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44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
/*
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* Copyright 2002-2024 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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"use strict";
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const holder = {
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controller: new AbortController(),
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};
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/**
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* Returns a new AbortSignal to be used in the options for the registration and authentication ceremonies.
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* Aborts the existing AbortController if it exists, cancelling any existing ceremony.
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*
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* The authentication ceremony, when triggered with conditional mediation, shows a non-modal
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* interaction. If the user does not interact with the non-modal dialog, the existing ceremony MUST
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* be cancelled before initiating a new one, hence the need for a singleton AbortController.
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*
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* @returns {AbortSignal} a new, non-aborted AbortSignal
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*/
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function newSignal() {
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if (!!holder.controller) {
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holder.controller.abort("Initiating new WebAuthN ceremony, cancelling current ceremony");
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}
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holder.controller = new AbortController();
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return holder.controller.signal;
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}
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export default {
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newSignal,
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};
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