/**
* This file is part of Graylog2.
*
* Graylog2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.security.realm;
import org.apache.shiro.authc.*;
import org.apache.shiro.authc.credential.AllowAllCredentialsMatcher;
import org.apache.shiro.realm.AuthenticatingRealm;
import org.graylog2.database.ValidationException;
import org.graylog2.security.AccessToken;
import org.graylog2.security.AccessTokenAuthToken;
import org.graylog2.security.AccessTokenService;
import org.graylog2.users.User;
import org.graylog2.users.UserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
public class AccessTokenAuthenticator extends AuthenticatingRealm {
private static final Logger LOG = LoggerFactory.getLogger(AccessTokenAuthenticator.class);
private final AccessTokenService accessTokenService;
private final UserService userService;
private final LdapUserAuthenticator ldapAuthenticator;
@Inject
public AccessTokenAuthenticator(AccessTokenService accessTokenService,
UserService userService,
LdapUserAuthenticator ldapAuthenticator) {
this.accessTokenService = accessTokenService;
this.userService = userService;
this.ldapAuthenticator = ldapAuthenticator;
setAuthenticationTokenClass(AccessTokenAuthToken.class);
// the presence of a valid access token is enough, we don't have any other credentials
setCredentialsMatcher(new AllowAllCredentialsMatcher());
}
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
AccessTokenAuthToken authToken = (AccessTokenAuthToken) token;
final AccessToken accessToken = accessTokenService.load(String.valueOf(authToken.getToken()));
if (accessToken == null) {
return null;
}
final User user = userService.load(accessToken.getUserName());
if (user == null) {
return null;
}
if (user.isExternalUser() && !ldapAuthenticator.isEnabled()) {
throw new LockedAccountException("LDAP authentication is currently disabled.");
}
if (LOG.isDebugEnabled()) {
LOG.debug("Found user {} for access token.", user);
}
try {
accessTokenService.touch(accessToken);
} catch (ValidationException e) {
LOG.warn("Unable to update access token's last access date.", e);
}
return new SimpleAccount(user.getName(), null, "access token realm");
}
}