private ByteStringMessage<ProtocolWaveletDelta> getFakeDelta() throws Exception {
ProtocolWaveletDelta delta =
ProtocolWaveletDelta.newBuilder()
.setHashedVersion(getProtocolHashedVersion())
.setAuthor("*****@*****.**")
.build();
return ByteStringMessage.serializeMessage(delta);
}
@Override
public int compare(
ByteStringMessage<ProtocolAppliedWaveletDelta> first,
ByteStringMessage<ProtocolAppliedWaveletDelta> second) {
if (first == null && second != null) {
return -1;
}
if (first != null && second == null) {
return 1;
}
if (first == null && second == null) {
return 0;
}
try {
return Long.valueOf(getVersionAppliedAt(first.getMessage()).getVersion())
.compareTo(getVersionAppliedAt(second.getMessage()).getVersion());
} catch (InvalidProtocolBufferException e) {
throw new IllegalStateException("Invalid applied delta added to history", e);
}
}
/** Return a dummy ProtocolAppliedWaveleetDelta instance used as a range boundary. */
private static ByteStringMessage<ProtocolAppliedWaveletDelta> emptyAppliedDeltaAtVersion(
final long version) {
ProtocolAppliedWaveletDelta delta =
ProtocolAppliedWaveletDelta.newBuilder()
.setApplicationTimestamp(0)
.setOperationsApplied(0)
.setSignedOriginalDelta(
ProtocolSignedDelta.newBuilder()
.setDelta(emptyDeltaAtVersion(version).toByteString()))
.build();
return ByteStringMessage.fromMessage(delta);
}
/*
* TESTS
*/
public void testSignature() throws Exception {
ProtocolWaveletDelta delta =
ProtocolWaveletDelta.newBuilder()
.setHashedVersion(getProtocolHashedVersion())
.setAuthor("*****@*****.**")
.build();
ByteStringMessage<ProtocolWaveletDelta> canonicalDelta =
ByteStringMessage.serializeMessage(delta);
ProtocolSignedDelta signedDelta = manager.signDelta(canonicalDelta);
manager.storeSignerInfo(getSignerInfo().toProtoBuf());
ByteStringMessage<ProtocolWaveletDelta> compare = manager.verifyDelta(signedDelta);
assertEquals(canonicalDelta, compare);
}
/**
* Commit an applied delta to this wavelet container.
*
* @param appliedDelta to commit
* @param transformedDelta of the applied delta
* @return result of the application
*/
protected DeltaApplicationResult commitAppliedDelta(
ByteStringMessage<ProtocolAppliedWaveletDelta> appliedDelta, WaveletDelta transformedDelta) {
ProtocolWaveletDelta transformedProtocolDelta =
WaveletOperationSerializer.serialize(transformedDelta, currentVersion);
transformedDeltas.add(transformedProtocolDelta);
deserializedTransformedDeltas.add(new VersionedWaveletDelta(transformedDelta, currentVersion));
appliedDeltas.add(appliedDelta);
HashedVersion newVersion =
HASHED_HISTORY_VERSION_FACTORY.create(
appliedDelta.getByteArray(), currentVersion, transformedDelta.getOperations().size());
currentVersion = newVersion;
return new DeltaApplicationResult(
appliedDelta, transformedProtocolDelta, WaveletOperationSerializer.serialize(newVersion));
}
public void testSignature_authorNotMatching() throws Exception {
ProtocolWaveletDelta delta =
ProtocolWaveletDelta.newBuilder()
.setHashedVersion(getProtocolHashedVersion())
.setAuthor("*****@*****.**")
.build();
ByteStringMessage<ProtocolWaveletDelta> canonicalDelta =
ByteStringMessage.serializeMessage(delta);
ProtocolSignedDelta signedDelta = manager.signDelta(canonicalDelta);
manager.storeSignerInfo(getSignerInfo().toProtoBuf());
try {
manager.verifyDelta(signedDelta);
fail("expected exception, but didn't get it");
} catch (SignatureException e) {
// expected
}
}
public void testSignature_missingSignerInfo() throws Exception {
ProtocolWaveletDelta delta =
ProtocolWaveletDelta.newBuilder()
.setHashedVersion(getProtocolHashedVersion())
.setAuthor("*****@*****.**")
.build();
ByteStringMessage<ProtocolWaveletDelta> canonicalDelta =
ByteStringMessage.serializeMessage(delta);
manager = new CertificateManagerImpl(false, getSigner(), getVerifier(store, false), store);
ProtocolSignedDelta signedDelta = manager.signDelta(canonicalDelta);
try {
manager.verifyDelta(signedDelta);
fail("expected UnknownSignerException, but didn't get it");
} catch (UnknownSignerException e) {
// expected
} catch (Exception e) {
fail("expected UnknownSignerExeception, but got " + e);
}
}
