electron/shell/browser/extensions/electron_messaging_delegate.cc

139 lines
4.8 KiB
C++

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "shell/browser/extensions/electron_messaging_delegate.h"
#include <memory>
#include <utility>
#include "base/functional/callback.h"
#include "base/values.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "electron/shell/common/extensions/api/tabs.h"
#include "extensions/browser/api/messaging/extension_message_port.h"
#include "extensions/browser/api/messaging/native_message_host.h"
#include "extensions/browser/extension_api_frame_id_map.h"
#include "extensions/browser/pref_names.h"
#include "extensions/common/api/messaging/port_id.h"
#include "extensions/common/extension.h"
#include "shell/browser/api/electron_api_web_contents.h"
#include "ui/gfx/native_widget_types.h"
#include "url/gurl.h"
namespace extensions {
ElectronMessagingDelegate::ElectronMessagingDelegate() = default;
ElectronMessagingDelegate::~ElectronMessagingDelegate() = default;
MessagingDelegate::PolicyPermission
ElectronMessagingDelegate::IsNativeMessagingHostAllowed(
content::BrowserContext* browser_context,
const std::string& native_host_name) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return PolicyPermission::DISALLOW;
}
std::optional<base::Value::Dict> ElectronMessagingDelegate::MaybeGetTabInfo(
content::WebContents* web_contents) {
if (web_contents) {
auto* api_contents = electron::api::WebContents::From(web_contents);
if (api_contents) {
api::tabs::Tab tab;
tab.id = api_contents->ID();
tab.url = api_contents->GetURL().spec();
tab.title = base::UTF16ToUTF8(api_contents->GetTitle());
tab.audible = api_contents->IsCurrentlyAudible();
return tab.ToValue();
}
}
return std::nullopt;
}
content::WebContents* ElectronMessagingDelegate::GetWebContentsByTabId(
content::BrowserContext* browser_context,
int tab_id) {
auto* contents = electron::api::WebContents::FromID(tab_id);
if (!contents) {
return nullptr;
}
return contents->web_contents();
}
std::unique_ptr<MessagePort> ElectronMessagingDelegate::CreateReceiverForTab(
base::WeakPtr<MessagePort::ChannelDelegate> channel_delegate,
const std::string& extension_id,
const PortId& receiver_port_id,
content::WebContents* receiver_contents,
int receiver_frame_id,
const std::string& receiver_document_id) {
// Frame ID -1 is every frame in the tab.
bool include_child_frames =
receiver_frame_id == -1 && receiver_document_id.empty();
content::RenderFrameHost* receiver_rfh = nullptr;
if (include_child_frames) {
// The target is the active outermost main frame of the WebContents.
receiver_rfh = receiver_contents->GetPrimaryMainFrame();
} else if (!receiver_document_id.empty()) {
ExtensionApiFrameIdMap::DocumentId document_id =
ExtensionApiFrameIdMap::DocumentIdFromString(receiver_document_id);
// Return early for invalid documentIds.
if (!document_id)
return nullptr;
receiver_rfh =
ExtensionApiFrameIdMap::Get()->GetRenderFrameHostByDocumentId(
document_id);
// If both |document_id| and |receiver_frame_id| are provided they
// should find the same RenderFrameHost, if not return early.
if (receiver_frame_id != -1 &&
ExtensionApiFrameIdMap::GetRenderFrameHostById(
receiver_contents, receiver_frame_id) != receiver_rfh) {
return nullptr;
}
} else {
DCHECK_GT(receiver_frame_id, -1);
receiver_rfh = ExtensionApiFrameIdMap::GetRenderFrameHostById(
receiver_contents, receiver_frame_id);
}
if (!receiver_rfh)
return nullptr;
return std::make_unique<ExtensionMessagePort>(
channel_delegate, receiver_port_id, extension_id, receiver_rfh,
include_child_frames);
}
std::unique_ptr<MessagePort>
ElectronMessagingDelegate::CreateReceiverForNativeApp(
content::BrowserContext* browser_context,
base::WeakPtr<MessagePort::ChannelDelegate> channel_delegate,
content::RenderFrameHost* source,
const std::string& extension_id,
const PortId& receiver_port_id,
const std::string& native_app_name,
bool allow_user_level,
std::string* error_out) {
return nullptr;
}
void ElectronMessagingDelegate::QueryIncognitoConnectability(
content::BrowserContext* context,
const Extension* target_extension,
content::WebContents* source_contents,
const GURL& source_url,
base::OnceCallback<void(bool)> callback) {
DCHECK(context->IsOffTheRecord());
std::move(callback).Run(false);
}
} // namespace extensions