50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
const Settings = require('@overleaf/settings')
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const { URL } = require('url')
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const PROTO = new URL(Settings.siteUrl).protocol
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function getCanonicalURL(req, url) {
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const origin = `${PROTO}//${req.headers.host}`
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url = new URL(url || req.originalUrl, origin)
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if (url.pathname.endsWith('/')) {
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url.pathname = url.pathname.replace(/\/+$/, '')
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}
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url.search = ''
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url.hash = ''
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return url.href
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}
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function getSafeRedirectPath(value) {
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const baseURL = Settings.siteUrl // base URL is required to construct URL from path
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const url = new URL(value, baseURL)
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let safePath = `${url.pathname}${url.search}${url.hash}`.replace(/^\/+/, '/')
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if (safePath === '/') {
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safePath = undefined
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}
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return safePath
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}
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function getSafeAdminDomainRedirect(path) {
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return Settings.adminUrl + (getSafeRedirectPath(path) || '/')
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}
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module.exports = {
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getCanonicalURL,
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getSafeRedirectPath,
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getSafeAdminDomainRedirect,
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wrapUrlWithProxy(url) {
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// TODO: Consider what to do for Community and Enterprise edition?
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if (!Settings.apis.linkedUrlProxy.url) {
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throw new Error('no linked url proxy configured')
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}
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return `${Settings.apis.linkedUrlProxy.url}?url=${encodeURIComponent(url)}`
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},
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prependHttpIfNeeded(url) {
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if (!url.match('://')) {
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url = `http://${url}`
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}
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return url
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},
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}
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