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fix(nonce): override user-defined nonce values with Nuxt Image #593

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fix(nonce): override user-defined nonce values with Nuxt Image #593

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4 changes: 4 additions & 0 deletions src/runtime/nitro/plugins/40-cspSsrNonce.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import { resolveSecurityRules } from '../context'
import { generateRandomNonce } from '../../../utils/crypto'

const LINK_RE = /<link([^>]*?>)/gi
const NONCE_RE = /nonce="[^"]+"/i
const SCRIPT_RE = /<script([^>]*?>)/gi
const STYLE_RE = /<style([^>]*?>)/gi

Expand Down Expand Up @@ -58,6 +59,9 @@ export default defineNitroPlugin((nitroApp) => {
}
// Add nonce to all link tags
element = element.replace(LINK_RE, (match, rest) => {
if (NONCE_RE.test(rest)) {
return match.replace(NONCE_RE, `nonce="${nonce}"`);
}
return `<link nonce="${nonce}"` + rest
})
// Add nonce to all script tags
Expand Down
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