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Apply CSPs to generic hook responses. (#926)

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* Add CSPs to generic hook response.

* changelog

* Apply suggestions from code review

Co-authored-by: davidegirardi <16451191+davidegirardi@users.noreply.github.com>
Signed-off-by: Will Hunt <github@half-shot.uk>

---------

Signed-off-by: Will Hunt <github@half-shot.uk>
Co-authored-by: davidegirardi <16451191+davidegirardi@users.noreply.github.com>
This commit is contained in:
Will Hunt 2024-04-16 22:06:33 +01:00 committed by GitHub
parent ff200114a6
commit 45060f2b58
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4 changed files with 19 additions and 0 deletions
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1
changelog.d/926.bugfix Normal file
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@ -0,0 +1 @@
Ensure generic webhooks have appropriate Content-Security-Policy headers.

1
package.json
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@ -55,6 +55,7 @@
"cors": "^2.8.5",
"express": "^4.18.2",
"figma-js": "^1.14.0",
"helmet": "^7.1.0",
"http-status-codes": "^2.2.0",
"ioredis": "^5.2.3",
"jira-client": "^8.2.2",

12
src/generic/Router.ts
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@ -4,6 +4,7 @@ import { Logger } from "matrix-appservice-bridge";
import { ApiError, ErrCode } from "../api";
import { GenericWebhookEvent, GenericWebhookEventResult } from "./types";
import * as xml from "xml2js";
import helmet, { crossOriginOpenerPolicy } from "helmet";
const WEBHOOK_RESPONSE_TIMEOUT = 5000;
@ -83,6 +84,17 @@ export class GenericWebhooksRouter {
const router = Router();
router.all(
'/:hookId',
helmet({
contentSecurityPolicy: {
useDefaults: true,
directives: {
defaultSrc: "'self'",
sandbox: ''
}
},
xFrameOptions: { action: 'deny'},
crossOriginResourcePolicy: { policy: 'same-site'} ,
}),
GenericWebhooksRouter.xmlHandler,
express.urlencoded({ extended: false }),
express.json(),

5
yarn.lock
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@ -4490,6 +4490,11 @@ he@1.2.0, he@^1.2.0:
resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
helmet@^7.1.0:
version "7.1.0"
resolved "https://registry.yarnpkg.com/helmet/-/helmet-7.1.0.tgz#287279e00f8a3763d5dccbaf1e5ee39b8c3784ca"
integrity sha512-g+HZqgfbpXdCkme/Cd/mZkV0aV3BZZZSugecH03kl38m/Kmdx8jKjBikpDj2cr+Iynv4KpYEviojNdTJActJAg==
homerunner-client@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/homerunner-client/-/homerunner-client-1.0.0.tgz#fa535d7aa5d84ff5b1c0e9b116bd3a6bc12bf4df"