com.uumai.crawer.util.license.LicenseValidateHelper.java Source code

Introduction

Here is the source code for com.uumai.crawer.util.license.LicenseValidateHelper.java

Source

package com.uumai.crawer.util.license;

/**
 * Created by rock on 12/23/15.
 */

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;

import com.uumai.crawer.util.UumaiProperties;
import com.verhas.licensor.License;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

public class LicenseValidateHelper {

    private static final String license_file = UumaiProperties.getUUmaiHome() + "/licenses/uumai.license";
    private static final String pubring_file = UumaiProperties.getUUmaiHome() + "/licenses/pubring.gpg";

    public LicenseValidateHelper() {

    }

    public LicenseInfo validate() throws Exception {

        File licenseFile = new File(license_file);
        if (!licenseFile.exists())
            throw new Exception("didn't detect license file from:" + license_file);
        File pubkeyFile = new File(pubring_file);
        if (!pubkeyFile.exists())
            throw new Exception("didn't detect public key file from:" + pubring_file);

        // licence ?
        License license = new License();

        if (license.loadKeyRing(pubring_file, null).setLicenseEncodedFromFile(license_file).isVerified()) {
            //                System.out.println(license.getFeature("edition"));
            //                System.out.println(license.getFeature("valid-until"));
            //                System.out.println(license.getFeature("distribute-pi-count"));
            LicenseInfo licenseInfo = new LicenseInfo();
            licenseInfo.setUser(license.getFeature("user"));
            licenseInfo.setCompany(license.getFeature("company"));
            licenseInfo.setEmail(license.getFeature("email"));
            licenseInfo.setEdition(license.getFeature("edition"));
            licenseInfo.setRelease_version(license.getFeature("release-version"));
            licenseInfo.setValid_until(license.getFeature("valid-until"));
            licenseInfo.setDistribute_pi_count(license.getFeature("distribute-pi-count"));

            validateInfo(licenseInfo);

            return licenseInfo;
        }

        throw new Exception("unknown license check error! quit...");
    }

    private void validateInfo(LicenseInfo licenseInfo) throws Exception {
        //just check validate time
        DateTime in = new DateTime();

        DateTimeFormatter joda_fmt = DateTimeFormat.forPattern("yyyy.MM.dd");//?
        DateTime license_time = joda_fmt.parseDateTime(licenseInfo.getValid_until());

        if (!in.isBefore(license_time))
            throw new Exception("license has expiried. please contact uumai!");

    }

    public static void main(String[] args) throws Exception {
        LicenseValidateHelper licenseValidateHelper = new LicenseValidateHelper();
        licenseValidateHelper.validate();
    }
}