29 lines
855 B
JavaScript
29 lines
855 B
JavaScript
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"use strict"
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Object.defineProperty(exports, "__esModule", { value: true })
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function parseMaxAge(value = 0) {
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if (value >= 0 && Number.isFinite(value)) {
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return Math.floor(value)
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} else {
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throw new Error(`Expect-CT: ${JSON.stringify(value)} is not a valid value for maxAge. Please choose a positive integer.`)
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}
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}
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function getHeaderValueFromOptions(options) {
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const directives = [`max-age=${parseMaxAge(options.maxAge)}`]
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if (options.enforce) {
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directives.push("enforce")
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}
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if (options.reportUri) {
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directives.push(`report-uri="${options.reportUri}"`)
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}
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return directives.join(", ")
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}
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function expectCt(options = {}) {
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const headerValue = getHeaderValueFromOptions(options)
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return function expectCtMiddleware(_req, res, next) {
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res.setHeader("Expect-CT", headerValue)
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next()
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}
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}
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module.exports = expectCt
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exports.default = expectCt
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