PeerTube/server/middlewares/csp.ts

43 lines
1.5 KiB
TypeScript

import * as helmet from 'helmet'
import { CONFIG } from '../initializers/config'
const baseDirectives = Object.assign({},
{
defaultSrc: [ '\'none\'' ], // by default, not specifying default-src = '*'
connectSrc: [ '*', 'data:' ],
mediaSrc: [ '\'self\'', 'https:', 'blob:' ],
fontSrc: [ '\'self\'', 'data:' ],
imgSrc: [ '\'self\'', 'data:', 'blob:' ],
scriptSrc: [ '\'self\' \'unsafe-inline\' \'unsafe-eval\'', 'blob:' ],
styleSrc: [ '\'self\' \'unsafe-inline\'' ],
objectSrc: [ '\'none\'' ], // only define to allow plugins, else let defaultSrc 'none' block it
formAction: [ '\'self\'' ],
frameAncestors: [ '\'none\'' ],
baseUri: [ '\'self\'' ],
manifestSrc: [ '\'self\'' ],
frameSrc: [ '\'self\'' ], // instead of deprecated child-src / self because of test-embed
workerSrc: [ '\'self\'', 'blob:' ] // instead of deprecated child-src
},
CONFIG.CSP.REPORT_URI ? { reportUri: CONFIG.CSP.REPORT_URI } : {},
CONFIG.WEBSERVER.SCHEME === 'https' ? { upgradeInsecureRequests: true } : {}
)
const baseCSP = helmet.contentSecurityPolicy({
directives: baseDirectives,
browserSniff: false,
reportOnly: CONFIG.CSP.REPORT_ONLY
})
const embedCSP = helmet.contentSecurityPolicy({
directives: Object.assign({}, baseDirectives, { frameAncestors: [ '*' ] }),
browserSniff: false, // assumes a modern browser, but allows CDN in front
reportOnly: CONFIG.CSP.REPORT_ONLY
})
// ---------------------------------------------------------------------------
export {
baseCSP,
embedCSP
}