/* * Copyright (C) 2006-2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "WebFrameLoaderClient.h" #import "BackForwardList.h" #import "DOMElementInternal.h" #import "DOMHTMLFormElementInternal.h" #import "WebBackForwardList.h" #import "WebBasePluginPackage.h" #import "WebCachedFramePlatformData.h" #import "WebChromeClient.h" #import "WebDataSourceInternal.h" #import "WebDelegateImplementationCaching.h" #import "WebDocumentInternal.h" #import "WebDocumentLoaderMac.h" #import "WebDownload.h" #import "WebDynamicScrollBarsViewInternal.h" #import "WebElementDictionary.h" #import "WebFormDelegate.h" #import "WebFrameInternal.h" #import "WebFrameLoadDelegatePrivate.h" #import "WebFrameNetworkingContext.h" #import "WebFrameViewInternal.h" #import "WebHTMLRepresentationPrivate.h" #import "WebHTMLViewInternal.h" #import "WebHistoryDelegate.h" #import "WebHistoryInternal.h" #import "WebHistoryItemInternal.h" #import "WebKitErrorsPrivate.h" #import "WebKitLogging.h" #import "WebKitNSStringExtras.h" #import "WebKitVersionChecks.h" #import "WebNSURLExtras.h" #import "WebNavigationData.h" #import "WebPanelAuthenticationHandler.h" #import "WebPluginController.h" #import "WebPluginPackage.h" #import "WebPluginViewFactoryPrivate.h" #import "WebPolicyDelegate.h" #import "WebPolicyDelegatePrivate.h" #import "WebPreferences.h" #import "WebPreferencesInternal.h" #import "WebResourceLoadDelegate.h" #import "WebResourceLoadDelegatePrivate.h" #import "WebScriptWorldInternal.h" #import "WebSecurityOriginInternal.h" #import "WebUIDelegate.h" #import "WebUIDelegatePrivate.h" #import "WebViewInternal.h" #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #import #if PLATFORM(IOS_FAMILY) #import #import #import #import #import #import "WebMailDelegate.h" #import "WebUIKitDelegate.h" #endif #if USE(QUICK_LOOK) #import #import #import #endif #if HAVE(APP_LINKS) #import #import #endif #if ENABLE(CONTENT_FILTERING) #import #endif #if PLATFORM(IOS_FAMILY) @interface WebHTMLView (Init) - (id)initWithFrame:(CGRect)frame; @end #endif // For backwards compatibility with older WebKit plug-ins. NSString *WebPluginBaseURLKey = @"WebPluginBaseURL"; NSString *WebPluginAttributesKey = @"WebPluginAttributes"; NSString *WebPluginContainerKey = @"WebPluginContainer"; @interface WebFramePolicyListener : NSObject { RefPtr _frame; WebCore::PolicyCheckIdentifier _identifier; WebCore::FramePolicyFunction _policyFunction; #if HAVE(APP_LINKS) RetainPtr _appLinkURL; #endif WebCore::PolicyAction _defaultPolicy; } - (id)initWithFrame:(NakedPtr)frame identifier:(WebCore::PolicyCheckIdentifier)identifier policyFunction:(WebCore::FramePolicyFunction&&)policyFunction defaultPolicy:(WebCore::PolicyAction)defaultPolicy; #if HAVE(APP_LINKS) - (id)initWithFrame:(NakedPtr)frame identifier:(WebCore::PolicyCheckIdentifier)identifier policyFunction:(WebCore::FramePolicyFunction&&)policyFunction defaultPolicy:(WebCore::PolicyAction)defaultPolicy appLinkURL:(NSURL *)url; #endif - (void)invalidate; @end WebDataSource *dataSource(WebCore::DocumentLoader* loader) { return loader ? static_cast(loader)->dataSource() : nil; } WebFrameLoaderClient::WebFrameLoaderClient(WebFrame *webFrame) : m_webFrame(webFrame) { } std::optional WebFrameLoaderClient::pageID() const { return std::nullopt; } std::optional WebFrameLoaderClient::frameID() const { return std::nullopt; } WebFrameLoaderClient::~WebFrameLoaderClient() { [m_webFrame.get() _clearCoreFrame]; } bool WebFrameLoaderClient::hasWebView() const { return [m_webFrame.get() webView] != nil; } void WebFrameLoaderClient::makeRepresentation(WebCore::DocumentLoader* loader) { [dataSource(loader) _makeRepresentation]; } bool WebFrameLoaderClient::hasHTMLView() const { NSView *view = [m_webFrame->_private->webFrameView documentView]; return [view isKindOfClass:[WebHTMLView class]]; } #if PLATFORM(IOS_FAMILY) bool WebFrameLoaderClient::forceLayoutOnRestoreFromBackForwardCache() { NSView *view = [m_webFrame->_private->webFrameView documentView]; // This gets called to lay out a page restored from the back/forward cache. // To work around timing problems with UIKit, restore fixed // layout settings here. WebView* webView = getWebView(m_webFrame.get()); bool isMainFrame = [webView mainFrame] == m_webFrame.get(); auto* coreFrame = core(m_webFrame.get()); if (isMainFrame && coreFrame->view()) { WebCore::IntSize newSize([webView _fixedLayoutSize]); coreFrame->view()->setFixedLayoutSize(newSize); coreFrame->view()->setUseFixedLayout(!newSize.isEmpty()); } [view setNeedsLayout:YES]; [view layout]; return true; } #endif void WebFrameLoaderClient::forceLayoutForNonHTML() { auto thisView = m_webFrame->_private->webFrameView; NSView *thisDocumentView = [thisView documentView]; ASSERT(thisDocumentView != nil); // Tell the just loaded document to layout. This may be necessary // for non-html content that needs a layout message. if (!([[m_webFrame.get() _dataSource] _isDocumentHTML])) { [thisDocumentView setNeedsLayout:YES]; [thisDocumentView layout]; [thisDocumentView setNeedsDisplay:YES]; } } void WebFrameLoaderClient::setCopiesOnScroll() { ALLOW_DEPRECATED_DECLARATIONS_BEGIN [[[m_webFrame->_private->webFrameView _scrollView] contentView] setCopiesOnScroll:YES]; ALLOW_DEPRECATED_DECLARATIONS_END } void WebFrameLoaderClient::detachedFromParent2() { //remove any NetScape plugins that are children of this frame because they are about to be detached WebView *webView = getWebView(m_webFrame.get()); #if !PLATFORM(IOS_FAMILY) [webView removePluginInstanceViewsFor:(m_webFrame.get())]; #endif [m_webFrame->_private->webFrameView _setWebFrame:nil]; // needed for now to be compatible w/ old behavior WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didRemoveFrameFromHierarchyFunc) CallFrameLoadDelegate(implementations->didRemoveFrameFromHierarchyFunc, webView, @selector(webView:didRemoveFrameFromHierarchy:), m_webFrame.get()); } void WebFrameLoaderClient::detachedFromParent3() { m_webFrame->_private->webFrameView = nil; } void WebFrameLoaderClient::convertMainResourceLoadToDownload(WebCore::DocumentLoader* documentLoader, const WebCore::ResourceRequest& request, const WebCore::ResourceResponse& response) { WebView *webView = getWebView(m_webFrame.get()); auto* mainResourceLoader = documentLoader->mainResourceLoader(); if (!mainResourceLoader) { // The resource has already been cached, or the conversion is being attmpted when not calling SubresourceLoader::didReceiveResponse(). ALLOW_DEPRECATED_DECLARATIONS_BEGIN auto webDownload = adoptNS([[WebDownload alloc] initWithRequest:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) delegate:[webView downloadDelegate]]); ALLOW_DEPRECATED_DECLARATIONS_END webDownload.autorelease(); return; } auto* handle = mainResourceLoader->handle(); ALLOW_DEPRECATED_DECLARATIONS_BEGIN [WebDownload _downloadWithLoadingConnection:handle->connection() request:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) response:response.nsURLResponse() delegate:[webView downloadDelegate] proxy:nil]; ALLOW_DEPRECATED_DECLARATIONS_END } bool WebFrameLoaderClient::dispatchDidLoadResourceFromMemoryCache(WebCore::DocumentLoader* loader, const WebCore::ResourceRequest& request, const WebCore::ResourceResponse& response, int length) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidLoadResourceFromMemoryCacheFunc) { CallResourceLoadDelegateInWebThread(implementations->webThreadDidLoadResourceFromMemoryCacheFunc, webView, @selector(webThreadWebView:didLoadResourceFromMemoryCache:response:length:fromDataSource:), request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody), response.nsURLResponse(), length, dataSource(loader)); return true; } #endif if (!implementations->didLoadResourceFromMemoryCacheFunc) return false; CallResourceLoadDelegate(implementations->didLoadResourceFromMemoryCacheFunc, webView, @selector(webView:didLoadResourceFromMemoryCache:response:length:fromDataSource:), request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody), response.nsURLResponse(), length, dataSource(loader)); return true; } void WebFrameLoaderClient::assignIdentifierToInitialRequest(WebCore::ResourceLoaderIdentifier identifier, WebCore::DocumentLoader* loader, const WebCore::ResourceRequest& request) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); RetainPtr object; #if PLATFORM(IOS_FAMILY) if (implementations->webThreadIdentifierForRequestFunc) { object = CallResourceLoadDelegateInWebThread(implementations->webThreadIdentifierForRequestFunc, webView, @selector(webThreadWebView:identifierForInitialRequest:fromDataSource:), request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody), dataSource(loader)); } else #endif if (implementations->identifierForRequestFunc) object = CallResourceLoadDelegate(implementations->identifierForRequestFunc, webView, @selector(webView:identifierForInitialRequest:fromDataSource:), request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody), dataSource(loader)); else object = adoptNS([[NSObject alloc] init]); [webView _addObject:object.get() forIdentifier:identifier]; } void WebFrameLoaderClient::dispatchWillSendRequest(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, WebCore::ResourceRequest& request, const WebCore::ResourceResponse& redirectResponse) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); if (redirectResponse.isNull()) static_cast(loader)->increaseLoadCount(identifier); NSURLRequest *currentURLRequest = request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody); #if PLATFORM(MAC) if (WebCore::MacApplication::isAppleMail() && loader->substituteData().isValid()) { // Mail.app checks for this property to detect data / archive loads. [NSURLProtocol setProperty:@"" forKey:@"WebDataRequest" inRequest:(NSMutableURLRequest *)currentURLRequest]; } #endif NSURLRequest *newURLRequest = currentURLRequest; #if PLATFORM(IOS_FAMILY) if (implementations->webThreadWillSendRequestFunc) { newURLRequest = (NSURLRequest *)CallResourceLoadDelegateInWebThread(implementations->webThreadWillSendRequestFunc, webView, @selector(webThreadWebView:resource:willSendRequest:redirectResponse:fromDataSource:), [webView _objectForIdentifier:identifier], currentURLRequest, redirectResponse.nsURLResponse(), dataSource(loader)); } else #endif if (implementations->willSendRequestFunc) newURLRequest = (NSURLRequest *)CallResourceLoadDelegate(implementations->willSendRequestFunc, webView, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), [webView _objectForIdentifier:identifier], currentURLRequest, redirectResponse.nsURLResponse(), dataSource(loader)); if (newURLRequest != currentURLRequest) request.updateFromDelegatePreservingOldProperties(WebCore::ResourceRequest(newURLRequest)); } bool WebFrameLoaderClient::shouldUseCredentialStorage(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); if (implementations->shouldUseCredentialStorageFunc) { if (id resource = [webView _objectForIdentifier:identifier]) return CallResourceLoadDelegateReturningBoolean(NO, implementations->shouldUseCredentialStorageFunc, webView, @selector(webView:resource:shouldUseCredentialStorageForDataSource:), resource, dataSource(loader)); } return true; } void WebFrameLoaderClient::dispatchDidReceiveAuthenticationChallenge(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, const WebCore::AuthenticationChallenge& challenge) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); NSURLAuthenticationChallenge *webChallenge = mac(challenge); if (implementations->didReceiveAuthenticationChallengeFunc) { if (id resource = [webView _objectForIdentifier:identifier]) { CallResourceLoadDelegate(implementations->didReceiveAuthenticationChallengeFunc, webView, @selector(webView:resource:didReceiveAuthenticationChallenge:fromDataSource:), resource, webChallenge, dataSource(loader)); return; } } #if !PLATFORM(IOS_FAMILY) NSWindow *window = [webView hostWindow] ? [webView hostWindow] : [webView window]; [[WebPanelAuthenticationHandler sharedHandler] startAuthentication:webChallenge window:window]; #endif } #if USE(PROTECTION_SPACE_AUTH_CALLBACK) bool WebFrameLoaderClient::canAuthenticateAgainstProtectionSpace(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, const WebCore::ProtectionSpace& protectionSpace) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); NSURLProtectionSpace *webProtectionSpace = protectionSpace.nsSpace(); if (implementations->canAuthenticateAgainstProtectionSpaceFunc) { if (id resource = [webView _objectForIdentifier:identifier]) { return CallResourceLoadDelegateReturningBoolean(NO, implementations->canAuthenticateAgainstProtectionSpaceFunc, webView, @selector(webView:resource:canAuthenticateAgainstProtectionSpace:forDataSource:), resource, webProtectionSpace, dataSource(loader)); } } // If our resource load delegate doesn't handle the question, then only send authentication // challenges for pre-iOS-3.0, pre-10.6 protection spaces. This is the same as the default implementation // in CFNetwork. return (protectionSpace.authenticationScheme() < WebCore::ProtectionSpace::AuthenticationScheme::ClientCertificateRequested); } #endif #if PLATFORM(IOS_FAMILY) RetainPtr WebFrameLoaderClient::connectionProperties(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier) { WebView *webView = getWebView(m_webFrame.get()); id resource = [webView _objectForIdentifier:identifier]; if (!resource) return nullptr; WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); if (implementations->connectionPropertiesFunc) return (CFDictionaryRef)CallResourceLoadDelegate(implementations->connectionPropertiesFunc, webView, @selector(webView:connectionPropertiesForResource:dataSource:), resource, dataSource(loader)); return nullptr; } #endif bool WebFrameLoaderClient::shouldPaintBrokenImage(const URL& imageURL) const { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); if (implementations->shouldPaintBrokenImageForURLFunc) { NSURL* url = imageURL; return CallResourceLoadDelegateReturningBoolean(YES, implementations->shouldPaintBrokenImageForURLFunc, webView, @selector(webView:shouldPaintBrokenImageForURL:), url); } return true; } void WebFrameLoaderClient::dispatchDidReceiveResponse(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, const WebCore::ResourceResponse& response) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidReceiveResponseFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegateInWebThread(implementations->webThreadDidReceiveResponseFunc, webView, @selector(webThreadWebView:resource:didReceiveResponse:fromDataSource:), resource, response.nsURLResponse(), dataSource(loader)); } else #endif if (implementations->didReceiveResponseFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegate(implementations->didReceiveResponseFunc, webView, @selector(webView:resource:didReceiveResponse:fromDataSource:), resource, response.nsURLResponse(), dataSource(loader)); } } void WebFrameLoaderClient::willCacheResponse(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, NSCachedURLResponse* response, CompletionHandler&& completionHandler) const { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadWillCacheResponseFunc) { if (id resource = [webView _objectForIdentifier:identifier]) return completionHandler(CallResourceLoadDelegateInWebThread(implementations->webThreadWillCacheResponseFunc, webView, @selector(webThreadWebView:resource:willCacheResponse:fromDataSource:), resource, response, dataSource(loader))); } else #endif if (implementations->willCacheResponseFunc) { if (id resource = [webView _objectForIdentifier:identifier]) return completionHandler(CallResourceLoadDelegate(implementations->willCacheResponseFunc, webView, @selector(webView:resource:willCacheResponse:fromDataSource:), resource, response, dataSource(loader))); } completionHandler(response); } void WebFrameLoaderClient::dispatchDidReceiveContentLength(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, int dataLength) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidReceiveContentLengthFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegateInWebThread(implementations->webThreadDidReceiveContentLengthFunc, webView, @selector(webThreadWebView:resource:didReceiveContentLength:fromDataSource:), resource, (NSInteger)dataLength, dataSource(loader)); } else #endif if (implementations->didReceiveContentLengthFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegate(implementations->didReceiveContentLengthFunc, webView, @selector(webView:resource:didReceiveContentLength:fromDataSource:), resource, (NSInteger)dataLength, dataSource(loader)); } } #if ENABLE(DATA_DETECTION) void WebFrameLoaderClient::dispatchDidFinishDataDetection(NSArray *) { } #endif void WebFrameLoaderClient::dispatchDidFinishLoading(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidFinishLoadingFromDataSourceFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegateInWebThread(implementations->webThreadDidFinishLoadingFromDataSourceFunc, webView, @selector(webThreadWebView:resource:didFinishLoadingFromDataSource:), resource, dataSource(loader)); } else #endif if (implementations->didFinishLoadingFromDataSourceFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegate(implementations->didFinishLoadingFromDataSourceFunc, webView, @selector(webView:resource:didFinishLoadingFromDataSource:), resource, dataSource(loader)); } [webView _removeObjectForIdentifier:identifier]; static_cast(loader)->decreaseLoadCount(identifier); } void WebFrameLoaderClient::dispatchDidFailLoading(WebCore::DocumentLoader* loader, WebCore::ResourceLoaderIdentifier identifier, const WebCore::ResourceError& error) { WebView *webView = getWebView(m_webFrame.get()); WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidFailLoadingWithErrorFromDataSourceFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegateInWebThread(implementations->webThreadDidFailLoadingWithErrorFromDataSourceFunc, webView, @selector(webThreadWebView:resource:didFailLoadingWithError:fromDataSource:), resource, (NSError *)error, dataSource(loader)); } else #endif if (implementations->didFailLoadingWithErrorFromDataSourceFunc) { if (id resource = [webView _objectForIdentifier:identifier]) CallResourceLoadDelegate(implementations->didFailLoadingWithErrorFromDataSourceFunc, webView, @selector(webView:resource:didFailLoadingWithError:fromDataSource:), resource, (NSError *)error, dataSource(loader)); } [webView _removeObjectForIdentifier:identifier]; static_cast(loader)->decreaseLoadCount(identifier); } void WebFrameLoaderClient::dispatchDidDispatchOnloadEvents() { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didHandleOnloadEventsForFrameFunc) CallFrameLoadDelegate(implementations->didHandleOnloadEventsForFrameFunc, webView, @selector(webView:didHandleOnloadEventsForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidReceiveServerRedirectForProvisionalLoad() { m_webFrame->_private->provisionalURL = core(m_webFrame.get())->loader().provisionalDocumentLoader()->url().string(); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didReceiveServerRedirectForProvisionalLoadForFrameFunc) CallFrameLoadDelegate(implementations->didReceiveServerRedirectForProvisionalLoadForFrameFunc, webView, @selector(webView:didReceiveServerRedirectForProvisionalLoadForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidCancelClientRedirect() { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didCancelClientRedirectForFrameFunc) CallFrameLoadDelegate(implementations->didCancelClientRedirectForFrameFunc, webView, @selector(webView:didCancelClientRedirectForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchWillPerformClientRedirect(const URL& url, double delay, WallTime fireDate, WebCore::LockBackForwardList) { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->willPerformClientRedirectToURLDelayFireDateForFrameFunc) { NSURL *cocoaURL = url; CallFrameLoadDelegate(implementations->willPerformClientRedirectToURLDelayFireDateForFrameFunc, webView, @selector(webView:willPerformClientRedirectToURL:delay:fireDate:forFrame:), cocoaURL, delay, [NSDate dateWithTimeIntervalSince1970:fireDate.secondsSinceEpoch().seconds()], m_webFrame.get()); } } void WebFrameLoaderClient::dispatchDidChangeLocationWithinPage() { m_webFrame->_private->url = core(m_webFrame.get())->document()->url().string(); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didChangeLocationWithinPageForFrameFunc) CallFrameLoadDelegate(implementations->didChangeLocationWithinPageForFrameFunc, webView, @selector(webView:didChangeLocationWithinPageForFrame:), m_webFrame.get()); #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView didChangeLocationWithinPageForFrame:m_webFrame.get()]; #endif } void WebFrameLoaderClient::dispatchDidPushStateWithinPage() { m_webFrame->_private->url = core(m_webFrame.get())->document()->url().string(); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didPushStateWithinPageForFrameFunc) CallFrameLoadDelegate(implementations->didPushStateWithinPageForFrameFunc, webView, @selector(webView:didPushStateWithinPageForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidReplaceStateWithinPage() { m_webFrame->_private->url = core(m_webFrame.get())->document()->url().string(); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didReplaceStateWithinPageForFrameFunc) CallFrameLoadDelegate(implementations->didReplaceStateWithinPageForFrameFunc, webView, @selector(webView:didReplaceStateWithinPageForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidPopStateWithinPage() { m_webFrame->_private->url = core(m_webFrame.get())->document()->url().string(); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didPopStateWithinPageForFrameFunc) CallFrameLoadDelegate(implementations->didPopStateWithinPageForFrameFunc, webView, @selector(webView:didPopStateWithinPageForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchWillClose() { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->willCloseFrameFunc) CallFrameLoadDelegate(implementations->willCloseFrameFunc, webView, @selector(webView:willCloseFrame:), m_webFrame.get()); #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView willCloseFrame:m_webFrame.get()]; #endif } void WebFrameLoaderClient::dispatchDidStartProvisionalLoad() { ASSERT(!m_webFrame->_private->provisionalURL); m_webFrame->_private->provisionalURL = core(m_webFrame.get())->loader().provisionalDocumentLoader()->url().string(); WebView *webView = getWebView(m_webFrame.get()); #if !PLATFORM(IOS_FAMILY) [webView _didStartProvisionalLoadForFrame:m_webFrame.get()]; #endif #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView didStartProvisionalLoadForFrame:m_webFrame.get()]; #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didStartProvisionalLoadForFrameFunc) CallFrameLoadDelegate(implementations->didStartProvisionalLoadForFrameFunc, webView, @selector(webView:didStartProvisionalLoadForFrame:), m_webFrame.get()); } static constexpr unsigned maxTitleLength = 1000; // Closest power of 10 above the W3C recommendation for Title length. void WebFrameLoaderClient::dispatchDidReceiveTitle(const WebCore::StringWithDirection& title) { auto truncatedTitle = truncateFromEnd(title, maxTitleLength); WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didReceiveTitleForFrameFunc) { // FIXME: Use direction of title. CallFrameLoadDelegate(implementations->didReceiveTitleForFrameFunc, webView, @selector(webView:didReceiveTitle:forFrame:), (NSString *)truncatedTitle.string, m_webFrame.get()); } } void WebFrameLoaderClient::dispatchDidCommitLoad(std::optional, std::optional) { // Tell the client we've committed this URL. ASSERT([m_webFrame->_private->webFrameView documentView] != nil); WebView *webView = getWebView(m_webFrame.get()); [webView _didCommitLoadForFrame:m_webFrame.get()]; m_webFrame->_private->url = m_webFrame->_private->provisionalURL; m_webFrame->_private->provisionalURL = nullptr; #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView didCommitLoadForFrame:m_webFrame.get()]; #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didCommitLoadForFrameFunc) CallFrameLoadDelegate(implementations->didCommitLoadForFrameFunc, webView, @selector(webView:didCommitLoadForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidFailProvisionalLoad(const WebCore::ResourceError& error, WebCore::WillContinueLoading) { m_webFrame->_private->provisionalURL = nullptr; WebView *webView = getWebView(m_webFrame.get()); #if !PLATFORM(IOS_FAMILY) [webView _didFailProvisionalLoadWithError:error forFrame:m_webFrame.get()]; #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didFailProvisionalLoadWithErrorForFrameFunc) CallFrameLoadDelegate(implementations->didFailProvisionalLoadWithErrorForFrameFunc, webView, @selector(webView:didFailProvisionalLoadWithError:forFrame:), (NSError *)error, m_webFrame.get()); [m_webFrame->_private->internalLoadDelegate webFrame:m_webFrame.get() didFinishLoadWithError:error]; } void WebFrameLoaderClient::dispatchDidFailLoad(const WebCore::ResourceError& error) { ASSERT(!m_webFrame->_private->provisionalURL); WebView *webView = getWebView(m_webFrame.get()); #if !PLATFORM(IOS_FAMILY) [webView _didFailLoadWithError:error forFrame:m_webFrame.get()]; #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didFailLoadWithErrorForFrameFunc) CallFrameLoadDelegate(implementations->didFailLoadWithErrorForFrameFunc, webView, @selector(webView:didFailLoadWithError:forFrame:), (NSError *)error, m_webFrame.get()); #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView didFailLoadWithError:((NSError *)error) forFrame:m_webFrame.get()]; #endif [m_webFrame->_private->internalLoadDelegate webFrame:m_webFrame.get() didFinishLoadWithError:error]; } void WebFrameLoaderClient::dispatchDidFinishDocumentLoad() { WebView *webView = getWebView(m_webFrame.get()); #if PLATFORM(IOS_FAMILY) id webThreadDel = [webView _webMailDelegate]; if ([webThreadDel respondsToSelector:@selector(_webthread_webView:didFinishDocumentLoadForFrame:)]) { [webThreadDel _webthread_webView:webView didFinishDocumentLoadForFrame:m_webFrame.get()]; } #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didFinishDocumentLoadForFrameFunc) CallFrameLoadDelegate(implementations->didFinishDocumentLoadForFrameFunc, webView, @selector(webView:didFinishDocumentLoadForFrame:), m_webFrame.get()); } void WebFrameLoaderClient::dispatchDidFinishLoad() { ASSERT(!m_webFrame->_private->provisionalURL); WebView *webView = getWebView(m_webFrame.get()); #if !PLATFORM(IOS_FAMILY) [webView _didFinishLoadForFrame:m_webFrame.get()]; #else [[webView _UIKitDelegateForwarder] webView:webView didFinishLoadForFrame:m_webFrame.get()]; id webThreadDel = [webView _webMailDelegate]; if ([webThreadDel respondsToSelector:@selector(_webthread_webView:didFinishLoadForFrame:)]) { [webThreadDel _webthread_webView:webView didFinishLoadForFrame:m_webFrame.get()]; } #endif WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didFinishLoadForFrameFunc) CallFrameLoadDelegate(implementations->didFinishLoadForFrameFunc, webView, @selector(webView:didFinishLoadForFrame:), m_webFrame.get()); [m_webFrame->_private->internalLoadDelegate webFrame:m_webFrame.get() didFinishLoadWithError:nil]; } void WebFrameLoaderClient::dispatchDidReachLayoutMilestone(OptionSet milestones) { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); #if PLATFORM(IOS_FAMILY) if (implementations->webThreadDidLayoutFunc) CallFrameLoadDelegateInWebThread(implementations->webThreadDidLayoutFunc, webView, @selector(webThreadWebView:didLayout:), kitLayoutMilestones(milestones)); #else if (implementations->didLayoutFunc) CallFrameLoadDelegate(implementations->didLayoutFunc, webView, @selector(webView:didLayout:), kitLayoutMilestones(milestones)); #endif if (milestones & WebCore::DidFirstLayout) { // FIXME: We should consider removing the old didFirstLayout API since this is doing double duty with the // new didLayout API. if (implementations->didFirstLayoutInFrameFunc) CallFrameLoadDelegate(implementations->didFirstLayoutInFrameFunc, webView, @selector(webView:didFirstLayoutInFrame:), m_webFrame.get()); #if PLATFORM(IOS_FAMILY) [[webView _UIKitDelegateForwarder] webView:webView didFirstLayoutInFrame:m_webFrame.get()]; #endif // See WebFrameLoaderClient::provisionalLoadStarted. WebDynamicScrollBarsView *scrollView = [m_webFrame->_private->webFrameView _scrollView]; if ([getWebView(m_webFrame.get()) drawsBackground]) [scrollView setDrawsBackground:YES]; #if !PLATFORM(IOS_FAMILY) [scrollView setVerticalScrollElasticity:NSScrollElasticityAutomatic]; [scrollView setHorizontalScrollElasticity:NSScrollElasticityAutomatic]; #endif } if (milestones & WebCore::DidFirstVisuallyNonEmptyLayout) { // FIXME: We should consider removing the old didFirstVisuallyNonEmptyLayoutForFrame API since this is doing // double duty with the new didLayout API. if (implementations->didFirstVisuallyNonEmptyLayoutInFrameFunc) CallFrameLoadDelegate(implementations->didFirstVisuallyNonEmptyLayoutInFrameFunc, webView, @selector(webView:didFirstVisuallyNonEmptyLayoutInFrame:), m_webFrame.get()); #if PLATFORM(IOS_FAMILY) if ([webView mainFrame] == m_webFrame.get()) [[webView _UIKitDelegateForwarder] webView:webView didFirstVisuallyNonEmptyLayoutInFrame:m_webFrame.get()]; #endif } } WebCore::Frame* WebFrameLoaderClient::dispatchCreatePage(const WebCore::NavigationAction&, WebCore::NewFrameOpenerPolicy) { WebView *currentWebView = getWebView(m_webFrame.get()); auto features = adoptNS([[NSDictionary alloc] init]); WebView *newWebView = [[currentWebView _UIDelegateForwarder] webView:currentWebView createWebViewWithRequest:nil windowFeatures:features.get()]; return core([newWebView mainFrame]); } void WebFrameLoaderClient::dispatchShow() { WebView *webView = getWebView(m_webFrame.get()); [[webView _UIDelegateForwarder] webViewShow:webView]; } void WebFrameLoaderClient::dispatchDecidePolicyForResponse(const WebCore::ResourceResponse& response, const WebCore::ResourceRequest& request, WebCore::PolicyCheckIdentifier identifier, const String&, WebCore::FramePolicyFunction&& function) { WebView *webView = getWebView(m_webFrame.get()); [[webView _policyDelegateForwarder] webView:webView decidePolicyForMIMEType:response.mimeType() request:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) frame:m_webFrame.get() decisionListener:setUpPolicyListener(identifier, WTFMove(function), WebCore::PolicyAction::Use).get()]; } static BOOL shouldTryAppLink(WebView *webView, const WebCore::NavigationAction& action, WebCore::Frame* targetFrame) { #if HAVE(APP_LINKS) BOOL mainFrameNavigation = !targetFrame || targetFrame->isMainFrame(); if (!mainFrameNavigation) return NO; if (!action.processingUserGesture()) return NO; if (targetFrame && targetFrame->document() && targetFrame->document()->url().host() == action.url().host()) return NO; return YES; #else return NO; #endif } void WebFrameLoaderClient::dispatchDecidePolicyForNewWindowAction(const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, WebCore::FormState* formState, const String& frameName, WebCore::PolicyCheckIdentifier identifier, WebCore::FramePolicyFunction&& function) { WebView *webView = getWebView(m_webFrame.get()); BOOL tryAppLink = shouldTryAppLink(webView, action, nullptr); [[webView _policyDelegateForwarder] webView:webView decidePolicyForNewWindowAction:actionDictionary(action, formState) request:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) newFrameName:frameName decisionListener:setUpPolicyListener(identifier, WTFMove(function), WebCore::PolicyAction::Ignore, tryAppLink ? (NSURL *)request.url() : nil).get()]; } void WebFrameLoaderClient::dispatchDecidePolicyForNavigationAction(const WebCore::NavigationAction& action, const WebCore::ResourceRequest& request, const WebCore::ResourceResponse&, WebCore::FormState* formState, WebCore::PolicyDecisionMode, WebCore::PolicyCheckIdentifier identifier, WebCore::FramePolicyFunction&& function) { WebView *webView = getWebView(m_webFrame.get()); BOOL tryAppLink = shouldTryAppLink(webView, action, core(m_webFrame.get())); [[webView _policyDelegateForwarder] webView:webView decidePolicyForNavigationAction:actionDictionary(action, formState) request:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) frame:m_webFrame.get() decisionListener:setUpPolicyListener(identifier, WTFMove(function), WebCore::PolicyAction::Ignore, tryAppLink ? (NSURL *)request.url() : nil).get()]; } void WebFrameLoaderClient::cancelPolicyCheck() { if (!m_policyListener) return; [m_policyListener invalidate]; m_policyListener = nil; } void WebFrameLoaderClient::dispatchUnableToImplementPolicy(const WebCore::ResourceError& error) { WebView *webView = getWebView(m_webFrame.get()); [[webView _policyDelegateForwarder] webView:webView unableToImplementPolicyWithError:error frame:m_webFrame.get()]; } static NSDictionary *makeFormFieldValuesDictionary(WebCore::FormState& formState) { auto& textFieldValues = formState.textFieldValues(); size_t size = textFieldValues.size(); auto dictionary = adoptNS([[NSMutableDictionary alloc] initWithCapacity:size]); for (auto& value : textFieldValues) [dictionary setObject:value.second forKey:value.first]; return dictionary.autorelease(); } void WebFrameLoaderClient::dispatchWillSendSubmitEvent(Ref&& formState) { id formDelegate = [getWebView(m_webFrame.get()) _formDelegate]; if (!formDelegate) return; DOMHTMLFormElement *formElement = kit(&formState->form()); NSDictionary *values = makeFormFieldValuesDictionary(formState.get()); CallFormDelegate(getWebView(m_webFrame.get()), @selector(willSendSubmitEventToForm:inFrame:withValues:), formElement, m_webFrame.get(), values); } void WebFrameLoaderClient::dispatchWillSubmitForm(WebCore::FormState& formState, CompletionHandler&& completionHandler) { id formDelegate = [getWebView(m_webFrame.get()) _formDelegate]; if (!formDelegate) { completionHandler(); return; } NSDictionary *values = makeFormFieldValuesDictionary(formState); CallFormDelegate(getWebView(m_webFrame.get()), @selector(frame:sourceFrame:willSubmitForm:withValues:submissionListener:), m_webFrame.get(), kit(formState.sourceDocument().frame()), kit(&formState.form()), values, setUpPolicyListener(WebCore::PolicyCheckIdentifier { }, [completionHandler = WTFMove(completionHandler)](WebCore::PolicyAction, WebCore::PolicyCheckIdentifier) mutable { completionHandler(); }, WebCore::PolicyAction::Ignore).get()); } void WebFrameLoaderClient::revertToProvisionalState(WebCore::DocumentLoader* loader) { [dataSource(loader) _revertToProvisionalState]; } void WebFrameLoaderClient::setMainDocumentError(WebCore::DocumentLoader* loader, const WebCore::ResourceError& error) { [dataSource(loader) _setMainDocumentError:error]; } void WebFrameLoaderClient::setMainFrameDocumentReady(bool ready) { [getWebView(m_webFrame.get()) setMainFrameDocumentReady:ready]; } void WebFrameLoaderClient::startDownload(const WebCore::ResourceRequest& request, const String& /* suggestedName */) { // FIXME: Should download full request. [getWebView(m_webFrame.get()) _downloadURL:request.url()]; } void WebFrameLoaderClient::willChangeTitle(WebCore::DocumentLoader* loader) { #if !PLATFORM(IOS_FAMILY) // FIXME: Should do this only in main frame case, right? [getWebView(m_webFrame.get()) _willChangeValueForKey:_WebMainFrameTitleKey]; #endif } void WebFrameLoaderClient::didChangeTitle(WebCore::DocumentLoader* loader) { #if !PLATFORM(IOS_FAMILY) // FIXME: Should do this only in main frame case, right? [getWebView(m_webFrame.get()) _didChangeValueForKey:_WebMainFrameTitleKey]; #endif } void WebFrameLoaderClient::didReplaceMultipartContent() { #if PLATFORM(IOS_FAMILY) if (WebCore::FrameView *view = core(m_webFrame.get())->view()) view->didReplaceMultipartContent(); #endif } void WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader* loader, const WebCore::SharedBuffer& data) { [dataSource(loader) _receivedData:data.createNSData().get()]; } void WebFrameLoaderClient::finishedLoading(WebCore::DocumentLoader* loader) { [dataSource(loader) _finishedLoading]; } static inline NSString *nilOrNSString(const String& string) { if (string.isNull()) return nil; return string; } void WebFrameLoaderClient::updateGlobalHistory() { WebView* view = getWebView(m_webFrame.get()); auto* loader = core(m_webFrame.get())->loader().documentLoader(); #if PLATFORM(IOS_FAMILY) if (loader->urlForHistory() == aboutBlankURL()) return; #endif if ([view historyDelegate]) { WebHistoryDelegateImplementationCache* implementations = WebViewGetHistoryDelegateImplementations(view); if (implementations->navigatedFunc) { auto data = adoptNS([[WebNavigationData alloc] initWithURLString:loader->url().string() title:nilOrNSString(loader->title().string) originalRequest:loader->originalRequestCopy().nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) response:loader->response().nsURLResponse() hasSubstituteData:loader->substituteData().isValid() clientRedirectSource:loader->clientRedirectSourceForHistory()]); CallHistoryDelegate(implementations->navigatedFunc, view, @selector(webView:didNavigateWithNavigationData:inFrame:), data.get(), m_webFrame.get()); } return; } [[WebHistory optionalSharedHistory] _visitedURL:loader->urlForHistory() withTitle:loader->title().string method:loader->originalRequestCopy().httpMethod() wasFailure:loader->urlForHistoryReflectsFailure()]; } static void addRedirectURL(WebHistoryItem *item, const String& url) { if (!item->_private->_redirectURLs) item->_private->_redirectURLs = makeUnique>(); // Our API allows us to store all the URLs in the redirect chain, but for // now we only have a use for the final URL. item->_private->_redirectURLs->resize(1); item->_private->_redirectURLs->at(0) = url; } void WebFrameLoaderClient::updateGlobalHistoryRedirectLinks() { WebView* view = getWebView(m_webFrame.get()); WebHistoryDelegateImplementationCache* implementations = [view historyDelegate] ? WebViewGetHistoryDelegateImplementations(view) : 0; auto* loader = core(m_webFrame.get())->loader().documentLoader(); ASSERT(loader->unreachableURL().isEmpty()); if (!loader->clientRedirectSourceForHistory().isNull()) { if (implementations) { if (implementations->clientRedirectFunc) { CallHistoryDelegate(implementations->clientRedirectFunc, view, @selector(webView:didPerformClientRedirectFromURL:toURL:inFrame:), m_webFrame->_private->url.get(), loader->clientRedirectDestinationForHistory(), m_webFrame.get()); } } else if (WebHistoryItem *item = [[WebHistory optionalSharedHistory] _itemForURLString:loader->clientRedirectSourceForHistory()]) addRedirectURL(item, loader->clientRedirectDestinationForHistory()); } if (!loader->serverRedirectSourceForHistory().isNull()) { if (implementations) { if (implementations->serverRedirectFunc) { CallHistoryDelegate(implementations->serverRedirectFunc, view, @selector(webView:didPerformServerRedirectFromURL:toURL:inFrame:), loader->serverRedirectSourceForHistory(), loader->serverRedirectDestinationForHistory(), m_webFrame.get()); } } else if (WebHistoryItem *item = [[WebHistory optionalSharedHistory] _itemForURLString:loader->serverRedirectSourceForHistory()]) addRedirectURL(item, loader->serverRedirectDestinationForHistory()); } } bool WebFrameLoaderClient::shouldGoToHistoryItem(WebCore::HistoryItem& item) const { WebView* view = getWebView(m_webFrame.get()); return [[view _policyDelegateForwarder] webView:view shouldGoToHistoryItem:kit(&item)]; } void WebFrameLoaderClient::didDisplayInsecureContent() { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didDisplayInsecureContentFunc) CallFrameLoadDelegate(implementations->didDisplayInsecureContentFunc, webView, @selector(webViewDidDisplayInsecureContent:)); } void WebFrameLoaderClient::didRunInsecureContent(WebCore::SecurityOrigin& origin, const URL& insecureURL) { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didRunInsecureContentFunc) { RetainPtr webSecurityOrigin = adoptNS([[WebSecurityOrigin alloc] _initWithWebCoreSecurityOrigin:&origin]); CallFrameLoadDelegate(implementations->didRunInsecureContentFunc, webView, @selector(webView:didRunInsecureContent:), webSecurityOrigin.get()); } } void WebFrameLoaderClient::didDetectXSS(const URL& insecureURL, bool didBlockEntirePage) { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didDetectXSSFunc) { // FIXME: must pass didBlockEntirePage if we want to do more on mac than just pass tests. NSURL* insecureNSURL = insecureURL; CallFrameLoadDelegate(implementations->didDetectXSSFunc, webView, @selector(webView:didDetectXSS:), insecureNSURL); } } WebCore::ResourceError WebFrameLoaderClient::cancelledError(const WebCore::ResourceRequest& request) const { return [NSError _webKitErrorWithDomain:NSURLErrorDomain code:NSURLErrorCancelled URL:request.url()]; } WebCore::ResourceError WebFrameLoaderClient::blockedError(const WebCore::ResourceRequest& request) const { return [NSError _webKitErrorWithDomain:WebKitErrorDomain code:WebKitErrorCannotUseRestrictedPort URL:request.url()]; } WebCore::ResourceError WebFrameLoaderClient::blockedByContentBlockerError(const WebCore::ResourceRequest& request) const { RELEASE_ASSERT_NOT_REACHED(); // Content blockers are not enabled in WebKit1. } WebCore::ResourceError WebFrameLoaderClient::cannotShowURLError(const WebCore::ResourceRequest& request) const { return [NSError _webKitErrorWithDomain:WebKitErrorDomain code:WebKitErrorCannotShowURL URL:request.url()]; } WebCore::ResourceError WebFrameLoaderClient::interruptedForPolicyChangeError(const WebCore::ResourceRequest& request) const { return [NSError _webKitErrorWithDomain:WebKitErrorDomain code:WebKitErrorFrameLoadInterruptedByPolicyChange URL:request.url()]; } #if ENABLE(CONTENT_FILTERING) WebCore::ResourceError WebFrameLoaderClient::blockedByContentFilterError(const WebCore::ResourceRequest& request) const { return [NSError _webKitErrorWithDomain:WebKitErrorDomain code:WebKitErrorFrameLoadBlockedByContentFilter URL:request.url()]; } #endif WebCore::ResourceError WebFrameLoaderClient::cannotShowMIMETypeError(const WebCore::ResourceResponse& response) const { return [NSError _webKitErrorWithDomain:NSURLErrorDomain code:WebKitErrorCannotShowMIMEType URL:response.url()]; } WebCore::ResourceError WebFrameLoaderClient::fileDoesNotExistError(const WebCore::ResourceResponse& response) const { return [NSError _webKitErrorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist URL:response.url()]; } WebCore::ResourceError WebFrameLoaderClient::pluginWillHandleLoadError(const WebCore::ResourceResponse& response) const { return adoptNS([[NSError alloc] _initWithPluginErrorCode:WebKitErrorPlugInWillHandleLoad contentURL:response.url() pluginPageURL:nil pluginName:nil MIMEType:response.mimeType()]).autorelease(); } bool WebFrameLoaderClient::shouldFallBack(const WebCore::ResourceError& error) const { // FIXME: Needs to check domain. // FIXME: WebKitErrorPlugInWillHandleLoad is a workaround for the cancel we do to prevent // loading plugin content twice. See return error.errorCode() != NSURLErrorCancelled && error.errorCode() != WebKitErrorPlugInWillHandleLoad; } bool WebFrameLoaderClient::canHandleRequest(const WebCore::ResourceRequest& request) const { return [WebView _canHandleRequest:request.nsURLRequest(WebCore::HTTPBodyUpdatePolicy::UpdateHTTPBody) forMainFrame:core(m_webFrame.get())->isMainFrame()]; } bool WebFrameLoaderClient::canShowMIMEType(const String& MIMEType) const { return [getWebView(m_webFrame.get()) _canShowMIMEType:MIMEType]; } bool WebFrameLoaderClient::canShowMIMETypeAsHTML(const String& MIMEType) const { return [WebView canShowMIMETypeAsHTML:MIMEType]; } bool WebFrameLoaderClient::representationExistsForURLScheme(StringView URLScheme) const { return [WebView _representationExistsForURLScheme:URLScheme.createNSString().get()]; } String WebFrameLoaderClient::generatedMIMETypeForURLScheme(StringView URLScheme) const { return [WebView _generatedMIMETypeForURLScheme:URLScheme.createNSString().get()]; } void WebFrameLoaderClient::frameLoadCompleted() { // Note: Can be called multiple times. // See WebFrameLoaderClient::provisionalLoadStarted. if ([getWebView(m_webFrame.get()) drawsBackground]) [[m_webFrame->_private->webFrameView _scrollView] setDrawsBackground:YES]; } void WebFrameLoaderClient::saveViewStateToItem(WebCore::HistoryItem& item) { #if PLATFORM(IOS_FAMILY) // Let UIKit handle the scroll point for the main frame. WebFrame *webFrame = m_webFrame.get(); WebView *webView = getWebView(webFrame); if (webFrame == [webView mainFrame]) { [[webView _UIKitDelegateForwarder] webView:webView saveStateToHistoryItem:kit(&item) forFrame:webFrame]; return; } #endif NSView *docView = [m_webFrame->_private->webFrameView documentView]; // we might already be detached when this is called from detachFromParent, in which // case we don't want to override real data earlier gathered with (0,0) if ([docView superview] && [docView conformsToProtocol:@protocol(_WebDocumentViewState)]) item.setViewState([(id <_WebDocumentViewState>)docView viewState]); } void WebFrameLoaderClient::restoreViewState() { WebCore::HistoryItem* currentItem = core(m_webFrame.get())->loader().history().currentItem(); ASSERT(currentItem); // FIXME: As the ASSERT attests, it seems we should always have a currentItem here. // One counterexample is // For now, to cover this issue in release builds, there is no technical harm to returning // early and from a user standpoint - as in the above radar - the previous page load failed // so there *is* no scroll state to restore! if (!currentItem) return; #if PLATFORM(IOS_FAMILY) // Let UIKit handle the scroll point for the main frame. WebFrame *webFrame = m_webFrame.get(); WebView *webView = getWebView(webFrame); if (webFrame == [webView mainFrame]) { [[webView _UIKitDelegateForwarder] webView:webView restoreStateFromHistoryItem:kit(currentItem) forFrame:webFrame force:NO]; return; } #endif NSView *docView = [m_webFrame->_private->webFrameView documentView]; if ([docView conformsToProtocol:@protocol(_WebDocumentViewState)]) { id state = currentItem->viewState(); if (state) { [(id <_WebDocumentViewState>)docView setViewState:state]; } } } void WebFrameLoaderClient::provisionalLoadStarted() { // Tell the scroll view not to draw a background so we can leave the contents of // the old page showing during the beginning of the loading process. // This will stay set to NO until: // 1) The load gets far enough along: WebFrameLoader::frameLoadCompleted. // 2) The window is resized: -[WebFrameView setFrameSize:]. // or 3) The view is moved out of the window: -[WebFrameView viewDidMoveToWindow]. // Please keep the comments in these four functions in agreement with each other. WebDynamicScrollBarsView *scrollView = [m_webFrame->_private->webFrameView _scrollView]; [scrollView setDrawsBackground:NO]; #if !PLATFORM(IOS_FAMILY) [scrollView setVerticalScrollElasticity:NSScrollElasticityNone]; [scrollView setHorizontalScrollElasticity:NSScrollElasticityNone]; #endif } void WebFrameLoaderClient::didFinishLoad() { [m_webFrame->_private->internalLoadDelegate webFrame:m_webFrame.get() didFinishLoadWithError:nil]; } void WebFrameLoaderClient::prepareForDataSourceReplacement() { if (![m_webFrame.get() _dataSource]) { ASSERT(!core(m_webFrame.get())->tree().childCount()); return; } #if !PLATFORM(IOS_FAMILY) // Make sure that any work that is triggered by resigning first reponder can get done. // The main example where this came up is the textDidEndEditing that is sent to the // FormsDelegate (3223413). We need to do this before _detachChildren, since that will // remove the views as a side-effect of freeing the frame, at which point we can't // post the FormDelegate messages. // // Note that this can also take FirstResponder away from a child of our frameView that // is not in a child frame's view. This is OK because we are in the process // of loading new content, which will blow away all editors in this top frame, and if // a non-editor is firstReponder it will not be affected by endEditingFor:. // Potentially one day someone could write a DocView whose editors were not all // replaced by loading new content, but that does not apply currently. auto frameView = m_webFrame->_private->webFrameView; NSWindow *window = [frameView window]; NSResponder *firstResp = [window firstResponder]; if ([firstResp isKindOfClass:[NSView class]] && [(NSView *)firstResp isDescendantOf:frameView.get()]) [window endEditingFor:firstResp]; #endif } Ref WebFrameLoaderClient::createDocumentLoader(const WebCore::ResourceRequest& request, const WebCore::SubstituteData& substituteData) { auto loader = WebDocumentLoaderMac::create(request, substituteData); auto dataSource = adoptNS([[WebDataSource alloc] _initWithDocumentLoader:loader.copyRef()]); loader->setDataSource(dataSource.get(), getWebView(m_webFrame.get())); return WTFMove(loader); } void WebFrameLoaderClient::setTitle(const WebCore::StringWithDirection& title, const URL& url) { WebView* view = getWebView(m_webFrame.get()); if ([view historyDelegate]) { WebHistoryDelegateImplementationCache* implementations = WebViewGetHistoryDelegateImplementations(view); // FIXME: Use direction of title. if (implementations->setTitleFunc) CallHistoryDelegate(implementations->setTitleFunc, view, @selector(webView:updateHistoryTitle:forURL:inFrame:), (NSString *)title.string, (NSString *)url.string(), m_webFrame.get()); else if (implementations->deprecatedSetTitleFunc) { IGNORE_WARNINGS_BEGIN("undeclared-selector") CallHistoryDelegate(implementations->deprecatedSetTitleFunc, view, @selector(webView:updateHistoryTitle:forURL:), (NSString *)title.string, (NSString *)url.string()); IGNORE_WARNINGS_END } return; } NSURL* nsURL = url; nsURL = [nsURL _webkit_canonicalize]; if(!nsURL) return; #if PLATFORM(IOS_FAMILY) if ([[nsURL absoluteString] isEqualToString:@"about:blank"]) return; #endif [[[WebHistory optionalSharedHistory] itemForURL:nsURL] setTitle:title.string]; } void WebFrameLoaderClient::savePlatformDataToCachedFrame(WebCore::CachedFrame* cachedFrame) { cachedFrame->setCachedFramePlatformData(makeUnique([m_webFrame->_private->webFrameView documentView])); #if PLATFORM(IOS_FAMILY) // At this point we know this frame is going to be cached. Stop all plugins. WebView *webView = getWebView(m_webFrame.get()); [webView _stopAllPlugInsForPageCache]; #endif } void WebFrameLoaderClient::transitionToCommittedFromCachedFrame(WebCore::CachedFrame* cachedFrame) { WebCachedFramePlatformData* platformData = static_cast(cachedFrame->cachedFramePlatformData()); NSView *cachedView = platformData->webDocumentView(); ASSERT(cachedView != nil); ASSERT(cachedFrame->documentLoader()); [cachedView setDataSource:dataSource(cachedFrame->documentLoader())]; #if !PLATFORM(IOS_FAMILY) // clean up webkit plugin instances before WebHTMLView gets freed. WebView *webView = getWebView(m_webFrame.get()); [webView removePluginInstanceViewsFor:(m_webFrame.get())]; #endif [m_webFrame->_private->webFrameView _setDocumentView:cachedView]; } #if PLATFORM(IOS_FAMILY) void WebFrameLoaderClient::didRestoreFrameHierarchyForCachedFrame() { // When entering the PageCache the Document is detached and the plugin view may // have cleaned itself up (removing its webview and layer references). Now, when // restoring the page we want to recreate whatever is necessary. WebView *webView = getWebView(m_webFrame.get()); [webView _restorePlugInsFromCache]; } #endif void WebFrameLoaderClient::transitionToCommittedForNewPage() { WebDataSource *dataSource = [m_webFrame.get() _dataSource]; #if PLATFORM(IOS_FAMILY) bool willProduceHTMLView; // Fast path that skips initialization of objc class objects. if ([dataSource _documentLoader]->responseMIMEType() == "text/html"_s) willProduceHTMLView = true; else willProduceHTMLView = [m_webFrame->_private->webFrameView _viewClassForMIMEType:[dataSource _responseMIMEType]] == [WebHTMLView class]; #else // FIXME (Viewless): I assume we want the equivalent of this optimization for viewless mode too. bool willProduceHTMLView = [m_webFrame->_private->webFrameView _viewClassForMIMEType:[dataSource _responseMIMEType]] == [WebHTMLView class]; #endif bool canSkipCreation = core(m_webFrame.get())->loader().stateMachine().committingFirstRealLoad() && willProduceHTMLView; if (canSkipCreation) { [[m_webFrame->_private->webFrameView documentView] setDataSource:dataSource]; return; } #if !PLATFORM(IOS_FAMILY) // Don't suppress scrollbars before the view creation if we're making the view for a non-HTML view. if (!willProduceHTMLView) [[m_webFrame->_private->webFrameView _scrollView] setScrollBarsSuppressed:NO repaintOnUnsuppress:NO]; // clean up webkit plugin instances before WebHTMLView gets freed. WebView *webView = getWebView(m_webFrame.get()); [webView removePluginInstanceViewsFor:(m_webFrame.get())]; RetainPtr> documentView = [m_webFrame->_private->webFrameView _makeDocumentViewForDataSource:dataSource]; #else RetainPtr> documentView; // Fast path that skips initialization of objc class objects. if (willProduceHTMLView) { documentView = adoptNS([[WebHTMLView alloc] initWithFrame:[m_webFrame->_private->webFrameView bounds]]); [m_webFrame->_private->webFrameView _setDocumentView:documentView.get()]; } else documentView = [m_webFrame->_private->webFrameView _makeDocumentViewForDataSource:dataSource]; #endif if (!documentView) return; // FIXME: Could we skip some of this work for a top-level view that is not a WebHTMLView? // If we own the view, delete the old one - otherwise the render m_frame will take care of deleting the view. auto* coreFrame = core(m_webFrame.get()); auto* page = coreFrame->page(); bool isMainFrame = coreFrame->isMainFrame(); if (isMainFrame && coreFrame->view()) coreFrame->view()->setParentVisible(false); coreFrame->setView(nullptr); auto coreView = WebCore::FrameView::create(*coreFrame); coreFrame->setView(coreView.copyRef()); #if PLATFORM(IOS_FAMILY) page->setDelegatesScaling(true); #endif [m_webFrame.get() _updateBackgroundAndUpdatesWhileOffscreen]; [m_webFrame->_private->webFrameView _install]; if (isMainFrame) { #if PLATFORM(IOS_FAMILY) coreView->setDelegatesScrolling(true); #endif coreView->setParentVisible(true); } // Call setDataSource on the document view after it has been placed in the view hierarchy. // This what we for the top-level view, so should do this for views in subframes as well. [documentView setDataSource:dataSource]; // The following is a no-op for WebHTMLRepresentation, but for custom document types // like the ones that Safari uses for bookmarks it is the only way the DocumentLoader // will get the proper title. if (auto documentLoader = [dataSource _documentLoader]) documentLoader->setTitle({ [dataSource pageTitle], WebCore::TextDirection::LTR }); if (auto* ownerElement = coreFrame->ownerElement()) coreFrame->view()->setCanHaveScrollbars(ownerElement->scrollingMode() != WebCore::ScrollbarMode::AlwaysOff); // If the document view implicitly became first responder, make sure to set the focused frame properly. if ([[documentView window] firstResponder] == documentView) { page->focusController().setFocusedFrame(coreFrame); page->focusController().setFocused(true); } } void WebFrameLoaderClient::didRestoreFromBackForwardCache() { #if PLATFORM(IOS_FAMILY) WebView *webView = getWebView(m_webFrame.get()); if ([webView mainFrame] == m_webFrame.get()) [[webView _UIKitDelegateForwarder] webViewDidRestoreFromPageCache:webView]; #endif } RetainPtr WebFrameLoaderClient::setUpPolicyListener(WebCore::PolicyCheckIdentifier identifier, WebCore::FramePolicyFunction&& function, WebCore::PolicyAction defaultPolicy, NSURL *appLinkURL) { // FIXME: We need to support multiple active policy listeners. [m_policyListener invalidate]; RetainPtr policyListener; #if HAVE(APP_LINKS) if (appLinkURL) policyListener = adoptNS([[WebFramePolicyListener alloc] initWithFrame:core(m_webFrame.get()) identifier:identifier policyFunction:WTFMove(function) defaultPolicy:defaultPolicy appLinkURL:appLinkURL]); else #endif policyListener = adoptNS([[WebFramePolicyListener alloc] initWithFrame:core(m_webFrame.get()) identifier:identifier policyFunction:WTFMove(function) defaultPolicy:defaultPolicy]); m_policyListener = policyListener.get(); return policyListener; } String WebFrameLoaderClient::userAgent(const URL& url) const { WebView *webView = getWebView(m_webFrame.get()); ASSERT(webView); // We should never get here with nil for the WebView unless there is a bug somewhere else. // But if we do, it's better to return the empty string than just crashing on the spot. // Most other call sites are tolerant of nil because of Objective-C behavior, but this one // is not because the return value of _userAgentForURL is a const URL&. if (!webView) return emptyString(); return [webView _userAgentString]; } NSDictionary *WebFrameLoaderClient::actionDictionary(const WebCore::NavigationAction& action, WebCore::FormState* formState) const { using namespace WebCore; unsigned modifierFlags = 0; #if !PLATFORM(IOS_FAMILY) auto keyStateEventData = action.keyStateEventData(); if (keyStateEventData && keyStateEventData->isTrusted) { if (keyStateEventData->ctrlKey) modifierFlags |= NSEventModifierFlagControl; if (keyStateEventData->altKey) modifierFlags |= NSEventModifierFlagOption; if (keyStateEventData->shiftKey) modifierFlags |= NSEventModifierFlagShift; if (keyStateEventData->metaKey) modifierFlags |= NSEventModifierFlagCommand; } #else // No modifier flags on iOS right now modifierFlags = 0; #endif NSURL *originalURL = action.url(); NSMutableDictionary *result = [NSMutableDictionary dictionaryWithObjectsAndKeys: @(static_cast(action.type())), WebActionNavigationTypeKey, @(modifierFlags), WebActionModifierFlagsKey, originalURL, WebActionOriginalURLKey, nil]; if (auto mouseEventData = action.mouseEventData()) { constexpr OptionSet hitType { HitTestRequest::Type::ReadOnly, HitTestRequest::Type::Active, HitTestRequest::Type::DisallowUserAgentShadowContent, HitTestRequest::Type::AllowChildFrameContent }; auto element = adoptNS([[WebElementDictionary alloc] initWithHitTestResult:core(m_webFrame.get())->eventHandler().hitTestResultAtPoint(mouseEventData->absoluteLocation, hitType)]); [result setObject:element.get() forKey:WebActionElementKey]; if (mouseEventData->isTrusted) [result setObject:@(mouseEventData->button) forKey:WebActionButtonKey]; else [result setObject:@(WebCore::NoButton) forKey:WebActionButtonKey]; } if (formState) [result setObject:kit(&formState->form()) forKey:WebActionFormKey]; return result; } bool WebFrameLoaderClient::canCachePage() const { // We can only cache HTML pages right now if (![[[m_webFrame _dataSource] representation] isKindOfClass:[WebHTMLRepresentation class]]) return false; // We only cache pages if the back forward list is enabled and has a non-zero capacity. auto* page = core(m_webFrame.get())->page(); if (!page) return false; auto& backForwardList = static_cast(page->backForward().client()); if (!backForwardList.enabled()) return false; if (!backForwardList.capacity()) return false; return true; } RefPtr WebFrameLoaderClient::createFrame(const AtomString& name, WebCore::HTMLFrameOwnerElement& ownerElement) { BEGIN_BLOCK_OBJC_EXCEPTIONS ASSERT(m_webFrame); auto childView = adoptNS([[WebFrameView alloc] init]); auto result = [WebFrame _createSubframeWithOwnerElement:&ownerElement frameName:name frameView:childView.get()]; auto newFrame = kit(result.ptr()); if ([newFrame _dataSource]) [[newFrame _dataSource] _documentLoader]->setOverrideEncoding([[m_webFrame.get() _dataSource] _documentLoader]->overrideEncoding()); // The creation of the frame may have run arbitrary JavaScript that removed it from the page already. if (!result->page()) return nullptr; return result; END_BLOCK_OBJC_EXCEPTIONS return nullptr; } WebCore::ObjectContentType WebFrameLoaderClient::objectContentType(const URL& url, const String& mimeType) { BEGIN_BLOCK_OBJC_EXCEPTIONS String type = mimeType; if (type.isEmpty()) { // Try to guess the MIME type based off the extension. NSURL *URL = url; NSString *extension = [[URL path] pathExtension]; if ([extension length] > 0) { type = [[NSURLFileTypeMappings sharedMappings] MIMETypeForExtension:extension]; if (type.isEmpty()) { // If no MIME type is specified, use a plug-in if we have one that can handle the extension. if ([getWebView(m_webFrame.get()) _pluginForExtension:extension]) return WebCore::ObjectContentType::PlugIn; } } } if (type.isEmpty()) return WebCore::ObjectContentType::Frame; // Go ahead and hope that we can display the content. WebCore::ObjectContentType plugInType = WebCore::ObjectContentType::None; if ([getWebView(m_webFrame.get()) _pluginForMIMEType:type]) plugInType = WebCore::ObjectContentType::PlugIn; if (WebCore::MIMETypeRegistry::isSupportedImageMIMEType(type)) return WebCore::ObjectContentType::Image; if (plugInType != WebCore::ObjectContentType::None) return plugInType; if ([m_webFrame->_private->webFrameView _viewClassForMIMEType:type]) return WebCore::ObjectContentType::Frame; return WebCore::ObjectContentType::None; END_BLOCK_OBJC_EXCEPTIONS return WebCore::ObjectContentType::None; } static AtomString parameterValue(const Vector& paramNames, const Vector& paramValues, ASCIILiteral name) { size_t size = paramNames.size(); ASSERT(size == paramValues.size()); for (size_t i = 0; i < size; ++i) { if (equalIgnoringASCIICase(paramNames[i], name)) return paramValues[i]; } return nullAtom(); } static NSView *pluginView(WebFrame *frame, WebPluginPackage *pluginPackage, NSArray *attributeNames, NSArray *attributeValues, NSURL *baseURL, DOMElement *element, BOOL loadManually) { WebHTMLView *docView = (WebHTMLView *)[[frame frameView] documentView]; ASSERT([docView isKindOfClass:[WebHTMLView class]]); WebPluginController *pluginController = [docView _pluginController]; // Store attributes in a dictionary so they can be passed to WebPlugins. auto attributes = adoptNS([[NSMutableDictionary alloc] initWithObjects:attributeValues forKeys:attributeNames]); [pluginPackage load]; Class viewFactory = [pluginPackage viewFactory]; NSDictionary *arguments = nil; IGNORE_WARNINGS_BEGIN("undeclared-selector") auto oldSelector = @selector(pluginViewWithArguments:); IGNORE_WARNINGS_END if ([viewFactory respondsToSelector:@selector(plugInViewWithArguments:)]) { arguments = @{ WebPlugInBaseURLKey: baseURL, WebPlugInAttributesKey: attributes.get(), WebPlugInContainerKey: pluginController, WebPlugInModeKey: @(loadManually ? WebPlugInModeFull : WebPlugInModeEmbed), WebPlugInShouldLoadMainResourceKey: [NSNumber numberWithBool:!loadManually], WebPlugInContainingElementKey: element, }; LOG(Plugins, "arguments:\n%@", arguments); } else if ([viewFactory respondsToSelector:oldSelector]) { arguments = @{ WebPluginBaseURLKey: baseURL, WebPluginAttributesKey: attributes.get(), WebPluginContainerKey: pluginController, WebPlugInContainingElementKey: element, }; LOG(Plugins, "arguments:\n%@", arguments); } return [pluginController plugInViewWithArguments:arguments fromPluginPackage:pluginPackage]; } class PluginWidget : public WebCore::PluginViewBase { public: PluginWidget(NSView *view = nil) : WebCore::PluginViewBase(view) { } private: virtual void invalidateRect(const WebCore::IntRect& rect) { [platformWidget() setNeedsDisplayInRect:rect]; } }; #if PLATFORM(IOS_FAMILY) @interface WAKView (UIKitSecretsWebKitKnowsAboutSeeUIWebPlugInView) - (PlatformLayer *)pluginLayer; - (BOOL)willProvidePluginLayer; - (void)attachPluginLayer; - (void)detachPluginLayer; @end class PluginWidgetIOS : public PluginWidget { public: PluginWidgetIOS(WAKView *view) : PluginWidget(view) { } virtual PlatformLayer* platformLayer() const { if (![platformWidget() respondsToSelector:@selector(pluginLayer)]) return nullptr; return [platformWidget() pluginLayer]; } virtual bool willProvidePluginLayer() const { return [platformWidget() respondsToSelector:@selector(willProvidePluginLayer)] && [platformWidget() willProvidePluginLayer]; } virtual void attachPluginLayer() { if ([platformWidget() respondsToSelector:@selector(attachPluginLayer)]) [platformWidget() attachPluginLayer]; } virtual void detachPluginLayer() { if ([platformWidget() respondsToSelector:@selector(detachPluginLayer)]) [platformWidget() detachPluginLayer]; } }; #endif // PLATFORM(IOS_FAMILY) static bool shouldBlockPlugin(WebBasePluginPackage *pluginPackage) { #if PLATFORM(MAC) auto loadPolicy = WebCore::PluginBlocklist::loadPolicyForPluginVersion(pluginPackage.bundleIdentifier, pluginPackage.bundleVersion); return loadPolicy == WebCore::PluginBlocklist::LoadPolicy::BlockedForSecurity || loadPolicy == WebCore::PluginBlocklist::LoadPolicy::BlockedForCompatibility; #else UNUSED_PARAM(pluginPackage); return false; #endif } RefPtr WebFrameLoaderClient::createPlugin(const WebCore::IntSize& size, WebCore::HTMLPlugInElement& element, const URL& url, const Vector& paramNames, const Vector& paramValues, const String& mimeType, bool loadManually) { BEGIN_BLOCK_OBJC_EXCEPTIONS ASSERT(paramNames.size() == paramValues.size()); int errorCode = 0; WebView *webView = getWebView(m_webFrame.get()); auto* document = core(m_webFrame.get())->document(); NSURL *baseURL = document->baseURL(); NSURL *pluginURL = url; auto attributeKeys = createNSArray(paramNames); #if PLATFORM(MAC) SEL selector = @selector(webView:plugInViewWithArguments:); if ([[webView UIDelegate] respondsToSelector:selector]) { NSDictionary *attributes = [NSDictionary dictionaryWithObjects:createNSArray(paramValues).get() forKeys:attributeKeys.get()]; auto arguments = adoptNS([[NSDictionary alloc] initWithObjectsAndKeys: attributes, WebPlugInAttributesKey, @(loadManually ? WebPlugInModeFull : WebPlugInModeEmbed), WebPlugInModeKey, [NSNumber numberWithBool:!loadManually], WebPlugInShouldLoadMainResourceKey, kit(&element), WebPlugInContainingElementKey, // FIXME: We should be passing base URL, see . pluginURL, WebPlugInBaseURLKey, // pluginURL might be nil, so add it last nil]); NSView *view = CallUIDelegate(webView, selector, arguments.get()); if (view) return adoptRef(*new PluginWidget(view)); } #endif NSString *MIMEType; WebBasePluginPackage *pluginPackage; if (mimeType.isEmpty()) { MIMEType = nil; pluginPackage = nil; } else { MIMEType = mimeType; pluginPackage = [webView _pluginForMIMEType:mimeType]; } NSString *extension = [[pluginURL path] pathExtension]; #if PLATFORM(IOS_FAMILY) if (!pluginPackage && [extension length]) #else if (!pluginPackage && [extension length] && ![MIMEType length]) #endif { pluginPackage = [webView _pluginForExtension:extension]; if (pluginPackage) { NSString *newMIMEType = [pluginPackage MIMETypeForExtension:extension]; if ([newMIMEType length] != 0) MIMEType = newMIMEType; } } NSView *view = nil; if (pluginPackage) { if (shouldBlockPlugin(pluginPackage)) { errorCode = WebKitErrorBlockedPlugInVersion; if (is(element.renderer())) downcast(*element.renderer()).setPluginUnavailabilityReason(WebCore::RenderEmbeddedObject::InsecurePluginVersion); } else { if ([pluginPackage isKindOfClass:[WebPluginPackage class]]) view = pluginView(m_webFrame.get(), (WebPluginPackage *)pluginPackage, attributeKeys.get(), createNSArray(paramValues).get(), baseURL, kit(&element), loadManually); } } else errorCode = WebKitErrorCannotFindPlugIn; if (!errorCode && !view) errorCode = WebKitErrorCannotLoadPlugIn; if (errorCode && m_webFrame) { WebResourceDelegateImplementationCache* implementations = WebViewGetResourceLoadDelegateImplementations(webView); if (implementations->plugInFailedWithErrorFunc) { URL pluginPageURL = document->completeURL(WebCore::stripLeadingAndTrailingHTMLSpaces(parameterValue(paramNames, paramValues, "pluginspage"_s))); if (!pluginPageURL.protocolIsInHTTPFamily()) pluginPageURL = URL(); NSString *pluginName = pluginPackage ? (NSString *)[pluginPackage pluginInfo].name : nil; auto error = adoptNS([[NSError alloc] _initWithPluginErrorCode:errorCode contentURL:pluginURL pluginPageURL:pluginPageURL pluginName:pluginName MIMEType:MIMEType]); CallResourceLoadDelegate(implementations->plugInFailedWithErrorFunc, [m_webFrame.get() webView], @selector(webView:plugInFailedWithError:dataSource:), error.get(), [m_webFrame.get() _dataSource]); } return nullptr; } ASSERT(view); #if PLATFORM(IOS_FAMILY) return adoptRef(new PluginWidgetIOS(view)); #else return adoptRef(new PluginWidget(view)); #endif END_BLOCK_OBJC_EXCEPTIONS return nullptr; } void WebFrameLoaderClient::redirectDataToPlugin(WebCore::Widget& pluginWidget) { BEGIN_BLOCK_OBJC_EXCEPTIONS WebHTMLRepresentation *representation = (WebHTMLRepresentation *)[[m_webFrame.get() _dataSource] representation]; NSView *pluginView = pluginWidget.platformWidget(); { WebHTMLView *documentView = (WebHTMLView *)[[m_webFrame.get() frameView] documentView]; ASSERT([documentView isKindOfClass:[WebHTMLView class]]); [representation _redirectDataToManualLoader:[documentView _pluginController] forPluginView:pluginView]; } END_BLOCK_OBJC_EXCEPTIONS } void WebFrameLoaderClient::sendH2Ping(const URL& url, CompletionHandler&&)>&& completionHandler) { ASSERT_NOT_REACHED(); completionHandler(makeUnexpected(WebCore::internalError(url))); } String WebFrameLoaderClient::overrideMediaType() const { NSString* overrideType = [getWebView(m_webFrame.get()) mediaStyle]; if (overrideType) return overrideType; return String(); } #if ENABLE(WEBGL) static bool shouldBlockWebGL() { #if PLATFORM(MAC) return WebCore::WebGLBlocklist::shouldBlockWebGL(); #else return false; #endif } WebCore::WebGLLoadPolicy WebFrameLoaderClient::webGLPolicyForURL(const URL&) const { return shouldBlockWebGL() ? WebCore::WebGLLoadPolicy::WebGLBlockCreation : WebCore::WebGLLoadPolicy::WebGLAllowCreation; } WebCore::WebGLLoadPolicy WebFrameLoaderClient::resolveWebGLPolicyForURL(const URL&) const { return shouldBlockWebGL() ? WebCore::WebGLLoadPolicy::WebGLBlockCreation : WebCore::WebGLLoadPolicy::WebGLAllowCreation; } #endif // ENABLE(WEBGL) void WebFrameLoaderClient::dispatchDidClearWindowObjectInWorld(WebCore::DOMWrapperWorld& world) { WebView *webView = getWebView(m_webFrame.get()); WebFrameLoadDelegateImplementationCache* implementations = WebViewGetFrameLoadDelegateImplementations(webView); if (implementations->didClearWindowObjectForFrameInScriptWorldFunc) { CallFrameLoadDelegate(implementations->didClearWindowObjectForFrameInScriptWorldFunc, webView, @selector(webView:didClearWindowObjectForFrame:inScriptWorld:), m_webFrame.get(), [WebScriptWorld findOrCreateWorld:world]); return; } if (&world != &WebCore::mainThreadNormalWorld()) return; auto* frame = core(m_webFrame.get()); auto& script = frame->script(); #if JSC_OBJC_API_ENABLED if (implementations->didCreateJavaScriptContextForFrameFunc) { CallFrameLoadDelegate(implementations->didCreateJavaScriptContextForFrameFunc, webView, @selector(webView:didCreateJavaScriptContext:forFrame:), script.javaScriptContext(), m_webFrame.get()); } else #endif if (implementations->didClearWindowObjectForFrameFunc) { CallFrameLoadDelegate(implementations->didClearWindowObjectForFrameFunc, webView, @selector(webView:didClearWindowObject:forFrame:), script.windowScriptObject(), m_webFrame.get()); } else if (implementations->windowScriptObjectAvailableFunc) { CallFrameLoadDelegate(implementations->windowScriptObjectAvailableFunc, webView, @selector(webView:windowScriptObjectAvailable:), script.windowScriptObject()); } if ([webView scriptDebugDelegate]) { [m_webFrame.get() _detachScriptDebugger]; [m_webFrame.get() _attachScriptDebugger]; } } Ref< WebCore::FrameNetworkingContext> WebFrameLoaderClient::createNetworkingContext() { return WebFrameNetworkingContext::create(core(m_webFrame.get())); } #if PLATFORM(IOS_FAMILY) bool WebFrameLoaderClient::shouldLoadMediaElementURL(const URL& url) const { WebView *webView = getWebView(m_webFrame.get()); if (id policyDelegate = [webView policyDelegate]) { if ([policyDelegate respondsToSelector:@selector(webView:shouldLoadMediaURL:inFrame:)]) return [policyDelegate webView:webView shouldLoadMediaURL:url inFrame:m_webFrame.get()]; } return true; } #endif #if USE(QUICK_LOOK) RefPtr WebFrameLoaderClient::createPreviewLoaderClient(const String& fileName, const String& uti) { class QuickLookDocumentWriter : public WebCore::LegacyPreviewLoaderClient { public: explicit QuickLookDocumentWriter(NSString *filePath) : m_filePath { filePath } , m_fileHandle { [NSFileHandle fileHandleForWritingAtPath:filePath] } { ASSERT(filePath.length); } ~QuickLookDocumentWriter() { [[NSFileManager defaultManager] _web_removeFileOnlyAtPath:m_filePath.get()]; } private: RetainPtr m_filePath; RetainPtr m_fileHandle; void didReceiveData(const WebCore::SharedBuffer& buffer) override { auto dataArray = buffer.createNSDataArray(); for (NSData *data in dataArray.get()) [m_fileHandle writeData:data]; } void didFinishLoading() override { [m_fileHandle closeFile]; } void didFail() override { [m_fileHandle closeFile]; } }; if (![m_webFrame webView].preferences.quickLookDocumentSavingEnabled) return nullptr; NSString *filePath = WebCore::createTemporaryFileForQuickLook(fileName); if (!filePath) return nullptr; auto documentWriter = adoptRef(*new QuickLookDocumentWriter(filePath)); [m_webFrame provisionalDataSource]._quickLookContent = @{ WebQuickLookFileNameKey : filePath, WebQuickLookUTIKey : uti }; [m_webFrame provisionalDataSource]._quickLookPreviewLoaderClient = documentWriter.ptr(); return documentWriter; } #endif #if ENABLE(CONTENT_FILTERING) void WebFrameLoaderClient::contentFilterDidBlockLoad(WebCore::ContentFilterUnblockHandler unblockHandler) { core(m_webFrame.get())->loader().policyChecker().setContentFilterUnblockHandler(WTFMove(unblockHandler)); } #endif void WebFrameLoaderClient::prefetchDNS(const String& hostname) { WebCore::prefetchDNS(hostname); } void WebFrameLoaderClient::getLoadDecisionForIcons(const Vector>& icons) { auto* frame = core(m_webFrame.get()); auto* documentLoader = frame->loader().documentLoader(); ASSERT(documentLoader); #if PLATFORM(MAC) if (!WebKitLinkedOnOrAfter(WEBKIT_FIRST_VERSION_WITH_DEFAULT_ICON_LOADING)) { for (auto& icon : icons) documentLoader->didGetLoadDecisionForIcon(false, icon.second, [](auto) { }); return; } #endif bool disallowedDueToImageLoadSettings = false; if (!frame->settings().loadsImagesAutomatically() && !frame->settings().loadsSiteIconsIgnoringImageLoadingSetting()) disallowedDueToImageLoadSettings = true; if (disallowedDueToImageLoadSettings || !frame->isMainFrame() || !documentLoader->url().protocolIsInHTTPFamily() || ![WebView _isIconLoadingEnabled]) { for (auto& icon : icons) documentLoader->didGetLoadDecisionForIcon(false, icon.second, [](auto) { }); return; } #if !PLATFORM(IOS_FAMILY) ASSERT(!m_loadingIcon); // WebKit 1, which only supports one icon per page URL, traditionally has preferred the last icon in case of multiple icons listed. // To preserve that behavior we walk the list backwards. for (auto icon = icons.rbegin(); icon != icons.rend(); ++icon) { if (icon->first.type != WebCore::LinkIconType::Favicon || m_loadingIcon) { documentLoader->didGetLoadDecisionForIcon(false, icon->second, [](auto) { }); continue; } m_loadingIcon = true; documentLoader->didGetLoadDecisionForIcon(true, icon->second, [this, weakThis = WeakPtr { *this }] (WebCore::FragmentedSharedBuffer* buffer) { if (!weakThis) return; finishedLoadingIcon(buffer); }); } #else // No WebCore icon loading on iOS for (auto& icon : icons) documentLoader->didGetLoadDecisionForIcon(false, icon.second, [](auto) { }); #endif } #if !PLATFORM(IOS_FAMILY) static NSImage *webGetNSImage(WebCore::Image* image, NSSize size) { ASSERT(size.width); ASSERT(size.height); // FIXME: We're doing the resize here for now because WebCore::Image doesn't yet support resizing/multiple representations // This makes it so there's effectively only one size of a particular icon in the system at a time. We should move this // to WebCore::Image at some point. if (!image) return nil; NSImage* nsImage = image->nsImage(); if (!nsImage) return nil; if (!NSEqualSizes([nsImage size], size)) { ALLOW_DEPRECATED_DECLARATIONS_BEGIN [nsImage setScalesWhenResized:YES]; ALLOW_DEPRECATED_DECLARATIONS_END [nsImage setSize:size]; } return nsImage; } #endif // !PLATFORM(IOS_FAMILY) void WebFrameLoaderClient::finishedLoadingIcon(WebCore::FragmentedSharedBuffer* iconData) { #if !PLATFORM(IOS_FAMILY) ASSERT(m_loadingIcon); m_loadingIcon = false; WebView *webView = getWebView(m_webFrame.get()); if (!webView) return; auto image = WebCore::BitmapImage::create(); if (image->setData(iconData, true) < WebCore::EncodedDataStatus::SizeAvailable) return; NSImage *icon = webGetNSImage(image.ptr(), NSMakeSize(16, 16)); if (icon) [webView _setMainFrameIcon:icon]; #else UNUSED_PARAM(iconData); #endif } @implementation WebFramePolicyListener + (void)initialize { #if !PLATFORM(IOS_FAMILY) JSC::initialize(); WTF::initializeMainThread(); WebCore::populateJITOperations(); #endif } - (id)initWithFrame:(NakedPtr)frame identifier:(WebCore::PolicyCheckIdentifier)identifier policyFunction:(WebCore::FramePolicyFunction&&)policyFunction defaultPolicy:(WebCore::PolicyAction)defaultPolicy { self = [self init]; if (!self) return nil; _identifier = identifier; _frame = frame; _policyFunction = WTFMove(policyFunction); _defaultPolicy = defaultPolicy; return self; } #if HAVE(APP_LINKS) - (id)initWithFrame:(NakedPtr)frame identifier:(WebCore::PolicyCheckIdentifier)identifier policyFunction:(WebCore::FramePolicyFunction&&)policyFunction defaultPolicy:(WebCore::PolicyAction)defaultPolicy appLinkURL:(NSURL *)appLinkURL { self = [self initWithFrame:frame identifier:identifier policyFunction:WTFMove(policyFunction) defaultPolicy:defaultPolicy]; if (!self) return nil; _appLinkURL = appLinkURL; return self; } #endif - (void)invalidate { _frame = nullptr; if (auto policyFunction = std::exchange(_policyFunction, nullptr)) policyFunction(WebCore::PolicyAction::Ignore, _identifier); } - (void)dealloc { if (WebCoreObjCScheduleDeallocateOnMainThread([WebFramePolicyListener class], self)) return; // If the app did not respond before the listener is destroyed, then we use the default policy ("Use" for navigation // response policy decision, "Ignore" for other policy decisions). _frame = nullptr; if (auto policyFunction = std::exchange(_policyFunction, nullptr)) { RELEASE_LOG_ERROR(Loading, "Client application failed to make a policy decision via WebPolicyDecisionListener, using defaultPolicy %hhu", _defaultPolicy); policyFunction(_defaultPolicy, _identifier); } [super dealloc]; } - (void)receivedPolicyDecision:(WebCore::PolicyAction)action { auto frame = WTFMove(_frame); if (!frame) return; if (auto policyFunction = std::exchange(_policyFunction, nullptr)) policyFunction(action, _identifier); } - (void)ignore { [self receivedPolicyDecision:WebCore::PolicyAction::Ignore]; } - (void)download { [self receivedPolicyDecision:WebCore::PolicyAction::Download]; } - (void)use { #if HAVE(APP_LINKS) if (_appLinkURL && _frame) { [LSAppLink openWithURL:_appLinkURL.get() completionHandler:^(BOOL success, NSError *) { #if USE(WEB_THREAD) WebThreadRun(^{ #else RunLoop::main().dispatch([self, strongSelf = retainPtr(self), success] { #endif if (success) [self receivedPolicyDecision:WebCore::PolicyAction::Ignore]; else [self receivedPolicyDecision:WebCore::PolicyAction::Use]; }); }]; return; } #endif [self receivedPolicyDecision:WebCore::PolicyAction::Use]; } - (void)continue { [self receivedPolicyDecision:WebCore::PolicyAction::Use]; } @end