Function objectPutCopyPart

lib/api/objectPutCopyPart.js:38–507

* PUT Part Copy during a multipart upload. * @param {AuthInfo} authInfo - Instance of AuthInfo class with * requester's info * @param {request} request - request object given by router, * includes normalized headers * @param {string} sourceBucket - name of source buck

(authInfo, request, sourceBucket,
    sourceObject, reqVersionId, log, callback)

 * @return {undefined}
 */
function objectPutCopyPart(authInfo, request, sourceBucket,
    sourceObject, reqVersionId, log, callback) {
    log.debug('processing request', { method: 'objectPutCopyPart' });
    const destBucketName = request.bucketName;
    const destObjectKey = request.objectKey;
    const mpuBucketName = `${constants.mpuBucketPrefix}${destBucketName}`;
    const valGetParams = {
        authInfo,
        bucketName: sourceBucket,
        objectKey: sourceObject,
        versionId: reqVersionId,
        getDeleteMarker: true,
        requestType: 'objectGet',
        /**
         * Authorization will first check the target object, with an objectPut
         * action. But in this context, the source object metadata is still
         * unknown. In the context of quotas, to know the number of bytes that
         * are being written, we explicitly enable the quota evaluation logic
         * during the objectGet action instead.
         */
        checkQuota: true,
        request,
    };

    const partNumber = Number.parseInt(request.query.partNumber, 10);
    // AWS caps partNumbers at 10,000
    if (partNumber > 10000 || !Number.isInteger(partNumber) || partNumber < 1) {
        monitoring.promMetrics('PUT', destBucketName, 400,
            'putObjectCopyPart');
        return callback(errors.InvalidArgument);
    }
    // We pad the partNumbers so that the parts will be sorted
    // in numerical order
    const paddedPartNumber = `000000${partNumber}`.substr(-5);
    // Note that keys in the query object retain their case, so
    // request.query.uploadId must be called with that exact
    // capitalization
    const { query: { uploadId } } = request;

    const valPutParams = {
        authInfo,
        bucketName: destBucketName,
        objectKey: destObjectKey,
        requestType: 'objectPutPart',
        checkQuota: false,
        request,
    };

    // For validating the request at the MPU, the params are the same
    // as validating for the destination bucket except additionally need
    // the uploadId and splitter.
    // Also, requestType is 'putPart or complete'
    const valMPUParams = Object.assign({
        uploadId,
        splitter: constants.splitter,
    }, valPutParams);
    valMPUParams.requestType = 'putPart or complete';