| /** |
| * 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.apache.aurora.common.zookeeper; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.base.Preconditions; |
| |
| import org.apache.aurora.common.base.MorePreconditions; |
| import org.apache.commons.lang.builder.EqualsBuilder; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| /** |
| * Encapsulates a user's ZooKeeper credentials. |
| */ |
| public final class Credentials { |
| |
| /** |
| * Creates a set of credentials for the ZooKeeper digest authentication mechanism. |
| * |
| * @param username the username to authenticate with |
| * @param password the password to authenticate with |
| * @return a set of credentials that can be used to authenticate the zoo keeper client |
| */ |
| public static Credentials digestCredentials(String username, String password) { |
| MorePreconditions.checkNotBlank(username); |
| Preconditions.checkNotNull(password); |
| |
| // TODO(John Sirois): DigestAuthenticationProvider is broken - uses platform default charset |
| // (on server) and so we just have to hope here that clients are deployed in compatible jvms. |
| // Consider writing and installing a version of DigestAuthenticationProvider that controls its |
| // Charset explicitly. |
| return new Credentials("digest", (username + ":" + password).getBytes()); |
| } |
| |
| private final String scheme; |
| private final byte[] authToken; |
| |
| public Credentials(String scheme, byte[] authToken) { |
| this.scheme = MorePreconditions.checkNotBlank(scheme); |
| this.authToken = requireNonNull(authToken); |
| } |
| |
| /** |
| * Returns the authentication scheme these credentials are for. |
| * |
| * @return the scheme these credentials are for. |
| */ |
| public String scheme() { |
| return scheme; |
| } |
| |
| /** |
| * Returns the authentication token. |
| * |
| * @return the authentication token. |
| */ |
| public byte[] authToken() { |
| return authToken; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof Credentials)) { |
| return false; |
| } |
| |
| Credentials other = (Credentials) o; |
| return new EqualsBuilder() |
| .append(scheme, other.scheme()) |
| .append(authToken, other.authToken()) |
| .isEquals(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(scheme, authToken); |
| } |
| } |