e017d8714e
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com> Co-authored-by: Jeremy Rose <jeremya@chromium.org> Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/utility/electron_content_utility_client.h"
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#include <utility>
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#include "base/command_line.h"
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#include "base/no_destructor.h"
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#include "base/threading/sequenced_task_runner_handle.h"
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#include "content/public/utility/utility_thread.h"
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#include "mojo/public/cpp/bindings/service_factory.h"
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#include "sandbox/policy/switches.h"
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#include "services/proxy_resolver/proxy_resolver_factory_impl.h"
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#include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"
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#include "services/service_manager/public/cpp/service.h"
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#if defined(OS_WIN)
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#include "chrome/services/util_win/public/mojom/util_read_icon.mojom.h"
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#include "chrome/services/util_win/util_read_icon.h"
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#endif // defined(OS_WIN)
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#if BUILDFLAG(ENABLE_PRINTING)
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#include "components/services/print_compositor/print_compositor_impl.h"
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#include "components/services/print_compositor/public/mojom/print_compositor.mojom.h" // nogncheck
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#endif // BUILDFLAG(ENABLE_PRINTING)
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#if BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN)
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#include "chrome/services/printing/pdf_to_emf_converter_factory.h"
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#endif
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) && defined(OS_WIN)
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#include "chrome/utility/printing_handler.h"
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#endif
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
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(BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN))
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#include "chrome/services/printing/printing_service.h"
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#include "chrome/services/printing/public/mojom/printing_service.mojom.h"
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#endif
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namespace electron {
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namespace {
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
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(BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN))
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auto RunPrintingService(
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mojo::PendingReceiver<printing::mojom::PrintingService> receiver) {
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return std::make_unique<printing::PrintingService>(std::move(receiver));
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}
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#endif
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#if defined(OS_WIN)
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auto RunWindowsIconReader(
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mojo::PendingReceiver<chrome::mojom::UtilReadIcon> receiver) {
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return std::make_unique<UtilReadIcon>(std::move(receiver));
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}
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#endif
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#if BUILDFLAG(ENABLE_PRINTING)
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auto RunPrintCompositor(
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mojo::PendingReceiver<printing::mojom::PrintCompositor> receiver) {
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return std::make_unique<printing::PrintCompositorImpl>(
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std::move(receiver), true /* initialize_environment */,
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content::UtilityThread::Get()->GetIOTaskRunner());
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}
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#endif
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auto RunProxyResolver(
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mojo::PendingReceiver<proxy_resolver::mojom::ProxyResolverFactory>
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receiver) {
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return std::make_unique<proxy_resolver::ProxyResolverFactoryImpl>(
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std::move(receiver));
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}
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} // namespace
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ElectronContentUtilityClient::ElectronContentUtilityClient()
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: utility_process_running_elevated_(false) {
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) && defined(OS_WIN)
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printing_handler_ = std::make_unique<printing::PrintingHandler>();
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#endif
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}
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ElectronContentUtilityClient::~ElectronContentUtilityClient() = default;
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// The guts of this came from the chromium implementation
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// https://cs.chromium.org/chromium/src/chrome/utility/
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// chrome_content_utility_client.cc?sq=package:chromium&dr=CSs&g=0&l=142
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void ElectronContentUtilityClient::ExposeInterfacesToBrowser(
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mojo::BinderMap* binders) {
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#if defined(OS_WIN)
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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utility_process_running_elevated_ = command_line->HasSwitch(
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sandbox::policy::switches::kNoSandboxAndElevatedPrivileges);
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#endif
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// If our process runs with elevated privileges, only add elevated Mojo
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// interfaces to the BinderMap.
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if (!utility_process_running_elevated_) {
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#if BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN)
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binders->Add(
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base::BindRepeating(printing::PdfToEmfConverterFactory::Create),
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base::ThreadTaskRunnerHandle::Get());
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#endif
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}
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}
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bool ElectronContentUtilityClient::OnMessageReceived(
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const IPC::Message& message) {
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if (utility_process_running_elevated_)
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return false;
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) && defined(OS_WIN)
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if (printing_handler_->OnMessageReceived(message))
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return true;
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#endif
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return false;
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}
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void ElectronContentUtilityClient::RegisterMainThreadServices(
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mojo::ServiceFactory& services) {
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#if defined(OS_WIN)
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services.Add(RunWindowsIconReader);
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#endif
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#if BUILDFLAG(ENABLE_PRINTING)
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services.Add(RunPrintCompositor);
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#endif
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#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
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(BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN))
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services.Add(RunPrintingService);
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#endif
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}
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void ElectronContentUtilityClient::RegisterIOThreadServices(
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mojo::ServiceFactory& services) {
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services.Add(RunProxyResolver);
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}
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} // namespace electron
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