33 lines
1.2 KiB
33 lines
1.2 KiB
'use strict';
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export const isAuthorized = (authcode) => {
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if (JSON.parse(sessionStorage.getItem('user'))) {
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const { resources } = JSON.parse(sessionStorage.getItem('user'));
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return resources.includes(authcode);
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} else {
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return false;
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}
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}
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export const checkAudioVideo = (constraintsData) => {
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if (navigator.mediaDevices === undefined) {
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navigator.mediaDevices = {};
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}
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if (navigator.mediaDevices.getUserMedia === undefined) {
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navigator.mediaDevices.getUserMedia = function (constraints) {
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// 首先，如果有getUserMedia的话，就获得它
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var getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
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// 一些浏览器根本没实现它 - 那么就返回一个error到promise的reject来保持一个统一的接口
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if (!getUserMedia) {
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return Promise.reject({ code: 404 });
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}
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// 否则，为老的navigator.getUserMedia方法包裹一个Promise
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return new Promise(function (resolve, reject) {
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getUserMedia.call(navigator, constraints, resolve, reject);
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});
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}
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}
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return navigator.mediaDevices.getUserMedia(constraintsData)
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}
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