Rename prefix/suffix in DelegatingPasswordEncoder

Issue gh-10273
This commit is contained in:
Rob Winch 2021-11-16 13:15:45 -06:00
parent 399cf2e59d
commit 582629c087
1 changed files with 24 additions and 23 deletions

View File

@ -53,7 +53,8 @@ import java.util.Map;
* Such that "id" is an identifier used to look up which {@link PasswordEncoder} should be
* used and "encodedPassword" is the original encoded password for the selected
* {@link PasswordEncoder}. The "id" must be at the beginning of the password, start with
* "{" and end with "}". If the "id" cannot be found, the "id" will be null.
* "{" (id prefix) and end with "}" (id suffix). Both id prefix and id suffix can be customized via
* {@link #DelegatingPasswordEncoder(String, Map, String, String)}. If the "id" cannot be found, the "id" will be null.
*
* For example, the following might be a list of passwords encoded using different "id".
* All of the original passwords are "password".
@ -122,13 +123,13 @@ import java.util.Map;
*/
public class DelegatingPasswordEncoder implements PasswordEncoder {
private static final String DEFAULT_PREFIX = "{";
private static final String DEFAULT_ID_PREFIX = "{";
private static final String DEFAULT_SUFFIX = "}";
private static final String DEFAULT_ID_SUFFIX = "}";
private final String prefix;
private final String idPrefix;
private final String suffix;
private final String idSuffix;
private final String idForEncode;
@ -147,7 +148,7 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
* {@link #matches(CharSequence, String)}
*/
public DelegatingPasswordEncoder(String idForEncode, Map<String, PasswordEncoder> idToPasswordEncoder) {
this(idForEncode, idToPasswordEncoder, DEFAULT_PREFIX, DEFAULT_SUFFIX);
this(idForEncode, idToPasswordEncoder, DEFAULT_ID_PREFIX, DEFAULT_ID_SUFFIX);
}
/**
@ -156,19 +157,19 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
* used for {@link #encode(CharSequence)}
* @param idToPasswordEncoder a Map of id to {@link PasswordEncoder} used to determine
* which {@link PasswordEncoder} should be used for
* @param prefix the prefix that denotes the start of an {@code idForEncode}
* @param suffix the suffix that denotes the end of an {@code idForEncode}
* @param idPrefix the prefix that denotes the start of the id in the encoded results
* @param idSuffix the suffix that denotes the end of an id in the encoded results
* {@link #matches(CharSequence, String)}
*/
public DelegatingPasswordEncoder(String idForEncode, Map<String, PasswordEncoder> idToPasswordEncoder,
String prefix, String suffix) {
String idPrefix, String idSuffix) {
if (idForEncode == null) {
throw new IllegalArgumentException("idForEncode cannot be null");
}
if (prefix == null) {
if (idPrefix == null) {
throw new IllegalArgumentException("prefix cannot be null");
}
if (suffix == null || suffix.isEmpty()) {
if (idSuffix == null || idSuffix.isEmpty()) {
throw new IllegalArgumentException("suffix cannot be empty");
}
@ -180,18 +181,18 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
if (id == null) {
continue;
}
if (!prefix.isEmpty() && id.contains(prefix)) {
throw new IllegalArgumentException("id " + id + " cannot contain " + prefix);
if (!idPrefix.isEmpty() && id.contains(idPrefix)) {
throw new IllegalArgumentException("id " + id + " cannot contain " + idPrefix);
}
if (id.contains(suffix)) {
throw new IllegalArgumentException("id " + id + " cannot contain " + suffix);
if (id.contains(idSuffix)) {
throw new IllegalArgumentException("id " + id + " cannot contain " + idSuffix);
}
}
this.idForEncode = idForEncode;
this.passwordEncoderForEncode = idToPasswordEncoder.get(idForEncode);
this.idToPasswordEncoder = new HashMap<>(idToPasswordEncoder);
this.prefix = prefix;
this.suffix = suffix;
this.idPrefix = idPrefix;
this.idSuffix = idSuffix;
}
/**
@ -217,7 +218,7 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
@Override
public String encode(CharSequence rawPassword) {
return this.prefix + this.idForEncode + this.suffix + this.passwordEncoderForEncode.encode(rawPassword);
return this.idPrefix + this.idForEncode + this.idSuffix + this.passwordEncoderForEncode.encode(rawPassword);
}
@Override
@ -238,15 +239,15 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
if (prefixEncodedPassword == null) {
return null;
}
int start = prefixEncodedPassword.indexOf(this.prefix);
int start = prefixEncodedPassword.indexOf(this.idPrefix);
if (start != 0) {
return null;
}
int end = prefixEncodedPassword.indexOf(this.suffix, start);
int end = prefixEncodedPassword.indexOf(this.idSuffix, start);
if (end < 0) {
return null;
}
return prefixEncodedPassword.substring(start + this.prefix.length(), end);
return prefixEncodedPassword.substring(start + this.idPrefix.length(), end);
}
@Override
@ -262,8 +263,8 @@ public class DelegatingPasswordEncoder implements PasswordEncoder {
}
private String extractEncodedPassword(String prefixEncodedPassword) {
int start = prefixEncodedPassword.indexOf(this.suffix);
return prefixEncodedPassword.substring(start + this.suffix.length());
int start = prefixEncodedPassword.indexOf(this.idSuffix);
return prefixEncodedPassword.substring(start + this.idSuffix.length());
}
/**