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fix: nonce and ssg usage #181

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merged 2 commits into from
Jul 19, 2023
Merged

fix: nonce and ssg usage #181

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b25342d
fix(nonce): set nonce value when using ssg
trijpstra-fourlights Jul 18, 2023
0c24f69
fix(nonce): make sure nonce nitro plugin is executed last
trijpstra-fourlights Jul 18, 2023
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20 changes: 10 additions & 10 deletions src/module.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -230,32 +230,32 @@ const registerSecurityNitroPlugins = (
config.plugins.push(
normalize(
fileURLToPath(
new URL("./runtime/nitro/plugins/hidePoweredBy", import.meta.url)
new URL("./runtime/nitro/plugins/01-hidePoweredBy", import.meta.url)
)
)
);
}

// Nitro plugin to enable nonce for CSP
if (nuxt.options.security.nonce) {
// Register nitro plugin to enable CSP for SSG
if (
typeof securityOptions.headers === "object" &&
securityOptions.headers.contentSecurityPolicy
) {
config.plugins.push(
normalize(
fileURLToPath(
new URL("./runtime/nitro/plugins/cspNonce", import.meta.url)
new URL("./runtime/nitro/plugins/02-cspSsg", import.meta.url)
)
)
);
}

// Register nitro plugin to enable CSP for SSG
if (
typeof securityOptions.headers === "object" &&
securityOptions.headers.contentSecurityPolicy
) {
// Nitro plugin to enable nonce for CSP
if (nuxt.options.security.nonce) {
config.plugins.push(
normalize(
fileURLToPath(
new URL("./runtime/nitro/plugins/cspSsg", import.meta.url)
new URL("./runtime/nitro/plugins/99-cspNonce", import.meta.url)
)
)
);
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0 src/runtime/nitro/plugins/hidePoweredBy.ts → ...runtime/nitro/plugins/01-hidePoweredBy.ts
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0 src/runtime/nitro/plugins/cspSsg.ts → src/runtime/nitro/plugins/02-cspSsg.ts
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6 changes: 6 additions & 0 deletions src/runtime/nitro/plugins/cspNonce.ts → src/runtime/nitro/plugins/99-cspNonce.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,12 @@ export default <NitroAppPlugin> function (nitro) {

if (!nonce) { return }

// Replace nonce attribute in http-equiv meta tag
html.head = html.head.map((meta) => {
if (!meta.startsWith('<meta http-equiv="Content-Security-Policy"')) { return meta }
return meta.replaceAll('{{nonce}}', nonce)
})

// Add nonce attribute to all link tags
html.head = html.head.map(link => link.replaceAll(tagNotPrecededByQuotes('link'), `<link nonce="${nonce}"`))
html.bodyAppend = html.bodyAppend.map(link => link.replaceAll(tagNotPrecededByQuotes('link'), `<link nonce="${nonce}"`))
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