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js/xpconnect/wrappers/WrapperFactory.h@129ffea94266 (annotated)

js/xpconnect/wrappers/WrapperFactory.h

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0	2	/* vim: set ts=8 sts=4 et sw=4 tw=99: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef _xpc_WRAPPERFACTORY_H
michael@0	8	#define _xpc_WRAPPERFACTORY_H
michael@0	9
michael@0	10	#include "jswrapper.h"
michael@0	11
michael@0	12	namespace xpc {
michael@0	13
michael@0	14	class WrapperFactory {
michael@0	15	public:
michael@0	16	enum { WAIVE_XRAY_WRAPPER_FLAG = js::Wrapper::LAST_USED_FLAG << 1,
michael@0	17	IS_XRAY_WRAPPER_FLAG = WAIVE_XRAY_WRAPPER_FLAG << 1 };
michael@0	18
michael@0	19	// Return true if any of any of the nested wrappers have the flag set.
michael@0	20	static bool HasWrapperFlag(JSObject *wrapper, unsigned flag) {
michael@0	21	unsigned flags = 0;
michael@0	22	js::UncheckedUnwrap(wrapper, true, &flags);
michael@0	23	return !!(flags & flag);
michael@0	24	}
michael@0	25
michael@0	26	static bool IsXrayWrapper(JSObject *wrapper) {
michael@0	27	return HasWrapperFlag(wrapper, IS_XRAY_WRAPPER_FLAG);
michael@0	28	}
michael@0	29
michael@0	30	static bool HasWaiveXrayFlag(JSObject *wrapper) {
michael@0	31	return HasWrapperFlag(wrapper, WAIVE_XRAY_WRAPPER_FLAG);
michael@0	32	}
michael@0	33
michael@0	34	static bool IsSecurityWrapper(JSObject *obj) {
michael@0	35	return !js::CheckedUnwrap(obj);
michael@0	36	}
michael@0	37
michael@0	38	static bool IsCOW(JSObject *wrapper);
michael@0	39
michael@0	40	static JSObject *GetXrayWaiver(JS::HandleObject obj);
michael@0	41	static JSObject *CreateXrayWaiver(JSContext *cx, JS::HandleObject obj);
michael@0	42	static JSObject *WaiveXray(JSContext *cx, JSObject *obj);
michael@0	43
michael@0	44	static JSObject *DoubleWrap(JSContext *cx, JS::HandleObject obj, unsigned flags);
michael@0	45
michael@0	46	// Prepare a given object for wrapping in a new compartment.
michael@0	47	static JSObject *PrepareForWrapping(JSContext *cx,
michael@0	48	JS::HandleObject scope,
michael@0	49	JS::HandleObject obj,
michael@0	50	unsigned flags);
michael@0	51
michael@0	52	// Rewrap an object that is about to cross compartment boundaries.
michael@0	53	static JSObject *Rewrap(JSContext *cx,
michael@0	54	JS::HandleObject existing,
michael@0	55	JS::HandleObject obj,
michael@0	56	JS::HandleObject wrappedProto,
michael@0	57	JS::HandleObject parent,
michael@0	58	unsigned flags);
michael@0	59
michael@0	60	// Wrap wrapped object into a waiver wrapper and then re-wrap it.
michael@0	61	static bool WaiveXrayAndWrap(JSContext *cx, JS::MutableHandleValue vp);
michael@0	62	static bool WaiveXrayAndWrap(JSContext *cx, JS::MutableHandleObject object);
michael@0	63
michael@0	64	// Returns true if the wrapper is in not shadowing mode for the id.
michael@0	65	static bool XrayWrapperNotShadowing(JSObject *wrapper, jsid id);
michael@0	66	};
michael@0	67
michael@0	68	extern js::Wrapper XrayWaiver;
michael@0	69
michael@0	70	}
michael@0	71
michael@0	72	#endif /* _xpc_WRAPPERFACTORY_H */