
|
}
|