Add back support for getXIfChanged(Y, tag)

This commit is contained in:
Paul Schaub 2022-08-24 13:04:28 +02:00
parent d050cb5516
commit 27f4598437
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
15 changed files with 423 additions and 101 deletions

View file

@ -5,12 +5,17 @@
package pgp.cert_d;
import org.bouncycastle.util.io.Streams;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import pgp.cert_d.backend.FileBasedCertificateDirectoryBackend;
import pgp.cert_d.dummy.TestKeyMaterialMerger;
import pgp.cert_d.dummy.TestKeyMaterialReaderBackend;
import pgp.cert_d.subkey_lookup.InMemorySubkeyLookup;
import pgp.certificate_store.certificate.Certificate;
import pgp.certificate_store.certificate.Key;
import pgp.certificate_store.certificate.KeyMaterial;
import pgp.certificate_store.certificate.KeyMaterialMerger;
import pgp.certificate_store.exception.BadDataException;
import pgp.certificate_store.exception.BadNameException;
import pgp.certificate_store.exception.NotAStoreException;
@ -18,6 +23,7 @@ import pgp.certificate_store.exception.NotAStoreException;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
@ -30,6 +36,7 @@ import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
@ -37,6 +44,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
public class PGPCertificateDirectoryTest {
@SuppressWarnings("CharsetObjectCanBeUsed")
private static final Charset UTF8 = Charset.forName("UTF8");
private static final String HARRY_KEY = "-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +
@ -143,7 +151,10 @@ public class PGPCertificateDirectoryTest {
"-----END PGP PUBLIC KEY BLOCK-----\n";
private static final String CEDRIC_FP = "5e75bf20646bc1a98d3b1bc2fe9cd472987c4021";
private static Stream<PGPCertificateDirectory> provideTestSubjects() throws IOException, NotAStoreException {
private static final KeyMaterialMerger merger = new TestKeyMaterialMerger();
private static Stream<PGPCertificateDirectory> provideTestSubjects()
throws IOException, NotAStoreException {
PGPCertificateDirectory inMemory = PGPCertificateDirectories.inMemoryCertificateDirectory(
new TestKeyMaterialReaderBackend());
@ -159,18 +170,19 @@ public class PGPCertificateDirectoryTest {
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void lockDirectoryAndInsertWillFail(PGPCertificateDirectory directory) throws IOException, InterruptedException, BadDataException {
public void lockDirectoryAndInsertWillFail(PGPCertificateDirectory directory)
throws IOException, InterruptedException, BadDataException {
// Manually lock the dir
assertFalse(directory.backend.getLock().isLocked());
directory.backend.getLock().lockDirectory();
assertTrue(directory.backend.getLock().isLocked());
assertFalse(directory.backend.getLock().tryLockDirectory());
Certificate inserted = directory.tryInsert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), new TestKeyMaterialMerger());
Certificate inserted = directory.tryInsert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
assertNull(inserted);
directory.backend.getLock().releaseDirectory();
inserted = directory.tryInsert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), new TestKeyMaterialMerger());
inserted = directory.tryInsert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
assertNotNull(inserted);
}
@ -188,7 +200,7 @@ public class PGPCertificateDirectoryTest {
ByteArrayInputStream bytesIn = new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8));
Certificate certificate = directory.insert(bytesIn, new TestKeyMaterialMerger());
Certificate certificate = directory.insert(bytesIn, merger);
assertEquals(CEDRIC_FP, certificate.getFingerprint(), "Fingerprint of inserted cert MUST match");
Certificate get = directory.getByFingerprint(CEDRIC_FP);
@ -207,7 +219,7 @@ public class PGPCertificateDirectoryTest {
assertNull(directory.getTrustRoot());
KeyMaterial trustRootMaterial = directory.insertTrustRoot(
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), new TestKeyMaterialMerger());
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
assertNotNull(trustRootMaterial);
assertTrue(trustRootMaterial instanceof Key);
assertEquals(HARRY_FP, trustRootMaterial.getFingerprint());
@ -217,8 +229,8 @@ public class PGPCertificateDirectoryTest {
Certificate trustRootCert = directory.getTrustRootCertificate();
assertEquals(HARRY_FP, trustRootCert.getFingerprint());
directory.tryInsert(new ByteArrayInputStream(RON_CERT.getBytes(UTF8)), new TestKeyMaterialMerger());
directory.insert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), new TestKeyMaterialMerger());
directory.tryInsert(new ByteArrayInputStream(RON_CERT.getBytes(UTF8)), merger);
directory.insert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
Set<String> expected = new HashSet<>(Arrays.asList(RON_FP, CEDRIC_FP));
@ -230,4 +242,104 @@ public class PGPCertificateDirectoryTest {
assertEquals(expected, actual);
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void testGetTrustRootIfChanged(PGPCertificateDirectory directory)
throws BadDataException, IOException, InterruptedException {
KeyMaterial trustRootMaterial = directory.insertTrustRoot(
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
assertNotNull(trustRootMaterial.getTag());
Long tag = trustRootMaterial.getTag();
assertNull(directory.getTrustRootCertificateIfChanged(tag));
assertNotNull(directory.getTrustRootCertificateIfChanged(tag + 1));
Long oldTag = tag;
// "update" key
trustRootMaterial = directory.insertTrustRoot(
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
tag = trustRootMaterial.getTag();
assertNotEquals(oldTag, tag);
assertNotNull(directory.getTrustRootCertificateIfChanged(oldTag));
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void testGetBySpecialNameIfChanged(PGPCertificateDirectory directory)
throws BadDataException, IOException, InterruptedException, BadNameException {
KeyMaterial specialName = directory.insertWithSpecialName(SpecialNames.TRUST_ROOT,
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
assertNotNull(specialName.getTag());
Long tag = specialName.getTag();
assertNull(directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, tag));
assertNotNull(directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, tag + 1));
Long oldTag = tag;
// "update" key
specialName = directory.insertWithSpecialName(SpecialNames.TRUST_ROOT,
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
tag = specialName.getTag();
assertNotEquals(oldTag, tag);
assertNotNull(directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, oldTag));
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void testGetByFingerprintIfChanged(PGPCertificateDirectory directory)
throws BadDataException, IOException, InterruptedException, BadNameException {
Certificate certificate = directory.insert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
Long tag = certificate.getTag();
assertNotNull(tag);
assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
assertNotNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag + 1));
Long oldTag = tag;
// "update" cert
certificate = directory.insert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
tag = certificate.getTag();
assertNotEquals(oldTag, tag);
assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
assertNotNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), oldTag));
}
@Test
public void testFileBasedCertificateDirectoryTagChangesWhenFileChanges() throws IOException, NotAStoreException, BadDataException, InterruptedException, BadNameException {
File tempDir = Files.createTempDirectory("file-based-changes").toFile();
tempDir.deleteOnExit();
PGPCertificateDirectory directory = PGPCertificateDirectories.fileBasedCertificateDirectory(
new TestKeyMaterialReaderBackend(),
tempDir,
new InMemorySubkeyLookup());
FileBasedCertificateDirectoryBackend.FilenameResolver resolver =
new FileBasedCertificateDirectoryBackend.FilenameResolver(tempDir);
// Insert certificate
Certificate certificate = directory.insert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
Long tag = certificate.getTag();
assertNotNull(tag);
assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
Long oldTag = tag;
// Change the file on disk directly, this invalidates the tag due to changed modification date
File certFile = resolver.getCertFileByFingerprint(certificate.getFingerprint());
FileOutputStream fileOut = new FileOutputStream(certFile);
Streams.pipeAll(certificate.getInputStream(), fileOut);
fileOut.close();
// Old invalidated tag indicates a change, so the modified certificate is returned
certificate = directory.getByFingerprintIfChanged(certificate.getFingerprint(), oldTag);
assertNotNull(certificate);
// new tag is valid
tag = certificate.getTag();
assertNotEquals(oldTag, tag);
assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
}
}

View file

@ -2,7 +2,7 @@
//
// SPDX-License-Identifier: Apache-2.0
package pgp.cert_d;
package pgp.cert_d.dummy;
import pgp.certificate_store.certificate.KeyMaterial;
import pgp.certificate_store.certificate.KeyMaterialMerger;

View file

@ -2,7 +2,7 @@
//
// SPDX-License-Identifier: Apache-2.0
package pgp.cert_d;
package pgp.cert_d.dummy;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPKeyRing;
@ -33,24 +33,22 @@ public class TestKeyMaterialReaderBackend implements KeyMaterialReaderBackend {
KeyFingerPrintCalculator fpCalc = new BcKeyFingerprintCalculator();
@Override
public KeyMaterial read(InputStream data) throws IOException, BadDataException {
public KeyMaterial read(InputStream data, Long tag) throws IOException, BadDataException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
Streams.pipeAll(data, out);
try {
Key key = readKey(new ByteArrayInputStream(out.toByteArray()));
return key;
return readKey(new ByteArrayInputStream(out.toByteArray()), tag);
} catch (IOException | PGPException e) {
try {
Certificate certificate = readCertificate(new ByteArrayInputStream(out.toByteArray()));
return certificate;
return readCertificate(new ByteArrayInputStream(out.toByteArray()), tag);
} catch (IOException e1) {
throw new BadDataException();
}
}
}
private Key readKey(InputStream inputStream) throws IOException, PGPException {
private Key readKey(InputStream inputStream, Long tag) throws IOException, PGPException {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
Streams.pipeAll(inputStream, buffer);
inputStream.close();
@ -60,64 +58,21 @@ public class TestKeyMaterialReaderBackend implements KeyMaterialReaderBackend {
PGPSecretKeyRing secretKeys = new PGPSecretKeyRing(decoderStream, fpCalc);
PGPPublicKeyRing cert = extractCert(secretKeys);
ByteArrayInputStream encoded = new ByteArrayInputStream(cert.getEncoded());
Certificate certificate = readCertificate(encoded);
Certificate certificate = readCertificate(encoded, tag);
return new Key() {
@Override
public Certificate getCertificate() {
return certificate;
}
@Override
public String getFingerprint() {
return certificate.getFingerprint();
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(buffer.toByteArray());
}
@Override
public String getTag() throws IOException {
return null;
}
@Override
public List<Long> getSubkeyIds() throws IOException {
return certificate.getSubkeyIds();
}
};
return new Key(buffer.toByteArray(), certificate, tag);
}
private Certificate readCertificate(InputStream inputStream) throws IOException {
private Certificate readCertificate(InputStream inputStream, Long tag) throws IOException {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
Streams.pipeAll(inputStream, buffer);
ByteArrayInputStream in = new ByteArrayInputStream(buffer.toByteArray());
InputStream decoderStream = PGPUtil.getDecoderStream(in);
PGPPublicKeyRing cert = new PGPPublicKeyRing(decoderStream, fpCalc);
return new Certificate() {
@Override
public String getFingerprint() {
return Hex.toHexString(cert.getPublicKey().getFingerprint()).toLowerCase();
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(buffer.toByteArray());
}
@Override
public String getTag() throws IOException {
return null;
}
@Override
public List<Long> getSubkeyIds() throws IOException {
return TestKeyMaterialReaderBackend.getSubkeyIds(cert);
}
};
String fingerprint = Hex.toHexString(cert.getPublicKey().getFingerprint()).toLowerCase();
List<Long> subKeyIds = getSubkeyIds(cert);
return new Certificate(buffer.toByteArray(), fingerprint, subKeyIds, tag);
}
private PGPPublicKeyRing extractCert(PGPSecretKeyRing secretKeys) {
@ -126,8 +81,7 @@ public class TestKeyMaterialReaderBackend implements KeyMaterialReaderBackend {
while (publicKeyIterator.hasNext()) {
publicKeyList.add(publicKeyIterator.next());
}
PGPPublicKeyRing publicKeyRing = new PGPPublicKeyRing(publicKeyList);
return publicKeyRing;
return new PGPPublicKeyRing(publicKeyList);
}
private static List<Long> getSubkeyIds(PGPKeyRing keyRing) {