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module.exports = {
meta: {
type: 'problem',
docs: {
description: 'disallow usage of CSRF tokens in JavaScript',
url: require('../url')(module),
},
schema: [],
},
create(context) {
function checkAuthenticityTokenUsage(node, str) {
if (str.includes('authenticity_token')) {
context.report({
node,
message:
'Form CSRF tokens (authenticity tokens) should not be created in JavaScript and their values should not be used directly for XHR requests.',
})
}
}
return {
Literal(node) {
if (typeof node.value === 'string') {
checkAuthenticityTokenUsage(node, node.value)
}
},
}
},
}