tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

PaymentRequestUtils.cpp (2111B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "PaymentRequestUtils.h"
      8 
      9 #include "js/JSON.h"
     10 #include "nsArrayUtils.h"
     11 #include "nsContentUtils.h"
     12 #include "nsTString.h"
     13 
     14 namespace mozilla::dom {
     15 
     16 nsresult SerializeFromJSObject(JSContext* aCx, JS::Handle<JSObject*> aObject,
     17                               nsAString& aSerializedObject) {
     18  MOZ_ASSERT(aCx);
     19  JS::Rooted<JS::Value> value(aCx, JS::ObjectValue(*aObject));
     20  return SerializeFromJSVal(aCx, value, aSerializedObject);
     21 }
     22 
     23 nsresult SerializeFromJSVal(JSContext* aCx, JS::Handle<JS::Value> aValue,
     24                            nsAString& aSerializedValue) {
     25  aSerializedValue.Truncate();
     26  NS_ENSURE_TRUE(nsContentUtils::StringifyJSON(aCx, aValue, aSerializedValue,
     27                                               UndefinedIsNullStringLiteral),
     28                 NS_ERROR_XPC_BAD_CONVERT_JS);
     29  NS_ENSURE_TRUE(!aSerializedValue.IsEmpty(), NS_ERROR_FAILURE);
     30  return NS_OK;
     31 }
     32 
     33 nsresult DeserializeToJSObject(const nsAString& aSerializedObject,
     34                               JSContext* aCx,
     35                               JS::MutableHandle<JSObject*> aObject) {
     36  MOZ_ASSERT(aCx);
     37  JS::Rooted<JS::Value> value(aCx);
     38  nsresult rv = DeserializeToJSValue(aSerializedObject, aCx, &value);
     39  if (NS_WARN_IF(NS_FAILED(rv))) {
     40    return rv;
     41  }
     42  if (value.isObject()) {
     43    aObject.set(&value.toObject());
     44  } else {
     45    aObject.set(nullptr);
     46  }
     47  return NS_OK;
     48 }
     49 
     50 nsresult DeserializeToJSValue(const nsAString& aSerializedObject,
     51                              JSContext* aCx,
     52                              JS::MutableHandle<JS::Value> aValue) {
     53  MOZ_ASSERT(aCx);
     54  if (!JS_ParseJSON(aCx, aSerializedObject.BeginReading(),
     55                    aSerializedObject.Length(), aValue)) {
     56    return NS_ERROR_UNEXPECTED;
     57  }
     58  return NS_OK;
     59 }
     60 
     61 }  // namespace mozilla::dom