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/*******************************************************************************
* Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
* This file is part of Gluster Management Gateway.
*
* Gluster Management Gateway is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Gluster Management Gateway is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*******************************************************************************/
package org.gluster.storage.management.gateway.resources.v1_0;
import static org.gluster.storage.management.core.constants.RESTConstants.RESOURCE_PATH_KEYS;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.log4j.Logger;
import org.gluster.storage.management.core.exceptions.GlusterRuntimeException;
import org.gluster.storage.management.core.utils.FileUtil;
import org.gluster.storage.management.core.utils.ProcessResult;
import org.gluster.storage.management.core.utils.ProcessUtil;
import org.gluster.storage.management.gateway.utils.SshUtil;
import com.sun.jersey.multipart.FormDataParam;
@Path(RESOURCE_PATH_KEYS)
public class KeysResource extends AbstractResource {
private static final Logger logger = Logger.getLogger(KeysResource.class);
@GET
@Produces(MediaType.APPLICATION_OCTET_STREAM)
public Response exportSshkeys() {
File archiveFile = new File(createSskKeyZipFile());
byte[] data = FileUtil.readFileAsByteArray(archiveFile);
archiveFile.delete();
return streamingOutputResponse(createStreamingOutput(data));
}
private String createSskKeyZipFile() {
String targetDir = FileUtil.getTempDirName();
String zipFile = targetDir + File.separator + "ssh-keys.tar";
String sourcePrivateKeyFile = SshUtil.PRIVATE_KEY_FILE.getAbsolutePath();
String sourcePublicKeyFile = SshUtil.PUBLIC_KEY_FILE.getAbsolutePath();
String targetPrivateKeyFile = targetDir + File.separator + SshUtil.PRIVATE_KEY_FILE.getName();
String targetPubKeyFile = targetDir + File.separator + SshUtil.PUBLIC_KEY_FILE.getName();
if (!SshUtil.PRIVATE_KEY_FILE.isFile()) {
throw new GlusterRuntimeException("No private key file [" + SshUtil.PRIVATE_KEY_FILE.getName() + "] found!");
}
if (!SshUtil.PUBLIC_KEY_FILE.isFile()) {
throw new GlusterRuntimeException("No public key file [" + SshUtil.PUBLIC_KEY_FILE.getName() + "] found!");
}
// Copy keys to temp folder
ProcessResult result = ProcessUtil.executeCommand("cp", sourcePrivateKeyFile, targetPrivateKeyFile);
if (!result.isSuccess()) {
throw new GlusterRuntimeException("Failed to copy key files! [" + result.getOutput() + "]");
}
result = ProcessUtil.executeCommand("cp", sourcePublicKeyFile, targetPubKeyFile);
if (!result.isSuccess()) {
throw new GlusterRuntimeException("Failed to copy key files! [" + result.getOutput() + "]");
}
// To compress the key files
result = ProcessUtil.executeCommand("tar", "cvf", zipFile, "-C", targetDir, SshUtil.PRIVATE_KEY_FILE.getName(),
SshUtil.PUBLIC_KEY_FILE.getName());
if (!result.isSuccess()) {
throw new GlusterRuntimeException("Failed to compress key files! [" + result.getOutput() + "]");
}
// To remove the copied key files
try {
ProcessUtil.executeCommand("rm", "-f", targetPrivateKeyFile, targetPubKeyFile); // Ignore the errors if any
} catch (Exception e) {
logger.warn(e.toString());
}
return zipFile;
}
@POST
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response importSshKeys(@FormDataParam("file") InputStream uploadedInputStream) {
File uploadedFile = new File(System.getProperty("java.io.tmpdir") + File.separator + "keys.tar");
String timestamp = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
writeToFile(uploadedInputStream, uploadedFile.getAbsolutePath());
// To backup existing SSH private and public keys, if exist.
if (SshUtil.PRIVATE_KEY_FILE.isFile()) {
if (!SshUtil.PRIVATE_KEY_FILE.renameTo(new File(SshUtil.PRIVATE_KEY_FILE.getAbsolutePath() + "-" + timestamp))) {
throw new GlusterRuntimeException("Unable to backup private key!");
}
}
if (SshUtil.PUBLIC_KEY_FILE.isFile()) {
if (!SshUtil.PUBLIC_KEY_FILE
.renameTo(new File(SshUtil.PUBLIC_KEY_FILE.getAbsolutePath() + "-" + timestamp))) {
throw new GlusterRuntimeException("Unable to backup public key!");
}
}
// Extract SSH private and public key files.
ProcessResult output = ProcessUtil.executeCommand("tar", "xvf", uploadedFile.getAbsolutePath(), "-C",
SshUtil.SSH_AUTHORIZED_KEYS_DIR_LOCAL);
uploadedFile.delete();
if (!output.isSuccess()) {
String errMsg = "Error in importing SSH keys: [" + output.toString() + "]";
logger.error(errMsg);
throw new GlusterRuntimeException(errMsg);
}
return createdResponse("SSH Key imported successfully");
}
// save uploaded file to the file (with path)
private void writeToFile(InputStream inputStream, String toFile) {
try {
int read = 0;
byte[] bytes = new byte[1024];
OutputStream out = new FileOutputStream(new File(toFile));
while ((read = inputStream.read(bytes)) != -1) {
out.write(bytes, 0, read);
}
out.flush();
out.close();
} catch (IOException e) {
throw new GlusterRuntimeException(e.getMessage());
}
}
}
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