public static void saveHashes(String path, HashMap<String, String> hashes) {
if (path.equalsIgnoreCase("")) {
MLog.e("Can't save Hashes to not given file.");
return;
}
File iFile = new File(path);
FileOutputStream fos = null;
ObjectOutputStream oos = null;
if (!iFile.exists()) {
MLog.e("Can't save Hashes to not existing file: " + path);
return;
}
if (hashes == null) MLog.w("Writing 'null' to hash database means clearing.");
try {
fos = new FileOutputStream(iFile);
oos = new ObjectOutputStream(fos);
} catch (FileNotFoundException fnfex) {
MLog.e("Can't save Hashes to not existing file: " + path);
return;
} catch (IOException ioex) {
MLog.e("Can't create ObjectOutputStream while saving Hashes from " + path);
return;
}
try {
oos.writeObject(hashes);
} catch (IOException ioex) {
MLog.e("Error writing Stream in file: " + path);
return;
} // catch (ClassNotFoundException cnfex) { MLog.e("Error writing Stream in file
// (ClassNotFoundException): " + path); return; }
MLog.d("Saved Hashmap successfully");
return;
}
/**
* Checks if player is registered with the given password
*
* @param p The Player
* @param pass The Password
* @return true: Player registered and correct password, false: Anything went wrong, or no access
*/
public boolean b(Player p, String pass) {
if (!loaded) {
MLog.e("(MAuth) Can't do check on " + p.getName() + ": HashMaps are not loaded.");
return false;
}
if (!isRegistered(p.getName())) {
MLog.e("(MAuth) Can't check player " + p.getName() + ": Never registered.");
}
return d(p.getName())
.equals(
MCrypt.getHash(
1000,
pass,
"i8765rtghjklo987654redfghjukiloi8u7z654e34r56789ikjhgf87654rfghzjui876tghjkioi8u7z6trer456z7uj"));
}
/**
* Registers a new player.
*
* @param p The Player
* @param pass The password
* @return SUCCESS: All did fine, ERROR: Something went wrong. Check log.
*/
public MResult register(Player p, String pass) {
if (c.contains(p.getName()) && !b(p, pass)) return MResult.RES_NOACCESS;
if (a.containsKey(p.getName())) return MResult.RES_ALREADY;
if (c(p, pass)) return MResult.RES_SUCCESS;
MLog.e("Something went wrong while registering new player :(");
return MResult.RES_ERROR;
}
private boolean c(Player p, String pass) {
if (!loaded) {
MLog.e("(MAuth) Can't register player " + p.getName() + ": HashMaps are not initialized.");
return false;
}
if (isRegistered(p.getName())) {
MLog.e("(MAuth) Can't register player " + p.getName());
return false;
}
a.put(
p.getName(),
MCrypt.getHash(
1000,
pass,
"i8765rtghjklo987654redfghjukiloi8u7z654e34r56789ikjhgf87654rfghzjui876tghjkioi8u7z6trer456z7uj"));
MCrypt.saveHashes(b.getAbsolutePath(), a);
return true;
}
public static String getHash(int iterationNb, String password, String salt) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-1");
digest.reset();
digest.update(salt.getBytes());
byte[] input;
try {
input = digest.digest(password.getBytes("UTF-8"));
for (int i = 0; i < iterationNb; i++) {
digest.reset();
input = digest.digest(input);
}
return new String(input);
} catch (UnsupportedEncodingException ex) {
MLog.e("Failure while doing crypt algorithm.");
return "";
}
} catch (NoSuchAlgorithmException ex) {
MLog.e("Failure while doing crypt algorithm.");
return "";
}
}
public MAuthorizer(String a) {
try {
b = new File(a);
this.a = new HashMap<>();
this.c = new ArrayList<>();
if (!b.exists()) {
b.mkdirs();
b.createNewFile();
MCrypt.saveHashes(a, this.a);
}
} catch (IOException ioex) {
MLog.e("(MAuth) Authorization file invalid.");
}
}
public static HashMap<String, String> loadHashes(String path) {
if (path.equalsIgnoreCase("")) {
MLog.e("Can't load Hases from not given file");
return null;
}
File iFile = new File(path);
FileInputStream fis = null;
ObjectInputStream ois = null;
if (!iFile.exists()) {
MLog.e("Can't load Hashes from not existing file: " + path);
return null;
}
try {
fis = new FileInputStream(iFile);
ois = new ObjectInputStream(fis);
} catch (FileNotFoundException fnfex) {
MLog.e("Can't load Hashes from not existing file: " + path);
return null;
} catch (EOFException eofex) {
HashMap<String, String> tres = new HashMap<String, String>();
saveHashes(path, tres);
return tres;
} catch (IOException ioex) {
MLog.e("Can't create ObjectInputStream while loading Hashes from " + path);
ioex.printStackTrace();
return null;
}
Object o = null;
try {
o = ois.readObject();
} catch (IOException ioex) {
MLog.e("Error reading Stream in file: " + path);
return null;
} catch (ClassNotFoundException cnfex) {
MLog.e("Error reading Stream in file (ClassNotFoundException): " + path);
return null;
}
if (!(o instanceof HashMap)) {
MLog.e("Invalid hash file at: " + path);
return null;
}
MLog.d("Loaded Hashmap successfully");
return (HashMap<String, String>) o;
}
