Ejemplo n.º 1
0
static bool
IsFrameId(JSContext* cx, JSObject* obj, jsid idArg)
{
    MOZ_ASSERT(!js::IsWrapper(obj));
    RootedId id(cx, idArg);

    nsGlobalWindow* win = WindowOrNull(obj);
    if (!win) {
        return false;
    }

    nsCOMPtr<nsIDOMWindowCollection> col = win->GetFrames();
    if (!col) {
        return false;
    }

    nsCOMPtr<nsIDOMWindow> domwin;
    if (JSID_IS_INT(id)) {
        col->Item(JSID_TO_INT(id), getter_AddRefs(domwin));
    } else if (JSID_IS_STRING(id)) {
        nsAutoJSString idAsString;
        if (!idAsString.init(cx, JSID_TO_STRING(id))) {
            return false;
        }
        col->NamedItem(idAsString, getter_AddRefs(domwin));
    }

    return domwin != nullptr;
}
Ejemplo n.º 2
0
StringData ObjectWrapper::Key::toStringData(JSContext* cx, JSStringWrapper* jsstr) {
    if (_type == Type::Field) {
        return _field;
    }

    if (_type == Type::Index) {
        *jsstr = JSStringWrapper(_idx);
        return jsstr->toStringData();
    }

    JS::RootedId rid(cx);

    if (_type == Type::Id) {
        rid.set(_id);
    } else {
        InternedStringId id(cx, _internedString);
        rid.set(id);
    }

    if (JSID_IS_INT(rid)) {
        *jsstr = JSStringWrapper(JSID_TO_INT(rid));
        return jsstr->toStringData();
    }

    if (JSID_IS_STRING(rid)) {
        *jsstr = JSStringWrapper(cx, JSID_TO_STRING(rid));
        return jsstr->toStringData();
    }

    uasserted(ErrorCodes::BadValue, "Couldn't convert key to String");
}
Ejemplo n.º 3
0
/* @location_class.setProperty */
static JSBool
location_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
{
	JSObject *parent_win;	/* instance of @window_class */
	struct view_state *vs;
	struct document_view *doc_view;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &location_class, NULL))
		return JS_FALSE;
	parent_win = JS_GetParent(ctx, obj);
	assert(JS_InstanceOf(ctx, parent_win, (JSClass *) &window_class, NULL));
	if_assert_failed return JS_FALSE;

	vs = (struct view_state *)JS_GetInstancePrivate(ctx, parent_win,
				   (JSClass *) &window_class, NULL);
	doc_view = vs->doc_view;

	if (!JSID_IS_INT(id))
		return JS_TRUE;

	switch (JSID_TO_INT(id)) {
	case JSP_LOC_HREF:
		location_goto(doc_view, jsval_to_string(ctx, vp));
		break;
	}

	return JS_TRUE;
}
Ejemplo n.º 4
0
JSBool JavaObject::setProperty(JSContext* ctx, JSObject* obj, jsid id,
    JSBool strict, jsval* vp) {
#endif //GECKO_VERSION

  Debug::log(Debug::Spam) << "JavaObject::setProperty obj=" << obj << Debug::flush;
  if (!JSID_IS_INT(id)) {
    Debug::log(Debug::Error) << "  Error: setting string property id" << Debug::flush;
    // TODO: throw a better exception here
    return JS_FALSE;
  }

  SessionData* data = JavaObject::getSessionData(ctx, obj);
  if (!data) {
    return JS_TRUE;
  }

  int objectRef = JavaObject::getObjectId(ctx, obj);
  int dispId = JSID_TO_INT(id);

  Value value;
  data->makeValueFromJsval(value, ctx, *vp);

  HostChannel* channel = data->getHostChannel();
  SessionHandler* handler = data->getSessionHandler();

  if (!ServerMethods::setProperty(*channel, handler, objectRef, dispId, value)) {
    // TODO: throw a better exception here
    return JS_FALSE;
  }
  return JS_TRUE;
}
Ejemplo n.º 5
0
/* @smjs_globhist_item_class.setProperty */
static JSBool
smjs_globhist_item_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
{
	struct global_history_item *history_item;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &smjs_globhist_item_class, NULL))
		return JS_FALSE;

	history_item = JS_GetInstancePrivate(ctx, obj,
					     (JSClass *) &smjs_globhist_item_class,
					     NULL);

	if (!history_item) return JS_FALSE;

	if (!JSID_IS_INT(id))
		return JS_FALSE;

	switch (JSID_TO_INT(id)) {
	case GLOBHIST_TITLE: {
		JSString *jsstr = JS_ValueToString(smjs_ctx, *vp);
		unsigned char *str = JS_EncodeString(smjs_ctx, jsstr);

		mem_free_set(&history_item->title, stracpy(str));

		return JS_TRUE;
	}
	case GLOBHIST_URL: {
		JSString *jsstr = JS_ValueToString(smjs_ctx, *vp);
		unsigned char *str = JS_EncodeString(smjs_ctx, jsstr);

		mem_free_set(&history_item->url, stracpy(str));

		return JS_TRUE;
	}
	case GLOBHIST_LAST_VISIT: {
		uint32 seconds;

		/* Bug 923: Assumes time_t values fit in uint32.  */
		JS_ValueToECMAUint32(smjs_ctx, *vp, &seconds);
		history_item->last_visit = seconds;

		return JS_TRUE;
	}
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case.
		 * Do the same here.  */
		return JS_TRUE;
	}
}
NS_IMETHODIMP
StatementParams::Resolve(nsIXPConnectWrappedNative *aWrapper,
                         JSContext *aCtx,
                         JSObject *aScopeObj,
                         jsid aId,
                         bool *resolvedp,
                         bool *_retval)
{
  NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
  // We do not throw at any point after this unless our index is out of range
  // because we want to allow the prototype chain to be checked for the
  // property.

  JS::RootedObject scope(aCtx, aScopeObj);
  JS::RootedId id(aCtx, aId);
  bool resolved = false;
  bool ok = true;
  if (JSID_IS_INT(id)) {
    uint32_t idx = JSID_TO_INT(id);

    // Ensure that our index is within range.  We do not care about the
    // prototype chain being checked here.
    if (idx >= mParamCount)
      return NS_ERROR_INVALID_ARG;

    ok = ::JS_DefineElement(aCtx, scope, idx, JS::UndefinedHandleValue,
                            JSPROP_ENUMERATE | JSPROP_RESOLVING);
    resolved = true;
  }
  else if (JSID_IS_STRING(id)) {
    JSString *str = JSID_TO_STRING(id);
    nsAutoJSString autoStr;
    if (!autoStr.init(aCtx, str)) {
      return NS_ERROR_FAILURE;
    }

    // Check to see if there's a parameter with this name, and if not, let
    // the rest of the prototype chain be checked.
    NS_ConvertUTF16toUTF8 name(autoStr);
    uint32_t idx;
    nsresult rv = mStatement->GetParameterIndex(name, &idx);
    if (NS_SUCCEEDED(rv)) {
      ok = ::JS_DefinePropertyById(aCtx, scope, id, JS::UndefinedHandleValue,
                                   JSPROP_ENUMERATE | JSPROP_RESOLVING);
      resolved = true;
    }
  }

  *_retval = ok;
  *resolvedp = resolved && ok;
  return NS_OK;
}
NS_IMETHODIMP
StatementParams::NewResolve(nsIXPConnectWrappedNative *aWrapper,
                            JSContext *aCtx,
                            JSObject *aScopeObj,
                            jsid aId,
                            uint32_t aFlags,
                            JSObject **_objp,
                            bool *_retval)
{
  NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
  // We do not throw at any point after this unless our index is out of range
  // because we want to allow the prototype chain to be checked for the
  // property.

  JS::RootedObject scope(aCtx, aScopeObj);
  JS::RootedId id(aCtx, aId);
  bool resolved = false;
  bool ok = true;
  if (JSID_IS_INT(id)) {
    uint32_t idx = JSID_TO_INT(id);

    // Ensure that our index is within range.  We do not care about the
    // prototype chain being checked here.
    if (idx >= mParamCount)
      return NS_ERROR_INVALID_ARG;

    ok = ::JS_DefineElement(aCtx, scope, idx, JSVAL_VOID, nullptr,
                            nullptr, JSPROP_ENUMERATE);
    resolved = true;
  }
  else if (JSID_IS_STRING(id)) {
    JSString *str = JSID_TO_STRING(id);
    size_t nameLength;
    const jschar *nameChars = JS_GetStringCharsAndLength(aCtx, str, &nameLength);
    NS_ENSURE_TRUE(nameChars, NS_ERROR_UNEXPECTED);

    // Check to see if there's a parameter with this name, and if not, let
    // the rest of the prototype chain be checked.
    NS_ConvertUTF16toUTF8 name(nameChars, nameLength);
    uint32_t idx;
    nsresult rv = mStatement->GetParameterIndex(name, &idx);
    if (NS_SUCCEEDED(rv)) {
      ok = ::JS_DefinePropertyById(aCtx, scope, id, JSVAL_VOID, nullptr,
                                   nullptr, JSPROP_ENUMERATE);
      resolved = true;
    }
  }

  *_retval = ok;
  *_objp = resolved && ok ? scope.get() : nullptr;
  return NS_OK;
}
Ejemplo n.º 8
0
StringData IdWrapper::toStringData(JSStringWrapper* jsstr) const {
    if (JSID_IS_STRING(_value)) {
        *jsstr = JSStringWrapper(_context, JSID_TO_STRING(_value));
    } else if (JSID_IS_INT(_value)) {
        *jsstr = JSStringWrapper(JSID_TO_INT(_value));
    } else {
        throwCurrentJSException(_context,
                                ErrorCodes::TypeMismatch,
                                "Cannot toString() non-string and non-integer jsid");
    }

    return jsstr->toStringData();
}
Ejemplo n.º 9
0
JSBool JavaObject::getProperty(JSContext* ctx, JSObject* obj, jsid id,
    jsval* rval) {
  Debug::log(Debug::Spam) << "JavaObject::getProperty obj=" << obj << Debug::flush;
  SessionData* data = JavaObject::getSessionData(ctx, obj);
  if (!data) {
    // TODO: replace the frame with an error page instead?
    *rval = JSVAL_VOID;
    return JS_TRUE;
  }
  int objectRef = JavaObject::getObjectId(ctx, obj);
  if (JSID_IS_STRING(id)) {
    JSString* str = JSID_TO_STRING(id);
    if ((JS_GetStringEncodingLength(ctx, str) == 8) && !strncmp("toString",
          JS_EncodeString(ctx, str), 8)) {
      *rval = data->getToStringTearOff();
      return JS_TRUE;
    }
    if ((JS_GetStringEncodingLength(ctx, str) == 2) && !strncmp("id",
          JS_EncodeString(ctx, str), 2)) {
      *rval = INT_TO_JSVAL(objectRef);
      return JS_TRUE;
    }
    if ((JS_GetStringEncodingLength(ctx, str) == 16) && !strncmp("__noSuchMethod__",
          JS_EncodeString(ctx, str), 16)) {
      // Avoid error spew if we are disconnected
      *rval = JSVAL_VOID;
      return JS_TRUE;
    }
    // TODO: dumpJsVal can no longer handle this case
    //Debug::log(Debug::Error) << "Getting unexpected string property "
    //    << dumpJsVal(ctx, id) << Debug::flush;
    // TODO: throw a better exception here
    return JS_FALSE;
  }
  if (!JSID_IS_INT(id)) {
    // TODO: dumpJsVal can no longer handle this case
    //Debug::log(Debug::Error) << "Getting non-int/non-string property "
    //      << dumpJsVal(ctx, id) << Debug::flush;
    // TODO: throw a better exception here
    return JS_FALSE;
  }
  int dispId = JSID_TO_INT(id);

  HostChannel* channel = data->getHostChannel();
  SessionHandler* handler = data->getSessionHandler();

  gwt::Value value = ServerMethods::getProperty(*channel, handler, objectRef, dispId);
  data->makeJsvalFromValue(*rval, ctx, value);
  return JS_TRUE;
}
Ejemplo n.º 10
0
JSBool S_AnotherClass::jsPropertySet(JSContext *cx, JSObject *obj, jsid _id, JSBool strict, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_AnotherClass *cobj; JSGET_PTRSHELL(S_AnotherClass, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kAPublicField:
		do { uint32_t tmp; JS_ValueToECMAUint32(cx, *val, &tmp); cobj->aPublicField = tmp; } while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 11
0
NS_IMETHODIMP
StatementParams::NewResolve(nsIXPConnectWrappedNative *aWrapper,
                            JSContext *aCtx,
                            JSObject *aScopeObj,
                            jsid aId,
                            PRUint32 aFlags,
                            JSObject **_objp,
                            PRBool *_retval)
{
  NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
  // We do not throw at any point after this unless our index is out of range
  // because we want to allow the prototype chain to be checked for the
  // property.

  bool resolved = false;
  PRBool ok = PR_TRUE;
  if (JSID_IS_INT(aId)) {
    PRUint32 idx = JSID_TO_INT(aId);

    // Ensure that our index is within range.  We do not care about the
    // prototype chain being checked here.
    if (idx >= mParamCount)
      return NS_ERROR_INVALID_ARG;

    ok = ::JS_DefineElement(aCtx, aScopeObj, idx, JSVAL_VOID, nsnull,
                            nsnull, JSPROP_ENUMERATE);
    resolved = true;
  }
  else if (JSID_IS_STRING(aId)) {
    JSString *str = JSID_TO_STRING(aId);
    jschar *nameChars = ::JS_GetStringChars(str);
    size_t nameLength = ::JS_GetStringLength(str);

    // Check to see if there's a parameter with this name, and if not, let
    // the rest of the prototype chain be checked.
    NS_ConvertUTF16toUTF8 name(reinterpret_cast<const PRUnichar *>(nameChars),
                               nameLength);
    PRUint32 idx;
    nsresult rv = mStatement->GetParameterIndex(name, &idx);
    if (NS_SUCCEEDED(rv)) {
      ok = ::JS_DefineUCProperty(aCtx, aScopeObj, nameChars, nameLength,
                                 JSVAL_VOID, nsnull, nsnull, JSPROP_ENUMERATE);
      resolved = true;
    }
  }

  *_retval = ok;
  *_objp = resolved && ok ? aScopeObj : nsnull;
  return NS_OK;
}
Ejemplo n.º 12
0
/* @bookmark_class.setProperty */
static JSBool
bookmark_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
{
	struct bookmark *bookmark;
	jsid tmp;
	unsigned char *title = NULL;
	unsigned char *url = NULL;
	int ok;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &bookmark_class, NULL))
		return JS_FALSE;

	bookmark = JS_GetInstancePrivate(ctx, obj,
					 (JSClass *) &bookmark_class, NULL);

	if (!bookmark) return JS_FALSE;

	if (!JSID_IS_INT(id))
		return JS_FALSE;

	switch (JSID_TO_INT(id)) {
	case BOOKMARK_TITLE:
		if (!JS_ValueToId(ctx, *vp, &tmp))
			return JS_FALSE;
		if (!jsval_to_bookmark_string(ctx, tmp, &title))
			return JS_FALSE;
		break;
	case BOOKMARK_URL:
		if (!JS_ValueToId(ctx, *vp, &tmp))
			return JS_FALSE;
		if (!jsval_to_bookmark_string(ctx, tmp, &url))
			return JS_FALSE;
		break;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case.
		 * Do the same here.  */
		return JS_TRUE;
	}

	ok = update_bookmark(bookmark, get_cp_index("UTF-8"), title, url);
	mem_free_if(title);
	mem_free_if(url);
	return ok ? JS_TRUE : JS_FALSE;
}
Ejemplo n.º 13
0
JSBool JSI_Console::getProperty(JSContext* UNUSED(cx), JSObject* UNUSED(obj), jsid id, jsval* vp)
{
	if (!JSID_IS_INT(id))
		return JS_TRUE;

	int i = JSID_TO_INT(id);

	switch (i)
	{
	case console_visible:
		*vp = BOOLEAN_TO_JSVAL(g_Console->IsActive());
		return JS_TRUE;
	default:
		*vp = JSVAL_NULL;
		return JS_TRUE;
	}
}
Ejemplo n.º 14
0
JSBool S_SimpleAudioEngine::jsPropertyGet(JSContext *cx, JSObject *obj, jsid _id, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_SimpleAudioEngine *cobj; JSGET_PTRSHELL(S_SimpleAudioEngine, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kBackgroundMusicVolume:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->getBackgroundMusicVolume(), &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	case kEffectsVolume:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->getEffectsVolume(), &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 15
0
JSBool S_AnotherClass::jsPropertyGet(JSContext *cx, JSObject *obj, jsid _id, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_AnotherClass *cobj; JSGET_PTRSHELL(S_AnotherClass, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kAPublicField:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->aPublicField, &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	case kJustOneField:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->getJustOneField(), &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 16
0
JSBool S_SimpleAudioEngine::jsPropertySet(JSContext *cx, JSObject *obj, jsid _id, JSBool strict, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_SimpleAudioEngine *cobj; JSGET_PTRSHELL(S_SimpleAudioEngine, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kBackgroundMusicVolume:
		do { double tmp; JS_ValueToNumber(cx, *val, &tmp); cobj->setBackgroundMusicVolume(tmp); } while (0);
		break;
	case kEffectsVolume:
		do { double tmp; JS_ValueToNumber(cx, *val, &tmp); cobj->setEffectsVolume(tmp); } while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 17
0
JSBool S_SimpleNativeClass::jsPropertyGet(JSContext *cx, JSObject *obj, jsid _id, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_SimpleNativeClass *cobj; JSGET_PTRSHELL(S_SimpleNativeClass, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kSomeField:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->getSomeField(), &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	case kSomeOtherField:
		do { jsval tmp; JS_NewNumberValue(cx, cobj->getSomeOtherField(), &tmp); JS_SET_RVAL(cx, val, tmp); } while (0);
		break;
	case kAnotherMoreComplexField:
		do { JSString *tmp = JS_NewStringCopyZ(cx, cobj->getAnotherMoreComplexField()); JS_SET_RVAL(cx, val, STRING_TO_JSVAL(tmp)); } while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 18
0
JSBool JsPointBinding::PropertySet(JSContext *context, JSObject *obj, jsid id,
		JSBool strict, jsval *val) {
	int propId = JSID_TO_INT(id);
	CCPoint *pPoint = static_cast<CCPoint*> (JS_GetPrivate(context, obj));
	if (!pPoint)
		return JS_FALSE;
	double data;
	JS_ValueToNumber(context, *val, &data);
	switch (propId) {
	case X:
		pPoint->x = data;
		break;
	case Y:
		pPoint->y = data;
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 19
0
/* @bookmark_class.getProperty */
static JSBool
bookmark_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
{
	struct bookmark *bookmark;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &bookmark_class, NULL))
		return JS_FALSE;

	bookmark = JS_GetInstancePrivate(ctx, obj,
					 (JSClass *) &bookmark_class, NULL);

	if (!bookmark) return JS_FALSE;

	undef_to_jsval(ctx, vp);

	if (!JSID_IS_INT(id))
		return JS_FALSE;

	switch (JSID_TO_INT(id)) {
	case BOOKMARK_TITLE:
		return bookmark_string_to_jsval(ctx, bookmark->title, vp);
	case BOOKMARK_URL:
		return bookmark_string_to_jsval(ctx, bookmark->url, vp);
	case BOOKMARK_CHILDREN:
		*vp = OBJECT_TO_JSVAL(smjs_get_bookmark_folder_object(bookmark));

		return JS_TRUE;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case
		 * and leave *@vp unchanged.  Do the same here.
		 * (Actually not quite the same, as we already used
		 * @undef_to_jsval.)  */
		return JS_TRUE;
	}
}
Ejemplo n.º 20
0
/* @location_class.getProperty */
static JSBool
location_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
{
	JSObject *parent_win;	/* instance of @window_class */
	struct view_state *vs;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &location_class, NULL))
		return JS_FALSE;
	parent_win = JS_GetParent(ctx, obj);
	assert(JS_InstanceOf(ctx, parent_win, (JSClass *) &window_class, NULL));
	if_assert_failed return JS_FALSE;

	vs = (struct view_state *)JS_GetInstancePrivate(ctx, parent_win,
				   (JSClass *) &window_class, NULL);

	if (!JSID_IS_INT(id))
		return JS_TRUE;

	undef_to_jsval(ctx, vp);

	switch (JSID_TO_INT(id)) {
	case JSP_LOC_HREF:
		astring_to_jsval(ctx, vp, get_uri_string(vs->uri, URI_ORIGINAL));
		break;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case
		 * and leave *@vp unchanged.  Do the same here.
		 * (Actually not quite the same, as we already used
		 * @undef_to_jsval.)  */
		break;
	}

	return JS_TRUE;
}
Ejemplo n.º 21
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JSBool JsPointBinding::PropertyGet(JSContext *context, JSObject *obj, jsid id,
		jsval *val) {
	int propId = JSID_TO_INT(id);
	CCPoint *pPoint = static_cast<CCPoint*> (JS_GetPrivate(context, obj));
	if (!pPoint)
		return JS_FALSE;
	float result = 0;
	switch (propId) {
	case X:
		result = pPoint->x;
		break;
	case Y:
		result = pPoint->y;
		break;
	default:
		break;
	}
	jsval resultVal;
	JS_NewNumberValue(context, result, &resultVal);
	JS_SET_RVAL(context, val, resultVal);
	return JS_TRUE;
}
Ejemplo n.º 22
0
JSBool JSI_Console::setProperty(JSContext* UNUSED(cx), JSObject* UNUSED(obj), jsid id, jsval* vp)
{
	if (!JSID_IS_INT(id))
		return JS_TRUE;

	int i = JSID_TO_INT(id);

	switch (i)
	{
	case console_visible:
		try
		{
			g_Console->SetVisible(ToPrimitive<bool> (*vp));
			return JS_TRUE;
		}
		catch (PSERROR_Scripting_ConversionFailed)
		{
			return JS_TRUE;
		}
	default:
		return JS_TRUE;
	}
}
Ejemplo n.º 23
0
JSBool S_SimpleNativeClass::jsPropertySet(JSContext *cx, JSObject *obj, jsid _id, JSBool strict, jsval *val)
{
	int32_t propId = JSID_TO_INT(_id);
	S_SimpleNativeClass *cobj; JSGET_PTRSHELL(S_SimpleNativeClass, cobj, obj);
	if (!cobj) return JS_FALSE;
	switch(propId) {
	case kSomeField:
		do { uint32_t tmp; JS_ValueToECMAUint32(cx, *val, &tmp); cobj->setSomeField(tmp); } while (0);
		break;
	case kSomeOtherField:
		do { uint32_t tmp; JS_ValueToECMAUint32(cx, *val, &tmp); cobj->setSomeOtherField(tmp); } while (0);
		break;
	case kAnotherMoreComplexField:
		do {
			char *tmp = JS_EncodeString(cx, JSVAL_TO_STRING(*val));
			if (tmp) { cobj->setAnotherMoreComplexField(tmp); }
		} while (0);
		break;
	default:
		break;
	}
	return JS_TRUE;
}
Ejemplo n.º 24
0
uint32_t IdWrapper::toInt32() const {
    uassert(ErrorCodes::TypeMismatch, "Cannot toInt32() non-integer jsid", JSID_IS_INT(_value));

    return JSID_TO_INT(_value);
}
Ejemplo n.º 25
0
int
RUST_JSID_TO_INT(jsid id)
{
    return JSID_TO_INT(id);
}
Ejemplo n.º 26
0
bool
ExposedPropertiesOnly::check(JSContext *cx, HandleObject wrapper, HandleId id, Wrapper::Action act)
{
    RootedObject wrappedObject(cx, Wrapper::wrappedObject(wrapper));

    if (act == Wrapper::CALL)
        return true;


    // For the case of getting a property descriptor, we allow if either GET or SET
    // is allowed, and rely on FilteringWrapper to filter out any disallowed accessors.
    if (act == Wrapper::GET_PROPERTY_DESCRIPTOR) {
        return check(cx, wrapper, id, Wrapper::GET) ||
               check(cx, wrapper, id, Wrapper::SET);
    }

    RootedId exposedPropsId(cx, GetRTIdByIndex(cx, XPCJSRuntime::IDX_EXPOSEDPROPS));

    // We need to enter the wrappee's compartment to look at __exposedProps__,
    // but we want to be in the wrapper's compartment if we call Deny().
    //
    // Unfortunately, |cx| can be in either compartment when we call ::check. :-(
    JSAutoCompartment ac(cx, wrappedObject);

    bool found = false;
    if (!JS_HasPropertyById(cx, wrappedObject, exposedPropsId, &found))
        return false;

    // Always permit access to "length" and indexed properties of arrays.
    if ((JS_IsArrayObject(cx, wrappedObject) ||
         JS_IsTypedArrayObject(wrappedObject)) &&
        ((JSID_IS_INT(id) && JSID_TO_INT(id) >= 0) ||
         (JSID_IS_STRING(id) && JS_FlatStringEqualsAscii(JSID_TO_FLAT_STRING(id), "length")))) {
        return true; // Allow
    }

    // If no __exposedProps__ existed, deny access.
    if (!found) {
        return false;
    }

    if (id == JSID_VOID)
        return true;

    RootedValue exposedProps(cx);
    if (!JS_LookupPropertyById(cx, wrappedObject, exposedPropsId, &exposedProps))
        return false;

    if (exposedProps.isNullOrUndefined())
        return false;

    if (!exposedProps.isObject()) {
        EnterAndThrow(cx, wrapper, "__exposedProps__ must be undefined, null, or an Object");
        return false;
    }

    RootedObject hallpass(cx, &exposedProps.toObject());

    if (!AccessCheck::subsumes(js::UncheckedUnwrap(hallpass), wrappedObject)) {
        EnterAndThrow(cx, wrapper, "Invalid __exposedProps__");
        return false;
    }

    Access access = NO_ACCESS;

    Rooted<JSPropertyDescriptor> desc(cx);
    if (!JS_GetPropertyDescriptorById(cx, hallpass, id, &desc)) {
        return false; // Error
    }
    if (!desc.object() || !desc.isEnumerable())
        return false;

    if (!desc.value().isString()) {
        EnterAndThrow(cx, wrapper, "property must be a string");
        return false;
    }

    JSFlatString *flat = JS_FlattenString(cx, desc.value().toString());
    if (!flat)
        return false;

    size_t length = JS_GetStringLength(JS_FORGET_STRING_FLATNESS(flat));

    for (size_t i = 0; i < length; ++i) {
        char16_t ch = JS_GetFlatStringCharAt(flat, i);
        switch (ch) {
        case 'r':
            if (access & READ) {
                EnterAndThrow(cx, wrapper, "duplicate 'readable' property flag");
                return false;
            }
            access = Access(access | READ);
            break;

        case 'w':
            if (access & WRITE) {
                EnterAndThrow(cx, wrapper, "duplicate 'writable' property flag");
                return false;
            }
            access = Access(access | WRITE);
            break;

        default:
            EnterAndThrow(cx, wrapper, "properties can only be readable or read and writable");
            return false;
        }
    }

    if (access == NO_ACCESS) {
        EnterAndThrow(cx, wrapper, "specified properties must have a permission bit set");
        return false;
    }

    if ((act == Wrapper::SET && !(access & WRITE)) ||
        (act != Wrapper::SET && !(access & READ))) {
        return false;
    }

    return true;
}
Ejemplo n.º 27
0
/* @smjs_globhist_item_class.getProperty */
static JSBool
smjs_globhist_item_get_property(JSContext *ctx, JSObject *obj, jsid id,
                                jsval *vp)
{
	struct global_history_item *history_item;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &smjs_globhist_item_class, NULL))
		return JS_FALSE;

	history_item = JS_GetInstancePrivate(ctx, obj,
					     (JSClass *) &smjs_globhist_item_class,
					     NULL);

	if (!history_item) return JS_FALSE;

	undef_to_jsval(ctx, vp);

	if (!JSID_IS_INT(id))
		return JS_FALSE;

	switch (JSID_TO_INT(id)) {
	case GLOBHIST_TITLE:
		*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
		                                        history_item->title));

		return JS_TRUE;
	case GLOBHIST_URL:
		*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
		                                        history_item->url));

		return JS_TRUE;
	case GLOBHIST_LAST_VISIT:
		/* TODO: I'd rather return a date object, but that introduces
		 * synchronisation issues:
		 *
		 *  - How do we cause a change to that date object to affect
		 *    the actual global history item?
		 *  - How do we get a change to that global history item
		 *    to affect all date objects?
		 *
		 * The biggest obstacle is that we have no way to trigger code
		 * when one messes with the date object.
		 *
		 *   -- Miciah */
		/* XXX: Currently, ECMAScript gets seconds since the epoch.
		 * Since the Date object uses milliseconds since the epoch,
		 * I'd rather export that, but SpiderMonkey doesn't provide
		 * a suitable type. -- Miciah */
		JS_NewNumberValue(smjs_ctx, history_item->last_visit, vp);

		return JS_TRUE;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case
		 * and leave *@vp unchanged.  Do the same here.
		 * (Actually not quite the same, as we already used
		 * @undef_to_jsval.)  */
		return JS_TRUE;
	}
}
Ejemplo n.º 28
0
/* @cache_entry_class.setProperty */
static JSBool
cache_entry_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
{
	struct cache_entry *cached;
	JSBool ret;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &cache_entry_class, NULL))
		return JS_FALSE;

	cached = JS_GetInstancePrivate(ctx, obj,
				       (JSClass *) &cache_entry_class, NULL);
	if (!cached) return JS_FALSE; /* already detached */

	assert(cache_entry_is_valid(cached));
	if_assert_failed return JS_FALSE;

	/* Get a strong reference to the cache entry to prevent it
	 * from being deleted if some function called below decides to
	 * collect garbage.  After this, all code paths must
	 * eventually unlock the object.  */
	object_lock(cached);

	if (!JSID_IS_INT(id))
		ret = JS_FALSE;
	else switch (JSID_TO_INT(id)) {
	case CACHE_ENTRY_CONTENT: {
		JSString *jsstr = JS_ValueToString(smjs_ctx, *vp);
		unsigned char *str = JS_EncodeString(smjs_ctx, jsstr);
		size_t len = JS_GetStringLength(jsstr);

		add_fragment(cached, 0, str, len);
		normalize_cache_entry(cached, len);

		ret = JS_TRUE;
		break;
	}
	case CACHE_ENTRY_TYPE: {
		JSString *jsstr = JS_ValueToString(smjs_ctx, *vp);
		unsigned char *str = JS_EncodeString(smjs_ctx, jsstr);

		mem_free_set(&cached->content_type, stracpy(str));

		ret = JS_TRUE;
		break;
	}
	case CACHE_ENTRY_HEAD: {
		JSString *jsstr = JS_ValueToString(smjs_ctx, *vp);
		unsigned char *str = JS_EncodeString(smjs_ctx, jsstr);

		mem_free_set(&cached->head, stracpy(str));

		ret = JS_TRUE;
		break;
	}
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case.
		 * Do the same here.  */
		ret = JS_TRUE;
		break;
	}

	object_unlock(cached);
	return ret;
}
Ejemplo n.º 29
0
/* @cache_entry_class.getProperty */
static JSBool
cache_entry_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
{
	struct cache_entry *cached;
	JSBool ret;

	/* This can be called if @obj if not itself an instance of the
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &cache_entry_class, NULL))
		return JS_FALSE;

	cached = JS_GetInstancePrivate(ctx, obj,
				       (JSClass *) &cache_entry_class, NULL);
	if (!cached) return JS_FALSE; /* already detached */

	assert(cache_entry_is_valid(cached));
	if_assert_failed return JS_FALSE;

	/* Get a strong reference to the cache entry to prevent it
	 * from being deleted if some function called below decides to
	 * collect garbage.  After this, all code paths must
	 * eventually unlock the object.  */
	object_lock(cached);

	undef_to_jsval(ctx, vp);

	if (!JSID_IS_INT(id))
		ret = JS_FALSE;
	else switch (JSID_TO_INT(id)) {
	case CACHE_ENTRY_CONTENT: {
		struct fragment *fragment = get_cache_fragment(cached);

		if (!fragment) {
			ret = JS_FALSE;
			break;
		}

		*vp = STRING_TO_JSVAL(JS_NewStringCopyN(smjs_ctx,
	                                                fragment->data,
	                                                fragment->length));

		ret = JS_TRUE;
		break;
	}
	case CACHE_ENTRY_TYPE:
		*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
	                                                cached->content_type));

		ret = JS_TRUE;
		break;
	case CACHE_ENTRY_HEAD:
		*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
	                                                cached->head));

		ret = JS_TRUE;
		break;
	case CACHE_ENTRY_LENGTH:
		*vp = INT_TO_JSVAL(cached->length);

		ret = JS_TRUE;
		break;
	case CACHE_ENTRY_URI:
		*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
		                                        struri(cached->uri)));

		ret = JS_TRUE;
		break;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case
		 * and leave *@vp unchanged.  Do the same here.
		 * (Actually not quite the same, as we already used
		 * @undef_to_jsval.)  */
		ret = JS_TRUE;
		break;
	}

	object_unlock(cached);
	return ret;
}
Ejemplo n.º 30
0
bool
ExposedPropertiesOnly::check(JSContext* cx, HandleObject wrapper, HandleId id, Wrapper::Action act)
{
    RootedObject wrappedObject(cx, Wrapper::wrappedObject(wrapper));

    if (act == Wrapper::CALL)
        return false;

    // For the case of getting a property descriptor, we allow if either GET or SET
    // is allowed, and rely on FilteringWrapper to filter out any disallowed accessors.
    if (act == Wrapper::GET_PROPERTY_DESCRIPTOR) {
        return check(cx, wrapper, id, Wrapper::GET) ||
               check(cx, wrapper, id, Wrapper::SET);
    }

    RootedId exposedPropsId(cx, GetRTIdByIndex(cx, XPCJSRuntime::IDX_EXPOSEDPROPS));

    // We need to enter the wrappee's compartment to look at __exposedProps__,
    // but we want to be in the wrapper's compartment if we call Deny().
    //
    // Unfortunately, |cx| can be in either compartment when we call ::check. :-(
    JSAutoCompartment ac(cx, wrappedObject);

    bool found = false;
    if (!JS_HasPropertyById(cx, wrappedObject, exposedPropsId, &found))
        return false;

    // If no __exposedProps__ existed, deny access.
    if (!found) {
        // Previously we automatically granted access to indexed properties and
        // .length for Array COWs. We're not doing that anymore, so make sure to
        // let people know what's going on.
        bool isArray;
        if (!JS_IsArrayObject(cx, wrappedObject, &isArray))
            return false;
        if (!isArray)
            isArray = JS_IsTypedArrayObject(wrappedObject);
        bool isIndexedAccessOnArray = isArray && JSID_IS_INT(id) && JSID_TO_INT(id) >= 0;
        bool isLengthAccessOnArray = isArray && JSID_IS_STRING(id) &&
                                     JS_FlatStringEqualsAscii(JSID_TO_FLAT_STRING(id), "length");
        if (isIndexedAccessOnArray || isLengthAccessOnArray) {
            JSAutoCompartment ac2(cx, wrapper);
            ReportWrapperDenial(cx, id, WrapperDenialForCOW,
                                "Access to elements and length of privileged Array not permitted");
        }

        return false;
    }

    if (id == JSID_VOID)
        return true;

    Rooted<JSPropertyDescriptor> desc(cx);
    if (!JS_GetPropertyDescriptorById(cx, wrappedObject, exposedPropsId, &desc))
        return false;

    if (!desc.object())
        return false;

    if (desc.hasGetterOrSetter()) {
        EnterAndThrow(cx, wrapper, "__exposedProps__ must be a value property");
        return false;
    }

    RootedValue exposedProps(cx, desc.value());
    if (exposedProps.isNullOrUndefined())
        return false;

    if (!exposedProps.isObject()) {
        EnterAndThrow(cx, wrapper, "__exposedProps__ must be undefined, null, or an Object");
        return false;
    }

    RootedObject hallpass(cx, &exposedProps.toObject());

    if (!AccessCheck::subsumes(js::UncheckedUnwrap(hallpass), wrappedObject)) {
        EnterAndThrow(cx, wrapper, "Invalid __exposedProps__");
        return false;
    }

    Access access = NO_ACCESS;

    if (!JS_GetPropertyDescriptorById(cx, hallpass, id, &desc)) {
        return false; // Error
    }
    if (!desc.object() || !desc.enumerable())
        return false;

    if (!desc.value().isString()) {
        EnterAndThrow(cx, wrapper, "property must be a string");
        return false;
    }

    JSFlatString* flat = JS_FlattenString(cx, desc.value().toString());
    if (!flat)
        return false;

    size_t length = JS_GetStringLength(JS_FORGET_STRING_FLATNESS(flat));

    for (size_t i = 0; i < length; ++i) {
        char16_t ch = JS_GetFlatStringCharAt(flat, i);
        switch (ch) {
        case 'r':
            if (access & READ) {
                EnterAndThrow(cx, wrapper, "duplicate 'readable' property flag");
                return false;
            }
            access = Access(access | READ);
            break;

        case 'w':
            if (access & WRITE) {
                EnterAndThrow(cx, wrapper, "duplicate 'writable' property flag");
                return false;
            }
            access = Access(access | WRITE);
            break;

        default:
            EnterAndThrow(cx, wrapper, "properties can only be readable or read and writable");
            return false;
        }
    }

    if (access == NO_ACCESS) {
        EnterAndThrow(cx, wrapper, "specified properties must have a permission bit set");
        return false;
    }

    if ((act == Wrapper::SET && !(access & WRITE)) ||
        (act != Wrapper::SET && !(access & READ))) {
        return false;
    }

    // Inspect the property on the underlying object to check for red flags.
    if (!JS_GetPropertyDescriptorById(cx, wrappedObject, id, &desc))
        return false;

    // Reject accessor properties.
    if (desc.hasGetterOrSetter()) {
        EnterAndThrow(cx, wrapper, "Exposing privileged accessor properties is prohibited");
        return false;
    }

    // Reject privileged or cross-origin callables.
    if (desc.value().isObject()) {
        RootedObject maybeCallable(cx, js::UncheckedUnwrap(&desc.value().toObject()));
        if (JS::IsCallable(maybeCallable) && !AccessCheck::subsumes(wrapper, maybeCallable)) {
            EnterAndThrow(cx, wrapper, "Exposing privileged or cross-origin callable is prohibited");
            return false;
        }
    }

    return true;
}