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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "core/loader/MixedContentChecker.h"
#include "core/dom/Document.h"
#include "core/loader/FrameLoader.h"
#include "core/loader/FrameLoaderClient.h"
#include "core/frame/Frame.h"
#include "core/frame/Settings.h"
#include "platform/weborigin/SecurityOrigin.h"
namespace WebCore {
MixedContentChecker::MixedContentChecker(Frame* frame)
: m_frame(frame)
{
}
FrameLoaderClient* MixedContentChecker::client() const
{
return m_frame->loader().client();
}
// static
bool MixedContentChecker::isMixedContent(SecurityOrigin* securityOrigin, const KURL& url)
{
if (securityOrigin->protocol() != "https")
return false; // We only care about HTTPS security origins.
// We're in a secure context, so |url| is mixed content if it's insecure.
return !SecurityOrigin::isSecure(url);
}
bool MixedContentChecker::canDisplayInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
{
if (!isMixedContent(securityOrigin, url))
return true;
Settings* settings = m_frame->settings();
bool allowed = client()->allowDisplayingInsecureContent(settings && settings->allowDisplayOfInsecureContent(), securityOrigin, url);
logWarning(allowed, "displayed", url);
if (allowed)
client()->didDisplayInsecureContent();
return allowed;
}
bool MixedContentChecker::canRunInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
{
if (!isMixedContent(securityOrigin, url))
return true;
Settings* settings = m_frame->settings();
bool allowed = client()->allowRunningInsecureContent(settings && settings->allowRunningOfInsecureContent(), securityOrigin, url);
logWarning(allowed, "ran", url);
if (allowed)
client()->didRunInsecureContent(securityOrigin, url);
return allowed;
}
void MixedContentChecker::logWarning(bool allowed, const String& action, const KURL& target) const
{
String message = String(allowed ? "" : "[blocked] ") + "The page at '" + m_frame->document()->url().elidedString() + "' was loaded over HTTPS, but " + action + " insecure content from '" + target.elidedString() + "': this content should also be loaded over HTTPS.\n";
MessageLevel messageLevel = allowed ? WarningMessageLevel : ErrorMessageLevel;
m_frame->document()->addConsoleMessage(SecurityMessageSource, messageLevel, message);
}
} // namespace WebCore
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