org.nuxeo.liveconnect.importer.aws.LiveconnectS3Blobprovider.java Source code

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/*
 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     Michael Vachette
 */

package org.nuxeo.liveconnect.importer.aws;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.S3Object;
import org.nuxeo.ecm.core.blob.ManagedBlob;
import org.nuxeo.ecm.core.blob.SimpleManagedBlob;
import org.nuxeo.ecm.liveconnect.core.AbstractLiveConnectBlobProvider;
import org.nuxeo.ecm.liveconnect.core.LiveConnectFile;
import org.nuxeo.ecm.liveconnect.core.LiveConnectFileInfo;
import org.nuxeo.ecm.platform.oauth2.providers.NuxeoOAuth2ServiceProvider;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;

public class LiveconnectS3Blobprovider extends AbstractLiveConnectBlobProvider<NuxeoOAuth2ServiceProvider> {

    private static final String ONEDRIVE_DOCUMENT_TO_BE_UPDATED_PP = "onedrive_document_to_be_updated";

    public static final String BUCKET_NAME_PROPERTY = "bucket";

    public static final String BUCKET_REGION_PROPERTY = "region";

    public static final String AWS_ID_PROPERTY = "awsid";

    public static final String AWS_SECRET_PROPERTY = "awssecret";

    String bucketName;

    AmazonS3 amazonS3;

    public AmazonS3 getClient() {
        return amazonS3;
    }

    public String getBucketName() {
        return bucketName;
    }

    @Override
    public void initialize(String blobProviderId, Map<String, String> properties) throws IOException {
        super.initialize(blobProviderId, properties);
        bucketName = properties.get(BUCKET_NAME_PROPERTY);
        String bucketRegion = properties.get(BUCKET_REGION_PROPERTY);
        String awsID = properties.get(AWS_ID_PROPERTY);
        String awsSecret = properties.get(AWS_SECRET_PROPERTY);
        amazonS3 = new AmazonS3Client(new BasicAWSCredentials(awsID, awsSecret), new ClientConfiguration());
        amazonS3.setRegion(Region.getRegion(Regions.fromName(bucketRegion)));
    }

    @Override
    protected String getCacheName() {
        return "s3live";
    }

    @Override
    public InputStream getStream(ManagedBlob blob) throws IOException {
        LiveConnectFileInfo fileInfo = toFileInfo(blob);
        GetObjectRequest request = new GetObjectRequest(bucketName, fileInfo.getFileId());
        S3Object object = amazonS3.getObject(request);
        return object.getObjectContent();
    }

    @Override
    protected String getPageProviderNameForUpdate() {
        return ONEDRIVE_DOCUMENT_TO_BE_UPDATED_PP;
    }

    @Override
    public SimpleManagedBlob toBlob(LiveConnectFileInfo fileInfo) throws IOException {
        LiveConnectFile file = retrieveFile(fileInfo);
        return toBlob(file);
    }

    @Override
    protected LiveConnectFile retrieveFile(LiveConnectFileInfo fileInfo) throws IOException {
        // First, invalidate the Drive file cache in order to force call to API
        invalidateInCache("file_" + fileInfo.getFileId());
        GetObjectRequest request = new GetObjectRequest(bucketName, fileInfo.getFileId());
        S3Object object = amazonS3.getObject(request);
        return new S3LiveConnectFile(fileInfo, object);
    }

}