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ClientContinuationFlowExecutionRepository now uses 'URL-safe Base64 encoding' (SWF-270)

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This commit is contained in:
Erwin Vervaet
2007-03-25 15:16:50 +00:00
parent 8eaa5fca84
commit 2615ebfe1b
10 changed files with 1159 additions and 175 deletions
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1
spring-webflow/.classpath
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@@ -5,7 +5,6 @@
<classpathentry combineaccessrules="false" kind="src" path="/spring-binding"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="lib" path="lib/buildtime/commons-beanutils.jar"/>
<classpathentry kind="lib" path="lib/global/commons-codec.jar"/>
<classpathentry kind="lib" path="lib/buildtime/commons-digester.jar"/>
<classpathentry kind="lib" path="lib/global/commons-logging.jar"/>
<classpathentry kind="lib" path="lib/buildtime/concurrent.jar"/>

1
spring-webflow/changelog.txt
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@@ -37,6 +37,7 @@ Package org.springframework.webflow.engine
Package org.springframework.webflow.execution
* Added FlowExecutionListener.sessionCreated(RequestContext, FlowSession) callback, useful for
setting flow attributes before the flow starts (SWF-223).
* ClientContinuationFlowExecutionRepository now uses 'URL-safe Base64 encoding' (SWF-270).
Package org.springframework.webflow.executor
* Added resource URL encoding to redirects in a JSF environment (SWF-256).

3
spring-webflow/docs/reference/src/overview.xml
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@@ -333,8 +333,7 @@
Util,
Flow Definition,
Conversation,
Flow Execution,
repository.continuation requires commons-codec 1.0 if using client continuations
Flow Execution
</entry>
</row>
<row>

1
spring-webflow/ivy.xml
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@@ -27,7 +27,6 @@
<dependency org="xerces" name="xercesImpl" rev="2.8.0"/>
<dependency org="xml-apis" name="xml-apis" rev="1.3.03"/>
-->
<dependency org="commons-codec" name="commons-codec" rev="1.1" />
<dependency org="org.springframework" name="spring-beans" rev="2.0.2" />
<dependency org="org.springframework" name="spring-binding" rev="latest.integration" />
<dependency org="org.springframework" name="spring-core" rev="2.0.2" />

312
spring-webflow/pom.xml
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@@ -1,160 +1,154 @@
<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework</groupId>
<artifactId>spring-webflow</artifactId>
<packaging>jar</packaging>
<name>Spring Web Flow</name>
<version>1.0.2-SNAPSHOT</version>
<description>Spring Web Flow</description>
<url>http://www.springframework.org</url>
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
</license>
</licenses>
<scm>
<connection>scm:svn:https://svn.sourceforge.net/svnroot/springframework/spring-projects</connection>
<developerConnection>scm:svn:https://svn.sourceforge.net/svnroot/springframework/spring-projects</developerConnection>
<tag>1.0.2</tag>
<url>http://svn.sourceforge.net/viewcvs.cgi/springframework/spring-projects</url>
</scm>
<organization>
<name>Spring Framework</name>
<url>http://www.springframework.org/</url>
</organization>
<dependencies>
<!-- External Dependencies -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0.4</version>
</dependency>
<dependency>
<groupId>concurrent</groupId>
<artifactId>concurrent</artifactId>
<version>1.3.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>javax.portlet</groupId>
<artifactId>portlet-api</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>ognl</groupId>
<artifactId>ognl</artifactId>
<version>2.6.9</version>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-api</artifactId>
<version>1.1.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-impl</artifactId>
<version>1.1.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>struts</groupId>
<artifactId>struts</artifactId>
<version>1.2.9</version>
<optional>true</optional>
</dependency>
<!-- Spring Dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-binding</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-portlet</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-struts</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<!-- Runtime Dependencies -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.13</version>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<!-- Test Dependencies -->
<dependency>
<groupId>com.cenqua.clover</groupId>
<artifactId>clover</artifactId>
<version>1.3.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>easymock</groupId>
<artifactId>easymock</artifactId>
<version>2.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-mock</artifactId>
<version>2.0.2</version>
<scope>test</scope>
</dependency>
</dependencies>
<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework</groupId>
<artifactId>spring-webflow</artifactId>
<packaging>jar</packaging>
<name>Spring Web Flow</name>
<version>1.0.2-SNAPSHOT</version>
<description>Spring Web Flow</description>
<url>http://www.springframework.org</url>
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
</license>
</licenses>
<scm>
<connection>scm:svn:https://svn.sourceforge.net/svnroot/springframework/spring-projects</connection>
<developerConnection>scm:svn:https://svn.sourceforge.net/svnroot/springframework/spring-projects</developerConnection>
<tag>1.0.2</tag>
<url>http://svn.sourceforge.net/viewcvs.cgi/springframework/spring-projects</url>
</scm>
<organization>
<name>Spring Framework</name>
<url>http://www.springframework.org/</url>
</organization>
<dependencies>
<!-- External Dependencies -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0.4</version>
</dependency>
<dependency>
<groupId>concurrent</groupId>
<artifactId>concurrent</artifactId>
<version>1.3.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>javax.portlet</groupId>
<artifactId>portlet-api</artifactId>
<version>1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>ognl</groupId>
<artifactId>ognl</artifactId>
<version>2.6.9</version>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-api</artifactId>
<version>1.1.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-impl</artifactId>
<version>1.1.4</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>struts</groupId>
<artifactId>struts</artifactId>
<version>1.2.9</version>
<optional>true</optional>
</dependency>
<!-- Spring Dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-binding</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-portlet</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-struts</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>2.0.2</version>
<optional>true</optional>
</dependency>
<!-- Runtime Dependencies -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.13</version>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<!-- Test Dependencies -->
<dependency>
<groupId>com.cenqua.clover</groupId>
<artifactId>clover</artifactId>
<version>1.3.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>easymock</groupId>
<artifactId>easymock</artifactId>
<version>2.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-mock</artifactId>
<version>2.0.2</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

4
spring-webflow/readme.txt
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@@ -52,8 +52,8 @@ optional, i.e. just necessary for certain functionality.
* spring-webflow-1.0.jar
- Contents: The Spring Web Flow system
- Dependencies: Commons Logging, spring-beans, spring-core, spring-context, spring-web, spring-binding, OGNL
[Log4J, Commons Codec, Xerces, XML APIs, spring-webmvc, spring-mock, JUnit, Servlet API,
Portlet API, JMX, Struts, JSF]
[Log4J, Xerces, XML APIs, spring-webmvc, spring-mock, JUnit, Servlet API, Portlet API, JMX,
Struts, JSF]
* spring-binding-1.0.jar
- Contents: The Spring Data Binding framework, an internal library used by SWF

10
spring-webflow/src/main/java/org/springframework/webflow/execution/repository/continuation/ClientContinuationFlowExecutionRepository.java
View File

@@ -17,7 +17,6 @@ package org.springframework.webflow.execution.repository.continuation;
import java.io.Serializable;
import org.apache.commons.codec.binary.Base64;
import org.springframework.util.Assert;
import org.springframework.webflow.conversation.Conversation;
import org.springframework.webflow.conversation.ConversationException;
@@ -31,6 +30,7 @@ import org.springframework.webflow.execution.repository.FlowExecutionKey;
import org.springframework.webflow.execution.repository.FlowExecutionRestorationFailureException;
import org.springframework.webflow.execution.repository.support.AbstractConversationFlowExecutionRepository;
import org.springframework.webflow.execution.repository.support.FlowExecutionStateRestorer;
import org.springframework.webflow.util.Base64;
/**
* Stores flow execution state client side, requiring no use of server-side
@@ -63,10 +63,6 @@ import org.springframework.webflow.execution.repository.support.FlowExecutionSta
* {@link #encode(FlowExecution)} and {@link #decode(String)}, implementing
* them with a secure encoding/decoding algorithm, e.g. based on public/private
* key encryption.
* <p>
* This class depends on the <code>Jakarta Commons Codec</code> library to do
* <code>BASE64</code> encoding. Codec code must be available in the classpath
* when using this implementation.
*
* @see Base64
*
@@ -171,7 +167,7 @@ public class ClientContinuationFlowExecutionRepository extends AbstractConversat
*/
protected Serializable encode(FlowExecution flowExecution) {
FlowExecutionContinuation continuation = continuationFactory.createContinuation(flowExecution);
return new String(Base64.encodeBase64(continuation.toByteArray()));
return new Base64(true).encodeToString(continuation.toByteArray());
}
/**
@@ -185,7 +181,7 @@ public class ClientContinuationFlowExecutionRepository extends AbstractConversat
* @return the decoded flow execution instance
*/
protected FlowExecutionContinuation decode(String encodedContinuation) {
byte[] bytes = Base64.decodeBase64(encodedContinuation.getBytes());
byte[] bytes = new Base64(true).decodeFromString(encodedContinuation);
return continuationFactory.createContinuation(bytes);
}

3
spring-webflow/src/main/java/org/springframework/webflow/execution/repository/continuation/package.html
View File

@@ -3,8 +3,5 @@
<p>
Implementation of continuation-based flow execution repositories.
</p>
<p>
Usage of ClientContinuationFlowExecutionRepository requires Apache's commons-codec.
</p>
</body>
</html>

444
spring-webflow/src/main/java/org/springframework/webflow/util/Base64.java Normal file
View File

@@ -0,0 +1,444 @@
/*
* Copyright 2004-2007 the original author or authors.
*
* Licensed 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.springframework.webflow.util;
/**
* Encodes and decodes to and from Base64 notation.
* <p>
* Based on Base64 encoder and decoder version 2.2.1 written by Robert Harder
* (<a href="http://iharder.net/base64">http://iharder.net/base64</a>).
* Modified by Erwin Vervaet to use the '.' character as padding character
* when using URL safe encoding, like in the Bouncy Castle URLBase64 encoder
* (<a href="http://www.bouncycastle.org/java.html">http://www.bouncycastle.org/java.html</a>).
*
* @author Robert Harder
* @author Erwin Vervaet
*/
public class Base64 {
/* static data used by the encoding and decoding algorithm
/* The equals sign (=) as a byte. */
private static final byte EQUALS_SIGN = (byte)'=';
/* The dot (.) as a byte. */
private static final byte DOT = (byte)'.';
private static final byte WHITE_SPACE_ENC = -5; // Indicates white space in encoding
private static final byte PADDING_CHAR_ENC = -1; // Indicates padding char in encoding
/* ******** S T A N D A R D B A S E 6 4 A L P H A B E T ******** */
/** The 64 valid Base64 values. */
/* Host platform may be something funny like EBCDIC, so we hardcode these values. */
private static final byte[] STANDARD_ALPHABET = {
(byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
(byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
(byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
(byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
(byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
(byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
(byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
(byte)'v', (byte)'w', (byte)'x', (byte)'y', (byte)'z',
(byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5',
(byte)'6', (byte)'7', (byte)'8', (byte)'9', (byte)'+', (byte)'/'
};
/**
* Translates a Base64 value to either its 6-bit reconstruction value
* or a negative number indicating some other meaning.
**/
private static final byte[] STANDARD_DECODABET = {
-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 0 - 8
-5,-5, // Whitespace: Tab and Linefeed
-9,-9, // Decimal 11 - 12
-5, // Whitespace: Carriage Return
-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 14 - 26
-9,-9,-9,-9,-9, // Decimal 27 - 31
-5, // Whitespace: Space
-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 33 - 42
62, // Plus sign at decimal 43
-9,-9,-9, // Decimal 44 - 46
63, // Slash at decimal 47
52,53,54,55,56,57,58,59,60,61, // Numbers zero through nine
-9,-9,-9, // Decimal 58 - 60
-1, // Equals sign at decimal 61
-9,-9,-9, // Decimal 62 - 64
0,1,2,3,4,5,6,7,8,9,10,11,12,13, // Letters 'A' through 'N'
14,15,16,17,18,19,20,21,22,23,24,25, // Letters 'O' through 'Z'
-9,-9,-9,-9,-9,-9, // Decimal 91 - 96
26,27,28,29,30,31,32,33,34,35,36,37,38, // Letters 'a' through 'm'
39,40,41,42,43,44,45,46,47,48,49,50,51, // Letters 'n' through 'z'
-9,-9,-9,-9 // Decimal 123 - 126
};
/* ******** U R L S A F E B A S E 6 4 A L P H A B E T ******** */
/**
* Used in the URL- and Filename-safe dialect described in Section 4 of RFC3548:
* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
* Notice that the last two bytes become "hyphen" and "underscore" instead of "plus" and "slash."
*/
private static final byte[] URL_SAFE_ALPHABET = {
(byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
(byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
(byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
(byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
(byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
(byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
(byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
(byte)'v', (byte)'w', (byte)'x', (byte)'y', (byte)'z',
(byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5',
(byte)'6', (byte)'7', (byte)'8', (byte)'9', (byte)'-', (byte)'_'
};
/**
* Used in decoding URL- and Filename-safe dialects of Base64.
*/
private static final byte[] URL_SAFE_DECODABET = {
-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 0 - 8
-5,-5, // Whitespace: Tab and Linefeed
-9,-9, // Decimal 11 - 12
-5, // Whitespace: Carriage Return
-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 14 - 26
-9,-9,-9,-9,-9, // Decimal 27 - 31
-5, // Whitespace: Space
-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 33 - 42
-9, // Plus sign at decimal 43
-9, // Decimal 44
62, // Minus sign at decimal 45
-1, // Dot at decimal 46
-9, // Slash at decimal 47
52,53,54,55,56,57,58,59,60,61, // Numbers zero through nine
-9,-9,-9, // Decimal 58 - 60
-9, // Equals sign at decimal 61
-9,-9,-9, // Decimal 62 - 64
0,1,2,3,4,5,6,7,8,9,10,11,12,13, // Letters 'A' through 'N'
14,15,16,17,18,19,20,21,22,23,24,25, // Letters 'O' through 'Z'
-9,-9,-9,-9, // Decimal 91 - 94
63, // Underscore at decimal 95
-9, // Decimal 96
26,27,28,29,30,31,32,33,34,35,36,37,38, // Letters 'a' through 'm'
39,40,41,42,43,44,45,46,47,48,49,50,51, // Letters 'n' through 'z'
-9,-9,-9,-9 // Decimal 123 - 126
};
// instance members
/**
* Encode using Base64-like encoding that is URL- and Filename-safe as described
* in Section 4 of RFC3548:
* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
*/
private boolean urlSafe;
private byte[] ALPHABET;
private byte[] DECODABET;
private byte PADDING_CHAR;
/**
* Create a new Base64 encoder and decoder using the standard Base64 alphabet.
* Note that the resulting encoded strings are not <i>URL-safe</i>: they will
* can contain characters that are subject to URL encoding.
*/
public Base64() {
this(false);
}
/**
* Create a new Base64 encoder and decoder.
* <p>Allows Base64-like encoding that is URL- and Filename-safe as described
* in Section 4 of RFC3548:
* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
* When URL-safe encoding is used, the standard "=" Base64 padding character is replaced
* with the '.' character.
* <p>
* It is important to note that data encoded this way is <em>not</em> officially valid Base64,
* or at the very least should not be called Base64 without also specifying that is
* was encoded using the URL- and Filename-safe dialect
*
* @param urlSafe if true, URL safe encoding and decoding will be used
*/
public Base64(boolean urlSafe) {
this.urlSafe = urlSafe;
if (urlSafe) {
ALPHABET = URL_SAFE_ALPHABET;
DECODABET = URL_SAFE_DECODABET;
PADDING_CHAR = DOT;
}
else {
ALPHABET = STANDARD_ALPHABET;
DECODABET = STANDARD_DECODABET;
PADDING_CHAR = EQUALS_SIGN;
}
}
/**
* Returns whether or not this coder is using Base64-like encoding that is URL- and Filename-safe
* as described in Section 4 of RFC3548:
* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
* When URL-safe encoding is used, the standard "=" Base64 padding character is replaced
* with the '.' character.
* <p>
* It is important to note that data encoded this way is <em>not</em> officially valid Base64,
* or at the very least should not be called Base64 without also specifying that is
* was encoded using the URL- and Filename-safe dialect.
* @return true or false
*/
public boolean isUrlSafe() {
return urlSafe;
}
/* ******** E N C O D I N G M E T H O D S ******** */
/**
* Encodes up to three bytes of the array <var>source</var>
* and writes the resulting four Base64 bytes to <var>destination</var>.
* The source and destination arrays can be manipulated
* anywhere along their length by specifying
* <var>srcOffset</var> and <var>destOffset</var>.
* This method does not check to make sure your arrays
* are large enough to accomodate <var>srcOffset</var> + 3 for
* the <var>source</var> array or <var>destOffset</var> + 4 for
* the <var>destination</var> array.
* The actual number of significant bytes in your array is
* given by <var>numSigBytes</var>.</p>
* <p>This is the lowest level of the encoding methods with
* all possible parameters.</p>
* @param source the array to convert
* @param srcOffset the index where conversion begins
* @param numSigBytes the number of significant bytes in your array
* @param destination the array to hold the conversion
* @param destOffset the index where output will be put
* @return the <var>destination</var> array
*/
private byte[] encode3to4(byte[] source, int srcOffset, int numSigBytes, byte[] destination, int destOffset) {
// 1 2 3
// 01234567890123456789012345678901 Bit position
// --------000000001111111122222222 Array position from threeBytes
// --------| || || || | Six bit groups to index ALPHABET
// >>18 >>12 >> 6 >> 0 Right shift necessary
// 0x3f 0x3f 0x3f Additional AND
// Create buffer with zero-padding if there are only one or two
// significant bytes passed in the array.
// We have to shift left 24 in order to flush out the 1's that appear
// when Java treats a value as negative that is cast from a byte to an int.
int inBuff = ( numSigBytes > 0 ? ((source[ srcOffset ] << 24) >>> 8) : 0 )
| ( numSigBytes > 1 ? ((source[ srcOffset + 1 ] << 24) >>> 16) : 0 )
| ( numSigBytes > 2 ? ((source[ srcOffset + 2 ] << 24) >>> 24) : 0 );
switch (numSigBytes) {
case 3:
destination[ destOffset ] = ALPHABET[ (inBuff >>> 18) ];
destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
destination[ destOffset + 2 ] = ALPHABET[ (inBuff >>> 6) & 0x3f ];
destination[ destOffset + 3 ] = ALPHABET[ (inBuff ) & 0x3f ];
return destination;
case 2:
destination[ destOffset ] = ALPHABET[ (inBuff >>> 18) ];
destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
destination[ destOffset + 2 ] = ALPHABET[ (inBuff >>> 6) & 0x3f ];
destination[ destOffset + 3 ] = PADDING_CHAR;
return destination;
case 1:
destination[ destOffset ] = ALPHABET[ (inBuff >>> 18) ];
destination[ destOffset + 1 ] = ALPHABET[ (inBuff >>> 12) & 0x3f ];
destination[ destOffset + 2 ] = PADDING_CHAR;
destination[ destOffset + 3 ] = PADDING_CHAR;
return destination;
default:
return destination;
}
}
/**
* Encodes a byte array into Base64 notation.
* @param source the data to convert
* @param off offset in array where conversion should begin
* @param len length of data to convert
* @return the encoded data
*/
public final byte[] encode(byte[] source, int off, int len) {
int len43 = len * 4 / 3;
byte[] outBuff = new byte[ ( len43 ) // main 4:3
+ ( (len % 3) > 0 ? 4 : 0 ) ]; // account for padding
int d = 0;
int e = 0;
int len2 = len - 2;
int lineLength = 0;
for (; d < len2; d+=3, e+=4) {
encode3to4(source, d+off, 3, outBuff, e);
lineLength += 4;
} // end for: each piece of array
if (d < len) {
encode3to4(source, d+off, len - d, outBuff, e);
e += 4;
} // end if: some padding needed
byte[] out = new byte[e];
System.arraycopy(outBuff, 0, out, 0, e);
return out;
}
/**
* Encodes a byte array into Base64 notation.
* @param source the data to encode
* @return the encoded data
*/
public final byte[] encode(byte[] source) {
return encode(source, 0, source.length);
}
/**
* Encodes a byte array into Base64 notation. The resulting string will
* be created using the platform default encoding.
* @param source the source data to encode
* @return the encoded data
*/
public final String encodeToString(byte[] source) {
return new String(encode(source));
}
/* ******** D E C O D I N G M E T H O D S ******** */
/**
* Decodes four bytes from array <var>source</var>
* and writes the resulting bytes (up to three of them)
* to <var>destination</var>.
* The source and destination arrays can be manipulated
* anywhere along their length by specifying
* <var>srcOffset</var> and <var>destOffset</var>.
* This method does not check to make sure your arrays
* are large enough to accomodate <var>srcOffset</var> + 4 for
* the <var>source</var> array or <var>destOffset</var> + 3 for
* the <var>destination</var> array.
* This method returns the actual number of bytes that
* were converted from the Base64 encoding.
* <p>This is the lowest level of the decoding methods with
* all possible parameters.</p>
* @param source the array to convert
* @param srcOffset the index where conversion begins
* @param destination the array to hold the conversion
* @param destOffset the index where output will be put
* @return the number of decoded bytes converted
*/
private final int decode4to3(byte[] source, int srcOffset, byte[] destination, int destOffset) {
// Example: Dk== or Dk..
if (source[ srcOffset + 2] == PADDING_CHAR) {
int outBuff = ( ( DECODABET[ source[ srcOffset ] ] & 0xFF ) << 18 )
| ( ( DECODABET[ source[ srcOffset + 1] ] & 0xFF ) << 12 );
destination[ destOffset ] = (byte)( outBuff >>> 16 );
return 1;
}
// Example: DkL= or DkL.
else if (source[ srcOffset + 3 ] == PADDING_CHAR) {
int outBuff = ( ( DECODABET[ source[ srcOffset ] ] & 0xFF ) << 18 )
| ( ( DECODABET[ source[ srcOffset + 1 ] ] & 0xFF ) << 12 )
| ( ( DECODABET[ source[ srcOffset + 2 ] ] & 0xFF ) << 6 );
destination[ destOffset ] = (byte)( outBuff >>> 16 );
destination[ destOffset + 1 ] = (byte)( outBuff >>> 8 );
return 2;
}
// Example: DkLE
else {
int outBuff = ( ( DECODABET[ source[ srcOffset ] ] & 0xFF ) << 18 )
| ( ( DECODABET[ source[ srcOffset + 1 ] ] & 0xFF ) << 12 )
| ( ( DECODABET[ source[ srcOffset + 2 ] ] & 0xFF ) << 6)
| ( ( DECODABET[ source[ srcOffset + 3 ] ] & 0xFF ) );
destination[ destOffset ] = (byte)( outBuff >> 16 );
destination[ destOffset + 1 ] = (byte)( outBuff >> 8 );
destination[ destOffset + 2 ] = (byte)( outBuff );
return 3;
}
}
/**
* Very low-level access to decoding ASCII characters in
* the form of a byte array.
* @param source the Base64 encoded data
* @param off the offset of where to begin decoding
* @param len the length of characters to decode
* @return decoded data
*/
public final byte[] decode(byte[] source, int off, int len) {
int len34 = len * 3 / 4;
byte[] outBuff = new byte[len34]; // upper limit on size of output
int outBuffPosn = 0;
byte[] b4 = new byte[4];
int b4Posn = 0;
int i = 0;
byte sbiCrop = 0;
byte sbiDecode = 0;
for (i = off; i < off + len; i++) {
sbiCrop = (byte)(source[i] & 0x7f); // only the low seven bits
sbiDecode = DECODABET[sbiCrop];
if (sbiDecode >= WHITE_SPACE_ENC) { // white space, equals sign or better
if (sbiDecode >= PADDING_CHAR_ENC) {
b4[b4Posn++] = sbiCrop;
if (b4Posn > 3) {
outBuffPosn += decode4to3(b4, 0, outBuff, outBuffPosn);
b4Posn = 0;
// if that was the padding char, break out of 'for' loop
if (sbiCrop == PADDING_CHAR) {
break;
}
} // end if: quartet built
} // end if: equals sign or better
} // end if: white space, equals sign or better
else {
//discard
}
} // each input character
byte[] out = new byte[outBuffPosn];
System.arraycopy(outBuff, 0, out, 0, outBuffPosn);
return out;
}
/**
* Decodes data from Base64 notation.
* @param source the source data
* @return the decoded data
*/
public final byte[] decode(byte[] source) {
return decode(source, 0, source.length);
}
/**
* Decodes data from Base64 notation. Uses the platform default
* character set to obtain bytes from given string.
* @param s the string to decode
* @return the decoded data
*/
public final byte[] decodeFromString(String s) {
return decode(s.getBytes());
}
}

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spring-webflow/src/test/java/org/springframework/webflow/util/Base64Tests.java Normal file
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@@ -0,0 +1,555 @@
/*
* Copyright 2004-2007 the original author or authors.
*
* Licensed 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.springframework.webflow.util;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.Arrays;
import java.util.Random;
import junit.framework.TestCase;
/**
* Test case for {@link Base64}.
* Based on Base64Test from Jakarta Commons Codec 1.3.
*
* @author Erwin Vervaet
*/
public class Base64Tests extends TestCase {
private Random random = new Random();
public Random getRandom() {
return this.random;
}
public void testBase64() {
assertEquals("SGVsbG8gV29ybGQ=", new Base64().encodeToString("Hello World".getBytes()));
assertEquals("SGVsbG8gV29ybGQ.", new Base64(true).encodeToString("Hello World".getBytes()));
}
public void testDecodePadMarkerIndex2() {
assertEquals("A", new String(new Base64().decodeFromString("QQ==")));
assertEquals("A", new String(new Base64(true).decodeFromString("QQ..")));
}
public void testDecodePadMarkerIndex3() {
assertEquals("AA", new String(new Base64().decodeFromString("QUE=")));
assertEquals("AAA", new String(new Base64().decodeFromString("QUFB")));
assertEquals("AA", new String(new Base64(true).decodeFromString("QUE.")));
assertEquals("AAA", new String(new Base64(true).decodeFromString("QUFB")));
}
public void testEncodeEmptyString() {
assertEquals("", new Base64().encodeToString("".getBytes()));
}
public void testDecodeEmptyString() {
assertEquals("", new String(new Base64().decodeFromString("")));
}
// encode/decode random arrays from size 0 to size 11
public void testEncodeDecodeSmall() {
for (int i = 0; i < 12; i++) {
byte[] data = new byte[i];
this.getRandom().nextBytes(data);
byte[] enc = new Base64().encode(data);
byte[] data2 = new Base64().decode(enc);
assertTrue(Arrays.equals(data,data2));
}
}
// encode/decode a large random array
public void testEncodeDecodeRandom() {
for(int i = 1;i < 5; i++) {
byte[] data = new byte[this.getRandom().nextInt(10000) + 1];
this.getRandom().nextBytes(data);
byte[] enc = new Base64().encode(data);
byte[] data2 = new Base64().decode(enc);
assertTrue(Arrays.equals(data,data2));
}
}
public void testSingletons() {
assertEquals("AA==", new String(new Base64().encode(new byte[] { (byte)0 })));
assertEquals("AQ==", new String(new Base64().encode(new byte[] { (byte)1 })));
assertEquals("Ag==", new String(new Base64().encode(new byte[] { (byte)2 })));
assertEquals("Aw==", new String(new Base64().encode(new byte[] { (byte)3 })));
assertEquals("BA==", new String(new Base64().encode(new byte[] { (byte)4 })));
assertEquals("BQ==", new String(new Base64().encode(new byte[] { (byte)5 })));
assertEquals("Bg==", new String(new Base64().encode(new byte[] { (byte)6 })));
assertEquals("Bw==", new String(new Base64().encode(new byte[] { (byte)7 })));
assertEquals("CA==", new String(new Base64().encode(new byte[] { (byte)8 })));
assertEquals("CQ==", new String(new Base64().encode(new byte[] { (byte)9 })));
assertEquals("Cg==", new String(new Base64().encode(new byte[] { (byte)10 })));
assertEquals("Cw==", new String(new Base64().encode(new byte[] { (byte)11 })));
assertEquals("DA==", new String(new Base64().encode(new byte[] { (byte)12 })));
assertEquals("DQ==", new String(new Base64().encode(new byte[] { (byte)13 })));
assertEquals("Dg==", new String(new Base64().encode(new byte[] { (byte)14 })));
assertEquals("Dw==", new String(new Base64().encode(new byte[] { (byte)15 })));
assertEquals("EA==", new String(new Base64().encode(new byte[] { (byte)16 })));
assertEquals("EQ==", new String(new Base64().encode(new byte[] { (byte)17 })));
assertEquals("Eg==", new String(new Base64().encode(new byte[] { (byte)18 })));
assertEquals("Ew==", new String(new Base64().encode(new byte[] { (byte)19 })));
assertEquals("FA==", new String(new Base64().encode(new byte[] { (byte)20 })));
assertEquals("FQ==", new String(new Base64().encode(new byte[] { (byte)21 })));
assertEquals("Fg==", new String(new Base64().encode(new byte[] { (byte)22 })));
assertEquals("Fw==", new String(new Base64().encode(new byte[] { (byte)23 })));
assertEquals("GA==", new String(new Base64().encode(new byte[] { (byte)24 })));
assertEquals("GQ==", new String(new Base64().encode(new byte[] { (byte)25 })));
assertEquals("Gg==", new String(new Base64().encode(new byte[] { (byte)26 })));
assertEquals("Gw==", new String(new Base64().encode(new byte[] { (byte)27 })));
assertEquals("HA==", new String(new Base64().encode(new byte[] { (byte)28 })));
assertEquals("HQ==", new String(new Base64().encode(new byte[] { (byte)29 })));
assertEquals("Hg==", new String(new Base64().encode(new byte[] { (byte)30 })));
assertEquals("Hw==", new String(new Base64().encode(new byte[] { (byte)31 })));
assertEquals("IA==", new String(new Base64().encode(new byte[] { (byte)32 })));
assertEquals("IQ==", new String(new Base64().encode(new byte[] { (byte)33 })));
assertEquals("Ig==", new String(new Base64().encode(new byte[] { (byte)34 })));
assertEquals("Iw==", new String(new Base64().encode(new byte[] { (byte)35 })));
assertEquals("JA==", new String(new Base64().encode(new byte[] { (byte)36 })));
assertEquals("JQ==", new String(new Base64().encode(new byte[] { (byte)37 })));
assertEquals("Jg==", new String(new Base64().encode(new byte[] { (byte)38 })));
assertEquals("Jw==", new String(new Base64().encode(new byte[] { (byte)39 })));
assertEquals("KA==", new String(new Base64().encode(new byte[] { (byte)40 })));
assertEquals("KQ==", new String(new Base64().encode(new byte[] { (byte)41 })));
assertEquals("Kg==", new String(new Base64().encode(new byte[] { (byte)42 })));
assertEquals("Kw==", new String(new Base64().encode(new byte[] { (byte)43 })));
assertEquals("LA==", new String(new Base64().encode(new byte[] { (byte)44 })));
assertEquals("LQ==", new String(new Base64().encode(new byte[] { (byte)45 })));
assertEquals("Lg==", new String(new Base64().encode(new byte[] { (byte)46 })));
assertEquals("Lw==", new String(new Base64().encode(new byte[] { (byte)47 })));
assertEquals("MA==", new String(new Base64().encode(new byte[] { (byte)48 })));
assertEquals("MQ==", new String(new Base64().encode(new byte[] { (byte)49 })));
assertEquals("Mg==", new String(new Base64().encode(new byte[] { (byte)50 })));
assertEquals("Mw==", new String(new Base64().encode(new byte[] { (byte)51 })));
assertEquals("NA==", new String(new Base64().encode(new byte[] { (byte)52 })));
assertEquals("NQ==", new String(new Base64().encode(new byte[] { (byte)53 })));
assertEquals("Ng==", new String(new Base64().encode(new byte[] { (byte)54 })));
assertEquals("Nw==", new String(new Base64().encode(new byte[] { (byte)55 })));
assertEquals("OA==", new String(new Base64().encode(new byte[] { (byte)56 })));
assertEquals("OQ==", new String(new Base64().encode(new byte[] { (byte)57 })));
assertEquals("Og==", new String(new Base64().encode(new byte[] { (byte)58 })));
assertEquals("Ow==", new String(new Base64().encode(new byte[] { (byte)59 })));
assertEquals("PA==", new String(new Base64().encode(new byte[] { (byte)60 })));
assertEquals("PQ==", new String(new Base64().encode(new byte[] { (byte)61 })));
assertEquals("Pg==", new String(new Base64().encode(new byte[] { (byte)62 })));
assertEquals("Pw==", new String(new Base64().encode(new byte[] { (byte)63 })));
assertEquals("QA==", new String(new Base64().encode(new byte[] { (byte)64 })));
assertEquals("QQ==", new String(new Base64().encode(new byte[] { (byte)65 })));
assertEquals("Qg==", new String(new Base64().encode(new byte[] { (byte)66 })));
assertEquals("Qw==", new String(new Base64().encode(new byte[] { (byte)67 })));
assertEquals("RA==", new String(new Base64().encode(new byte[] { (byte)68 })));
assertEquals("RQ==", new String(new Base64().encode(new byte[] { (byte)69 })));
assertEquals("Rg==", new String(new Base64().encode(new byte[] { (byte)70 })));
assertEquals("Rw==", new String(new Base64().encode(new byte[] { (byte)71 })));
assertEquals("SA==", new String(new Base64().encode(new byte[] { (byte)72 })));
assertEquals("SQ==", new String(new Base64().encode(new byte[] { (byte)73 })));
assertEquals("Sg==", new String(new Base64().encode(new byte[] { (byte)74 })));
assertEquals("Sw==", new String(new Base64().encode(new byte[] { (byte)75 })));
assertEquals("TA==", new String(new Base64().encode(new byte[] { (byte)76 })));
assertEquals("TQ==", new String(new Base64().encode(new byte[] { (byte)77 })));
assertEquals("Tg==", new String(new Base64().encode(new byte[] { (byte)78 })));
assertEquals("Tw==", new String(new Base64().encode(new byte[] { (byte)79 })));
assertEquals("UA==", new String(new Base64().encode(new byte[] { (byte)80 })));
assertEquals("UQ==", new String(new Base64().encode(new byte[] { (byte)81 })));
assertEquals("Ug==", new String(new Base64().encode(new byte[] { (byte)82 })));
assertEquals("Uw==", new String(new Base64().encode(new byte[] { (byte)83 })));
assertEquals("VA==", new String(new Base64().encode(new byte[] { (byte)84 })));
assertEquals("VQ==", new String(new Base64().encode(new byte[] { (byte)85 })));
assertEquals("Vg==", new String(new Base64().encode(new byte[] { (byte)86 })));
assertEquals("Vw==", new String(new Base64().encode(new byte[] { (byte)87 })));
assertEquals("WA==", new String(new Base64().encode(new byte[] { (byte)88 })));
assertEquals("WQ==", new String(new Base64().encode(new byte[] { (byte)89 })));
assertEquals("Wg==", new String(new Base64().encode(new byte[] { (byte)90 })));
assertEquals("Ww==", new String(new Base64().encode(new byte[] { (byte)91 })));
assertEquals("XA==", new String(new Base64().encode(new byte[] { (byte)92 })));
assertEquals("XQ==", new String(new Base64().encode(new byte[] { (byte)93 })));
assertEquals("Xg==", new String(new Base64().encode(new byte[] { (byte)94 })));
assertEquals("Xw==", new String(new Base64().encode(new byte[] { (byte)95 })));
assertEquals("YA==", new String(new Base64().encode(new byte[] { (byte)96 })));
assertEquals("YQ==", new String(new Base64().encode(new byte[] { (byte)97 })));
assertEquals("Yg==", new String(new Base64().encode(new byte[] { (byte)98 })));
assertEquals("Yw==", new String(new Base64().encode(new byte[] { (byte)99 })));
assertEquals("ZA==", new String(new Base64().encode(new byte[] { (byte)100 })));
assertEquals("ZQ==", new String(new Base64().encode(new byte[] { (byte)101 })));
assertEquals("Zg==", new String(new Base64().encode(new byte[] { (byte)102 })));
assertEquals("Zw==", new String(new Base64().encode(new byte[] { (byte)103 })));
assertEquals("aA==", new String(new Base64().encode(new byte[] { (byte)104 })));
assertEquals("AA..", new String(new Base64(true).encode(new byte[] { (byte)0 })));
assertEquals("AQ..", new String(new Base64(true).encode(new byte[] { (byte)1 })));
assertEquals("Ag..", new String(new Base64(true).encode(new byte[] { (byte)2 })));
assertEquals("Aw..", new String(new Base64(true).encode(new byte[] { (byte)3 })));
assertEquals("BA..", new String(new Base64(true).encode(new byte[] { (byte)4 })));
assertEquals("BQ..", new String(new Base64(true).encode(new byte[] { (byte)5 })));
assertEquals("Bg..", new String(new Base64(true).encode(new byte[] { (byte)6 })));
assertEquals("Bw..", new String(new Base64(true).encode(new byte[] { (byte)7 })));
assertEquals("CA..", new String(new Base64(true).encode(new byte[] { (byte)8 })));
assertEquals("CQ..", new String(new Base64(true).encode(new byte[] { (byte)9 })));
assertEquals("Cg..", new String(new Base64(true).encode(new byte[] { (byte)10 })));
assertEquals("Cw..", new String(new Base64(true).encode(new byte[] { (byte)11 })));
assertEquals("DA..", new String(new Base64(true).encode(new byte[] { (byte)12 })));
assertEquals("DQ..", new String(new Base64(true).encode(new byte[] { (byte)13 })));
assertEquals("Dg..", new String(new Base64(true).encode(new byte[] { (byte)14 })));
assertEquals("Dw..", new String(new Base64(true).encode(new byte[] { (byte)15 })));
assertEquals("EA..", new String(new Base64(true).encode(new byte[] { (byte)16 })));
assertEquals("EQ..", new String(new Base64(true).encode(new byte[] { (byte)17 })));
assertEquals("Eg..", new String(new Base64(true).encode(new byte[] { (byte)18 })));
assertEquals("Ew..", new String(new Base64(true).encode(new byte[] { (byte)19 })));
assertEquals("FA..", new String(new Base64(true).encode(new byte[] { (byte)20 })));
assertEquals("FQ..", new String(new Base64(true).encode(new byte[] { (byte)21 })));
assertEquals("Fg..", new String(new Base64(true).encode(new byte[] { (byte)22 })));
assertEquals("Fw..", new String(new Base64(true).encode(new byte[] { (byte)23 })));
assertEquals("GA..", new String(new Base64(true).encode(new byte[] { (byte)24 })));
assertEquals("GQ..", new String(new Base64(true).encode(new byte[] { (byte)25 })));
assertEquals("Gg..", new String(new Base64(true).encode(new byte[] { (byte)26 })));
assertEquals("Gw..", new String(new Base64(true).encode(new byte[] { (byte)27 })));
assertEquals("HA..", new String(new Base64(true).encode(new byte[] { (byte)28 })));
assertEquals("HQ..", new String(new Base64(true).encode(new byte[] { (byte)29 })));
assertEquals("Hg..", new String(new Base64(true).encode(new byte[] { (byte)30 })));
assertEquals("Hw..", new String(new Base64(true).encode(new byte[] { (byte)31 })));
assertEquals("IA..", new String(new Base64(true).encode(new byte[] { (byte)32 })));
assertEquals("IQ..", new String(new Base64(true).encode(new byte[] { (byte)33 })));
assertEquals("Ig..", new String(new Base64(true).encode(new byte[] { (byte)34 })));
assertEquals("Iw..", new String(new Base64(true).encode(new byte[] { (byte)35 })));
assertEquals("JA..", new String(new Base64(true).encode(new byte[] { (byte)36 })));
assertEquals("JQ..", new String(new Base64(true).encode(new byte[] { (byte)37 })));
assertEquals("Jg..", new String(new Base64(true).encode(new byte[] { (byte)38 })));
assertEquals("Jw..", new String(new Base64(true).encode(new byte[] { (byte)39 })));
assertEquals("KA..", new String(new Base64(true).encode(new byte[] { (byte)40 })));
assertEquals("KQ..", new String(new Base64(true).encode(new byte[] { (byte)41 })));
assertEquals("Kg..", new String(new Base64(true).encode(new byte[] { (byte)42 })));
assertEquals("Kw..", new String(new Base64(true).encode(new byte[] { (byte)43 })));
assertEquals("LA..", new String(new Base64(true).encode(new byte[] { (byte)44 })));
assertEquals("LQ..", new String(new Base64(true).encode(new byte[] { (byte)45 })));
assertEquals("Lg..", new String(new Base64(true).encode(new byte[] { (byte)46 })));
assertEquals("Lw..", new String(new Base64(true).encode(new byte[] { (byte)47 })));
assertEquals("MA..", new String(new Base64(true).encode(new byte[] { (byte)48 })));
assertEquals("MQ..", new String(new Base64(true).encode(new byte[] { (byte)49 })));
assertEquals("Mg..", new String(new Base64(true).encode(new byte[] { (byte)50 })));
assertEquals("Mw..", new String(new Base64(true).encode(new byte[] { (byte)51 })));
assertEquals("NA..", new String(new Base64(true).encode(new byte[] { (byte)52 })));
assertEquals("NQ..", new String(new Base64(true).encode(new byte[] { (byte)53 })));
assertEquals("Ng..", new String(new Base64(true).encode(new byte[] { (byte)54 })));
assertEquals("Nw..", new String(new Base64(true).encode(new byte[] { (byte)55 })));
assertEquals("OA..", new String(new Base64(true).encode(new byte[] { (byte)56 })));
assertEquals("OQ..", new String(new Base64(true).encode(new byte[] { (byte)57 })));
assertEquals("Og..", new String(new Base64(true).encode(new byte[] { (byte)58 })));
assertEquals("Ow..", new String(new Base64(true).encode(new byte[] { (byte)59 })));
assertEquals("PA..", new String(new Base64(true).encode(new byte[] { (byte)60 })));
assertEquals("PQ..", new String(new Base64(true).encode(new byte[] { (byte)61 })));
assertEquals("Pg..", new String(new Base64(true).encode(new byte[] { (byte)62 })));
assertEquals("Pw..", new String(new Base64(true).encode(new byte[] { (byte)63 })));
assertEquals("QA..", new String(new Base64(true).encode(new byte[] { (byte)64 })));
assertEquals("QQ..", new String(new Base64(true).encode(new byte[] { (byte)65 })));
assertEquals("Qg..", new String(new Base64(true).encode(new byte[] { (byte)66 })));
assertEquals("Qw..", new String(new Base64(true).encode(new byte[] { (byte)67 })));
assertEquals("RA..", new String(new Base64(true).encode(new byte[] { (byte)68 })));
assertEquals("RQ..", new String(new Base64(true).encode(new byte[] { (byte)69 })));
assertEquals("Rg..", new String(new Base64(true).encode(new byte[] { (byte)70 })));
assertEquals("Rw..", new String(new Base64(true).encode(new byte[] { (byte)71 })));
assertEquals("SA..", new String(new Base64(true).encode(new byte[] { (byte)72 })));
assertEquals("SQ..", new String(new Base64(true).encode(new byte[] { (byte)73 })));
assertEquals("Sg..", new String(new Base64(true).encode(new byte[] { (byte)74 })));
assertEquals("Sw..", new String(new Base64(true).encode(new byte[] { (byte)75 })));
assertEquals("TA..", new String(new Base64(true).encode(new byte[] { (byte)76 })));
assertEquals("TQ..", new String(new Base64(true).encode(new byte[] { (byte)77 })));
assertEquals("Tg..", new String(new Base64(true).encode(new byte[] { (byte)78 })));
assertEquals("Tw..", new String(new Base64(true).encode(new byte[] { (byte)79 })));
assertEquals("UA..", new String(new Base64(true).encode(new byte[] { (byte)80 })));
assertEquals("UQ..", new String(new Base64(true).encode(new byte[] { (byte)81 })));
assertEquals("Ug..", new String(new Base64(true).encode(new byte[] { (byte)82 })));
assertEquals("Uw..", new String(new Base64(true).encode(new byte[] { (byte)83 })));
assertEquals("VA..", new String(new Base64(true).encode(new byte[] { (byte)84 })));
assertEquals("VQ..", new String(new Base64(true).encode(new byte[] { (byte)85 })));
assertEquals("Vg..", new String(new Base64(true).encode(new byte[] { (byte)86 })));
assertEquals("Vw..", new String(new Base64(true).encode(new byte[] { (byte)87 })));
assertEquals("WA..", new String(new Base64(true).encode(new byte[] { (byte)88 })));
assertEquals("WQ..", new String(new Base64(true).encode(new byte[] { (byte)89 })));
assertEquals("Wg..", new String(new Base64(true).encode(new byte[] { (byte)90 })));
assertEquals("Ww..", new String(new Base64(true).encode(new byte[] { (byte)91 })));
assertEquals("XA..", new String(new Base64(true).encode(new byte[] { (byte)92 })));
assertEquals("XQ..", new String(new Base64(true).encode(new byte[] { (byte)93 })));
assertEquals("Xg..", new String(new Base64(true).encode(new byte[] { (byte)94 })));
assertEquals("Xw..", new String(new Base64(true).encode(new byte[] { (byte)95 })));
assertEquals("YA..", new String(new Base64(true).encode(new byte[] { (byte)96 })));
assertEquals("YQ..", new String(new Base64(true).encode(new byte[] { (byte)97 })));
assertEquals("Yg..", new String(new Base64(true).encode(new byte[] { (byte)98 })));
assertEquals("Yw..", new String(new Base64(true).encode(new byte[] { (byte)99 })));
assertEquals("ZA..", new String(new Base64(true).encode(new byte[] { (byte)100 })));
assertEquals("ZQ..", new String(new Base64(true).encode(new byte[] { (byte)101 })));
assertEquals("Zg..", new String(new Base64(true).encode(new byte[] { (byte)102 })));
assertEquals("Zw..", new String(new Base64(true).encode(new byte[] { (byte)103 })));
assertEquals("aA..", new String(new Base64(true).encode(new byte[] { (byte)104 })));
}
public void testTriplets() {
assertEquals("AAAA", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)0 })));
assertEquals("AAAB", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)1 })));
assertEquals("AAAC", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)2 })));
assertEquals("AAAD", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)3 })));
assertEquals("AAAE", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)4 })));
assertEquals("AAAF", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)5 })));
assertEquals("AAAG", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)6 })));
assertEquals("AAAH", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)7 })));
assertEquals("AAAI", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)8 })));
assertEquals("AAAJ", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)9 })));
assertEquals("AAAK", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)10 })));
assertEquals("AAAL", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)11 })));
assertEquals("AAAM", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)12 })));
assertEquals("AAAN", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)13 })));
assertEquals("AAAO", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)14 })));
assertEquals("AAAP", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)15 })));
assertEquals("AAAQ", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)16 })));
assertEquals("AAAR", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)17 })));
assertEquals("AAAS", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)18 })));
assertEquals("AAAT", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)19 })));
assertEquals("AAAU", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)20 })));
assertEquals("AAAV", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)21 })));
assertEquals("AAAW", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)22 })));
assertEquals("AAAX", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)23 })));
assertEquals("AAAY", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)24 })));
assertEquals("AAAZ", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)25 })));
assertEquals("AAAa", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)26 })));
assertEquals("AAAb", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)27 })));
assertEquals("AAAc", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)28 })));
assertEquals("AAAd", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)29 })));
assertEquals("AAAe", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)30 })));
assertEquals("AAAf", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)31 })));
assertEquals("AAAg", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)32 })));
assertEquals("AAAh", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)33 })));
assertEquals("AAAi", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)34 })));
assertEquals("AAAj", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)35 })));
assertEquals("AAAk", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)36 })));
assertEquals("AAAl", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)37 })));
assertEquals("AAAm", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)38 })));
assertEquals("AAAn", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)39 })));
assertEquals("AAAo", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)40 })));
assertEquals("AAAp", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)41 })));
assertEquals("AAAq", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)42 })));
assertEquals("AAAr", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)43 })));
assertEquals("AAAs", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)44 })));
assertEquals("AAAt", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)45 })));
assertEquals("AAAu", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)46 })));
assertEquals("AAAv", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)47 })));
assertEquals("AAAw", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)48 })));
assertEquals("AAAx", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)49 })));
assertEquals("AAAy", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)50 })));
assertEquals("AAAz", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)51 })));
assertEquals("AAA0", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)52 })));
assertEquals("AAA1", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)53 })));
assertEquals("AAA2", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)54 })));
assertEquals("AAA3", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)55 })));
assertEquals("AAA4", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)56 })));
assertEquals("AAA5", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)57 })));
assertEquals("AAA6", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)58 })));
assertEquals("AAA7", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)59 })));
assertEquals("AAA8", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)60 })));
assertEquals("AAA9", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)61 })));
assertEquals("AAA+", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)62 })));
assertEquals("AAA/", new String(new Base64().encode(new byte[] { (byte)0, (byte)0, (byte)63 })));
assertEquals("AAAA", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)0 })));
assertEquals("AAAB", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)1 })));
assertEquals("AAAC", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)2 })));
assertEquals("AAAD", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)3 })));
assertEquals("AAAE", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)4 })));
assertEquals("AAAF", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)5 })));
assertEquals("AAAG", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)6 })));
assertEquals("AAAH", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)7 })));
assertEquals("AAAI", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)8 })));
assertEquals("AAAJ", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)9 })));
assertEquals("AAAK", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)10 })));
assertEquals("AAAL", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)11 })));
assertEquals("AAAM", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)12 })));
assertEquals("AAAN", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)13 })));
assertEquals("AAAO", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)14 })));
assertEquals("AAAP", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)15 })));
assertEquals("AAAQ", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)16 })));
assertEquals("AAAR", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)17 })));
assertEquals("AAAS", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)18 })));
assertEquals("AAAT", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)19 })));
assertEquals("AAAU", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)20 })));
assertEquals("AAAV", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)21 })));
assertEquals("AAAW", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)22 })));
assertEquals("AAAX", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)23 })));
assertEquals("AAAY", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)24 })));
assertEquals("AAAZ", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)25 })));
assertEquals("AAAa", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)26 })));
assertEquals("AAAb", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)27 })));
assertEquals("AAAc", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)28 })));
assertEquals("AAAd", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)29 })));
assertEquals("AAAe", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)30 })));
assertEquals("AAAf", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)31 })));
assertEquals("AAAg", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)32 })));
assertEquals("AAAh", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)33 })));
assertEquals("AAAi", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)34 })));
assertEquals("AAAj", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)35 })));
assertEquals("AAAk", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)36 })));
assertEquals("AAAl", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)37 })));
assertEquals("AAAm", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)38 })));
assertEquals("AAAn", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)39 })));
assertEquals("AAAo", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)40 })));
assertEquals("AAAp", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)41 })));
assertEquals("AAAq", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)42 })));
assertEquals("AAAr", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)43 })));
assertEquals("AAAs", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)44 })));
assertEquals("AAAt", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)45 })));
assertEquals("AAAu", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)46 })));
assertEquals("AAAv", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)47 })));
assertEquals("AAAw", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)48 })));
assertEquals("AAAx", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)49 })));
assertEquals("AAAy", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)50 })));
assertEquals("AAAz", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)51 })));
assertEquals("AAA0", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)52 })));
assertEquals("AAA1", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)53 })));
assertEquals("AAA2", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)54 })));
assertEquals("AAA3", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)55 })));
assertEquals("AAA4", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)56 })));
assertEquals("AAA5", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)57 })));
assertEquals("AAA6", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)58 })));
assertEquals("AAA7", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)59 })));
assertEquals("AAA8", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)60 })));
assertEquals("AAA9", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)61 })));
assertEquals("AAA-", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)62 })));
assertEquals("AAA_", new String(new Base64(true).encode(new byte[] { (byte)0, (byte)0, (byte)63 })));
}
public void testKnownEncodings() {
assertEquals("VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg==",
new Base64().encodeToString("The quick brown fox jumped over the lazy dogs.".getBytes()));
assertEquals("SXQgd2FzIHRoZSBiZXN0IG9mIHRpbWVzLCBpdCB3YXMgdGhlIHdvcnN0IG9mIHRpbWVzLg==",
new Base64().encodeToString("It was the best of times, it was the worst of times.".getBytes()));
assertEquals("aHR0cDovL2pha2FydGEuYXBhY2hlLm9yZy9jb21tbW9ucw==",
new Base64().encodeToString("http://jakarta.apache.org/commmons".getBytes()));
assertEquals("QWFCYkNjRGRFZUZmR2dIaElpSmpLa0xsTW1Obk9vUHBRcVJyU3NUdFV1VnZXd1h4WXlaeg==",
new Base64().encodeToString("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz".getBytes()));
assertEquals("eyAwLCAxLCAyLCAzLCA0LCA1LCA2LCA3LCA4LCA5IH0=",
new Base64().encodeToString("{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }".getBytes()));
assertEquals("eHl6enkh", new String(new Base64().encode("xyzzy!".getBytes())));
assertEquals("VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg..",
new Base64(true).encodeToString("The quick brown fox jumped over the lazy dogs.".getBytes()));
assertEquals("SXQgd2FzIHRoZSBiZXN0IG9mIHRpbWVzLCBpdCB3YXMgdGhlIHdvcnN0IG9mIHRpbWVzLg..",
new Base64(true).encodeToString("It was the best of times, it was the worst of times.".getBytes()));
assertEquals("aHR0cDovL2pha2FydGEuYXBhY2hlLm9yZy9jb21tbW9ucw..",
new Base64(true).encodeToString("http://jakarta.apache.org/commmons".getBytes()));
assertEquals("QWFCYkNjRGRFZUZmR2dIaElpSmpLa0xsTW1Obk9vUHBRcVJyU3NUdFV1VnZXd1h4WXlaeg..",
new Base64(true).encodeToString("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz".getBytes()));
assertEquals("eyAwLCAxLCAyLCAzLCA0LCA1LCA2LCA3LCA4LCA5IH0.",
new Base64(true).encodeToString("{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }".getBytes()));
assertEquals("eHl6enkh", new String(new Base64(true).encode("xyzzy!".getBytes())));
}
public void testKnownDecodings() {
assertEquals("The quick brown fox jumped over the lazy dogs.",
new String(new Base64().decodeFromString("VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg==")));
assertEquals("It was the best of times, it was the worst of times.",
new String(new Base64().decodeFromString("SXQgd2FzIHRoZSBiZXN0IG9mIHRpbWVzLCBpdCB3YXMgdGhlIHdvcnN0IG9mIHRpbWVzLg==")));
assertEquals("http://jakarta.apache.org/commmons",
new String(new Base64().decodeFromString("aHR0cDovL2pha2FydGEuYXBhY2hlLm9yZy9jb21tbW9ucw==")));
assertEquals("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz",
new String(new Base64().decodeFromString("QWFCYkNjRGRFZUZmR2dIaElpSmpLa0xsTW1Obk9vUHBRcVJyU3NUdFV1VnZXd1h4WXlaeg==")));
assertEquals("{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }",
new String(new Base64().decodeFromString("eyAwLCAxLCAyLCAzLCA0LCA1LCA2LCA3LCA4LCA5IH0=")));
assertEquals("xyzzy!",
new String(new Base64().decodeFromString("eHl6enkh")));
assertEquals("The quick brown fox jumped over the lazy dogs.",
new String(new Base64(true).decodeFromString("VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg..")));
assertEquals("It was the best of times, it was the worst of times.",
new String(new Base64(true).decodeFromString("SXQgd2FzIHRoZSBiZXN0IG9mIHRpbWVzLCBpdCB3YXMgdGhlIHdvcnN0IG9mIHRpbWVzLg..")));
assertEquals("http://jakarta.apache.org/commmons",
new String(new Base64(true).decodeFromString("aHR0cDovL2pha2FydGEuYXBhY2hlLm9yZy9jb21tbW9ucw..")));
assertEquals("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz",
new String(new Base64(true).decodeFromString("QWFCYkNjRGRFZUZmR2dIaElpSmpLa0xsTW1Obk9vUHBRcVJyU3NUdFV1VnZXd1h4WXlaeg..")));
assertEquals("{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }",
new String(new Base64(true).decodeFromString("eyAwLCAxLCAyLCAzLCA0LCA1LCA2LCA3LCA4LCA5IH0.")));
assertEquals("xyzzy!",
new String(new Base64(true).decodeFromString("eHl6enkh")));
}
public void testNonBase64Test() throws Exception {
byte[] bArray = { '%' };
try {
byte[] result = new Base64().decode(bArray);
assertTrue("The result should be empty as the test encoded content did " +
"not contain any valid base 64 characters", result.length == 0);
}
catch (Exception e) {
fail("Exception was thrown when trying to decode " +
"invalid base64 encoded data - RFC 2045 requires that all " +
"non base64 character be discarded, an exception should not" +
" have been thrown");
}
}
public void testIgnoringNonBase64InDecode() throws Exception {
assertEquals("The quick brown fox jumped over the lazy dogs.",
new String(new Base64().decodeFromString(
"VGhlIH@$#$@%F1aWN@#@#@@rIGJyb3duIGZve\n\r\t%#%#%#%CBqd##$#$W1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg==")));
assertEquals("The quick brown fox jumped over the lazy dogs.",
new String(new Base64(true).decodeFromString(
"VGhlIH@$#$@%F1aWN@#@#@@rIGJyb3duIGZve\n\r\t%#%#%#%CBqd##$#$W1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg..")));
}
public void testDecodeWithWhitespace() throws Exception {
String orig = "I am a late night coder.";
byte[] encodedArray = new Base64().encode(orig.getBytes());
StringBuffer intermediate = new StringBuffer(new String(encodedArray));
intermediate.insert( 2, ' ' );
intermediate.insert( 5, '\t' );
intermediate.insert( 10, '\r' );
intermediate.insert( 15, '\n' );
byte[] encodedWithWhitespace = intermediate.toString().getBytes();
byte[] decodedWithWhitespace = new Base64().decode(encodedWithWhitespace);
String dest = new String(decodedWithWhitespace);
assertEquals(orig, dest);
}
public void testEncodePaddingChar() {
assertEquals("=", new String(new Base64().decode(new Base64().encode("=".getBytes()))));
assertEquals(".", new String(new Base64().decode(new Base64().encode(".".getBytes()))));
assertEquals("=", new String(new Base64(true).decode(new Base64(true).encode("=".getBytes()))));
assertEquals(".", new String(new Base64(true).decode(new Base64(true).encode(".".getBytes()))));
}
public void testUrlSafety() throws Exception {
byte[] bytes = new byte[256];
for (int i = 0; i < 256; i++) {
bytes[i] = (byte)i;
}
byte[] encoded = new Base64(true).encode(bytes);
String encodedString = new String(encoded, "UTF-8");
String urlEncoded = URLEncoder.encode(encodedString, "UTF-8");
assertEquals(encodedString, urlEncoded);
String urlDecoded = URLDecoder.decode(urlEncoded, "UTF-8");
assertEquals(encodedString, urlDecoded);
byte[] decoded = new Base64(true).decode(urlDecoded.getBytes("UTF-8"));
assertEquals(bytes.length, decoded.length);
for (int i = 0; i < 256; i++) {
assertEquals(bytes[i], decoded[i]);
}
}
}