Example #1
0
bool MainResourceLoader::loadNow(ResourceRequest& r)
{
    bool shouldLoadEmptyBeforeRedirect = shouldLoadAsEmptyDocument(r.url());

    ASSERT(!m_handle);
    ASSERT(shouldLoadEmptyBeforeRedirect || !defersLoading());

    // Send this synthetic delegate callback since clients expect it, and
    // we no longer send the callback from within NSURLConnection for
    // initial requests.
    willSendRequest(r, ResourceResponse());
    ASSERT(!deletionHasBegun());

    // <rdar://problem/4801066>
    // willSendRequest() is liable to make the call to frameLoader() return NULL, so we need to check that here
    if (!frameLoader())
        return false;
    
    const KURL& url = r.url();
    bool shouldLoadEmpty = shouldLoadAsEmptyDocument(url) && !m_substituteData.isValid();

    if (shouldLoadEmptyBeforeRedirect && !shouldLoadEmpty && defersLoading())
        return true;

#if USE(PLATFORM_STRATEGIES)
    platformStrategies()->loaderStrategy()->resourceLoadScheduler()->addMainResourceLoad(this);
#else
    resourceLoadScheduler()->addMainResourceLoad(this);
#endif

    if (m_substituteData.isValid())
        handleSubstituteDataLoadSoon(r);
    else if (shouldLoadEmpty || frameLoader()->client()->representationExistsForURLScheme(url.protocol()))
        handleEmptyLoad(url, !shouldLoadEmpty);
    else
        m_handle = ResourceHandle::create(m_frame->loader()->networkingContext(), r, this, false, true);

    return false;
}
Example #2
0
void MainResourceLoader::didFail(const ResourceError& error)
{
    if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainError(request(), error))
        return;

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading());
#endif
    
    receivedError(error);
}
Example #3
0
void Page::goToItem(HistoryItem* item, FrameLoadType type)
{
    if (defersLoading())
        return;

    // stopAllLoaders may end up running onload handlers, which could cause further history traversals that may lead to the passed in HistoryItem
    // being deref()-ed. Make sure we can still use it with HistoryController::goToItem later.
    RefPtr<HistoryItem> protector(item);

    if (m_mainFrame->loader()->history()->shouldStopLoadingForHistoryItem(item))
        m_mainFrame->loader()->stopAllLoaders();

    m_mainFrame->loader()->history()->goToItem(item, type);
}
Example #4
0
void MainResourceLoader::didReceiveResponse(const ResourceResponse& r)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    if (r.httpStatusCode() / 100 == 4 || r.httpStatusCode() / 100 == 5) {
        ASSERT(!m_applicationCache);
        if (m_frame->settings() && m_frame->settings()->offlineWebApplicationCacheEnabled()) {
            m_applicationCache = ApplicationCacheGroup::fallbackCacheForMainRequest(request(), documentLoader());

            if (scheduleLoadFallbackResourceFromApplicationCache(m_applicationCache.get()))
                return;
        }
    }
#endif

    HTTPHeaderMap::const_iterator it = r.httpHeaderFields().find(AtomicString("x-frame-options"));
    if (it != r.httpHeaderFields().end()) {
        String content = it->second;
        if (m_frame->loader()->shouldInterruptLoadForXFrameOptions(content, r.url())) {
            cancel();
            return;
        }
    }

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
    ASSERT(shouldLoadAsEmptyDocument(r.url()) || !defersLoading());
#endif

    if (m_loadingMultipartContent) {
        frameLoader()->setupForReplaceByMIMEType(r.mimeType());
        clearResourceData();
    }
    
    if (r.isMultipart())
        m_loadingMultipartContent = true;
        
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    m_documentLoader->setResponse(r);

    m_response = r;

    ASSERT(!m_waitingForContentPolicy);
    m_waitingForContentPolicy = true;
    ref(); // balanced by deref in continueAfterContentPolicy and didCancel
    frameLoader()->checkContentPolicy(m_response.mimeType(), callContinueAfterContentPolicy, this);
}
void MainResourceLoader::didReceiveData(const char* data, int length, long long lengthReceived, bool allAtOnce)
{
    ASSERT(data);
    ASSERT(length != 0);

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
    ASSERT(!defersLoading());
#endif
 
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    ResourceLoader::didReceiveData(data, length, lengthReceived, allAtOnce);
}
Example #6
0
void MainResourceLoader::loadNow(ResourceRequest& r)
{
    ASSERT(!m_handle);
    ASSERT(!defersLoading());

#if USE(PLATFORM_STRATEGIES)
    platformStrategies()->loaderStrategy()->resourceLoadScheduler()->addMainResourceLoad(this);
#else
    resourceLoadScheduler()->addMainResourceLoad(this);
#endif

    if (m_substituteData.isValid())
        handleSubstituteDataLoadSoon(r);
    else
        m_handle = ResourceHandle::create(m_frame->loader()->networkingContext(), r, this, false, true);

    return;
}
Example #7
0
void MainResourceLoader::didFinishLoading(double finishTime)
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading() || InspectorInstrumentation::isDebuggerPaused(m_documentLoader->frame()));
#endif

    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);
    RefPtr<DocumentLoader> dl = documentLoader();

    if (!loader()) {
        frameLoader()->notifier()->dispatchDidFinishLoading(documentLoader(), identifier(), finishTime);
        m_identifierForLoadWithoutResourceLoader = 0;
    }

#if USE(CONTENT_FILTERING)
    if (m_contentFilter && m_contentFilter->needsMoreData()) {
        m_contentFilter->finishedAddingData();

        int length;
        const char* data = m_contentFilter->getReplacementData(length);
        if (data)
            dataReceived(m_resource.get(), data, length);
    }
#endif

    if (m_loadingMultipartContent)
        dl->maybeFinishLoadingMultipartContent();

    documentLoader()->timing()->setResponseEnd(finishTime ? finishTime : (m_timeOfLastDataReceived ? m_timeOfLastDataReceived : monotonicallyIncreasingTime()));
    documentLoader()->finishedLoading();

    // If the document specified an application cache manifest, it violates the author's intent if we store it in the memory cache
    // and deny the appcache the chance to intercept it in the future, so remove from the memory cache.
    if (Frame* frame = documentLoader()->frame()) {
        if (m_resource && frame->document()->hasManifest())
            memoryCache()->remove(m_resource.get());
    }

    dl->applicationCacheHost()->finishedLoadingMainResource();
}
Example #8
0
void MainResourceLoader::didFail(const ResourceError& error)
{
#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
    if (m_filter) {
        wkFilterRelease(m_filter);
        m_filter = 0;
    }
#endif

    if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainError(request(), error))
        return;

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading());
#endif
    
    receivedError(error);
}
Example #9
0
void MainResourceLoader::didFinishLoading(double finishTime)
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading() || InspectorInstrumentation::isDebuggerPaused(m_documentLoader->frame()));
#endif

    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);
    RefPtr<DocumentLoader> dl = documentLoader();

    if (!loader()) {
        frameLoader()->notifier()->dispatchDidFinishLoading(documentLoader(), identifier(), finishTime);
        m_substituteDataLoadIdentifier = 0;
    }

#if USE(CONTENT_FILTERING)
    if (m_filter) {
        int length;
        const char* data = wkFilterDataComplete(m_filter, &length);
        WebFilterEvaluator *filter = m_filter;
        // Remove this->m_filter early so didReceiveData doesn't see it.
        m_filter = 0;
        if (data)
            dataReceived(m_resource.get(), data, length);
        wkFilterRelease(filter);
    }
#endif

    if (m_loadingMultipartContent)
        dl->maybeFinishLoadingMultipartContent();

    documentLoader()->timing()->setResponseEnd(finishTime ? finishTime : (m_timeOfLastDataReceived ? m_timeOfLastDataReceived : monotonicallyIncreasingTime()));
    documentLoader()->finishedLoading();

    dl->applicationCacheHost()->finishedLoadingMainResource();
}
Example #10
0
void MainResourceLoader::didFail(const ResourceError& error)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    if (!error.isCancellation()) {
        ASSERT(!m_applicationCache);
        if (m_frame->settings() && m_frame->settings()->offlineWebApplicationCacheEnabled()) {
            m_applicationCache = ApplicationCacheGroup::fallbackCacheForMainRequest(request(), documentLoader());

            if (scheduleLoadFallbackResourceFromApplicationCache(m_applicationCache.get()))
                return;
        }
    }
#endif

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
    ASSERT(!defersLoading());
#endif
    
    receivedError(error);
}
Example #11
0
void MainResourceLoader::load(const ResourceRequest& r, const SubstituteData& substituteData)
{
    ASSERT(!m_handle);

    // It appears that it is possible for this load to be cancelled and derefenced by the DocumentLoader
    // in willSendRequest() if loadNow() is called.
    RefPtr<MainResourceLoader> protect(this);

    m_substituteData = substituteData;

    ASSERT(documentLoader()->timing()->navigationStart());
    ASSERT(!documentLoader()->timing()->fetchStart());
    documentLoader()->timing()->markFetchStart();
    ResourceRequest request(r);

    // Send this synthetic delegate callback since clients expect it, and
    // we no longer send the callback from within NSURLConnection for
    // initial requests.
    willSendRequest(request, ResourceResponse());
    ASSERT(!deletionHasBegun());

    // <rdar://problem/4801066>
    // willSendRequest() is liable to make the call to frameLoader() return null, so we need to check that here
    if (!frameLoader() || request.isNull()) {
        if (!reachedTerminalState())
            releaseResources();
        return;
    }

    documentLoader()->applicationCacheHost()->maybeLoadMainResource(request, m_substituteData);

    if (defersLoading())
        m_initialRequest = request;
    else
        loadNow(request);
}
Example #12
0
void MainResourceLoader::didFinishLoading(double finishTime)
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(shouldLoadAsEmptyDocument(frameLoader()->activeDocumentLoader()->url()) || !defersLoading() || InspectorInstrumentation::isDebuggerPaused(m_frame.get()));
#endif

    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);
    RefPtr<DocumentLoader> dl = documentLoader();

#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
    if (m_filter) {
        int length;
        const char* data = wkFilterDataComplete(m_filter, &length);
        WebFilterEvaluator *filter = m_filter;
        // Remove this->m_filter early so didReceiveData doesn't see it.
        m_filter = 0;
        if (data)
            didReceiveData(data, length, -1, false);
        wkFilterRelease(filter);
    }
#endif

    if (m_loadingMultipartContent)
        dl->maybeFinishLoadingMultipartContent();

    documentLoader()->timing()->setResponseEnd(finishTime ? finishTime : (m_timeOfLastDataReceived ? m_timeOfLastDataReceived : monotonicallyIncreasingTime()));
    documentLoader()->finishedLoading();
    ResourceLoader::didFinishLoading(finishTime);

    dl->applicationCacheHost()->finishedLoadingMainResource();
}
Example #13
0
void MainResourceLoader::didReceiveData(const char* data, int length, long long encodedDataLength, bool allAtOnce)
{
    ASSERT(data);
    ASSERT(length != 0);

    ASSERT(!m_response.isNull());

#if USE(CFNETWORK) || PLATFORM(MAC)
    // Workaround for <rdar://problem/6060782>
    if (m_response.isNull()) {
        m_response = ResourceResponse(KURL(), "text/html", 0, String(), String());
        if (DocumentLoader* documentLoader = frameLoader()->activeDocumentLoader())
            documentLoader->setResponse(m_response);
    }
#endif

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading());
#endif

#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
    if (m_filter) {
        ASSERT(!wkFilterWasBlocked(m_filter));
        const char* blockedData = wkFilterAddData(m_filter, data, &length);
        // If we don't have blockedData, that means we're still accumulating data
        if (!blockedData) {
            // Transition to committed state.
            ResourceLoader::didReceiveData("", 0, 0, false);
            return;
        }

        data = blockedData;
        encodedDataLength = -1;
    }
#endif

    documentLoader()->applicationCacheHost()->mainResourceDataReceived(data, length, encodedDataLength, allAtOnce);

    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    m_timeOfLastDataReceived = monotonicallyIncreasingTime();

    ResourceLoader::didReceiveData(data, length, encodedDataLength, allAtOnce);

#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
    if (WebFilterEvaluator *filter = m_filter) {
        // If we got here, it means we know if we were blocked or not. If we were blocked, we're
        // done loading the page altogether. Either way, we don't need the filter anymore.

        // Remove this->m_filter early so didFinishLoading doesn't see it.
        m_filter = 0;
        if (wkFilterWasBlocked(filter))
            cancel();
        wkFilterRelease(filter);
    }
#endif
}
Example #14
0
void MainResourceLoader::didReceiveResponse(const ResourceResponse& r)
{
    if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainResponse(request(), r))
        return;

    HTTPHeaderMap::const_iterator it = r.httpHeaderFields().find(AtomicString("x-frame-options"));
    if (it != r.httpHeaderFields().end()) {
        String content = it->value;
        if (m_frame->loader()->shouldInterruptLoadForXFrameOptions(content, r.url())) {
            InspectorInstrumentation::continueAfterXFrameOptionsDenied(m_frame.get(), documentLoader(), identifier(), r);
            DEFINE_STATIC_LOCAL(String, consoleMessage, (ASCIILiteral("Refused to display document because display forbidden by X-Frame-Options.\n")));
            m_frame->document()->domWindow()->console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, consoleMessage);

            cancel();
            return;
        }
    }

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(shouldLoadAsEmptyDocument(r.url()) || !defersLoading());
#endif

    if (m_loadingMultipartContent) {
        m_documentLoader->setupForReplace();
        clearResourceData();
    }
    
    if (r.isMultipart())
        m_loadingMultipartContent = true;
        
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    m_documentLoader->setResponse(r);

    m_response = r;

    ASSERT(!m_waitingForContentPolicy);
    m_waitingForContentPolicy = true;
    ref(); // balanced by deref in continueAfterContentPolicy and didCancel

    ASSERT(frameLoader()->activeDocumentLoader());

    // Always show content with valid substitute data.
    if (frameLoader()->activeDocumentLoader()->substituteData().isValid()) {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }

#if ENABLE(FTPDIR)
    // Respect the hidden FTP Directory Listing pref so it can be tested even if the policy delegate might otherwise disallow it
    Settings* settings = m_frame->settings();
    if (settings && settings->forceFTPDirectoryListings() && m_response.mimeType() == "application/x-ftp-directory") {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }
#endif

#if PLATFORM(MAC) && !PLATFORM(IOS) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
    if (r.url().protocolIs("https") && wkFilterIsManagedSession())
        m_filter = wkFilterCreateInstance(r.nsURLResponse());
#endif

    frameLoader()->policyChecker()->checkContentPolicy(m_response, callContinueAfterContentPolicy, this);
}
Example #15
0
void MainResourceLoader::didReceiveResponse(const ResourceResponse& r)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainResponse(request(), r))
        return;
#endif

    HTTPHeaderMap::const_iterator it = r.httpHeaderFields().find(AtomicString("x-frame-options"));
    if (it != r.httpHeaderFields().end()) {
        String content = it->second;
        if (m_frame->loader()->shouldInterruptLoadForXFrameOptions(content, r.url())) {
            InspectorInstrumentation::continueAfterXFrameOptionsDenied(m_frame.get(), documentLoader(), identifier(), r);
            DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to display document because display forbidden by X-Frame-Options.\n"));
            m_frame->domWindow()->console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, consoleMessage, 1, String());

            cancel();
            return;
        }
    }

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(shouldLoadAsEmptyDocument(r.url()) || !defersLoading());
#endif

#if PLATFORM(QT)
    if (r.mimeType() == "application/octet-stream")
        substituteMIMETypeFromPluginDatabase(r);
#endif

    if (m_loadingMultipartContent) {
        frameLoader()->setupForReplaceByMIMEType(r.mimeType());
        clearResourceData();
    }
    
    if (r.isMultipart())
        m_loadingMultipartContent = true;
        
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    // There are so many Web-Servers that don't follow xhtml standard (parse error on xhtml). But ChinaTelecom requests NOT to display parse error screen.
    // For both mimetype ( "application/xhtml+xml" and "application/vnd.wap.xhtml+xml mime" ), parse document as "text/html"
    m_documentLoader->setResponse(r);
    m_response = r;

    ASSERT(!m_waitingForContentPolicy);
    m_waitingForContentPolicy = true;
    ref(); // balanced by deref in continueAfterContentPolicy and didCancel

    ASSERT(frameLoader()->activeDocumentLoader());

    // Always show content with valid substitute data.
    if (frameLoader()->activeDocumentLoader()->substituteData().isValid()) {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }

#if ENABLE(FTPDIR)
    // Respect the hidden FTP Directory Listing pref so it can be tested even if the policy delegate might otherwise disallow it
    Settings* settings = m_frame->settings();
    if (settings && settings->forceFTPDirectoryListings() && m_response.mimeType() == "application/x-ftp-directory") {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }
#endif

    frameLoader()->policyChecker()->checkContentPolicy(m_response, callContinueAfterContentPolicy, this);
}
void MainResourceLoader::didFinishLoading(double finishTime)
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(shouldLoadAsEmptyDocument(frameLoader()->activeDocumentLoader()->url()) || !defersLoading());
#endif
    
    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);

#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    RefPtr<DocumentLoader> dl = documentLoader();
#endif

    ASSERT(!documentLoader()->timing()->responseEnd);
    documentLoader()->timing()->responseEnd = finishTime ? finishTime : (m_timeOfLastDataReceived ? m_timeOfLastDataReceived : currentTime());
    frameLoader()->finishedLoading();
    ResourceLoader::didFinishLoading(finishTime);
    
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    dl->applicationCacheHost()->finishedLoadingMainResource();
#endif
}
void MainResourceLoader::didFinishLoading()
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
    ASSERT(shouldLoadAsEmptyDocument(frameLoader()->activeDocumentLoader()->url()) || !defersLoading());
#endif
    
    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);

#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    RefPtr<DocumentLoader> dl = documentLoader();
#endif

    frameLoader()->finishedLoading();
    ResourceLoader::didFinishLoading();
    
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    ApplicationCacheGroup* group = dl->candidateApplicationCacheGroup();
    if (!group && dl->applicationCache() && !dl->mainResourceApplicationCache())
        group = dl->applicationCache()->group();
    
    if (group)
        group->finishedLoadingMainResource(dl.get());
#endif
}
void MainResourceLoader::didFail(const ResourceError& error)
{
    ASSERT(!defersLoading());

    receivedError(error);
}
Example #19
0
void MainResourceLoader::responseReceived(CachedResource* resource, const ResourceResponse& r)
{
    ASSERT_UNUSED(resource, m_resource == resource);
    bool willLoadFallback = documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainResponse(request(), r);

    // The memory cache doesn't understand the application cache or its caching rules. So if a main resource is served
    // from the application cache, ensure we don't save the result for future use.
    bool shouldRemoveResourceFromCache = willLoadFallback;
#if PLATFORM(CHROMIUM)
    // chromium's ApplicationCacheHost implementation always returns true for maybeLoadFallbackForMainResponse(). However, all responses loaded
    // from appcache will have a non-zero appCacheID().
    if (r.appCacheID())
        shouldRemoveResourceFromCache = true;
#endif
    if (shouldRemoveResourceFromCache)
        memoryCache()->remove(m_resource.get());

    if (willLoadFallback)
        return;

    DEFINE_STATIC_LOCAL(AtomicString, xFrameOptionHeader, ("x-frame-options", AtomicString::ConstructFromLiteral));
    HTTPHeaderMap::const_iterator it = r.httpHeaderFields().find(xFrameOptionHeader);
    if (it != r.httpHeaderFields().end()) {
        String content = it->value;
        if (frameLoader()->shouldInterruptLoadForXFrameOptions(content, r.url(), identifier())) {
            InspectorInstrumentation::continueAfterXFrameOptionsDenied(m_documentLoader->frame(), documentLoader(), identifier(), r);
            String message = "Refused to display '" + r.url().string() + "' in a frame because it set 'X-Frame-Options' to '" + content + "'.";
            m_documentLoader->frame()->document()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, message, identifier());

            cancel();
            return;
        }
    }

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(!defersLoading());
#endif

    if (m_loadingMultipartContent) {
        m_documentLoader->setupForReplace();
        m_resource->clear();
    }
    
    if (r.isMultipart())
        m_loadingMultipartContent = true;
        
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    m_documentLoader->setResponse(r);

    m_response = r;

    if (!loader())
        frameLoader()->notifier()->dispatchDidReceiveResponse(documentLoader(), identifier(), m_response, 0);

    ASSERT(!m_waitingForContentPolicy);
    m_waitingForContentPolicy = true;
    ref(); // balanced by deref in continueAfterContentPolicy and cancel

    // Always show content with valid substitute data.
    if (m_documentLoader->substituteData().isValid()) {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }

#if ENABLE(FTPDIR)
    // Respect the hidden FTP Directory Listing pref so it can be tested even if the policy delegate might otherwise disallow it
    Settings* settings = m_documentLoader->frame()->settings();
    if (settings && settings->forceFTPDirectoryListings() && m_response.mimeType() == "application/x-ftp-directory") {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }
#endif

#if USE(CONTENT_FILTERING)
    if (r.url().protocolIs("https") && ContentFilter::isEnabled())
        m_contentFilter = ContentFilter::create(r);
#endif

    frameLoader()->policyChecker()->checkContentPolicy(m_response, callContinueAfterContentPolicy, this);
}
Example #20
0
void MainResourceLoader::didFinishLoading(double finishTime)
{
    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !USE(CF)
    ASSERT(shouldLoadAsEmptyDocument(frameLoader()->activeDocumentLoader()->url()) || !defersLoading());
#endif

    // The additional processing can do anything including possibly removing the last
    // reference to this object.
    RefPtr<MainResourceLoader> protect(this);
    RefPtr<DocumentLoader> dl = documentLoader();

    if (m_loadingMultipartContent)
        dl->maybeFinishLoadingMultipartContent();

    documentLoader()->timing()->setResponseEnd(finishTime ? finishTime : (m_timeOfLastDataReceived ? m_timeOfLastDataReceived : monotonicallyIncreasingTime()));
    frameLoader()->finishedLoading();
    ResourceLoader::didFinishLoading(finishTime);

    dl->applicationCacheHost()->finishedLoadingMainResource();
}
Example #21
0
void MainResourceLoader::didReceiveResponse(const ResourceResponse& r)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
    if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainResponse(request(), r))
        return;
#endif

    HTTPHeaderMap::const_iterator it = r.httpHeaderFields().find(AtomicString("x-frame-options"));
    if (it != r.httpHeaderFields().end()) {
        String content = it->second;
        if (m_frame->loader()->shouldInterruptLoadForXFrameOptions(content, r.url())) {
            cancel();
            return;
        }
    }

    // There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
    // See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
    ASSERT(shouldLoadAsEmptyDocument(r.url()) || !defersLoading());
#endif

#if PLATFORM(QT)
    if (r.mimeType() == "application/octet-stream")
        substituteMIMETypeFromPluginDatabase(r);
#endif

    if (m_loadingMultipartContent) {
        frameLoader()->setupForReplaceByMIMEType(r.mimeType());
        clearResourceData();
    }
    
    if (r.isMultipart())
        m_loadingMultipartContent = true;
        
    // The additional processing can do anything including possibly removing the last
    // reference to this object; one example of this is 3266216.
    RefPtr<MainResourceLoader> protect(this);

    m_documentLoader->setResponse(r);

    m_response = r;

    ASSERT(!m_waitingForContentPolicy);
    m_waitingForContentPolicy = true;
    ref(); // balanced by deref in continueAfterContentPolicy and didCancel

    ASSERT(frameLoader()->activeDocumentLoader());

    // Always show content with valid substitute data.
    if (frameLoader()->activeDocumentLoader()->substituteData().isValid()) {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }

#if ENABLE(FTPDIR)
    // Respect the hidden FTP Directory Listing pref so it can be tested even if the policy delegate might otherwise disallow it
    Settings* settings = m_frame->settings();
    if (settings && settings->forceFTPDirectoryListings() && m_response.mimeType() == "application/x-ftp-directory") {
        callContinueAfterContentPolicy(this, PolicyUse);
        return;
    }
#endif

    frameLoader()->policyChecker()->checkContentPolicy(m_response.mimeType(), callContinueAfterContentPolicy, this);
}