зеркало из https://github.com/electron/electron.git
103 строки
3.5 KiB
C++
103 строки
3.5 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 "atom/utility/atom_content_utility_client.h"
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#include <utility>
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#include "base/command_line.h"
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#include "content/public/child/child_thread.h"
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#include "content/public/common/service_manager_connection.h"
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#include "content/public/common/simple_connection_filter.h"
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#include "services/proxy_resolver/proxy_resolver_service.h"
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#include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"
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#include "services/service_manager/sandbox/switches.h"
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#if BUILDFLAG(ENABLE_PRINTING)
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#include "chrome/services/printing/printing_service.h"
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#include "chrome/services/printing/public/mojom/constants.mojom.h"
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#if defined(OS_WIN)
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#include "chrome/services/printing/pdf_to_emf_converter_factory.h"
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#include "chrome/utility/printing_handler.h"
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#endif // defined(OS_WIN)
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#endif // BUILDFLAG(ENABLE_PRINTING)
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namespace atom {
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AtomContentUtilityClient::AtomContentUtilityClient() : elevated_(false) {
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#if BUILDFLAG(ENABLE_PRINTING) && 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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AtomContentUtilityClient::~AtomContentUtilityClient() {}
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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 AtomContentUtilityClient::UtilityThreadStarted() {
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#if defined(OS_WIN)
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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elevated_ = command_line->HasSwitch(
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service_manager::switches::kNoSandboxAndElevatedPrivileges);
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#endif
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content::ServiceManagerConnection* connection =
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content::ChildThread::Get()->GetServiceManagerConnection();
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// NOTE: Some utility process instances are not connected to the Service
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// Manager. Nothing left to do in that case.
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if (!connection)
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return;
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auto registry = std::make_unique<service_manager::BinderRegistry>();
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// If our process runs with elevated privileges, only add elevated Mojo
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// interfaces to the interface registry.
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if (!elevated_) {
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#if BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN)
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// TODO(crbug.com/798782): remove when the Cloud print chrome/service is
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// removed.
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registry->AddInterface(
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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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connection->AddConnectionFilter(
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std::make_unique<content::SimpleConnectionFilter>(std::move(registry)));
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}
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bool AtomContentUtilityClient::OnMessageReceived(const IPC::Message& message) {
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if (elevated_)
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return false;
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#if BUILDFLAG(ENABLE_PRINTING) && 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 AtomContentUtilityClient::RegisterServices(StaticServiceMap* services) {
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service_manager::EmbeddedServiceInfo proxy_resolver_info;
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proxy_resolver_info.task_runner =
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content::ChildThread::Get()->GetIOTaskRunner();
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proxy_resolver_info.factory =
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base::BindRepeating(&proxy_resolver::ProxyResolverService::CreateService);
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services->emplace(proxy_resolver::mojom::kProxyResolverServiceName,
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proxy_resolver_info);
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#if BUILDFLAG(ENABLE_PRINTING)
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service_manager::EmbeddedServiceInfo printing_info;
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printing_info.factory =
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base::BindRepeating(&printing::PrintingService::CreateService);
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services->emplace(printing::mojom::kChromePrintingServiceName, printing_info);
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#endif
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}
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} // namespace atom
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