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| 1 // Copyright (c) 2011 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/chrome_plugin_host.h" | |
| 6 | |
| 7 #include <set> | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/command_line.h" | |
| 13 #include "base/file_path.h" | |
| 14 #include "base/file_util.h" | |
| 15 #include "base/message_loop.h" | |
| 16 #include "base/metrics/histogram.h" | |
| 17 #include "base/path_service.h" | |
| 18 #include "base/perftimer.h" | |
| 19 #include "base/singleton.h" | |
| 20 #include "base/string_util.h" | |
| 21 #include "base/utf_string_conversions.h" | |
| 22 #include "chrome/browser/browser_list.h" | |
| 23 #include "chrome/browser/chrome_plugin_browsing_context.h" | |
| 24 #include "chrome/browser/gears_integration.h" | |
| 25 #include "chrome/browser/profiles/profile.h" | |
| 26 #include "chrome/browser/ui/webui/html_dialog_ui.h" | |
| 27 #include "chrome/common/chrome_constants.h" | |
| 28 #include "chrome/common/chrome_counters.h" | |
| 29 #include "chrome/common/chrome_paths.h" | |
| 30 #include "chrome/common/chrome_plugin_lib.h" | |
| 31 #include "chrome/common/chrome_plugin_util.h" | |
| 32 #include "chrome/common/gears_api.h" | |
| 33 #include "chrome/common/net/url_request_context_getter.h" | |
| 34 #include "chrome/common/net/url_request_intercept_job.h" | |
| 35 #include "chrome/common/plugin_messages.h" | |
| 36 #include "chrome/common/render_messages.h" | |
| 37 #include "content/browser/browser_thread.h" | |
| 38 #include "content/browser/plugin_process_host.h" | |
| 39 #include "content/browser/plugin_service.h" | |
| 40 #include "content/browser/renderer_host/render_process_host.h" | |
| 41 #include "content/common/notification_service.h" | |
| 42 #include "net/base/cookie_monster.h" | |
| 43 #include "net/base/io_buffer.h" | |
| 44 #include "net/base/net_errors.h" | |
| 45 #include "net/http/http_request_headers.h" | |
| 46 #include "net/url_request/url_request.h" | |
| 47 #include "net/url_request/url_request_context.h" | |
| 48 #include "net/url_request/url_request_error_job.h" | |
| 49 #include "third_party/skia/include/core/SkBitmap.h" | |
| 50 | |
| 51 | |
| 52 using base::TimeDelta; | |
| 53 | |
| 54 // This class manages the interception of network requests. It queries the | |
| 55 // plugin on every request, and creates an intercept job if the plugin can | |
| 56 // intercept the request. | |
| 57 // NOTE: All methods must be called on the IO thread. | |
| 58 class PluginRequestInterceptor | |
| 59 : public PluginHelper, public net::URLRequest::Interceptor { | |
| 60 public: | |
| 61 static net::URLRequestJob* UninterceptedProtocolHandler( | |
| 62 net::URLRequest* request, const std::string& scheme) { | |
| 63 // This will get called if a plugin failed to intercept a request for a | |
| 64 // protocol it has registered. In that case, we return NULL and the request | |
| 65 // will result in an error. | |
| 66 return new net::URLRequestErrorJob(request, net::ERR_FILE_NOT_FOUND); | |
| 67 } | |
| 68 | |
| 69 explicit PluginRequestInterceptor(ChromePluginLib* plugin) | |
| 70 : PluginHelper(plugin) { | |
| 71 net::URLRequest::RegisterRequestInterceptor(this); | |
| 72 } | |
| 73 | |
| 74 virtual ~PluginRequestInterceptor() { | |
| 75 net::URLRequest::UnregisterRequestInterceptor(this); | |
| 76 | |
| 77 // Unregister our protocols. | |
| 78 for (HandledProtocolList::iterator it = registered_protocols_.begin(); | |
| 79 it != registered_protocols_.end(); ++it) { | |
| 80 net::URLRequest::ProtocolFactory* factory = | |
| 81 net::URLRequest::RegisterProtocolFactory(*it, NULL); | |
| 82 DCHECK(factory == UninterceptedProtocolHandler); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 void RegisterProtocol(const std::string& scheme) { | |
| 87 DCHECK(CalledOnValidThread()); | |
| 88 | |
| 89 std::string lower_scheme = StringToLowerASCII(scheme); | |
| 90 handled_protocols_.insert(lower_scheme); | |
| 91 | |
| 92 // Only add a protocol factory if the net::URLRequest doesn't already handle | |
| 93 // it. If we fail to intercept, the request will be treated as an error. | |
| 94 if (!net::URLRequest::IsHandledProtocol(lower_scheme)) { | |
| 95 registered_protocols_.insert(lower_scheme); | |
| 96 net::URLRequest::RegisterProtocolFactory(lower_scheme, | |
| 97 &UninterceptedProtocolHandler); | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 // net::URLRequest::Interceptor | |
| 102 virtual net::URLRequestJob* MaybeIntercept(net::URLRequest* request) { | |
| 103 // TODO(darin): This DCHECK fails in the unit tests because our interceptor | |
| 104 // is being persisted across unit tests. As a result, each time we get | |
| 105 // poked on a different thread, but never from more than one thread at a | |
| 106 // time. We need a way to have the URLRequestJobManager get reset between | |
| 107 // unit tests. | |
| 108 // DCHECK(CalledOnValidThread()); | |
| 109 | |
| 110 if (!IsHandledProtocol(request->url().scheme())) | |
| 111 return NULL; | |
| 112 | |
| 113 CPBrowsingContext context = | |
| 114 CPBrowsingContextManager::GetInstance()->Lookup(request->context()); | |
| 115 scoped_ptr<ScopableCPRequest> cprequest( | |
| 116 new ScopableCPRequest(request->url().spec().c_str(), | |
| 117 request->method().c_str(), | |
| 118 context)); | |
| 119 | |
| 120 PerfTimer timer; | |
| 121 if (!plugin_->functions().should_intercept_request(cprequest.get())) { | |
| 122 LogInterceptMissTime(timer.Elapsed()); | |
| 123 return NULL; | |
| 124 } | |
| 125 LogInterceptHitTime(timer.Elapsed()); | |
| 126 return new URLRequestInterceptJob(request, plugin_, cprequest.release()); | |
| 127 } | |
| 128 | |
| 129 private: | |
| 130 bool IsHandledProtocol(const std::string& scheme) { | |
| 131 return handled_protocols_.find(scheme) != handled_protocols_.end(); | |
| 132 } | |
| 133 | |
| 134 void LogInterceptHitTime(const TimeDelta& time) { | |
| 135 UMA_HISTOGRAM_TIMES("Gears.InterceptHit", time); | |
| 136 } | |
| 137 | |
| 138 void LogInterceptMissTime(const TimeDelta& time) { | |
| 139 UMA_HISTOGRAM_TIMES("Gears.InterceptMiss", time); | |
| 140 } | |
| 141 | |
| 142 typedef std::set<std::string> HandledProtocolList; | |
| 143 HandledProtocolList handled_protocols_; | |
| 144 HandledProtocolList registered_protocols_; | |
| 145 }; | |
| 146 | |
| 147 // This class manages a network request made by the plugin, also acting as | |
| 148 // the net::URLRequest delegate. | |
| 149 // NOTE: All methods must be called on the IO thread. | |
| 150 class PluginRequestHandler : public PluginHelper, | |
| 151 public net::URLRequest::Delegate { | |
| 152 public: | |
| 153 static PluginRequestHandler* FromCPRequest(CPRequest* request) { | |
| 154 return ScopableCPRequest::GetData<PluginRequestHandler*>(request); | |
| 155 } | |
| 156 | |
| 157 PluginRequestHandler(ChromePluginLib* plugin, ScopableCPRequest* cprequest) | |
| 158 : PluginHelper(plugin), cprequest_(cprequest), user_buffer_(NULL) { | |
| 159 cprequest_->data = this; // see FromCPRequest(). | |
| 160 | |
| 161 net::URLRequestContext* context = CPBrowsingContextManager::GetInstance()-> | |
| 162 ToURLRequestContext(cprequest_->context); | |
| 163 // TODO(mpcomplete): remove fallback case when Gears support is prevalent. | |
| 164 if (!context) | |
| 165 context = Profile::GetDefaultRequestContext()->GetURLRequestContext(); | |
| 166 | |
| 167 GURL gurl(cprequest_->url); | |
| 168 request_.reset(new net::URLRequest(gurl, this)); | |
| 169 request_->set_context(context); | |
| 170 request_->set_method(cprequest_->method); | |
| 171 request_->set_load_flags(PluginResponseUtils::CPLoadFlagsToNetFlags(0)); | |
| 172 } | |
| 173 | |
| 174 net::URLRequest* request() { return request_.get(); } | |
| 175 | |
| 176 // Wraper of net::URLRequest::Read() | |
| 177 bool Read(char* dest, int dest_size, int *bytes_read) { | |
| 178 CHECK(!my_buffer_.get()); | |
| 179 // We'll use our own buffer until the read actually completes. | |
| 180 user_buffer_ = dest; | |
| 181 my_buffer_ = new net::IOBuffer(dest_size); | |
| 182 | |
| 183 if (request_->Read(my_buffer_, dest_size, bytes_read)) { | |
| 184 memcpy(dest, my_buffer_->data(), *bytes_read); | |
| 185 my_buffer_ = NULL; | |
| 186 return true; | |
| 187 } | |
| 188 | |
| 189 if (!request_->status().is_io_pending()) | |
| 190 my_buffer_ = NULL; | |
| 191 | |
| 192 return false; | |
| 193 } | |
| 194 | |
| 195 // net::URLRequest::Delegate | |
| 196 virtual void OnReceivedRedirect(net::URLRequest* request, const GURL& new_url, | |
| 197 bool* defer_redirect) { | |
| 198 plugin_->functions().response_funcs->received_redirect( | |
| 199 cprequest_.get(), new_url.spec().c_str()); | |
| 200 } | |
| 201 | |
| 202 virtual void OnResponseStarted(net::URLRequest* request) { | |
| 203 // TODO(mpcomplete): better error codes | |
| 204 CPError result = | |
| 205 request_->status().is_success() ? CPERR_SUCCESS : CPERR_FAILURE; | |
| 206 plugin_->functions().response_funcs->start_completed( | |
| 207 cprequest_.get(), result); | |
| 208 } | |
| 209 | |
| 210 virtual void OnReadCompleted(net::URLRequest* request, int bytes_read) { | |
| 211 CHECK(my_buffer_.get()); | |
| 212 CHECK(user_buffer_); | |
| 213 if (bytes_read > 0) { | |
| 214 memcpy(user_buffer_, my_buffer_->data(), bytes_read); | |
| 215 } else if (bytes_read < 0) { | |
| 216 // TODO(mpcomplete): better error codes | |
| 217 bytes_read = CPERR_FAILURE; | |
| 218 } | |
| 219 my_buffer_ = NULL; | |
| 220 plugin_->functions().response_funcs->read_completed( | |
| 221 cprequest_.get(), bytes_read); | |
| 222 } | |
| 223 | |
| 224 private: | |
| 225 scoped_ptr<ScopableCPRequest> cprequest_; | |
| 226 scoped_ptr<net::URLRequest> request_; | |
| 227 scoped_refptr<net::IOBuffer> my_buffer_; | |
| 228 char* user_buffer_; | |
| 229 }; | |
| 230 | |
| 231 // This class manages plugins that want to handle UI commands. Right now, we | |
| 232 // only allow 1 plugin to do this, so there's only ever 1 instance of this | |
| 233 // class at once. | |
| 234 // NOTE: All methods must be called on the IO thread. | |
| 235 class PluginCommandHandler : public PluginHelper { | |
| 236 public: | |
| 237 static void HandleCommand(int command, | |
| 238 CPCommandInterface* data, | |
| 239 int32 context_as_int32) { | |
| 240 CPBrowsingContext context = | |
| 241 static_cast<CPBrowsingContext>(context_as_int32); | |
| 242 // Ensure plugins are loaded before we try to talk to it. This will be a | |
| 243 // noop if plugins are loaded already. | |
| 244 ChromePluginLib::LoadChromePlugins(GetCPBrowserFuncsForBrowser()); | |
| 245 | |
| 246 DCHECK(ChromePluginLib::IsPluginThread()); | |
| 247 CPError rv = CPERR_INVALID_VERSION; | |
| 248 if (instance_ && instance_->plugin_->functions().handle_command) { | |
| 249 rv = instance_->plugin_->functions().handle_command( | |
| 250 context, command, data ? data->GetData() : NULL); | |
| 251 } | |
| 252 if (data) | |
| 253 data->OnCommandInvoked(rv); | |
| 254 } | |
| 255 | |
| 256 static void RegisterPlugin(ChromePluginLib* plugin) { | |
| 257 DCHECK(ChromePluginLib::IsPluginThread()); | |
| 258 // TODO(mpcomplete): We only expect to have Gears register a command handler | |
| 259 // at the moment. We should either add support for other plugins to do | |
| 260 // this, or verify that the plugin is Gears. | |
| 261 DCHECK(!instance_) << | |
| 262 "We only support a single plugin handling UI commands."; | |
| 263 if (instance_) | |
| 264 return; | |
| 265 // Deleted in response to a notification in PluginHelper. | |
| 266 new PluginCommandHandler(plugin); | |
| 267 } | |
| 268 | |
| 269 private: | |
| 270 explicit PluginCommandHandler(ChromePluginLib* plugin) | |
| 271 : PluginHelper(plugin) { | |
| 272 DCHECK(instance_ == NULL); | |
| 273 instance_ = this; | |
| 274 } | |
| 275 | |
| 276 virtual ~PluginCommandHandler() { | |
| 277 instance_ = NULL; | |
| 278 } | |
| 279 | |
| 280 static PluginCommandHandler* instance_; | |
| 281 }; | |
| 282 | |
| 283 PluginCommandHandler* PluginCommandHandler::instance_ = NULL; | |
| 284 | |
| 285 // This class acts as a helper to display the HTML dialog. It is created | |
| 286 // on demand on the plugin thread, and proxies calls to and from the UI thread | |
| 287 // to display the UI. | |
| 288 class ModelessHtmlDialogDelegate : public HtmlDialogUIDelegate { | |
| 289 public: | |
| 290 ModelessHtmlDialogDelegate(const GURL& url, | |
| 291 int width, int height, | |
| 292 const std::string& json_arguments, | |
| 293 void* plugin_context, | |
| 294 ChromePluginLib* plugin, | |
| 295 MessageLoop* main_message_loop, | |
| 296 gfx::NativeWindow parent_wnd) | |
| 297 : main_message_loop_(main_message_loop), | |
| 298 io_message_loop_(MessageLoop::current()), | |
| 299 plugin_(plugin), | |
| 300 plugin_context_(plugin_context), | |
| 301 parent_wnd_(parent_wnd) { | |
| 302 DCHECK(ChromePluginLib::IsPluginThread()); | |
| 303 params_.url = url; | |
| 304 params_.height = height; | |
| 305 params_.width = width; | |
| 306 params_.json_input = json_arguments; | |
| 307 | |
| 308 main_message_loop_->PostTask(FROM_HERE, NewRunnableMethod( | |
| 309 this, &ModelessHtmlDialogDelegate::Show)); | |
| 310 } | |
| 311 virtual ~ModelessHtmlDialogDelegate() { | |
| 312 DCHECK(ChromePluginLib::IsPluginThread()); | |
| 313 } | |
| 314 | |
| 315 // The following public methods are called from the UI thread. | |
| 316 | |
| 317 // HtmlDialogUIDelegate implementation: | |
| 318 virtual bool IsDialogModal() const { return false; } | |
| 319 virtual std::wstring GetDialogTitle() const { return L"Gears"; } | |
| 320 virtual GURL GetDialogContentURL() const { return params_.url; } | |
| 321 virtual void GetWebUIMessageHandlers( | |
| 322 std::vector<WebUIMessageHandler*>* handlers) const {} | |
| 323 virtual void GetDialogSize(gfx::Size* size) const { | |
| 324 size->set_width(params_.width); | |
| 325 size->set_height(params_.height); | |
| 326 } | |
| 327 virtual std::string GetDialogArgs() const { return params_.json_input; } | |
| 328 virtual void OnDialogClosed(const std::string& json_retval) { | |
| 329 io_message_loop_->PostTask(FROM_HERE, NewRunnableMethod( | |
| 330 this, &ModelessHtmlDialogDelegate::ReportResults, json_retval)); | |
| 331 } | |
| 332 virtual void OnCloseContents(TabContents* source, bool* out_close_dialog) { } | |
| 333 virtual bool ShouldShowDialogTitle() const { return true; } | |
| 334 | |
| 335 private: | |
| 336 // Actually shows the dialog on the UI thread. | |
| 337 void Show() { | |
| 338 DCHECK(MessageLoop::current() == main_message_loop_); | |
| 339 Browser* browser = BrowserList::GetLastActive(); | |
| 340 browser->BrowserShowHtmlDialog(this, parent_wnd_); | |
| 341 } | |
| 342 | |
| 343 // Gives the JSON result string back to the plugin. | |
| 344 void ReportResults(const std::string& json_retval) { | |
| 345 DCHECK(MessageLoop::current() == io_message_loop_); | |
| 346 // The plugin may have unloaded before it was time to report the results. | |
| 347 if (plugin_->is_loaded()) | |
| 348 plugin_->functions().html_dialog_closed(plugin_context_, | |
| 349 json_retval.c_str()); | |
| 350 delete this; | |
| 351 } | |
| 352 | |
| 353 // The parameters needed to display a modal HTML dialog. | |
| 354 HtmlDialogUI::HtmlDialogParams params_; | |
| 355 | |
| 356 // Message loops for sending messages between UI and IO threads. | |
| 357 MessageLoop* main_message_loop_; | |
| 358 MessageLoop* io_message_loop_; | |
| 359 | |
| 360 // The plugin object that requested the dialog. This can only be accessed on | |
| 361 // the IO thread. | |
| 362 scoped_refptr<ChromePluginLib> plugin_; | |
| 363 | |
| 364 // The plugin's context argument to CPB_ShowHtmlDialog. | |
| 365 void* plugin_context_; | |
| 366 | |
| 367 // The window this dialog box should be parented to, or NULL for the last | |
| 368 // active browser window. | |
| 369 gfx::NativeWindow parent_wnd_; | |
| 370 | |
| 371 DISALLOW_COPY_AND_ASSIGN(ModelessHtmlDialogDelegate); | |
| 372 }; | |
| 373 | |
| 374 // Allows InvokeLater without adding refcounting. The object is only deleted | |
| 375 // when its last InvokeLater is run anyway. | |
| 376 DISABLE_RUNNABLE_METHOD_REFCOUNT(ModelessHtmlDialogDelegate); | |
| 377 | |
| 378 namespace { | |
| 379 | |
| 380 // | |
| 381 // Generic functions | |
| 382 // | |
| 383 | |
| 384 void STDCALL CPB_SetKeepProcessAlive(CPID id, CPBool keep_alive) { | |
| 385 // This is a no-op in the main browser process | |
| 386 } | |
| 387 | |
| 388 CPError STDCALL CPB_GetCookies(CPID id, CPBrowsingContext bcontext, | |
| 389 const char* url, char** cookies) { | |
| 390 CHECK(ChromePluginLib::IsPluginThread()); | |
| 391 net::URLRequestContext* context = CPBrowsingContextManager::GetInstance()-> | |
| 392 ToURLRequestContext(bcontext); | |
| 393 // TODO(mpcomplete): remove fallback case when Gears support is prevalent. | |
| 394 if (!context) { | |
| 395 context = Profile::GetDefaultRequestContext()->GetURLRequestContext(); | |
| 396 if (!context) | |
| 397 return CPERR_FAILURE; | |
| 398 } | |
| 399 std::string cookies_str = context->cookie_store()->GetCookies(GURL(url)); | |
| 400 *cookies = CPB_StringDup(CPB_Alloc, cookies_str); | |
| 401 return CPERR_SUCCESS; | |
| 402 } | |
| 403 | |
| 404 CPError STDCALL CPB_ShowHtmlDialogModal( | |
| 405 CPID id, CPBrowsingContext context, const char* url, int width, int height, | |
| 406 const char* json_arguments, char** json_retval) { | |
| 407 // Should not be called in browser process. | |
| 408 return CPERR_FAILURE; | |
| 409 } | |
| 410 | |
| 411 CPError STDCALL CPB_ShowHtmlDialog( | |
| 412 CPID id, CPBrowsingContext context, const char* url, int width, int height, | |
| 413 const char* json_arguments, void* plugin_context) { | |
| 414 CHECK(ChromePluginLib::IsPluginThread()); | |
| 415 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 416 CHECK(plugin); | |
| 417 | |
| 418 #if defined(OS_WIN) | |
| 419 HWND parent_hwnd = reinterpret_cast<HWND>(static_cast<uintptr_t>(context)); | |
| 420 PluginService* service = PluginService::GetInstance(); | |
| 421 if (!service) | |
| 422 return CPERR_FAILURE; | |
| 423 MessageLoop* main_message_loop = service->main_message_loop(); | |
| 424 ModelessHtmlDialogDelegate* delegate = | |
| 425 new ModelessHtmlDialogDelegate(GURL(url), width, height, json_arguments, | |
| 426 plugin_context, plugin, main_message_loop, | |
| 427 parent_hwnd); | |
| 428 #else | |
| 429 // TODO(port): port ModelessHtmlDialogDelegate | |
| 430 NOTIMPLEMENTED(); | |
| 431 #endif | |
| 432 | |
| 433 return CPERR_SUCCESS; | |
| 434 } | |
| 435 | |
| 436 CPError STDCALL CPB_GetCommandLineArguments( | |
| 437 CPID id, CPBrowsingContext context, const char* url, char** arguments) { | |
| 438 CHECK(ChromePluginLib::IsPluginThread()); | |
| 439 std::string arguments_str; | |
| 440 CPError rv = CPB_GetCommandLineArgumentsCommon(url, &arguments_str); | |
| 441 if (rv == CPERR_SUCCESS) | |
| 442 *arguments = CPB_StringDup(CPB_Alloc, arguments_str); | |
| 443 return rv; | |
| 444 } | |
| 445 | |
| 446 CPBrowsingContext STDCALL CPB_GetBrowsingContextFromNPP(struct _NPP* npp) { | |
| 447 CHECK(ChromePluginLib::IsPluginThread()); | |
| 448 NOTREACHED() << "NPP does not exist in the browser process."; | |
| 449 return 0; | |
| 450 } | |
| 451 | |
| 452 int STDCALL CPB_GetBrowsingContextInfo( | |
| 453 CPID id, CPBrowsingContext context, CPBrowsingContextInfoType type, | |
| 454 void* buf, uint32 buf_size) { | |
| 455 CHECK(ChromePluginLib::IsPluginThread()); | |
| 456 switch (type) { | |
| 457 case CPBROWSINGCONTEXT_DATA_DIR_PTR: { | |
| 458 if (buf_size < sizeof(char*)) | |
| 459 return sizeof(char*); | |
| 460 | |
| 461 // TODO(mpcomplete): http://b/1143021 - When we support multiple profiles, | |
| 462 // fetch the data dir from the context. | |
| 463 PluginService* service = PluginService::GetInstance(); | |
| 464 if (!service) | |
| 465 return CPERR_FAILURE; | |
| 466 FilePath path = service->GetChromePluginDataDir(); | |
| 467 // This is wrong -- we can't in general stuff a path through a std::string. | |
| 468 // But this code is Gears-specific, so Windows-only anyway for now. | |
| 469 std::string retval; | |
| 470 #if defined(OS_WIN) | |
| 471 retval = WideToUTF8(path.Append(chrome::kChromePluginDataDirname).value()); | |
| 472 #else | |
| 473 NOTREACHED(); | |
| 474 #endif | |
| 475 *static_cast<char**>(buf) = CPB_StringDup(CPB_Alloc, retval); | |
| 476 return CPERR_SUCCESS; | |
| 477 } | |
| 478 case CPBROWSINGCONTEXT_UI_LOCALE_PTR: { | |
| 479 if (buf_size < sizeof(char*)) | |
| 480 return sizeof(char*); | |
| 481 | |
| 482 PluginService* service = PluginService::GetInstance(); | |
| 483 if (!service) | |
| 484 return CPERR_FAILURE; | |
| 485 const std::string& retval = service->GetUILocale(); | |
| 486 *static_cast<char**>(buf) = CPB_StringDup(CPB_Alloc, retval); | |
| 487 return CPERR_SUCCESS; | |
| 488 } | |
| 489 } | |
| 490 | |
| 491 return CPERR_FAILURE; | |
| 492 } | |
| 493 | |
| 494 CPError STDCALL CPB_AddUICommand(CPID id, int command) { | |
| 495 CHECK(ChromePluginLib::IsPluginThread()); | |
| 496 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 497 CHECK(plugin); | |
| 498 | |
| 499 PluginCommandHandler::RegisterPlugin(plugin); | |
| 500 return CPERR_SUCCESS; | |
| 501 } | |
| 502 | |
| 503 static void NotifyGearsShortcutsChanged() { | |
| 504 DCHECK(MessageLoop::current() == | |
| 505 PluginService::GetInstance()->main_message_loop()); | |
| 506 | |
| 507 // TODO(michaeln): source should be the original profile, fix this | |
| 508 // when gears provides the correct browser context, and when we | |
| 509 // can relate that to an actual profile. | |
| 510 NotificationService::current()->Notify( | |
| 511 NotificationType::WEB_APP_INSTALL_CHANGED, | |
| 512 Source<Profile>(NULL), | |
| 513 NotificationService::NoDetails()); | |
| 514 } | |
| 515 | |
| 516 CPError STDCALL CPB_HandleCommand( | |
| 517 CPID id, CPBrowsingContext context, int command, void *data) { | |
| 518 CHECK(ChromePluginLib::IsPluginThread()); | |
| 519 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 520 CHECK(plugin); | |
| 521 | |
| 522 if (command == GEARSBROWSERCOMMAND_CREATE_SHORTCUT_DONE) { | |
| 523 GearsCreateShortcutResult* result = | |
| 524 static_cast<GearsCreateShortcutResult*>(data); | |
| 525 CHECK(result); | |
| 526 | |
| 527 GearsCreateShortcutData* shortcut_data = | |
| 528 static_cast<GearsCreateShortcutData*>(result->shortcut); | |
| 529 shortcut_data->command_interface->OnCommandResponse(result->result); | |
| 530 } else if (command == GEARSBROWSERCOMMAND_NOTIFY_SHORTCUTS_CHANGED) { | |
| 531 PluginService* service = PluginService::GetInstance(); | |
| 532 if (!service) | |
| 533 return CPERR_FAILURE; | |
| 534 service->main_message_loop()->PostTask(FROM_HERE, | |
| 535 NewRunnableFunction(NotifyGearsShortcutsChanged)); | |
| 536 return CPERR_SUCCESS; | |
| 537 } | |
| 538 return CPERR_FAILURE; | |
| 539 } | |
| 540 | |
| 541 CPError STDCALL CPB_GetDragData( | |
| 542 CPID id, CPBrowsingContext context, struct NPObject* event, bool add_data, | |
| 543 int32* identity, int32* event_id, char** drag_type, char** drag_data) { | |
| 544 *identity = *event_id = 0; | |
| 545 NOTREACHED() << "Should not be called in the browser process."; | |
| 546 return CPERR_FAILURE; | |
| 547 } | |
| 548 | |
| 549 CPError STDCALL CPB_SetDropEffect( | |
| 550 CPID id, CPBrowsingContext context, struct NPObject* event, int effect) { | |
| 551 NOTREACHED() << "Should not be called in the browser process."; | |
| 552 return CPERR_FAILURE; | |
| 553 } | |
| 554 | |
| 555 CPError STDCALL CPB_AllowFileDrop( | |
| 556 CPID id, CPBrowsingContext context, const char* file_drag_data) { | |
| 557 NOTREACHED() << "Should not be called in the browser process."; | |
| 558 return CPERR_FAILURE; | |
| 559 } | |
| 560 | |
| 561 // | |
| 562 // Functions related to network interception | |
| 563 // | |
| 564 | |
| 565 void STDCALL CPB_EnableRequestIntercept(CPID id, const char** schemes, | |
| 566 uint32 num_schemes) { | |
| 567 CHECK(ChromePluginLib::IsPluginThread()); | |
| 568 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 569 CHECK(plugin); | |
| 570 | |
| 571 if (schemes && num_schemes > 0) { | |
| 572 PluginRequestInterceptor* interceptor = | |
| 573 new PluginRequestInterceptor(plugin); | |
| 574 for (uint32 i = 0; i < num_schemes; ++i) | |
| 575 interceptor->RegisterProtocol(schemes[i]); | |
| 576 } else { | |
| 577 PluginRequestInterceptor::DestroyAllHelpersForPlugin(plugin); | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 void STDCALL CPRR_ReceivedRedirect(CPRequest* request, const char* new_url) { | |
| 582 } | |
| 583 | |
| 584 void STDCALL CPRR_StartCompleted(CPRequest* request, CPError result) { | |
| 585 CHECK(ChromePluginLib::IsPluginThread()); | |
| 586 URLRequestInterceptJob* job = URLRequestInterceptJob::FromCPRequest(request); | |
| 587 CHECK(job); | |
| 588 job->OnStartCompleted(result); | |
| 589 } | |
| 590 | |
| 591 void STDCALL CPRR_ReadCompleted(CPRequest* request, int bytes_read) { | |
| 592 CHECK(ChromePluginLib::IsPluginThread()); | |
| 593 URLRequestInterceptJob* job = URLRequestInterceptJob::FromCPRequest(request); | |
| 594 CHECK(job); | |
| 595 job->OnReadCompleted(bytes_read); | |
| 596 } | |
| 597 | |
| 598 void STDCALL CPRR_UploadProgress(CPRequest* request, uint64 pos, uint64 size) { | |
| 599 // Does not apply, plugins do not yet intercept uploads | |
| 600 } | |
| 601 | |
| 602 // | |
| 603 // Functions related to serving network requests to the plugin | |
| 604 // | |
| 605 | |
| 606 CPError STDCALL CPB_CreateRequest(CPID id, CPBrowsingContext context, | |
| 607 const char* method, const char* url, | |
| 608 CPRequest** request) { | |
| 609 CHECK(ChromePluginLib::IsPluginThread()); | |
| 610 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 611 CHECK(plugin); | |
| 612 | |
| 613 ScopableCPRequest* cprequest = new ScopableCPRequest(url, method, context); | |
| 614 PluginRequestHandler* handler = new PluginRequestHandler(plugin, cprequest); | |
| 615 CHECK(handler); | |
| 616 | |
| 617 *request = cprequest; | |
| 618 return CPERR_SUCCESS; | |
| 619 } | |
| 620 | |
| 621 CPError STDCALL CPR_StartRequest(CPRequest* request) { | |
| 622 CHECK(ChromePluginLib::IsPluginThread()); | |
| 623 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 624 CHECK(handler); | |
| 625 handler->request()->Start(); | |
| 626 return CPERR_IO_PENDING; | |
| 627 } | |
| 628 | |
| 629 void STDCALL CPR_EndRequest(CPRequest* request, CPError reason) { | |
| 630 CHECK(ChromePluginLib::IsPluginThread()); | |
| 631 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 632 delete handler; | |
| 633 } | |
| 634 | |
| 635 void STDCALL CPR_SetExtraRequestHeaders(CPRequest* request, | |
| 636 const char* headers) { | |
| 637 CHECK(ChromePluginLib::IsPluginThread()); | |
| 638 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 639 CHECK(handler); | |
| 640 net::HttpRequestHeaders http_headers; | |
| 641 http_headers.AddHeadersFromString(headers); | |
| 642 handler->request()->SetExtraRequestHeaders(http_headers); | |
| 643 } | |
| 644 | |
| 645 void STDCALL CPR_SetRequestLoadFlags(CPRequest* request, uint32 flags) { | |
| 646 CHECK(ChromePluginLib::IsPluginThread()); | |
| 647 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 648 CHECK(handler); | |
| 649 uint32 net_flags = PluginResponseUtils::CPLoadFlagsToNetFlags(flags); | |
| 650 handler->request()->set_load_flags(net_flags); | |
| 651 } | |
| 652 | |
| 653 void STDCALL CPR_AppendDataToUpload(CPRequest* request, const char* bytes, | |
| 654 int bytes_len) { | |
| 655 CHECK(ChromePluginLib::IsPluginThread()); | |
| 656 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 657 CHECK(handler); | |
| 658 handler->request()->AppendBytesToUpload(bytes, bytes_len); | |
| 659 } | |
| 660 | |
| 661 CPError STDCALL CPR_AppendFileToUpload(CPRequest* request, const char* filepath, | |
| 662 uint64 offset, uint64 length) { | |
| 663 CHECK(ChromePluginLib::IsPluginThread()); | |
| 664 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 665 CHECK(handler); | |
| 666 | |
| 667 if (!length) length = kuint64max; | |
| 668 FilePath path(FilePath::FromWStringHack(UTF8ToWide(filepath))); | |
| 669 handler->request()->AppendFileRangeToUpload(path, offset, length, | |
| 670 base::Time()); | |
| 671 return CPERR_SUCCESS; | |
| 672 } | |
| 673 | |
| 674 int STDCALL CPR_GetResponseInfo(CPRequest* request, CPResponseInfoType type, | |
| 675 void* buf, uint32 buf_size) { | |
| 676 CHECK(ChromePluginLib::IsPluginThread()); | |
| 677 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 678 CHECK(handler); | |
| 679 return PluginResponseUtils::GetResponseInfo( | |
| 680 handler->request()->response_headers(), type, buf, buf_size); | |
| 681 } | |
| 682 | |
| 683 int STDCALL CPR_Read(CPRequest* request, void* buf, uint32 buf_size) { | |
| 684 CHECK(ChromePluginLib::IsPluginThread()); | |
| 685 PluginRequestHandler* handler = PluginRequestHandler::FromCPRequest(request); | |
| 686 CHECK(handler); | |
| 687 | |
| 688 int bytes_read; | |
| 689 if (handler->Read(static_cast<char*>(buf), buf_size, &bytes_read)) | |
| 690 return bytes_read; // 0 == CPERR_SUCESS | |
| 691 | |
| 692 if (handler->request()->status().is_io_pending()) | |
| 693 return CPERR_IO_PENDING; | |
| 694 | |
| 695 return CPERR_FAILURE; | |
| 696 } | |
| 697 | |
| 698 CPBool STDCALL CPB_IsPluginProcessRunning(CPID id) { | |
| 699 CHECK(ChromePluginLib::IsPluginThread()); | |
| 700 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 701 CHECK(plugin); | |
| 702 PluginService* service = PluginService::GetInstance(); | |
| 703 if (!service) | |
| 704 return false; | |
| 705 PluginProcessHost *host = service->FindNpapiPluginProcess(plugin->filename()); | |
| 706 return host ? true : false; | |
| 707 } | |
| 708 | |
| 709 CPProcessType STDCALL CPB_GetProcessType(CPID id) { | |
| 710 CHECK(ChromePluginLib::IsPluginThread()); | |
| 711 return CP_PROCESS_BROWSER; | |
| 712 } | |
| 713 | |
| 714 CPError STDCALL CPB_SendMessage(CPID id, const void *data, uint32 data_len) { | |
| 715 CHECK(ChromePluginLib::IsPluginThread()); | |
| 716 ChromePluginLib* plugin = ChromePluginLib::FromCPID(id); | |
| 717 CHECK(plugin); | |
| 718 | |
| 719 PluginService* service = PluginService::GetInstance(); | |
| 720 if (!service) | |
| 721 return CPERR_FAILURE; | |
| 722 PluginProcessHost *host = | |
| 723 service->FindOrStartNpapiPluginProcess(plugin->filename()); | |
| 724 if (!host) | |
| 725 return CPERR_FAILURE; | |
| 726 | |
| 727 const unsigned char* data_ptr = static_cast<const unsigned char*>(data); | |
| 728 std::vector<uint8> v(data_ptr, data_ptr + data_len); | |
| 729 #if defined(OS_WIN) | |
| 730 if (!host->Send(new PluginProcessMsg_PluginMessage(v))) | |
| 731 return CPERR_FAILURE; | |
| 732 #else | |
| 733 // TODO(port): Implement PluginProcessMsg. | |
| 734 NOTIMPLEMENTED(); | |
| 735 #endif | |
| 736 | |
| 737 return CPERR_SUCCESS; | |
| 738 } | |
| 739 | |
| 740 CPError STDCALL CPB_SendSyncMessage(CPID id, const void *data, uint32 data_len, | |
| 741 void **retval, uint32 *retval_len) { | |
| 742 NOTREACHED() << "Sync messages should not be sent from the browser process."; | |
| 743 | |
| 744 return CPERR_FAILURE; | |
| 745 } | |
| 746 | |
| 747 CPError STDCALL CPB_PluginThreadAsyncCall(CPID id, | |
| 748 void (*func)(void *), | |
| 749 void *user_data) { | |
| 750 bool posted = BrowserThread::PostTask( | |
| 751 BrowserThread::IO, FROM_HERE, | |
| 752 NewRunnableFunction(func, user_data)); | |
| 753 return posted ? CPERR_SUCCESS : CPERR_FAILURE; | |
| 754 } | |
| 755 | |
| 756 CPError STDCALL CPB_OpenFileDialog(CPID id, | |
| 757 CPBrowsingContext context, | |
| 758 bool multiple_files, | |
| 759 const char *title, | |
| 760 const char *filter, | |
| 761 void *user_data) { | |
| 762 NOTREACHED() << | |
| 763 "Open file dialog should only be called from the renderer process."; | |
| 764 | |
| 765 return CPERR_FAILURE; | |
| 766 } | |
| 767 | |
| 768 } // namespace | |
| 769 | |
| 770 CPBrowserFuncs* GetCPBrowserFuncsForBrowser() { | |
| 771 static CPBrowserFuncs browser_funcs; | |
| 772 static CPRequestFuncs request_funcs; | |
| 773 static CPResponseFuncs response_funcs; | |
| 774 static bool initialized = false; | |
| 775 if (!initialized) { | |
| 776 initialized = true; | |
| 777 | |
| 778 browser_funcs.size = sizeof(browser_funcs); | |
| 779 browser_funcs.version = CP_VERSION; | |
| 780 browser_funcs.enable_request_intercept = CPB_EnableRequestIntercept; | |
| 781 browser_funcs.create_request = CPB_CreateRequest; | |
| 782 browser_funcs.get_cookies = CPB_GetCookies; | |
| 783 browser_funcs.alloc = CPB_Alloc; | |
| 784 browser_funcs.free = CPB_Free; | |
| 785 browser_funcs.set_keep_process_alive = CPB_SetKeepProcessAlive; | |
| 786 browser_funcs.show_html_dialog_modal = CPB_ShowHtmlDialogModal; | |
| 787 browser_funcs.show_html_dialog = CPB_ShowHtmlDialog; | |
| 788 browser_funcs.is_plugin_process_running = CPB_IsPluginProcessRunning; | |
| 789 browser_funcs.get_process_type = CPB_GetProcessType; | |
| 790 browser_funcs.send_message = CPB_SendMessage; | |
| 791 browser_funcs.get_browsing_context_from_npp = CPB_GetBrowsingContextFromNPP; | |
| 792 browser_funcs.get_browsing_context_info = CPB_GetBrowsingContextInfo; | |
| 793 browser_funcs.get_command_line_arguments = CPB_GetCommandLineArguments; | |
| 794 browser_funcs.add_ui_command = CPB_AddUICommand; | |
| 795 browser_funcs.handle_command = CPB_HandleCommand; | |
| 796 | |
| 797 browser_funcs.request_funcs = &request_funcs; | |
| 798 browser_funcs.response_funcs = &response_funcs; | |
| 799 browser_funcs.send_sync_message = CPB_SendSyncMessage; | |
| 800 browser_funcs.plugin_thread_async_call = CPB_PluginThreadAsyncCall; | |
| 801 browser_funcs.open_file_dialog = CPB_OpenFileDialog; | |
| 802 browser_funcs.get_drag_data = CPB_GetDragData; | |
| 803 browser_funcs.set_drop_effect = CPB_SetDropEffect; | |
| 804 browser_funcs.allow_file_drop = CPB_AllowFileDrop; | |
| 805 | |
| 806 request_funcs.size = sizeof(request_funcs); | |
| 807 request_funcs.start_request = CPR_StartRequest; | |
| 808 request_funcs.end_request = CPR_EndRequest; | |
| 809 request_funcs.set_extra_request_headers = CPR_SetExtraRequestHeaders; | |
| 810 request_funcs.set_request_load_flags = CPR_SetRequestLoadFlags; | |
| 811 request_funcs.append_data_to_upload = CPR_AppendDataToUpload; | |
| 812 request_funcs.get_response_info = CPR_GetResponseInfo; | |
| 813 request_funcs.read = CPR_Read; | |
| 814 request_funcs.append_file_to_upload = CPR_AppendFileToUpload; | |
| 815 | |
| 816 response_funcs.size = sizeof(response_funcs); | |
| 817 response_funcs.received_redirect = CPRR_ReceivedRedirect; | |
| 818 response_funcs.start_completed = CPRR_StartCompleted; | |
| 819 response_funcs.read_completed = CPRR_ReadCompleted; | |
| 820 response_funcs.upload_progress = CPRR_UploadProgress; | |
| 821 } | |
| 822 | |
| 823 return &browser_funcs; | |
| 824 } | |
| 825 | |
| 826 void CPCommandInterface::OnCommandInvoked(CPError retval) { | |
| 827 delete this; | |
| 828 } | |
| 829 | |
| 830 void CPCommandInterface::OnCommandResponse(CPError retval) {} | |
| 831 | |
| 832 void CPHandleCommand(int command, CPCommandInterface* data, | |
| 833 CPBrowsingContext context) { | |
| 834 // Sadly if we try and pass context through, we seem to break cl's little | |
| 835 // brain trying to compile the Tuple3 ctor. This cast works. | |
| 836 int32 context_as_int32 = static_cast<int32>(context); | |
| 837 // Plugins can only be accessed on the IO thread. | |
| 838 BrowserThread::PostTask( | |
| 839 BrowserThread::IO, FROM_HERE, | |
| 840 NewRunnableFunction(PluginCommandHandler::HandleCommand, | |
| 841 command, data, context_as_int32)); | |
| 842 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6576020:
Remove Gears from Chrome (Closed)
Base URL: http://git.chromium.org/git/chromium.git@trunk