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468ab4519e
PR-URL: https://github.com/nodejs/node/pull/20190 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
25 lines
862 B
JavaScript
25 lines
862 B
JavaScript
const url = require('url')
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module.exports = setWarning
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function setWarning (reqOrRes, code, message, replace) {
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// Warning = "Warning" ":" 1#warning-value
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// warning-value = warn-code SP warn-agent SP warn-text [SP warn-date]
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// warn-code = 3DIGIT
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// warn-agent = ( host [ ":" port ] ) | pseudonym
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// ; the name or pseudonym of the server adding
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// ; the Warning header, for use in debugging
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// warn-text = quoted-string
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// warn-date = <"> HTTP-date <">
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// (https://tools.ietf.org/html/rfc2616#section-14.46)
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const host = url.parse(reqOrRes.url).host
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const jsonMessage = JSON.stringify(message)
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const jsonDate = JSON.stringify(new Date().toUTCString())
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const header = replace ? 'set' : 'append'
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reqOrRes.headers[header](
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'Warning',
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`${code} ${host} ${jsonMessage} ${jsonDate}`
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)
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}
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