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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "components/safe_json/safe_json_parser_message_filter.h" |
| 6 |
| 7 #include <memory> |
| 8 #include <utility> |
| 9 |
| 10 #include "base/json/json_reader.h" |
| 11 #include "base/values.h" |
| 12 #include "components/safe_json/safe_json_parser_messages.h" |
| 13 #include "content/public/utility/utility_thread.h" |
| 14 #include "ipc/ipc_message.h" |
| 15 |
| 16 namespace { |
| 17 |
| 18 bool Send(IPC::Message* message) { |
| 19 return content::UtilityThread::Get()->Send(message); |
| 20 } |
| 21 |
| 22 } // namespace |
| 23 |
| 24 namespace safe_json { |
| 25 |
| 26 SafeJsonParserMessageFilter::SafeJsonParserMessageFilter() { |
| 27 } |
| 28 SafeJsonParserMessageFilter::~SafeJsonParserMessageFilter() { |
| 29 } |
| 30 |
| 31 bool SafeJsonParserMessageFilter::OnMessageReceived( |
| 32 const IPC::Message& message) { |
| 33 bool handled = true; |
| 34 IPC_BEGIN_MESSAGE_MAP(SafeJsonParserMessageFilter, message) |
| 35 IPC_MESSAGE_HANDLER(SafeJsonParserMsg_ParseJSON, OnParseJSON) |
| 36 IPC_MESSAGE_UNHANDLED(handled = false) |
| 37 IPC_END_MESSAGE_MAP() |
| 38 |
| 39 return handled; |
| 40 } |
| 41 |
| 42 void SafeJsonParserMessageFilter::OnParseJSON(const std::string& json) { |
| 43 int error_code; |
| 44 std::string error; |
| 45 std::unique_ptr<base::Value> value = base::JSONReader::ReadAndReturnError( |
| 46 json, base::JSON_PARSE_RFC, &error_code, &error); |
| 47 if (value) { |
| 48 base::ListValue wrapper; |
| 49 wrapper.Append(std::move(value)); |
| 50 Send(new SafeJsonParserHostMsg_ParseJSON_Succeeded(wrapper)); |
| 51 } else { |
| 52 Send(new SafeJsonParserHostMsg_ParseJSON_Failed(error)); |
| 53 } |
| 54 |
| 55 content::UtilityThread::Get()->ReleaseProcessIfNeeded(); |
| 56 } |
| 57 |
| 58 } // namespace safe_json |
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