messaging_util.cc | Explore in Territory

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/renderer/api/messaging/messaging_util.h"

#include <string>

#include "base/check.h"
#include "base/notreached.h"
#include "base/strings/stringprintf.h"
#include "components/crx_file/id_util.h"
#include "extensions/common/api/messaging/message.h"
#include "extensions/common/api/messaging/messaging_endpoint.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_features.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "extensions/common/mojom/context_type.mojom.h"
#include "extensions/common/mojom/message_port.mojom-shared.h"
#include "extensions/renderer/extension_interaction_provider.h"
#include "extensions/renderer/get_script_context.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/worker_thread_util.h"
#include "gin/converter.h"
#include "gin/dictionary.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "v8/include/v8-context.h"
#include "v8/include/v8-exception.h"
#include "v8/include/v8-json.h"
#include "v8/include/v8-object.h"
#include "v8/include/v8-primitive.h"

namespace extensions {
namespace messaging_util {

namespace {

constexpr char kExtensionIdRequiredErrorTemplate[] = …;

constexpr char kErrorCouldNotSerialize[] = …;

constexpr char kErrorMalformedJSONMessage[] = …;

std::unique_ptr<Message> MessageFromJSONString(v8::Isolate* isolate,
                                               v8::Local<v8::Context> context,
                                               v8::Local<v8::String> json,
                                               std::string* error_out,
                                               blink::WebLocalFrame* web_frame,
                                               bool privileged_context) { … }

}  // namespace

const char kSendMessageChannel[] = …;
const char kSendRequestChannel[] = …;

const char kOnMessageEvent[] = …;
const char kOnUserScriptMessageEvent[] = …;
const char kOnMessageExternalEvent[] = …;
const char kOnRequestEvent[] = …;
const char kOnRequestExternalEvent[] = …;
const char kOnConnectEvent[] = …;
const char kOnUserScriptConnectEvent[] = …;
const char kOnConnectExternalEvent[] = …;
const char kOnConnectNativeEvent[] = …;

const int kNoFrameId = …;

std::unique_ptr<Message> MessageFromV8(v8::Local<v8::Context> context,
                                       v8::Local<v8::Value> value,
                                       mojom::SerializationFormat format,
                                       std::string* error_out) { … }

v8::Local<v8::Value> MessageToV8(v8::Local<v8::Context> context,
                                 const Message& message,
                                 bool is_parsing_fail_safe,
                                 std::string* error) { … }

int ExtractIntegerId(v8::Local<v8::Value> value) { … }

mojom::SerializationFormat GetSerializationFormat(
    const ScriptContext& script_context) { … }

MessageOptions ParseMessageOptions(v8::Local<v8::Context> context,
                                   v8::Local<v8::Object> v8_options,
                                   int flags) { … }

bool GetTargetExtensionId(ScriptContext* script_context,
                          v8::Local<v8::Value> v8_target_id,
                          const char* method_name,
                          std::string* target_out,
                          std::string* error_out) { … }

void MassageSendMessageArguments(v8::Isolate* isolate,
                                 bool allow_options_argument,
                                 v8::LocalVector<v8::Value>* arguments_out) { … }

bool IsSendRequestDisabled(ScriptContext* script_context) { … }

std::string GetEventForChannel(const MessagingEndpoint& source_endpoint,
                               const ExtensionId& target_extension_id,
                               mojom::ChannelType channel_type) { … }

}  // namespace messaging_util
}  // namespace extensions
chromium/extensions/renderer/api/messaging/messaging_util.cc
