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refactor(csp): remove unsafe-eval in dev mode #7659

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merged 1 commit into from Jul 2, 2020
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6 changes: 3 additions & 3 deletions packages/server/src/middleware/nuxt.js
Expand Up @@ -74,7 +74,7 @@ export default ({ options, nuxt, renderRoute, resources }) => async function nux
const isReportOnly = !!options.render.csp.reportOnly
const cspHeader = isReportOnly ? 'Content-Security-Policy-Report-Only' : 'Content-Security-Policy'

res.setHeader(cspHeader, getCspString({ cspScriptSrcHashes, allowedSources, policies, isDev: options.dev, isReportOnly }))
res.setHeader(cspHeader, getCspString({ cspScriptSrcHashes, allowedSources, policies, isReportOnly }))
}

// Send response
Expand Down Expand Up @@ -126,9 +126,9 @@ const defaultPushAssets = (preloadFiles, shouldPush, publicPath, options) => {
return links
}

const getCspString = ({ cspScriptSrcHashes, allowedSources, policies, isDev, isReportOnly }) => {
const getCspString = ({ cspScriptSrcHashes, allowedSources, policies, isReportOnly }) => {
const joinedHashes = cspScriptSrcHashes.join(' ')
const baseCspStr = `script-src 'self'${isDev ? ' \'unsafe-eval\'' : ''} ${joinedHashes}`
const baseCspStr = `script-src 'self' ${joinedHashes}`
const policyObjectAvailable = typeof policies === 'object' && policies !== null && !Array.isArray(policies)

if (Array.isArray(allowedSources) && allowedSources.length) {
Expand Down
2 changes: 1 addition & 1 deletion packages/server/test/middleware/nuxt.test.js
Expand Up @@ -265,7 +265,7 @@ describe('server: nuxtMiddleware', () => {
expect(res.setHeader).nthCalledWith(
1,
'Content-Security-Policy-Report-Only',
"script-src 'self' 'unsafe-eval' sha256-hashes /nuxt/*.js /nuxt/images/*"
"script-src 'self' sha256-hashes /nuxt/*.js /nuxt/images/*"
)
})

Expand Down