| // Copyright (c) 2012 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 "chrome/browser/renderer_host/pepper/pepper_flash_browser_host.h" |
| |
| #include "base/bind.h" |
| #include "base/task/post_task.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "chrome/browser/content_settings/cookie_settings_factory.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "components/content_settings/core/browser/cookie_settings.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_ppapi_host.h" |
| #include "content/public/browser/browser_task_traits.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/service_manager_connection.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "mojo/public/cpp/bindings/interface_request.h" |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/c/private/ppb_flash.h" |
| #include "ppapi/host/dispatch_host_message.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/proxy/resource_message_params.h" |
| #include "ppapi/shared_impl/time_conversion.h" |
| #include "services/device/public/mojom/constants.mojom.h" |
| #include "services/device/public/mojom/wake_lock_provider.mojom.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "url/gurl.h" |
| |
| #if defined(OS_WIN) |
| #include <windows.h> |
| #elif defined(OS_MACOSX) |
| #include <CoreServices/CoreServices.h> |
| #endif |
| |
| using content::BrowserPpapiHost; |
| using content::BrowserThread; |
| using content::RenderProcessHost; |
| using content::ServiceManagerConnection; |
| |
| namespace { |
| |
| // Get the CookieSettings on the UI thread for the given render process ID. |
| scoped_refptr<content_settings::CookieSettings> GetCookieSettings( |
| int render_process_id) { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| RenderProcessHost* render_process_host = |
| RenderProcessHost::FromID(render_process_id); |
| if (render_process_host && render_process_host->GetBrowserContext()) { |
| Profile* profile = |
| Profile::FromBrowserContext(render_process_host->GetBrowserContext()); |
| return CookieSettingsFactory::GetForProfile(profile); |
| } |
| return NULL; |
| } |
| |
| void PepperBindConnectorRequest( |
| service_manager::mojom::ConnectorRequest connector_request) { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| DCHECK(ServiceManagerConnection::GetForProcess()); |
| |
| ServiceManagerConnection::GetForProcess() |
| ->GetConnector() |
| ->BindConnectorRequest(std::move(connector_request)); |
| } |
| |
| } // namespace |
| |
| PepperFlashBrowserHost::PepperFlashBrowserHost(BrowserPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource) |
| : ResourceHost(host->GetPpapiHost(), instance, resource), |
| host_(host), |
| delay_timer_(FROM_HERE, base::TimeDelta::FromSeconds(45), this, |
| &PepperFlashBrowserHost::OnDelayTimerFired), |
| weak_factory_(this) { |
| int unused; |
| host->GetRenderFrameIDsForInstance(instance, &render_process_id_, &unused); |
| } |
| |
| PepperFlashBrowserHost::~PepperFlashBrowserHost() {} |
| |
| int32_t PepperFlashBrowserHost::OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) { |
| PPAPI_BEGIN_MESSAGE_MAP(PepperFlashBrowserHost, msg) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_Flash_UpdateActivity, |
| OnUpdateActivity) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_Flash_GetLocalTimeZoneOffset, |
| OnGetLocalTimeZoneOffset) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0( |
| PpapiHostMsg_Flash_GetLocalDataRestrictions, OnGetLocalDataRestrictions) |
| PPAPI_END_MESSAGE_MAP() |
| return PP_ERROR_FAILED; |
| } |
| |
| void PepperFlashBrowserHost::OnDelayTimerFired() { |
| GetWakeLock()->CancelWakeLock(); |
| } |
| |
| int32_t PepperFlashBrowserHost::OnUpdateActivity( |
| ppapi::host::HostMessageContext* host_context) { |
| GetWakeLock()->RequestWakeLock(); |
| // There is no specification for how long OnUpdateActivity should prevent the |
| // screen from going to sleep. Empirically, twitch.tv calls this method every |
| // 10 seconds. Be conservative and allow 45 seconds (set in |delay_timer_|'s |
| // ctor) before deleting the block. |
| delay_timer_.Reset(); |
| return PP_OK; |
| } |
| |
| int32_t PepperFlashBrowserHost::OnGetLocalTimeZoneOffset( |
| ppapi::host::HostMessageContext* host_context, |
| const base::Time& t) { |
| // The reason for this processing being in the browser process is that on |
| // Linux, the localtime calls require filesystem access prohibited by the |
| // sandbox. |
| host_context->reply_msg = PpapiPluginMsg_Flash_GetLocalTimeZoneOffsetReply( |
| ppapi::PPGetLocalTimeZoneOffset(t)); |
| return PP_OK; |
| } |
| |
| int32_t PepperFlashBrowserHost::OnGetLocalDataRestrictions( |
| ppapi::host::HostMessageContext* context) { |
| // Getting the Flash LSO settings requires using the CookieSettings which |
| // belong to the profile which lives on the UI thread. We lazily initialize |
| // |cookie_settings_| by grabbing the reference from the UI thread and then |
| // call |GetLocalDataRestrictions| with it. |
| GURL document_url = host_->GetDocumentURLForInstance(pp_instance()); |
| GURL plugin_url = host_->GetPluginURLForInstance(pp_instance()); |
| if (cookie_settings_.get()) { |
| GetLocalDataRestrictions(context->MakeReplyMessageContext(), |
| document_url, |
| plugin_url, |
| cookie_settings_); |
| } else { |
| base::PostTaskWithTraitsAndReplyWithResult( |
| FROM_HERE, {BrowserThread::UI}, |
| base::Bind(&GetCookieSettings, render_process_id_), |
| base::Bind(&PepperFlashBrowserHost::GetLocalDataRestrictions, |
| weak_factory_.GetWeakPtr(), |
| context->MakeReplyMessageContext(), document_url, |
| plugin_url)); |
| } |
| return PP_OK_COMPLETIONPENDING; |
| } |
| |
| void PepperFlashBrowserHost::GetLocalDataRestrictions( |
| ppapi::host::ReplyMessageContext reply_context, |
| const GURL& document_url, |
| const GURL& plugin_url, |
| scoped_refptr<content_settings::CookieSettings> cookie_settings) { |
| DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| |
| // Lazily initialize |cookie_settings_|. The cookie settings are thread-safe |
| // ref-counted so as long as we hold a reference to them we can safely access |
| // them on the IO thread. |
| if (!cookie_settings_.get()) { |
| cookie_settings_ = cookie_settings; |
| } else { |
| DCHECK(cookie_settings_.get() == cookie_settings.get()); |
| } |
| |
| PP_FlashLSORestrictions restrictions = PP_FLASHLSORESTRICTIONS_NONE; |
| if (cookie_settings_.get() && document_url.is_valid() && |
| plugin_url.is_valid()) { |
| if (!cookie_settings_->IsCookieAccessAllowed(document_url, plugin_url)) |
| restrictions = PP_FLASHLSORESTRICTIONS_BLOCK; |
| else if (cookie_settings_->IsCookieSessionOnly(plugin_url)) |
| restrictions = PP_FLASHLSORESTRICTIONS_IN_MEMORY; |
| } |
| SendReply(reply_context, |
| PpapiPluginMsg_Flash_GetLocalDataRestrictionsReply( |
| static_cast<int32_t>(restrictions))); |
| } |
| |
| device::mojom::WakeLock* PepperFlashBrowserHost::GetWakeLock() { |
| // Here is a lazy binding, and will not reconnect after connection error. |
| if (wake_lock_) |
| return wake_lock_.get(); |
| |
| device::mojom::WakeLockRequest request = mojo::MakeRequest(&wake_lock_); |
| |
| // Service manager connection might be not initialized in some testing |
| // contexts. |
| if (!ServiceManagerConnection::GetForProcess()) |
| return wake_lock_.get(); |
| |
| service_manager::mojom::ConnectorRequest connector_request; |
| auto connector = service_manager::Connector::Create(&connector_request); |
| |
| // The existing connector is bound to the UI thread, the current thread is |
| // IO thread. So bind the ConnectorRequest of IO thread to the connector |
| // in UI thread. |
| base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI}, |
| base::BindOnce(&PepperBindConnectorRequest, |
| std::move(connector_request))); |
| |
| device::mojom::WakeLockProviderPtr wake_lock_provider; |
| connector->BindInterface(device::mojom::kServiceName, |
| mojo::MakeRequest(&wake_lock_provider)); |
| wake_lock_provider->GetWakeLockWithoutContext( |
| device::mojom::WakeLockType::kPreventDisplaySleep, |
| device::mojom::WakeLockReason::kOther, "Requested By PepperFlash", |
| std::move(request)); |
| return wake_lock_.get(); |
| } |