protected CMSSignedData timestamp()

in jsign-core/src/main/java/net/jsign/timestamp/AuthenticodeTimestamper.java [49:79]

• 26 lines of code
• 3 McCabe index (conditional complexity)

    protected CMSSignedData timestamp(DigestAlgorithm algo, byte[] encryptedDigest) throws IOException, TimestampingException {
        AuthenticodeTimeStampRequest timestampRequest = new AuthenticodeTimeStampRequest(encryptedDigest);

        byte[] request = Base64.encode(timestampRequest.getEncoded("DER"));

        HttpURLConnection conn = (HttpURLConnection) tsaurl.openConnection();
        conn.setConnectTimeout(10000);
        conn.setReadTimeout(10000);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-type", "application/octet-stream");
        conn.setRequestProperty("Content-length", String.valueOf(request.length));
        conn.setRequestProperty("Accept", "application/octet-stream");
        conn.setRequestProperty("User-Agent", "Transport");

        conn.getOutputStream().write(request);
        conn.getOutputStream().flush();

        if (conn.getResponseCode() >= 400) {
            throw new IOException("Unable to complete the timestamping due to HTTP error: " + conn.getResponseCode() + " - " + conn.getResponseMessage());
        }

        try {
            byte[] response = Base64.decode(toBytes(conn.getInputStream()));
            return new CMSSignedData(response);
        } catch (Exception e) {
            throw new TimestampingException("Unable to complete the timestamping", e);
        }
    }