chore(server): add UploadAssetFromURL on gcs file implementation

.github/workflows/ci_server.yml

@@ -22,7 +22,6 @@ jobs:
           version: v1.63.4
           args: --timeout=10m
           working-directory: server
-
   ci-server-test:
     runs-on: ubuntu-latest
     services:
@@ -31,6 +30,13 @@ jobs:
         ports:
           - 27017:27017
     steps:
+      - name: Start Fake GCS Server
+        run: |
+          docker run -d --name fake-gcs-server \
+            -p 4443:4443 \
+            -v /tmp/gcs:/storage \
+            fsouza/fake-gcs-server:1.52.1 \
+            -scheme http
       - name: checkout
         uses: actions/checkout@v3
       - name: set up

docker-compose.yml

@@ -21,7 +21,7 @@ services:
     volumes:
       - ./mongo:/data/db
   gcs:
-    image: fsouza/fake-gcs-server
+    image: fsouza/fake-gcs-server:1.52.1
     ports:
       - 4443:4443
     volumes:

server/internal/app/repo.go

@@ -109,7 +109,7 @@ func initFile(ctx context.Context, conf *config.Config) (fileRepo gateway.File)
 	var err error
 	if conf.GCS.IsConfigured() {
 		log.Infofc(ctx, "file: GCS storage is used: %s\n", conf.GCS.BucketName)
-		fileRepo, err = gcs.NewFile(conf.GCS.BucketName, conf.AssetBaseURL, conf.GCS.PublicationCacheControl)
+		fileRepo, err = gcs.NewFile(conf.Dev, conf.GCS.BucketName, conf.AssetBaseURL, conf.GCS.PublicationCacheControl)
 		if err != nil {
 			log.Warnf("file: failed to init GCS storage: %s\n", err.Error())
 		}

server/internal/infrastructure/fs/file.go

@@ -51,6 +51,11 @@ func (f *fileRepo) UploadAsset(ctx context.Context, file *file.File) (*url.URL,
 	return getAssetFileURL(f.urlBase, filename), size, nil
 }
 
+func (f *fileRepo) UploadAssetFromURL(ctx context.Context, u *url.URL) (*url.URL, int64, error) {
+	// Note: not implemented
+	return nil, 0, errors.New("UploadAssetFromURL: not implemented for local file storage")
+}
+
 func (f *fileRepo) RemoveAsset(ctx context.Context, u *url.URL) error {
 	if u == nil {
 		return nil

server/internal/infrastructure/gcs/file.go

@@ -5,9 +5,11 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"net/http"
 	"net/url"
 	"path"
 	"strings"
+	"time"
 
 	"cloud.google.com/go/storage"
 	"github.com/kennygrant/sanitize"
@@ -18,6 +20,7 @@ import (
 	"github.com/reearth/reearthx/rerror"
 	"github.com/spf13/afero"
 	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
 )
 
 const (
@@ -30,12 +33,17 @@ const (
 )
 
 type fileRepo struct {
+	isDev        bool
 	bucketName   string
 	base         *url.URL
 	cacheControl string
 }
 
-func NewFile(bucketName, base string, cacheControl string) (gateway.File, error) {
+const (
+	devBaseURL = "http://localhost:4443/storage/v1/b"
+)
+
+func NewFile(isDev bool, bucketName, base string, cacheControl string) (gateway.File, error) {
 	if bucketName == "" {
 		return nil, errors.New("bucket name is empty")
 	}
@@ -52,6 +60,7 @@ func NewFile(bucketName, base string, cacheControl string) (gateway.File, error)
 	}
 
 	return &fileRepo{
+		isDev:        isDev,
 		bucketName:   bucketName,
 		base:         u,
 		cacheControl: cacheControl,
@@ -104,6 +113,61 @@ func (f *fileRepo) RemoveAsset(ctx context.Context, u *url.URL) error {
 	return f.delete(ctx, sn)
 }
 
+func (f *fileRepo) UploadAssetFromURL(ctx context.Context, u *url.URL) (*url.URL, int64, error) {
+	if u == nil {
+		return nil, 0, errors.New("invalid URL")
+	}
+
+	ctxWithTimeout, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+	req, err := http.NewRequestWithContext(ctxWithTimeout, http.MethodGet, u.String(), nil)
+	if err != nil {
+		return nil, 0, fmt.Errorf("failed to create request: %w", err)
+	}
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		log.Errorfc(ctx, "gcs: failed to fetch URL: %v", err)
+		return nil, 0, errors.New("failed to fetch URL")
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		log.Errorfc(ctx, "gcs: failed to fetch URL, status: %d", resp.StatusCode)
+		return nil, 0, errors.New("failed to fetch URL")
+	}
+
+	if resp.ContentLength > 0 && resp.ContentLength >= fileSizeLimit {
+		return nil, 0, gateway.ErrFileTooLarge
+	}
+
+	defer func() {
+		if err := resp.Body.Close(); err != nil {
+			log.Errorfc(ctx, "gcs: failed to close response body: %v", err)
+		}
+	}()
+
+	fileName := path.Base(u.Path)
+	if fileName == "" {
+		return nil, 0, gateway.ErrInvalidFile
+	}
+	fileName = sanitize.Path(newAssetID() + path.Ext(fileName))
+	filename := path.Join(gcsAssetBasePath, fileName)
+
+	size, err := f.upload(ctx, filename, resp.Body)
+	if err != nil {
+		log.Errorfc(ctx, "gcs: upload from URL failed: %v", err)
+		return nil, 0, err
+	}
+
+	gcsURL := getGCSObjectURL(f.base, filename)
+	if gcsURL == nil {
+		return nil, 0, gateway.ErrInvalidFile
+	}
+
+	return gcsURL, size, nil
+}
+
 // plugin
 
 func (f *fileRepo) ReadPluginFile(ctx context.Context, pid id.PluginID, filename string) (io.ReadCloser, error) {
@@ -231,7 +295,11 @@ func (f *fileRepo) RemoveExportProjectZip(ctx context.Context, filename string)
 // helpers
 
 func (f *fileRepo) bucket(ctx context.Context) (*storage.BucketHandle, error) {
-	client, err := storage.NewClient(ctx)
+	opts := []option.ClientOption{}
+	if f.isDev {
+		opts = append(opts, option.WithoutAuthentication(), option.WithEndpoint(devBaseURL))
+	}
+	client, err := storage.NewClient(ctx, opts...)
 	if err != nil {
 		return nil, err
 	}

server/internal/infrastructure/gcs/file_test.go

@@ -1,12 +1,88 @@
 package gcs
 
 import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
 	"net/url"
+	"os"
+	"path"
+	"strings"
 	"testing"
 
+	"cloud.google.com/go/storage"
+	"github.com/google/uuid"
+	"github.com/reearth/reearthx/log"
 	"github.com/stretchr/testify/assert"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
 )
 
+func uploadTestData(client *storage.Client, bucketName string, testFileName string) {
+	ctx := context.Background()
+
+	bucket := client.Bucket(bucketName)
+	err := bucket.Create(ctx, "", nil)
+	if err != nil {
+		panic(err)
+	}
+
+	object := bucket.Object(testFileName)
+	if err := object.Delete(ctx); err != nil && !errors.Is(err, storage.ErrObjectNotExist) {
+		panic(err)
+	}
+	writer := object.NewWriter(ctx)
+
+	content, err := os.Open("testdata/geojson.json")
+	if err != nil {
+		panic(err)
+	}
+
+	_, err = io.Copy(writer, content)
+	if err != nil {
+		panic(err)
+	}
+
+	if err := writer.Close(); err != nil {
+		panic(err)
+	}
+}
+
+func createBucket(client *storage.Client, bucketName string) {
+	ctx := context.Background()
+	bucket := client.Bucket(bucketName)
+	err := bucket.Create(ctx, "", nil)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func deleteBucketWithObjects(client *storage.Client, bucketName string) {
+	ctx := context.Background()
+	bucket := client.Bucket(bucketName)
+
+	it := bucket.Objects(ctx, nil)
+	for {
+		objAttrs, err := it.Next()
+		if err == iterator.Done {
+			break
+		}
+		if err != nil {
+			panic(err)
+		}
+		if err := bucket.Object(objAttrs.Name).Delete(ctx); err != nil {
+			panic(err)
+		}
+	}
+
+	if err := bucket.Delete(ctx); err != nil {
+		panic(err)
+	}
+
+	log.Printf("Bucket %s deleted successfully", bucketName)
+}
+
 func TestGetGCSObjectURL(t *testing.T) {
 	e, _ := url.Parse("https://hoge.com/assets/xxx.yyy")
 	b, _ := url.Parse("https://hoge.com/assets")
@@ -22,3 +98,37 @@ func TestGetGCSObjectNameFromURL(t *testing.T) {
 	assert.Equal(t, "", getGCSObjectNameFromURL(nil, u))
 	assert.Equal(t, "", getGCSObjectNameFromURL(b, nil))
 }
+
+func TestUploadAssetFromURL(t *testing.T) {
+	ctx := context.Background()
+
+	// Mock fileRepo
+	baseURL, _ := url.Parse("http://0.0.0.0:4443/download/storage/v1/b")
+
+	distBucketName := strings.ToLower(uuid.New().String())
+	srcBucketName := fmt.Sprintf("test-bucket-%s", distBucketName)
+	client, _ := storage.NewClient(ctx, option.WithoutAuthentication(), option.WithEndpoint(devBaseURL))
+
+	defer func() {
+		deleteBucketWithObjects(client, distBucketName)
+		deleteBucketWithObjects(client, srcBucketName)
+		err := client.Close()
+		if err != nil {
+			t.Fatalf("failed to close client: %v", err)
+		}
+	}()
+
+	createBucket(client, distBucketName)
+
+	testFileName := uuid.New().String()
+	uploadTestData(client, srcBucketName, testFileName)
+
+	newFileRepo, err := NewFile(true, distBucketName, baseURL.String(), "")
+	assert.NoError(t, err)
+
+	srcURL, _ := url.Parse(fmt.Sprintf("%s/%s/o/%s", baseURL.String(), srcBucketName, testFileName))
+	uploadedURL, _, err := newFileRepo.UploadAssetFromURL(ctx, srcURL)
+
+	assert.NoError(t, err)
+	assert.Equal(t, fmt.Sprintf("%s/assets/%s", baseURL.String(), path.Base(uploadedURL.Path)), uploadedURL.String())
+}

server/internal/infrastructure/gcs/testdata/geojson.json

@@ -0,0 +1,34 @@
+{ "type": "FeatureCollection",
+  "features": [
+    { "type": "Feature",
+      "geometry": {"type": "Point", "coordinates": [102.0, 0.5]},
+      "properties": {"prop0": "value0"}
+      },
+    { "type": "Feature",
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
+          ]
+        },
+      "properties": {
+        "prop0": "value0",
+        "prop1": 0.0
+        }
+      },
+    { "type": "Feature",
+       "geometry": {
+         "type": "Polygon",
+         "coordinates": [
+           [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
+             [100.0, 1.0], [100.0, 0.0] ]
+           ]
+
+       },
+       "properties": {
+         "prop0": "value0",
+         "prop1": {"this": "that"}
+         }
+       }
+    ]
+  }

server/internal/infrastructure/s3/s3.go

@@ -103,6 +103,11 @@ func (f *fileRepo) UploadAsset(ctx context.Context, file *file.File) (*url.URL,
 	return u, s, nil
 }
 
+func (f *fileRepo) UploadAssetFromURL(ctx context.Context, u *url.URL) (*url.URL, int64, error) {
+	// Note: not implemented
+	return nil, 0, errors.New("UploadAssetFromURL: not implemented for local file storage")
+}
+
 func (f *fileRepo) RemoveAsset(ctx context.Context, u *url.URL) error {
 	log.Infofc(ctx, "s3: asset deleted: %s", u)
 

server/internal/usecase/gateway/file.go

@@ -21,6 +21,7 @@ var (
 type File interface {
 	ReadAsset(context.Context, string) (io.ReadCloser, error)
 	UploadAsset(context.Context, *file.File) (*url.URL, int64, error)
+	UploadAssetFromURL(context.Context, *url.URL) (*url.URL, int64, error)
 	RemoveAsset(context.Context, *url.URL) error
 
 	ReadPluginFile(context.Context, id.PluginID, string) (io.ReadCloser, error)