cf-api

#!/bin/bash

set -eu

if [ "$#" -lt 1 ]; then
	echo "USAGE: $0 [--zone-id ZONE | --zone ZONE] METHOD PATH [--body BODY] {KEY=VALUE}" >&2
	echo "KEY=VALUEs go into the query string" >&2
	echo "If zone-id given, /zones/ZONE/ is prepended to path" >&2
	echo "If zone given, zone name is looked up and /zones/ID of that zone is prepended." >&2
	exit 1
fi

if [ -n "${CF_TOKEN:-}" ]; then
	AUTH=("-H" "Authorization: Bearer $CF_TOKEN")
elif [ -n "${CF_EMAIL:-}" ]; then
	CF_KEY=$(pass show work/cloudflare/api-key)
	AUTH=("-H" "X-Auth-Key: $CF_KEY" "-H" "X-Auth-Email: $CF_EMAIL")
else
	echo "CF_TOKEN or CF_EMAIL required" >&2
	exit 1
fi

BASE="https://api.cloudflare.com/client/v4"

if [ "$1" == "--zone-id" ]; then
	URL="$BASE/zones/$2/$4"
	METHOD="$3"
	shift 3
elif [ "$1" == "--zone" ]; then
	ID=$(
		"$0" GET zones name="$2" | jq -r '.result[]|.id'
	)
	if [ -z "$ID" ]; then
		echo "Zone with name $2 not found" >&2
		echo 1
	fi
	URL="$BASE/zones/$ID/$4"
	METHOD="$3"
	shift 4
else
	URL="$BASE/$2"
	METHOD="$1"
	shift 2
fi

if [ "${1:-}" == "--body" ]; then
	BODY=(--data "$2")
	shift 2
else
	BODY=()
fi

if [ "$#" -gt 0 ]; then
	QUERY="$1"
	shift
	for param in "$@"; do
		QUERY="${QUERY}&$param"
	done
	URL="$URL?$QUERY"
fi

log() {
	if [ -n "${VERBOSE:-}" ]; then
		echo "Running: $*" >&2
	fi
	"$@"
}

log curl -Ss -X "$METHOD" "$URL" "${AUTH[@]}" -H "Content-Type: application/json" "${BODY[@]}" | jq .