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Added revocation list probe to OB 2.0

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This commit is contained in:
Xavi Aracil 2022-12-07 17:41:30 +01:00
parent c96dd7726a
commit 52b94777ce
2 changed files with 109 additions and 4 deletions
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8
inspector-vc/src/main/java/org/oneedtech/inspect/vc/OB20Inspector.java
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@ -28,6 +28,7 @@ import org.oneedtech.inspect.vc.jsonld.probe.JsonLDCompactionProve;
import org.oneedtech.inspect.vc.jsonld.probe.JsonLDValidationProbe;
import org.oneedtech.inspect.vc.payload.PngParser;
import org.oneedtech.inspect.vc.payload.SvgParser;
import org.oneedtech.inspect.vc.probe.AssertionRevocationListProbe;
import org.oneedtech.inspect.vc.probe.ContextPropertyProbe;
import org.oneedtech.inspect.vc.probe.CredentialParseProbe;
import org.oneedtech.inspect.vc.probe.ExpirationProbe;
@ -148,10 +149,13 @@ public class OB20Inspector extends Inspector {
if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
}
// verification
// verification and revocation
for(Probe<JsonLdGeneratedObject> probe : List.of(new VerificationDependenciesProbe(assertion.getId()), new AssertionRevocationListProbe(assertion.getId()))) {
probeCount++;
accumulator.add(new VerificationDependenciesProbe(assertion.getId()).run(jsonLdGeneratedObject, ctx));
accumulator.add(probe.run(jsonLdGeneratedObject, ctx));
if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
}
} catch (Exception e) {
accumulator.add(onProbeException(Probe.ID.NO_UNCAUGHT_EXCEPTIONS, resource, e));

101
inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/AssertionRevocationListProbe.java Normal file
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@ -0,0 +1,101 @@
package org.oneedtech.inspect.vc.probe;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.oneedtech.inspect.core.probe.Probe;
import org.oneedtech.inspect.core.probe.RunContext;
import org.oneedtech.inspect.core.probe.RunContext.Key;
import org.oneedtech.inspect.core.report.ReportItems;
import org.oneedtech.inspect.util.resource.UriResource;
import org.oneedtech.inspect.vc.jsonld.JsonLdGeneratedObject;
import org.oneedtech.inspect.vc.jsonld.probe.JsonLDCompactionProve;
import org.oneedtech.inspect.vc.util.CachingDocumentLoader;
import org.oneedtech.inspect.vc.util.JsonNodeUtil;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import foundation.identity.jsonld.ConfigurableDocumentLoader;
public class AssertionRevocationListProbe extends Probe<JsonLdGeneratedObject> {
private final String assertionId;
public AssertionRevocationListProbe(String assertionId) {
super(ID);
this.assertionId = assertionId;
}
@Override
public ReportItems run(JsonLdGeneratedObject jsonLdGeneratedObject, RunContext ctx) throws Exception {
ObjectMapper mapper = (ObjectMapper) ctx.get(Key.JACKSON_OBJECTMAPPER);
JsonNode jsonNode = (mapper).readTree(jsonLdGeneratedObject.getJson());
// get badge
UriResource badgeUriResource = resolveUriResource(ctx, jsonNode.get("badge").asText().strip());
JsonLdGeneratedObject badgeObject = (JsonLdGeneratedObject) ctx.getGeneratedObject(
JsonLDCompactionProve.getId(badgeUriResource));
// get issuer from badge
JsonNode badgeNode = ((ObjectMapper) ctx.get(Key.JACKSON_OBJECTMAPPER))
.readTree(badgeObject.getJson());
UriResource issuerUriResource = resolveUriResource(ctx, badgeNode.get("issuer").asText().strip());
JsonLdGeneratedObject issuerObject = (JsonLdGeneratedObject) ctx.getGeneratedObject(
JsonLDCompactionProve.getId(issuerUriResource));
JsonNode issuerNode = ((ObjectMapper) ctx.get(Key.JACKSON_OBJECTMAPPER))
.readTree(issuerObject.getJson());
JsonNode revocationListIdNode = issuerNode.get("revocationList");
if (revocationListIdNode == null) {
// "Assertion is not revoked. Issuer has no revocation list"
return success(ctx);
}
UriResource revocationListUriResource = resolveUriResource(ctx, revocationListIdNode.asText().strip());
JsonLdGeneratedObject revocationListObject = (JsonLdGeneratedObject) ctx.getGeneratedObject(
JsonLDCompactionProve.getId(revocationListUriResource));
JsonNode revocationListNode = ((ObjectMapper) ctx.get(Key.JACKSON_OBJECTMAPPER))
.readTree(revocationListObject.getJson());
List<JsonNode> revocationList = JsonNodeUtil.asNodeList(revocationListNode.get("revokedAssertions"));
List<JsonNode> revokedMatches = revocationList.stream().filter(revocation -> {
if (revocation.isTextual()) {
return assertionId.equals(revocation.asText().strip());
}
return revocation.get("id") != null && assertionId.equals(revocation.get("id").asText().strip());
}).collect(Collectors.toList());
if (revokedMatches.size() > 0) {
Optional<JsonNode> reasonNode = revokedMatches.stream()
.map(node -> node.get("revocationReason"))
.filter(Objects::nonNull)
.findFirst();
String reason = reasonNode.isPresent() ? " with reason " + reasonNode.get().asText().strip() : "";
return error("Assertion " + assertionId + " has been revoked in RevocationList " + revocationListIdNode.asText().strip() + reason, ctx);
}
return success(ctx);
}
protected UriResource resolveUriResource(RunContext ctx, String url) throws URISyntaxException {
URI uri = new URI(url);
UriResource initialUriResource = new UriResource(uri);
UriResource uriResource = initialUriResource;
// check if uri points to a local resource
if (ctx.get(Key.JSON_DOCUMENT_LOADER) instanceof ConfigurableDocumentLoader) {
if (ConfigurableDocumentLoader.getDefaultHttpLoader() instanceof CachingDocumentLoader.HttpLoader) {
URI resolvedUri = ((CachingDocumentLoader.HttpLoader) ConfigurableDocumentLoader.getDefaultHttpLoader()).resolve(uri);
uriResource = new UriResource(resolvedUri);
}
}
return uriResource;
}
public static final String ID = AssertionRevocationListProbe.class.getSimpleName();
}