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Remove BaseDigestPasswordEncoder from core 

Issue: gh-4674
This commit is contained in:
Rob Winch 2017-10-22 14:11:09 -05:00
parent a8aa65b828
commit 6a3e981c80
7 changed files with 1 additions and 332 deletions
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11
config/src/main/java/org/springframework/security/config/authentication/PasswordEncoderParser.java
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@ -26,7 +26,6 @@ import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.security.authentication.encoding.BaseDigestPasswordEncoder;
import org.springframework.security.authentication.encoding.LdapShaPasswordEncoder;
import org.springframework.security.config.Elements;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
@ -107,16 +106,6 @@ public class PasswordEncoderParser {
Class<?> beanClass = ENCODER_CLASSES.get(hash);
BeanDefinitionBuilder beanBldr = BeanDefinitionBuilder
.rootBeanDefinition(beanClass);
if (useBase64) {
if (BaseDigestPasswordEncoder.class.isAssignableFrom(beanClass)) {
beanBldr.addPropertyValue("encodeHashAsBase64", "true");
}
else {
logger.warn(ATT_BASE_64 + " isn't compatible with " + hash
+ " and will be ignored");
}
}
return beanBldr.getBeanDefinition();
}

2
config/src/main/resources/org/springframework/security/config/spring-security-5.0.rnc
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@ -56,7 +56,7 @@ password-encoder =
## element which defines a password encoding strategy. Used by an authentication provider to convert submitted passwords to hashed versions, for example.
element password-encoder {password-encoder.attlist, salt-source?}
password-encoder.attlist &=
ref | (hash? & base64?)
ref | (hash)
salt-source =
## Password salting strategy. A system-wide constant or a property from the UserDetails object can be used.

6
config/src/main/resources/org/springframework/security/config/spring-security-5.0.xsd
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@ -147,12 +147,6 @@
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="base64" type="xs:boolean">
<xs:annotation>
<xs:documentation>Whether a string should be base64 encoded
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:attributeGroup>
<xs:attributeGroup name="user-property">

49
core/src/main/java/org/springframework/security/authentication/encoding/BaseDigestPasswordEncoder.java
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@ -1,49 +0,0 @@
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.security.authentication.encoding;
/**
* <p>
* Convenience base for digest password encoders.
* </p>
*
* @author colin sampaleanu
*/
public abstract class BaseDigestPasswordEncoder extends BasePasswordEncoder {
// ~ Instance fields
// ================================================================================================
private boolean encodeHashAsBase64 = false;
// ~ Methods
// ========================================================================================================
public boolean getEncodeHashAsBase64() {
return encodeHashAsBase64;
}
/**
* The encoded password is normally returned as Hex (32 char) version of the hash
* bytes. Setting this property to true will cause the encoded pass to be returned as
* Base64 text, which will consume 24 characters.
*
* @param encodeHashAsBase64 set to true for Base64 output
*/
public void setEncodeHashAsBase64(boolean encodeHashAsBase64) {
this.encodeHashAsBase64 = encodeHashAsBase64;
}
}

105
core/src/main/java/org/springframework/security/authentication/encoding/BasePasswordEncoder.java
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@ -1,105 +0,0 @@
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.security.authentication.encoding;
/**
* <p>
* Convenience base for all password encoders.
* </p>
*
* @author Ben Alex
*/
public abstract class BasePasswordEncoder implements PasswordEncoder {
// ~ Methods
// ========================================================================================================
/**
* Used by subclasses to extract the password and salt from a merged
* <code>String</code> created using
* {@link #mergePasswordAndSalt(String,Object,boolean)}.
* <p>
* The first element in the returned array is the password. The second element is the
* salt. The salt array element will always be present, even if no salt was found in
* the <code>mergedPasswordSalt</code> argument.
* </p>
*
* @param mergedPasswordSalt as generated by <code>mergePasswordAndSalt</code>
*
* @return an array, in which the first element is the password and the second the
* salt
*
* @throws IllegalArgumentException if mergedPasswordSalt is null or empty.
*/
protected String[] demergePasswordAndSalt(String mergedPasswordSalt) {
if ((mergedPasswordSalt == null) || "".equals(mergedPasswordSalt)) {
throw new IllegalArgumentException("Cannot pass a null or empty String");
}
String password = mergedPasswordSalt;
String salt = "";
int saltBegins = mergedPasswordSalt.lastIndexOf("{");
if ((saltBegins != -1) && ((saltBegins + 1) < mergedPasswordSalt.length())) {
salt = mergedPasswordSalt.substring(saltBegins + 1,
mergedPasswordSalt.length() - 1);
password = mergedPasswordSalt.substring(0, saltBegins);
}
return new String[] { password, salt };
}
/**
* Used by subclasses to generate a merged password and salt <code>String</code>.
* <P>
* The generated password will be in the form of <code>password{salt}</code>.
* </p>
* <p>
* A <code>null</code> can be passed to either method, and will be handled correctly.
* If the <code>salt</code> is <code>null</code> or empty, the resulting generated
* password will simply be the passed <code>password</code>. The <code>toString</code>
* method of the <code>salt</code> will be used to represent the salt.
* </p>
*
* @param password the password to be used (can be <code>null</code>)
* @param salt the salt to be used (can be <code>null</code>)
* @param strict ensures salt doesn't contain the delimiters
*
* @return a merged password and salt <code>String</code>
*
* @throws IllegalArgumentException if the salt contains '{' or '}' characters.
*/
protected String mergePasswordAndSalt(String password, Object salt, boolean strict) {
if (password == null) {
password = "";
}
if (strict && (salt != null)) {
if ((salt.toString().lastIndexOf("{") != -1)
|| (salt.toString().lastIndexOf("}") != -1)) {
throw new IllegalArgumentException("Cannot use { or } in salt.toString()");
}
}
if ((salt == null) || "".equals(salt)) {
return password;
}
else {
return password + "{" + salt.toString() + "}";
}
}
}

155
core/src/test/java/org/springframework/security/authentication/encoding/BasePasswordEncoderTests.java
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@ -1,155 +0,0 @@
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.security.authentication.encoding;
import static org.assertj.core.api.Assertions.*;
import org.junit.Test;
/**
* <p>
* TestCase for BasePasswordEncoder.
* </p>
*
* @author Ben Alex
*/
public class BasePasswordEncoderTests {
// ~ Methods
// ========================================================================================================
@Test
public void testDemergeHandlesEmptyAndNullSalts() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt("password", null, true);
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("password");
assertThat(demerged[1]).isEqualTo("");
merged = pwd.nowMergePasswordAndSalt("password", "", true);
demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("password");
assertThat(demerged[1]).isEqualTo("");
}
@Test
public void testDemergeWithEmptyStringIsRejected() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowDemergePasswordAndSalt("");
fail("Should have thrown IllegalArgumentException");
}
catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot pass a null or empty String");
}
}
@Test
public void testDemergeWithNullIsRejected() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowDemergePasswordAndSalt(null);
fail("Should have thrown IllegalArgumentException");
}
catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot pass a null or empty String");
}
}
@Test
public void testMergeDemerge() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt("password", "foo", true);
assertThat(merged).isEqualTo("password{foo}");
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("password");
assertThat(demerged[1]).isEqualTo("foo");
}
@Test
public void testMergeDemergeWithDelimitersInPassword() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt("p{ass{w{o}rd", "foo", true);
assertThat(merged).isEqualTo("p{ass{w{o}rd{foo}");
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("p{ass{w{o}rd");
assertThat(demerged[1]).isEqualTo("foo");
}
@Test
public void testMergeDemergeWithNullAsPassword() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt(null, "foo", true);
assertThat(merged).isEqualTo("{foo}");
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("");
assertThat(demerged[1]).isEqualTo("foo");
}
@Test
public void testStrictMergeRejectsDelimitersInSalt1() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowMergePasswordAndSalt("password", "f{oo", true);
fail("Should have thrown IllegalArgumentException");
}
catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot use { or } in salt.toString()");
}
}
@Test
public void testStrictMergeRejectsDelimitersInSalt2() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowMergePasswordAndSalt("password", "f}oo", true);
fail("Should have thrown IllegalArgumentException");
}
catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot use { or } in salt.toString()");
}
}
// ~ Inner Classes
// ==================================================================================================
private class MockPasswordEncoder extends BasePasswordEncoder {
public String encodePassword(String rawPass, Object salt) {
throw new UnsupportedOperationException("mock method not implemented");
}
public boolean isPasswordValid(String encPass, String rawPass, Object salt) {
throw new UnsupportedOperationException("mock method not implemented");
}
public String[] nowDemergePasswordAndSalt(String password) {
return demergePasswordAndSalt(password);
}
public String nowMergePasswordAndSalt(String password, Object salt, boolean strict) {
return mergePasswordAndSalt(password, salt, strict);
}
}
}

5
docs/manual/src/docs/asciidoc/index.adoc
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@ -9185,11 +9185,6 @@ Authentication providers can optionally be configured to use a password encoder
===== <password-encoder> Attributes
[[nsa-password-encoder-base64]]
* **base64**
Whether a string should be base64 encoded
[[nsa-password-encoder-hash]]
* **hash**
Defines the hashing algorithm used on user passwords. We recommend strongly against using MD4, as it is a very weak hashing algorithm.