Examples with KeyStoreUnzipedFilesBytesSizeExceeded com.venafi.vcert.sdk.connectors.ConnectorException.KeyStoreUnzipedFilesBytesSizeExceeded used on opensource projects

Example 1 with KeyStoreUnzipedFilesBytesSizeExceeded

use of com.venafi.vcert.sdk.connectors.ConnectorException.KeyStoreUnzipedFilesBytesSizeExceeded in project vcert-java by Venafi.

the class CloudConnectorUtils method getPEMCollectionFromKeyStoreAsStream.

public static PEMCollection getPEMCollectionFromKeyStoreAsStream(InputStream keyStoreAsInputStream, String certId, ChainOption chainOption, String keyPassword, DataFormat dataFormat) throws VCertException {
    String certificateAsPem = null;
    String pemFileSuffix = null;
    if (chainOption == ChainOption.ChainOptionRootFirst)
        pemFileSuffix = "_root-first.pem";
    else
        pemFileSuffix = "_root-last.pem";
    PrivateKey privateKey = null;
    try (ZipInputStream zis = new ZipInputStream(keyStoreAsInputStream)) {
        // The next constants are in order to be on safe about of the zip bomb attacks
        // The expected number of files in the zip returned by the call to
        final int MAX_ENTRIES = 10;
        // the API "POST /outagedetection/v1/certificates/{id}/keystore"
        // 1 MB
        final int MAX_UNZIPED_FILES_SIZE = 1000000;
        int entriesCount = 0;
        int unzipedAcumulatedSize = 0;
        ZipEntry zipEntry;
        while ((zipEntry = zis.getNextEntry()) != null) {
            entriesCount++;
            // If the number of entries is major that the expected max number of entries
            if (entriesCount > MAX_ENTRIES)
                throw new KeyStoreZipEntriesExceeded(certId, MAX_ENTRIES);
            String zipEntryContent = readZipEntry(zipEntry, zis, certId);
            String fileName = zipEntry.getName();
            if (fileName.endsWith(".key")) {
                // Getting the PrivateKey in PKCS8 and decrypting it
                PEMParser pemParser = new PEMParser(new StringReader(zipEntryContent));
                privateKey = PEMCollection.decryptPKCS8PrivateKey(pemParser, keyPassword);
            } else {
                if (fileName.endsWith(pemFileSuffix)) {
                    certificateAsPem = zipEntryContent;
                }
            }
            unzipedAcumulatedSize += zipEntryContent.getBytes().length;
            // maximum number of bytes.
            if (unzipedAcumulatedSize > MAX_UNZIPED_FILES_SIZE)
                throw new KeyStoreUnzipedFilesBytesSizeExceeded(certId, MAX_UNZIPED_FILES_SIZE);
        }
    } catch (Exception e) {
        throw new VCertException(e);
    }
    return PEMCollection.fromStringPEMCollection(certificateAsPem, chainOption, privateKey, keyPassword, dataFormat);
}