Update CNAME record

//native

function wapiUrl(auth: RT.InfobloxNios, path: string) {

  const host = auth.host

    .trim()

    .replace(/^https?:\/\//, "")

    .replace(/\/+$/, "")

  const version = auth.wapi_version.trim().replace(/^v/, "")

  return new URL(`https://${host}/wapi/v${version}/${path}`)

}

function refUrl(auth: RT.InfobloxNios, ref: string, type: string) {

  // Encode each segment so ?, # or .. in a ref can't reach another path or query.

  const segments = ref.split("/")

  if (

    segments[0] !== type ||

    segments.length < 2 ||

    segments.some((s) => s === "." || s === "..")

  ) {

    throw new Error(`Expected a ${type} reference, got: ${ref}`)

  }

  return wapiUrl(

    auth,

    segments.map((s) => encodeURIComponent(s).replace(/%3A/gi, ":")).join("/")

  )

}

function basicAuth(auth: RT.InfobloxNios) {

  const bytes = new TextEncoder().encode(`${auth.username}:${auth.password}`)

  return `Basic ${btoa(String.fromCharCode(...bytes))}`

}

/**

 * Update CNAME record

 * Change the alias name, canonical name, TTL or comment of a CNAME record, identified by its _ref (from Search records). Empty inputs are left unchanged.

 */

export async function main(

  auth: RT.InfobloxNios,

  ref: string,

  name: string | undefined,

  canonical: string | undefined,

  ttl: number | undefined,

  comment: string | undefined

) {

  const body: { [key: string]: any } = {}

  if (name) body.name = name

  if (canonical) body.canonical = canonical

  if (ttl != null) {

    body.ttl = ttl

    body.use_ttl = true

  }

  if (comment) body.comment = comment

  if (Object.keys(body).length === 0) {

    throw new Error("Nothing to update: set at least one field")

  }

  const url = refUrl(auth, ref, "record:cname")

  url.searchParams.append("_return_fields+", "name,canonical,view,ttl,comment")

  url.searchParams.append("_return_as_object", "1")

  const response = await fetch(url, {

    method: "PUT",

    headers: {

      Authorization: basicAuth(auth),

      "Content-Type": "application/json",

      Accept: "application/json",

    },

    body: JSON.stringify(body),

  })

  if (!response.ok) {

    throw new Error(`${response.status} ${await response.text()}`)

  }

  return await response.json()

}