| // 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/time/time.h" |
| #include "chrome/browser/content_settings/cookie_settings.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_ppapi_host.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "ipc/ipc_message_macros.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 "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; |
| |
| namespace chrome { |
| |
| namespace { |
| |
| // Get the CookieSettings on the UI thread for the given render process ID. |
| scoped_refptr<CookieSettings> GetCookieSettings(int render_process_id) { |
| DCHECK(BrowserThread::CurrentlyOn(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 CookieSettings::Factory::GetForProfile(profile); |
| } |
| return NULL; |
| } |
| |
| } // namespace |
| |
| PepperFlashBrowserHost::PepperFlashBrowserHost(BrowserPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource) |
| : ResourceHost(host->GetPpapiHost(), instance, resource), |
| host_(host), |
| 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; |
| } |
| |
| int32_t PepperFlashBrowserHost::OnUpdateActivity( |
| ppapi::host::HostMessageContext* host_context) { |
| #if defined(OS_WIN) |
| // Reading then writing back the same value to the screensaver timeout system |
| // setting resets the countdown which prevents the screensaver from turning |
| // on "for a while". As long as the plugin pings us with this message faster |
| // than the screensaver timeout, it won't go on. |
| int value = 0; |
| if (SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0, &value, 0)) |
| SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, value, NULL, 0); |
| #elif defined(OS_MACOSX) |
| UpdateSystemActivity(OverallAct); |
| #else |
| // TODO(brettw) implement this for other platforms. |
| #endif |
| 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 { |
| BrowserThread::PostTaskAndReplyWithResult( |
| BrowserThread::UI, |
| FROM_HERE, |
| 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<CookieSettings> cookie_settings) { |
| DCHECK(BrowserThread::CurrentlyOn(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_->IsReadingCookieAllowed(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))); |
| } |
| |
| } // namespace chrome |