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https://github.com/mitb-archive/filebot
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Refactor
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parent
749e614d50
commit
6f481c0102
@ -8,7 +8,6 @@ import static net.filebot.util.RegularExpressions.*;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.Serializable;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.StandardCopyOption;
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@ -19,55 +18,118 @@ import java.time.ZonedDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Optional;
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import org.apache.commons.io.IOUtils;
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import net.filebot.util.SystemProperty;
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import net.filebot.web.WebRequest;
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public class License implements Serializable {
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public class License {
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private String product;
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private String id;
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private Instant expires;
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private final String product;
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private final String id;
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private final Instant expires;
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private Exception error;
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private final Exception error;
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private License(String product, String id, Instant expires) {
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this.product = product;
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this.id = id;
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this.expires = expires;
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this.error = null;
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}
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private License(Exception error) {
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this.product = null;
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this.id = null;
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this.expires = null;
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this.error = error;
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}
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public boolean expires() {
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return expires != null;
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}
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public boolean error() {
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return error != null;
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}
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public License check() throws Exception {
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if (error()) {
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throw error;
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}
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if (expires()) {
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checkExpirationDate(expires);
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}
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return this;
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}
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@Override
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public String toString() {
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// FileBot License T1000
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StringBuilder s = new StringBuilder().append(product).append(" License ").append(id);
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// Valid-Until: 2019-07-04
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if (expires()) {
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s.append(" (Valid-Until: ").append(formatExpirationDate(expires)).append(")");
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}
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return s.toString();
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}
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public static License parseLicenseFile(File file) {
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if (!file.exists()) {
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return new License(new FileNotFoundException("UNREGISTERED"));
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}
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public License(File file) {
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try {
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// read and verify license file
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if (!file.exists()) {
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throw new FileNotFoundException("UNREGISTERED");
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}
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byte[] bytes = Files.readAllBytes(file.toPath());
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// verify and get clear signed content
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Map<String, String> properties = getProperties(bytes);
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this.product = properties.get("Product");
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this.id = properties.get("Order");
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this.expires = LocalDate.parse(properties.get("Valid-Until"), DateTimeFormatter.ISO_LOCAL_DATE).atStartOfDay(ZoneOffset.UTC).plusDays(1).minusSeconds(1).toInstant();
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String product = properties.get("Product");
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String id = properties.get("Order");
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Instant expires = Optional.ofNullable(properties.get("Valid-Until")).map(License::parseExpirationDate).orElse(null);
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// check validity
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checkExpirationDate(expires);
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// verify license online
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verifyLicense(bytes);
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} catch (Exception e) {
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error = e;
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verifyLicense(id, bytes);
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return new License(product, id, expires);
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} catch (Exception error) {
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return new License(error);
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}
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}
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private String getExpirationDate() {
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return expires == null ? null : expires.atZone(ZoneOffset.UTC).format(DateTimeFormatter.ISO_LOCAL_DATE);
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}
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private Map<String, String> getProperties(byte[] bytes) throws Exception {
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byte[] pub = IOUtils.toByteArray(getClass().getResource("license.key"));
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private static Map<String, String> getProperties(byte[] bytes) throws Exception {
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byte[] pub = IOUtils.toByteArray(License.class.getResource("license.key"));
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String msg = verifyClearSignMessage(bytes, pub);
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return NEWLINE.splitAsStream(msg).map(s -> s.split(": ", 2)).collect(toMap(a -> a[0], a -> a[1]));
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}
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private void verifyLicense(byte[] bytes) throws Exception {
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private static Instant parseExpirationDate(String date) {
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return LocalDate.parse(date, DateTimeFormatter.ISO_LOCAL_DATE).atStartOfDay(ZoneOffset.UTC).plusDays(1).minusSeconds(1).toInstant();
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}
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private static String formatExpirationDate(Instant expires) {
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return expires.atZone(ZoneOffset.UTC).format(DateTimeFormatter.ISO_LOCAL_DATE);
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}
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private static void checkExpirationDate(Instant expires) throws Exception {
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if (expires != null && Instant.now().isAfter(expires)) {
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throw new IllegalStateException("EXPIRED since " + formatExpirationDate(expires));
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}
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}
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private static void verifyLicense(String id, byte[] bytes) throws Exception {
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Cache cache = CacheManager.getInstance().getCache("license", CacheType.Persistent);
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Object json = cache.json(id, i -> new URL("https://license.filebot.net/verify/" + i)).fetch((url, modified) -> WebRequest.post(url, bytes, "application/octet-stream", getRequestParameters())).expire(Cache.ONE_MONTH).get();
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@ -76,7 +138,7 @@ public class License implements Serializable {
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}
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}
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private Map<String, String> getRequestParameters() {
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private static Map<String, String> getRequestParameters() {
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Map<String, String> parameters = new HashMap<String, String>(2);
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// add standard HTTP headers
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@ -89,31 +151,14 @@ public class License implements Serializable {
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return parameters;
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}
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public License check() throws Exception {
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if (error != null) {
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throw error;
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}
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if (Instant.now().isAfter(expires)) {
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throw new IllegalStateException("EXPIRED since " + getExpirationDate());
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}
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return this;
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}
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@Override
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public String toString() {
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return String.format("%s License %s (Valid-Until: %s)", product, id, getExpirationDate());
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}
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public static final SystemProperty<File> FILE = SystemProperty.of("net.filebot.license", File::new, ApplicationFolder.AppData.resolve("license.txt"));
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public static final MemoizedResource<License> INSTANCE = Resource.lazy(() -> new License(FILE.get()));
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public static final MemoizedResource<License> INSTANCE = Resource.lazy(() -> parseLicenseFile(FILE.get()));
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public static License importLicenseFile(File file) throws Exception {
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// lock memoized resource while validating and setting a new license
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synchronized (License.INSTANCE) {
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// check if license file is valid and not expired
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License license = new License(file).check();
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License license = parseLicenseFile(file).check();
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// write to default license file path
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Files.copy(file.toPath(), License.FILE.get().toPath(), StandardCopyOption.REPLACE_EXISTING);
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