122 lines
4.7 KiB
C++
122 lines
4.7 KiB
C++
/*
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* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
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* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
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* Copyright (C) 2013 Michael Pruett <michael@68k.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "JSDOMBindingSecurity.h"
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#include "DOMWindow.h"
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#include "Document.h"
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#include "Frame.h"
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#include "HTTPParsers.h"
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#include "JSDOMExceptionHandling.h"
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#include "JSDOMWindowBase.h"
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#include "SecurityOrigin.h"
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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using namespace JSC;
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void printErrorMessageForFrame(Frame* frame, const String& message)
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{
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if (!frame)
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return;
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frame->document()->domWindow()->printErrorMessage(message);
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}
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static inline bool canAccessDocument(JSC::JSGlobalObject* lexicalGlobalObject, Document* targetDocument, SecurityReportingOption reportingOption)
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{
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if (!targetDocument)
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return false;
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if (auto* templateHost = targetDocument->templateDocumentHost())
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targetDocument = templateHost;
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DOMWindow& active = activeDOMWindow(*lexicalGlobalObject);
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if (active.document()->securityOrigin().isSameOriginDomain(targetDocument->securityOrigin()))
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return true;
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switch (reportingOption) {
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case ThrowSecurityError: {
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VM& vm = lexicalGlobalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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throwSecurityError(*lexicalGlobalObject, scope, targetDocument->domWindow()->crossDomainAccessErrorMessage(active, IncludeTargetOrigin::No));
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break;
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}
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case LogSecurityError:
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printErrorMessageForFrame(targetDocument->frame(), targetDocument->domWindow()->crossDomainAccessErrorMessage(active, IncludeTargetOrigin::Yes));
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break;
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case DoNotReportSecurityError:
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break;
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}
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return false;
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}
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bool BindingSecurity::shouldAllowAccessToFrame(JSGlobalObject& lexicalGlobalObject, Frame& frame, String& message)
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{
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if (BindingSecurity::shouldAllowAccessToFrame(&lexicalGlobalObject, &frame, DoNotReportSecurityError))
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return true;
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message = frame.document()->domWindow()->crossDomainAccessErrorMessage(activeDOMWindow(lexicalGlobalObject), IncludeTargetOrigin::No);
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return false;
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}
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bool BindingSecurity::shouldAllowAccessToDOMWindow(JSGlobalObject& lexicalGlobalObject, DOMWindow* globalObject, String& message)
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{
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return globalObject && shouldAllowAccessToDOMWindow(lexicalGlobalObject, *globalObject, message);
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}
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bool BindingSecurity::shouldAllowAccessToDOMWindow(JSGlobalObject& lexicalGlobalObject, DOMWindow& globalObject, String& message)
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{
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VM& vm = lexicalGlobalObject.vm();
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auto scope = DECLARE_CATCH_SCOPE(vm);
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bool shouldAllowAccess = BindingSecurity::shouldAllowAccessToDOMWindow(&lexicalGlobalObject, globalObject, DoNotReportSecurityError);
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EXCEPTION_ASSERT_UNUSED(scope, !scope.exception());
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if (shouldAllowAccess)
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return true;
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message = globalObject.crossDomainAccessErrorMessage(activeDOMWindow(lexicalGlobalObject), IncludeTargetOrigin::No);
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return false;
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}
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bool BindingSecurity::shouldAllowAccessToDOMWindow(JSC::JSGlobalObject* lexicalGlobalObject, DOMWindow& target, SecurityReportingOption reportingOption)
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{
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return canAccessDocument(lexicalGlobalObject, target.document(), reportingOption);
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}
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bool BindingSecurity::shouldAllowAccessToDOMWindow(JSC::JSGlobalObject* lexicalGlobalObject, DOMWindow* target, SecurityReportingOption reportingOption)
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{
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return target && shouldAllowAccessToDOMWindow(lexicalGlobalObject, *target, reportingOption);
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}
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bool BindingSecurity::shouldAllowAccessToFrame(JSC::JSGlobalObject* lexicalGlobalObject, Frame* target, SecurityReportingOption reportingOption)
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{
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return target && canAccessDocument(lexicalGlobalObject, target->document(), reportingOption);
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}
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bool BindingSecurity::shouldAllowAccessToNode(JSC::JSGlobalObject& lexicalGlobalObject, Node* target)
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{
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return !target || canAccessDocument(&lexicalGlobalObject, &target->document(), LogSecurityError);
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}
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} // namespace WebCore
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