New Log Event

//native

import * as wmill from "windmill-client"

async function getManagementToken(auth: RT.Auth0): Promise<string> {

  const response = await fetch(`https://${auth.domain}/oauth/token`, {

    method: "POST",

    headers: { "Content-Type": "application/json" },

    body: JSON.stringify({

      grant_type: "client_credentials",

      client_id: auth.client_id,

      client_secret: auth.client_secret,

      audience: `https://${auth.domain}/api/v2/`,

    }),

  })

  if (!response.ok) {

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

  }

  const { access_token } = (await response.json()) as { access_token: string }

  return access_token

}

/**

 * New Log Event

 * Emits new tenant log events (logins, errors, admin changes) since the last run, using Auth0 checkpoint pagination. The first run records the current position and returns nothing.

 */

export async function main(auth: RT.Auth0) {

  const token = await getManagementToken(auth)

  const lastLogId: string | undefined = await wmill.getState()

  // Bootstrap: record the latest log id and emit nothing on the first run.

  if (!lastLogId) {

    const bootstrapUrl = new URL(`https://${auth.domain}/api/v2/logs`)

    bootstrapUrl.searchParams.append("take", "1")

    bootstrapUrl.searchParams.append("sort", "date:-1")

    const bootstrapResponse = await fetch(bootstrapUrl, {

      headers: {

        Authorization: `Bearer ${token}`,

        Accept: "application/json",

      },

    })

    if (!bootstrapResponse.ok) {

      throw new Error(

        `${bootstrapResponse.status} ${await bootstrapResponse.text()}`

      )

    }

    const latest = (await bootstrapResponse.json()) as { log_id: string }[]

    if (latest.length > 0) await wmill.setState(latest[0].log_id)

    return []

  }

  const url = new URL(`https://${auth.domain}/api/v2/logs`)

  url.searchParams.append("from", lastLogId)

  url.searchParams.append("take", "100")

  const response = await fetch(url, {

    headers: {

      Authorization: `Bearer ${token}`,

      Accept: "application/json",

    },

  })

  if (!response.ok) {

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

  }

  const logs = (await response.json()) as { log_id: string }[]

  if (logs.length > 0) await wmill.setState(logs[logs.length - 1].log_id)

  return logs

}