Update ArifactView enum to allow pipelines artifacts api to have opti…

…onal content disposition

backend/api/v2beta1/artifacts.proto

@@ -55,6 +55,10 @@ message GetArtifactRequest {
 
     // Server responses include download_url
     DOWNLOAD = 2;
+
+    // Server response includes a signed URL,
+    // allowing in-browser rendering or preview of the artifact.
+    RENDER = 3;
   }
 
   // Optional. Set to "DOWNLOAD" to included a signed URL with
@@ -137,4 +141,7 @@ message Artifact {
   // and the error message is returned. Client has the flexibility of choosing
   // how to handle the error. This is especially useful when calling ListArtifacts.
   google.rpc.Status error = 11;
+  // Optional Output. Specifies a signed URL that can be used to
+  // render this Artifact directly from its store.
+  string render_url = 12;
 }

backend/src/apiserver/resource/resource_manager.go

@@ -2052,6 +2052,14 @@ func (r *ResourceManager) GetSignedUrl(bucketConfig *objectstore.Config, secret
 	return signedUrl, nil
 }
 
+func (r *ResourceManager) GetSignedUrlWithoutContentDisposition(bucketConfig *objectstore.Config, secret *corev1.Secret, expirySeconds time.Duration, artifactURI string) (string, error) {
+	signedUrl, err := r.objectStore.GetSignedUrlWithoutContentDisposition(bucketConfig, secret, expirySeconds, artifactURI)
+	if err != nil {
+		return "", err
+	}
+	return signedUrl, nil
+}
+
 // GetObjectSize retrieves the size of the Artifact's object in bytes.
 func (r *ResourceManager) GetObjectSize(bucketConfig *objectstore.Config, secret *corev1.Secret, artifactURI string) (int64, error) {
 	size, err := r.objectStore.GetObjectSize(bucketConfig, secret, artifactURI)

backend/src/apiserver/resource/resource_manager_test.go

@@ -87,6 +87,10 @@ func (m *FakeBadObjectStore) GetSignedUrl(bucketConfig *objectstore.Config, secr
 	return "", util.NewInternalServerError(errors.New("Error"), "bad object store")
 }
 
+func (m *FakeBadObjectStore) GetSignedUrlWithoutContentDisposition(bucketConfig *objectstore.Config, secret *corev1.Secret, expirySeconds time.Duration, artifactURI string) (string, error) {
+	return "", util.NewInternalServerError(errors.New("Error"), "bad object store")
+}
+
 func (m *FakeBadObjectStore) GetObjectSize(bucketConfig *objectstore.Config, secret *corev1.Secret, artifactURI string) (int64, error) {
 	return 0, util.NewInternalServerError(errors.New("Error"), "bad object store")
 }

backend/src/apiserver/server/artifact_server.go

@@ -141,7 +141,7 @@ func (s *ArtifactServer) ListArtifacts(ctx context.Context, r *apiv2beta1.ListAr
 		if err1 != nil || bucketConfig == nil {
 			return nil, util.NewInternalServerError(fmt.Errorf("failed to retrieve session info error: %v", err1), artifactId)
 		}
-		artifactResp, err1 := s.generateResponseArtifact(ctx, artifact, bucketConfig, namespace, false)
+		artifactResp, err1 := s.generateResponseArtifact(ctx, artifact, bucketConfig, namespace, false, false)
 		if err1 != nil {
 			return nil, util.NewInternalServerError(fmt.Errorf("encountered error parsing artifact: %v", err), artifactId)
 		}
@@ -186,12 +186,15 @@ func (s *ArtifactServer) GetArtifact(ctx context.Context, r *apiv2beta1.GetArtif
 		return nil, util.Wrap(err, "Failed to authorize the request")
 	}
 
-	downloadURL := false
-	if r.GetView() == apiv2beta1.GetArtifactRequest_DOWNLOAD {
+	downloadURL, renderURL := false, false
+
+	switch r.GetView() {
+	case apiv2beta1.GetArtifactRequest_DOWNLOAD:
 		downloadURL = true
+	case apiv2beta1.GetArtifactRequest_RENDER:
+		renderURL = true
 	}
-
-	artifactResp, err := s.generateResponseArtifact(ctx, artifact, sessionInfo, namespace, downloadURL)
+	artifactResp, err := s.generateResponseArtifact(ctx, artifact, sessionInfo, namespace, downloadURL, renderURL)
 	if err != nil {
 		return nil, util.NewInternalServerError(fmt.Errorf("encountered error parsing artifact: %v", err), r.ArtifactId)
 	}
@@ -212,6 +215,7 @@ func (s *ArtifactServer) generateResponseArtifact(
 	bucketConfig *objectstore.Config,
 	namespace string,
 	includeShareUrl bool,
+	includeRenderUrl bool,
 ) (*apiv2beta1.Artifact, error) {
 	params, err := objectstore.StructuredS3Params(bucketConfig.SessionInfo.Params)
 	if err != nil {
@@ -251,6 +255,15 @@ func (s *ArtifactServer) generateResponseArtifact(
 		artifactResp.DownloadUrl = shareUrl
 	}
 
+	if includeRenderUrl {
+		expiry := time.Second * time.Duration(common.GetSignedURLExpiryTimeSeconds())
+		renderUrl, err := s.resourceManager.GetSignedUrlWithoutContentDisposition(bucketConfig, secret, expiry, *artifact.Uri)
+		if err != nil {
+			return nil, err
+		}
+		artifactResp.RenderUrl = renderUrl
+	}
+
 	return artifactResp, nil
 }
 

backend/src/apiserver/storage/object_store.go

@@ -41,6 +41,7 @@ type ObjectStoreInterface interface {
 	GetFromYamlFile(o interface{}, filePath string) error
 	GetPipelineKey(pipelineId string) string
 	GetSignedUrl(bucketConfig *objectstore.Config, secret *v1.Secret, expirySeconds time.Duration, artifactURI string) (string, error)
+	GetSignedUrlWithoutContentDisposition(bucketConfig *objectstore.Config, secret *v1.Secret, expirySeconds time.Duration, artifactURI string) (string, error)
 	GetObjectSize(bucketConfig *objectstore.Config, secret *v1.Secret, artifactURI string) (int64, error)
 }
 
@@ -151,6 +152,26 @@ func (m *MinioObjectStore) GetSignedUrl(bucketConfig *objectstore.Config, secret
 	return signedUrl.String(), nil
 }
 
+func (m *MinioObjectStore) GetSignedUrlWithoutContentDisposition(bucketConfig *objectstore.Config, secret *v1.Secret, expirySeconds time.Duration, artifactURI string) (string, error) {
+	s3Client, err := buildClientFromConfig(bucketConfig, secret)
+	if err != nil {
+		return "", err
+	}
+
+	key, err := objectstore.ArtifactKeyFromURI(artifactURI)
+	if err != nil {
+		return "", err
+	}
+	reqParams := make(url.Values)
+	reqParams.Set("response-content-disposition", "inline")
+	signedUrl, err := s3Client.Presign("GET", bucketConfig.BucketName, key, expirySeconds, reqParams)
+	if err != nil {
+		return "", util.Wrap(err, "Failed to generate signed url")
+	}
+
+	return signedUrl.String(), nil
+}
+
 // GetObjectSize Retrieves the Size of the object in bytes.
 // Return zero with no error if artifact URI does not exist.
 func (m *MinioObjectStore) GetObjectSize(bucketConfig *objectstore.Config, secret *v1.Secret, artifactURI string) (int64, error) {

backend/src/apiserver/storage/object_store_fake.go

@@ -15,9 +15,10 @@
 package storage
 
 import (
-	"github.com/kubeflow/pipelines/backend/src/v2/objectstore"
-	"k8s.io/api/core/v1"
 	"time"
+
+	"github.com/kubeflow/pipelines/backend/src/v2/objectstore"
+	v1 "k8s.io/api/core/v1"
 )
 
 type fakeMinioObjectStore struct {
@@ -52,6 +53,10 @@ func (m *fakeMinioObjectStore) GetSignedUrl(*objectstore.Config, *v1.Secret, tim
 	return "dummy-signed-url", nil
 }
 
+func (m *fakeMinioObjectStore) GetSignedUrlWithoutContentDisposition(*objectstore.Config, *v1.Secret, time.Duration, string) (string, error) {
+	return "dummy-render-url", nil
+}
+
 func (m *fakeMinioObjectStore) GetObjectSize(*objectstore.Config, *v1.Secret, string) (int64, error) {
 	return 123, nil
 }