1/* 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Collabora Ltd. All rights reserved. 4 * Copyright (C) 2010 Girish Ramakrishnan <girish@forwardbias.in> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "config.h" 29#include "PluginView.h" 30 31#include "BridgeJSC.h" 32#include "Chrome.h" 33#include "CookieJar.h" 34#include "Document.h" 35#include "DocumentLoader.h" 36#include "Element.h" 37#include "FocusController.h" 38#include "Frame.h" 39#include "FrameLoadRequest.h" 40#include "FrameLoader.h" 41#include "FrameLoaderClient.h" 42#include "FrameTree.h" 43#include "FrameView.h" 44#include "GraphicsContext.h" 45#include "HTMLNames.h" 46#include "HTMLPlugInElement.h" 47#include "HTTPHeaderNames.h" 48#include "Image.h" 49#include "JSDOMBinding.h" 50#include "JSDOMWindow.h" 51#include "KeyboardEvent.h" 52#include "MIMETypeRegistry.h" 53#include "MouseEvent.h" 54#include "NotImplemented.h" 55#include "Page.h" 56#include "PlatformMouseEvent.h" 57#include "PluginDatabase.h" 58#include "PluginDebug.h" 59#include "PluginMainThreadScheduler.h" 60#include "PluginPackage.h" 61#include "ProxyServer.h" 62#include "RenderBox.h" 63#include "RenderObject.h" 64#include "ScriptController.h" 65#include "SecurityOrigin.h" 66#include "Settings.h" 67#include "UserGestureIndicator.h" 68#include "WheelEvent.h" 69#include "c_instance.h" 70#include "npruntime_impl.h" 71#include "runtime_root.h" 72#include <bindings/ScriptValue.h> 73#include <runtime/JSCJSValue.h> 74#include <runtime/JSLock.h> 75#include <wtf/ASCIICType.h> 76#include <wtf/text/WTFString.h> 77 78#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API) 79#include "PluginMessageThrottlerWin.h" 80#endif 81 82using JSC::ExecState; 83using JSC::JSLock; 84using JSC::JSObject; 85using JSC::JSValue; 86 87#if ENABLE(NETSCAPE_PLUGIN_API) 88 89using std::min; 90 91using namespace WTF; 92 93namespace WebCore { 94 95using namespace HTMLNames; 96 97static int s_callingPlugin; 98 99typedef HashMap<NPP, PluginView*> InstanceMap; 100 101static InstanceMap& instanceMap() 102{ 103 static InstanceMap& map = *new InstanceMap; 104 return map; 105} 106 107static String scriptStringIfJavaScriptURL(const URL& url) 108{ 109 if (!protocolIsJavaScript(url)) 110 return String(); 111 112 // This returns an unescaped string 113 return decodeURLEscapeSequences(url.string().substring(11)); 114} 115 116PluginView* PluginView::s_currentPluginView = 0; 117 118void PluginView::popPopupsStateTimerFired(Timer<PluginView>*) 119{ 120 popPopupsEnabledState(); 121} 122 123IntRect PluginView::windowClipRect() const 124{ 125 // Start by clipping to our bounds. 126 IntRect clipRect(m_windowRect); 127 128 // Take our element and get the clip rect from the enclosing layer and frame view. 129 FrameView* parentView = m_element->document().view(); 130 clipRect.intersect(parentView->windowClipRectForFrameOwner(m_element, true)); 131 132 return clipRect; 133} 134 135void PluginView::setFrameRect(const IntRect& rect) 136{ 137 if (m_element->document().printing()) 138 return; 139 140 if (rect != frameRect()) 141 Widget::setFrameRect(rect); 142 143 updatePluginWidget(); 144 145#if OS(WINDOWS) 146 // On Windows always call plugin to change geometry. 147 setNPWindowRect(rect); 148#elif defined(XP_UNIX) 149 // On Unix, multiple calls to setNPWindow() in windowed mode causes Flash to crash 150 if (m_mode == NP_FULL || !m_isWindowed) 151 setNPWindowRect(rect); 152#endif 153} 154 155void PluginView::frameRectsChanged() 156{ 157 updatePluginWidget(); 158} 159 160void PluginView::clipRectChanged() 161{ 162 updatePluginWidget(); 163} 164 165void PluginView::handleEvent(Event* event) 166{ 167 if (!m_plugin || m_isWindowed) 168 return; 169 170 // Protect the plug-in from deletion while dispatching the event. 171 RefPtr<PluginView> protect(this); 172 173 if (event->isMouseEvent()) 174 handleMouseEvent(static_cast<MouseEvent*>(event)); 175 else if (event->isKeyboardEvent()) 176 handleKeyboardEvent(static_cast<KeyboardEvent*>(event)); 177#if defined(XP_MACOSX) 178 else if (event->type() == eventNames().wheelEvent || event->type() == eventNames().mousewheelEvent) 179 handleWheelEvent(static_cast<WheelEvent*>(event)); 180#endif 181 else if (event->type() == eventNames().contextmenuEvent) 182 event->setDefaultHandled(); // We don't know if the plug-in has handled mousedown event by displaying a context menu, so we never want WebKit to show a default one. 183#if defined(XP_UNIX) && ENABLE(NETSCAPE_PLUGIN_API) 184 else if (event->type() == eventNames().focusoutEvent) 185 handleFocusOutEvent(); 186 else if (event->type() == eventNames().focusinEvent) 187 handleFocusInEvent(); 188#endif 189} 190 191void PluginView::init() 192{ 193 if (m_haveInitialized) 194 return; 195 196 m_haveInitialized = true; 197 198 if (!m_plugin) { 199 ASSERT(m_status == PluginStatusCanNotFindPlugin); 200 return; 201 } 202 203 LOG(Plugins, "PluginView::init(): Initializing plug-in '%s'", m_plugin->name().utf8().data()); 204 205 if (!m_plugin->load()) { 206 m_plugin = 0; 207 m_status = PluginStatusCanNotLoadPlugin; 208 return; 209 } 210 211 if (!startOrAddToUnstartedList()) { 212 m_status = PluginStatusCanNotLoadPlugin; 213 return; 214 } 215 216 m_status = PluginStatusLoadedSuccessfully; 217} 218 219bool PluginView::startOrAddToUnstartedList() 220{ 221 if (!m_parentFrame->page()) 222 return false; 223 224 // We only delay starting the plug-in if we're going to kick off the load 225 // ourselves. Otherwise, the loader will try to deliver data before we've 226 // started the plug-in. 227 if (!m_loadManually && !m_parentFrame->page()->canStartMedia()) { 228 m_parentFrame->document()->addMediaCanStartListener(this); 229 m_isWaitingToStart = true; 230 return true; 231 } 232 233 return start(); 234} 235 236bool PluginView::start() 237{ 238 if (m_isStarted) 239 return false; 240 241 m_isWaitingToStart = false; 242 243 PluginMainThreadScheduler::scheduler().registerPlugin(m_instance); 244 245 ASSERT(m_plugin); 246 ASSERT(m_plugin->pluginFuncs()->newp); 247 248 NPError npErr; 249 { 250 PluginView::setCurrentPluginView(this); 251 JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); 252 setCallingPlugin(true); 253 npErr = m_plugin->pluginFuncs()->newp((NPMIMEType)m_mimeType.utf8().data(), m_instance, m_mode, m_paramCount, m_paramNames, m_paramValues, NULL); 254 setCallingPlugin(false); 255 LOG_NPERROR(npErr); 256 PluginView::setCurrentPluginView(0); 257 } 258 259 if (npErr != NPERR_NO_ERROR) { 260 m_status = PluginStatusCanNotLoadPlugin; 261 PluginMainThreadScheduler::scheduler().unregisterPlugin(m_instance); 262 return false; 263 } 264 265 m_isStarted = true; 266 267 if (!m_url.isEmpty() && !m_loadManually) { 268 FrameLoadRequest frameLoadRequest(m_parentFrame->document()->securityOrigin()); 269 frameLoadRequest.resourceRequest().setHTTPMethod("GET"); 270 frameLoadRequest.resourceRequest().setURL(m_url); 271 load(frameLoadRequest, false, 0); 272 } 273 274 m_status = PluginStatusLoadedSuccessfully; 275 276 if (!platformStart()) 277 m_status = PluginStatusCanNotLoadPlugin; 278 279 if (m_status != PluginStatusLoadedSuccessfully) 280 return false; 281 282 return true; 283} 284 285void PluginView::mediaCanStart() 286{ 287 ASSERT(!m_isStarted); 288 if (!start()) 289 parentFrame()->loader().client().dispatchDidFailToStartPlugin(this); 290} 291 292PluginView::~PluginView() 293{ 294 LOG(Plugins, "PluginView::~PluginView()"); 295 296 ASSERT(!m_lifeSupportTimer.isActive()); 297 298 // If we failed to find the plug-in, we'll return early in our constructor, and 299 // m_instance will be 0. 300 if (m_instance) 301 instanceMap().remove(m_instance); 302 303 if (m_isWaitingToStart) 304 m_parentFrame->document()->removeMediaCanStartListener(this); 305 306 stop(); 307 308 freeStringArray(m_paramNames, m_paramCount); 309 freeStringArray(m_paramValues, m_paramCount); 310 311 platformDestroy(); 312 313 m_parentFrame->script().cleanupScriptObjectsForPlugin(this); 314 315 if (m_plugin && !(m_plugin->quirks().contains(PluginQuirkDontUnloadPlugin))) 316 m_plugin->unload(); 317} 318 319void PluginView::stop() 320{ 321 if (!m_isStarted) 322 return; 323 324 LOG(Plugins, "PluginView::stop(): Stopping plug-in '%s'", m_plugin->name().utf8().data()); 325 326 HashSet<RefPtr<PluginStream> > streams = m_streams; 327 HashSet<RefPtr<PluginStream> >::iterator end = streams.end(); 328 for (HashSet<RefPtr<PluginStream> >::iterator it = streams.begin(); it != end; ++it) { 329 (*it)->stop(); 330 disconnectStream((*it).get()); 331 } 332 333 ASSERT(m_streams.isEmpty()); 334 335 m_isStarted = false; 336 337 JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); 338 339#if ENABLE(NETSCAPE_PLUGIN_API) 340#if defined(XP_WIN) && !PLATFORM(GTK) 341 // Unsubclass the window 342 if (m_isWindowed) { 343#if OS(WINCE) 344 WNDPROC currentWndProc = (WNDPROC)GetWindowLong(platformPluginWidget(), GWL_WNDPROC); 345 346 if (currentWndProc == PluginViewWndProc) 347 SetWindowLong(platformPluginWidget(), GWL_WNDPROC, (LONG)m_pluginWndProc); 348#else 349 WNDPROC currentWndProc = (WNDPROC)GetWindowLongPtr(platformPluginWidget(), GWLP_WNDPROC); 350 351 if (currentWndProc == PluginViewWndProc) 352 SetWindowLongPtr(platformPluginWidget(), GWLP_WNDPROC, (LONG_PTR)m_pluginWndProc); 353#endif 354 } 355#endif // !defined(XP_WIN) || PLATFORM(GTK) 356#endif // ENABLE(NETSCAPE_PLUGIN_API) 357 358#if !defined(XP_MACOSX) 359 // Clear the window 360 m_npWindow.window = 0; 361 362 if (m_plugin->pluginFuncs()->setwindow && !m_plugin->quirks().contains(PluginQuirkDontSetNullWindowHandleOnDestroy)) { 363 PluginView::setCurrentPluginView(this); 364 setCallingPlugin(true); 365 m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow); 366 setCallingPlugin(false); 367 PluginView::setCurrentPluginView(0); 368 } 369 370#ifdef XP_UNIX 371 delete static_cast<NPSetWindowCallbackStruct*>(m_npWindow.ws_info); 372 m_npWindow.ws_info = 0; 373#endif 374 375#endif // !defined(XP_MACOSX) 376 377 PluginMainThreadScheduler::scheduler().unregisterPlugin(m_instance); 378 379 NPSavedData* savedData = 0; 380 PluginView::setCurrentPluginView(this); 381 setCallingPlugin(true); 382 NPError npErr = m_plugin->pluginFuncs()->destroy(m_instance, &savedData); 383 setCallingPlugin(false); 384 LOG_NPERROR(npErr); 385 PluginView::setCurrentPluginView(0); 386 387#if ENABLE(NETSCAPE_PLUGIN_API) 388 if (savedData) { 389 // TODO: Actually save this data instead of just discarding it 390 if (savedData->buf) 391 NPN_MemFree(savedData->buf); 392 NPN_MemFree(savedData); 393 } 394#endif 395 396 m_instance->pdata = 0; 397} 398 399void PluginView::setCurrentPluginView(PluginView* pluginView) 400{ 401 s_currentPluginView = pluginView; 402} 403 404PluginView* PluginView::currentPluginView() 405{ 406 return s_currentPluginView; 407} 408 409static char* createUTF8String(const String& str) 410{ 411 CString cstr = str.utf8(); 412 const size_t cstrLength = cstr.length(); 413 char* result = reinterpret_cast<char*>(fastMalloc(cstrLength + 1)); 414 415 memcpy(result, cstr.data(), cstrLength); 416 result[cstrLength] = '\0'; 417 418 return result; 419} 420 421void PluginView::performRequest(PluginRequest* request) 422{ 423 if (!m_isStarted) 424 return; 425 426 // don't let a plugin start any loads if it is no longer part of a document that is being 427 // displayed unless the loads are in the same frame as the plugin. 428 const String& targetFrameName = request->frameLoadRequest().frameName(); 429 if (m_parentFrame->loader().documentLoader() != m_parentFrame->loader().activeDocumentLoader() && (targetFrameName.isNull() || m_parentFrame->tree().find(targetFrameName) != m_parentFrame)) 430 return; 431 432 URL requestURL = request->frameLoadRequest().resourceRequest().url(); 433 String jsString = scriptStringIfJavaScriptURL(requestURL); 434 435 UserGestureIndicator gestureIndicator(request->shouldAllowPopups() ? DefinitelyProcessingUserGesture : PossiblyProcessingUserGesture); 436 437 if (jsString.isNull()) { 438 // if this is not a targeted request, create a stream for it. otherwise, 439 // just pass it off to the loader 440 if (targetFrameName.isEmpty()) { 441 RefPtr<PluginStream> stream = PluginStream::create(this, m_parentFrame.get(), request->frameLoadRequest().resourceRequest(), request->sendNotification(), request->notifyData(), plugin()->pluginFuncs(), instance(), m_plugin->quirks()); 442 m_streams.add(stream); 443 stream->start(); 444 } else { 445 // If the target frame is our frame, we could destroy the 446 // PluginView, so we protect it. <rdar://problem/6991251> 447 RefPtr<PluginView> protect(this); 448 449 FrameLoadRequest frameRequest(m_parentFrame.get(), request->frameLoadRequest().resourceRequest()); 450 frameRequest.setFrameName(targetFrameName); 451 frameRequest.setShouldCheckNewWindowPolicy(true); 452 m_parentFrame->loader().load(frameRequest); 453 454 // FIXME: <rdar://problem/4807469> This should be sent when the document has finished loading 455 if (request->sendNotification()) { 456 PluginView::setCurrentPluginView(this); 457 JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); 458 setCallingPlugin(true); 459 m_plugin->pluginFuncs()->urlnotify(m_instance, requestURL.string().utf8().data(), NPRES_DONE, request->notifyData()); 460 setCallingPlugin(false); 461 PluginView::setCurrentPluginView(0); 462 } 463 } 464 return; 465 } 466 467 // Targeted JavaScript requests are only allowed on the frame that contains the JavaScript plugin 468 // and this has been made sure in ::load. 469 ASSERT(targetFrameName.isEmpty() || m_parentFrame->tree().find(targetFrameName) == m_parentFrame); 470 471 // Executing a script can cause the plugin view to be destroyed, so we keep a reference to it. 472 RefPtr<PluginView> protector(this); 473 Deprecated::ScriptValue result = m_parentFrame->script().executeScript(jsString, request->shouldAllowPopups()); 474 475 if (targetFrameName.isNull()) { 476 String resultString; 477 478 JSC::ExecState* scriptState = m_parentFrame->script().globalObject(pluginWorld())->globalExec(); 479 CString cstr; 480 if (result.getString(scriptState, resultString)) 481 cstr = resultString.utf8(); 482 483 RefPtr<PluginStream> stream = PluginStream::create(this, m_parentFrame.get(), request->frameLoadRequest().resourceRequest(), request->sendNotification(), request->notifyData(), plugin()->pluginFuncs(), instance(), m_plugin->quirks()); 484 m_streams.add(stream); 485 stream->sendJavaScriptStream(requestURL, cstr); 486 } 487} 488 489void PluginView::requestTimerFired(Timer<PluginView>* timer) 490{ 491 ASSERT_UNUSED(timer, timer == &m_requestTimer); 492 ASSERT(!m_requests.isEmpty()); 493 ASSERT(!m_isJavaScriptPaused); 494 495 OwnPtr<PluginRequest> request = m_requests[0].release(); 496 m_requests.remove(0); 497 498 // Schedule a new request before calling performRequest since the call to 499 // performRequest can cause the plugin view to be deleted. 500 if (!m_requests.isEmpty()) 501 m_requestTimer.startOneShot(0); 502 503 performRequest(request.get()); 504} 505 506void PluginView::scheduleRequest(PassOwnPtr<PluginRequest> request) 507{ 508 m_requests.append(request); 509 510 if (!m_isJavaScriptPaused) 511 m_requestTimer.startOneShot(0); 512} 513 514NPError PluginView::load(const FrameLoadRequest& frameLoadRequest, bool sendNotification, void* notifyData) 515{ 516 ASSERT(frameLoadRequest.resourceRequest().httpMethod() == "GET" || frameLoadRequest.resourceRequest().httpMethod() == "POST"); 517 518 URL url = frameLoadRequest.resourceRequest().url(); 519 520 if (url.isEmpty()) 521 return NPERR_INVALID_URL; 522 523 // Don't allow requests to be made when the document loader is stopping all loaders. 524 DocumentLoader* loader = m_parentFrame->loader().documentLoader(); 525 if (!loader || loader->isStopping()) 526 return NPERR_GENERIC_ERROR; 527 528 const String& targetFrameName = frameLoadRequest.frameName(); 529 String jsString = scriptStringIfJavaScriptURL(url); 530 531 if (!jsString.isNull()) { 532 // Return NPERR_GENERIC_ERROR if JS is disabled. This is what Mozilla does. 533 if (!m_parentFrame->script().canExecuteScripts(NotAboutToExecuteScript)) 534 return NPERR_GENERIC_ERROR; 535 536 // For security reasons, only allow JS requests to be made on the frame that contains the plug-in. 537 if (!targetFrameName.isNull() && m_parentFrame->tree().find(targetFrameName) != m_parentFrame) 538 return NPERR_INVALID_PARAM; 539 } else if (!m_parentFrame->document()->securityOrigin()->canDisplay(url)) 540 return NPERR_GENERIC_ERROR; 541 542 scheduleRequest(adoptPtr(new PluginRequest(frameLoadRequest, sendNotification, notifyData, arePopupsAllowed()))); 543 544 return NPERR_NO_ERROR; 545} 546 547static URL makeURL(const URL& baseURL, const char* relativeURLString) 548{ 549 String urlString = relativeURLString; 550 551 // Strip return characters. 552 urlString.replaceWithLiteral('\n', ""); 553 urlString.replaceWithLiteral('\r', ""); 554 555 return URL(baseURL, urlString); 556} 557 558NPError PluginView::getURLNotify(const char* url, const char* target, void* notifyData) 559{ 560 FrameLoadRequest frameLoadRequest(m_parentFrame->document()->securityOrigin()); 561 562 frameLoadRequest.setFrameName(target); 563 frameLoadRequest.resourceRequest().setHTTPMethod("GET"); 564 frameLoadRequest.resourceRequest().setURL(makeURL(m_parentFrame->document()->baseURL(), url)); 565 566 return load(frameLoadRequest, true, notifyData); 567} 568 569NPError PluginView::getURL(const char* url, const char* target) 570{ 571 FrameLoadRequest frameLoadRequest(m_parentFrame->document()->securityOrigin()); 572 573 frameLoadRequest.setFrameName(target); 574 frameLoadRequest.resourceRequest().setHTTPMethod("GET"); 575 frameLoadRequest.resourceRequest().setURL(makeURL(m_parentFrame->document()->baseURL(), url)); 576 577 return load(frameLoadRequest, false, 0); 578} 579 580NPError PluginView::postURLNotify(const char* url, const char* target, uint32_t len, const char* buf, NPBool file, void* notifyData) 581{ 582 return handlePost(url, target, len, buf, file, notifyData, true, true); 583} 584 585NPError PluginView::postURL(const char* url, const char* target, uint32_t len, const char* buf, NPBool file) 586{ 587 // As documented, only allow headers to be specified via NPP_PostURL when using a file. 588 return handlePost(url, target, len, buf, file, 0, false, file); 589} 590 591NPError PluginView::newStream(NPMIMEType, const char* /* target */, NPStream**) 592{ 593 notImplemented(); 594 // Unsupported 595 return NPERR_GENERIC_ERROR; 596} 597 598int32_t PluginView::write(NPStream*, int32_t /* len */, void* /* buffer */) 599{ 600 notImplemented(); 601 // Unsupported 602 return -1; 603} 604 605NPError PluginView::destroyStream(NPStream* stream, NPReason reason) 606{ 607 if (!stream || PluginStream::ownerForStream(stream) != m_instance) 608 return NPERR_INVALID_INSTANCE_ERROR; 609 610 PluginStream* browserStream = static_cast<PluginStream*>(stream->ndata); 611 browserStream->cancelAndDestroyStream(reason); 612 613 return NPERR_NO_ERROR; 614} 615 616void PluginView::status(const char* message) 617{ 618 if (Page* page = m_parentFrame->page()) 619 page->chrome().setStatusbarText(m_parentFrame.get(), String::fromUTF8(message)); 620} 621 622NPError PluginView::setValue(NPPVariable variable, void* value) 623{ 624 LOG(Plugins, "PluginView::setValue(%s): ", prettyNameForNPPVariable(variable, value).data()); 625 626 switch (variable) { 627 case NPPVpluginWindowBool: 628 m_isWindowed = value; 629 return NPERR_NO_ERROR; 630 case NPPVpluginTransparentBool: 631 m_isTransparent = value; 632 return NPERR_NO_ERROR; 633#if defined(XP_MACOSX) 634 case NPPVpluginDrawingModel: { 635 // Can only set drawing model inside NPP_New() 636 if (this != currentPluginView()) 637 return NPERR_GENERIC_ERROR; 638 639 NPDrawingModel newDrawingModel = NPDrawingModel(uintptr_t(value)); 640 switch (newDrawingModel) { 641 case NPDrawingModelCoreGraphics: 642 return NPERR_NO_ERROR; 643 case NPDrawingModelCoreAnimation: 644 default: 645 LOG(Plugins, "Plugin asked for unsupported drawing model: %s", 646 prettyNameForDrawingModel(newDrawingModel)); 647 return NPERR_GENERIC_ERROR; 648 } 649 } 650 651 case NPPVpluginEventModel: { 652 // Can only set event model inside NPP_New() 653 if (this != currentPluginView()) 654 return NPERR_GENERIC_ERROR; 655 656 NPEventModel newEventModel = NPEventModel(uintptr_t(value)); 657 switch (newEventModel) { 658 case NPEventModelCocoa: 659 return NPERR_NO_ERROR; 660 default: 661 LOG(Plugins, "Plugin asked for unsupported event model: %s", 662 prettyNameForEventModel(newEventModel)); 663 return NPERR_GENERIC_ERROR; 664 } 665 } 666#endif // defined(XP_MACOSX) 667 668 default: 669 notImplemented(); 670 return NPERR_GENERIC_ERROR; 671 } 672} 673 674void PluginView::invalidateTimerFired(Timer<PluginView>* timer) 675{ 676 ASSERT_UNUSED(timer, timer == &m_invalidateTimer); 677 678 for (unsigned i = 0; i < m_invalidRects.size(); i++) 679 invalidateRect(m_invalidRects[i]); 680 m_invalidRects.clear(); 681} 682 683 684void PluginView::pushPopupsEnabledState(bool state) 685{ 686 m_popupStateStack.append(state); 687} 688 689void PluginView::popPopupsEnabledState() 690{ 691 m_popupStateStack.removeLast(); 692} 693 694bool PluginView::arePopupsAllowed() const 695{ 696 if (!m_popupStateStack.isEmpty()) 697 return m_popupStateStack.last(); 698 699 return false; 700} 701 702void PluginView::setJavaScriptPaused(bool paused) 703{ 704 if (m_isJavaScriptPaused == paused) 705 return; 706 m_isJavaScriptPaused = paused; 707 708 if (m_isJavaScriptPaused) 709 m_requestTimer.stop(); 710 else if (!m_requests.isEmpty()) 711 m_requestTimer.startOneShot(0); 712} 713 714#if ENABLE(NETSCAPE_PLUGIN_API) 715NPObject* PluginView::npObject() 716{ 717 NPObject* object = 0; 718 719 if (!m_isStarted || !m_plugin || !m_plugin->pluginFuncs()->getvalue) 720 return 0; 721 722 // On Windows, calling Java's NPN_GetValue can allow the message loop to 723 // run, allowing loading to take place or JavaScript to run. Protect the 724 // PluginView from destruction. <rdar://problem/6978804> 725 RefPtr<PluginView> protect(this); 726 727 NPError npErr; 728 { 729 PluginView::setCurrentPluginView(this); 730 JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); 731 setCallingPlugin(true); 732 npErr = m_plugin->pluginFuncs()->getvalue(m_instance, NPPVpluginScriptableNPObject, &object); 733 setCallingPlugin(false); 734 PluginView::setCurrentPluginView(0); 735 } 736 737 if (npErr != NPERR_NO_ERROR) 738 return 0; 739 740 return object; 741} 742#endif 743 744PassRefPtr<JSC::Bindings::Instance> PluginView::bindingInstance() 745{ 746#if ENABLE(NETSCAPE_PLUGIN_API) 747 NPObject* object = npObject(); 748 if (!object) 749 return 0; 750 751 if (hasOneRef()) { 752 // The renderer for the PluginView was destroyed during the above call, and 753 // the PluginView will be destroyed when this function returns, so we 754 // return null. 755 return 0; 756 } 757 758 RefPtr<JSC::Bindings::RootObject> root = m_parentFrame->script().createRootObject(this); 759 RefPtr<JSC::Bindings::Instance> instance = JSC::Bindings::CInstance::create(object, root.release()); 760 761 _NPN_ReleaseObject(object); 762 763 return instance.release(); 764#else 765 return 0; 766#endif 767} 768 769void PluginView::disconnectStream(PluginStream* stream) 770{ 771 ASSERT(m_streams.contains(stream)); 772 773 m_streams.remove(stream); 774} 775 776void PluginView::setParameters(const Vector<String>& paramNames, const Vector<String>& paramValues) 777{ 778 ASSERT(paramNames.size() == paramValues.size()); 779 780 unsigned size = paramNames.size(); 781 unsigned paramCount = 0; 782 783 m_paramNames = reinterpret_cast<char**>(fastMalloc(sizeof(char*) * size)); 784 m_paramValues = reinterpret_cast<char**>(fastMalloc(sizeof(char*) * size)); 785 786 for (unsigned i = 0; i < size; i++) { 787 if (m_plugin->quirks().contains(PluginQuirkRemoveWindowlessVideoParam) && equalIgnoringCase(paramNames[i], "windowlessvideo")) 788 continue; 789 790 if (paramNames[i] == "pluginspage") 791 m_pluginsPage = paramValues[i]; 792 793 m_paramNames[paramCount] = createUTF8String(paramNames[i]); 794 m_paramValues[paramCount] = createUTF8String(paramValues[i]); 795 796 paramCount++; 797 } 798 799 m_paramCount = paramCount; 800} 801 802PluginView::PluginView(Frame* parentFrame, const IntSize& size, PluginPackage* plugin, HTMLPlugInElement* element, const URL& url, const Vector<String>& paramNames, const Vector<String>& paramValues, const String& mimeType, bool loadManually) 803 : m_parentFrame(parentFrame) 804 , m_plugin(plugin) 805 , m_element(element) 806 , m_isStarted(false) 807 , m_url(url) 808 , m_status(PluginStatusLoadedSuccessfully) 809 , m_requestTimer(this, &PluginView::requestTimerFired) 810 , m_invalidateTimer(this, &PluginView::invalidateTimerFired) 811 , m_popPopupsStateTimer(this, &PluginView::popPopupsStateTimerFired) 812 , m_lifeSupportTimer(this, &PluginView::lifeSupportTimerFired) 813 , m_mode(loadManually ? NP_FULL : NP_EMBED) 814 , m_paramNames(0) 815 , m_paramValues(0) 816 , m_mimeType(mimeType) 817 , m_instance(0) 818#if defined(XP_MACOSX) 819 , m_isWindowed(false) 820 , m_updatedCocoaTextInputRequested(false) 821 , m_keyDownSent(false) 822 , m_disregardKeyUpCounter(0) 823#else 824 , m_isWindowed(true) 825#endif 826 , m_isTransparent(false) 827 , m_haveInitialized(false) 828 , m_isWaitingToStart(false) 829#if defined(XP_UNIX) 830 , m_needsXEmbed(false) 831#endif 832#if OS(WINDOWS) && ENABLE(NETSCAPE_PLUGIN_API) 833 , m_pluginWndProc(0) 834 , m_lastMessage(0) 835 , m_isCallingPluginWndProc(false) 836 , m_wmPrintHDC(0) 837 , m_haveUpdatedPluginWidget(false) 838#endif 839#if PLATFORM(EFL) 840 , m_window(0) 841#endif 842#if defined(XP_MACOSX) 843 , m_contextRef(0) 844#endif 845#if defined(XP_UNIX) && ENABLE(NETSCAPE_PLUGIN_API) 846 , m_hasPendingGeometryChange(true) 847 , m_drawable(0) 848 , m_visual(0) 849 , m_colormap(0) 850 , m_pluginDisplay(0) 851#endif 852 , m_loadManually(loadManually) 853 , m_manualStream(0) 854 , m_isJavaScriptPaused(false) 855 , m_haveCalledSetWindow(false) 856{ 857 if (!m_plugin) { 858 m_status = PluginStatusCanNotFindPlugin; 859 return; 860 } 861 862 m_instance = &m_instanceStruct; 863 m_instance->ndata = this; 864 m_instance->pdata = 0; 865 866 instanceMap().add(m_instance, this); 867 868 setParameters(paramNames, paramValues); 869 870 memset(&m_npWindow, 0, sizeof(m_npWindow)); 871#if defined(XP_MACOSX) 872 memset(&m_npCgContext, 0, sizeof(m_npCgContext)); 873#endif 874 875 resize(size); 876} 877 878void PluginView::focusPluginElement() 879{ 880 if (Page* page = m_parentFrame->page()) 881 page->focusController().setFocusedElement(m_element, m_parentFrame); 882 else 883 m_parentFrame->document()->setFocusedElement(m_element); 884} 885 886void PluginView::didReceiveResponse(const ResourceResponse& response) 887{ 888 if (m_status != PluginStatusLoadedSuccessfully) 889 return; 890 891 ASSERT(m_loadManually); 892 ASSERT(!m_manualStream); 893 894 m_manualStream = PluginStream::create(this, m_parentFrame.get(), m_parentFrame->loader().activeDocumentLoader()->request(), false, 0, plugin()->pluginFuncs(), instance(), m_plugin->quirks()); 895 m_manualStream->setLoadManually(true); 896 897 m_manualStream->didReceiveResponse(0, response); 898} 899 900void PluginView::didReceiveData(const char* data, int length) 901{ 902 if (m_status != PluginStatusLoadedSuccessfully) 903 return; 904 905 ASSERT(m_loadManually); 906 ASSERT(m_manualStream); 907 908 m_manualStream->didReceiveData(0, data, length); 909} 910 911void PluginView::didFinishLoading() 912{ 913 if (m_status != PluginStatusLoadedSuccessfully) 914 return; 915 916 ASSERT(m_loadManually); 917 ASSERT(m_manualStream); 918 919 m_manualStream->didFinishLoading(0); 920} 921 922void PluginView::didFail(const ResourceError& error) 923{ 924 if (m_status != PluginStatusLoadedSuccessfully) 925 return; 926 927 ASSERT(m_loadManually); 928 929 if (m_manualStream) 930 m_manualStream->didFail(0, error); 931} 932 933void PluginView::setCallingPlugin(bool b) const 934{ 935 if (!m_plugin->quirks().contains(PluginQuirkHasModalMessageLoop)) 936 return; 937 938 if (b) 939 ++s_callingPlugin; 940 else 941 --s_callingPlugin; 942 943 ASSERT(s_callingPlugin >= 0); 944} 945 946bool PluginView::isCallingPlugin() 947{ 948 return s_callingPlugin > 0; 949} 950 951PassRefPtr<PluginView> PluginView::create(Frame* parentFrame, const IntSize& size, HTMLPlugInElement* element, const URL& url, const Vector<String>& paramNames, const Vector<String>& paramValues, const String& mimeType, bool loadManually) 952{ 953 // if we fail to find a plugin for this MIME type, findPlugin will search for 954 // a plugin by the file extension and update the MIME type, so pass a mutable String 955 String mimeTypeCopy = mimeType; 956 PluginPackage* plugin = PluginDatabase::installedPlugins()->findPlugin(url, mimeTypeCopy); 957 958 // No plugin was found, try refreshing the database and searching again 959 if (!plugin && PluginDatabase::installedPlugins()->refresh()) { 960 mimeTypeCopy = mimeType; 961 plugin = PluginDatabase::installedPlugins()->findPlugin(url, mimeTypeCopy); 962 } 963 964 return adoptRef(new PluginView(parentFrame, size, plugin, element, url, paramNames, paramValues, mimeTypeCopy, loadManually)); 965} 966 967void PluginView::freeStringArray(char** stringArray, int length) 968{ 969 if (!stringArray) 970 return; 971 972 for (int i = 0; i < length; i++) 973 fastFree(stringArray[i]); 974 975 fastFree(stringArray); 976} 977 978static inline bool startsWithBlankLine(const Vector<char>& buffer) 979{ 980 return buffer.size() > 0 && buffer[0] == '\n'; 981} 982 983static inline int locationAfterFirstBlankLine(const Vector<char>& buffer) 984{ 985 const char* bytes = buffer.data(); 986 unsigned length = buffer.size(); 987 988 for (unsigned i = 0; i < length - 4; i++) { 989 // Support for Acrobat. It sends "\n\n". 990 if (bytes[i] == '\n' && bytes[i + 1] == '\n') 991 return i + 2; 992 993 // Returns the position after 2 CRLF's or 1 CRLF if it is the first line. 994 if (bytes[i] == '\r' && bytes[i + 1] == '\n') { 995 i += 2; 996 if (i == 2) 997 return i; 998 else if (bytes[i] == '\n') 999 // Support for Director. It sends "\r\n\n" (3880387). 1000 return i + 1; 1001 else if (bytes[i] == '\r' && bytes[i + 1] == '\n') 1002 // Support for Flash. It sends "\r\n\r\n" (3758113). 1003 return i + 2; 1004 } 1005 } 1006 1007 return -1; 1008} 1009 1010static inline const char* findEOL(const char* bytes, unsigned length) 1011{ 1012 // According to the HTTP specification EOL is defined as 1013 // a CRLF pair. Unfortunately, some servers will use LF 1014 // instead. Worse yet, some servers will use a combination 1015 // of both (e.g. <header>CRLFLF<body>), so findEOL needs 1016 // to be more forgiving. It will now accept CRLF, LF or 1017 // CR. 1018 // 1019 // It returns NULL if EOLF is not found or it will return 1020 // a pointer to the first terminating character. 1021 for (unsigned i = 0; i < length; i++) { 1022 if (bytes[i] == '\n') 1023 return bytes + i; 1024 if (bytes[i] == '\r') { 1025 // Check to see if spanning buffer bounds 1026 // (CRLF is across reads). If so, wait for 1027 // next read. 1028 if (i + 1 == length) 1029 break; 1030 1031 return bytes + i; 1032 } 1033 } 1034 1035 return 0; 1036} 1037 1038static inline String capitalizeRFC822HeaderFieldName(const String& name) 1039{ 1040 bool capitalizeCharacter = true; 1041 String result; 1042 1043 for (unsigned i = 0; i < name.length(); i++) { 1044 UChar c; 1045 1046 if (capitalizeCharacter && name[i] >= 'a' && name[i] <= 'z') 1047 c = toASCIIUpper(name[i]); 1048 else if (!capitalizeCharacter && name[i] >= 'A' && name[i] <= 'Z') 1049 c = toASCIILower(name[i]); 1050 else 1051 c = name[i]; 1052 1053 if (name[i] == '-') 1054 capitalizeCharacter = true; 1055 else 1056 capitalizeCharacter = false; 1057 1058 result.append(c); 1059 } 1060 1061 return result; 1062} 1063 1064static inline HTTPHeaderMap parseRFC822HeaderFields(const Vector<char>& buffer, unsigned length) 1065{ 1066 const char* bytes = buffer.data(); 1067 const char* eol; 1068 String lastKey; 1069 HTTPHeaderMap headerFields; 1070 1071 // Loop ove rlines until we're past the header, or we can't find any more end-of-lines 1072 while ((eol = findEOL(bytes, length))) { 1073 const char* line = bytes; 1074 int lineLength = eol - bytes; 1075 1076 // Move bytes to the character after the terminator as returned by findEOL. 1077 bytes = eol + 1; 1078 if ((*eol == '\r') && (*bytes == '\n')) 1079 bytes++; // Safe since findEOL won't return a spanning CRLF. 1080 1081 length -= (bytes - line); 1082 if (lineLength == 0) 1083 // Blank line; we're at the end of the header 1084 break; 1085 else if (*line == ' ' || *line == '\t') { 1086 // Continuation of the previous header 1087 if (lastKey.isNull()) { 1088 // malformed header; ignore it and continue 1089 continue; 1090 } else { 1091 // Merge the continuation of the previous header 1092 String currentValue = headerFields.get(lastKey); 1093 String newValue(line, lineLength); 1094 1095 headerFields.set(lastKey, currentValue + newValue); 1096 } 1097 } else { 1098 // Brand new header 1099 const char* colon; 1100 for (colon = line; *colon != ':' && colon != eol; colon++) { 1101 // empty loop 1102 } 1103 if (colon == eol) 1104 // malformed header; ignore it and continue 1105 continue; 1106 else { 1107 lastKey = capitalizeRFC822HeaderFieldName(String(line, colon - line)); 1108 String value; 1109 1110 for (colon++; colon != eol; colon++) { 1111 if (*colon != ' ' && *colon != '\t') 1112 break; 1113 } 1114 if (colon == eol) 1115 value = ""; 1116 else 1117 value = String(colon, eol - colon); 1118 1119 String oldValue = headerFields.get(lastKey); 1120 if (!oldValue.isNull()) 1121 value = oldValue + ", " + value; 1122 1123 headerFields.set(lastKey, value); 1124 } 1125 } 1126 } 1127 1128 return headerFields; 1129} 1130 1131NPError PluginView::handlePost(const char* url, const char* target, uint32_t len, const char* buf, bool file, void* notifyData, bool sendNotification, bool allowHeaders) 1132{ 1133 if (!url || !len || !buf) 1134 return NPERR_INVALID_PARAM; 1135 1136 FrameLoadRequest frameLoadRequest(m_parentFrame->document()->securityOrigin()); 1137 1138 HTTPHeaderMap headerFields; 1139 Vector<char> buffer; 1140 1141 if (file) { 1142 NPError readResult = handlePostReadFile(buffer, len, buf); 1143 if(readResult != NPERR_NO_ERROR) 1144 return readResult; 1145 } else { 1146 buffer.resize(len); 1147 memcpy(buffer.data(), buf, len); 1148 } 1149 1150 const char* postData = buffer.data(); 1151 int postDataLength = buffer.size(); 1152 1153 if (allowHeaders) { 1154 if (startsWithBlankLine(buffer)) { 1155 postData++; 1156 postDataLength--; 1157 } else { 1158 int location = locationAfterFirstBlankLine(buffer); 1159 if (location != -1) { 1160 // If the blank line is somewhere in the middle of the buffer, everything before is the header 1161 headerFields = parseRFC822HeaderFields(buffer, location); 1162 unsigned dataLength = buffer.size() - location; 1163 1164 // Sometimes plugins like to set Content-Length themselves when they post, 1165 // but WebFoundation does not like that. So we will remove the header 1166 // and instead truncate the data to the requested length. 1167 String contentLength = headerFields.get(HTTPHeaderName::ContentLength); 1168 1169 if (!contentLength.isNull()) 1170 dataLength = min(contentLength.toInt(), (int)dataLength); 1171 headerFields.remove(HTTPHeaderName::ContentLength); 1172 1173 postData += location; 1174 postDataLength = dataLength; 1175 } 1176 } 1177 } 1178 1179 frameLoadRequest.resourceRequest().setHTTPMethod("POST"); 1180 frameLoadRequest.resourceRequest().setURL(makeURL(m_parentFrame->document()->baseURL(), url)); 1181 frameLoadRequest.resourceRequest().setHTTPHeaderFields(WTF::move(headerFields)); 1182 frameLoadRequest.resourceRequest().setHTTPBody(FormData::create(postData, postDataLength)); 1183 frameLoadRequest.setFrameName(target); 1184 1185 return load(frameLoadRequest, sendNotification, notifyData); 1186} 1187 1188void PluginView::invalidateWindowlessPluginRect(const IntRect& rect) 1189{ 1190 if (!isVisible()) 1191 return; 1192 1193 if (!m_element->renderer()) 1194 return; 1195 RenderBox* renderer = toRenderBox(m_element->renderer()); 1196 1197 IntRect dirtyRect = rect; 1198 dirtyRect.move(renderer->borderLeft() + renderer->paddingLeft(), renderer->borderTop() + renderer->paddingTop()); 1199 renderer->repaintRectangle(dirtyRect); 1200} 1201 1202void PluginView::paintMissingPluginIcon(GraphicsContext* context, const IntRect& rect) 1203{ 1204 static RefPtr<Image> nullPluginImage; 1205 if (!nullPluginImage) 1206 nullPluginImage = Image::loadPlatformResource("nullPlugin"); 1207 1208 IntRect imageRect(frameRect().x(), frameRect().y(), nullPluginImage->width(), nullPluginImage->height()); 1209 1210 int xOffset = (frameRect().width() - imageRect.width()) / 2; 1211 int yOffset = (frameRect().height() - imageRect.height()) / 2; 1212 1213 imageRect.move(xOffset, yOffset); 1214 1215 if (!rect.intersects(imageRect)) 1216 return; 1217 1218 context->save(); 1219 context->clip(windowClipRect()); 1220 context->drawImage(nullPluginImage.get(), ColorSpaceDeviceRGB, imageRect.location()); 1221 context->restore(); 1222} 1223 1224static const char* MozillaUserAgent = "Mozilla/5.0 (" 1225#if defined(XP_MACOSX) 1226 "Macintosh; U; Intel Mac OS X;" 1227#elif defined(XP_WIN) 1228 "Windows; U; Windows NT 5.1;" 1229#elif defined(XP_UNIX) 1230// The Gtk port uses X11 plugins in Mac. 1231#if OS(DARWIN) && PLATFORM(GTK) 1232 "X11; U; Intel Mac OS X;" 1233#else 1234 "X11; U; Linux i686;" 1235#endif 1236#endif 1237 " en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0"; 1238 1239static const char* const ChromeUserAgent = "Mozilla/5.0 (" 1240#if defined(XP_MACOSX) 1241 "Macintosh; U; Intel Mac OS X;" 1242#elif defined(XP_WIN) 1243 "Windows; U; Windows NT 5.1;" 1244#elif defined(XP_UNIX) 1245 // The Gtk port uses X11 plugins in Mac. 1246#if OS(DARWIN) && PLATFORM(GTK) 1247 "X11; U; Intel Mac OS X;" 1248#else 1249 "X11; U; Linux i686;" 1250#endif 1251#endif 1252 " AppleWebKit/534.34 (KHTML, like Gecko) Chrome/19.0.1055.1 Safari/534.34"; 1253 1254const char* PluginView::userAgent() 1255{ 1256 if (m_plugin->quirks().contains(PluginQuirkWantsMozillaUserAgent)) 1257 return MozillaUserAgent; 1258 else if (m_plugin->quirks().contains(PluginQuirkWantsChromeUserAgent)) 1259 return ChromeUserAgent; 1260 if (m_userAgent.isNull()) 1261 m_userAgent = m_parentFrame->loader().userAgent(m_url).utf8(); 1262 1263 return m_userAgent.data(); 1264} 1265 1266#if ENABLE(NETSCAPE_PLUGIN_API) 1267const char* PluginView::userAgentStatic() 1268{ 1269 return MozillaUserAgent; 1270} 1271#endif 1272 1273 1274void PluginView::lifeSupportTimerFired(Timer<PluginView>*) 1275{ 1276 deref(); 1277} 1278 1279void PluginView::keepAlive() 1280{ 1281 if (m_lifeSupportTimer.isActive()) 1282 return; 1283 1284 ref(); 1285 m_lifeSupportTimer.startOneShot(0); 1286} 1287 1288#if ENABLE(NETSCAPE_PLUGIN_API) 1289void PluginView::keepAlive(NPP instance) 1290{ 1291 PluginView* view = instanceMap().get(instance); 1292 if (!view) 1293 return; 1294 1295 view->keepAlive(); 1296} 1297 1298NPError PluginView::getValueStatic(NPNVariable variable, void* value) 1299{ 1300 LOG(Plugins, "PluginView::getValueStatic(%s)", prettyNameForNPNVariable(variable).data()); 1301 1302 NPError result; 1303 if (platformGetValueStatic(variable, value, &result)) 1304 return result; 1305 1306 return NPERR_GENERIC_ERROR; 1307} 1308 1309NPError PluginView::getValue(NPNVariable variable, void* value) 1310{ 1311 LOG(Plugins, "PluginView::getValue(%s)", prettyNameForNPNVariable(variable).data()); 1312 1313 NPError result; 1314 if (platformGetValue(variable, value, &result)) 1315 return result; 1316 1317 if (platformGetValueStatic(variable, value, &result)) 1318 return result; 1319 1320 switch (variable) { 1321 case NPNVWindowNPObject: { 1322 if (m_isJavaScriptPaused) 1323 return NPERR_GENERIC_ERROR; 1324 1325 NPObject* windowScriptObject = m_parentFrame->script().windowScriptNPObject(); 1326 1327 // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html> 1328 if (windowScriptObject) 1329 _NPN_RetainObject(windowScriptObject); 1330 1331 void** v = (void**)value; 1332 *v = windowScriptObject; 1333 1334 return NPERR_NO_ERROR; 1335 } 1336 1337 case NPNVPluginElementNPObject: { 1338 if (m_isJavaScriptPaused) 1339 return NPERR_GENERIC_ERROR; 1340 1341 NPObject* pluginScriptObject = 0; 1342 1343 if (m_element->hasTagName(appletTag) || m_element->hasTagName(embedTag) || m_element->hasTagName(objectTag)) 1344 pluginScriptObject = m_element->getNPObject(); 1345 1346 // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugin/npruntime.html> 1347 if (pluginScriptObject) 1348 _NPN_RetainObject(pluginScriptObject); 1349 1350 void** v = (void**)value; 1351 *v = pluginScriptObject; 1352 1353 return NPERR_NO_ERROR; 1354 } 1355 1356 case NPNVprivateModeBool: { 1357 Page* page = m_parentFrame->page(); 1358 if (!page) 1359 return NPERR_GENERIC_ERROR; 1360 *((NPBool*)value) = page->usesEphemeralSession(); 1361 return NPERR_NO_ERROR; 1362 } 1363 1364 default: 1365 return NPERR_GENERIC_ERROR; 1366 } 1367} 1368 1369static Frame* getFrame(Frame* parentFrame, Element* element) 1370{ 1371 if (parentFrame) 1372 return parentFrame; 1373 1374 return element->document().frame(); 1375} 1376 1377NPError PluginView::getValueForURL(NPNURLVariable variable, const char* url, char** value, uint32_t* len) 1378{ 1379 LOG(Plugins, "PluginView::getValueForURL(%s)", prettyNameForNPNURLVariable(variable).data()); 1380 1381 NPError result = NPERR_NO_ERROR; 1382 1383 switch (variable) { 1384 case NPNURLVCookie: { 1385 URL u(m_parentFrame->document()->baseURL(), url); 1386 if (u.isValid()) { 1387 Frame* frame = getFrame(parentFrame(), m_element); 1388 if (frame) { 1389 const CString cookieStr = cookies(frame->document(), u).utf8(); 1390 if (!cookieStr.isNull()) { 1391 const int size = cookieStr.length(); 1392 *value = static_cast<char*>(NPN_MemAlloc(size+1)); 1393 if (*value) { 1394 memset(*value, 0, size+1); 1395 memcpy(*value, cookieStr.data(), size+1); 1396 if (len) 1397 *len = size; 1398 } else 1399 result = NPERR_OUT_OF_MEMORY_ERROR; 1400 } 1401 } 1402 } else 1403 result = NPERR_INVALID_URL; 1404 break; 1405 } 1406 case NPNURLVProxy: { 1407 URL u(m_parentFrame->document()->baseURL(), url); 1408 if (u.isValid()) { 1409 Frame* frame = getFrame(parentFrame(), m_element); 1410 const FrameLoader* frameLoader = frame ? &frame->loader() : 0; 1411 const NetworkingContext* context = frameLoader ? frameLoader->networkingContext() : 0; 1412 const CString proxyStr = toString(proxyServersForURL(u, context)).utf8(); 1413 if (!proxyStr.isNull()) { 1414 const int size = proxyStr.length(); 1415 *value = static_cast<char*>(NPN_MemAlloc(size+1)); 1416 if (*value) { 1417 memset(*value, 0, size+1); 1418 memcpy(*value, proxyStr.data(), size+1); 1419 if (len) 1420 *len = size; 1421 } else 1422 result = NPERR_OUT_OF_MEMORY_ERROR; 1423 } 1424 } else 1425 result = NPERR_INVALID_URL; 1426 break; 1427 } 1428 default: 1429 result = NPERR_GENERIC_ERROR; 1430 LOG(Plugins, "PluginView::getValueForURL: %s", prettyNameForNPNURLVariable(variable).data()); 1431 break; 1432 } 1433 1434 return result; 1435} 1436 1437 1438NPError PluginView::setValueForURL(NPNURLVariable variable, const char* url, const char* value, uint32_t len) 1439{ 1440 LOG(Plugins, "PluginView::setValueForURL(%s)", prettyNameForNPNURLVariable(variable).data()); 1441 1442 NPError result = NPERR_NO_ERROR; 1443 1444 switch (variable) { 1445 case NPNURLVCookie: { 1446 URL u(m_parentFrame->document()->baseURL(), url); 1447 if (u.isValid()) { 1448 const String cookieStr = String::fromUTF8(value, len); 1449 Frame* frame = getFrame(parentFrame(), m_element); 1450 if (frame && !cookieStr.isEmpty()) 1451 setCookies(frame->document(), u, cookieStr); 1452 } else 1453 result = NPERR_INVALID_URL; 1454 break; 1455 } 1456 case NPNURLVProxy: 1457 LOG(Plugins, "PluginView::setValueForURL(%s): Plugins are NOT allowed to set proxy information.", prettyNameForNPNURLVariable(variable).data()); 1458 result = NPERR_GENERIC_ERROR; 1459 break; 1460 default: 1461 LOG(Plugins, "PluginView::setValueForURL: %s", prettyNameForNPNURLVariable(variable).data()); 1462 result = NPERR_GENERIC_ERROR; 1463 break; 1464 } 1465 1466 return result; 1467} 1468 1469NPError PluginView::getAuthenticationInfo(const char* protocol, const char* host, int32_t port, const char* /* scheme */, const char* /* realm */, char** /* username */, uint32_t* /* ulen */, char** /* password */, uint32_t* /* plen */) 1470{ 1471#if LOG_DISABLED 1472 UNUSED_PARAM(protocol); 1473 UNUSED_PARAM(host); 1474 UNUSED_PARAM(port); 1475#endif 1476 LOG(Plugins, "PluginView::getAuthenticationInfo: protocol=%s, host=%s, port=%d", protocol, host, port); 1477 notImplemented(); 1478 return NPERR_GENERIC_ERROR; 1479} 1480#endif 1481 1482void PluginView::privateBrowsingStateChanged(bool privateBrowsingEnabled) 1483{ 1484 NPP_SetValueProcPtr setValue = m_plugin->pluginFuncs()->setvalue; 1485 if (!setValue) 1486 return; 1487 1488 PluginView::setCurrentPluginView(this); 1489 JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); 1490 setCallingPlugin(true); 1491 NPBool value = privateBrowsingEnabled; 1492 setValue(m_instance, NPNVprivateModeBool, &value); 1493 setCallingPlugin(false); 1494 PluginView::setCurrentPluginView(0); 1495} 1496 1497} // namespace WebCore 1498 1499#endif // ENABLE(NETSCAPE_PLUGIN_API) 1500