'use strict'
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const ExtensionResponse = require('../extension-response')
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/**
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* Implements the "Who Am I" extension defined by
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* https://www.rfc-editor.org/rfc/rfc4532.
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*/
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class WhoAmIResponse extends ExtensionResponse {
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/**
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* Given a basic {@link ExtensionResponse} with a buffer string in
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* `responseValue`, parse into a specific {@link WhoAmIResponse}
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* instance.
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*
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* @param {ExtensionResponse} response
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*
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* @returns {WhoAmIResponse}
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*/
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static fromResponse (response) {
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if (response.responseValue === undefined) {
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return new WhoAmIResponse()
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}
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const valueBuffer = Buffer.from(response.responseValue.substring(8), 'hex')
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const responseValue = valueBuffer.toString('utf8')
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return new WhoAmIResponse({ responseValue })
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}
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}
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module.exports = WhoAmIResponse
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