org.wildfly.security.asn1.OidsUtil Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2015 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.wildfly.security.asn1;
import org.wildfly.common.Assert;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
/**
* OIDs to attribute name and back conversion utility.
* Use oids.properties file to map each other.
*
* @author Jan Kalina
*/
public class OidsUtil {
/**
* Category of mapping - determine context of the mapping
*/
public enum Category {
RDN,
GSS
}
private static Map> attributeNameToOidTable = new HashMap<>();
private static Map> oidToAttributeNameTable = new HashMap<>();
static { // loading OIDs maps from properties file
for (Category category : Category.values()) {
attributeNameToOidTable.put(category, new HashMap<>());
oidToAttributeNameTable.put(category, new HashMap<>());
}
try (InputStream stream = OidsUtil.class.getResourceAsStream("oids.properties")) {
Properties props = new Properties();
props.load(stream);
for (String propName : props.stringPropertyNames()) {
int delimiter = propName.indexOf('.');
if (delimiter < 0) throw new IllegalStateException();
Category category = Category.valueOf(propName.substring(0, delimiter));
String oid = propName.substring(delimiter + 1);
String[] attributeNames = props.getProperty(propName).split(",");
for (String attributeName : attributeNames) {
attributeNameToOidTable.get(category).put(attributeName, oid);
}
oidToAttributeNameTable.get(category).put(oid, attributeNames[0]);
}
} catch (Exception e) {
throw ElytronMessages.log.unableToLoadOidsFromPropertiesFile(e);
}
}
/**
* Convert an X.500 attribute name (AVA keyword) to OID
* @param category category of OID / context of the conversion
* @param attributeName X.500 attribute name
* @return corresponding OID or {@code null} if was not recognized
*/
public static String attributeNameToOid(Category category, String attributeName) {
Assert.checkNotNullParam("category", category);
Assert.checkNotNullParam("attributeName", attributeName);
return attributeNameToOidTable.get(category).get(attributeName.toUpperCase(Locale.ROOT));
}
/**
* Convert an X.500 attribute name (AVA keyword) to OID
* @param category category of OID / context of the conversion
* @param oid X.500 attribute OID
* @return corresponding attribute name or {@code null} if was not recognized
*/
public static String oidToAttributeName(Category category, String oid) {
Assert.checkNotNullParam("category", category);
Assert.checkNotNullParam("oid", oid);
return oidToAttributeNameTable.get(category).get(oid);
}
}