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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "DOMImplementation.h"
#include "CSSStyleSheet.h"
#include "ContentType.h"
#include "DocumentType.h"
#include "Element.h"
#include "FTPDirectoryDocument.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "HTMLDocument.h"
#include "HTMLHeadElement.h"
#include "HTMLTitleElement.h"
#include "Image.h"
#include "ImageDocument.h"
#include "MIMETypeRegistry.h"
#include "MainFrame.h"
#include "MediaDocument.h"
#include "MediaList.h"
#include "MediaPlayer.h"
#include "Page.h"
#include "PluginData.h"
#include "PluginDocument.h"
#include "SVGDocument.h"
#include "SVGNames.h"
#include "SecurityOrigin.h"
#include "SecurityOriginPolicy.h"
#include "Settings.h"
#include "StyleSheetContents.h"
#include "SubframeLoader.h"
#include "Text.h"
#include "TextDocument.h"
#include "XMLDocument.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
using namespace HTMLNames;
#if ENABLE(VIDEO)
class DOMImplementationSupportsTypeClient : public MediaPlayerSupportsTypeClient {
public:
DOMImplementationSupportsTypeClient(bool needsHacks, const String& host)
: m_needsHacks(needsHacks)
, m_host(host)
{
}
private:
bool mediaPlayerNeedsSiteSpecificHacks() const override { return m_needsHacks; }
String mediaPlayerDocumentHost() const override { return m_host; }
bool m_needsHacks;
String m_host;
};
#endif
DOMImplementation::DOMImplementation(Document& document)
: m_document(document)
{
}
ExceptionOr<Ref<DocumentType>> DOMImplementation::createDocumentType(const String& qualifiedName, const String& publicId, const String& systemId)
{
auto parseResult = Document::parseQualifiedName(qualifiedName);
if (parseResult.hasException())
return parseResult.releaseException();
return DocumentType::create(m_document, qualifiedName, publicId, systemId);
}
static inline Ref<XMLDocument> createXMLDocument(const String& namespaceURI)
{
if (namespaceURI == SVGNames::svgNamespaceURI)
return SVGDocument::create(nullptr, URL());
if (namespaceURI == HTMLNames::xhtmlNamespaceURI)
return XMLDocument::createXHTML(nullptr, URL());
return XMLDocument::create(nullptr, URL());
}
ExceptionOr<Ref<XMLDocument>> DOMImplementation::createDocument(const String& namespaceURI, const String& qualifiedName, DocumentType* documentType)
{
auto document = createXMLDocument(namespaceURI);
document->setContextDocument(m_document.contextDocument());
document->setSecurityOriginPolicy(m_document.securityOriginPolicy());
RefPtr<Element> documentElement;
if (!qualifiedName.isEmpty()) {
ASSERT(!document->domWindow()); // If domWindow is not null, createElementNS could find CustomElementRegistry and arbitrary scripts.
auto result = document->createElementNS(namespaceURI, qualifiedName);
if (result.hasException())
return result.releaseException();
documentElement = result.releaseReturnValue();
}
if (documentType)
document->appendChild(*documentType);
if (documentElement)
document->appendChild(*documentElement);
return WTFMove(document);
}
Ref<CSSStyleSheet> DOMImplementation::createCSSStyleSheet(const String&, const String& media)
{
// FIXME: Title should be set.
// FIXME: Media could have wrong syntax, in which case we should generate an exception.
auto sheet = CSSStyleSheet::create(StyleSheetContents::create());
sheet->setMediaQueries(MediaQuerySet::create(media));
return sheet;
}
Ref<HTMLDocument> DOMImplementation::createHTMLDocument(const String& title)
{
auto document = HTMLDocument::create(nullptr, URL());
document->open();
document->write("<!doctype html><html><head></head><body></body></html>");
if (!title.isNull()) {
auto titleElement = HTMLTitleElement::create(titleTag, document);
titleElement->appendChild(document->createTextNode(title));
ASSERT(document->head());
document->head()->appendChild(titleElement);
}
document->setContextDocument(m_document.contextDocument());
document->setSecurityOriginPolicy(m_document.securityOriginPolicy());
return document;
}
Ref<Document> DOMImplementation::createDocument(const String& type, Frame* frame, const URL& url)
{
// FIXME: Confusing to have this here with public DOM APIs for creating documents. This is different enough that it should perhaps be moved.
// FIXME: This function is doing case insensitive comparisons on MIME types. Should do equalLettersIgnoringASCIICase instead.
// Plugins cannot take HTML and XHTML from us, and we don't even need to initialize the plugin database for those.
if (type == "text/html")
return HTMLDocument::create(frame, url);
if (type == "application/xhtml+xml")
return XMLDocument::createXHTML(frame, url);
#if ENABLE(FTPDIR)
// Plugins cannot take FTP from us either
if (type == "application/x-ftp-directory")
return FTPDirectoryDocument::create(frame, url);
#endif
// If we want to useImageDocumentForSubframePDF, we'll let that override plugin support.
if (frame && !frame->isMainFrame() && MIMETypeRegistry::isPDFMIMEType(type) && frame->settings().useImageDocumentForSubframePDF())
return ImageDocument::create(*frame, url);
PluginData* pluginData = nullptr;
auto allowedPluginTypes = PluginData::OnlyApplicationPlugins;
if (frame && frame->page()) {
if (frame->loader().subframeLoader().allowPlugins())
allowedPluginTypes = PluginData::AllPlugins;
pluginData = &frame->page()->pluginData();
}
// PDF is one image type for which a plugin can override built-in support.
// We do not want QuickTime to take over all image types, obviously.
if (MIMETypeRegistry::isPDFOrPostScriptMIMEType(type) && pluginData && pluginData->supportsWebVisibleMimeType(type, allowedPluginTypes))
return PluginDocument::create(frame, url);
if (Image::supportsType(type))
return ImageDocument::create(*frame, url);
#if ENABLE(VIDEO)
// Check to see if the type can be played by our MediaPlayer, if so create a MediaDocument
// Key system is not applicable here.
DOMImplementationSupportsTypeClient client(frame && frame->settings().needsSiteSpecificQuirks(), url.host());
MediaEngineSupportParameters parameters;
parameters.type = type;
parameters.url = url;
if (MediaPlayer::supportsType(parameters, &client))
return MediaDocument::create(frame, url);
#endif
// Everything else except text/plain can be overridden by plugins. In particular, Adobe SVG Viewer should be used for SVG, if installed.
// Disallowing plug-ins to use text/plain prevents plug-ins from hijacking a fundamental type that the browser is expected to handle,
// and also serves as an optimization to prevent loading the plug-in database in the common case.
if (type != "text/plain" && ((pluginData && pluginData->supportsWebVisibleMimeType(type, allowedPluginTypes)) || (frame && frame->loader().client().shouldAlwaysUsePluginDocument(type))))
return PluginDocument::create(frame, url);
if (MIMETypeRegistry::isTextMIMEType(type))
return TextDocument::create(frame, url);
if (type == "image/svg+xml")
return SVGDocument::create(frame, url);
if (MIMETypeRegistry::isXMLMIMEType(type))
return XMLDocument::create(frame, url);
return HTMLDocument::create(frame, url);
}
}
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