mirror of https://github.com/apache/jclouds.git
changed to use FlexBase64 from Jason Greene
This commit is contained in:
Adrian Cole
parent
e66219c16e
commit
6a20e00102
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@ -24,13 +24,14 @@ import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import javax.crypto.Mac;
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import org.jclouds.encryption.internal.Base64;
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import org.jclouds.encoding.internal.FlexBase64;
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import org.jclouds.io.InputSuppliers;
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import com.google.common.annotations.Beta;
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@ -75,7 +76,7 @@ public class CryptoStreams {
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}
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public static String base64(byte[] in) {
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return Base64.encodeBytes(in, Base64.DONT_BREAK_LINES);
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return new String(FlexBase64.encodeBytes(in, 0, in.length, false), Charsets.US_ASCII);
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}
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/**
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@ -91,33 +92,7 @@ public class CryptoStreams {
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*/
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@Beta
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public static String base64Url(byte[] in) {
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String provisional = base64(in);
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int length = provisional.length();
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if (length == 0)
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return provisional;
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// we know base64 is in 4 character chunks, so out of bounds risk here
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else if (provisional.charAt(length - 2) == '=')
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length-=2;
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else if (provisional.charAt(length - 1) == '=')
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length-=1;
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char[] tmp = new char[length];
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for (int i = 0; i < length; i++) {
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char c = provisional.charAt(i);
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switch (c) {
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case '+':
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tmp[i] = '-';
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break;
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case '/':
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tmp[i] = '_';
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break;
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default:
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tmp[i] = c;
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break;
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}
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}
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return new String(tmp);
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return FlexBase64.encodeURLString(in, 0, in.length);
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}
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/**
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@ -130,7 +105,15 @@ public class CryptoStreams {
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* encoding</a>
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*/
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public static byte[] base64(String in) {
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return Base64.decode(in);
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try {
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ByteBuffer buffer = FlexBase64.decode(in);
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byte [] returnVal = new byte [buffer.limit()];
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System.arraycopy(buffer.array(), buffer.arrayOffset(), returnVal, 0, buffer.limit());
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return returnVal;
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} catch (IOException e) {
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// unlikely as this is not reading from a stream
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throw Throwables.propagate(e);
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}
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}
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/**
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
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@ -23,10 +23,9 @@ import static com.google.common.base.Preconditions.checkNotNull;
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import java.io.IOException;
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import java.io.InputStream;
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import org.jclouds.encryption.internal.Base64;
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import org.jclouds.encoding.internal.FlexBase64;
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import com.google.common.annotations.Beta;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Charsets;
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import com.google.common.io.ByteStreams;
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import com.google.common.io.InputSupplier;
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@ -41,35 +40,27 @@ public class InputSuppliers {
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/**
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* base64 encodes bytes from the supplied supplier as they are read.
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*/
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public static Base64InputSupplier base64Encoder(InputSupplier<? extends InputStream> supplier) throws IOException {
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return new Base64InputSupplier(supplier, Base64.ENCODE + Base64.DONT_BREAK_LINES);
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public static InputSupplier<InputStream> base64Encoder(final InputSupplier<? extends InputStream> supplier) throws IOException {
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return new InputSupplier<InputStream>() {
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@Override
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public InputStream getInput() throws IOException {
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return FlexBase64.createEncoderInputStream(supplier.getInput(), 8192, false);
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}
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};
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}
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/**
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* base64 decodes bytes from the supplied supplier as they are read.
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*/
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public static Base64InputSupplier base64Decoder(InputSupplier<? extends InputStream> supplier) throws IOException {
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return new Base64InputSupplier(supplier, Base64.DECODE);
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public static InputSupplier<InputStream> base64Decoder(final InputSupplier<? extends InputStream> supplier) throws IOException {
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return new InputSupplier<InputStream>() {
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@Override
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public InputStream getInput() throws IOException {
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return FlexBase64.createDecoderInputStream(supplier.getInput());
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}
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};
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}
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@VisibleForTesting
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static class Base64InputSupplier implements InputSupplier<InputStream> {
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private final InputSupplier<? extends InputStream> delegate;
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private final int mode;
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Base64InputSupplier(InputSupplier<? extends InputStream> inputSupplier, int mode) {
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this.delegate = checkNotNull(inputSupplier, "delegate");
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this.mode = mode;
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}
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@Override
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public InputStream getInput() throws IOException {
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return new Base64.InputStream(delegate.getInput(), mode);
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}
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}
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public static InputSupplier<? extends InputStream> of(final InputStream in) {
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checkNotNull(in, "in");
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return new InputSupplier<InputStream>() {
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@ -92,7 +92,9 @@ public class CryptoStreamsTest {
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@Test
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public void testBase64DecodeWithoutSinglePad() {
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assertEquals(new String(CryptoStreams.base64("YW55IGNhcm5hbCBwbGVhc3U="), Charsets.UTF_8), "any carnal pleasu");
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String expect = "any carnal pleasu";
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String compare = new String(CryptoStreams.base64("YW55IGNhcm5hbCBwbGVhc3U="), Charsets.UTF_8);
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assertEquals(compare,expect);
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assertEquals(new String(CryptoStreams.base64("YW55IGNhcm5hbCBwbGVhc3U"), Charsets.UTF_8), "any carnal pleasu");
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}
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@ -0,0 +1,514 @@
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
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* contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. jclouds licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.encoding.internal;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.ByteBuffer;
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import org.testng.Assert;
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import org.testng.annotations.Test;
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import com.google.common.primitives.Bytes;
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/**
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* @author Jason T. Greene
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*/
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public class FlexBase64Test {
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public static final String TOWEL = "A towel, it says, is about the most massively useful thing an interstellar " +
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"hitchhiker can have. Partly it has great practical value - you can wrap it around you for warmth as you " +
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"bound across the cold moons of Jaglan Beta; you can lie on it on the brilliant marble-sanded beaches of " +
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"Santraginus V, inhaling the heady sea vapours; you can sleep under it beneath the stars which shine so " +
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"redly on the desert world of Kakrafoon; use it to sail a mini raft down the slow heavy river Moth; wet " +
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"it for use in hand-to- hand-combat; wrap it round your head to ward off noxious fumes or to avoid the " +
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"gaze of the Ravenous Bugblatter Beast of Traal (a mindboggingly stupid animal, it assumes that if you " +
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"can't see it, it can't see you - daft as a bush, but very ravenous); you can wave your towel in " +
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"emergencies as a distress signal, and of course dry yourself off with it if it still seems to be clean " +
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"enough." +
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"\n\n" +
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"More importantly, a towel has immense psychological value. For some reason, if a strag " +
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"(strag: non-hitch hiker) discovers that a hitch hiker has his towel with him, he will automatically " +
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"assume that he is also in possession of a toothbrush, face flannel, soap, tin of biscuits, flask, compass, " +
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"map, ball of string, gnat spray, wet weather gear, space suit etc., etc. Furthermore, the strag will then " +
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"happily lend the hitch hiker any of these or a dozen other items that the hitch hiker might accidentally " +
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"have \"lost\". What the strag will think is that any man who can hitch the length and breadth of the " +
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"galaxy, rough it, slum it, struggle against terrible odds, win through, and still knows where his towel " +
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"is is clearly a man to be reckoned with.\n";
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public static final String TOWEL_BASE64 =
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"QSB0b3dlbCwgaXQgc2F5cywgaXMgYWJvdXQgdGhlIG1vc3QgbWFzc2l2ZWx5IHVzZWZ1bCB0aGlu\r\n"+
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"ZyBhbiBpbnRlcnN0ZWxsYXIgaGl0Y2hoaWtlciBjYW4gaGF2ZS4gUGFydGx5IGl0IGhhcyBncmVh\r\n"+
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"dCBwcmFjdGljYWwgdmFsdWUgLSB5b3UgY2FuIHdyYXAgaXQgYXJvdW5kIHlvdSBmb3Igd2FybXRo\r\n"+
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"IGFzIHlvdSBib3VuZCBhY3Jvc3MgdGhlIGNvbGQgbW9vbnMgb2YgSmFnbGFuIEJldGE7IHlvdSBj\r\n"+
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"YW4gbGllIG9uIGl0IG9uIHRoZSBicmlsbGlhbnQgbWFyYmxlLXNhbmRlZCBiZWFjaGVzIG9mIFNh\r\n"+
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"bnRyYWdpbnVzIFYsIGluaGFsaW5nIHRoZSBoZWFkeSBzZWEgdmFwb3VyczsgeW91IGNhbiBzbGVl\r\n"+
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"cCB1bmRlciBpdCBiZW5lYXRoIHRoZSBzdGFycyB3aGljaCBzaGluZSBzbyByZWRseSBvbiB0aGUg\r\n"+
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"ZGVzZXJ0IHdvcmxkIG9mIEtha3JhZm9vbjsgdXNlIGl0IHRvIHNhaWwgYSBtaW5pIHJhZnQgZG93\r\n"+
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"biB0aGUgc2xvdyBoZWF2eSByaXZlciBNb3RoOyB3ZXQgaXQgZm9yIHVzZSBpbiBoYW5kLXRvLSBo\r\n"+
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"YW5kLWNvbWJhdDsgd3JhcCBpdCByb3VuZCB5b3VyIGhlYWQgdG8gd2FyZCBvZmYgbm94aW91cyBm\r\n"+
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"dW1lcyBvciB0byBhdm9pZCB0aGUgZ2F6ZSBvZiB0aGUgUmF2ZW5vdXMgQnVnYmxhdHRlciBCZWFz\r\n"+
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"dCBvZiBUcmFhbCAoYSBtaW5kYm9nZ2luZ2x5IHN0dXBpZCBhbmltYWwsIGl0IGFzc3VtZXMgdGhh\r\n"+
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"dCBpZiB5b3UgY2FuJ3Qgc2VlIGl0LCBpdCBjYW4ndCBzZWUgeW91IC0gZGFmdCBhcyBhIGJ1c2gs\r\n"+
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"IGJ1dCB2ZXJ5IHJhdmVub3VzKTsgeW91IGNhbiB3YXZlIHlvdXIgdG93ZWwgaW4gZW1lcmdlbmNp\r\n"+
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"ZXMgYXMgYSBkaXN0cmVzcyBzaWduYWwsIGFuZCBvZiBjb3Vyc2UgZHJ5IHlvdXJzZWxmIG9mZiB3\r\n"+
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"aXRoIGl0IGlmIGl0IHN0aWxsIHNlZW1zIHRvIGJlIGNsZWFuIGVub3VnaC4KCk1vcmUgaW1wb3J0\r\n"+
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"YW50bHksIGEgdG93ZWwgaGFzIGltbWVuc2UgcHN5Y2hvbG9naWNhbCB2YWx1ZS4gRm9yIHNvbWUg\r\n"+
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"cmVhc29uLCBpZiBhIHN0cmFnIChzdHJhZzogbm9uLWhpdGNoIGhpa2VyKSBkaXNjb3ZlcnMgdGhh\r\n"+
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"dCBhIGhpdGNoIGhpa2VyIGhhcyBoaXMgdG93ZWwgd2l0aCBoaW0sIGhlIHdpbGwgYXV0b21hdGlj\r\n"+
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"YWxseSBhc3N1bWUgdGhhdCBoZSBpcyBhbHNvIGluIHBvc3Nlc3Npb24gb2YgYSB0b290aGJydXNo\r\n"+
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"LCBmYWNlIGZsYW5uZWwsIHNvYXAsIHRpbiBvZiBiaXNjdWl0cywgZmxhc2ssIGNvbXBhc3MsIG1h\r\n"+
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"cCwgYmFsbCBvZiBzdHJpbmcsIGduYXQgc3ByYXksIHdldCB3ZWF0aGVyIGdlYXIsIHNwYWNlIHN1\r\n"+
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"aXQgZXRjLiwgZXRjLiBGdXJ0aGVybW9yZSwgdGhlIHN0cmFnIHdpbGwgdGhlbiBoYXBwaWx5IGxl\r\n"+
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"bmQgdGhlIGhpdGNoIGhpa2VyIGFueSBvZiB0aGVzZSBvciBhIGRvemVuIG90aGVyIGl0ZW1zIHRo\r\n"+
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"YXQgdGhlIGhpdGNoIGhpa2VyIG1pZ2h0IGFjY2lkZW50YWxseSBoYXZlICJsb3N0Ii4gV2hhdCB0\r\n"+
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"aGUgc3RyYWcgd2lsbCB0aGluayBpcyB0aGF0IGFueSBtYW4gd2hvIGNhbiBoaXRjaCB0aGUgbGVu\r\n"+
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"Z3RoIGFuZCBicmVhZHRoIG9mIHRoZSBnYWxheHksIHJvdWdoIGl0LCBzbHVtIGl0LCBzdHJ1Z2ds\r\n"+
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"ZSBhZ2FpbnN0IHRlcnJpYmxlIG9kZHMsIHdpbiB0aHJvdWdoLCBhbmQgc3RpbGwga25vd3Mgd2hl\r\n"+
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"cmUgaGlzIHRvd2VsIGlzIGlzIGNsZWFybHkgYSBtYW4gdG8gYmUgcmVja29uZWQgd2l0aC4K\r\n";
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private static final String KNOWLEDGE =
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"Man is distinguished, not only by his reason, but by this singular passion from " +
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"other animals, which is a lust of the mind, that by a perseverance of delight " +
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"in the continued and indefatigable generation of knowledge, exceeds the short " +
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"vehemence of any carnal pleasure.";
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private static final String KNOWLEDGE_ENCODED =
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"TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\r\n" +
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"IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\r\n" +
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"dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\r\n" +
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"dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\r\n" +
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"ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=\r\n";
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@Test
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public void testEncoderDecoder() throws IOException {
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byte[] nums = new byte[32768];
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for (int i = 0; i < 32768; i++) {
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nums[i] = (byte) (i % 255);
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}
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byte[] output = new byte[65535];
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FlexBase64.Encoder encoder = FlexBase64.createEncoder(true);
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int last = encoder.encode(nums, 0, nums.length, output, 0, output.length);
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last = encoder.complete(output, last);
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byte[] decode = new byte[nums.length];
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FlexBase64.Decoder decoder = FlexBase64.createDecoder();
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last = decoder.decode(output, 0, last, decode, 0, decode.length);
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Assert.assertEquals(nums.length, last);
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for (int i = 0; i < last; i++) {
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Assert.assertEquals(nums[i], decode[i]);
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}
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}
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@Test
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public void testEncoderDecoderBuffer() throws IOException {
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byte[] nums = new byte[32768];
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for (int i = 0; i < 32768; i++) {
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nums[i] = (byte) (i % 255);
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}
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ByteBuffer source = ByteBuffer.wrap(nums);
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ByteBuffer target = ByteBuffer.allocate(65535);
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FlexBase64.Encoder encoder = FlexBase64.createEncoder(true);
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encoder.encode(source, target);
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encoder.complete(target);
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ByteBuffer decoded = ByteBuffer.allocate(nums.length);
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FlexBase64.Decoder decoder = FlexBase64.createDecoder();
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target.flip();
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decoder.decode(target, decoded);
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decoded.flip();
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Assert.assertEquals(nums.length, decoded.remaining());
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for (int i = 0; i < nums.length; i++) {
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Assert.assertEquals(nums[i], decoded.get());
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}
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}
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@Test
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public void testDrain() throws IOException {
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byte[] bytes = "c3VyZS4=\r\n\r\n!".getBytes("US-ASCII");
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ByteBuffer source = ByteBuffer.wrap(bytes);
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ByteBuffer target = ByteBuffer.allocateDirect(100);
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FlexBase64.createDecoder().decode(source, target);
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Assert.assertEquals((byte) '\r' & 0xFF, source.get() & 0xFF);
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Assert.assertEquals((byte) '\n' & 0xFF, source.get() & 0xFF);
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Assert.assertEquals((byte) '!' & 0xFF, source.get() & 0xFF);
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byte[] dest = new byte[100];
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FlexBase64.Decoder decoder = FlexBase64.createDecoder();
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decoder.decode(bytes, 0, bytes.length, dest, 0, dest.length);
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Assert.assertEquals(10, decoder.getLastInputPosition());
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bytes = "YXN1cmUu\r\n\r\nA".getBytes("US-ASCII");
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dest = new byte[6];
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decoder = FlexBase64.createDecoder();
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decoder.decode(bytes, 0, bytes.length, dest, 0, dest.length);
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Assert.assertEquals(12, decoder.getLastInputPosition());
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}
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@Test
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public void testEncoderDecoderBufferLoops() throws IOException {
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byte[] nums = new byte[32768];
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for (int i = 0; i < 32768; i++) {
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nums[i] = (byte) (i % 255);
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}
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ByteBuffer source = ByteBuffer.wrap(nums);
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ByteBuffer target = ByteBuffer.allocate(65535);
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FlexBase64.Encoder encoder = FlexBase64.createEncoder(true);
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int limit = target.limit();
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target.limit(100);
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while (source.remaining() > 0) {
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encoder.encode(source, target);
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int add = limit - target.position();
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add = add < 100 ? add : 100;
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target.limit(target.limit() + add);
|
||||
}
|
||||
encoder.complete(target);
|
||||
|
||||
ByteBuffer decoded = ByteBuffer.allocate(nums.length);
|
||||
FlexBase64.Decoder decoder = FlexBase64.createDecoder();
|
||||
target.flip();
|
||||
|
||||
limit = decoded.limit();
|
||||
decoded.limit(100);
|
||||
while (target.remaining() > 0) {
|
||||
decoder.decode(target, decoded);
|
||||
int add = limit - decoded.position();
|
||||
add = add < 100 ? add : 100;
|
||||
decoded.limit(decoded.position() + add);
|
||||
}
|
||||
|
||||
decoded.flip();
|
||||
|
||||
Assert.assertEquals(nums.length, decoded.remaining());
|
||||
|
||||
for (int i = 0; i < nums.length; i++) {
|
||||
Assert.assertEquals(nums[i], decoded.get());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEncoderDecoderLoopWithOffset() throws IOException {
|
||||
byte[] nums = new byte[32768];
|
||||
for (int i = 0; i < 32768; i++) {
|
||||
nums[i] = (byte) (i % 255);
|
||||
}
|
||||
|
||||
byte[] output = new byte[65535];
|
||||
FlexBase64.Encoder encoder = FlexBase64.createEncoder(true);
|
||||
|
||||
int opos = 5;
|
||||
int pos = 0;
|
||||
while (pos < 32768) {
|
||||
opos = encoder.encode(nums, pos, nums.length, output, opos, opos + 10000);
|
||||
pos = encoder.getLastInputPosition();
|
||||
}
|
||||
opos = encoder.complete(output, opos);
|
||||
|
||||
byte[] decode = new byte[nums.length];
|
||||
FlexBase64.Decoder decoder = FlexBase64.createDecoder();
|
||||
int stop = opos;
|
||||
pos = 5;
|
||||
int last = 0;
|
||||
while (pos < stop) {
|
||||
last = decoder.decode(output, pos, stop, decode, last, last + 10000);
|
||||
pos = decoder.getLastInputPosition();
|
||||
}
|
||||
|
||||
Assert.assertEquals(nums.length, last);
|
||||
|
||||
for (int i = 0; i < last; i++) {
|
||||
Assert.assertEquals(nums[i], decode[i]);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEncodeString() throws Exception {
|
||||
byte[] data = ("Man is distinguished, not only by his reason, but by this singular passion from "
|
||||
+ "other animals, which is a lust of the mind, that by a perseverance of delight "
|
||||
+ "in the continued and indefatigable generation of knowledge, exceeds the short "
|
||||
+ "vehemence of any carnal pleasure.").getBytes("US-ASCII");
|
||||
|
||||
String expect = "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\r\n"
|
||||
+ "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\r\n"
|
||||
+ "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\r\n"
|
||||
+ "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\r\n"
|
||||
+ "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=\r\n";
|
||||
|
||||
Assert.assertEquals(expect, FlexBase64.encodeString(data, true));
|
||||
Assert.assertEquals(expect, FlexBase64.encodeString(ByteBuffer.wrap(data), true));
|
||||
|
||||
byte[] data2 = new byte[data.length + 10];
|
||||
System.arraycopy(data, 0, data2, 5, data.length);
|
||||
Assert.assertEquals(expect, FlexBase64.encodeString(data2, 5, data.length + 5, true));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEncodeBytes() throws Exception {
|
||||
byte[] data = ("Man is distinguished, not only by his reason, but by this singular passion from "
|
||||
+ "other animals, which is a lust of the mind, that by a perseverance of delight "
|
||||
+ "in the continued and indefatigable generation of knowledge, exceeds the short "
|
||||
+ "vehemence of any carnal pleasure.").getBytes("US-ASCII");
|
||||
|
||||
byte[] expect = ("TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\r\n"
|
||||
+ "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\r\n"
|
||||
+ "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\r\n"
|
||||
+ "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\r\n"
|
||||
+ "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=\r\n").getBytes("US-ASCII");
|
||||
|
||||
Assert.assertEquals(Bytes.asList(expect), Bytes.asList(FlexBase64.encodeBytes(data, 0, data.length, true)));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecodeString() throws Exception {
|
||||
String expect = "Man is distinguished, not only by his reason, but by this singular passion from "
|
||||
+ "other animals, which is a lust of the mind, that by a perseverance of delight "
|
||||
+ "in the continued and indefatigable generation of knowledge, exceeds the short "
|
||||
+ "vehemence of any carnal pleasure.";
|
||||
|
||||
String encoded = "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\r\n"
|
||||
+ "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\r\n"
|
||||
+ "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\r\n"
|
||||
+ "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\r\n"
|
||||
+ "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=\r\n";
|
||||
|
||||
ByteBuffer buffer = FlexBase64.decode(encoded);
|
||||
Assert.assertEquals(expect, new String(buffer.array(), buffer.arrayOffset(), buffer.limit(), "US-ASCII"));
|
||||
|
||||
buffer = FlexBase64.decode(ByteBuffer.wrap(encoded.getBytes("US-ASCII")));
|
||||
Assert.assertEquals(expect, new String(buffer.array(), buffer.arrayOffset(), buffer.limit(), "US-ASCII"));
|
||||
|
||||
buffer = FlexBase64.decode(encoded.getBytes("US-ASCII"), 0, encoded.length());
|
||||
Assert.assertEquals(expect, new String(buffer.array(), buffer.arrayOffset(), buffer.limit(), "US-ASCII"));
|
||||
|
||||
byte[] output = new byte[expect.length()];
|
||||
FlexBase64.createDecoder().decode(encoded, output);
|
||||
Assert.assertEquals(expect, new String(output, 0, output.length, "US-ASCII"));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testURLString() throws Exception {
|
||||
byte[] source = {0x6b, (byte) 0xf6, (byte) 0xfe};
|
||||
Assert.assertEquals("a_b-", FlexBase64.encodeURLString(source, 0, 3));
|
||||
Assert.assertEquals(Bytes.asList(source), Bytes.asList(FlexBase64.decode("a_b-").array()));
|
||||
String actual = FlexBase64.encodeURLString("test".getBytes("UTF-8"), 0, 4);
|
||||
Assert.assertEquals("dGVzdA", actual);
|
||||
ByteBuffer decode = FlexBase64.decode(actual);
|
||||
Assert.assertEquals("test", new String(decode.array(), 0, decode.limit(), "UTF-8"));
|
||||
byte[] bytes = TOWEL.getBytes("UTF-8");
|
||||
Assert.assertEquals(TOWEL_BASE64.replace("\r\n",""), FlexBase64.encodeURLString(ByteBuffer.wrap(bytes)));
|
||||
bytes = KNOWLEDGE.getBytes("UTF-8");
|
||||
String replace = KNOWLEDGE_ENCODED.replace("\r\n", "");
|
||||
Assert.assertEquals(replace.substring(0, replace.length() - 1), FlexBase64.encodeURLString(ByteBuffer.wrap(bytes)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEncoderInputStream() throws Exception {
|
||||
FlexBase64.EncoderInputStream encoderInputStream = FlexBase64.createEncoderInputStream(new ByteArrayInputStream(
|
||||
TOWEL.getBytes("US-ASCII")));
|
||||
ByteBuffer base64 = ByteBuffer.wrap(TOWEL_BASE64.getBytes("US-ASCII"));
|
||||
verifyStreamContents(encoderInputStream, base64);
|
||||
|
||||
encoderInputStream = FlexBase64.createEncoderInputStream(new ByteArrayInputStream(TOWEL.getBytes("US-ASCII")),
|
||||
8192, false);
|
||||
base64 = ByteBuffer.wrap(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII"));
|
||||
verifyStreamContents(encoderInputStream, base64);
|
||||
|
||||
encoderInputStream = FlexBase64.createEncoderInputStream(new ByteArrayInputStream(TOWEL.getBytes("US-ASCII")));
|
||||
base64 = ByteBuffer.wrap(TOWEL_BASE64.getBytes("US-ASCII"));
|
||||
verifyStreamContentsOneByte(encoderInputStream, base64);
|
||||
|
||||
encoderInputStream = FlexBase64.createEncoderInputStream(new ByteArrayInputStream(TOWEL.getBytes("US-ASCII")),
|
||||
8192, false);
|
||||
base64 = ByteBuffer.wrap(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII"));
|
||||
verifyStreamContentsOneByte(encoderInputStream, base64);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecoderInputStream() throws Exception {
|
||||
FlexBase64.DecoderInputStream stream = FlexBase64.createDecoderInputStream(new ByteArrayInputStream(TOWEL_BASE64
|
||||
.getBytes("US-ASCII")));
|
||||
ByteBuffer base64 = ByteBuffer.wrap(TOWEL.getBytes("US-ASCII"));
|
||||
verifyStreamContents(stream, base64);
|
||||
|
||||
stream = FlexBase64.createDecoderInputStream(new ByteArrayInputStream(TOWEL_BASE64.replace("\r\n", "").getBytes(
|
||||
"US-ASCII")));
|
||||
base64 = ByteBuffer.wrap(TOWEL.getBytes("US-ASCII"));
|
||||
verifyStreamContents(stream, base64);
|
||||
|
||||
stream = FlexBase64.createDecoderInputStream(new ByteArrayInputStream(TOWEL_BASE64.getBytes("US-ASCII")));
|
||||
base64 = ByteBuffer.wrap(TOWEL.getBytes("US-ASCII"));
|
||||
verifyStreamContentsOneByte(stream, base64);
|
||||
|
||||
stream = FlexBase64.createDecoderInputStream(new ByteArrayInputStream(TOWEL_BASE64.replace("\r\n", "").getBytes(
|
||||
"US-ASCII")));
|
||||
base64 = ByteBuffer.wrap(TOWEL.replace("\r\n", "").getBytes("US-ASCII"));
|
||||
verifyStreamContentsOneByte(stream, base64);
|
||||
|
||||
stream = FlexBase64.createDecoderInputStream(
|
||||
new ByteArrayInputStream(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII")), 10);
|
||||
base64 = ByteBuffer.wrap(TOWEL.replace("\r\n", "").getBytes("US-ASCII"));
|
||||
verifyStreamContentsOneByte(stream, base64);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testEncoderOutputStream() throws Exception {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
FlexBase64.EncoderOutputStream stream = FlexBase64.createEncoderOutputStream(baos);
|
||||
byte[] towel = TOWEL.getBytes("US-ASCII");
|
||||
stream.write(towel);
|
||||
stream.close();
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createEncoderOutputStream(baos, 8192, false);
|
||||
stream.write(towel);
|
||||
stream.close();
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createEncoderOutputStream(baos, 8192, true);
|
||||
chunkWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createEncoderOutputStream(baos, 8192, false);
|
||||
chunkWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createEncoderOutputStream(baos, 8192, true);
|
||||
oneByteWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createEncoderOutputStream(baos, 8192, false);
|
||||
oneByteWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecoderOutputStream() throws Exception {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
FlexBase64.DecoderOutputStream stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
byte[] towel = TOWEL_BASE64.getBytes("US-ASCII");
|
||||
byte[] towelStrip = TOWEL_BASE64.replace("\r\n", "").getBytes("US-ASCII");
|
||||
|
||||
stream.write(towel);
|
||||
stream.close();
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
stream.write(towelStrip);
|
||||
stream.close();
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
chunkWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
chunkWrite(stream, towelStrip);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
oneByteWrite(stream, towel);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos);
|
||||
oneByteWrite(stream, towelStrip);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
baos.reset();
|
||||
stream = FlexBase64.createDecoderOutputStream(baos, 10);
|
||||
chunkWrite(stream, towelStrip);
|
||||
Assert.assertEquals(Bytes.asList(TOWEL.getBytes("US-ASCII")), Bytes.asList(baos.toByteArray()));
|
||||
|
||||
}
|
||||
|
||||
private void chunkWrite(OutputStream stream, byte[] towel) throws IOException {
|
||||
ByteBuffer wrap = ByteBuffer.wrap(towel);
|
||||
int remaining = wrap.remaining();
|
||||
while (remaining > 0) {
|
||||
int left = remaining < 100 ? remaining : 100;
|
||||
byte[] chunk = new byte[left];
|
||||
wrap.get(chunk);
|
||||
stream.write(chunk);
|
||||
remaining = wrap.remaining();
|
||||
}
|
||||
|
||||
stream.close();
|
||||
}
|
||||
|
||||
private void oneByteWrite(OutputStream stream, byte[] towel) throws IOException {
|
||||
ByteBuffer wrap = ByteBuffer.wrap(towel);
|
||||
while (wrap.remaining() > 0) {
|
||||
stream.write(wrap.get() & 0xFF);
|
||||
}
|
||||
|
||||
stream.close();
|
||||
}
|
||||
|
||||
private void verifyStreamContentsOneByte(InputStream inputStream, ByteBuffer base64) throws IOException {
|
||||
int read = inputStream.read();
|
||||
while (read > -1) {
|
||||
byte expected = base64.get();
|
||||
Assert.assertEquals(expected, read);
|
||||
|
||||
read = inputStream.read();
|
||||
}
|
||||
|
||||
Assert.assertEquals(0, base64.remaining());
|
||||
}
|
||||
|
||||
private void verifyStreamContents(InputStream inputStream, ByteBuffer base64) throws IOException {
|
||||
byte[] buffer = new byte[100];
|
||||
int read = inputStream.read(buffer);
|
||||
while (read > -1) {
|
||||
for (int i = 0; i < read; i++) {
|
||||
byte expected = base64.get();
|
||||
byte actual = buffer[i];
|
||||
Assert.assertEquals(expected, actual);
|
||||
}
|
||||
|
||||
read = inputStream.read(buffer);
|
||||
}
|
||||
|
||||
Assert.assertEquals(0, base64.remaining());
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue