Ghost/core/server/web/shared/middlewares/uncapitalise.js
Katharina Irrgang b913618c03 Extended uncapitalise unit tests (#9891)
Extended uncapitalise unit tests

refs #9866

- Proved that the middleware works for many API versions
- Added test case to prove that the version identifier gets lowercased too
2018-09-20 22:27:38 +02:00

58 lines
1.7 KiB
JavaScript

// # uncapitalise Middleware
// Usage: uncapitalise(req, res, next)
// After:
// Before:
// App: Admin|Site|API
//
// Detect upper case in req.path.
//
// Example req:
// req.originalUrl = /blog/ghost/signin/?asdAD=asdAS
// req.url = /ghost/signin/?asdAD=asdAS
// req.baseUrl = /blog
// req.path = /ghost/signin/
const urlService = require('../../../services/url');
const common = require('../../../lib/common');
const localUtils = require('../utils');
const uncapitalise = (req, res, next) => {
let pathToTest = (req.baseUrl ? req.baseUrl : '') + req.path;
let redirectPath;
let decodedURI;
const isSignupOrReset = pathToTest.match(/^(.*\/ghost\/(signup|reset)\/)/i),
isAPI = pathToTest.match(/^(.*\/ghost\/api\/v[\d.]+\/.*?\/)/i);
if (isSignupOrReset) {
pathToTest = isSignupOrReset[1];
}
// Do not lowercase anything after e.g. /api/v0.1/ to protect :key/:slug
if (isAPI) {
pathToTest = isAPI[1];
}
try {
decodedURI = decodeURIComponent(pathToTest);
} catch (err) {
return next(new common.errors.NotFoundError({
message: common.i18n.t('errors.errors.pageNotFound'),
err: err
}));
}
/**
* In node < 0.11.1 req.path is not encoded, afterwards, it is always encoded such that | becomes %7C etc.
* That encoding isn't useful here, as it triggers an extra uncapitalise redirect, so we decode the path first
*/
if (/[A-Z]/.test(decodedURI)) {
redirectPath = (localUtils.removeOpenRedirectFromUrl((req.originalUrl || req.url).replace(pathToTest, pathToTest.toLowerCase())));
return urlService.utils.redirect301(res, redirectPath);
}
next();
};
module.exports = uncapitalise;