com.eucalyptus.portal.BucketUploadableActivities.java Source code

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Here is the source code for com.eucalyptus.portal.BucketUploadableActivities.java

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/*************************************************************************
 * (c) Copyright 2017 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.portal;

import com.amazonaws.AmazonServiceException;
import com.amazonaws.SdkClientException;
import com.amazonaws.services.s3.model.CannedAccessControlList;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.eucalyptus.auth.Accounts;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.auth.principal.AccountFullName;
import com.eucalyptus.auth.principal.AccountIdentifiers;
import com.eucalyptus.auth.principal.Role;
import com.eucalyptus.auth.principal.User;
import com.eucalyptus.auth.tokens.SecurityTokenAWSCredentialsProvider;
import com.eucalyptus.objectstorage.client.EucaS3Client;
import com.eucalyptus.objectstorage.client.EucaS3ClientFactory;
import com.eucalyptus.portal.persist.PersistenceBillingInfos;
import org.apache.log4j.Logger;

import java.io.InputStream;
import java.util.Optional;

public abstract class BucketUploadableActivities {
    private static Logger LOG = Logger.getLogger(BucketUploadableActivities.class);
    private final BillingInfos billingInfos;

    protected BucketUploadableActivities() {
        this.billingInfos = new PersistenceBillingInfos();
    }

    public static EucaS3Client getS3Client() throws AuthException {
        try {
            final Role billingRole = Accounts.lookupRoleByName(
                    Accounts.lookupAccountIdByAlias(AccountIdentifiers.BILLING_SYSTEM_ACCOUNT),
                    "BillingServiceWorkflow");
            final SecurityTokenAWSCredentialsProvider roleCredentialProvider = SecurityTokenAWSCredentialsProvider
                    .forUserOrRole(Accounts.lookupPrincipalByRoleId(billingRole.getRoleId()));
            return EucaS3ClientFactory.getEucaS3Client(roleCredentialProvider);
        } catch (AuthException ex) {
            LOG.error("Failed to obtain credentials for billing", ex);
        } catch (Exception ex) {
            LOG.error("Failed to obtain credentials for billing", ex);
        }
        return null;
    }

    protected boolean upload(final String accountId, final String keyName, InputStream contents)
            throws S3UploadException {
        Optional<String> bucketName;
        try {
            bucketName = this.billingInfos.lookupByAccount(accountId, AccountFullName.getInstance(accountId),
                    (info) -> info.getBillingReportsBucket() != null ? Optional.of(info.getBillingReportsBucket())
                            : Optional.empty());
        } catch (final Exception ex) {
            throw new S3UploadException("Failed to lookup user's bucket setting");
        }
        if (bucketName.isPresent()) {
            try {
                final EucaS3Client s3c = getS3Client();
                // this will throw error if bucket policy does not allow billing writing into the bucket
                if (s3c != null) {
                    final PutObjectRequest req = new PutObjectRequest(bucketName.get(), keyName, contents,
                            new ObjectMetadata()).withCannedAcl(CannedAccessControlList.BucketOwnerFullControl);
                    s3c.putObject(req);
                    return true;
                }
            } catch (final AmazonServiceException ex) {
                throw new S3UploadException("Failed to upload due to S3 service error: " + ex.getErrorCode());
            } catch (final SdkClientException ex) {
                throw new S3UploadException("Failed to upload due to S3 client error", ex);
            } catch (final Exception ex) {
                throw new S3UploadException("Failed to upload report to bucket", ex);
            }
        }
        return false;
    }
}