com.ibm.og.s3.v2.AWSV2Auth.java Source code

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Here is the source code for com.ibm.og.s3.v2.AWSV2Auth.java

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/* Copyright (c) IBM Corporation 2016. All Rights Reserved.
 * Project name: Object Generator
 * This project is licensed under the Apache License 2.0, see LICENSE.
 */

package com.ibm.og.s3.v2;

import static com.google.common.base.Preconditions.checkNotNull;

import com.ibm.og.http.AuthenticatedHttpRequest;
import com.ibm.og.http.HttpAuth;
import com.ibm.og.s3.v4.SignableRequestAdapter;
import com.ibm.og.util.Context;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.amazonaws.SignableRequest;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.internal.S3Signer;
import com.ibm.og.api.AuthenticatedRequest;
import com.ibm.og.api.Request;

/**
 * An http auth implementation which authenticates using the aws v2 algorithm
 * 
 * @since 1.0
 */
public class AWSV2Auth implements HttpAuth {
    private static Logger _logger = LoggerFactory.getLogger(AWSV2Auth.class);

    public AWSV2Auth() {
    }

    @Override
    public AuthenticatedRequest authenticate(final Request request) {
        checkNotNull(request);
        final String accessKeyId = checkNotNull(request.getContext().get(Context.X_OG_USERNAME));
        final String secretAccessKey = checkNotNull(request.getContext().get(Context.X_OG_PASSWORD));
        final AWSCredentials credentials = new BasicAWSCredentials(accessKeyId, secretAccessKey);

        final AuthenticatedHttpRequest authenticatedRequest = new AuthenticatedHttpRequest(request);
        final SignableRequest<Request> signableRequest = new SignableRequestAdapter(authenticatedRequest);

        final S3Signer signer = new S3Signer(signableRequest.getHttpMethod().toString(),
                signableRequest.getResourcePath());

        signer.sign(signableRequest, credentials);

        return authenticatedRequest;
    }

    @Override
    public String toString() {
        return "AWSV2Auth []";
    }
}