cert-d-java/pgp-cert-d-java/src/test/java/pgp/cert_d/PGPCertificateDirectoryTest...

346 lines
18 KiB
Java

// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
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;
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;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
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;
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" +
"Comment: 2357 8FD1 7F20 7FDF 62F7 976C 4E9D 9891 7AD8 4522\n" +
"Comment: Harry Potter <harry@potter.more>\n" +
"\n" +
"xVgEYwTP0hYJKwYBBAHaRw8BAQdAPVcWeaMiUVG+vECWpoytSoF3wNJQG/JsnCbj\n" +
"uQtv0REAAP0cS3GCmrIMO/FqNm1FG1mKw4P+mvZ1JBFILN7Laooq7A/QwsARBB8W\n" +
"CgCDBYJjBM/SBYkFn6YAAwsJBwkQTp2YkXrYRSJHFAAAAAAAHgAgc2FsdEBub3Rh\n" +
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"AC1zAP0e2qRXH4zCnjvdYwGP0tIY3dwBsm1bvk+wVFHm8h68iwEAh2uyyQ+O5iQH\n" +
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"0w6rHCn2DiTT8pxjefGQEW7CwMUEGBYKATcFgmMEz9IFiQWfpgAJEE6dmJF62EUi\n" +
"RxQAAAAAAB4AIHNhbHRAbm90YXRpb25zLnNlcXVvaWEtcGdwLm9yZ+HPX0u5kyKR\n" +
"5IwErbomgGKVCGuvR6oSKc7CDQYMJS9eApsCvqAEGRYKAG8FgmMEz9IJEKk0hrvR\n" +
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"DNj4qcvuCJJ2agAM1tA22WMPpQQeA5CCgwcWIQQjV4/RfyB/32L3l2xOnZiRethF\n" +
"IgAAsWEA/RfOKexMYEtzlpM71MB9SL+emHXf+w1TNAvBxrifU8bMAPoDmWHkWjZQ\n" +
"N6upbHKssRywPLKCMPLnFYtBNxDrMYr0BMddBGMEz9ISCisGAQQBl1UBBQEBB0CR\n" +
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"fkxmV5zap3wIemzW4iabNU2VbWJbEBALwsAGBBgWCgB4BYJjBM/SBYkFn6YACRBO\n" +
"nZiRethFIkcUAAAAAAAeACBzYWx0QG5vdGF0aW9ucy5zZXF1b2lhLXBncC5vcmdx\n" +
"uRLJ/h81azzvGn5zgJ+jdfkdM6iO+f1CLgfnHUH9ugKbDBYhBCNXj9F/IH/fYveX\n" +
"bE6dmJF62EUiAACObgEAk4whKEo2nzpWht65tpFjrEXdakj00mA/P612P2CUdPQB\n" +
"ANNn+VUiu9rtnLcP4NlaUVOwsgN7yyed0orbmG1VvSMF\n" +
"=cBAn\n" +
"-----END PGP PRIVATE KEY BLOCK-----\n";
private static final String HARRY_FP = "23578fd17f207fdf62f7976c4e9d98917ad84522";
private static final String RON_CERT = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n" +
"Comment: B798 AF18 6BFE 4C19 902D 4950 5647 F001 37EF 4C41\n" +
"Comment: Ron Weasley <ron@weasley.burrow>\n" +
"\n" +
"xjMEYwTRXBYJKwYBBAHaRw8BAQdAPHyiu4nwvo3OY3wLG1tUmS6qeTeT1zd3BrL+\n" +
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"CLm6O+K27EQPiCf2cW71QnQ0RunupgMVCggCmQECmwECHgEWIQS3mK8Ya/5MGZAt\n" +
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"Ar6gBBkWCgBvBYJjBNFcCRCuGMJD3GUsUUcUAAAAAAAeACBzYWx0QG5vdGF0aW9u\n" +
"cy5zZXF1b2lhLXBncC5vcmcUTns9+sw7XKKO5ZOYQninRAchypKHbqV2LinV46Hi\n" +
"bxYhBI+SjTgn0fulukOYj64YwkPcZSxRAADZtAEApse3UJi1iuSFvnyXxuYIOm4d\n" +
"0sOaOtd18venqfWGyX4BALf7T7LknMY688vaW6/xkw2fonG6Y5VxreIHlMZAcX0H\n" +
"FiEEt5ivGGv+TBmQLUlQVkfwATfvTEEAAFQ3AQCGSLEt8wgJZXlljPdk1eQ3uvW3\n" +
"VHryNAc3/vbSOvByFAD/WKXY8Pqki2r9XVUW33Q88firoiKVuGmBxklEG3ACjALO\n" +
"OARjBNFcEgorBgEEAZdVAQUBAQdARnMlx3ST0EHPiErN7lOF+lhtJ8FmW9arc46u\n" +
"sHFMgUMDAQgHwsAGBBgWCgB4BYJjBNFcBYkFn6YACRBWR/ABN+9MQUcUAAAAAAAe\n" +
"ACBzYWx0QG5vdGF0aW9ucy5zZXF1b2lhLXBncC5vcmfv1PKQX1GMihAdj3ftW/yS\n" +
"bnPYdE+0h5rGCuhYl7sjaQKbDBYhBLeYrxhr/kwZkC1JUFZH8AE370xBAABWugEA\n" +
"rWOEHQjzoQkxxsErVEVZjqr05SLMmo6+HMJ/4Sgur10A/0+4FSbaKKNGiCnCMRsZ\n" +
"BEswoD99mUaBXl1nPH+Hg38O\n" +
"=+pb5\n" +
"-----END PGP PUBLIC KEY BLOCK-----\n";
private static final String RON_FP = "b798af186bfe4c19902d49505647f00137ef4c41";
private static final String CEDRIC_CERT = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n" +
"Comment: 5E75 BF20 646B C1A9 8D3B 1BC2 FE9C D472 987C 4021\n" +
"Comment: Cedric Diggory <cedric@diggo.ry>\n" +
"\n" +
"xjMEYwTIyhYJKwYBBAHaRw8BAQdA80cyaoAEfh/ENuHw8XtWqrxDoPQ/x44LQzyO\n" +
"TLhMN+PCwBEEHxYKAIMFgmMEyMoFiQWfpgADCwkHCRD+nNRymHxAIUcUAAAAAAAe\n" +
"ACBzYWx0QG5vdGF0aW9ucy5zZXF1b2lhLXBncC5vcmf0ckQJQzwOKkXPe8rFP5B+\n" +
"CbAshRG5OKD3Dp+hScGFXgMVCggCmwECHgEWIQRedb8gZGvBqY07G8L+nNRymHxA\n" +
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"BYJjBMjKBYkFn6YACRD+nNRymHxAIUcUAAAAAAAeACBzYWx0QG5vdGF0aW9ucy5z\n" +
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"SwJQz3QDAQgHwsAGBBgWCgB4BYJjBMjKBYkFn6YACRD+nNRymHxAIUcUAAAAAAAe\n" +
"ACBzYWx0QG5vdGF0aW9ucy5zZXF1b2lhLXBncC5vcmc/qxMatwD+6zaKDZGlVdn/\n" +
"TWumSgLtuyYonaOupIfMEAKbDBYhBF51vyBka8GpjTsbwv6c1HKYfEAhAADPiwEA\n" +
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"kspLC9BliezVbFSHIK9NQ/wC\n" +
"=VemI\n" +
"-----END PGP PUBLIC KEY BLOCK-----\n";
private static final String CEDRIC_FP = "5e75bf20646bc1a98d3b1bc2fe9cd472987c4021";
private static final KeyMaterialMerger merger = new TestKeyMaterialMerger();
private static Stream<PGPCertificateDirectory> provideTestSubjects()
throws IOException, NotAStoreException {
PGPCertificateDirectory inMemory = PGPCertificateDirectories.inMemoryCertificateDirectory(
new TestKeyMaterialReaderBackend());
File tempDir = Files.createTempDirectory("pgp-cert-d-test").toFile();
tempDir.deleteOnExit();
PGPCertificateDirectory fileBased = PGPCertificateDirectories.fileBasedCertificateDirectory(
new TestKeyMaterialReaderBackend(),
tempDir,
new InMemorySubkeyLookup());
return Stream.of(inMemory, fileBased);
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
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)), merger);
assertNull(inserted);
directory.backend.getLock().releaseDirectory();
inserted = directory.tryInsert(new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8)), merger);
assertNotNull(inserted);
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void getByInvalidNameFails(PGPCertificateDirectory directory) {
assertThrows(BadNameException.class, () -> directory.getBySpecialName("invalid"));
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void testInsertAndGetSingleCert(PGPCertificateDirectory directory)
throws BadDataException, IOException, InterruptedException, BadNameException {
assertNull(directory.getByFingerprint(CEDRIC_FP), "Empty directory MUST NOT contain certificate");
ByteArrayInputStream bytesIn = new ByteArrayInputStream(CEDRIC_CERT.getBytes(UTF8));
Certificate certificate = directory.insert(bytesIn, merger);
assertEquals(CEDRIC_FP, certificate.getFingerprint(), "Fingerprint of inserted cert MUST match");
Certificate get = directory.getByFingerprint(CEDRIC_FP);
assertEquals(CEDRIC_FP, get.getFingerprint(), "Fingerprint of retrieved cert MUST match");
byte[] expected = CEDRIC_CERT.getBytes(UTF8);
ByteArrayOutputStream actual = new ByteArrayOutputStream();
Streams.pipeAll(get.getInputStream(), actual);
assertArrayEquals(expected, actual.toByteArray(), "InputStream of cert MUST match what we gave in");
}
@ParameterizedTest
@MethodSource("provideTestSubjects")
public void testInsertAndGetTrustRootAndCert(PGPCertificateDirectory directory)
throws BadDataException, IOException, InterruptedException {
assertNull(directory.getTrustRoot());
KeyMaterial trustRootMaterial = directory.insertTrustRoot(
new ByteArrayInputStream(HARRY_KEY.getBytes(UTF8)), merger);
assertNotNull(trustRootMaterial);
assertTrue(trustRootMaterial instanceof Key);
assertEquals(HARRY_FP, trustRootMaterial.getFingerprint());
Key trustRoot = (Key) directory.getTrustRoot();
assertEquals(HARRY_FP, trustRoot.getFingerprint());
Certificate trustRootCert = directory.getTrustRootCertificate();
assertEquals(HARRY_FP, trustRootCert.getFingerprint());
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));
Set<String> actual = new HashSet<>();
Iterator<String> fingerprints = directory.fingerprints();
actual.add(fingerprints.next());
actual.add(fingerprints.next());
assertFalse(fingerprints.hasNext());
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));
}
}