package org.bouncycastle.asn1.x500.style;

import java.io.IOException;
import java.util.Hashtable;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DERPrintableString;
import org.bouncycastle.asn1.DERUTF8String;
import org.bouncycastle.asn1.x500.AttributeTypeAndValue;
import org.bouncycastle.asn1.x500.RDN;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x500.X500NameStyle;

public class RFC4519Style
    implements X500NameStyle
{
    public static final X500NameStyle INSTANCE = new RFC4519Style();

    public static final ASN1ObjectIdentifier businessCategory = new ASN1ObjectIdentifier("2.5.4.15");
    public static final ASN1ObjectIdentifier c = new ASN1ObjectIdentifier("2.5.4.6");
    public static final ASN1ObjectIdentifier cn = new ASN1ObjectIdentifier("2.5.4.3");
    public static final ASN1ObjectIdentifier dc = new ASN1ObjectIdentifier("0.9.2342.19200300.100.1.25");
    public static final ASN1ObjectIdentifier description = new ASN1ObjectIdentifier("2.5.4.13");
    public static final ASN1ObjectIdentifier destinationIndicator = new ASN1ObjectIdentifier("2.5.4.27");
    public static final ASN1ObjectIdentifier distinguishedName = new ASN1ObjectIdentifier("2.5.4.49");
    public static final ASN1ObjectIdentifier dnQualifier = new ASN1ObjectIdentifier("2.5.4.46");
    public static final ASN1ObjectIdentifier enhancedSearchGuide = new ASN1ObjectIdentifier("2.5.4.47");
    public static final ASN1ObjectIdentifier facsimileTelephoneNumber = new ASN1ObjectIdentifier("2.5.4.23");
    public static final ASN1ObjectIdentifier generationQualifier = new ASN1ObjectIdentifier("2.5.4.44");
    public static final ASN1ObjectIdentifier givenName = new ASN1ObjectIdentifier("2.5.4.42");
    public static final ASN1ObjectIdentifier houseIdentifier = new ASN1ObjectIdentifier("2.5.4.51");
    public static final ASN1ObjectIdentifier initials = new ASN1ObjectIdentifier("2.5.4.43");
    public static final ASN1ObjectIdentifier internationalISDNNumber = new ASN1ObjectIdentifier("2.5.4.25");
    public static final ASN1ObjectIdentifier l = new ASN1ObjectIdentifier("2.5.4.7");
    public static final ASN1ObjectIdentifier member = new ASN1ObjectIdentifier("2.5.4.31");
    public static final ASN1ObjectIdentifier name = new ASN1ObjectIdentifier("2.5.4.41");
    public static final ASN1ObjectIdentifier o = new ASN1ObjectIdentifier("2.5.4.10");
    public static final ASN1ObjectIdentifier ou = new ASN1ObjectIdentifier("2.5.4.11");
    public static final ASN1ObjectIdentifier owner = new ASN1ObjectIdentifier("2.5.4.32");
    public static final ASN1ObjectIdentifier physicalDeliveryOfficeName = new ASN1ObjectIdentifier("2.5.4.19");
    public static final ASN1ObjectIdentifier postalAddress = new ASN1ObjectIdentifier("2.5.4.16");
    public static final ASN1ObjectIdentifier postalCode = new ASN1ObjectIdentifier("2.5.4.17");
    public static final ASN1ObjectIdentifier postOfficeBox = new ASN1ObjectIdentifier("2.5.4.18");
    public static final ASN1ObjectIdentifier preferredDeliveryMethod = new ASN1ObjectIdentifier("2.5.4.28");
    public static final ASN1ObjectIdentifier registeredAddress = new ASN1ObjectIdentifier("2.5.4.26");
    public static final ASN1ObjectIdentifier roleOccupant = new ASN1ObjectIdentifier("2.5.4.33");
    public static final ASN1ObjectIdentifier searchGuide = new ASN1ObjectIdentifier("2.5.4.14");
    public static final ASN1ObjectIdentifier seeAlso = new ASN1ObjectIdentifier("2.5.4.34");
    public static final ASN1ObjectIdentifier serialNumber = new ASN1ObjectIdentifier("2.5.4.5");
    public static final ASN1ObjectIdentifier sn = new ASN1ObjectIdentifier("2.5.4.4");
    public static final ASN1ObjectIdentifier st = new ASN1ObjectIdentifier("2.5.4.8");
    public static final ASN1ObjectIdentifier street = new ASN1ObjectIdentifier("2.5.4.9");
    public static final ASN1ObjectIdentifier telephoneNumber = new ASN1ObjectIdentifier("2.5.4.20");
    public static final ASN1ObjectIdentifier teletexTerminalIdentifier = new ASN1ObjectIdentifier("2.5.4.22");
    public static final ASN1ObjectIdentifier telexNumber = new ASN1ObjectIdentifier("2.5.4.21");
    public static final ASN1ObjectIdentifier title = new ASN1ObjectIdentifier("2.5.4.12");
    public static final ASN1ObjectIdentifier uid = new ASN1ObjectIdentifier("0.9.2342.19200300.100.1.1");
    public static final ASN1ObjectIdentifier uniqueMember = new ASN1ObjectIdentifier("2.5.4.50");
    public static final ASN1ObjectIdentifier userPassword = new ASN1ObjectIdentifier("2.5.4.35");
    public static final ASN1ObjectIdentifier x121Address = new ASN1ObjectIdentifier("2.5.4.24");
    public static final ASN1ObjectIdentifier x500UniqueIdentifier = new ASN1ObjectIdentifier("2.5.4.45");

    
default look up table translating OID values into their common symbols following the convention in RFC 2253 with a few extras
/** * default look up table translating OID values into their common symbols following * the convention in RFC 2253 with a few extras */
private static final Hashtable DefaultSymbols = new Hashtable();
look up table translating common symbols into their OIDS.
/** * look up table translating common symbols into their OIDS. */
private static final Hashtable DefaultLookUp = new Hashtable(); static { DefaultSymbols.put(businessCategory, "businessCategory"); DefaultSymbols.put(c, "c"); DefaultSymbols.put(cn, "cn"); DefaultSymbols.put(dc, "dc"); DefaultSymbols.put(description, "description"); DefaultSymbols.put(destinationIndicator, "destinationIndicator"); DefaultSymbols.put(distinguishedName, "distinguishedName"); DefaultSymbols.put(dnQualifier, "dnQualifier"); DefaultSymbols.put(enhancedSearchGuide, "enhancedSearchGuide"); DefaultSymbols.put(facsimileTelephoneNumber, "facsimileTelephoneNumber"); DefaultSymbols.put(generationQualifier, "generationQualifier"); DefaultSymbols.put(givenName, "givenName"); DefaultSymbols.put(houseIdentifier, "houseIdentifier"); DefaultSymbols.put(initials, "initials"); DefaultSymbols.put(internationalISDNNumber, "internationalISDNNumber"); DefaultSymbols.put(l, "l"); DefaultSymbols.put(member, "member"); DefaultSymbols.put(name, "name"); DefaultSymbols.put(o, "o"); DefaultSymbols.put(ou, "ou"); DefaultSymbols.put(owner, "owner"); DefaultSymbols.put(physicalDeliveryOfficeName, "physicalDeliveryOfficeName"); DefaultSymbols.put(postalAddress, "postalAddress"); DefaultSymbols.put(postalCode, "postalCode"); DefaultSymbols.put(postOfficeBox, "postOfficeBox"); DefaultSymbols.put(preferredDeliveryMethod, "preferredDeliveryMethod"); DefaultSymbols.put(registeredAddress, "registeredAddress"); DefaultSymbols.put(roleOccupant, "roleOccupant"); DefaultSymbols.put(searchGuide, "searchGuide"); DefaultSymbols.put(seeAlso, "seeAlso"); DefaultSymbols.put(serialNumber, "serialNumber"); DefaultSymbols.put(sn, "sn"); DefaultSymbols.put(st, "st"); DefaultSymbols.put(street, "street"); DefaultSymbols.put(telephoneNumber, "telephoneNumber"); DefaultSymbols.put(teletexTerminalIdentifier, "teletexTerminalIdentifier"); DefaultSymbols.put(telexNumber, "telexNumber"); DefaultSymbols.put(title, "title"); DefaultSymbols.put(uid, "uid"); DefaultSymbols.put(uniqueMember, "uniqueMember"); DefaultSymbols.put(userPassword, "userPassword"); DefaultSymbols.put(x121Address, "x121Address"); DefaultSymbols.put(x500UniqueIdentifier, "x500UniqueIdentifier"); DefaultLookUp.put("businesscategory", businessCategory); DefaultLookUp.put("c", c); DefaultLookUp.put("cn", cn); DefaultLookUp.put("dc", dc); DefaultLookUp.put("description", description); DefaultLookUp.put("destinationindicator", destinationIndicator); DefaultLookUp.put("distinguishedname", distinguishedName); DefaultLookUp.put("dnqualifier", dnQualifier); DefaultLookUp.put("enhancedsearchguide", enhancedSearchGuide); DefaultLookUp.put("facsimiletelephonenumber", facsimileTelephoneNumber); DefaultLookUp.put("generationqualifier", generationQualifier); DefaultLookUp.put("givenname", givenName); DefaultLookUp.put("houseidentifier", houseIdentifier); DefaultLookUp.put("initials", initials); DefaultLookUp.put("internationalisdnnumber", internationalISDNNumber); DefaultLookUp.put("l", l); DefaultLookUp.put("member", member); DefaultLookUp.put("name", name); DefaultLookUp.put("o", o); DefaultLookUp.put("ou", ou); DefaultLookUp.put("owner", owner); DefaultLookUp.put("physicaldeliveryofficename", physicalDeliveryOfficeName); DefaultLookUp.put("postaladdress", postalAddress); DefaultLookUp.put("postalcode", postalCode); DefaultLookUp.put("postofficebox", postOfficeBox); DefaultLookUp.put("preferreddeliverymethod", preferredDeliveryMethod); DefaultLookUp.put("registeredaddress", registeredAddress); DefaultLookUp.put("roleoccupant", roleOccupant); DefaultLookUp.put("searchguide", searchGuide); DefaultLookUp.put("seealso", seeAlso); DefaultLookUp.put("serialnumber", serialNumber); DefaultLookUp.put("sn", sn); DefaultLookUp.put("st", st); DefaultLookUp.put("street", street); DefaultLookUp.put("telephonenumber", telephoneNumber); DefaultLookUp.put("teletexterminalidentifier", teletexTerminalIdentifier); DefaultLookUp.put("telexnumber", telexNumber); DefaultLookUp.put("title", title); DefaultLookUp.put("uid", uid); DefaultLookUp.put("uniquemember", uniqueMember); DefaultLookUp.put("userpassword", userPassword); DefaultLookUp.put("x121address", x121Address); DefaultLookUp.put("x500uniqueidentifier", x500UniqueIdentifier); // TODO: need to add correct matching for equality comparisons. } protected RFC4519Style() { } public ASN1Encodable stringToValue(ASN1ObjectIdentifier oid, String value) { if (value.length() != 0 && value.charAt(0) == '#') { try { return IETFUtils.valueFromHexString(value, 1); } catch (IOException e) { throw new RuntimeException("can't recode value for oid " + oid.getId()); } } else { if (value.length() != 0 && value.charAt(0) == '\\') { value = value.substring(1); } if (oid.equals(dc)) { return new DERIA5String(value); } else if (oid.equals(c) || oid.equals(serialNumber) || oid.equals(dnQualifier) || oid.equals(telephoneNumber)) { return new DERPrintableString(value); } } return new DERUTF8String(value); } public ASN1ObjectIdentifier attrNameToOID(String attrName) { return IETFUtils.decodeAttrName(attrName, DefaultLookUp); } public boolean areEqual(X500Name name1, X500Name name2) { RDN[] rdns1 = name1.getRDNs(); RDN[] rdns2 = name2.getRDNs(); if (rdns1.length != rdns2.length) { return false; } boolean reverse = false; if (rdns1[0].getFirst() != null && rdns2[0].getFirst() != null) { reverse = !rdns1[0].getFirst().getType().equals(rdns2[0].getFirst().getType()); // guess forward } for (int i = 0; i != rdns1.length; i++) { if (!foundMatch(reverse, rdns1[i], rdns2)) { return false; } } return true; } private boolean foundMatch(boolean reverse, RDN rdn, RDN[] possRDNs) { if (reverse) { for (int i = possRDNs.length - 1; i >= 0; i--) { if (possRDNs[i] != null && rdnAreEqual(rdn, possRDNs[i])) { possRDNs[i] = null; return true; } } } else { for (int i = 0; i != possRDNs.length; i++) { if (possRDNs[i] != null && rdnAreEqual(rdn, possRDNs[i])) { possRDNs[i] = null; return true; } } } return false; } protected boolean rdnAreEqual(RDN rdn1, RDN rdn2) { if (rdn1.isMultiValued()) { if (rdn2.isMultiValued()) { AttributeTypeAndValue[] atvs1 = rdn1.getTypesAndValues(); AttributeTypeAndValue[] atvs2 = rdn2.getTypesAndValues(); if (atvs1.length != atvs2.length) { return false; } for (int i = 0; i != atvs1.length; i++) { if (!atvAreEqual(atvs1[i], atvs2[i])) { return false; } } } else { return false; } } else { if (!rdn2.isMultiValued()) { return atvAreEqual(rdn1.getFirst(), rdn2.getFirst()); } else { return false; } } return true; } private boolean atvAreEqual(AttributeTypeAndValue atv1, AttributeTypeAndValue atv2) { if (atv1 == atv2) { return true; } if (atv1 == null) { return false; } if (atv2 == null) { return false; } ASN1ObjectIdentifier o1 = atv1.getType(); ASN1ObjectIdentifier o2 = atv2.getType(); if (!o1.equals(o2)) { return false; } String v1 = IETFUtils.canonicalize(IETFUtils.valueToString(atv1.getValue())); String v2 = IETFUtils.canonicalize(IETFUtils.valueToString(atv2.getValue())); if (!v1.equals(v2)) { return false; } return true; } // parse backwards public RDN[] fromString(String dirName) { RDN[] tmp = IETFUtils.rDNsFromString(dirName, this); RDN[] res = new RDN[tmp.length]; for (int i = 0; i != tmp.length; i++) { res[res.length - i - 1] = tmp[i]; } return res; } public int calculateHashCode(X500Name name) { int hashCodeValue = 0; RDN[] rdns = name.getRDNs(); // this needs to be order independent, like equals for (int i = 0; i != rdns.length; i++) { if (rdns[i].isMultiValued()) { AttributeTypeAndValue[] atv = rdns[i].getTypesAndValues(); for (int j = 0; j != atv.length; j++) { hashCodeValue ^= atv[j].getType().hashCode(); hashCodeValue ^= calcHashCode(atv[j].getValue()); } } else { hashCodeValue ^= rdns[i].getFirst().getType().hashCode(); hashCodeValue ^= calcHashCode(rdns[i].getFirst().getValue()); } } return hashCodeValue; } private int calcHashCode(ASN1Encodable enc) { String value = IETFUtils.valueToString(enc); value = IETFUtils.canonicalize(value); return value.hashCode(); } // convert in reverse public String toString(X500Name name) { StringBuffer buf = new StringBuffer(); boolean first = true; RDN[] rdns = name.getRDNs(); for (int i = rdns.length - 1; i >= 0; i--) { if (first) { first = false; } else { buf.append(','); } if (rdns[i].isMultiValued()) { AttributeTypeAndValue[] atv = rdns[i].getTypesAndValues(); boolean firstAtv = true; for (int j = 0; j != atv.length; j++) { if (firstAtv) { firstAtv = false; } else { buf.append('+'); } IETFUtils.appendTypeAndValue(buf, atv[j], DefaultSymbols); } } else { IETFUtils.appendTypeAndValue(buf, rdns[i].getFirst(), DefaultSymbols); } } return buf.toString(); } }