mirror of
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59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
// # uncapitalise Middleware
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// Usage: uncapitalise(req, res, next)
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// After:
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// Before:
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// App: Admin|Site|API
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//
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// Detect upper case in req.path.
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//
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// Example req:
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// req.originalUrl = /blog/ghost/signin/?asdAD=asdAS
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// req.url = /ghost/signin/?asdAD=asdAS
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// req.baseUrl = /blog
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// req.path = /ghost/signin/
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const errors = require('@tryghost/errors');
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const urlUtils = require('../../../../shared/url-utils');
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const {i18n} = require('../../../lib/common');
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const localUtils = require('../utils');
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const uncapitalise = (req, res, next) => {
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let pathToTest = (req.baseUrl ? req.baseUrl : '') + req.path;
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let redirectPath;
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let decodedURI;
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const isSignupOrReset = pathToTest.match(/^(.*\/ghost\/(signup|reset)\/)/i);
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const isAPI = pathToTest.match(/^(.*\/ghost\/api\/(v[\d.]+|canary)\/.*?\/)/i);
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if (isSignupOrReset) {
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pathToTest = isSignupOrReset[1];
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}
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// Do not lowercase anything after e.g. /api/v{X}/ to protect :key/:slug
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if (isAPI) {
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pathToTest = isAPI[1];
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}
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try {
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decodedURI = decodeURIComponent(pathToTest);
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} catch (err) {
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return next(new errors.NotFoundError({
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message: i18n.t('errors.errors.pageNotFound'),
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err: err
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}));
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}
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/**
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* In node < 0.11.1 req.path is not encoded, afterwards, it is always encoded such that | becomes %7C etc.
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* That encoding isn't useful here, as it triggers an extra uncapitalise redirect, so we decode the path first
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*/
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if (/[A-Z]/.test(decodedURI)) {
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redirectPath = (localUtils.removeOpenRedirectFromUrl((req.originalUrl || req.url).replace(pathToTest, pathToTest.toLowerCase())));
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return urlUtils.redirect301(res, redirectPath);
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}
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next();
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};
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module.exports = uncapitalise;
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