#0 feature - Added patch to create licenses

Roberto Sánchez

2014-07-17 e168a1dee09a0a539fe45b45452317c901a2ce97

#0 feature - Added patch to create licenses

 securis/pom.xml
..
..
@@ -46,6 +46,11 @@
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   		<artifactId>resteasy-jaxrs</artifactId>
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   		<version>3.0.5.Final</version>
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   	</dependency>
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+  	<dependency>
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+  		<groupId>net.curisit</groupId>
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+  		<artifactId>securis-client</artifactId>
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+  		<version>0.9.4-SNAPSHOT</version>
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+  	</dependency>
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   </dependencies>
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 	  <build>
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 		<plugins>
 securis/src/patch/java/net/curisit/securis/LicenseGenerator.java
..
..
@@ -0,0 +1,152 @@
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+package net.curisit.securis;
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+
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+import java.io.File;
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+import java.io.IOException;
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+import java.io.UnsupportedEncodingException;
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+import java.nio.file.Files;
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+import java.nio.file.Paths;
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+import java.nio.file.StandardOpenOption;
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+import java.security.InvalidKeyException;
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+import java.security.NoSuchAlgorithmException;
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+import java.security.Signature;
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+import java.security.SignatureException;
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+import java.security.spec.InvalidKeySpecException;
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+import java.text.MessageFormat;
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+import java.util.Date;
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+import java.util.Map;
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+import java.util.TreeMap;
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+
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+import net.curisit.securis.beans.LicenseBean;
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+import net.curisit.securis.beans.RequestBean;
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+import net.curisit.securis.beans.SignedLicenseBean;
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+import net.curisit.securis.utils.JsonUtils;
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+import net.curisit.securis.utils.SignatureHelper;
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+
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+import org.apache.commons.net.util.Base64;
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+import org.apache.logging.log4j.LogManager;
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+import org.apache.logging.log4j.Logger;
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+
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+/**
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+ * License generator and signer
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+ * 
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+ * @author roberto <roberto.sanchez@curisit.net>
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+ */
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+public class LicenseGenerator {
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+
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+	private static final Logger log = LogManager.getLogger(LicenseGenerator.class);
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+
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+	private static LicenseGenerator singleton = new LicenseGenerator();
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+
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+	private LicenseGenerator() {
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+	}
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+
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+	public static LicenseGenerator getInstance() {
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+		return singleton;
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+	}
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+
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+	/**
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+	 * Generate a license bean with the specified data
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+	 * 
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+	 * @param hw
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+	 * @param customerCode
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+	 *            - e.g: "BP"
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+	 * @param maxInstances
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+	 * @param maxUsers
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+	 * @param maxTimeThreshold
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+	 *            Max time between synchronizations expressed in days
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+	 * @return
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+	 * @throws SeCurisException
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+	 */
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+	public LicenseBean generateLicense(RequestBean req, Map<String, Object> metadata, Date expirationDate, String licenseType, String licenseCode) throws SeCurisException {
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+		log.info(MessageFormat.format("Generating license: MAC: {0}, Customer code: {1}, AppCode: {2}", req.getMacAddresses(), req.getCustomerCode(), req.getAppCode()));
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+		LicenseBean license = new LicenseBean(req);
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+		license.setLicenseType(licenseType);
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+		license.setLicenseCode(licenseCode);
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+		license.setExpirationDate(expirationDate);
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+		license.setMetadata(metadata);
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+		sign(license);
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+
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+		return license;
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+	}
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+
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+	/**
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+	 * Generate a license file using a {@link LicenseBean}
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+	 * 
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+	 * @param license
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+	 * @param file
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+	 * @throws SeCurisException
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+	 */
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+	public void save(LicenseBean license, File file) throws SeCurisException {
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+		SignedLicenseBean signedLic = new SignedLicenseBean(license);
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+		byte[] json;
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+		try {
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+			json = JsonUtils.toJSON(signedLic, true).getBytes("utf-8");
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+			Files.write(Paths.get(file.toURI()), json, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
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+		} catch (UnsupportedEncodingException e) {
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+			log.error("Error creating json doc from license: " + license, e);
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+			throw new SeCurisException("Error creating json doc from license: " + license, e);
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+		} catch (IOException e) {
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+			log.error("Error creating license file: " + file, e);
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+			throw new SeCurisException("Error creating json doc from license: " + license, e);
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+		}
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+
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+		log.info("License saved in {}", file);
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+
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+	}
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+
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+	/**
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+	 * TODO: This method should be removed from client code.
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+	 * 
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+	 * @param licBean
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+	 * @return
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+	 * @throws NoSuchAlgorithmException
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+	 * @throws IOException
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+	 * @throws InvalidKeySpecException
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+	 * @throws InvalidKeyException
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+	 * @throws SignatureException
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+	 */
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+	public String sign(LicenseBean licBean) throws SeCurisException {
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+		SignatureHelper sh = SignatureHelper.getInstance();
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+
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+		Signature signature;
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+		try {
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+			signature = Signature.getInstance(SignatureHelper.SIGNATURE_GENERATION_ALGORITHM);
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+			signature.initSign(sh.generatePrivateKey(new File("/Users/cproberto/Documents/wsPython/doky/tests/securis_private_key.pkcs8")));
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+
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+			sh.prepareSignature(signature, licBean);
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+
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+			byte[] signatureData = signature.sign();
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+			licBean.setSignature(Base64.encodeBase64String(signatureData));
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+			return licBean.getSignature();
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+		} catch (NoSuchAlgorithmException e) {
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+			log.error("Error signing license for " + licBean, e);
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+		} catch (InvalidKeyException e) {
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+			log.error("Error signing license for " + licBean, e);
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+		} catch (InvalidKeySpecException e) {
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+			log.error("Error signing license for " + licBean, e);
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+		} catch (IOException e) {
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+			log.error("Error signing license for " + licBean, e);
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+		} catch (SignatureException e) {
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+			log.error("Error signing license for " + licBean, e);
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+		}
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+		throw new SeCurisException("License could not be generated");
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+	}
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+
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+	public static void main(String[] args) throws SeCurisException {
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+		Paths.get(new File("/Users/cproberto/Documents/wsCurisIT/SeCurisClient/license.req").toURI());
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+
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+		RequestBean req = ReqGenerator.getInstance().loadRequest(new File("/Users/cproberto/Downloads/license-2.req"));
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+		Map<String, Object> metadata = new TreeMap<>();
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+		metadata.put("maxUsers", 0);
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+		metadata.put("maxInstances", 0);
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+		metadata.put("timeThreshold", 0);
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+		metadata.put("datasetPrefix", "BP");
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+		metadata.put("extendedMode", true);
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+
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+		LicenseBean lic = LicenseGenerator.getInstance().generateLicense(req, metadata, new Date(new Date().getTime() + 3600 * 1000), "CI-CS-01", "LIC-CESAR-00001");
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+		LicenseGenerator.getInstance().save(lic, new File("/Users/cproberto/Desktop/license_cesar.lic"));
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+
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+		System.out.print("os.arch: " + System.getProperty("os.arch") + " " + System.getProperty("os.name"));
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+
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+	}
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+}