package org.argeo.security.equinox;
import java.util.Map;
-import java.util.Set;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
-import javax.security.auth.callback.TextOutputCallback;
import javax.security.auth.login.LoginException;
import org.apache.commons.logging.Log;
private Subject subject;
+ private Long waitBetweenFailedLoginAttempts = 5 * 1000l;
+
public SpringLoginModule() {
}
}
public boolean login() throws LoginException {
- // try to retrieve Authentication from Subject
- Set<Authentication> auths = subject.getPrincipals(Authentication.class);
- if (auths.size() > 0)
- SecurityContextHolder.getContext().setAuthentication(
- auths.iterator().next());
-
- // thread already logged in
- if (SecurityContextHolder.getContext().getAuthentication() != null)
- return super.login();
-
- // reset all principals and credentials
- if (log.isTraceEnabled())
- log.trace("Resetting all principals and credentials of " + subject);
- if (subject.getPrincipals() != null)
- subject.getPrincipals().clear();
- if (subject.getPrivateCredentials() != null)
- subject.getPrivateCredentials().clear();
- if (subject.getPublicCredentials() != null)
- subject.getPublicCredentials().clear();
-
- // ask for username and password
- Callback label = new TextOutputCallback(TextOutputCallback.INFORMATION,
- "Required login");
- NameCallback nameCallback = new NameCallback("User");
- PasswordCallback passwordCallback = new PasswordCallback("Password",
- false);
-
- // NameCallback urlCallback = new NameCallback("Site URL");
-
- if (callbackHandler == null) {
- throw new LoginException("No call back handler available");
- // return false;
- }
try {
- callbackHandler.handle(new Callback[] { label, nameCallback,
+ // thread already logged in
+ if (SecurityContextHolder.getContext().getAuthentication() != null)
+ return super.login();
+
+ // reset all principals and credentials
+ if (log.isTraceEnabled())
+ log.trace("Resetting all principals and credentials of "
+ + subject);
+ if (subject.getPrincipals() != null)
+ subject.getPrincipals().clear();
+ if (subject.getPrivateCredentials() != null)
+ subject.getPrivateCredentials().clear();
+ if (subject.getPublicCredentials() != null)
+ subject.getPublicCredentials().clear();
+
+ // ask for username and password
+ NameCallback nameCallback = new NameCallback("User");
+ PasswordCallback passwordCallback = new PasswordCallback(
+ "Password", false);
+
+ // NameCallback urlCallback = new NameCallback("Site URL");
+
+ if (callbackHandler == null)
+ throw new LoginException("No call back handler available");
+ callbackHandler.handle(new Callback[] { nameCallback,
passwordCallback });
- } catch (Exception e) {
- LoginException le = new LoginException("Callback handling failed");
- le.initCause(e);
- throw le;
- }
-
- // Set user name and password
- String username = nameCallback.getName();
- String password = "";
- if (passwordCallback.getPassword() != null) {
- password = String.valueOf(passwordCallback.getPassword());
- }
- // String url = urlCallback.getName();
- // TODO: set it via system properties
- String workspace = null;
-
- SiteAuthenticationToken credentials = new SiteAuthenticationToken(
- username, password, null, workspace);
-
- try {
- Authentication authentication = authenticationManager
- .authenticate(credentials);
+ // Set user name and password
+ String username = nameCallback.getName();
+ if (username == null || username.trim().equals(""))
+ return false;
+
+ String password = "";
+ if (passwordCallback.getPassword() != null)
+ password = String.valueOf(passwordCallback.getPassword());
+
+ // String url = urlCallback.getName();
+ // TODO: set it via system properties
+ String workspace = null;
+
+ SiteAuthenticationToken credentials = new SiteAuthenticationToken(
+ username, password, null, workspace);
+
+ Authentication authentication;
+ try {
+ authentication = authenticationManager
+ .authenticate(credentials);
+ } catch (BadCredentialsException e) {
+ // wait between failed login attempts
+ Thread.sleep(waitBetweenFailedLoginAttempts);
+ throw e;
+ }
registerAuthentication(authentication);
boolean res = super.login();
return res;
- } catch (BadCredentialsException bce) {
- throw bce;
+ } catch (LoginException e) {
+ throw e;
+ } catch (ThreadDeath e) {
+ LoginException le = new LoginException(
+ "Spring Security login thread died");
+ le.initCause(e);
+ throw le;
} catch (Exception e) {
- LoginException loginException = new LoginException(
- "Bad credentials");
- loginException.initCause(e);
- throw loginException;
+ LoginException le = new LoginException(
+ "Spring Security login failed");
+ le.initCause(e);
+ throw le;
}
- // }
}
@Override
public boolean logout() throws LoginException {
- // if (log.isDebugEnabled())
- // log.debug("logout subject=" + subject);
+ subject.getPrincipals().clear();
return super.logout();
}