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/*******************************************************************************
* Copyright (c) 2011 SAP AG
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Lazar Kirchev, SAP AG - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.console.jaas;
import java.security.Principal;
import java.util.HashSet;
import java.util.Set;
/**
* This class represents a user with password and roles
*
*/
public class UserPrincipal implements Principal {
private String username;
private char[] password;
private Set<RolePrincipal> rolePrincipals = new HashSet<RolePrincipal>();
public UserPrincipal(String username, String password) {
this.username = username;
this.password = new char[password.length()];
System.arraycopy(password.toCharArray(), 0, this.password, 0, this.password.length);
}
public String getName() {
return username;
}
public boolean authenticate(char[] password) {
if (password == null) {
return false;
}
if (this.password == null) {
return false;
}
if (this.password.length != password.length) {
return false;
}
for(int i = 0; i < this.password.length; i++) {
if(this.password[i] != password[i]) {
return false;
}
}
return true;
}
public Set<RolePrincipal> getRoles() {
return rolePrincipals;
}
public synchronized void addRole(RolePrincipal rolePrincipal) {
rolePrincipals.add(rolePrincipal);
}
public boolean equals(Object userPrincipal) {
if (userPrincipal == null) {
return false;
}
if (this == userPrincipal) {
return true;
}
if (! (userPrincipal instanceof UserPrincipal)) {
return false;
}
UserPrincipal otherUser = (UserPrincipal) userPrincipal;
if (username != null) {
if (!username.equals(otherUser.username)) {
return false;
}
} else {
if (otherUser.username != null) {
return false;
}
}
if (password != null) {
if (otherUser.password == null) {
return false;
}
if (password.length != otherUser.password.length) {
return false;
}
for(int i = 0; i < password.length; i++) {
if (password[i] != otherUser.password[i]) {
return false;
}
}
} else {
if (otherUser.username != null) {
return false;
}
}
if (rolePrincipals != null) {
if (!(rolePrincipals.equals(otherUser.rolePrincipals))) {
return false;
}
} else {
if (otherUser.rolePrincipals != null) {
return false;
}
}
return true;
}
public void destroy() {
for(int i = 0; i < password.length; i++) {
password[i] = ' ';
}
password = null;
}
@Override
public int hashCode() {
int result = 1;
result = 73 * result + (username == null ? 0 : username.hashCode());
result = 73 * result + (password == null ? 0 : new String(password).hashCode());
result = 73 * result + (rolePrincipals == null ? 0 : rolePrincipals.hashCode());
return result;
}
}
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