package javax.security.auth.x500;
-import gnu.java.security.x509.X500DistinguishedName;
+import gnu.java.security.OID;
+import gnu.java.security.der.BitString;
+import gnu.java.security.der.DER;
+import gnu.java.security.der.DEREncodingException;
+import gnu.java.security.der.DERReader;
+import gnu.java.security.der.DERValue;
+import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.io.EOFException;
import java.io.NotActiveException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
+import java.io.Reader;
import java.io.Serializable;
+import java.io.StringReader;
+
import java.security.Principal;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+
public final class X500Principal implements Principal, Serializable
{
private static final long serialVersionUID = -500463348111345721L;
// ------------------------------------------------------------------------
public static final String CANONICAL = "CANONICAL";
-
public static final String RFC1779 = "RFC1779";
-
public static final String RFC2253 = "RFC2253";
- private transient X500DistinguishedName name;
+ private static final OID CN = new OID("2.5.4.3");
+ private static final OID C = new OID("2.5.4.6");
+ private static final OID L = new OID("2.5.4.7");
+ private static final OID ST = new OID("2.5.4.8");
+ private static final OID STREET = new OID("2.5.4.9");
+ private static final OID O = new OID("2.5.4.10");
+ private static final OID OU = new OID("2.5.4.11");
+ private static final OID DC = new OID("0.9.2342.19200300.100.1.25");
+ private static final OID UID = new OID("0.9.2342.19200300.100.1.1");
+
+ private transient List components;
+ private transient Map currentRdn;
+ private transient boolean fixed;
+ private transient byte[] encoded;
// Constructors.
// ------------------------------------------------------------------------
- public X500Principal(String name)
+ private X500Principal()
{
- if (name == null)
- throw new NullPointerException();
- this.name = new X500DistinguishedName(name);
+ components = new LinkedList();
+ currentRdn = new LinkedHashMap();
+ components.add (currentRdn);
}
- public X500Principal(byte[] encoded)
+ public X500Principal (String name)
{
+ this();
+ if (name == null)
+ throw new NullPointerException();
try
{
- name = new X500DistinguishedName(encoded);
+ parseString (name);
}
catch (IOException ioe)
{
- throw new IllegalArgumentException(ioe.toString());
+ IllegalArgumentException iae = new IllegalArgumentException("malformed name");
+ iae.initCause (ioe);
+ throw iae;
+ }
}
+
+ public X500Principal (byte[] encoded)
+ {
+ this(new ByteArrayInputStream (encoded));
}
- public X500Principal(InputStream encoded)
+ public X500Principal (InputStream encoded)
{
+ this();
try
{
- name = new X500DistinguishedName(encoded);
+ parseDer (encoded);
}
catch (IOException ioe)
{
- throw new IllegalArgumentException(ioe.toString());
+ throw new IllegalArgumentException (ioe.toString());
}
}
public boolean equals(Object o)
{
- return ((X500Principal) o).name.equals(name);
+ if (!(o instanceof X500Principal))
+ return false;
+ if (size() != ((X500Principal) o).size())
+ return false;
+ for (int i = 0; i < size(); i++)
+ {
+ Map m = (Map) components.get (i);
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it2.next();
+ OID oid = (OID) e.getKey();
+ String v1 = (String) e.getValue();
+ String v2 = ((X500Principal) o).getComponent (oid, i);
+ if (v2 == null)
+ return false;
+ if (!compressWS (v1).equalsIgnoreCase (compressWS (v2)))
+ return false;
+ }
+ }
+ return true;
}
public byte[] getEncoded()
{
- return name.getEncoded();
+ if (encoded == null)
+ encodeDer();
+ return (byte[]) encoded.clone();
}
public String getName()
{
- return getName(RFC2253);
+ return getName (RFC2253);
+ }
+
+ public String getName (final String format)
+ {
+ boolean rfc2253 = RFC2253.equalsIgnoreCase (format) ||
+ CANONICAL.equalsIgnoreCase (format);
+ boolean rfc1779 = RFC1779.equalsIgnoreCase (format);
+ boolean canon = CANONICAL.equalsIgnoreCase (format);
+ if (! (rfc2253 || rfc1779 || canon))
+ throw new IllegalArgumentException ("unsupported format " + format);
+ StringBuffer str = new StringBuffer();
+ for (Iterator it = components.iterator(); it.hasNext(); )
+ {
+ Map m = (Map) it.next();
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry entry = (Map.Entry) it2.next();
+ OID oid = (OID) entry.getKey();
+ String value = (String) entry.getValue();
+ if (oid.equals (CN))
+ str.append ("CN");
+ else if (oid.equals (C))
+ str.append ("C");
+ else if (oid.equals (L))
+ str.append ("L");
+ else if (oid.equals (ST))
+ str.append ("ST");
+ else if (oid.equals (STREET))
+ str.append ("STREET");
+ else if (oid.equals (O))
+ str.append ("O");
+ else if (oid.equals (OU))
+ str.append ("OU");
+ else if (oid.equals (DC) && rfc2253)
+ str.append ("DC");
+ else if (oid.equals ("UID") && rfc2253)
+ str.append ("UID");
+ else
+ str.append (oid.toString());
+ str.append('=');
+ str.append(value);
+ if (it2.hasNext())
+ str.append('+');
+ }
+ if (it.hasNext())
+ str.append(',');
+ }
+ if (canon)
+ return str.toString().toUpperCase (Locale.US).toLowerCase (Locale.US);
+ return str.toString();
}
- public String getName(String format)
+ public String toString()
{
- if (format.equalsIgnoreCase(RFC2253))
- return name.toRFC2253();
- else if (format.equalsIgnoreCase(RFC1779))
- return name.toRFC1779();
- else if (format.equalsIgnoreCase(CANONICAL))
- return name.toCanonical();
- throw new IllegalArgumentException("unsupported format " + format);
+ return getName (RFC2253);
}
// Serialization methods.
// ------------------------------------------------------------------------
- private void writeObject(ObjectOutputStream out) throws IOException
+ private void writeObject (ObjectOutputStream out) throws IOException
{
- out.writeObject(name.getEncoded());
+ if (encoded != null)
+ encodeDer();
+ out.writeObject (encoded);
}
- private void readObject(ObjectInputStream in)
+ private void readObject (ObjectInputStream in)
throws IOException, NotActiveException, ClassNotFoundException
{
byte[] buf = (byte[]) in.readObject();
- name = new X500DistinguishedName(buf);
+ parseDer (new ByteArrayInputStream (buf));
+ }
+
+ // Own methods.
+ // -------------------------------------------------------------------------
+
+ private int size()
+ {
+ return components.size();
+ }
+
+ private String getComponent(OID oid, int rdn)
+ {
+ if (rdn >= size())
+ return null;
+ return (String) ((Map) components.get (rdn)).get (oid);
+ }
+
+ private void encodeDer()
+ {
+ ArrayList name = new ArrayList(components.size());
+ for (Iterator it = components.iterator(); it.hasNext(); )
+ {
+ Map m = (Map) it.next();
+ if (m.isEmpty())
+ continue;
+ Set rdn = new HashSet();
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it.next();
+ ArrayList atav = new ArrayList(2);
+ atav.add(new DERValue(DER.OBJECT_IDENTIFIER, e.getKey()));
+ atav.add(new DERValue(DER.UTF8_STRING, e.getValue()));
+ rdn.add(new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, atav));
+ }
+ name.add(new DERValue(DER.SET|DER.CONSTRUCTED, rdn));
+ }
+ DERValue val = new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, name);
+ encoded = val.getEncoded();
+ }
+
+ private int sep;
+
+ private void parseString(String str) throws IOException
+ {
+ Reader in = new StringReader(str);
+ while (true)
+ {
+ String key = readAttributeType(in);
+ if (key == null)
+ break;
+ String value = readAttributeValue(in);
+ putComponent(key, value);
+ if (sep == ',')
+ newRelativeDistinguishedName();
+ }
+ }
+
+ private String readAttributeType(Reader in) throws IOException
+ {
+ StringBuffer buf = new StringBuffer();
+ int ch;
+ while ((ch = in.read()) != '=')
+ {
+ if (ch == -1)
+ {
+ if (buf.length() > 0)
+ throw new EOFException();
+ return null;
+ }
+ if (ch > 127)
+ throw new IOException("Invalid char: " + (char) ch);
+ if (Character.isLetterOrDigit((char) ch) || ch == '-' || ch == '.')
+ buf.append((char) ch);
+ else
+ throw new IOException("Invalid char: " + (char) ch);
+ }
+ return buf.toString();
+ }
+
+ private String readAttributeValue(Reader in) throws IOException
+ {
+ StringBuffer buf = new StringBuffer();
+ int ch = in.read();
+ if (ch == '#')
+ {
+ while (true)
+ {
+ ch = in.read();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ buf.append((char) ch);
+ else if (ch == '+' || ch == ',')
+ {
+ sep = ch;
+ String hex = buf.toString();
+ return new String(toByteArray(hex));
+ }
+ else
+ throw new IOException("illegal character: " + (char) ch);
+ }
+ }
+ else if (ch == '"')
+ {
+ while (true)
+ {
+ ch = in.read();
+ if (ch == '"')
+ break;
+ else if (ch == '\\')
+ {
+ ch = in.read();
+ if (ch == -1)
+ throw new EOFException();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ {
+ int i = Character.digit((char) ch, 16) << 4;
+ ch = in.read();
+ if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch)))
+ throw new IOException("illegal hex char");
+ i |= Character.digit((char) ch, 16);
+ buf.append((char) i);
+ }
+ else
+ buf.append((char) ch);
+ }
+ else
+ buf.append((char) ch);
+ }
+ sep = in.read();
+ if (sep != '+' || sep != ',')
+ throw new IOException("illegal character: " + (char) ch);
+ return buf.toString();
+ }
+ else
+ {
+ while (true)
+ {
+ switch (ch)
+ {
+ case '+':
+ case ',':
+ sep = ch;
+ return buf.toString();
+ case '\\':
+ ch = in.read();
+ if (ch == -1)
+ throw new EOFException();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ {
+ int i = Character.digit((char) ch, 16) << 4;
+ ch = in.read();
+ if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch)))
+ throw new IOException("illegal hex char");
+ i |= Character.digit((char) ch, 16);
+ buf.append((char) i);
+ }
+ else
+ buf.append((char) ch);
+ break;
+ case '=':
+ case '<':
+ case '>':
+ case '#':
+ case ';':
+ throw new IOException("illegal character: " + (char) ch);
+ case -1:
+ throw new EOFException();
+ default:
+ buf.append((char) ch);
+ }
+ }
+ }
+ }
+
+ private void parseDer (InputStream encoded) throws IOException
+ {
+ DERReader der = new DERReader (encoded);
+ DERValue name = der.read();
+ if (!name.isConstructed())
+ throw new IOException ("malformed Name");
+ this.encoded = name.getEncoded();
+ int len = 0;
+ while (len < name.getLength())
+ {
+ DERValue rdn = der.read();
+ if (!rdn.isConstructed())
+ throw new IOException ("badly formed RDNSequence");
+ int len2 = 0;
+ while (len2 < rdn.getLength())
+ {
+ DERValue atav = der.read();
+ if (!atav.isConstructed())
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ DERValue val = der.read();
+ if (val.getTag() != DER.OBJECT_IDENTIFIER)
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ OID oid = (OID) val.getValue();
+ val = der.read();
+ if (!(val.getValue() instanceof String))
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ String value = (String) val.getValue();
+ putComponent(oid, value);
+ len2 += atav.getEncodedLength();
+ }
+ len += rdn.getEncodedLength();
+ if (len < name.getLength())
+ newRelativeDistinguishedName();
+ }
+ }
+
+ private void newRelativeDistinguishedName()
+ {
+ currentRdn = new LinkedHashMap();
+ components.add(currentRdn);
+ }
+
+ private void putComponent(OID oid, String value)
+ {
+ currentRdn.put(oid, value);
+ }
+
+ private void putComponent(String name, String value)
+ {
+ name = name.trim().toLowerCase();
+ if (name.equals("cn"))
+ putComponent(CN, value);
+ else if (name.equals("c"))
+ putComponent(C, value);
+ else if (name.equals("l"))
+ putComponent(L, value);
+ else if (name.equals("street"))
+ putComponent(STREET, value);
+ else if (name.equals("st"))
+ putComponent(ST, value);
+ else if (name.equals("dc"))
+ putComponent(DC, value);
+ else if (name.equals("uid"))
+ putComponent(UID, value);
+ else
+ putComponent(new OID(name), value);
+ }
+
+ private static String compressWS(String str)
+ {
+ StringBuffer buf = new StringBuffer();
+ char lastChar = 0;
+ for (int i = 0; i < str.length(); i++)
+ {
+ char c = str.charAt(i);
+ if (Character.isWhitespace(c))
+ {
+ if (!Character.isWhitespace(lastChar))
+ buf.append(' ');
+ }
+ else
+ buf.append(c);
+ lastChar = c;
+ }
+ return buf.toString().trim();
+ }
+
+ private static byte[] toByteArray (String str)
+ {
+ int limit = str.length();
+ byte[] result = new byte[((limit + 1) / 2)];
+ int i = 0, j = 0;
+ if ((limit % 2) == 1)
+ {
+ result[j++] = (byte) Character.digit (str.charAt(i++), 16);
+ }
+ while (i < limit)
+ {
+ result[j ] = (byte) (Character.digit (str.charAt(i++), 16) << 4);
+ result[j++] |= (byte) Character.digit (str.charAt(i++), 16);
+ }
+ return result;
}
}
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