lib/fluent/plugin/bigquery/writer.rb in fluent-plugin-bigquery-0.3.1 vs lib/fluent/plugin/bigquery/writer.rb in fluent-plugin-bigquery-0.3.2

@@ -285,15 +285,17 @@
 
       def get_auth_from_json_key
         json_key = @auth_options[:json_key]
 
         begin
+          JSON.parse(json_key)
+          key = StringIO.new(json_key)
+          Google::Auth::ServiceAccountCredentials.make_creds(json_key_io: key, scope: @scope)
+        rescue JSON::ParserError
+          key = json_key
           File.open(json_key) do |f|
             Google::Auth::ServiceAccountCredentials.make_creds(json_key_io: f, scope: @scope)
           end
-        rescue Errno::ENOENT
-          key = StringIO.new(json_key)
-          Google::Auth::ServiceAccountCredentials.make_creds(json_key_io: key, scope: @scope)
         end
       end
 
       def get_auth_from_application_default
         Google::Auth.get_application_default([@scope])