public String getFileBinaryBase64(String fileName) throws APIException {
if ((new File(fileName)).exists()) {
FileInputStream stream = null;
try {
stream = new FileInputStream(new File(fileName));
FileChannel fc = stream.getChannel();
MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
/* Instead of using default, pass in a decoder. */
byte[] b = new byte[bb.remaining()];
bb.get(b);
return Base64.encodeBytes(b);
} catch (Exception e) {
throw new APIException(fileName + " could not have its files extracte!");
} finally {
try {
stream.close();
} catch (Exception e) {
throw new APIException(fileName + " could not be closed!");
}
}
} else {
throw new APIException(fileName + " doesn't exist!");
}
}
private String generateFinalKey(String in) {
String seckey = in.trim();
String acc = seckey + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
MessageDigest sh1;
try {
sh1 = MessageDigest.getInstance("SHA1");
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
return Base64.encodeBytes(sh1.digest(acc.getBytes()));
}
@Override
public ClientHandshakeBuilder postProcessHandshakeRequestAsClient(
ClientHandshakeBuilder request) {
request.put("Upgrade", "websocket");
request.put("Connection", "Upgrade"); // to respond to a Connection keep alives
request.put("Sec-WebSocket-Version", "8");
byte[] random = new byte[16];
reuseableRandom.nextBytes(random);
request.put("Sec-WebSocket-Key", Base64.encodeBytes(random));
return request;
}
