Cross-Site Request Forgery (CSRF) prevention.
Create a middleware for CSRF token creation and validation.
✅ Supports Node.js server & serverless environments
✅ Supports both universal and client-side rendering (ssr: true|false)
✅ TypeScript
yarn add nuxt-csurf # yarn
npm i nuxt-csurf # npmThe only thing you need to do to use the module in the default configuration is to register the module in the modules array in nuxt.config.ts:
// nuxt.config.js
{
modules: [
"nuxt-csurf",
],
csurf: { // optional
https: false, // default true if in production
cookieKey: '', // "__Host-csrf" if https is true otherwise just "csrf"
cookie: { // CookieSerializeOptions from unjs/cookie-es
path: '/',
httpOnly: true,
sameSite: 'strict'
},
methodsToProtect: ['POST', 'PUT', 'PATCH'], // the request methods we want CSRF protection for
excludedUrls: ['/nocsrf1', ['/nocsrf2/.*', 'i']], // any URLs we want to exclude from CSRF protection
encryptSecret: /** a 32 bits secret */, // only for non serverless runtime, random bytes by default
encryptAlgorithm: 'aes-256-cbc' // by default 'aes-256-cbc' (node), 'AES-CBC' (serverless)
}
}This composable provides a convenient wrapper around useFetch. It automatically adds the CSRF token in headers.
const { data, pending, error, refresh } = useCsrfFetch('/api/login', { query: param1: 'value1' })This helper provides a convenient wrapper around $fetch. It automatically adds the CSRF token in headers.
const { $csrfFetch } = useNuxtApp()
const { data } = await $csrfFetch('/api/login', { method: 'POST', body: …, headers: … })Use this composable if you need to access to the CSRF token value.
const { csrf } = useCsrf()
console.log(csrf) // something like: mo4+MrFaeXP7fhAie0o2qw==:tLUaqtHW6evx/coGQVAhtGAR+v6cxgFtrqmkOsuAMag8PHRnMwpbGGUO0TPJjL+4- inspired by tiny-csrf and expressjs/csurf
- see OWASP CSRF cheatsheet
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