Example usage for com.amazonaws.services.s3.internal ServiceUtils formatRfc822Date

Introduction

In this page you can find the example usage for com.amazonaws.services.s3.internal ServiceUtils formatRfc822Date.

Prototype

public static String formatRfc822Date(Date date) 

Source Link

Usage

From source file:com.emc.vipr.services.s3.ViPRS3Signer.java

License:Open Source License

@Override
public void sign(Request<?> request, AWSCredentials credentials) throws AmazonClientException {
    if (credentials == null || credentials.getAWSSecretKey() == null) {
        log.debug("Canonical string will not be signed, as no AWS Secret Key was provided");
        return;//from  w ww  . ja  v a2 s.c  om
    }

    AWSCredentials sanitizedCredentials = sanitizeCredentials(credentials);
    if (sanitizedCredentials instanceof AWSSessionCredentials) {
        addSessionCredentials(request, (AWSSessionCredentials) sanitizedCredentials);
    }

    /*
     * In s3 sigv2, the way slash characters are encoded should be
     * consistent in both the request url and the encoded resource path.
     * Since we have to encode "//" to "/%2F" in the request url to make
     * httpclient works, we need to do the same encoding here for the
     * resource path.
     */
    String encodedResourcePath = HttpUtils.appendUri(request.getEndpoint().getPath(), resourcePath, true);

    Date date = getSignatureDate(request.getTimeOffset());
    request.addHeader(Headers.DATE, ServiceUtils.formatRfc822Date(date));
    String canonicalString = makeS3CanonicalString(httpVerb, encodedResourcePath, request, null);
    log.debug("Calculated string to sign:\n\"" + canonicalString + "\"");

    String signature = super.signAndBase64Encode(canonicalString, sanitizedCredentials.getAWSSecretKey(),
            SigningAlgorithm.HmacSHA1);
    request.addHeader("Authorization", "AWS " + sanitizedCredentials.getAWSAccessKeyId() + ":" + signature);
}

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