83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
/*
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* @copyright Copyright (c) 2023 Julius Härtl <jus@bitgrid.net>
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*
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { getRootUrl } from '@nextcloud/router'
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/**
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*
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* @param {string} url the URL to check
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* @returns {boolean}
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*/
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const isRelativeUrl = (url) => {
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return !url.startsWith('https://') && !url.startsWith('http://')
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}
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/**
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* @param {string} url The URL to check
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* @return {boolean} true if the URL points to this nextcloud instance
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*/
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const isNextcloudUrl = (url) => {
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const nextcloudBaseUrl = window.location.protocol + '//' + window.location.host + getRootUrl()
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// if the URL is absolute and starts with the baseUrl+rootUrl
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// OR if the URL is relative and starts with rootUrl
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return url.startsWith(nextcloudBaseUrl)
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|| (isRelativeUrl(url) && url.startsWith(getRootUrl()))
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}
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/**
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* Intercept XMLHttpRequest and fetch API calls to add X-Requested-With header
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*
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* This is also done in @nextcloud/axios but not all requests pass through that
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*/
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export const interceptRequests = () => {
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XMLHttpRequest.prototype.open = (function(open) {
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return function(method, url, async) {
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open.apply(this, arguments)
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if (isNextcloudUrl(url) && !this.getResponseHeader('X-Requested-With')) {
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this.setRequestHeader('X-Requested-With', 'XMLHttpRequest')
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}
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}
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})(XMLHttpRequest.prototype.open)
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window.fetch = (function(fetch) {
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return (resource, options) => {
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// fetch allows the `input` to be either a Request object or any stringifyable value
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if (!isNextcloudUrl(resource.url ?? resource.toString())) {
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return fetch(resource, options)
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}
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if (!options) {
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options = {}
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}
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if (!options.headers) {
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options.headers = new Headers()
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}
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if (options.headers instanceof Headers && !options.headers.has('X-Requested-With')) {
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options.headers.append('X-Requested-With', 'XMLHttpRequest')
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} else if (options.headers instanceof Object && !options.headers['X-Requested-With']) {
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options.headers['X-Requested-With'] = 'XMLHttpRequest'
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}
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return fetch(resource, options)
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}
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})(window.fetch)
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}
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