| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.jackrabbit.oak.spi.security.authentication.credentials; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.function.Supplier; |
| |
| import javax.jcr.Credentials; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import static com.google.common.collect.Sets.newHashSet; |
| import static com.google.common.collect.Maps.newHashMap; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Composite implementation of the |
| * {@link org.apache.jackrabbit.oak.spi.security.authentication.credentials.CredentialsSupport} |
| * interface that handles multiple providers. |
| */ |
| public final class CompositeCredentialsSupport implements CredentialsSupport { |
| |
| @NotNull |
| private final Supplier<Collection<CredentialsSupport>> credentialSupplier; |
| |
| private CompositeCredentialsSupport(@NotNull Supplier<Collection<CredentialsSupport>> credentialSupplier) { |
| this.credentialSupplier = credentialSupplier; |
| } |
| |
| public static CredentialsSupport newInstance(@NotNull Supplier<Collection<CredentialsSupport>> credentialSupplier) { |
| return new CompositeCredentialsSupport(credentialSupplier); |
| } |
| |
| @Override |
| @NotNull |
| public Set<Class> getCredentialClasses() { |
| Collection<CredentialsSupport> all = this.credentialSupplier.get(); |
| if (all.isEmpty()) { |
| return ImmutableSet.of(); |
| } else if (all.size() == 1) { |
| return all.iterator().next().getCredentialClasses(); |
| } else { |
| Set<Class> classes = newHashSet(); |
| for (CredentialsSupport c : all) { |
| classes.addAll(c.getCredentialClasses()); |
| } |
| return classes; |
| } |
| } |
| |
| @Override |
| @Nullable |
| public String getUserId(@NotNull Credentials credentials) { |
| Collection<CredentialsSupport> all = this.credentialSupplier.get(); |
| for (CredentialsSupport c : all) { |
| String userId = c.getUserId(credentials); |
| if (userId != null) { |
| return userId; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| @NotNull |
| public Map<String, ?> getAttributes(@NotNull Credentials credentials) { |
| Collection<CredentialsSupport> all = this.credentialSupplier.get(); |
| if (all.isEmpty()) { |
| return ImmutableMap.of(); |
| } else if (all.size() == 1) { |
| return all.iterator().next().getAttributes(credentials); |
| } else { |
| Map<String, Object> attrs = newHashMap(); |
| for (CredentialsSupport c : all) { |
| attrs.putAll(c.getAttributes(credentials)); |
| } |
| return attrs; |
| } |
| } |
| |
| @Override |
| public boolean setAttributes(@NotNull Credentials credentials, @NotNull Map<String, ?> attributes) { |
| boolean set = false; |
| Collection<CredentialsSupport> all = this.credentialSupplier.get(); |
| for (CredentialsSupport c : all) { |
| set = c.setAttributes(credentials, attributes) || set; |
| } |
| return set; |
| } |
| } |