#!/usr/bin/env bash
#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2020-01-07 11:57:18 +0000 (Tue, 07 Jan 2020)
#
#  https://github.com/harisekhon/bash-tools
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/harisekhon
#

# Finds and prints all policies directly attached to users (anti-best practice) instead of groups

set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x

# prefix user column only if there is any output
prefix_user(){
    sed "s/^\\(.\\)/${user}   &/"
    #while read line; do
    #    if [ -n "$line" ]; then
    #        echo "$user $line"
    #    fi
    #done
}

echo "output will be formatted in to columns at end" >&2
echo "getting user list" >&2
aws iam list-users |
jq -r '.Users[].UserName' |
while read -r user; do
    echo "querying user $user" >&2
    aws iam list-attached-user-policies --user-name "$user" | jq -r '.AttachedPolicies[] | [.PolicyName, .PolicyArn] | @tsv' | prefix_user
    aws iam list-user-policies --user-name "$user" | jq -r '.PolicyNames[] | [.PolicyName, .PolicyArn] | @tsv' | prefix_user
done |
column -t