NPError PluginView::load(const FrameLoadRequest& frameLoadRequest, bool sendNotification, void* notifyData)
{
ASSERT(frameLoadRequest.resourceRequest().httpMethod() == "GET" || frameLoadRequest.resourceRequest().httpMethod() == "POST");
KURL url = frameLoadRequest.resourceRequest().url();
if (url.isEmpty())
return NPERR_INVALID_URL;
// Don't allow requests to be made when the document loader is stopping all loaders.
if (m_parentFrame->loader()->documentLoader()->isStopping())
return NPERR_GENERIC_ERROR;
const String& targetFrameName = frameLoadRequest.frameName();
String jsString = scriptStringIfJavaScriptURL(url);
if (!jsString.isNull()) {
Settings* settings = m_parentFrame->settings();
// Return NPERR_GENERIC_ERROR if JS is disabled. This is what Mozilla does.
if (!settings || !settings->isJavaScriptEnabled())
return NPERR_GENERIC_ERROR;
// For security reasons, only allow JS requests to be made on the frame that contains the plug-in.
if (!targetFrameName.isNull() && m_parentFrame->tree()->find(targetFrameName) != m_parentFrame)
return NPERR_INVALID_PARAM;
} else if (!FrameLoader::canLoad(url, String(), m_parentFrame->document())) {
return NPERR_GENERIC_ERROR;
}
PluginRequest* request = new PluginRequest(frameLoadRequest, sendNotification, notifyData, arePopupsAllowed());
scheduleRequest(request);
return NPERR_NO_ERROR;
}
void createWindowForRequest(const FrameLoadRequest& request, LocalFrame& openerFrame, NavigationPolicy policy)
{
ASSERT(request.resourceRequest().requestorOrigin() || (openerFrame.document() && openerFrame.document()->url().isEmpty()));
if (openerFrame.document()->pageDismissalEventBeingDispatched() != Document::NoDismissal)
return;
if (openerFrame.document() && openerFrame.document()->isSandboxed(SandboxPopups))
return;
if (!LocalDOMWindow::allowPopUp(openerFrame))
return;
if (policy == NavigationPolicyCurrentTab)
policy = NavigationPolicyNewForegroundTab;
WindowFeatures features;
features.noopener = request.getShouldSetOpener() == NeverSetOpener;
bool created;
Frame* newFrame = createWindowHelper(openerFrame, openerFrame, openerFrame, request, features, policy, created);
if (!newFrame)
return;
if (request.getShouldSendReferrer() == MaybeSendReferrer) {
// TODO(japhet): Does ReferrerPolicy need to be proagated for RemoteFrames?
if (newFrame->isLocalFrame())
toLocalFrame(newFrame)->document()->setReferrerPolicy(openerFrame.document()->getReferrerPolicy());
}
// TODO(japhet): Form submissions on RemoteFrames don't work yet.
FrameLoadRequest newRequest(0, request.resourceRequest());
newRequest.setForm(request.form());
if (newFrame->isLocalFrame())
toLocalFrame(newFrame)->loader().load(newRequest);
}
bool PluginView::start()
{
if (m_isStarted)
return false;
PluginMainThreadScheduler::scheduler().registerPlugin(m_instance);
ASSERT(m_plugin);
ASSERT(m_plugin->pluginFuncs()->newp);
NPError npErr;
{
PluginView::setCurrentPluginView(this);
JSC::JSLock::DropAllLocks dropAllLocks(false);
setCallingPlugin(true);
npErr = m_plugin->pluginFuncs()->newp((NPMIMEType)m_mimeType.data(), m_instance, m_mode, m_paramCount, m_paramNames, m_paramValues, NULL);
setCallingPlugin(false);
LOG_NPERROR(npErr);
PluginView::setCurrentPluginView(0);
}
if (npErr != NPERR_NO_ERROR)
return false;
m_isStarted = true;
if (!m_url.isEmpty() && !m_loadManually) {
FrameLoadRequest frameLoadRequest;
frameLoadRequest.resourceRequest().setHTTPMethod("GET");
frameLoadRequest.resourceRequest().setURL(m_url);
load(frameLoadRequest, false, 0);
}
return true;
}
NPError PluginView::handlePost(const char* url, const char* target, uint32 len, const char* buf, bool file, void* notifyData, bool sendNotification, bool allowHeaders)
{
if (!url || !len || !buf)
return NPERR_INVALID_PARAM;
FrameLoadRequest frameLoadRequest;
HTTPHeaderMap headerFields;
Vector<char> buffer;
if (file) {
NPError readResult = handlePostReadFile(buffer, len, buf);
if(readResult != NPERR_NO_ERROR)
return readResult;
} else {
buffer.resize(len);
memcpy(buffer.data(), buf, len);
}
const char* postData = buffer.data();
int postDataLength = buffer.size();
if (allowHeaders) {
if (startsWithBlankLine(buffer)) {
postData++;
postDataLength--;
} else {
int location = locationAfterFirstBlankLine(buffer);
if (location != -1) {
// If the blank line is somewhere in the middle of the buffer, everything before is the header
headerFields = parseRFC822HeaderFields(buffer, location);
unsigned dataLength = buffer.size() - location;
// Sometimes plugins like to set Content-Length themselves when they post,
// but WebFoundation does not like that. So we will remove the header
// and instead truncate the data to the requested length.
String contentLength = headerFields.get("Content-Length");
if (!contentLength.isNull())
dataLength = min(contentLength.toInt(), (int)dataLength);
headerFields.remove("Content-Length");
postData += location;
postDataLength = dataLength;
}
}
}
frameLoadRequest.resourceRequest().setHTTPMethod("POST");
frameLoadRequest.resourceRequest().setURL(makeURL(m_baseURL, url));
frameLoadRequest.resourceRequest().addHTTPHeaderFields(headerFields);
frameLoadRequest.resourceRequest().setHTTPBody(FormData::create(postData, postDataLength));
frameLoadRequest.setFrameName(target);
return load(frameLoadRequest, sendNotification, notifyData);
}
NPError PluginView::getURL(const char* url, const char* target)
{
FrameLoadRequest frameLoadRequest;
frameLoadRequest.setFrameName(target);
frameLoadRequest.resourceRequest().setHTTPMethod("GET");
frameLoadRequest.resourceRequest().setURL(makeURL(m_baseURL, url));
return load(frameLoadRequest, false, 0);
}
NPError PluginView::getURLNotify(const char* url, const char* target, void* notifyData)
{
FrameLoadRequest frameLoadRequest;
frameLoadRequest.setFrameName(target);
frameLoadRequest.resourceRequest().setHTTPMethod("GET");
frameLoadRequest.resourceRequest().setURL(makeURL(m_baseURL, url));
return load(frameLoadRequest, true, notifyData);
}
void PluginView::loadURL(uint64_t requestID, const String& method, const String& urlString, const String& target,
const HTTPHeaderMap& headerFields, const Vector<char>& httpBody, bool allowPopups)
{
FrameLoadRequest frameLoadRequest;
frameLoadRequest.setFrameName(target);
frameLoadRequest.resourceRequest().setHTTPMethod(method);
frameLoadRequest.resourceRequest().setURL(m_pluginElement->document()->completeURL(urlString));
frameLoadRequest.resourceRequest().addHTTPHeaderFields(headerFields);
frameLoadRequest.resourceRequest().setHTTPBody(FormData::create(httpBody.data(), httpBody.size()));
m_pendingURLRequests.append(URLRequest::create(requestID, frameLoadRequest, allowPopups));
m_pendingURLRequestsTimer.startOneShot(0);
}
void createWindowForRequest(const FrameLoadRequest& request, Frame* openerFrame, NavigationPolicy policy, ShouldSendReferrer shouldSendReferrer)
{
if (openerFrame->document()->pageDismissalEventBeingDispatched() != Document::NoDismissal)
return;
if (openerFrame->document() && openerFrame->document()->isSandboxed(SandboxPopups))
return;
if (!DOMWindow::allowPopUp(openerFrame))
return;
if (policy == NavigationPolicyCurrentTab)
policy = NavigationPolicyNewForegroundTab;
WindowFeatures features;
bool created;
Frame* newFrame = createWindow(openerFrame, openerFrame, request, features, policy, shouldSendReferrer, created);
if (!newFrame)
return;
newFrame->page()->setOpenedByDOM();
if (shouldSendReferrer == MaybeSendReferrer) {
newFrame->loader().setOpener(openerFrame);
newFrame->document()->setReferrerPolicy(openerFrame->document()->referrerPolicy());
}
FrameLoadRequest newRequest(0, request.resourceRequest());
newRequest.setFormState(request.formState());
newFrame->loader().load(newRequest);
}
void FormSubmission::populateFrameLoadRequest(FrameLoadRequest& frameRequest)
{
if (!m_target.isEmpty())
frameRequest.setFrameName(m_target);
if (!m_referrer.isEmpty())
frameRequest.resourceRequest().setHTTPReferrer(m_referrer);
if (m_method == FormSubmission::PostMethod) {
frameRequest.resourceRequest().setHTTPMethod("POST");
frameRequest.resourceRequest().setHTTPBody(m_formData);
// construct some user headers if necessary
if (m_contentType.isNull() || m_contentType == "application/x-www-form-urlencoded") {
frameRequest.resourceRequest().setHTTPContentType(m_contentType);
} else { // contentType must be "multipart/form-data"
frameRequest.resourceRequest().setHTTPContentType(m_contentType + "; boundary=" + m_boundary);
}
}
frameRequest.resourceRequest().setURL(requestURL());
FrameLoader::addHTTPOriginIfNeeded(frameRequest.resourceRequest(), m_origin);
}
void FormSubmission::populateFrameLoadRequest(FrameLoadRequest& frameRequest)
{
if (!m_target.isEmpty())
frameRequest.setFrameName(m_target);
if (m_method == FormSubmission::PostMethod) {
frameRequest.resourceRequest().setHTTPMethod("POST");
frameRequest.resourceRequest().setHTTPBody(m_formData);
// construct some user headers if necessary
if (m_boundary.isEmpty())
frameRequest.resourceRequest().setHTTPContentType(m_contentType);
else
frameRequest.resourceRequest().setHTTPContentType(m_contentType + "; boundary=" + m_boundary);
}
frameRequest.resourceRequest().setURL(requestURL());
}
void FormSubmission::populateFrameLoadRequest(FrameLoadRequest& frameRequest)
{
if (!m_target.isEmpty())
frameRequest.setFrameName(m_target);
if (!m_referrer.isEmpty())
frameRequest.resourceRequest().setHTTPReferrer(m_referrer);
if (m_method == FormSubmission::PostMethod) {
frameRequest.resourceRequest().setHTTPMethod("POST");
frameRequest.resourceRequest().setHTTPBody(m_formData.copyRef());
// construct some user headers if necessary
if (m_boundary.isEmpty())
frameRequest.resourceRequest().setHTTPContentType(m_contentType);
else
frameRequest.resourceRequest().setHTTPContentType(m_contentType + "; boundary=" + m_boundary);
}
frameRequest.resourceRequest().setURL(requestURL());
FrameLoader::addHTTPOriginIfNeeded(frameRequest.resourceRequest(), m_origin);
FrameLoader::addHTTPUpgradeInsecureRequestsIfNeeded(frameRequest.resourceRequest());
}
static Frame* createWindow(Frame* openerFrame, Frame* lookupFrame, const FrameLoadRequest& request, const WindowFeatures& features, bool& created)
{
ASSERT(!features.dialog || request.frameName().isEmpty());
if (!request.frameName().isEmpty() && request.frameName() != "_blank") {
if (Frame* frame = lookupFrame->loader()->findFrameForNavigation(request.frameName(), openerFrame->document())) {
if (request.frameName() != "_self") {
if (Page* page = frame->page())
page->chrome().focus();
}
created = false;
return frame;
}
}
// Sandboxed frames cannot open new auxiliary browsing contexts.
if (openerFrame->document()->isSandboxed(SandboxPopups)) {
// FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
openerFrame->document()->addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, "Blocked opening '" + request.resourceRequest().url().elidedString() + "' in a new window because the request was made in a sandboxed frame whose 'allow-popups' permission is not set.");
return 0;
}
// FIXME: Setting the referrer should be the caller's responsibility.
FrameLoadRequest requestWithReferrer = request;
String referrer = SecurityPolicy::generateReferrerHeader(openerFrame->document()->referrerPolicy(), request.resourceRequest().url(), openerFrame->loader()->outgoingReferrer());
if (!referrer.isEmpty())
requestWithReferrer.resourceRequest().setHTTPReferrer(referrer);
FrameLoader::addHTTPOriginIfNeeded(requestWithReferrer.resourceRequest(), openerFrame->loader()->outgoingOrigin());
if (openerFrame->settings() && !openerFrame->settings()->supportsMultipleWindows()) {
created = false;
return openerFrame->tree()->top();
}
Page* oldPage = openerFrame->page();
if (!oldPage)
return 0;
NavigationAction action(requestWithReferrer.resourceRequest());
Page* page = oldPage->chrome().client()->createWindow(openerFrame, requestWithReferrer, features, action);
if (!page)
return 0;
Frame* frame = page->mainFrame();
frame->loader()->forceSandboxFlags(openerFrame->document()->sandboxFlags());
if (request.frameName() != "_blank")
frame->tree()->setName(request.frameName());
page->chrome().setWindowFeatures(features);
// 'x' and 'y' specify the location of the window, while 'width' and 'height'
// specify the size of the viewport. We can only resize the window, so adjust
// for the difference between the window size and the viewport size.
FloatRect windowRect = page->chrome().windowRect();
FloatSize viewportSize = page->chrome().pageRect().size();
if (features.xSet)
windowRect.setX(features.x);
if (features.ySet)
windowRect.setY(features.y);
if (features.widthSet)
windowRect.setWidth(features.width + (windowRect.width() - viewportSize.width()));
if (features.heightSet)
windowRect.setHeight(features.height + (windowRect.height() - viewportSize.height()));
// Ensure non-NaN values, minimum size as well as being within valid screen area.
FloatRect newWindowRect = DOMWindow::adjustWindowRect(page, windowRect);
page->chrome().setWindowRect(newWindowRect);
page->chrome().show();
created = true;
return frame;
}
void RemoteFrame::navigate(const FrameLoadRequest& passedRequest)
{
UserGestureStatus gesture = UserGestureIndicator::processingUserGesture() ? UserGestureStatus::Active : UserGestureStatus::None;
navigate(*passedRequest.originDocument(), passedRequest.resourceRequest().url(), passedRequest.replacesCurrentItem(), gesture);
}