Examples with DataGetObject com.pspace.ifs.ksan.gw.data.DataGetObject used on opensource projects

Example 1 with DataGetObject

use of com.pspace.ifs.ksan.gw.data.DataGetObject in project ksan by infinistor.

the class GetObject method process.

@Override
public void process() throws GWException {
    logger.info(GWConstants.LOG_GET_OBJECT_START);
    String bucket = s3Parameter.getBucketName();
    initBucketInfo(bucket);
    String object = s3Parameter.getObjectName();
    logger.debug(GWConstants.LOG_BUCKET_OBJECT, bucket, object);
    S3Bucket s3Bucket = new S3Bucket();
    s3Bucket.setCors(getBucketInfo().getCors());
    s3Bucket.setAccess(getBucketInfo().getAccess());
    s3Parameter.setBucket(s3Bucket);
    GWUtils.checkCors(s3Parameter);
    if (s3Parameter.isPublicAccess() && GWUtils.isIgnorePublicAcls(s3Parameter)) {
        throw new GWException(GWErrorCode.ACCESS_DENIED, s3Parameter);
    }
    DataGetObject dataGetObject = new DataGetObject(s3Parameter);
    dataGetObject.extract();
    String versionId = dataGetObject.getVersionId();
    String range = dataGetObject.getRange();
    String ifMatch = dataGetObject.getIfMatch();
    String ifNoneMatch = dataGetObject.getIfNoneMatch();
    String ifModifiedSince = dataGetObject.getIfModifiedSince();
    String ifUnmodifiedSince = dataGetObject.getIfUnmodifiedSince();
    String versioningStatus = getBucketVersioning(bucket);
    Metadata objMeta = null;
    if (Strings.isNullOrEmpty(versionId)) {
        objMeta = open(bucket, object);
        versionId = objMeta.getVersionId();
    } else {
        objMeta = open(bucket, object, versionId);
    }
    logger.debug(GWConstants.LOG_OBJECT_META, objMeta.toString());
    objMeta.setAcl(GWUtils.makeOriginalXml(objMeta.getAcl(), s3Parameter));
    checkGrantObject(s3Parameter.isPublicAccess(), objMeta, String.valueOf(s3Parameter.getUser().getUserId()), GWConstants.GRANT_READ);
    S3Metadata s3Metadata = null;
    // meta info
    ObjectMapper objectMapper = new ObjectMapper();
    try {
        logger.debug(GWConstants.LOG_META, objMeta.getMeta());
        s3Metadata = objectMapper.readValue(objMeta.getMeta(), S3Metadata.class);
    } catch (JsonProcessingException e) {
        PrintStack.logging(logger, e);
        throw new GWException(GWErrorCode.SERVER_ERROR, s3Parameter);
    }
    // check customer-key
    if (!Strings.isNullOrEmpty(s3Metadata.getCustomerKey())) {
        if (!Strings.isNullOrEmpty(dataGetObject.getServerSideEncryptionCustomerKey())) {
            if (!s3Metadata.getCustomerKey().equals(dataGetObject.getServerSideEncryptionCustomerKey())) {
                logger.warn(GWConstants.LOG_GET_OBJECT_CUSTOMER_KEY_NO_MATCH);
                throw new GWException(GWErrorCode.KEY_DOES_NOT_MATCH, s3Parameter);
            }
        } else {
            logger.warn(GWConstants.ENCRYPTION_CUSTOMER_KEY_IS_NULL);
            throw new GWException(GWErrorCode.BAD_REQUEST, s3Parameter);
        }
    }
    // Check match
    if (!Strings.isNullOrEmpty(ifMatch)) {
        logger.debug(GWConstants.LOG_GET_OBJECT_IF_MATCH_ETAG, s3Metadata.getETag(), ifMatch.replace(GWConstants.DOUBLE_QUOTE, ""));
        if (!s3Metadata.getETag().equals(ifMatch.replace(GWConstants.DOUBLE_QUOTE, ""))) {
            logger.error(GWConstants.LOG_GET_OBJECT_ETAG_DIFFERENT);
            throw new GWException(GWErrorCode.PRECONDITION_FAILED, s3Parameter);
        }
    }
    if (!Strings.isNullOrEmpty(ifNoneMatch)) {
        logger.debug(GWConstants.LOG_GET_OBJECT_IF_NONE_MATCH_ETAG, s3Metadata.getETag(), ifNoneMatch.replace(GWConstants.DOUBLE_QUOTE, ""));
        if (s3Metadata.getETag().equals(ifNoneMatch.replace(GWConstants.DOUBLE_QUOTE, ""))) {
            logger.error(GWConstants.LOG_GET_OBJECT_ETAG_SAME);
            throw new GWException(GWErrorCode.DOES_NOT_MATCH, String.format(GWConstants.LOG_ETAG_IS_MISMATCH), s3Parameter);
        }
    }
    if (!Strings.isNullOrEmpty(ifModifiedSince)) {
        Date modifiedSince = new Date(ifModifiedSince);
        if (s3Metadata.getLastModified().before(modifiedSince)) {
            throw new GWException(GWErrorCode.DOES_NOT_MATCH, String.format(GWConstants.LOG_MATCH_BEFORE, s3Metadata.getLastModified(), modifiedSince), s3Parameter);
        }
    }
    if (!Strings.isNullOrEmpty(ifUnmodifiedSince)) {
        Date unmodifiedSince = new Date(ifUnmodifiedSince);
        if (s3Metadata.getLastModified().after(unmodifiedSince)) {
            throw new GWException(GWErrorCode.PRECONDITION_FAILED, String.format(GWConstants.LOG_MATCH_AFTER, s3Metadata.getLastModified(), unmodifiedSince), s3Parameter);
        }
    }
    ResultRange resultRange = new ResultRange(range, s3Metadata, s3Parameter);
    addMetadataToResponse(s3Parameter.getResponse(), s3Metadata, resultRange.getContentLengthHeaders(), resultRange.getStreamSize());
    S3ObjectOperation objectOperation = new S3ObjectOperation(objMeta, s3Metadata, s3Parameter, versionId, null);
    try {
        objectOperation.getObject(resultRange.getS3Range());
    } catch (Exception e) {
        PrintStack.logging(logger, e);
        throw new GWException(GWErrorCode.SERVER_ERROR, s3Parameter);
    }
    s3Parameter.getResponse().setStatus(resultRange.getStatus());
}