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/*
* Copyright (C) 2020 Igalia S.L.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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.
*/
#include "config.h"
#include "WebContentReader.h"
#include "Blob.h"
#include "BlobURL.h"
#include "DOMURL.h"
#include "Document.h"
#include "DocumentFragment.h"
#include "Editor.h"
#include "LocalFrame.h"
#include "Page.h"
#include "Settings.h"
#include "markup.h"
#include <wtf/URL.h>
namespace WebCore {
bool WebContentReader::readFilePath(const String& path, PresentationSize, const String&)
{
if (path.isEmpty() || !frame.document())
return false;
auto markup = urlToMarkup(URL({ }, path), path);
addFragment(createFragmentFromMarkup(*frame.document(), markup, "file://"_s, { }));
return true;
}
bool WebContentReader::readHTML(const String& string)
{
if (frame.settings().preferMIMETypeForImages() || !frame.document())
return false;
addFragment(createFragmentFromMarkup(*frame.document(), string, emptyString(), { }));
return true;
}
bool WebContentReader::readPlainText(const String& text)
{
if (!allowPlainText)
return false;
addFragment(createFragmentFromText(context, text));
madeFragmentFromPlainText = true;
return true;
}
bool WebContentReader::readImage(Ref<FragmentedSharedBuffer>&& buffer, const String& type, PresentationSize preferredPresentationSize)
{
ASSERT(frame.document());
auto& document = *frame.document();
addFragment(createFragmentForImageAndURL(document, DOMURL::createObjectURL(document, Blob::create(&document, buffer->extractData(), type)), preferredPresentationSize));
return fragment;
}
bool WebContentReader::readURL(const URL&, const String&)
{
return false;
}
static bool shouldReplaceSubresourceURL(const URL& url)
{
return !(url.protocolIsInHTTPFamily() || url.protocolIsData());
}
bool WebContentMarkupReader::readHTML(const String& string)
{
if (!frame.document())
return false;
if (shouldSanitize()) {
markup = sanitizeMarkup(string, MSOListQuirks::Disabled, Function<void(DocumentFragment&)> { [](DocumentFragment& fragment) {
removeSubresourceURLAttributes(fragment, [](const URL& url) {
return shouldReplaceSubresourceURL(url);
});
} });
} else
markup = string;
return !markup.isEmpty();
}
} // namespace WebCore
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