Java tutorial
// Copyright (C) GridGain Systems Licensed under GPLv3, http://www.gnu.org/licenses/gpl.html /* _________ _____ __________________ _____ * __ ____/___________(_)______ /__ ____/______ ____(_)_______ * _ / __ __ ___/__ / _ __ / _ / __ _ __ `/__ / __ __ \ * / /_/ / _ / _ / / /_/ / / /_/ / / /_/ / _ / _ / / / * \____/ /_/ /_/ \_,__/ \____/ \__,_/ /_/ /_/ /_/ */ package org.gridgain.grid.tools.license; import org.apache.commons.beanutils.*; import org.apache.commons.beanutils.converters.*; import org.gridgain.grid.*; import org.gridgain.grid.kernal.controllers.license.*; import org.gridgain.grid.kernal.controllers.license.impl.*; import org.gridgain.grid.typedef.*; import org.gridgain.grid.typedef.internal.*; import javax.xml.bind.*; import java.io.*; import java.security.*; import java.util.*; /** * GridGain license generator. * * @author 2012 Copyright (C) GridGain Systems * @version 4.0.2c.12042012 */ public class GridLicenseGeneratorV1 { /** Property key-value separator. */ private static final char SEPARATOR = '='; /** Default license version. */ private static final String LIC_VER = "1.0"; /** Default issue organization. */ private static final String ISSUE_ORG = "GridGain Systems"; /** Available parameters with mapping to license properties. */ private static final Map<String, String> params = new HashMap<String, String>(); /** Key store. */ private static final String KEY_STORE = "gglicense.store"; /** Key store password. */ private static final String KEY_STORE_PWD = "gr1dga1n"; /** Key alias. */ private static final String KEY_ALIAS = "gglicense"; /** Default license file name. */ private static final String DFLT_LIC_FILE_NAME = "gridgain-license.xml"; /** */ private static final String FS = File.separator; /** * Converter registration and parameters initialization. */ static { DateTimeConverter c = new DateConverter(); c.setPatterns(new String[] { "MM/dd/yyyy" }); ConvertUtils.register(c, Date.class); ConvertUtils.register(new AbstractConverter() { @SuppressWarnings({ "unchecked" }) @Override protected Object convertToType(Class cls, Object o) throws Throwable { assert GridLicenseType.class.isAssignableFrom(cls); assert o instanceof String; return Enum.valueOf(cls, (String) o); } @Override protected Class getDefaultType() { return GridLicenseType.class; } }, GridLicenseType.class); params.put("user-org", "userOrganization"); params.put("user-www", "userWww"); params.put("user-email", "userEmail"); params.put("type", "type"); params.put("expire-date", "expireDate"); params.put("issue-date", "issueDate"); params.put("max-nodes", "maxNodes"); params.put("max-cpus", "maxCpus"); params.put("file", null); } /** * Generate license by program parameters. * Example set of parameters: "user-org=User Organization" "user-www=www.user.org" * "user-email=info@user-org.org" "type=ENT" "issue-date=08/25/2011" "expire-date=08/26/2011" "max-cpus=40" * "max-nodes=40" * * @param args Program parameters. * @throws GridException If any exception occurs while license generating. */ public static void main(String[] args) throws GridException { Map<String, String> argMap = getArgumentsMap(args); if (argMap.isEmpty()) throw new GridException("User arguments cannot be empty."); GridLicenseV1 lic = buildLicense(argMap); saveLicense(lic, argMap); } /** * Ensures singleton. */ private GridLicenseGeneratorV1() { // No-op. } /** * Generates and saves license file. * * @param lic License. * @param args User arguments. * @throws GridException If any exception occurs while license generation or saving. */ private static void saveLicense(GridLicenseV1 lic, Map<String, String> args) throws GridException { assert lic != null; assert args != null; String path = args.get("file"); path = U.getGridGainHome() + FS + "keystore" + FS + (F.isEmpty(path) ? DFLT_LIC_FILE_NAME : path); try { Marshaller marsh = JAXBContext.newInstance(GridLicenseV1Adapter.class).createMarshaller(); marsh.setProperty("jaxb.encoding", "UTF-8"); marsh.setProperty("jaxb.formatted.output", true); marsh.marshal(lic, new File(path)); System.out.println("License was generated: " + path); } catch (Exception e) { throw new GridException("Failed to generate and store license in file: " + path, e); } } /** * Build license. * * @param args User arguments. * @return License. * @throws GridException If any exception occurs while license building. */ private static GridLicenseV1 buildLicense(Map<String, String> args) throws GridException { assert args != null; GridLicenseV1Adapter lic = new GridLicenseV1Adapter(); setUserArguments(lic, args); setSystemProperties(lic); return lic; } /** * Sets license user properties. * * @param lic License. * @param args User arguments. * @throws GridException If property set failed. */ private static void setUserArguments(GridLicenseV1Adapter lic, Map<String, String> args) throws GridException { assert lic != null; assert args != null; if (!F.isEmpty(args)) { for (Map.Entry<String, String> e : args.entrySet()) { String prop = params.get(e.getKey()); if (F.isEmpty(prop)) continue; String val = e.getValue(); assert !F.isEmpty(val); try { BeanUtils.setProperty(lic, prop, val); } catch (Exception ex) { throw new GridException("Failed to set property value [prop=" + prop + ", val=" + val + ']', ex); } } } } /** * Sets license system properties. * * @param lic License. * @throws GridException If property set failed. */ private static void setSystemProperties(GridLicenseV1Adapter lic) throws GridException { assert lic != null; lic.setId(UUID.randomUUID()); lic.setVersion(LIC_VER); lic.setIssueOrganization(ISSUE_ORG); if (lic.getIssueDate() == null) lic.setIssueDate(new Date()); try { lic.setSignature(GridLicenseUtil.createSignatureV1(getKey(), lic)); } catch (GeneralSecurityException e) { throw new GridException("Failed to create signature for license:" + lic, e); } } /** * Load private key from key store. * * @return Private key. * @throws GridException If key loading failed. */ private static PrivateKey getKey() throws GridException { KeyStore ks; try { ks = KeyStore.getInstance(KeyStore.getDefaultType()); } catch (Exception e) { throw new GridException("Failed to get key store instance.", e); } File ksFile = new File(U.getGridGainHome() + FS + "keystore", KEY_STORE); if (!ksFile.exists() || !ksFile.canRead()) throw new GridException("Key store file doesn't exist or is not readable: " + ksFile.getAbsolutePath()); InputStream in; try { in = new FileInputStream(ksFile); } catch (IOException e) { throw new GridException("Failed to open key store file: " + ksFile.getAbsolutePath(), e); } try { ks.load(in, KEY_STORE_PWD.toCharArray()); return (PrivateKey) ks.getKey(KEY_ALIAS, KEY_STORE_PWD.toCharArray()); } catch (Exception e) { throw new GridException("Failed to get private key from key store [keystore=" + KEY_STORE + ", alias=" + KEY_ALIAS + ']', e); } finally { U.close(in, null); } } /** * Gets arguments map from program arguments. * * @param args Program arguments. * @return Arguments map. * @throws GridException If any program argument is invalid. */ private static Map<String, String> getArgumentsMap(String[] args) throws GridException { if (F.isEmpty(args)) return Collections.emptyMap(); Map<String, String> map = new HashMap<String, String>(); for (String s : args) { int idx = s.indexOf(SEPARATOR); if (idx <= 0) throw new GridException("Invalid key-value argument in: " + s); String key = s.substring(0, idx); if (!params.containsKey(key)) throw new GridException("Unknown argument: " + key); if (map.containsKey(key)) throw new GridException("Duplicate argument: " + key); String val = s.substring(idx + 1); if (val.isEmpty()) throw new GridException("Argument value can't be empty in: " + s); map.put(key, val); } return map; } }