1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h" 6 7#include "build/build_config.h" 8#include "chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h" 9#include "chrome/browser/renderer_host/pepper/pepper_flash_browser_host.h" 10#include "chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.h" 11#include "chrome/browser/renderer_host/pepper/pepper_flash_drm_host.h" 12#include "chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h" 13#include "chrome/browser/renderer_host/pepper/pepper_output_protection_message_filter.h" 14#include "chrome/browser/renderer_host/pepper/pepper_platform_verification_message_filter.h" 15#include "chrome/browser/renderer_host/pepper/pepper_talk_host.h" 16#include "content/public/browser/browser_ppapi_host.h" 17#include "ppapi/host/message_filter_host.h" 18#include "ppapi/host/ppapi_host.h" 19#include "ppapi/host/resource_host.h" 20#include "ppapi/proxy/ppapi_messages.h" 21#include "ppapi/shared_impl/ppapi_permissions.h" 22 23using ppapi::host::MessageFilterHost; 24using ppapi::host::ResourceHost; 25using ppapi::host::ResourceMessageFilter; 26 27namespace chrome { 28 29ChromeBrowserPepperHostFactory::ChromeBrowserPepperHostFactory( 30 content::BrowserPpapiHost* host) 31 : host_(host) {} 32 33ChromeBrowserPepperHostFactory::~ChromeBrowserPepperHostFactory() {} 34 35scoped_ptr<ResourceHost> ChromeBrowserPepperHostFactory::CreateResourceHost( 36 ppapi::host::PpapiHost* host, 37 const ppapi::proxy::ResourceMessageCallParams& params, 38 PP_Instance instance, 39 const IPC::Message& message) { 40 DCHECK(host == host_->GetPpapiHost()); 41 42 // Make sure the plugin is giving us a valid instance for this resource. 43 if (!host_->IsValidInstance(instance)) 44 return scoped_ptr<ResourceHost>(); 45 46 // Private interfaces. 47 if (host_->GetPpapiHost()->permissions().HasPermission( 48 ppapi::PERMISSION_PRIVATE)) { 49 switch (message.type()) { 50 case PpapiHostMsg_Broker_Create::ID: { 51 scoped_refptr<ResourceMessageFilter> broker_filter( 52 new PepperBrokerMessageFilter(instance, host_)); 53 return scoped_ptr<ResourceHost>( 54 new MessageFilterHost(host_->GetPpapiHost(), 55 instance, 56 params.pp_resource(), 57 broker_filter)); 58 } 59#if defined(OS_CHROMEOS) 60 case PpapiHostMsg_PlatformVerification_Create::ID: { 61 scoped_refptr<ResourceMessageFilter> pv_filter( 62 new PepperPlatformVerificationMessageFilter(host_, instance)); 63 return scoped_ptr<ResourceHost>(new MessageFilterHost( 64 host_->GetPpapiHost(), instance, params.pp_resource(), pv_filter)); 65 } 66#endif 67 case PpapiHostMsg_Talk_Create::ID: 68 return scoped_ptr<ResourceHost>( 69 new PepperTalkHost(host_, instance, params.pp_resource())); 70#if defined(OS_CHROMEOS) 71 case PpapiHostMsg_OutputProtection_Create::ID: { 72 scoped_refptr<ResourceMessageFilter> output_protection_filter( 73 new PepperOutputProtectionMessageFilter(host_, instance)); 74 return scoped_ptr<ResourceHost>( 75 new MessageFilterHost(host_->GetPpapiHost(), 76 instance, 77 params.pp_resource(), 78 output_protection_filter)); 79 } 80#endif 81 } 82 } 83 84 // Flash interfaces. 85 if (host_->GetPpapiHost()->permissions().HasPermission( 86 ppapi::PERMISSION_FLASH)) { 87 switch (message.type()) { 88 case PpapiHostMsg_Flash_Create::ID: 89 return scoped_ptr<ResourceHost>( 90 new PepperFlashBrowserHost(host_, instance, params.pp_resource())); 91 case PpapiHostMsg_FlashClipboard_Create::ID: { 92 scoped_refptr<ResourceMessageFilter> clipboard_filter( 93 new PepperFlashClipboardMessageFilter); 94 return scoped_ptr<ResourceHost>( 95 new MessageFilterHost(host_->GetPpapiHost(), 96 instance, 97 params.pp_resource(), 98 clipboard_filter)); 99 } 100 case PpapiHostMsg_FlashDRM_Create::ID: 101 return scoped_ptr<ResourceHost>( 102 new PepperFlashDRMHost(host_, instance, params.pp_resource())); 103 } 104 } 105 106 // Permissions for the following interfaces will be checked at the 107 // time of the corresponding instance's methods calls (because 108 // permission check can be performed only on the UI 109 // thread). Currently these interfaces are available only for 110 // whitelisted apps which may not have access to the other private 111 // interfaces. 112 if (message.type() == PpapiHostMsg_IsolatedFileSystem_Create::ID) { 113 PepperIsolatedFileSystemMessageFilter* isolated_fs_filter = 114 PepperIsolatedFileSystemMessageFilter::Create(instance, host_); 115 if (!isolated_fs_filter) 116 return scoped_ptr<ResourceHost>(); 117 return scoped_ptr<ResourceHost>(new MessageFilterHost( 118 host, instance, params.pp_resource(), isolated_fs_filter)); 119 } 120 121 return scoped_ptr<ResourceHost>(); 122} 123 124} // namespace chrome 125