de.micromata.mgc.application.webserver.config.KeyTool.java Source code

Introduction

Here is the source code for de.micromata.mgc.application.webserver.config.KeyTool.java

Source

//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.mgc.application.webserver.config;

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.TimeUnit;

import org.apache.commons.lang3.StringUtils;

import de.micromata.genome.util.validation.ValContext;

public class KeyTool {
    public static void generateKey(ValContext ctx, File keyFile, String storePass, String keyAlias) {
        String[] args = { "keytool", "-genkey", "-alias", keyAlias, "-keyalg", "RSA", "-keystore",
                keyFile.getAbsolutePath(), "-keysize", "2048", "-keypass", storePass, "-storepass", storePass,
                "-dname", "cn=Launcher, ou=MGC, o=Microamta, c=DE" };
        StringBuilder oksb = new StringBuilder();
        oksb.append("Execute: " + StringUtils.join(args, " "));
        try {
            ProcessBuilder pb = new ProcessBuilder(args);
            pb.redirectErrorStream(true);
            Process process = pb.start();
            InputStream is = process.getInputStream();
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String line;
            while ((line = br.readLine()) != null) {
                oksb.append(line);
            }
            boolean success = process.waitFor(5, TimeUnit.SECONDS);
            if (success == false) {
                ctx.directError(null, "Fail to wait for keytool");
            } else {
                int exitValue = process.exitValue();
                if (exitValue == 0) {
                    oksb.append("\nSuccess");
                    ctx.directInfo(null, oksb.toString());
                } else {
                    ctx.directError(null, oksb.toString());
                    ctx.directError(null, "Failure executing keytool. ReturnCode: " + exitValue);
                }
            }
        } catch (Exception ex) {
            ctx.directError(null, "Failure executing keytool: " + ex.getMessage(), ex);
        }
    }
}