addApiMethod

#!/bin/bash
set -euo pipefail

# addApiMethod — Register a new API method as a system user.
# Usage: addApiMethod <method_name>
#
# Creates a system user whose login shell is the method script at
# /opt/sshAsApi/<method_name>. The user is added to the sshapi group
# (gid 666) and public-key authentication is configured by default.

if [ $# -ne 1 ]; then
    echo "Usage: addApiMethod <method_name>"
    exit 1
fi

METHOD_NAME="$1"
METHOD_PATH="/opt/sshAsApi/${METHOD_NAME}"

if [ ! -f "${METHOD_PATH}" ]; then
    echo "Error: method script not found at ${METHOD_PATH}"
    exit 1
fi

adduser --system \
    --home "/home/${METHOD_NAME}" \
    --gid 666 \
    --shell "${METHOD_PATH}" \
    --disabled-password \
    "${METHOD_NAME}"

chown "${METHOD_NAME}" "${METHOD_PATH}"
chmod 500 "${METHOD_PATH}"

# Set public-key authentication as default
/root/commands/authConfig "${METHOD_NAME}" PUBLIC_KEY