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/*
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
*
* Modifications Copyright (C) 2019 IBM.
* ===========================================================================
* 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.
* ============LICENSE_END====================================================
*
*/
package org.onap.aaf.certservice.cmpv2client.external;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.x500.style.BCStyle;
import org.bouncycastle.cert.CertException;
public class RDN {
private String tag;
private String value;
private ASN1ObjectIdentifier aoi;
public String getValue() {
return value;
}
public ASN1ObjectIdentifier getAoi() {
return aoi;
}
public RDN(final String tag, final String value) throws CertException {
this.tag = tag;
this.value = value;
this.aoi = getAoi(tag);
}
public RDN(final String tagValue) throws CertException {
List<String> tv = parseRDN("=", tagValue);
this.tag = tv.get(0);
this.value = tv.get(1);
this.aoi = getAoi(this.tag);
}
/**
* Splits RDN as string by given delimiter, then trims every part.
*
* @param splitBy Delimiter which splits value
* @param value Value to be splitted
* @return List of splitted and trimmed strings
*/
public static List<String> parseRDN(String splitBy, String value) {
String[] splitted = value.split(splitBy);
return Arrays.stream(splitted)
.map(String::trim)
.collect(Collectors.toList());
}
/**
* Parse various forms of DNs into appropriate RDNs, which have the ASN1ObjectIdentifier
*
* @param delim
* @param dnString
* @return
* @throws CertException
*/
public static List<RDN> parse(final char delim, final String dnString) throws CertException {
List<RDN> lrnd = new ArrayList<>();
StringBuilder sb = new StringBuilder();
boolean inQuotes = false;
for (int i = 0; i < dnString.length(); ++i) {
char c = dnString.charAt(i);
if (inQuotes) {
if ('"' == c) {
inQuotes = false;
} else {
sb.append(dnString.charAt(i));
}
} else {
if ('"' == c) {
inQuotes = true;
} else if (delim == c) {
if (sb.length() > 0) {
lrnd.add(new RDN(sb.toString()));
sb.setLength(0);
}
} else {
sb.append(dnString.charAt(i));
}
}
}
if (sb.indexOf("=") > 0) {
lrnd.add(new RDN(sb.toString()));
}
return lrnd;
}
@Override
public String toString() {
return tag + '=' + value;
}
ASN1ObjectIdentifier getAoi(String tag) throws CertException {
switch (tag.toLowerCase()) {
case "cn":
return BCStyle.CN;
case "c":
return BCStyle.C;
case "st":
return BCStyle.ST;
case "l":
return BCStyle.L;
case "o":
return BCStyle.O;
case "ou":
return BCStyle.OU;
case "dc":
return BCStyle.DC;
case "gn":
return BCStyle.GIVENNAME;
case "sn":
return BCStyle.SN;
case "email":
case "e":
case "emailaddress":
return BCStyle.EmailAddress;
case "initials":
return BCStyle.INITIALS;
case "pseudonym":
return BCStyle.PSEUDONYM;
case "generationqualifier":
return BCStyle.GENERATION;
case "serialnumber":
return BCStyle.SERIALNUMBER;
default:
throw new CertException(
"Unknown ASN1ObjectIdentifier for tag " + tag);
}
}
}
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