/*
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package juzu.plugin.shiro.impl;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import javax.inject.Provider;
import juzu.impl.common.JSON;
import juzu.impl.inject.spi.InjectionContext;
import juzu.impl.request.Request;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.UnavailableSecurityManagerException;
import org.apache.shiro.mgt.DefaultSecurityManager;
import org.apache.shiro.mgt.RealmSecurityManager;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.realm.Realm;
/**
* @author <a href="mailto:haithanh0809@gmail.com">Nguyen Thanh Hai</a>
* @version $Id$
*
*/
public class SecurityManagerProvider implements Provider<SecurityManager> {
/** .*/
private final JSON config;
public SecurityManagerProvider(JSON config) {
this.config = config;
}
public SecurityManager get() {
SecurityManager manager = null;
try {
manager = SecurityUtils.getSecurityManager();
} catch (UnavailableSecurityManagerException e1) {
manager = new DefaultSecurityManager();
}
boolean rememberMeSupported = config.get("rememberMe") != null ? true : false;
if (rememberMeSupported && manager instanceof DefaultSecurityManager) {
((DefaultSecurityManager)manager).setRememberMeManager(new JuzuRememberMe());
}
if (config.get("realms") != null) {
try {
injectRealms(config, manager, Request.getCurrent().getApplication().getInjectionContext());
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
return manager;
}
private void injectRealms(JSON config, SecurityManager currentManager, InjectionContext manager) throws InvocationTargetException {
JSON realmsJSON = config.getJSON("realms");
Iterable beans = manager.resolveBeans(AuthorizingRealm.class);
for (Object bean : beans) {
Object instance = manager.createContext(bean);
AuthorizingRealm realm = AuthorizingRealm.class.cast(manager.getInstance(bean, instance));
JSON realmJSON = realmsJSON.getJSON(realm.getClass().getName());
if (realmJSON != null) {
if (realmJSON.get("name") != null) {
realm.setName(realmJSON.getString("name"));
}
Collection<Realm> realms = ((RealmSecurityManager)currentManager).getRealms();
if (realms == null) {
((RealmSecurityManager)currentManager).setRealm(realm);
} else {
((RealmSecurityManager)currentManager).getRealms().add(realm);
}
}
}
}
}