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/*
* Copyright (C) 2009 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef BindingSecurity_h
#define BindingSecurity_h
#include "core/CoreExport.h"
#include "wtf/Allocator.h"
#include <v8.h>
namespace blink {
class DOMWindow;
class EventTarget;
class ExceptionState;
class ExecutionContext;
class Frame;
class LocalDOMWindow;
class Location;
class MainThreadWorkletGlobalScope;
class Node;
enum SecurityReportingOption {
DoNotReportSecurityError,
ReportSecurityError,
};
// TODO(yukishiino): Remove the first argument of v8::Isolate*. These functions
// just check if it's accessible or not, and never create anything. So there is
// no need to pass the isolate.
class CORE_EXPORT BindingSecurity {
STATIC_ONLY(BindingSecurity);
public:
// Check if the caller (|accessingWindow|) is allowed to access the JS
// receiver object (|target|), where the receiver object is the JS object
// for which the DOM attribute or DOM operation is being invoked (in the
// form of receiver.domAttr or receiver.domOp()).
// Note that only Window and Location objects are cross-origin accessible
// and that EventTarget interface is the parent interface of Window
// interface. So the receiver object must be of type DOMWindow,
// EventTarget, or Location.
//
// DOMWindow
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const DOMWindow* target, ExceptionState&);
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const DOMWindow* target, SecurityReportingOption);
// EventTarget (as the parent of DOMWindow)
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const EventTarget* target, ExceptionState&); // NOLINT(readability/parameter_name)
// Location
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const Location* target, ExceptionState&);
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const Location* target, SecurityReportingOption);
// MainThreadWorkletGlobalScope
static bool shouldAllowAccessTo(v8::Isolate*, v8::Local<v8::Context>, const ExecutionContext*, const MainThreadWorkletGlobalScope*, SecurityReportingOption);
static bool shouldAllowAccessTo(v8::Isolate*, v8::Local<v8::Context> calling, v8::Local<v8::Context> target, SecurityReportingOption);
// Prefer to use the previous overloads instead of falling back to using
// Frame*.
static bool shouldAllowAccessToFrame(v8::Isolate*, const LocalDOMWindow* accessingWindow, const Frame* target, SecurityReportingOption); // OBSOLETE
// Check if the caller (|accessingWindow|) is allowed to access the JS
// returned object (|target|), where the returned object is the JS object
// which is returned as a result of invoking a DOM attribute or DOM
// operation (in the form of
// var x = receiver.domAttr // or receiver.domOp()
// where |x| is the returned object).
// See window.frameElement for example, which may return a frame object.
// The object returned from window.frameElement must be the same origin if
// it's not null.
//
// Node
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const Node* target, ExceptionState&);
static bool shouldAllowAccessTo(v8::Isolate*, const LocalDOMWindow* accessingWindow, const Node* target, SecurityReportingOption);
};
} // namespace blink
#endif