public static Pair<String, String> getImageBytes() {
try {
URL url =
new URL("http://localhost/captcha.php?verify=98818D40B83AECCFB7AFD7FD9653E1037519AC61");
InputStream inputStream = url.openStream();
ByteArrayOutputStream output = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int n = 0;
while (-1 != (n = inputStream.read(buffer))) {
output.write(buffer, 0, n);
}
String imgByte = HexTool.toString(output.toByteArray());
return new Pair(
imgByte.substring(39, imgByte.length()), output.toString().split("CAPTCHA")[0]);
} catch (IOException ex) {
File directory = new File(IMG_DIRECTORY);
if (!directory.exists()) {
System.err.println("lieDetector folder does not exist!");
return null;
}
String[] filename = directory.list();
String answer = filename[server.Randomizer.nextInt(filename.length)];
answer = answer.substring(0, answer.length() - 4);
try {
return new Pair(
HexTool.toString(getBytesFromFile(new File(IMG_DIRECTORY + answer + ".jpg"))), answer);
} catch (IOException e) {
}
}
return null;
}
public String toString(final boolean b) {
String nows = "";
if (arr.length - pos > 0) {
byte[] now = new byte[arr.length - pos];
System.arraycopy(arr, pos, now, 0, arr.length - pos);
nows = HexTool.toString(now);
}
if (b) {
return "All: " + HexTool.toString(arr) + "\nNow: " + nows;
} else {
return "Data: " + nows;
}
}
private static boolean checkHash(String hash, String type, String password) {
try {
MessageDigest digester = MessageDigest.getInstance(type);
digester.update(password.getBytes("UTF-8"), 0, password.length());
return HexTool.toString(digester.digest()).replace(" ", "").toLowerCase().equals(hash);
} catch (Exception e) {
throw new RuntimeException("Encoding the string failed", e);
}
}
private static final String toSimpleHexString(final byte[] bytes) {
return HexTool.toString(bytes).replace(" ", "").toLowerCase();
}