update sigstore-conformance tests

add bundle specific verification options

Signed-off-by: Appu Goundan <[email protected]>

.github/workflows/conformance.yml

@@ -31,6 +31,6 @@ jobs:
       - name: Unpack sigstore-java distribution
         run: tar -xvf ${{ github.workspace }}/sigstore-cli/build/distributions/sigstore-cli-*.tar --strip-components 1
 
-      - uses: sigstore/sigstore-conformance@064fb32a890c30235f305281f3509c5e65e6f9e5 # tag=v0.0.4
+      - uses: sigstore/sigstore-conformance@1abc82cdefe80bd907855d8447f903ba8b4918e0 # v0.0.6
         with:
           entrypoint: ${{ github.workspace }}/bin/sigstore-cli

sigstore-cli/src/main/java/dev/sigstore/cli/Policy.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 The Sigstore Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package dev.sigstore.cli;
+
+import picocli.CommandLine.Option;
+
+public class Policy {
+  @Option(
+      names = {"--certificate-identity"},
+      description = "subject alternative name in certificate",
+      required = true)
+  String certificateSan;
+
+  @Option(
+      names = {"--certificate-oidc-issuer"},
+      description = "sigstore issuer in certificate",
+      required = true)
+  String certificateIssuer;
+}

sigstore-cli/src/main/java/dev/sigstore/cli/Sigstore.java

@@ -23,7 +23,7 @@
 @Command(
     name = "sigstore",
     mixinStandardHelpOptions = true,
-    subcommands = {Sign.class, Verify.class})
+    subcommands = {Sign.class, Verify.class, VerifyBundle.class})
 public class Sigstore {
   @Spec CommandSpec spec;
 

sigstore-cli/src/main/java/dev/sigstore/cli/Verify.java

@@ -33,7 +33,6 @@
 import java.util.concurrent.Callable;
 import picocli.CommandLine.ArgGroup;
 import picocli.CommandLine.Command;
-import picocli.CommandLine.Option;
 import picocli.CommandLine.Parameters;
 
 @Command(name = "verify", description = "verify an artifact")
@@ -47,20 +46,6 @@ public class Verify implements Callable<Integer> {
   @ArgGroup(multiplicity = "0..1", exclusive = false)
   Policy policy;
 
-  static class Policy {
-    @Option(
-        names = {"--certificate-identity"},
-        description = "subject alternative name in certificate",
-        required = true)
-    private String certificateSan;
-
-    @Option(
-        names = {"--certificate-oidc-issuer"},
-        description = "sigstore issuer in certificate",
-        required = true)
-    private String certificateIssuer;
-  }
-
   @Override
   public Integer call() throws Exception {
     byte[] digest = asByteSource(artifact.toFile()).hash(Hashing.sha256()).asBytes();

sigstore-cli/src/main/java/dev/sigstore/cli/VerifyBundle.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2023 The Sigstore Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package dev.sigstore.cli;
+
+import static com.google.common.io.Files.newReader;
+
+import dev.sigstore.KeylessSignature;
+import dev.sigstore.KeylessVerificationRequest;
+import dev.sigstore.KeylessVerificationRequest.CertificateIdentity;
+import dev.sigstore.KeylessVerificationRequest.VerificationOptions;
+import dev.sigstore.KeylessVerifier;
+import dev.sigstore.bundle.BundleFactory;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Path;
+import java.util.concurrent.Callable;
+import picocli.CommandLine.ArgGroup;
+import picocli.CommandLine.Command;
+import picocli.CommandLine.Option;
+import picocli.CommandLine.Parameters;
+
+@Command(name = "verify-bundle", description = "verify an artifact using a sigstore bundle")
+public class VerifyBundle implements Callable<Integer> {
+  @Parameters(arity = "1", paramLabel = "<artifact>", description = "artifact to verify")
+  Path artifact;
+
+  @Option(
+      names = {"--bundle"},
+      description = "path to bundle file",
+      required = true)
+  Path bundleFile;
+
+  @ArgGroup(multiplicity = "0..1", exclusive = false)
+  Policy policy;
+
+  @Override
+  public Integer call() throws Exception {
+    KeylessSignature keylessSignature =
+        BundleFactory.readBundle(newReader(bundleFile.toFile(), StandardCharsets.UTF_8));
+
+    var verificationOptionsBuilder = VerificationOptions.builder();
+    if (policy != null) {
+      verificationOptionsBuilder.addCertificateIdentities(
+          CertificateIdentity.builder()
+              .issuer(policy.certificateIssuer)
+              .subjectAlternativeName(policy.certificateSan)
+              .build());
+    }
+    var verificationOptions = verificationOptionsBuilder.isOnline(true).build();
+
+    var verifier = new KeylessVerifier.Builder().sigstorePublicDefaults().build();
+    verifier.verify(
+        artifact,
+        KeylessVerificationRequest.builder()
+            .keylessSignature(keylessSignature)
+            .verificationOptions(verificationOptions)
+            .build());
+    return 0;
+  }
+}