/*
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.shrinkwrap.resolver.impl.maven.bootstrap;
import java.lang.reflect.Field;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import org.apache.maven.wagon.Wagon;
import org.apache.maven.wagon.providers.file.FileWagon;
import org.apache.maven.wagon.providers.http.LightweightHttpWagon;
import org.apache.maven.wagon.providers.http.LightweightHttpWagonAuthenticator;
import org.apache.maven.wagon.providers.http.LightweightHttpsWagon;
import org.eclipse.aether.connector.wagon.WagonProvider;
import org.jboss.shrinkwrap.resolver.api.ResolutionException;
/**
* {@link WagonProvider} implementation using an appropriate {@link Wagon} given the provided roleHint in
* {@link WagonProvider#lookup(String)}
*
* @author <a href="mailto:alr@jboss.org">Andrew Lee Rubinger</a>
* @author <a href="mailto:kpiwko@redhat.com">Karel Piwko</a>
*/
class ManualWagonProvider implements WagonProvider {
private static final String HTTP = "http";
private static final String HTTPS = "https";
private static final String FILE = "file";
/**
* {@inheritDoc}
*
* @see org.eclipse.aether.connector.wagon.WagonProvider#lookup(java.lang.String)
*/
@Override
public Wagon lookup(final String roleHint) throws Exception {
if (roleHint.equals(HTTP)) {
return setAuthenticator(new LightweightHttpWagon());
} else if (roleHint.equals(HTTPS)) {
return setAuthenticator(new LightweightHttpsWagon());
} else if (roleHint.equals(FILE)) {
return new FileWagon();
}
throw new RuntimeException("Role hint not supported: " + roleHint);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.aether.connector.wagon.WagonProvider#release(org.apache.maven.wagon.Wagon)
*/
@Override
public void release(final Wagon wagon) {
// NO-OP
}
// SHRINKRES-68
// Wagon noes not correctly fill Authenticator field if Plexus is not used
// we need to use reflexion in order to get fix this behavior
// http://dev.eclipse.org/mhonarc/lists/aether-users/msg00113.html
private LightweightHttpWagon setAuthenticator(final LightweightHttpWagon wagon) {
final Field authenticator;
try {
authenticator = AccessController.doPrivileged(new PrivilegedExceptionAction<Field>() {
@Override
public Field run() throws Exception {
final Field field = LightweightHttpWagon.class.getDeclaredField("authenticator");
field.setAccessible(true);
return field;
}
});
} catch (final PrivilegedActionException pae) {
throw new ResolutionException("Could not manually set authenticator to accessible on "
+ LightweightHttpWagon.class.getName(), pae);
}
try {
authenticator.set(wagon, new LightweightHttpWagonAuthenticator());
} catch (final Exception e) {
throw new ResolutionException("Could not manually set authenticator on "
+ LightweightHttpWagon.class.getName(), e);
}
// SHRINKRES-69
// Needed to ensure that we do not cache BASIC Auth values
wagon.setPreemptiveAuthentication(true);
return wagon;
}
}