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 "content/browser/renderer_host/pepper/content_browser_pepper_host_factory.h" 6 7 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h" 8 #include "content/browser/renderer_host/pepper/pepper_browser_font_singleton_host.h" 9 #include "content/browser/renderer_host/pepper/pepper_file_io_host.h" 10 #include "content/browser/renderer_host/pepper/pepper_file_ref_host.h" 11 #include "content/browser/renderer_host/pepper/pepper_file_system_browser_host.h" 12 #include "content/browser/renderer_host/pepper/pepper_flash_file_message_filter.h" 13 #include "content/browser/renderer_host/pepper/pepper_gamepad_host.h" 14 #include "content/browser/renderer_host/pepper/pepper_host_resolver_message_filter.h" 15 #include "content/browser/renderer_host/pepper/pepper_network_monitor_host.h" 16 #include "content/browser/renderer_host/pepper/pepper_network_proxy_host.h" 17 #include "content/browser/renderer_host/pepper/pepper_print_settings_manager.h" 18 #include "content/browser/renderer_host/pepper/pepper_printing_host.h" 19 #include "content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.h" 20 #include "content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.h" 21 #include "content/browser/renderer_host/pepper/pepper_truetype_font_host.h" 22 #include "content/browser/renderer_host/pepper/pepper_truetype_font_list_host.h" 23 #include "content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.h" 24 #include "ppapi/host/message_filter_host.h" 25 #include "ppapi/host/ppapi_host.h" 26 #include "ppapi/host/resource_host.h" 27 #include "ppapi/proxy/ppapi_messages.h" 28 #include "ppapi/shared_impl/ppapi_permissions.h" 29 30 using ppapi::host::MessageFilterHost; 31 using ppapi::host::ResourceHost; 32 using ppapi::host::ResourceMessageFilter; 33 using ppapi::proxy::SerializedTrueTypeFontDesc; 34 using ppapi::UnpackMessage; 35 36 namespace content { 37 38 namespace { 39 40 const size_t kMaxSocketsAllowed = 1024; 41 42 bool CanCreateSocket() { 43 return PepperTCPServerSocketMessageFilter::GetNumInstances() + 44 PepperTCPSocketMessageFilter::GetNumInstances() + 45 PepperUDPSocketMessageFilter::GetNumInstances() < 46 kMaxSocketsAllowed; 47 } 48 49 } // namespace 50 51 ContentBrowserPepperHostFactory::ContentBrowserPepperHostFactory( 52 BrowserPpapiHostImpl* host) 53 : host_(host) {} 54 55 ContentBrowserPepperHostFactory::~ContentBrowserPepperHostFactory() {} 56 57 scoped_ptr<ResourceHost> ContentBrowserPepperHostFactory::CreateResourceHost( 58 ppapi::host::PpapiHost* host, 59 const ppapi::proxy::ResourceMessageCallParams& params, 60 PP_Instance instance, 61 const IPC::Message& message) { 62 DCHECK(host == host_->GetPpapiHost()); 63 64 // Make sure the plugin is giving us a valid instance for this resource. 65 if (!host_->IsValidInstance(instance)) 66 return scoped_ptr<ResourceHost>(); 67 68 // Public interfaces. 69 switch (message.type()) { 70 case PpapiHostMsg_FileIO_Create::ID: { 71 return scoped_ptr<ResourceHost>( 72 new PepperFileIOHost(host_, instance, params.pp_resource())); 73 } 74 case PpapiHostMsg_FileSystem_Create::ID: { 75 PP_FileSystemType file_system_type; 76 if (!ppapi::UnpackMessage<PpapiHostMsg_FileSystem_Create>( 77 message, &file_system_type)) { 78 NOTREACHED(); 79 return scoped_ptr<ResourceHost>(); 80 } 81 return scoped_ptr<ResourceHost>(new PepperFileSystemBrowserHost( 82 host_, instance, params.pp_resource(), file_system_type)); 83 } 84 case PpapiHostMsg_Gamepad_Create::ID: { 85 return scoped_ptr<ResourceHost>( 86 new PepperGamepadHost(host_, instance, params.pp_resource())); 87 } 88 case PpapiHostMsg_NetworkProxy_Create::ID: { 89 return scoped_ptr<ResourceHost>( 90 new PepperNetworkProxyHost(host_, instance, params.pp_resource())); 91 } 92 case PpapiHostMsg_HostResolver_Create::ID: { 93 scoped_refptr<ResourceMessageFilter> host_resolver( 94 new PepperHostResolverMessageFilter(host_, instance, false)); 95 return scoped_ptr<ResourceHost>( 96 new MessageFilterHost(host_->GetPpapiHost(), 97 instance, 98 params.pp_resource(), 99 host_resolver)); 100 } 101 case PpapiHostMsg_FileRef_CreateForFileAPI::ID: { 102 PP_Resource file_system; 103 std::string internal_path; 104 if (!UnpackMessage<PpapiHostMsg_FileRef_CreateForFileAPI>( 105 message, &file_system, &internal_path)) { 106 NOTREACHED(); 107 return scoped_ptr<ResourceHost>(); 108 } 109 return scoped_ptr<ResourceHost>(new PepperFileRefHost( 110 host_, instance, params.pp_resource(), file_system, internal_path)); 111 } 112 case PpapiHostMsg_TCPSocket_Create::ID: { 113 ppapi::TCPSocketVersion version; 114 if (!UnpackMessage<PpapiHostMsg_TCPSocket_Create>(message, &version) || 115 version == ppapi::TCP_SOCKET_VERSION_PRIVATE) { 116 return scoped_ptr<ResourceHost>(); 117 } 118 119 return CreateNewTCPSocket(instance, params.pp_resource(), version); 120 } 121 case PpapiHostMsg_UDPSocket_Create::ID: { 122 if (CanCreateSocket()) { 123 scoped_refptr<ResourceMessageFilter> udp_socket( 124 new PepperUDPSocketMessageFilter(host_, instance, false)); 125 return scoped_ptr<ResourceHost>(new MessageFilterHost( 126 host_->GetPpapiHost(), instance, params.pp_resource(), udp_socket)); 127 } else { 128 return scoped_ptr<ResourceHost>(); 129 } 130 } 131 } 132 133 // Dev interfaces. 134 if (GetPermissions().HasPermission(ppapi::PERMISSION_DEV)) { 135 switch (message.type()) { 136 case PpapiHostMsg_Printing_Create::ID: { 137 scoped_ptr<PepperPrintSettingsManager> manager( 138 new PepperPrintSettingsManagerImpl()); 139 return scoped_ptr<ResourceHost>( 140 new PepperPrintingHost(host_->GetPpapiHost(), 141 instance, 142 params.pp_resource(), 143 manager.Pass())); 144 } 145 case PpapiHostMsg_TrueTypeFont_Create::ID: { 146 SerializedTrueTypeFontDesc desc; 147 if (!UnpackMessage<PpapiHostMsg_TrueTypeFont_Create>(message, &desc)) { 148 NOTREACHED(); 149 return scoped_ptr<ResourceHost>(); 150 } 151 // Check that the family name is valid UTF-8 before passing it to the 152 // host OS. 153 if (!base::IsStringUTF8(desc.family)) 154 return scoped_ptr<ResourceHost>(); 155 156 return scoped_ptr<ResourceHost>(new PepperTrueTypeFontHost( 157 host_, instance, params.pp_resource(), desc)); 158 } 159 case PpapiHostMsg_TrueTypeFontSingleton_Create::ID: { 160 return scoped_ptr<ResourceHost>(new PepperTrueTypeFontListHost( 161 host_, instance, params.pp_resource())); 162 } 163 } 164 } 165 166 // Private interfaces. 167 if (GetPermissions().HasPermission(ppapi::PERMISSION_PRIVATE)) { 168 switch (message.type()) { 169 case PpapiHostMsg_BrowserFontSingleton_Create::ID: 170 return scoped_ptr<ResourceHost>(new PepperBrowserFontSingletonHost( 171 host_, instance, params.pp_resource())); 172 } 173 } 174 175 // Permissions for the following interfaces will be checked at the 176 // time of the corresponding instance's methods calls (because 177 // permission check can be performed only on the UI 178 // thread). Currently these interfaces are available only for 179 // whitelisted apps which may not have access to the other private 180 // interfaces. 181 if (message.type() == PpapiHostMsg_HostResolver_CreatePrivate::ID) { 182 scoped_refptr<ResourceMessageFilter> host_resolver( 183 new PepperHostResolverMessageFilter(host_, instance, true)); 184 return scoped_ptr<ResourceHost>(new MessageFilterHost( 185 host_->GetPpapiHost(), instance, params.pp_resource(), host_resolver)); 186 } 187 if (message.type() == PpapiHostMsg_TCPServerSocket_CreatePrivate::ID) { 188 if (CanCreateSocket()) { 189 scoped_refptr<ResourceMessageFilter> tcp_server_socket( 190 new PepperTCPServerSocketMessageFilter(this, host_, instance, true)); 191 return scoped_ptr<ResourceHost>( 192 new MessageFilterHost(host_->GetPpapiHost(), 193 instance, 194 params.pp_resource(), 195 tcp_server_socket)); 196 } else { 197 return scoped_ptr<ResourceHost>(); 198 } 199 } 200 if (message.type() == PpapiHostMsg_TCPSocket_CreatePrivate::ID) { 201 return CreateNewTCPSocket( 202 instance, params.pp_resource(), ppapi::TCP_SOCKET_VERSION_PRIVATE); 203 } 204 if (message.type() == PpapiHostMsg_UDPSocket_CreatePrivate::ID) { 205 if (CanCreateSocket()) { 206 scoped_refptr<ResourceMessageFilter> udp_socket( 207 new PepperUDPSocketMessageFilter(host_, instance, true)); 208 return scoped_ptr<ResourceHost>(new MessageFilterHost( 209 host_->GetPpapiHost(), instance, params.pp_resource(), udp_socket)); 210 } else { 211 return scoped_ptr<ResourceHost>(); 212 } 213 } 214 if (message.type() == PpapiHostMsg_NetworkMonitor_Create::ID) { 215 return scoped_ptr<ResourceHost>( 216 new PepperNetworkMonitorHost(host_, instance, params.pp_resource())); 217 } 218 219 // Flash interfaces. 220 if (GetPermissions().HasPermission(ppapi::PERMISSION_FLASH)) { 221 switch (message.type()) { 222 case PpapiHostMsg_FlashFile_Create::ID: { 223 scoped_refptr<ResourceMessageFilter> file_filter( 224 new PepperFlashFileMessageFilter(instance, host_)); 225 return scoped_ptr<ResourceHost>( 226 new MessageFilterHost(host_->GetPpapiHost(), 227 instance, 228 params.pp_resource(), 229 file_filter)); 230 } 231 } 232 } 233 234 return scoped_ptr<ResourceHost>(); 235 } 236 237 scoped_ptr<ppapi::host::ResourceHost> 238 ContentBrowserPepperHostFactory::CreateAcceptedTCPSocket( 239 PP_Instance instance, 240 ppapi::TCPSocketVersion version, 241 scoped_ptr<net::TCPSocket> socket) { 242 if (!CanCreateSocket()) 243 return scoped_ptr<ResourceHost>(); 244 scoped_refptr<ResourceMessageFilter> tcp_socket( 245 new PepperTCPSocketMessageFilter( 246 host_, instance, version, socket.Pass())); 247 return scoped_ptr<ResourceHost>( 248 new MessageFilterHost(host_->GetPpapiHost(), instance, 0, tcp_socket)); 249 } 250 251 scoped_ptr<ppapi::host::ResourceHost> 252 ContentBrowserPepperHostFactory::CreateNewTCPSocket( 253 PP_Instance instance, 254 PP_Resource resource, 255 ppapi::TCPSocketVersion version) { 256 if (!CanCreateSocket()) 257 return scoped_ptr<ResourceHost>(); 258 259 scoped_refptr<ResourceMessageFilter> tcp_socket( 260 new PepperTCPSocketMessageFilter(this, host_, instance, version)); 261 if (!tcp_socket.get()) 262 return scoped_ptr<ResourceHost>(); 263 264 return scoped_ptr<ResourceHost>(new MessageFilterHost( 265 host_->GetPpapiHost(), instance, resource, tcp_socket)); 266 } 267 268 const ppapi::PpapiPermissions& ContentBrowserPepperHostFactory::GetPermissions() 269 const { 270 return host_->GetPpapiHost()->permissions(); 271 } 272 273 } // namespace content 274
