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Remove ProofUtil.

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Paul Schaub 2022-01-09 02:31:04 +01:00
parent 1aca7112d2
commit e374951ed0
2 changed files with 0 additions and 218 deletions
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141
pgpainless-core/src/main/java/org/pgpainless/signature/consumer/ProofUtil.java
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// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.signature.consumer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Nullable;
import org.bouncycastle.bcpg.sig.NotationData;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureSubpacketVector;
import org.pgpainless.PGPainless;
import org.pgpainless.key.info.KeyRingInfo;
import org.pgpainless.key.protection.SecretKeyRingProtector;
import org.pgpainless.signature.builder.DirectKeySignatureBuilder;
import org.pgpainless.signature.builder.SelfSignatureBuilder;
public class ProofUtil {
public PGPSecretKeyRing addProof(PGPSecretKeyRing secretKey, SecretKeyRingProtector protector, Proof proof)
throws PGPException {
return addProofs(secretKey, protector, Collections.singletonList(proof));
}
public PGPSecretKeyRing addProofs(PGPSecretKeyRing secretKey, SecretKeyRingProtector protector, List<Proof> proofs)
throws PGPException {
KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
return addProofs(secretKey, protector, info.getPrimaryUserId(), proofs);
}
public PGPSecretKeyRing addProof(PGPSecretKeyRing secretKey, SecretKeyRingProtector protector, String userId, Proof proof)
throws PGPException {
return addProofs(secretKey, protector, userId, Collections.singletonList(proof));
}
public PGPSecretKeyRing addProofs(PGPSecretKeyRing secretKey, SecretKeyRingProtector protector,
@Nullable String userId, List<Proof> proofs)
throws PGPException {
KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
PGPSecretKey certificationKey = secretKey.getSecretKey();
PGPPublicKey certificationPubKey = certificationKey.getPublicKey();
PGPSignature certification = null;
// null userid -> make direct key sig
if (userId == null) {
PGPSignature previousCertification = info.getLatestDirectKeySelfSignature();
if (previousCertification == null) {
throw new NoSuchElementException("No previous valid direct key signature found.");
}
DirectKeySignatureBuilder sigBuilder = new DirectKeySignatureBuilder(certificationKey, protector, previousCertification);
for (Proof proof : proofs) {
sigBuilder.getHashedSubpackets().addNotationData(false, proof.getNotationName(), proof.getNotationValue());
}
certification = sigBuilder.build(certificationPubKey);
certificationPubKey = PGPPublicKey.addCertification(certificationPubKey, certification);
} else {
if (!info.isUserIdValid(userId)) {
throw new IllegalArgumentException("User ID " + userId + " seems to not be valid for this key.");
}
PGPSignature previousCertification = info.getLatestUserIdCertification(userId);
if (previousCertification == null) {
throw new NoSuchElementException("No previous valid user-id certification found.");
}
SelfSignatureBuilder sigBuilder = new SelfSignatureBuilder(certificationKey, protector, previousCertification);
for (Proof proof : proofs) {
sigBuilder.getHashedSubpackets().addNotationData(false, proof.getNotationName(), proof.getNotationValue());
}
certification = sigBuilder.build(certificationPubKey, userId);
certificationPubKey = PGPPublicKey.addCertification(certificationPubKey, userId, certification);
}
certificationKey = PGPSecretKey.replacePublicKey(certificationKey, certificationPubKey);
secretKey = PGPSecretKeyRing.insertSecretKey(secretKey, certificationKey);
return secretKey;
}
public static class Proof {
public static final String NOTATION_NAME = "proof@metacode.biz";
private final String notationValue;
public Proof(String notationValue) {
if (notationValue == null) {
throw new IllegalArgumentException("Notation value cannot be null.");
}
String trimmed = notationValue.trim();
if (trimmed.isEmpty()) {
throw new IllegalArgumentException("Notation value cannot be empty.");
}
this.notationValue = trimmed;
}
public String getNotationName() {
return NOTATION_NAME;
}
public String getNotationValue() {
return notationValue;
}
public static Proof fromMatrixPermalink(String username, String eventPermalink) {
Pattern pattern = Pattern.compile("^https:\\/\\/matrix\\.to\\/#\\/(![a-zA-Z]{18}:matrix\\.org)\\/(\\$[a-zA-Z0-9\\-_]{43})\\?via=.*$");
Matcher matcher = pattern.matcher(eventPermalink);
if (!matcher.matches()) {
throw new IllegalArgumentException("Invalid matrix event permalink.");
}
String roomId = matcher.group(1);
String eventId = matcher.group(2);
return new Proof(String.format("matrix:u/%s?org.keyoxide.r=%s&org.keyoxide.e=%s", username, roomId, eventId));
}
@Override
public String toString() {
return getNotationName() + "=" + getNotationValue();
}
}
public static List<Proof> getProofs(PGPSignature signature) {
PGPSignatureSubpacketVector hashedSubpackets = signature.getHashedSubPackets();
NotationData[] notations = hashedSubpackets.getNotationDataOccurrences();
List<Proof> proofs = new ArrayList<>();
for (NotationData notation : notations) {
if (notation.getNotationName().equals(Proof.NOTATION_NAME)) {
proofs.add(new Proof(notation.getNotationValue()));
}
}
return proofs;
}
}

77
pgpainless-core/src/test/java/org/pgpainless/signature/builder/ProofUtilTest.java
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@ -1,77 +0,0 @@
// SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.signature.builder;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.junit.jupiter.api.Test;
import org.pgpainless.PGPainless;
import org.pgpainless.key.info.KeyRingInfo;
import org.pgpainless.key.protection.SecretKeyRingProtector;
import org.pgpainless.signature.consumer.ProofUtil;
public class ProofUtilTest {
@Test
public void testEmptyProofThrows() {
assertThrows(IllegalArgumentException.class, () -> new ProofUtil.Proof(""));
}
@Test
public void testNullProofThrows() {
assertThrows(IllegalArgumentException.class, () -> new ProofUtil.Proof(null));
}
@Test
public void proofIsTrimmed() {
ProofUtil.Proof proof = new ProofUtil.Proof(" foo:bar ");
assertEquals("proof@metacode.biz=foo:bar", proof.toString());
}
@Test
public void testMatrixProof() {
String matrixUser = "@foo:matrix.org";
String permalink = "https://matrix.to/#/!dBfQZxCoGVmSTujfiv:matrix.org/$3dVX1nv3lmwnKxc0mgto_Sf-REVr45Z6G7LWLWal10w?via=chat.matrix.org";
ProofUtil.Proof proof = ProofUtil.Proof.fromMatrixPermalink(matrixUser, permalink);
assertEquals("proof@metacode.biz=matrix:u/@foo:matrix.org?org.keyoxide.r=!dBfQZxCoGVmSTujfiv:matrix.org&org.keyoxide.e=$3dVX1nv3lmwnKxc0mgto_Sf-REVr45Z6G7LWLWal10w",
proof.toString());
}
@Test
public void testXmppBasicProof() {
String jid = "alice@pgpainless.org";
ProofUtil.Proof proof = new ProofUtil.Proof("xmpp:" + jid);
assertEquals("proof@metacode.biz=xmpp:alice@pgpainless.org", proof.toString());
}
@Test
public void testAddProof()
throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, InterruptedException {
String userId = "Alice <alice@pgpainless.org>";
PGPSecretKeyRing secretKey = PGPainless.generateKeyRing()
.modernKeyRing(userId, null);
Thread.sleep(1000L);
secretKey = new ProofUtil().addProof(
secretKey,
SecretKeyRingProtector.unprotectedKeys(),
new ProofUtil.Proof("xmpp:alice@pgpainless.org"));
KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
PGPSignature signature = info.getLatestUserIdCertification(userId);
assertNotNull(signature);
assertFalse(ProofUtil.getProofs(signature).isEmpty());
}
}