/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.server.security;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Scopes;
import com.google.inject.multibindings.Multibinder;
import io.airlift.configuration.AbstractConfigurationAwareModule;
import io.airlift.http.server.TheServlet;
import javax.servlet.Filter;
import java.util.function.Predicate;
import static com.facebook.presto.server.security.SecurityConfig.AuthenticationType.KERBEROS;
import static com.facebook.presto.server.security.SecurityConfig.AuthenticationType.LDAP;
import static io.airlift.configuration.ConditionalModule.installModuleIf;
import static io.airlift.configuration.ConfigBinder.configBinder;
public class ServerSecurityModule
extends AbstractConfigurationAwareModule
{
@Override
protected void setup(Binder securityBinder)
{
bindSecurityConfig(
securityConfig -> securityConfig.getAuthenticationType() == KERBEROS,
binder -> {
configBinder(binder).bindConfig(KerberosConfig.class);
Multibinder.newSetBinder(binder, Filter.class, TheServlet.class)
.addBinding()
.to(SpnegoFilter.class)
.in(Scopes.SINGLETON);
});
bindSecurityConfig(
securityConfig -> securityConfig.getAuthenticationType() == LDAP,
binder -> {
configBinder(binder).bindConfig(LdapConfig.class);
Multibinder.newSetBinder(binder, Filter.class, TheServlet.class)
.addBinding()
.to(LdapFilter.class)
.in(Scopes.SINGLETON);
});
}
private void bindSecurityConfig(Predicate<SecurityConfig> predicate, Module module)
{
install(installModuleIf(SecurityConfig.class, predicate, module));
}
}