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f7abc9050d
(The merge base is r180365, roughly three weeks behind where Sky forked from Blink at r181355.) sky/engine/bindings-dart was third_party/WebKit/Source/bindings/ R=rafaelw@chromium.org Review URL: https://codereview.chromium.org/875013003
104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "bindings/common/BindingSecurity.h"
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#include "bindings/common/ScriptState.h"
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#include "core/dom/Document.h"
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#include "core/html/HTMLFrameElementBase.h"
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#include "core/frame/LocalDOMWindow.h"
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#include "core/frame/LocalFrame.h"
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#include "core/frame/Settings.h"
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#include "core/html/HTMLFrameElementBase.h"
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#include "platform/weborigin/SecurityOrigin.h"
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namespace blink {
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static bool isDocumentAccessibleFromDOMWindow(Document* targetDocument, LocalDOMWindow* callingWindow)
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{
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if (!targetDocument)
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return false;
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if (!callingWindow)
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return false;
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if (callingWindow->document()->securityOrigin()->canAccess(targetDocument->securityOrigin()))
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return true;
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return false;
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}
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static bool canAccessDocument(ScriptState* scriptState, Document* targetDocument, ExceptionState& exceptionState)
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{
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LocalDOMWindow* callingWindow = scriptState->callingDOMWindow();
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if (isDocumentAccessibleFromDOMWindow(targetDocument, callingWindow))
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return true;
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if (targetDocument->domWindow())
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exceptionState.throwSecurityError(targetDocument->domWindow()->sanitizedCrossDomainAccessErrorMessage(callingWindow), targetDocument->domWindow()->crossDomainAccessErrorMessage(callingWindow));
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return false;
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}
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static bool canAccessDocument(ScriptState* scriptState, Document* targetDocument, SecurityReportingOption reportingOption = ReportSecurityError)
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{
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LocalDOMWindow* callingWindow = scriptState->callingDOMWindow();
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if (isDocumentAccessibleFromDOMWindow(targetDocument, callingWindow))
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return true;
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if (reportingOption == ReportSecurityError && targetDocument->domWindow()) {
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if (LocalFrame* frame = targetDocument->frame())
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frame->domWindow()->printErrorMessage(targetDocument->domWindow()->crossDomainAccessErrorMessage(callingWindow));
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}
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return false;
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}
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bool BindingSecurity::shouldAllowAccessToFrame(ScriptState* scriptState, Frame* target, SecurityReportingOption reportingOption)
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{
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if (!target || !target->isLocalFrame())
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return false;
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return canAccessDocument(scriptState, toLocalFrame(target)->document(), reportingOption);
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}
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bool BindingSecurity::shouldAllowAccessToFrame(ScriptState* scriptState, Frame* target, ExceptionState& exceptionState)
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{
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if (!target || !target->isLocalFrame())
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return false;
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return canAccessDocument(scriptState, toLocalFrame(target)->document(), exceptionState);
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}
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bool BindingSecurity::shouldAllowAccessToNode(ScriptState* scriptState, Node* target, ExceptionState& exceptionState)
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{
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return target && canAccessDocument(scriptState, &target->document(), exceptionState);
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}
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}
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