feat: support Application Default Credentials in googlecloud (#18)

* feat: support Application Default Credentials * Update googlecloud.go --------- Co-authored-by: Yang Luo <[email protected]>
casdoor · Aug 14, 2024 · d9cc8ee · d9cc8ee
1 parent 8c2ae92
commit d9cc8ee
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/googlecloud/googlecloud.go b/googlecloud/googlecloud.go
@@ -44,8 +44,19 @@ type Config struct {
 
 // New initializes Google Cloud Storage
 func New(config *Config) (*Client, error) {
-	ctx := context.Background()
-	credentials, err := google.CredentialsFromJSON(ctx, []byte(config.ServiceAccountJson), "https://www.googleapis.com/auth/cloud-platform")
+	var (
+		ctx   = context.Background()
+		scope = "https://www.googleapis.com/auth/cloud-platform"
+
+		credentials *google.Credentials
+		err         error
+	)
+
+	if config.ServiceAccountJson != "" {
+		credentials, err = google.CredentialsFromJSON(ctx, []byte(config.ServiceAccountJson), scope)
+	} else {
+		credentials, err = google.FindDefaultCredentials(ctx, scope)
+	}
 	if err != nil {
 		return nil, err
 	}