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140 lines
3.3 KiB
140 lines
3.3 KiB
/*
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* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package com.sun.security.auth;
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import java.security.Principal;
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import javax.naming.InvalidNameException;
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import javax.naming.ldap.LdapName;
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/**
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* A principal identified by a distinguished name as specified by
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* <a href="http://www.ietf.org/rfc/rfc2253.txt">RFC 2253</a>.
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*
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* <p>
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* After successful authentication, a user {@link java.security.Principal}
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* can be associated with a particular {@link javax.security.auth.Subject}
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* to augment that <code>Subject</code> with an additional identity.
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* Authorization decisions can then be based upon the
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* <code>Principal</code>s that are associated with a <code>Subject</code>.
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*
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* <p>
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* This class is immutable.
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*
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* @since 1.6
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*/
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@jdk.Exported
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public final class LdapPrincipal implements Principal, java.io.Serializable {
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private static final long serialVersionUID = 6820120005580754861L;
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/**
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* The principal's string name
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*
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* @serial
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*/
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private final String nameString;
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/**
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* The principal's name
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*
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* @serial
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*/
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private final LdapName name;
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/**
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* Creates an LDAP principal.
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*
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* @param name The principal's string distinguished name.
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* @throws InvalidNameException If a syntax violation is detected.
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* @exception NullPointerException If the <code>name</code> is
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* <code>null</code>.
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*/
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public LdapPrincipal(String name) throws InvalidNameException {
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if (name == null) {
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throw new NullPointerException("null name is illegal");
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}
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this.name = getLdapName(name);
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nameString = name;
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}
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/**
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* Compares this principal to the specified object.
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*
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* @param object The object to compare this principal against.
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* @return true if they are equal; false otherwise.
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*/
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public boolean equals(Object object) {
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if (this == object) {
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return true;
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}
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if (object instanceof LdapPrincipal) {
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try {
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return
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name.equals(getLdapName(((LdapPrincipal)object).getName()));
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} catch (InvalidNameException e) {
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return false;
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}
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}
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return false;
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}
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/**
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* Computes the hash code for this principal.
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*
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* @return The principal's hash code.
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*/
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public int hashCode() {
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return name.hashCode();
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}
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/**
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* Returns the name originally used to create this principal.
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*
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* @return The principal's string name.
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*/
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public String getName() {
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return nameString;
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}
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/**
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* Creates a string representation of this principal's name in the format
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* defined by <a href="http://www.ietf.org/rfc/rfc2253.txt">RFC 2253</a>.
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* If the name has zero components an empty string is returned.
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*
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* @return The principal's string name.
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*/
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public String toString() {
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return name.toString();
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}
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// Create an LdapName object from a string distinguished name.
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private LdapName getLdapName(String name) throws InvalidNameException {
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return new LdapName(name);
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}
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}
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