quickly create / list / delete purelymail.com aliases

purelymail-alias.sh

#!/bin/bash

set -euo pipefail

readonly token=purely-mail-token
readonly url=https://purelymail.com/api/v0
readonly domain=mail-domain.com
readonly target=name@$domain

request() {
  curl --silent --fail --location \
    --header "Purelymail-Api-Token: $token" \
    --json @- \
    $url/"$1"
}

list() {
  request listRoutingRules <<<'{}'
}

list_table() {
  list |
    jq --raw-output '.result.rules[] | "\(.id) \(if .matchUser == "" then "*" else .matchUser end) \(.domainName) \(.targetAddresses[])"' |
    column --table --table-columns ID,ALIAS,DOMAIN,TARGET --table-right ALIAS
}

create() {
  local user="$1"

  request createRoutingRule <<EOF | jq .
    {
      "domainName": "$domain",
      "prefix": false,
      "matchUser": "$user",
      "targetAddresses": ["$target"]
    }
EOF
}

remove() {
  local user id
  user="$1"
  id=$(list | jq --arg user "$user" '.result.rules.[] | select(.matchUser == $user).id')

  if [[ -z $id ]]; then
    echo >&2 "Alias $user not found"
    exit 1
  fi

  request deleteRoutingRule <<<"{ \"routingRuleId\": $id }" | jq .
}

usage() {
  echo "usage: $0 add alias | rm alias | ls"
  exit 1
}

if [[ $# == 0 || $# -gt 2 ]]; then
  usage
fi

case "$1" in
add | new) create "$2" ;;
rm | del | remove | delete) remove "$2" ;;
ls | list) list_table ;;
*) usage ;;
esac