wagon/back/lib/admin/peer/list

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#!/bin/bash
# FILE: admin/peer/list
# DESCRIPTION: List peers for a user, or all peers
# USAGE: list $remote_ip $querystring
# QUERYSTRING: ?un=$username
source /etc/wagon/config
ip="${1}"; qs="$(<<<"${2}" tr '&' '\n' | sed 's/?//')"
un="$(<<<"${qs}" grep -oP 'un=(.*)' | sed 's/^un=//' | xargs)"
printf 'Admin %s requested peer listing...\n' "${ip}" >&2
# Create token if needed
token="$(grep "${ip}" /var/local/wagon/tokens | cut -f2)"
if [ "${token}" == "" ]; then
printf 'Creating token for %s...\n' "${ip}" >&2
token="$(</dev/urandom tr -dc '[:alnum:]' | fold -w64 | head -n1)"
printf '%s\t%s\n' "${ip}" "${token}" >>/var/local/wagon/tokens
fi
# Get peer IP list
if ! peers="$(sudo /usr/bin/wg show "${TLD}" allowed-ips)"; then
printf 'ERROR! Wireguard failed!\n' >&2
/usr/lib/wagon/http_res 500; exit
fi
# Filter out single user (if provided)
if [ "${un}" != '' ]; then
peers="$(grep "${IPV4_NET%.*.*}\.${un}\." <<<"${peers}" 2>/dev/null)"
if [ "${peers}" == '' ]; then
printf 'User number %s not found!\n' "${un}" >&2
printf 'User not found!\n' | /usr/lib/wagon/http_res 404; exit
fi
fi
# Get domains for each peer
if peers="[$(/usr/lib/wagon/ips_to_peers json <<<"${peers}")]"; then
printf '{"token":"%s","peers":%s}' "${token:?}" "${peers:?}" | /usr/lib/wagon/http_res 200 'application/json'
printf 'Sent peers to admin %s\n' "${ip}" >&2
else
printf 'ERROR: Failed to lookup user domain: %s\n' "${ip}" >&2
/usr/lib/wagon/http_res 500; exit
fi