public static byte[] HMAC(byte[] key, byte[] message) {
byte[] paddedKey = padKey(key);
byte[] ipadXorKey = Util.xor(IPAD, paddedKey);
byte[] opadXorKey = Util.xor(OPAD, paddedKey);
byte[] iPadDigest = SHA256.digest(Util.concat(ipadXorKey, message));
byte[] hmac = SHA256.digest(Util.concat(opadXorKey, iPadDigest));
return hmac;
}
public void go() {
FileList fl = null;
try {
fl = new FileList(inputPath);
fl.read();
} catch (IOException e) {
e.printStackTrace();
System.exit(-1);
}
Queue<File> filesQ = fl.getFiles();
LOG.info("Found " + filesQ.size() + " files to process");
int c = 1;
for (File file : filesQ) {
String sum = null;
String date = null;
String type = getType(file);
System.out.print(c + " ");
if ((c % 20) == 0) {
System.out.println();
}
c++;
if (imageFile(type)) {
try {
sum = SHA256.digest(file);
} catch (IOException e) {
LOG.info("NOSHA: IO: " + file.getAbsolutePath());
}
try {
date = getDate(file);
} catch (IOException e) {
LOG.info("NODATE: IO: " + file.getAbsolutePath());
}
if (sum != null && date != null) {
storePhotoInfo(sum, date, file.getAbsolutePath());
}
} else {
LOG.info("SKIP: skipping non-image file: " + file.getAbsolutePath());
}
}
for (Photo p : pstore.getPhotos()) {
savePhoto(p);
}
}
private void savePhoto(Photo p) {
String date = p.getDate();
date = date.substring(0, date.indexOf("T"));
String[] dateParts = date.split("-");
String year = dateParts[0];
String month = dateParts[1];
String day = dateParts[2];
String outputDir = outputPath + "/" + year + "/" + month + "/" + day;
File source = new File(p.getPaths().get(0)); // take the first one -
// doesn't really
// matter.
File target = getTargetFile(outputDir, source.getName());
File outputDirF = new File(outputDir);
outputDirF.mkdirs();
try {
FileUtils.copyFile(source, target);
LOG.info("COPY: " + source.getAbsolutePath() + " to " + target.getAbsolutePath());
} catch (IOException e) {
LOG.info("FAILCOPY: " + source.getAbsolutePath() + " to " + target.getAbsolutePath());
}
String copySum = null;
try {
copySum = SHA256.digest(target);
} catch (IOException e) {
LOG.info("NOSHACOPY: IO: " + target.getAbsolutePath());
}
if (copySum.equals(p.getSha256())) {
LOG.info("VALIDCOPY: " + target.getAbsolutePath());
} else {
LOG.info("INVALID: " + target.getAbsolutePath());
}
try {
writeTargetInfo(target, p);
} catch (IOException e) {
LOG.info("METAFAIL: " + target.getAbsolutePath());
}
}
private static byte[] padKey(byte[] key) {
byte[] paddedKey = new byte[BLOCK_SIZE];
if (key.length > BLOCK_SIZE) {
key = SHA256.digest(key);
}
if (key.length < BLOCK_SIZE) {
final int requiredZeroBytes = BLOCK_SIZE - key.length;
byte[] zeroBytes = new byte[requiredZeroBytes];
for (int i = 0; i < requiredZeroBytes; i++) {
zeroBytes[i] = 0b00000000;
}
paddedKey = Util.concat(key, zeroBytes);
}
if (key.length == BLOCK_SIZE) {
paddedKey = key;
}
return paddedKey;
}