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fix: allow charset in content-type (#1241)

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Ivar Conradi Østhus 2022-01-20 15:00:16 +01:00 committed by GitHub
parent d27542bb5d
commit 367b31185b
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4 changed files with 29 additions and 13 deletions
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2
package.json
View File

@ -111,6 +111,7 @@
"response-time": "^2.3.2",
"serve-favicon": "^2.5.0",
"stoppable": "^1.1.0",
"type-is": "^1.6.18",
"unleash-frontend": "4.6.0-beta.6",
"uuid": "^8.3.2"
},
@ -130,6 +131,7 @@
"@types/owasp-password-strength-test": "1.3.0",
"@types/stoppable": "1.1.1",
"@types/supertest": "2.0.11",
"@types/type-is": "^1.6.3",
"@types/uuid": "8.3.4",
"@typescript-eslint/eslint-plugin": "5.10.0",
"@typescript-eslint/parser": "5.10.0",

14
src/lib/middleware/content_type_checker.test.ts
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@ -38,6 +38,20 @@ test('Content-type middleware should by default only support application/json',
expect(fail).toHaveBeenCalledTimes(0);
});
test('Content-type middleware should by default only support application/json with charset', () => {
const middleware = requireContentType();
const t = jest.fn();
const fail = jest.fn();
middleware(
mockRequest('application/json; charset=UTF-8'),
expectNoCall(fail),
t,
);
middleware(mockRequest('text/plain'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(2);
expect(fail).toHaveBeenCalledTimes(0);
});
test('Content-type middleware should allow adding custom supported types', () => {
const middleware = requireContentType('application/yaml');
const t = jest.fn();

17
src/lib/middleware/content_type_checker.ts
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@ -1,4 +1,5 @@
import { RequestHandler } from 'express';
import { is } from 'type-is';
const DEFAULT_ACCEPTED_CONTENT_TYPE = 'application/json';
@ -12,23 +13,15 @@ const DEFAULT_ACCEPTED_CONTENT_TYPE = 'application/json';
export default function requireContentType(
...acceptedContentTypes: string[]
): RequestHandler {
if (acceptedContentTypes.length === 0) {
acceptedContentTypes.push(DEFAULT_ACCEPTED_CONTENT_TYPE);
}
return (req, res, next) => {
const contentType = req.header('Content-Type');
if (
Array.isArray(acceptedContentTypes) &&
acceptedContentTypes.length > 0
) {
if (acceptedContentTypes.includes(contentType)) {
next();
} else {
res.status(415).end();
}
} else if (DEFAULT_ACCEPTED_CONTENT_TYPE === contentType) {
if (is(contentType, acceptedContentTypes)) {
next();
} else {
res.status(415).end();
}
};
}
module.exports = requireContentType;

9
yarn.lock
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@ -1127,6 +1127,13 @@
dependencies:
"@types/superagent" "*"
"@types/type-is@^1.6.3":
version "1.6.3"
resolved "https://registry.yarnpkg.com/@types/type-is/-/type-is-1.6.3.tgz#45285b3be846a4afc9d488910a8e4b7bc2e8a169"
integrity sha512-PNs5wHaNcBgCQG5nAeeZ7OvosrEsI9O4W2jAOO9BCCg4ux9ZZvH2+0iSCOIDBiKuQsiNS8CBlmfX9f5YBQ22cA==
dependencies:
"@types/node" "*"
"@types/uuid@8.3.4":
version "8.3.4"
resolved "https://registry.npmjs.org/@types/uuid/-/uuid-8.3.4.tgz"
@ -7118,7 +7125,7 @@ type-fest@^1.0.1, type-fest@^1.2.1, type-fest@^1.2.2:
resolved "https://registry.npmjs.org/type-fest/-/type-fest-1.4.0.tgz"
integrity sha512-yGSza74xk0UG8k+pLh5oeoYirvIiWo5t0/o3zHHAO2tRDiZcxWP7fywNlXhqb6/r6sWvwi+RsyQMWhVLe4BVuA==
type-is@^1.6.4, type-is@~1.6.17, type-is@~1.6.18:
type-is@^1.6.18, type-is@^1.6.4, type-is@~1.6.17, type-is@~1.6.18:
version "1.6.18"
resolved "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz"
integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==