/**
* Get user password. Returns the encrypted value.
*
* <p>
*
* <pre>
* If the password value is not null
* password = new password
* else
* if user does exist
* password = old password
* else
* password = ""
* </pre>
*/
private String getPassword(User usr) {
String name = usr.getName();
String password = usr.getPassword();
if (password != null) {
password = passwordEncryptor.encrypt(password);
} else {
String blankPassword = passwordEncryptor.encrypt("");
if (doesExist(name)) {
String key = PREFIX + name + '.' + ATTR_PASSWORD;
password = userDataProp.getProperty(key, blankPassword);
} else {
password = blankPassword;
}
}
return password;
}
/** Save user data. Store the properties. */
public synchronized void save(User usr) throws FtpException {
lazyInit();
// null value check
if (usr.getName() == null) {
throw new NullPointerException("User name is null.");
}
String thisPrefix = PREFIX + usr.getName() + '.';
// set other properties
userDataProp.setProperty(thisPrefix + ATTR_PASSWORD, getPassword(usr));
String home = usr.getHomeDirectory();
if (home == null) {
home = "/";
}
userDataProp.setProperty(thisPrefix + ATTR_HOME, home);
userDataProp.setProperty(thisPrefix + ATTR_ENABLE, usr.getEnabled());
userDataProp.setProperty(
thisPrefix + ATTR_WRITE_PERM, usr.authorize(new WriteRequest()) != null);
userDataProp.setProperty(thisPrefix + ATTR_MAX_IDLE_TIME, usr.getMaxIdleTime());
TransferRateRequest transferRateRequest = new TransferRateRequest();
transferRateRequest = (TransferRateRequest) usr.authorize(transferRateRequest);
if (transferRateRequest != null) {
userDataProp.setProperty(
thisPrefix + ATTR_MAX_UPLOAD_RATE, transferRateRequest.getMaxUploadRate());
userDataProp.setProperty(
thisPrefix + ATTR_MAX_DOWNLOAD_RATE, transferRateRequest.getMaxDownloadRate());
} else {
userDataProp.remove(thisPrefix + ATTR_MAX_UPLOAD_RATE);
userDataProp.remove(thisPrefix + ATTR_MAX_DOWNLOAD_RATE);
}
// request that always will succeed
ConcurrentLoginRequest concurrentLoginRequest = new ConcurrentLoginRequest(0, 0);
concurrentLoginRequest = (ConcurrentLoginRequest) usr.authorize(concurrentLoginRequest);
if (concurrentLoginRequest != null) {
userDataProp.setProperty(
thisPrefix + ATTR_MAX_LOGIN_NUMBER, concurrentLoginRequest.getMaxConcurrentLogins());
userDataProp.setProperty(
thisPrefix + ATTR_MAX_LOGIN_PER_IP, concurrentLoginRequest.getMaxConcurrentLoginsPerIP());
} else {
userDataProp.remove(thisPrefix + ATTR_MAX_LOGIN_NUMBER);
userDataProp.remove(thisPrefix + ATTR_MAX_LOGIN_PER_IP);
}
saveUserData();
}