Function parseOAuthTokenResponse

cli/src/utils/chatgpt-oauth.ts:26–62

(data: unknown)

import type { ChatGptOAuthCredentials } from '@codebuff/sdk'

function parseOAuthTokenResponse(data: unknown): {
  accessToken: string
  refreshToken: string
  expiresInMs: number
} {
  if (!data || typeof data !== 'object') {
    throw new Error('Invalid token response format from ChatGPT OAuth.')
  }

  const tokenData = data as {
    access_token?: unknown
    refresh_token?: unknown
    expires_in?: unknown
  }

  if (
    typeof tokenData.access_token !== 'string' ||
    tokenData.access_token.trim().length === 0
  ) {
    throw new Error('Token exchange did not return a valid access token.')
  }

  const refreshToken =
    typeof tokenData.refresh_token === 'string' ? tokenData.refresh_token : ''
  const expiresInMs =
    typeof tokenData.expires_in === 'number' &&
    Number.isFinite(tokenData.expires_in) &&
    tokenData.expires_in > 0
      ? tokenData.expires_in * 1000
      : 3600 * 1000

  return {
    accessToken: tokenData.access_token,
    refreshToken,
    expiresInMs,
  }
}

function toBase64Url(buffer: Buffer): string {
  return buffer