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@@ -1,6 +1,19 @@
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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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+
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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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+
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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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@@ -12,6 +25,7 @@ function getSafeRedirectPath(value) {
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}
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const UrlHelper = {
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+ getCanonicalURL,
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getSafeRedirectPath,
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wrapUrlWithProxy(url) {
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// TODO: Consider what to do for Community and Enterprise edition?
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Jakob Ackermann