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show signature key on changeset

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This commit is contained in:
Eduard Heimbuch
2020-07-28 17:52:20 +02:00
parent 0c45cf21e3
commit b22ead23de
37 changed files with 806 additions and 385 deletions
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71
scm-webapp/src/main/java/sonia/scm/security/gpg/Keys.java
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@@ -24,6 +24,7 @@
package sonia.scm.security.gpg;
import lombok.Value;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
@@ -37,45 +38,71 @@ import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.stream.Collectors;
import java.util.Set;
import java.util.function.Function;
@Value
final class Keys {
private static final KeyFingerPrintCalculator calculator = new JcaKeyFingerprintCalculator();
private Keys() {}
private final String master;
private final Set<String> subs;
static String resolveIdFromKey(String rawKey) throws IOException, PGPException {
List<PGPPublicKey> keys = collectKeys(rawKey);
if (keys.size() > 1) {
keys = keys.stream().filter(PGPPublicKey::isMasterKey).collect(Collectors.toList());
}
if (keys.isEmpty()) {
throw new IllegalArgumentException("found multiple keys, but no master keys");
}
if (keys.size() > 1) {
throw new IllegalArgumentException("found multiple master keys");
private Keys(String master, Set<String> subs) {
this.master = master;
this.subs = subs;
}
static Keys resolve(String raw) {
return resolve(raw, Keys::collectKeys);
}
static Keys resolve(String raw, Function<String, List<PGPPublicKey>> parser) {
List<PGPPublicKey> parsedKeys = parser.apply(raw);
String master = null;
Set<String> subs = new HashSet<>();
for (PGPPublicKey key : parsedKeys) {
if (key.isMasterKey()) {
if (master != null) {
throw new IllegalArgumentException("Found more than one master key");
}
master = createId(key);
} else {
subs.add(createId(key));
}
}
PGPPublicKey pgpPublicKey = keys.get(0);
return createId(pgpPublicKey);
if (master == null) {
throw new IllegalArgumentException("No master key found");
}
return new Keys(master, Collections.unmodifiableSet(subs));
}
private static String createId(PGPPublicKey pgpPublicKey) {
return "0x" + Long.toHexString(pgpPublicKey.getKeyID()).toUpperCase(Locale.ENGLISH);
}
private static List<PGPPublicKey> collectKeys(String rawKey) throws IOException, PGPException {
List<PGPPublicKey> publicKeys = new ArrayList<>();
InputStream decoderStream = PGPUtil.getDecoderStream(new ByteArrayInputStream(rawKey.getBytes(StandardCharsets.UTF_8)));
PGPPublicKeyRingCollection collection = new PGPPublicKeyRingCollection(decoderStream, calculator);
for (PGPPublicKeyRing pgpPublicKeys : collection) {
for (PGPPublicKey pgpPublicKey : pgpPublicKeys) {
publicKeys.add(pgpPublicKey);
private static List<PGPPublicKey> collectKeys(String rawKey) {
try {
List<PGPPublicKey> publicKeys = new ArrayList<>();
InputStream decoderStream = PGPUtil.getDecoderStream(new ByteArrayInputStream(rawKey.getBytes(StandardCharsets.UTF_8)));
PGPPublicKeyRingCollection collection = new PGPPublicKeyRingCollection(decoderStream, calculator);
for (PGPPublicKeyRing pgpPublicKeys : collection) {
for (PGPPublicKey pgpPublicKey : pgpPublicKeys) {
publicKeys.add(pgpPublicKey);
}
}
return publicKeys;
} catch (IOException | PGPException ex) {
throw new GPGException("Failed to collect public keys", ex);
}
return publicKeys;
}
}