Function checkEntryCRC32

Picviewer CE+/dist.user.js:1349–1364

* Check the CRC32 of an entry. * @param {ZipEntry} zipEntry the zip entry to check. * @return {Promise} the result.

(zipEntry)

 * @return {Promise} the result.
 */
function checkEntryCRC32(zipEntry) {
    return new external.Promise(function (resolve, reject) {
        var worker = zipEntry.decompressed.getContentWorker().pipe(new Crc32Probe());
        worker.on("error", function (e) {
            reject(e);
        })
            .on("end", function () {
                if (worker.streamInfo.crc32 !== zipEntry.decompressed.crc32) {
                    reject(new Error("Corrupted zip : CRC32 mismatch"));
                } else {
                    resolve();
                }
            })
            .resume();
    });
}

module.exports = function (data, options) {
    var zip = this;