com.eucalyptus.auth.policy.key.TokenIssueTime.java Source code

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Here is the source code for com.eucalyptus.auth.policy.key.TokenIssueTime.java

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/*************************************************************************
 * (c) Copyright 2016 Hewlett Packard Enterprise Development Company LP
 *
 * 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/.
 ************************************************************************/
package com.eucalyptus.auth.policy.key;

import static com.eucalyptus.auth.policy.key.Key.EvaluationConstraint.ReceivingHost;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import javax.security.auth.Subject;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.auth.principal.AccessKeyCredential;
import com.eucalyptus.auth.policy.condition.ConditionOp;
import com.eucalyptus.auth.policy.condition.DateConditionOp;
import com.eucalyptus.auth.principal.AccessKey;
import com.eucalyptus.context.Context;
import com.eucalyptus.context.Contexts;
import com.eucalyptus.context.IllegalContextAccessException;
import com.google.common.collect.Iterables;
import net.sf.json.JSONException;

/**
 *
 */
@PolicyKey(value = Keys.AWS_TOKEN_ISSUETIME, evaluationConstraints = ReceivingHost)
public class TokenIssueTime implements AwsKey {
    static final String KEY = Keys.AWS_TOKEN_ISSUETIME;

    @Override
    public String value() throws AuthException {
        try {
            // Token issue time is available via the access key create date for
            // temporary credentials
            final Context context = Contexts.lookup();
            final Subject subject = context.getSubject();
            final List<AccessKey> keys = context.getUser().getKeys();
            final Set<AccessKeyCredential> accessKeyCredentials = subject == null ? Collections.emptySet()
                    : subject.getPublicCredentials(AccessKeyCredential.class);
            if (accessKeyCredentials.size() == 1 && Iterables.get(accessKeyCredentials, 0).getType().isDefined()
                    && keys.size() == 1) {
                return Iso8601DateParser.toString(keys.get(0).getCreateDate());
            }
        } catch (final IllegalContextAccessException e) {
            // so null
        }
        return null;
    }

    @Override
    public void validateConditionType(final Class<? extends ConditionOp> conditionClass) throws JSONException {
        if (!DateConditionOp.class.isAssignableFrom(conditionClass)) {
            throw new JSONException(KEY + " is not allowed in condition " + conditionClass.getName()
                    + ". Date conditions are required.");
        }
    }

    @Override
    public void validateValueType(final String value) throws JSONException {
        KeyUtils.validateDateValue(value, KEY);
    }
}