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perf(vue-renderer): don't serialize session when injectScripts is false (#6846)

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404-NOTFOUND 2020-01-11 04:43:50 +08:00 committed by Pooya Parsa
parent 67ad293ada
commit af75aa86e1
1 changed files with 12 additions and 5 deletions
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17
packages/vue-renderer/src/renderers/ssr.js
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@ -126,19 +126,26 @@ export default class SSRRenderer extends BaseRenderer {
} }
} }
const { csp } = this.options.render
// Only add the hash if 'unsafe-inline' rule isn't present to avoid conflicts (#5387)
const containsUnsafeInlineScriptSrc = csp.policies && csp.policies['script-src'] && csp.policies['script-src'].includes('\'unsafe-inline\'')
const shouldHashCspScriptSrc = csp && (csp.unsafeInlineCompatibility || !containsUnsafeInlineScriptSrc)
let serializedSession = ''
// Serialize state // Serialize state
const serializedSession = `window.${this.serverContext.globals.context}=${devalue(renderContext.nuxt)};` if (shouldInjectScripts || shouldHashCspScriptSrc) {
// Only serialized session if need inject scripts or csp hash
serializedSession = `window.${this.serverContext.globals.context}=${devalue(renderContext.nuxt)};`
}
if (shouldInjectScripts) { if (shouldInjectScripts) {
APP += `<script>${serializedSession}</script>` APP += `<script>${serializedSession}</script>`
} }
// Calculate CSP hashes // Calculate CSP hashes
const { csp } = this.options.render
const cspScriptSrcHashes = [] const cspScriptSrcHashes = []
if (csp) { if (csp) {
// Only add the hash if 'unsafe-inline' rule isn't present to avoid conflicts (#5387) if (shouldHashCspScriptSrc) {
const containsUnsafeInlineScriptSrc = csp.policies && csp.policies['script-src'] && csp.policies['script-src'].includes('\'unsafe-inline\'')
if (csp.unsafeInlineCompatibility || !containsUnsafeInlineScriptSrc) {
const hash = crypto.createHash(csp.hashAlgorithm) const hash = crypto.createHash(csp.hashAlgorithm)
hash.update(serializedSession) hash.update(serializedSession)
cspScriptSrcHashes.push(`'${csp.hashAlgorithm}-${hash.digest('base64')}'`) cspScriptSrcHashes.push(`'${csp.hashAlgorithm}-${hash.digest('base64')}'`)