mirror of
https://codeberg.org/PGPainless/cert-d-java.git
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342 lines
15 KiB
Java
342 lines
15 KiB
Java
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package pgp.cert_d;
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import org.bouncycastle.util.io.Streams;
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import org.junit.jupiter.api.Named;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import pgp.cert_d.backend.FileBasedCertificateDirectoryBackend;
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import pgp.cert_d.dummy.TestKeyMaterialMerger;
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import pgp.cert_d.dummy.TestKeyMaterialReaderBackend;
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import pgp.cert_d.subkey_lookup.InMemorySubkeyLookup;
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import pgp.cert_d.subkey_lookup.SubkeyLookup;
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import pgp.certificate_store.certificate.Certificate;
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import pgp.certificate_store.certificate.Key;
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import pgp.certificate_store.certificate.KeyMaterial;
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import pgp.certificate_store.certificate.KeyMaterialMerger;
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import pgp.certificate_store.certificate.KeyMaterialReaderBackend;
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import pgp.certificate_store.exception.BadDataException;
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import pgp.certificate_store.exception.BadNameException;
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import pgp.certificate_store.exception.NotAStoreException;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.nio.file.Files;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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import java.util.Set;
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import java.util.stream.Stream;
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import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertNotEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import static org.junit.jupiter.api.Assumptions.assumeFalse;
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import static org.junit.jupiter.api.Assumptions.assumeTrue;
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import static pgp.cert_d.TestKeys.CEDRIC_FP;
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import static pgp.cert_d.TestKeys.HARRY_FP;
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import static pgp.cert_d.TestKeys.RON_FP;
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public class PGPCertificateDirectoryTest {
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private static final KeyMaterialMerger merger = new TestKeyMaterialMerger();
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private static Stream<Arguments> provideTestSubjects()
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throws IOException, NotAStoreException {
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PGPCertificateDirectory inMemory = PGPCertificateDirectories.inMemoryCertificateDirectory(
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new TestKeyMaterialReaderBackend());
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File tempDir = Files.createTempDirectory("pgp-cert-d-test").toFile();
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tempDir.deleteOnExit();
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PGPCertificateDirectory fileBased = PGPCertificateDirectories.fileBasedCertificateDirectory(
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new TestKeyMaterialReaderBackend(),
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tempDir,
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new InMemorySubkeyLookup());
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return Stream.of(
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Arguments.of(Named.of("InMemoryCertificateDirectory", inMemory)),
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Arguments.of(Named.of("FileBasedCertificateDirectory", fileBased)));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentCertByFingerprintThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getByFingerprint("0000000000000000000000000000000000000000"));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentCertByFingerprintIfChangedThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getByFingerprintIfChanged("0000000000000000000000000000000000000000", 12));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentCertBySpecialNameThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getBySpecialName(SpecialNames.TRUST_ROOT));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentCertBySpecialNameIfChangedThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, 12));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentTrustRootThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getTrustRoot());
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentTrustRootIfChangedThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getTrustRootCertificateIfChanged(12));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getNonExistentTrustRootCertificateThrowsNoSuchElementException(PGPCertificateDirectory directory) {
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assertThrows(NoSuchElementException.class, () ->
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directory.getTrustRootCertificate());
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void lockDirectoryAndTryInsertWillFail(PGPCertificateDirectory directory)
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throws IOException, InterruptedException, BadDataException {
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// Manually lock the dir
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assertFalse(directory.backend.getLock().isLocked());
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directory.backend.getLock().lockDirectory();
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assertTrue(directory.backend.getLock().isLocked());
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assertFalse(directory.backend.getLock().tryLockDirectory());
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Certificate inserted = directory.tryInsert(TestKeys.getCedricCert(), merger);
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assertNull(inserted);
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directory.backend.getLock().releaseDirectory();
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inserted = directory.tryInsert(TestKeys.getCedricCert(), merger);
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assertNotNull(inserted);
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void lockDirectoryAndTryInsertTrustRootWillFail(PGPCertificateDirectory directory)
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throws IOException, InterruptedException, BadDataException {
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// Manually lock the dir
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assertFalse(directory.backend.getLock().isLocked());
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directory.backend.getLock().lockDirectory();
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assertTrue(directory.backend.getLock().isLocked());
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KeyMaterial inserted = directory.tryInsertTrustRoot(TestKeys.getHarryKey(), merger);
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assertNull(inserted);
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directory.backend.getLock().releaseDirectory();
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inserted = directory.tryInsertTrustRoot(TestKeys.getHarryKey(), merger);
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assertNotNull(inserted);
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void lockDirectoryAndTryInsertWithSpecialNameWillFail(PGPCertificateDirectory directory)
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throws IOException, InterruptedException, BadDataException, BadNameException {
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// Manually lock the dir
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assertFalse(directory.backend.getLock().isLocked());
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directory.backend.getLock().lockDirectory();
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assertTrue(directory.backend.getLock().isLocked());
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Certificate inserted = directory.tryInsertWithSpecialName(SpecialNames.TRUST_ROOT, TestKeys.getHarryKey(), merger);
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assertNull(inserted);
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directory.backend.getLock().releaseDirectory();
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inserted = directory.tryInsertWithSpecialName(SpecialNames.TRUST_ROOT, TestKeys.getHarryKey(), merger);
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assertNotNull(inserted);
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void getByInvalidNameFails(PGPCertificateDirectory directory) {
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assertThrows(BadNameException.class, () -> directory.getBySpecialName("invalid"));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void testInsertAndGetSingleCert(PGPCertificateDirectory directory)
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throws BadDataException, IOException, InterruptedException, BadNameException {
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assertThrows(NoSuchElementException.class, () -> directory.getByFingerprint(CEDRIC_FP), "Empty directory MUST NOT contain certificate");
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Certificate certificate = directory.insert(TestKeys.getCedricCert(), merger);
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assertEquals(CEDRIC_FP, certificate.getFingerprint(), "Fingerprint of inserted cert MUST match");
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Certificate get = directory.getByFingerprint(CEDRIC_FP);
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assertEquals(CEDRIC_FP, get.getFingerprint(), "Fingerprint of retrieved cert MUST match");
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byte[] expected = TestKeys.CEDRIC_CERT.getBytes(Charset.forName("UTF8"));
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ByteArrayOutputStream actual = new ByteArrayOutputStream();
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Streams.pipeAll(get.getInputStream(), actual);
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assertArrayEquals(expected, actual.toByteArray(), "InputStream of cert MUST match what we gave in");
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void testInsertAndGetTrustRootAndCert(PGPCertificateDirectory directory)
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throws BadDataException, IOException, InterruptedException {
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assertThrows(NoSuchElementException.class, () -> directory.getTrustRoot());
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KeyMaterial trustRootMaterial = directory.insertTrustRoot(
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TestKeys.getHarryKey(), merger);
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assertNotNull(trustRootMaterial);
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assertTrue(trustRootMaterial instanceof Key);
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assertEquals(HARRY_FP, trustRootMaterial.getFingerprint());
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Key trustRoot = (Key) directory.getTrustRoot();
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assertEquals(HARRY_FP, trustRoot.getFingerprint());
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Certificate trustRootCert = directory.getTrustRootCertificate();
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assertEquals(HARRY_FP, trustRootCert.getFingerprint());
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directory.tryInsert(TestKeys.getRonCert(), merger);
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directory.insert(TestKeys.getCedricCert(), merger);
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Set<String> expected = new HashSet<>(Arrays.asList(RON_FP, CEDRIC_FP));
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Set<String> actual = new HashSet<>();
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Iterator<String> fingerprints = directory.fingerprints();
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actual.add(fingerprints.next());
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actual.add(fingerprints.next());
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assertFalse(fingerprints.hasNext());
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assertEquals(expected, actual);
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void testGetTrustRootIfChanged(PGPCertificateDirectory directory)
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throws BadDataException, IOException, InterruptedException {
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KeyMaterial trustRootMaterial = directory.insertTrustRoot(
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TestKeys.getHarryKey(), merger);
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assertNotNull(trustRootMaterial.getTag());
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Long tag = trustRootMaterial.getTag();
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assertNull(directory.getTrustRootCertificateIfChanged(tag));
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assertNotNull(directory.getTrustRootCertificateIfChanged(tag + 1));
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Long oldTag = tag;
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Thread.sleep(10);
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// "update" key
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trustRootMaterial = directory.insertTrustRoot(
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TestKeys.getHarryKey(), merger);
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tag = trustRootMaterial.getTag();
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assertNotEquals(oldTag, tag);
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assertNotNull(directory.getTrustRootCertificateIfChanged(oldTag));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void testGetBySpecialNameIfChanged(PGPCertificateDirectory directory)
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throws BadDataException, IOException, InterruptedException, BadNameException {
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KeyMaterial specialName = directory.insertWithSpecialName(SpecialNames.TRUST_ROOT,
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TestKeys.getHarryKey(), merger);
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assertNotNull(specialName.getTag());
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Long tag = specialName.getTag();
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assertNull(directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, tag));
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assertNotNull(directory.getBySpecialNameIfChanged(SpecialNames.TRUST_ROOT, tag + 1));
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}
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@ParameterizedTest
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@MethodSource("provideTestSubjects")
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public void testGetByFingerprintIfChanged(PGPCertificateDirectory directory)
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throws BadDataException, IOException, InterruptedException, BadNameException {
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Certificate certificate = directory.insert(TestKeys.getCedricCert(), merger);
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Long tag = certificate.getTag();
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assertNotNull(tag);
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assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
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assertNotNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag + 1));
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}
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@Test
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public void testFileBasedCertificateDirectoryTagChangesWhenFileChanges() throws IOException, NotAStoreException, BadDataException, InterruptedException, BadNameException {
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File tempDir = Files.createTempDirectory("file-based-changes").toFile();
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tempDir.deleteOnExit();
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PGPCertificateDirectory directory = PGPCertificateDirectories.fileBasedCertificateDirectory(
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new TestKeyMaterialReaderBackend(),
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tempDir,
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new InMemorySubkeyLookup());
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FileBasedCertificateDirectoryBackend.FilenameResolver resolver =
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new FileBasedCertificateDirectoryBackend.FilenameResolver(tempDir);
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// Insert certificate
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Certificate certificate = directory.insert(TestKeys.getCedricCert(), merger);
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Long tag = certificate.getTag();
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assertNotNull(tag);
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assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
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Long oldTag = tag;
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Thread.sleep(10);
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// Change the file on disk directly, this invalidates the tag due to changed modification date
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File certFile = resolver.getCertFileByFingerprint(certificate.getFingerprint());
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FileOutputStream fileOut = new FileOutputStream(certFile);
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Streams.pipeAll(certificate.getInputStream(), fileOut);
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fileOut.write("\n".getBytes());
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fileOut.close();
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// Old invalidated tag indicates a change, so the modified certificate is returned
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certificate = directory.getByFingerprintIfChanged(certificate.getFingerprint(), oldTag);
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assertNotNull(certificate);
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// new tag is valid
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tag = certificate.getTag();
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assertNotEquals(oldTag, tag);
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assertNull(directory.getByFingerprintIfChanged(certificate.getFingerprint(), tag));
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}
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@Test
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public void fileBasedStoreInWriteProtectedAreaThrows() {
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File root = new File("/");
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assumeTrue(root.exists(), "This test only runs on unix-like systems");
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File baseDirectory = new File(root, "pgp.cert.d");
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assumeFalse(baseDirectory.mkdirs(), "This test assumes that we cannot create dirs in /");
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KeyMaterialReaderBackend reader = new TestKeyMaterialReaderBackend();
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SubkeyLookup lookup = new InMemorySubkeyLookup();
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assertThrows(NotAStoreException.class, () -> PGPCertificateDirectories.fileBasedCertificateDirectory(
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reader, baseDirectory, lookup));
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}
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@Test
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public void fileBasedStoreOnFileThrows() throws IOException {
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File tempDir = Files.createTempDirectory("containsAFile").toFile();
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tempDir.deleteOnExit();
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File baseDir = new File(tempDir, "pgp.cert.d");
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baseDir.createNewFile(); // this is a file, not a dir
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KeyMaterialReaderBackend reader = new TestKeyMaterialReaderBackend();
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SubkeyLookup lookup = new InMemorySubkeyLookup();
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assertThrows(NotAStoreException.class, () -> PGPCertificateDirectories.fileBasedCertificateDirectory(
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reader, baseDir, lookup));
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}
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}
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