| /* |
| * 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.hadoop.ozone.s3; |
| |
| import javax.annotation.PreDestroy; |
| import javax.enterprise.context.RequestScoped; |
| import javax.enterprise.inject.Produces; |
| import javax.inject.Inject; |
| import javax.ws.rs.WebApplicationException; |
| import javax.ws.rs.container.ContainerRequestContext; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.Response; |
| import java.io.IOException; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.client.OzoneClient; |
| import org.apache.hadoop.ozone.om.protocol.S3Auth; |
| import org.apache.hadoop.ozone.s3.exception.OS3Exception; |
| import org.apache.hadoop.ozone.s3.exception.S3ErrorTable; |
| import org.apache.hadoop.ozone.s3.signature.SignatureInfo; |
| import org.apache.hadoop.ozone.s3.signature.SignatureInfo.Version; |
| import org.apache.hadoop.ozone.s3.signature.SignatureProcessor; |
| import org.apache.hadoop.ozone.s3.signature.StringToSignProducer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.hadoop.ozone.s3.exception.S3ErrorTable.ACCESS_DENIED; |
| import static org.apache.hadoop.ozone.s3.exception.S3ErrorTable.INTERNAL_ERROR; |
| |
| /** |
| * This class creates the OzoneClient for the Rest endpoints. |
| */ |
| @RequestScoped |
| public class OzoneClientProducer { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(OzoneClientProducer.class); |
| |
| private OzoneClient client; |
| |
| @Inject |
| private SignatureProcessor signatureProcessor; |
| |
| @Inject |
| private OzoneConfiguration ozoneConfiguration; |
| |
| @Context |
| private ContainerRequestContext context; |
| |
| @Produces |
| public synchronized OzoneClient createClient() throws WebApplicationException, |
| IOException { |
| client = getClient(ozoneConfiguration); |
| return client; |
| } |
| |
| @PreDestroy |
| public void destroy() throws IOException { |
| client.getObjectStore().getClientProxy().clearThreadLocalS3Auth(); |
| } |
| @Produces |
| public S3Auth getSignature() { |
| try { |
| SignatureInfo signatureInfo = signatureProcessor.parseSignature(); |
| String stringToSign = ""; |
| if (signatureInfo.getVersion() == Version.V4) { |
| stringToSign = |
| StringToSignProducer.createSignatureBase(signatureInfo, context); |
| } |
| |
| String awsAccessId = signatureInfo.getAwsAccessId(); |
| // ONLY validate aws access id when needed. |
| if (awsAccessId == null || awsAccessId.equals("")) { |
| LOG.debug("Malformed s3 header. awsAccessID: {}", awsAccessId); |
| throw ACCESS_DENIED; |
| } |
| |
| return new S3Auth(stringToSign, |
| signatureInfo.getSignature(), |
| awsAccessId); |
| } catch (OS3Exception ex) { |
| LOG.debug("Error during Client Creation: ", ex); |
| throw wrapOS3Exception(ex); |
| } catch (Exception e) { |
| // For any other critical errors during object creation throw Internal |
| // error. |
| LOG.debug("Error during Client Creation: ", e); |
| throw wrapOS3Exception(S3ErrorTable.newError(INTERNAL_ERROR, null, e)); |
| } |
| } |
| |
| private OzoneClient getClient(OzoneConfiguration config) |
| throws IOException { |
| OzoneClient ozoneClient = null; |
| try { |
| ozoneClient = |
| OzoneClientCache.getOzoneClientInstance(ozoneConfiguration); |
| } catch (Exception e) { |
| // For any other critical errors during object creation throw Internal |
| // error. |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Error during Client Creation: ", e); |
| } |
| throw e; |
| } |
| return ozoneClient; |
| } |
| |
| public synchronized void setOzoneConfiguration(OzoneConfiguration config) { |
| this.ozoneConfiguration = config; |
| } |
| |
| @VisibleForTesting |
| public void setSignatureParser(SignatureProcessor awsSignatureProcessor) { |
| this.signatureProcessor = awsSignatureProcessor; |
| } |
| |
| private WebApplicationException wrapOS3Exception(OS3Exception os3Exception) { |
| return new WebApplicationException(os3Exception.getErrorMessage(), |
| os3Exception, |
| Response.status(os3Exception.getHttpCode()) |
| .entity(os3Exception.toXml()).build()); |
| } |
| } |