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Moved the version rewrite middleware to a module

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refs https://github.com/TryGhost/Toolbox/issues/315

- There's enough logic in the middleware to become it's own module and maybe even get extracted to an external module
This commit is contained in:
Naz 2022-05-05 22:18:02 +08:00
parent 8e1c10d146
commit dde9a5462a
2 changed files with 37 additions and 35 deletions
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36
core/server/services/api-version-compatibility/index.js
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@ -1,5 +1,3 @@
/* eslint-disable max-lines */
const routeMatch = require('path-match')();
const APIVersionCompatibilityService = require('@tryghost/api-version-compatibility-service');
const VersionNotificationsDataService = require('@tryghost/version-notifications-data-service');
const versionMismatchHandler = require('@tryghost/mw-api-version-mismatch');
@ -50,38 +48,6 @@ module.exports.contentVersion = (req, res, next) => {
next();
};
/**
* If there is a version in the URL, and this is a valid API URL containing admin/content
* Rewrite the URL and add the accept-version & deprecation headers
* @param {import('express').Request} req
* @param {import('express').Response} res
* @param {import('express').NextFunction} next
*/
module.exports.versionRewrites = (req, res, next) => {
let {version} = routeMatch('/:version(v2|v3|v4|canary)/:api(admin|content)/*')(req.url);
// If we don't match a valid version, carry on
if (!version) {
return next();
}
const versionlessUrl = req.url.replace(`${version}/`, '');
// Always send the explicit, numeric version in headers
if (version === 'canary') {
version = 'v4';
}
// Rewrite the url
req.url = versionlessUrl;
// Add the accept-version header so our internal systems will act as if it was set on the request
req.headers['accept-version'] = req.headers['accept-version'] || `${version}.0`;
res.header('Deprecation', `version="${version}"`);
res.header('Link', `<${urlUtils.urlJoin(urlUtils.urlFor('admin', true), 'api', versionlessUrl)}>; rel="latest-version"`);
next();
};
module.exports.versionRewrites = require('./mw-version-rewrites');
module.exports.init = init;

36
core/server/services/api-version-compatibility/mw-version-rewrites.js Normal file
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@ -0,0 +1,36 @@
const routeMatch = require('path-match')();
const urlUtils = require('../../../shared/url-utils');
/**
* If there is a version in the URL, and this is a valid API URL containing admin/content
* Rewrite the URL and add the accept-version & deprecation headers
* @param {import('express').Request} req
* @param {import('express').Response} res
* @param {import('express').NextFunction} next
*/
module.exports = (req, res, next) => {
let {version} = routeMatch('/:version(v2|v3|v4|canary)/:api(admin|content)/*')(req.url);
// If we don't match a valid version, carry on
if (!version) {
return next();
}
const versionlessUrl = req.url.replace(`${version}/`, '');
// Always send the explicit, numeric version in headers
if (version === 'canary') {
version = 'v4';
}
// Rewrite the url
req.url = versionlessUrl;
// Add the accept-version header so our internal systems will act as if it was set on the request
req.headers['accept-version'] = req.headers['accept-version'] || `${version}.0`;
res.header('Deprecation', `version="${version}"`);
res.header('Link', `<${urlUtils.urlJoin(urlUtils.urlFor('admin', true), 'api', versionlessUrl)}>; rel="latest-version"`);
next();
};