| // 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 "content/browser/renderer_host/pepper/content_browser_pepper_host_factory.h" |
| |
| #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h" |
| #include "content/browser/renderer_host/pepper/pepper_browser_font_singleton_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_file_ref_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_file_system_browser_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_flash_file_message_filter.h" |
| #include "content/browser/renderer_host/pepper/pepper_gamepad_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_host_resolver_message_filter.h" |
| #include "content/browser/renderer_host/pepper/pepper_network_proxy_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_print_settings_manager.h" |
| #include "content/browser/renderer_host/pepper/pepper_printing_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.h" |
| #include "content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.h" |
| #include "content/browser/renderer_host/pepper/pepper_truetype_font_list_host.h" |
| #include "content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.h" |
| #include "net/socket/stream_socket.h" |
| #include "ppapi/host/message_filter_host.h" |
| #include "ppapi/host/ppapi_host.h" |
| #include "ppapi/host/resource_host.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/shared_impl/ppapi_permissions.h" |
| |
| using ppapi::host::MessageFilterHost; |
| using ppapi::host::ResourceHost; |
| using ppapi::host::ResourceMessageFilter; |
| using ppapi::UnpackMessage; |
| |
| namespace content { |
| |
| namespace { |
| |
| const size_t kMaxSocketsAllowed = 1024; |
| |
| bool CanCreateSocket() { |
| return |
| PepperTCPServerSocketMessageFilter::GetNumInstances() + |
| PepperTCPSocketMessageFilter::GetNumInstances() + |
| PepperUDPSocketMessageFilter::GetNumInstances() < |
| kMaxSocketsAllowed; |
| } |
| |
| } // namespace |
| |
| ContentBrowserPepperHostFactory::ContentBrowserPepperHostFactory( |
| BrowserPpapiHostImpl* host) |
| : host_(host) { |
| } |
| |
| ContentBrowserPepperHostFactory::~ContentBrowserPepperHostFactory() { |
| } |
| |
| scoped_ptr<ResourceHost> ContentBrowserPepperHostFactory::CreateResourceHost( |
| ppapi::host::PpapiHost* host, |
| const ppapi::proxy::ResourceMessageCallParams& params, |
| PP_Instance instance, |
| const IPC::Message& message) { |
| DCHECK(host == host_->GetPpapiHost()); |
| |
| // Make sure the plugin is giving us a valid instance for this resource. |
| if (!host_->IsValidInstance(instance)) |
| return scoped_ptr<ResourceHost>(); |
| |
| // Public interfaces. |
| switch (message.type()) { |
| case PpapiHostMsg_FileSystem_Create::ID: { |
| PP_FileSystemType file_system_type; |
| if (!ppapi::UnpackMessage<PpapiHostMsg_FileSystem_Create>(message, |
| &file_system_type)) { |
| NOTREACHED(); |
| return scoped_ptr<ResourceHost>(); |
| } |
| return scoped_ptr<ResourceHost>(new PepperFileSystemBrowserHost( |
| host_, instance, params.pp_resource(), file_system_type)); |
| } |
| case PpapiHostMsg_Gamepad_Create::ID: { |
| return scoped_ptr<ResourceHost>(new PepperGamepadHost( |
| host_, instance, params.pp_resource())); |
| } |
| case PpapiHostMsg_NetworkProxy_Create::ID: { |
| return scoped_ptr<ResourceHost>(new PepperNetworkProxyHost( |
| host_, instance, params.pp_resource())); |
| } |
| case PpapiHostMsg_HostResolver_Create::ID: { |
| scoped_refptr<ResourceMessageFilter> host_resolver( |
| new PepperHostResolverMessageFilter(host_, instance, false)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), |
| host_resolver)); |
| } |
| case PpapiHostMsg_FileRef_CreateInternal::ID: { |
| PP_Resource file_system; |
| std::string internal_path; |
| if (!UnpackMessage<PpapiHostMsg_FileRef_CreateInternal>( |
| message, &file_system, &internal_path)) { |
| NOTREACHED(); |
| return scoped_ptr<ResourceHost>(); |
| } |
| return scoped_ptr<ResourceHost>(new PepperFileRefHost( |
| host_, instance, params.pp_resource(), file_system, internal_path)); |
| } |
| case PpapiHostMsg_TCPSocket_Create::ID: { |
| if (CanCreateSocket()) { |
| scoped_refptr<ResourceMessageFilter> tcp_socket( |
| new PepperTCPSocketMessageFilter(host_, |
| instance, |
| false)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), tcp_socket)); |
| } else { |
| return scoped_ptr<ResourceHost>(); |
| } |
| } |
| case PpapiHostMsg_UDPSocket_Create::ID: { |
| if (CanCreateSocket()) { |
| scoped_refptr<ResourceMessageFilter> udp_socket( |
| new PepperUDPSocketMessageFilter(host_, instance, false)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), udp_socket)); |
| } else { |
| return scoped_ptr<ResourceHost>(); |
| } |
| } |
| } |
| |
| // Dev interfaces. |
| if (GetPermissions().HasPermission(ppapi::PERMISSION_DEV)) { |
| switch (message.type()) { |
| case PpapiHostMsg_Printing_Create::ID: { |
| scoped_ptr<PepperPrintSettingsManager> manager( |
| new PepperPrintSettingsManagerImpl()); |
| return scoped_ptr<ResourceHost>(new PepperPrintingHost( |
| host_->GetPpapiHost(), instance, |
| params.pp_resource(), manager.Pass())); |
| } |
| case PpapiHostMsg_TrueTypeFontSingleton_Create::ID: { |
| return scoped_ptr<ResourceHost>(new PepperTrueTypeFontListHost( |
| host_, instance, params.pp_resource())); |
| } |
| } |
| } |
| |
| // Private interfaces. |
| if (GetPermissions().HasPermission(ppapi::PERMISSION_PRIVATE)) { |
| switch (message.type()) { |
| case PpapiHostMsg_BrowserFontSingleton_Create::ID: |
| return scoped_ptr<ResourceHost>(new PepperBrowserFontSingletonHost( |
| host_, instance, params.pp_resource())); |
| } |
| } |
| |
| // Permissions for the following interfaces will be checked at the |
| // time of the corresponding instance's methods calls (because |
| // permission check can be performed only on the UI |
| // thread). Currently these interfaces are available only for |
| // whitelisted apps which may not have access to the other private |
| // interfaces. |
| if (message.type() == PpapiHostMsg_HostResolver_CreatePrivate::ID) { |
| scoped_refptr<ResourceMessageFilter> host_resolver( |
| new PepperHostResolverMessageFilter(host_, instance, true)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), host_resolver)); |
| } |
| if (message.type() == PpapiHostMsg_TCPServerSocket_CreatePrivate::ID) { |
| if (CanCreateSocket()) { |
| scoped_refptr<ResourceMessageFilter> tcp_server_socket( |
| new PepperTCPServerSocketMessageFilter(this, host_, instance, true)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), |
| tcp_server_socket)); |
| } else { |
| return scoped_ptr<ResourceHost>(); |
| } |
| } |
| if (message.type() == PpapiHostMsg_TCPSocket_CreatePrivate::ID) { |
| if (CanCreateSocket()) { |
| scoped_refptr<ResourceMessageFilter> tcp_socket( |
| new PepperTCPSocketMessageFilter(host_, |
| instance, |
| true)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), tcp_socket)); |
| } else { |
| return scoped_ptr<ResourceHost>(); |
| } |
| } |
| if (message.type() == PpapiHostMsg_UDPSocket_CreatePrivate::ID) { |
| if (CanCreateSocket()) { |
| scoped_refptr<ResourceMessageFilter> udp_socket( |
| new PepperUDPSocketMessageFilter(host_, instance, true)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), udp_socket)); |
| } else { |
| return scoped_ptr<ResourceHost>(); |
| } |
| } |
| |
| // Flash interfaces. |
| if (GetPermissions().HasPermission(ppapi::PERMISSION_FLASH)) { |
| switch (message.type()) { |
| case PpapiHostMsg_FlashFile_Create::ID: { |
| scoped_refptr<ResourceMessageFilter> file_filter( |
| new PepperFlashFileMessageFilter(instance, host_)); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, params.pp_resource(), |
| file_filter)); |
| } |
| } |
| } |
| |
| return scoped_ptr<ResourceHost>(); |
| } |
| |
| scoped_ptr<ppapi::host::ResourceHost> |
| ContentBrowserPepperHostFactory::CreateAcceptedTCPSocket( |
| PP_Instance instance, |
| bool private_api, |
| net::StreamSocket* socket) { |
| scoped_ptr<net::StreamSocket> s(socket); |
| |
| if (!CanCreateSocket()) |
| return scoped_ptr<ResourceHost>(); |
| scoped_refptr<ResourceMessageFilter> tcp_socket( |
| new PepperTCPSocketMessageFilter(host_, |
| instance, |
| private_api, |
| s.release())); |
| return scoped_ptr<ResourceHost>(new MessageFilterHost( |
| host_->GetPpapiHost(), instance, 0, tcp_socket)); |
| } |
| |
| const ppapi::PpapiPermissions& |
| ContentBrowserPepperHostFactory::GetPermissions() const { |
| return host_->GetPpapiHost()->permissions(); |
| } |
| |
| } // namespace content |