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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.server.internal;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.eclipse.osee.framework.core.data.IOseeUserInfo;
import org.eclipse.osee.framework.core.data.OseeCredential;
import org.eclipse.osee.framework.core.data.SystemUser;
import org.eclipse.osee.framework.core.exception.OseeAuthenticationException;
import org.eclipse.osee.framework.core.server.IAuthenticationManager;
import org.eclipse.osee.framework.core.server.IAuthenticationProvider;
/**
* @author Roberto E. Escobar
*/
public class AuthenticationManager implements IAuthenticationManager {
private final Map<String, IAuthenticationProvider> authenticationProviders;
public AuthenticationManager() {
this.authenticationProviders = Collections.synchronizedMap(new HashMap<String, IAuthenticationProvider>());
}
@Override
public void addAuthenticationProvider(IAuthenticationProvider authenticationProvider) {
synchronized (authenticationProviders) {
final String providerId = authenticationProvider.getProtocol();
if (!authenticationProviders.containsKey(providerId)) {
authenticationProviders.put(providerId, authenticationProvider);
}
}
}
@Override
public boolean authenticate(OseeCredential credential) throws OseeAuthenticationException {
if (isSafeUser(credential)) {
return true;
} else {
IAuthenticationProvider provider = authenticationProviders.get(credential.getAuthenticationProtocol());
if (provider != null) {
return provider.authenticate(credential);
}
}
throw new OseeAuthenticationException(String.format("Invalid protocol [%s]",
credential.getAuthenticationProtocol()));
}
@Override
public void removeAuthenticationProvider(IAuthenticationProvider authenticationProvider) {
synchronized (authenticationProviders) {
authenticationProviders.remove(authenticationProvider);
}
}
@Override
public String[] getProtocols() {
Set<String> keys = authenticationProviders.keySet();
return keys.toArray(new String[keys.size()]);
}
@Override
public IOseeUserInfo asOseeUser(OseeCredential credential) throws OseeAuthenticationException {
if (isGuestLogin(credential)) {
return SystemUser.Guest;
} else if (isBootStrap(credential)) {
return SystemUser.BootStrap;
} else {
IAuthenticationProvider provider = authenticationProviders.get(credential.getAuthenticationProtocol());
if (provider != null) {
return provider.asOseeUserId(credential);
}
}
throw new OseeAuthenticationException(String.format("Invalid protocol [%s]",
credential.getAuthenticationProtocol()));
}
private boolean isGuestLogin(OseeCredential credential) {
return credential.getUserName().equals(SystemUser.Guest.getName());
}
private boolean isBootStrap(OseeCredential credential) {
return credential.getUserName().equals(SystemUser.BootStrap.getName());
}
private boolean isSafeUser(OseeCredential credential) {
return isGuestLogin(credential) || isBootStrap(credential);
}
}
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