Function isEmailInDenylist

apps/sim/lib/auth/access-control.ts:30–38

(
  email: string | undefined | null,
  denylist: readonly string[] | null
)

 * subdomain of one.
 */
export function isEmailInDenylist(
  email: string | undefined | null,
  denylist: readonly string[] | null
): boolean {
  if (!denylist || denylist.length === 0 || !email) return false
  const domain = email.split('@')[1]?.toLowerCase()
  if (!domain) return false
  return denylist.some((entry) => domain === entry || domain.endsWith(`.${entry}`))
}

/**
 * True when the email is individually banned (`blockedEmails`) or its domain