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Code Issues Releases Wiki Activity

Refactor license parser

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This commit is contained in:
Reinhard Pointner 2018-12-01 14:00:50 +07:00
parent 671703adb2
commit e3877dcffb
2 changed files with 41 additions and 12 deletions
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18
source/net/filebot/License.java
View File

@ -1,5 +1,6 @@
package net.filebot;
import static java.nio.charset.StandardCharsets.*;
import static java.util.stream.Collectors.*;
import static net.filebot.Settings.*;
import static net.filebot.util.JsonUtilities.*;
@ -20,8 +21,6 @@ import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import org.apache.commons.io.IOUtils;
import net.filebot.util.SystemProperty;
import net.filebot.web.WebRequest;
@ -88,10 +87,10 @@ public class License {
}
// read and verify license file
byte[] bytes = Files.readAllBytes(file.toPath());
String psm = findClearSignMessage(file);
// verify and get clear signed content
Map<String, String> properties = getProperties(bytes);
Map<String, String> properties = getProperties(psm);
String product = properties.get("Product");
String id = properties.get("Order");
@ -101,7 +100,7 @@ public class License {
checkExpirationDate(expires);
// verify license online
verifyLicense(id, bytes);
verifyLicense(id, psm);
return new License(product, id, expires);
} catch (Exception error) {
@ -109,9 +108,8 @@ public class License {
}
}
private static Map<String, String> getProperties(byte[] bytes) throws Exception {
byte[] pub = IOUtils.toByteArray(License.class.getResource("license.key"));
String msg = verifyClearSignMessage(bytes, pub);
private static Map<String, String> getProperties(String psm) throws Exception {
String msg = verifyClearSignMessage(psm, License.class.getResourceAsStream("license.key"));
return NEWLINE.splitAsStream(msg).map(s -> s.split(": ", 2)).collect(toMap(a -> a[0], a -> a[1]));
}
@ -130,9 +128,9 @@ public class License {
}
}
private static void verifyLicense(String id, byte[] bytes) throws Exception {
private static void verifyLicense(String id, String psm) throws Exception {
Cache cache = CacheManager.getInstance().getCache("license", CacheType.Persistent);
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();
Object json = cache.json(id, i -> new URL("https://license.filebot.net/verify/" + i)).fetch((url, modified) -> WebRequest.post(url, psm.getBytes(UTF_8), "application/octet-stream", getRequestParameters())).expire(Cache.ONE_MONTH).get();
if (getInteger(json, "status") != 200) {
throw new IllegalStateException(getString(json, "message"));

35
source/net/filebot/util/PGP.java
View File

@ -5,6 +5,15 @@ import static java.util.stream.Collectors.*;
import static net.filebot.util.RegularExpressions.*;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Optional;
import java.util.Scanner;
import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.bouncycastle.bcpg.ArmoredInputStream;
import org.bouncycastle.openpgp.PGPException;
@ -18,8 +27,8 @@ import org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider;
public class PGP {
public static String verifyClearSignMessage(byte[] psm, byte[] pub) throws Exception {
ArmoredInputStream armoredInput = new ArmoredInputStream(new ByteArrayInputStream(psm));
public static String verifyClearSignMessage(String psm, InputStream pub) throws Exception {
ArmoredInputStream armoredInput = new ArmoredInputStream(new ByteArrayInputStream(psm.getBytes(UTF_8)));
// read content
ByteBufferOutputStream content = new ByteBufferOutputStream(256);
@ -51,4 +60,26 @@ public class PGP {
return clearSignMessage;
}
private static final Pattern PGP_SIGNED_MESSAGE = Pattern.compile("-----BEGIN PGP SIGNED MESSAGE-----(.*?)-----END PGP SIGNATURE-----", Pattern.MULTILINE | Pattern.DOTALL);
public static String findClearSignMessage(CharSequence content) {
Matcher matcher = PGP_SIGNED_MESSAGE.matcher(content);
if (matcher.find()) {
return matcher.group();
}
throw new IllegalArgumentException("PGP SIGNED MESSAGE not found");
}
public static String findClearSignMessage(File file) throws IOException {
try (Scanner scanner = new Scanner(new FileInputStream(file), UTF_8)) {
Optional<MatchResult> match = scanner.findAll(PGP_SIGNED_MESSAGE).findFirst();
if (match.isPresent()) {
return match.get().group();
}
}
throw new IllegalArgumentException("PGP SIGNED MESSAGE not found");
}
}