Cloudflare v4 API ban and urban bash scripts

cf_ban

#!/bin/bash

# dependencies: curl

# example usage: cf_ban 192.168.0.1

# append cloudflare email address and API token:
USER=
TOKEN=

curl -sSX POST "https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules" \
-H "X-Auth-Email: $USER" \
-H "X-Auth-Key: $TOKEN" \
-H "Content-Type: application/json" \
--data "{\"mode\":\"block\",\"configuration\":{\"target\":\"ip\",\"value\":\"$1\"},\"notes\":\"Blocked via cf_ban script\"}"

cf_unban

#!/bin/bash

# dependencies: curl, jq (https://stedolan.github.io/jq/)

# example usage: cf_unban 192.168.0.1

# append cloudflare email address and API token:
USER=
TOKEN=

# get the rule ID
JSON=$(curl -sSX GET "https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules?mode=block&configuration_target=ip&configuration_value=$1" \
-H "X-Auth-Email: $USER" \
-H "X-Auth-Key: $TOKEN" \
-H "Content-Type: application/json")

ID=$(echo $JSON | jq -r '.result[].id')

# unban IP by deleting the rule
curl -sSX DELETE "https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules/$ID" \
-H "X-Auth-Email: $USER" \
-H "X-Auth-Key: $TOKEN" \
-H "Content-Type: application/json"

You can do a lot more than this with the v4 API. These little scripts are to minimally re-create ban and unban functionality from the v1 API.