enhancement: added cosign verify code for keyless signing

Author: mahendraintelops

cmd/artifacts/cosign/verifier.go

@@ -2,24 +2,105 @@ package cosign
 
 import (
 	"context"
-	"fmt"
+	"github.com/fatih/color"
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/sigstore/cosign/v2/cmd/cosign/cli/fulcio"
+	"github.com/sigstore/cosign/v2/cmd/cosign/cli/options"
+	"github.com/sigstore/cosign/v2/cmd/cosign/cli/rekor"
+	"github.com/sigstore/cosign/v2/cmd/cosign/cli/verify"
+	"github.com/sigstore/cosign/v2/pkg/cosign"
+	sig "github.com/sigstore/cosign/v2/pkg/signature"
+	"github.com/sigstore/sigstore/pkg/cryptoutils"
 	log "github.com/sirupsen/logrus"
-	"os/exec"
 )
 
-func VerifyImage(ctx context.Context) error {
+func VerifyArtifact(ctx context.Context, key string) error {
 	artifactURL := ctx.Value("artifactURL").(string)
-	//publicKeyPath := ctx.Value("publicKeyPath").(string)
-	publicKeyPath := "/Users/mahendrabagul/DevEnv/intelops/cosign-keys/cosign.pub"
-	// Construct the command to verify the image
-	cmd := exec.Command("cosign", "verify", "--key", publicKeyPath, artifactURL)
-
-	// Capture the output and error if any
-	output, err := cmd.CombinedOutput()
+	ref, err := name.ParseReference(artifactURL)
+	if err != nil {
+		log.Errorf("parsing reference: %v", err)
+		return err
+	}
+	chopts := &cosign.CheckOpts{
+		ClaimVerifier: cosign.SimpleClaimVerifier,
+	}
+	chopts.RekorClient, err = rekor.NewClient(options.DefaultRekorURL)
+	if err != nil {
+		log.Errorf("creating Rekor client: %v", err)
+		return err
+	}
+	chopts.RootCerts, err = fulcio.GetRoots()
+	if err != nil {
+		log.Errorf("getting Fulcio root certs: %v", err)
+		return err
+	}
+	ro := options.RegistryOptions{}
+	chopts.RegistryClientOpts, err = ro.ClientOpts(ctx)
+	if err != nil {
+		log.Errorf("getting registry client options: %v", err)
+		return err
+	}
+	chopts.IntermediateCerts, err = fulcio.GetIntermediates()
 	if err != nil {
-		return fmt.Errorf("verification failed: %w\nOutput: %s", err, output)
+		log.Errorf("unable to get Fulcio intermediate certs: %s", err)
+		return err
+	}
+	// Check if PubKey is supplied
+	if key != "" {
+		pub, err := sig.LoadPublicKey(ctx, key)
+		if err != nil {
+			log.Errorf("Error loading Pub Key: %v", err)
+			return err
+		}
+		chopts.SigVerifier = pub
+	}
+	fulcioVerified := chopts.SigVerifier == nil
+	chopts.RekorPubKeys, err = cosign.GetRekorPubs(ctx)
+	if err != nil {
+		log.Errorf("unable to get Rekor public keys: %s", err)
+		return err
+	}
+	chopts.CTLogPubKeys, err = cosign.GetCTLogPubs(ctx)
+	if err != nil {
+		log.Errorf("unable to get CTLog public keys: %s", err)
+		return err
+	}
+	sigs, bundleVerified, err := cosign.VerifyImageSignatures(context.Background(), ref, chopts)
+	if err != nil {
+		log.Errorf("verifying image signatures: %v", err)
+		return err
 	}
 
-	log.Infof("Verification succeeded:\n%s", output)
+	if bundleVerified {
+		verify.PrintVerificationHeader(ctx, ref.String(), chopts, bundleVerified, fulcioVerified)
+		for _, signature := range sigs {
+			if cert, err := signature.Cert(); err == nil && cert != nil {
+				ce := cosign.CertExtensions{Cert: cert}
+				sub := ""
+				if sans := cryptoutils.GetSubjectAlternateNames(cert); len(sans) > 0 {
+					sub = sans[0]
+				}
+				color.Green("Certificate subject: %s", sub)
+				if issuerURL := ce.GetIssuer(); issuerURL != "" {
+					color.Green("Certificate issuer URL: %s", issuerURL)
+				}
+				if githubWorkflowTrigger := ce.GetCertExtensionGithubWorkflowTrigger(); githubWorkflowTrigger != "" {
+					color.Green("GitHub Workflow Trigger: %s", githubWorkflowTrigger)
+				}
+				if githubWorkflowSha := ce.GetExtensionGithubWorkflowSha(); githubWorkflowSha != "" {
+					color.Green("GitHub Workflow SHA: %s", githubWorkflowSha)
+				}
+				if githubWorkflowName := ce.GetCertExtensionGithubWorkflowName(); githubWorkflowName != "" {
+					color.Green("GitHub Workflow Name: %s", githubWorkflowName)
+				}
+				if githubWorkflowRepository := ce.GetCertExtensionGithubWorkflowRepository(); githubWorkflowRepository != "" {
+					color.Green("GitHub Workflow Repository: %s", githubWorkflowRepository)
+				}
+				if githubWorkflowRef := ce.GetCertExtensionGithubWorkflowRef(); githubWorkflowRef != "" {
+					color.Green("GitHub Workflow Ref: %s", githubWorkflowRef)
+				}
+			}
+		}
+	}
 	return nil
 }

cmd/artifacts/puller.go

@@ -51,7 +51,7 @@ func PullOCIArtifact(language, version string) error {
 	}
 
 	log.Infof("verifying artifact %s \n", artifactURL)
-	err = cosign.VerifyImage(ctx)
+	err = cosign.VerifyArtifact(ctx, "")
 	if err != nil {
 		log.Errorf("error:%v", err)
 		return err

go.mod

@@ -3,10 +3,14 @@ module github.com/intelops/compage
 go 1.22
 
 require (
+	github.com/fatih/color v1.15.0
 	github.com/gertd/go-pluralize v0.2.1
 	github.com/go-git/go-git/v5 v5.11.0
+	github.com/google/go-containerregistry v0.19.1
 	github.com/iancoleman/strcase v0.3.0
 	github.com/opencontainers/image-spec v1.1.0
+	github.com/sigstore/cosign/v2 v2.2.3
+	github.com/sigstore/sigstore v1.8.3
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/viper v1.18.2
@@ -24,52 +28,230 @@ require (
 )
 
 require (
+	cloud.google.com/go/compute v1.23.3 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cuelabs.dev/go/oci/ociregistry v0.0.0-20231103182354-93e78c079a13 // indirect
+	cuelang.org/go v0.7.0 // indirect
 	dario.cat/mergo v1.0.0 // indirect
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/AliyunContainerService/ack-ram-tool/pkg/credentials/alibabacloudsdkgo/helper v0.2.0 // indirect
+	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect
+	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
+	github.com/Azure/go-autorest/autorest v0.11.29 // indirect
+	github.com/Azure/go-autorest/autorest/adal v0.9.23 // indirect
+	github.com/Azure/go-autorest/autorest/azure/auth v0.5.12 // indirect
+	github.com/Azure/go-autorest/autorest/azure/cli v0.4.6 // indirect
+	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
+	github.com/Azure/go-autorest/logger v0.2.1 // indirect
+	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/ProtonMail/go-crypto v1.0.0 // indirect
+	github.com/ThalesIgnite/crypto11 v1.2.5 // indirect
+	github.com/agnivade/levenshtein v1.1.1 // indirect
+	github.com/alibabacloud-go/alibabacloud-gateway-spi v0.0.4 // indirect
+	github.com/alibabacloud-go/cr-20160607 v1.0.1 // indirect
+	github.com/alibabacloud-go/cr-20181201 v1.0.10 // indirect
+	github.com/alibabacloud-go/darabonba-openapi v0.2.1 // indirect
+	github.com/alibabacloud-go/debug v1.0.0 // indirect
+	github.com/alibabacloud-go/endpoint-util v1.1.1 // indirect
+	github.com/alibabacloud-go/openapi-util v0.1.0 // indirect
+	github.com/alibabacloud-go/tea v1.2.1 // indirect
+	github.com/alibabacloud-go/tea-utils v1.4.5 // indirect
+	github.com/alibabacloud-go/tea-xml v1.1.3 // indirect
+	github.com/aliyun/credentials-go v1.3.1 // indirect
+	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.24.1 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.26.6 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.16.16 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.14.11 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.2.10 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.5.10 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.7.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ecr v1.20.2 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ecrpublic v1.18.2 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.10.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.10.10 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.18.7 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.21.7 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.26.7 // indirect
+	github.com/aws/smithy-go v1.19.0 // indirect
+	github.com/awslabs/amazon-ecr-credential-helper/ecr-login v0.0.0-20231024185945-8841054dbdb8 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/blang/semver v3.5.1+incompatible // indirect
+	github.com/buildkite/agent/v3 v3.62.0 // indirect
+	github.com/buildkite/go-pipeline v0.3.2 // indirect
+	github.com/buildkite/interpolate v0.0.0-20200526001904-07f35b4ae251 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/chrismellard/docker-credential-acr-env v0.0.0-20230304212654-82a0ddb27589 // indirect
+	github.com/clbanning/mxj/v2 v2.7.0 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/cockroachdb/apd/v3 v3.2.1 // indirect
+	github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be // indirect
+	github.com/containerd/stargz-snapshotter/estargz v0.14.3 // indirect
+	github.com/coreos/go-oidc/v3 v3.9.0 // indirect
+	github.com/cyberphone/json-canonicalization v0.0.0-20231011164504-785e29786b46 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/digitorus/pkcs7 v0.0.0-20230818184609-3a137a874352 // indirect
+	github.com/digitorus/timestamp v0.0.0-20231217203849-220c5c2851b7 // indirect
+	github.com/dimchansky/utfbom v1.1.1 // indirect
+	github.com/docker/cli v24.0.7+incompatible // indirect
+	github.com/docker/distribution v2.8.3+incompatible // indirect
+	github.com/docker/docker v24.0.7+incompatible // indirect
+	github.com/docker/docker-credential-helpers v0.8.0 // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
+	github.com/emicklei/proto v1.12.1 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/go-chi/chi v4.1.2+incompatible // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.5.0 // indirect
+	github.com/go-ini/ini v1.67.0 // indirect
+	github.com/go-jose/go-jose/v3 v3.0.3 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/analysis v0.22.0 // indirect
+	github.com/go-openapi/errors v0.21.0 // indirect
+	github.com/go-openapi/jsonpointer v0.20.2 // indirect
+	github.com/go-openapi/jsonreference v0.20.4 // indirect
+	github.com/go-openapi/loads v0.21.5 // indirect
+	github.com/go-openapi/runtime v0.27.1 // indirect
+	github.com/go-openapi/spec v0.20.13 // indirect
+	github.com/go-openapi/strfmt v0.22.0 // indirect
+	github.com/go-openapi/swag v0.22.9 // indirect
+	github.com/go-openapi/validate v0.22.4 // indirect
+	github.com/go-piv/piv-go v1.11.0 // indirect
+	github.com/gobwas/glob v0.2.3 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/certificate-transparency-go v1.1.7 // indirect
+	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-github/v55 v55.0.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/s2a-go v0.1.7 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
+	github.com/gorilla/mux v1.8.1 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.5 // indirect
+	github.com/hashicorp/hcl v1.0.1-vault-5 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/in-toto/in-toto-golang v0.9.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/klauspost/compress v1.17.2 // indirect
+	github.com/letsencrypt/boulder v0.0.0-20231026200631-000cd05d5491 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
+	github.com/miekg/pkcs11 v1.1.1 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/mozillazg/docker-credential-acr-helper v0.3.0 // indirect
+	github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/nozzle/throttler v0.0.0-20180817012639-2ea982251481 // indirect
+	github.com/oklog/ulid v1.3.1 // indirect
+	github.com/oleiade/reflections v1.0.1 // indirect
+	github.com/open-policy-agent/opa v0.61.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/pborman/uuid v1.2.1 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.18.0 // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.45.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/protocolbuffers/txtpbfmt v0.0.0-20231025115547-084445ff1adf // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sassoftware/relic v7.2.1+incompatible // indirect
+	github.com/secure-systems-lab/go-securesystemslib v0.8.0 // indirect
+	github.com/segmentio/ksuid v1.0.4 // indirect
 	github.com/sergi/go-diff v1.3.1 // indirect
+	github.com/shibumi/go-pathspec v1.3.0 // indirect
+	github.com/sigstore/fulcio v1.4.3 // indirect
+	github.com/sigstore/rekor v1.3.4 // indirect
+	github.com/sigstore/timestamp-authority v1.2.1 // indirect
 	github.com/skeema/knownhosts v1.2.2 // indirect
+	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spiffe/go-spiffe/v2 v2.1.7 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
+	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
+	github.com/thales-e-security/pool v0.0.2 // indirect
+	github.com/theupdateframework/go-tuf v0.7.0 // indirect
+	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect
+	github.com/tjfoc/gmsm v1.4.1 // indirect
+	github.com/transparency-dev/merkle v0.0.2 // indirect
+	github.com/vbatts/tar-split v0.11.5 // indirect
+	github.com/xanzy/go-gitlab v0.96.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/yashtewari/glob-intersection v0.2.0 // indirect
+	github.com/zeebo/errs v1.3.0 // indirect
+	go.mongodb.org/mongo-driver v1.13.1 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 // indirect
 	go.opentelemetry.io/otel/metric v1.24.0 // indirect
 	go.opentelemetry.io/otel/trace v1.24.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
+	go.step.sm/crypto v0.42.1 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.26.0 // indirect
 	golang.org/x/crypto v0.21.0 // indirect
 	golang.org/x/mod v0.16.0 // indirect
 	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/oauth2 v0.17.0 // indirect
 	golang.org/x/sync v0.6.0 // indirect
 	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/term v0.18.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.19.0 // indirect
+	google.golang.org/api v0.159.0 // indirect
+	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240314234333-6e1732d8331c // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240314234333-6e1732d8331c // indirect
+	gopkg.in/go-jose/go-jose.v2 v2.6.3 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/api v0.28.3 // indirect
+	k8s.io/apimachinery v0.28.3 // indirect
+	k8s.io/client-go v0.28.3 // indirect
+	k8s.io/klog/v2 v2.100.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
+	k8s.io/utils v0.0.0-20230726121419-3b25d923346b // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/release-utils v0.7.7 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.3.0 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )