interceptor: mask log (#618)

lib/foundation/js_engine.dart

@@ -217,6 +217,7 @@ class JsEngine with _JSEngineApi, JsUiApi, Init {
 
     try {
       var headers = Map<String, dynamic>.from(req["headers"] ?? {});
+      var extra = Map<String, dynamic>.from(req["extra"] ?? {});
       if (headers["user-agent"] == null && headers["User-Agent"] == null) {
         headers["User-Agent"] = webUA;
       }
@@ -244,7 +245,10 @@ class JsEngine with _JSEngineApi, JsUiApi, Init {
               responseType: req["bytes"] == true
                   ? ResponseType.bytes
                   : ResponseType.plain,
-              headers: headers));
+              headers: headers,
+              extra: extra,
+          )
+      );
     } catch (e) {
       error = e.toString();
     }

lib/network/app_dio.dart

@@ -96,11 +96,28 @@ class MyLogInterceptor implements Interceptor {
 
   @override
   void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
+    const String headerMask = "********";
+    const String dataMask = "****** DATA_PROTECTED ******";
     Log.info(
         "Network",
         "${options.method} ${options.uri}\n"
-            "headers:\n${options.headers}\n"
-            "data:\n${options.data}");
+            "headers:\n${
+              options.extra.containsKey("maskHeadersInLog")
+                ? options.headers.map((key, value) =>
+                  MapEntry(
+                    key,
+                    options.extra["maskHeadersInLog"].contains(key)
+                      ? headerMask
+                      : value
+                  ))
+                : options.headers
+            }\n"
+            "data:\n${
+              options.extra["maskDataInLog"] == true
+                ? dataMask
+                : options.data
+            }"
+    );
     options.connectTimeout = const Duration(seconds: 15);
     options.receiveTimeout = const Duration(seconds: 15);
     options.sendTimeout = const Duration(seconds: 15);