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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
}
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