Esempio n. 1
0
HRESULT STDMETHODCALLTYPE WebDataSource::subresourceForURL( 
    /* [in] */ BSTR url,
    /* [retval][out] */ IWebResource** resource)
{
    if (!resource) {
        ASSERT_NOT_REACHED();
        return E_POINTER;
    }

    *resource = 0;

    Document *doc = m_loader->frameLoader()->frame().document();

    if (!doc)
        return E_FAIL;

    CachedResource *cachedResource = doc->cachedResourceLoader()->cachedResource(String(url));

    if (!cachedResource)
        return E_FAIL;

    ResourceBuffer* buffer = cachedResource->resourceBuffer();
    *resource = WebResource::createInstance(buffer ? buffer->sharedBuffer() : 0, cachedResource->response());
    return S_OK;
}
Esempio n. 2
0
void TextTrackLoader::processNewCueData(CachedResource* resource)
{
    ASSERT(m_cachedCueData == resource);

    if (m_state == Failed || !resource->resourceBuffer())
        return;

    ResourceBuffer* buffer = resource->resourceBuffer();
    if (m_parseOffset == buffer->size())
        return;

    if (!m_cueParser)
        m_cueParser = WebVTTParser::create(this, m_scriptExecutionContext);

    const char* data;
    unsigned length;

    while ((length = buffer->getSomeData(data, m_parseOffset))) {
        m_cueParser->parseBytes(data, length);
        m_parseOffset += length;
    }
}
Esempio n. 3
0
PassRefPtr<ArchiveResource> DocumentLoader::subresource(const KURL& url) const
{
    if (!isCommitted())
        return 0;
    
    CachedResource* resource = m_cachedResourceLoader->cachedResource(url);
    if (!resource || !resource->isLoaded())
        return archiveResourceForURL(url);

    if (resource->type() == CachedResource::MainResource)
        return 0;

    // FIXME: This has the side effect of making the resource non-purgeable.
    // It would be better if it didn't have this permanent effect.
    if (!resource->makePurgeable(false))
        return 0;

    ResourceBuffer* data = resource->resourceBuffer();
    if (!data)
        return 0;

    return ArchiveResource::create(data->sharedBuffer(), url, resource->response());
}
Esempio n. 4
0
PassRefPtr<LegacyWebArchive> LegacyWebArchive::create(const String& markupString, Frame* frame, const Vector<Node*>& nodes, FrameFilter* frameFilter)
{
    ASSERT(frame);
    
    const ResourceResponse& response = frame->loader().documentLoader()->response();
    URL responseURL = response.url();
    
    // it's possible to have a response without a URL here
    // <rdar://problem/5454935>
    if (responseURL.isNull())
        responseURL = URL(ParsedURLString, emptyString());
        
    RefPtr<ArchiveResource> mainResource = ArchiveResource::create(utf8Buffer(markupString), responseURL, response.mimeType(), "UTF-8", frame->tree().uniqueName());

    Vector<PassRefPtr<LegacyWebArchive>> subframeArchives;
    Vector<PassRefPtr<ArchiveResource>> subresources;
    HashSet<URL> uniqueSubresources;

    size_t nodesSize = nodes.size();    
    for (size_t i = 0; i < nodesSize; ++i) {
        Node& node = *nodes[i];
        Frame* childFrame;
        if ((isHTMLFrameElement(node) || isHTMLIFrameElement(node) || isHTMLObjectElement(node))
            && (childFrame = toHTMLFrameOwnerElement(node).contentFrame())) {
            if (frameFilter && !frameFilter->shouldIncludeSubframe(childFrame))
                continue;
                
            RefPtr<LegacyWebArchive> subframeArchive = create(childFrame->document(), frameFilter);
            
            if (subframeArchive)
                subframeArchives.append(subframeArchive);
            else
                LOG_ERROR("Unabled to archive subframe %s", childFrame->tree().uniqueName().string().utf8().data());
        } else {
            ListHashSet<URL> subresourceURLs;
            node.getSubresourceURLs(subresourceURLs);
            
            DocumentLoader* documentLoader = frame->loader().documentLoader();
            ListHashSet<URL>::iterator iterEnd = subresourceURLs.end();
            for (ListHashSet<URL>::iterator iter = subresourceURLs.begin(); iter != iterEnd; ++iter) {
                const URL& subresourceURL = *iter;
                if (uniqueSubresources.contains(subresourceURL))
                    continue;

                uniqueSubresources.add(subresourceURL);

                RefPtr<ArchiveResource> resource = documentLoader->subresource(subresourceURL);
                if (resource) {
                    subresources.append(resource.release());
                    continue;
                }

                ResourceRequest request(subresourceURL);
#if ENABLE(CACHE_PARTITIONING)
                request.setCachePartition(frame->document()->topOrigin()->cachePartition());
#endif
                CachedResource* cachedResource = memoryCache()->resourceForRequest(request);
                if (cachedResource) {
                    ResourceBuffer* data = cachedResource->resourceBuffer();
                    resource = ArchiveResource::create(data ? data->sharedBuffer() : 0, subresourceURL, cachedResource->response());
                    if (resource) {
                        subresources.append(resource.release());
                        continue;
                    }
                }

                // FIXME: should do something better than spew to console here
                LOG_ERROR("Failed to archive subresource for %s", subresourceURL.string().utf8().data());
            }
        }
    }

    // Add favicon if one exists for this page, if we are archiving the entire page.
    if (nodesSize && nodes[0]->isDocumentNode() && iconDatabase().isEnabled()) {
        const String& iconURL = iconDatabase().synchronousIconURLForPageURL(responseURL);
        if (!iconURL.isEmpty() && iconDatabase().synchronousIconDataKnownForIconURL(iconURL)) {
            if (Image* iconImage = iconDatabase().synchronousIconForPageURL(responseURL, IntSize(16, 16))) {
                if (RefPtr<ArchiveResource> resource = ArchiveResource::create(iconImage->data(), URL(ParsedURLString, iconURL), "image/x-icon", "", ""))
                    subresources.append(resource.release());
            }
        }
    }

    return create(mainResource.release(), subresources, subframeArchives);
}