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Code Issues Releases Wiki Activity

Cleartext signature framework: Reuse ConsumerOptions

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This commit is contained in:
Paul Schaub 2021-08-28 11:39:50 +02:00
parent 943360aa65
commit 2885ff7a14
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
4 changed files with 43 additions and 15 deletions
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13
pgpainless-core/src/main/java/org/pgpainless/signature/cleartext_signatures/CleartextSignatureProcessor.java
View file

@ -15,6 +15,8 @@
*/
package org.pgpainless.signature.cleartext_signatures;
import static org.pgpainless.signature.SignatureValidator.signatureWasCreatedInBounds;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
@ -28,10 +30,10 @@ import org.bouncycastle.bcpg.ArmoredInputStream;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureList;
import org.pgpainless.PGPainless;
import org.pgpainless.decryption_verification.ConsumerOptions;
import org.pgpainless.exception.SignatureValidationException;
import org.pgpainless.signature.CertificateValidator;
import org.pgpainless.signature.SignatureVerifier;
@ -45,11 +47,11 @@ public class CleartextSignatureProcessor {
private static final Logger LOGGER = Logger.getLogger(CleartextSignatureProcessor.class.getName());
private final ArmoredInputStream in;
private final PGPPublicKeyRingCollection verificationKeys;
private final ConsumerOptions options;
private final MultiPassStrategy multiPassStrategy;
public CleartextSignatureProcessor(InputStream inputStream,
PGPPublicKeyRingCollection verificationKeys,
ConsumerOptions options,
MultiPassStrategy multiPassStrategy)
throws IOException {
if (inputStream instanceof ArmoredInputStream) {
@ -57,7 +59,7 @@ public class CleartextSignatureProcessor {
} else {
this.in = ArmoredInputStreamFactory.get(inputStream);
}
this.verificationKeys = verificationKeys;
this.options = options;
this.multiPassStrategy = multiPassStrategy;
}
@ -81,7 +83,7 @@ public class CleartextSignatureProcessor {
for (PGPSignature signature : signatures) {
PGPPublicKeyRing certificate = null;
PGPPublicKey signingKey = null;
for (PGPPublicKeyRing cert : verificationKeys) {
for (PGPPublicKeyRing cert : options.getCertificates()) {
signingKey = cert.getPublicKey(signature.getKeyID());
if (signingKey != null) {
certificate = cert;
@ -94,6 +96,7 @@ public class CleartextSignatureProcessor {
}
try {
signatureWasCreatedInBounds(options.getVerifyNotBefore(), options.getVerifyNotAfter()).verify(signature);
SignatureVerifier.initializeSignatureAndUpdateWithSignedData(signature, multiPassStrategy.getMessageInputStream(), signingKey);
CertificateValidator.validateCertificateAndVerifyInitializedSignature(signature, certificate, PGPainless.getPolicy());
return signature;

16
pgpainless-core/src/main/java/org/pgpainless/signature/cleartext_signatures/VerifyCleartextSignatures.java
View file

@ -22,6 +22,7 @@ import java.io.InputStream;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.pgpainless.decryption_verification.ConsumerOptions;
/**
* Interface defining the API for verification of cleartext signed documents.
@ -53,6 +54,15 @@ public interface VerifyCleartextSignatures {
interface VerifyWith {
/**
* Pass in consumer options like verification certificates, acceptable date ranges etc.
*
* @param options options
* @return processor
* @throws IOException in case of an IO error
*/
CleartextSignatureProcessor withOptions(ConsumerOptions options) throws IOException;
/**
* Pass in the verification key ring.
*
@ -60,7 +70,10 @@ public interface VerifyCleartextSignatures {
* @return processor
* @throws PGPException if the keys cannot be converted to a {@link PGPPublicKeyRingCollection}.
* @throws IOException if the keys cannot be parsed properly
*
* @deprecated use {@link #withOptions(ConsumerOptions)} instead.
*/
@Deprecated
CleartextSignatureProcessor verifyWith(PGPPublicKeyRing publicKey) throws PGPException, IOException;
/**
@ -69,7 +82,10 @@ public interface VerifyCleartextSignatures {
* @param publicKeys verification keys
* @return processor
* @throws IOException if the keys cannot be parsed properly
*
* @deprecated use {@link #withOptions(ConsumerOptions)} instead.
*/
@Deprecated
CleartextSignatureProcessor verifyWith(PGPPublicKeyRingCollection publicKeys) throws IOException;
}

21
pgpainless-core/src/main/java/org/pgpainless/signature/cleartext_signatures/VerifyCleartextSignaturesImpl.java
View file

@ -17,17 +17,15 @@ package org.pgpainless.signature.cleartext_signatures;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.pgpainless.decryption_verification.ConsumerOptions;
public class VerifyCleartextSignaturesImpl implements VerifyCleartextSignatures {
private InputStream inputStream;
private MultiPassStrategy multiPassStrategy;
private PGPPublicKeyRingCollection verificationKeys;
@Override
public WithStrategy onInputStream(InputStream inputStream) {
@ -50,15 +48,22 @@ public class VerifyCleartextSignaturesImpl implements VerifyCleartextSignatures
public class VerifyWithImpl implements VerifyWith {
@Override
public CleartextSignatureProcessor verifyWith(PGPPublicKeyRing publicKey) throws PGPException, IOException {
VerifyCleartextSignaturesImpl.this.verificationKeys = new PGPPublicKeyRingCollection(Collections.singleton(publicKey));
return new CleartextSignatureProcessor(inputStream, verificationKeys, multiPassStrategy);
public CleartextSignatureProcessor withOptions(ConsumerOptions options) throws IOException {
return new CleartextSignatureProcessor(inputStream, options, multiPassStrategy);
}
@Override
public CleartextSignatureProcessor verifyWith(PGPPublicKeyRing publicKey) throws IOException {
ConsumerOptions options = new ConsumerOptions();
options.addVerificationCert(publicKey);
return new CleartextSignatureProcessor(inputStream, options, multiPassStrategy);
}
@Override
public CleartextSignatureProcessor verifyWith(PGPPublicKeyRingCollection publicKeys) throws IOException {
VerifyCleartextSignaturesImpl.this.verificationKeys = publicKeys;
return new CleartextSignatureProcessor(inputStream, verificationKeys, multiPassStrategy);
ConsumerOptions options = new ConsumerOptions();
options.addVerificationCerts(publicKeys);
return new CleartextSignatureProcessor(inputStream, options, multiPassStrategy);
}
}
}

8
pgpainless-core/src/test/java/org/pgpainless/decryption_verification/CleartextSignatureVerificationTest.java
View file

@ -77,12 +77,14 @@ public class CleartextSignatureVerificationTest {
@Test
public void cleartextSignVerification_InMemoryMultiPassStrategy() throws IOException, PGPException {
PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing();
ConsumerOptions options = new ConsumerOptions()
.addVerificationCert(signingKeys);
InMemoryMultiPassStrategy multiPassStrategy = MultiPassStrategy.keepMessageInMemory();
CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage()
.onInputStream(new ByteArrayInputStream(MESSAGE_SIGNED))
.withStrategy(multiPassStrategy)
.verifyWith(signingKeys);
.withOptions(options);
PGPSignature signature = processor.process();
@ -93,6 +95,8 @@ public class CleartextSignatureVerificationTest {
@Test
public void cleartextSignVerification_FileBasedMultiPassStrategy() throws IOException, PGPException {
PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing();
ConsumerOptions options = new ConsumerOptions()
.addVerificationCert(signingKeys);
File tempDir = TestUtils.createTempDirectory();
File file = new File(tempDir, "file");
@ -100,7 +104,7 @@ public class CleartextSignatureVerificationTest {
CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage()
.onInputStream(new ByteArrayInputStream(MESSAGE_SIGNED))
.withStrategy(multiPassStrategy)
.verifyWith(signingKeys);
.withOptions(options);
PGPSignature signature = processor.process();