com.eucalyptus.auth.AccessKeys.java Source code

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Here is the source code for com.eucalyptus.auth.AccessKeys.java

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/*************************************************************************
 * Copyright 2009-2013 Eucalyptus Systems, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 ************************************************************************/
package com.eucalyptus.auth;

import static com.eucalyptus.auth.principal.TemporaryAccessKey.TemporaryKeyType;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.eucalyptus.auth.principal.AccessKey;
import com.eucalyptus.auth.principal.TemporaryAccessKey;
import com.eucalyptus.auth.tokens.SecurityTokenManager;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;

/**
 *
 */
public class AccessKeys {

    /**
     * Lookup an ephemeral or persistent access key.
     *
     * @param accessKeyId Required access key identifier
     * @param securityToken Optional security token
     * @return The access key
     * @throws AuthException If an error occurs
     */
    public static AccessKey lookupAccessKey(@Nonnull final String accessKeyId, @Nullable final String securityToken)
            throws AuthException {
        return securityToken == null ? Accounts.lookupAccessKeyById(accessKeyId)
                : SecurityTokenManager.lookupAccessKey(accessKeyId, securityToken);
    }

    /**
     * Predicate for active access keys.
     *
     * @return The predicate
     * @see com.eucalyptus.auth.principal.AccessKey#isActive()
     */
    public static Predicate<AccessKey> isActive() {
        return IS_ACTIVE.INSTANCE;
    }

    /**
     * Get the type for an access key.
     *
     * @param key The key to get the type of
     * @return The optional key type
     */
    @Nonnull
    public static Optional<TemporaryKeyType> getKeyType(@Nonnull final AccessKey key) {
        Optional<TemporaryKeyType> type = Optional.absent();
        if (key instanceof TemporaryAccessKey) {
            type = Optional.of(((TemporaryAccessKey) key).getType());
        }
        return type;
    }

    private static enum IS_ACTIVE implements Predicate<AccessKey> {
        INSTANCE;

        @Override
        public boolean apply(final AccessKey accessKey) {
            return Boolean.TRUE.equals(accessKey.isActive());
        }
    }

}