pwned-search/pwned.mos
Andre McCurdy 33899e9a50 Support spaces (leading, trailing or embedded) in bash versions (#32)
Also minor unrelated quoting cleanup.

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
2019-10-07 11:05:06 +01:00

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#!/bin/bash
# FAIR License, Copyright (c) 2019 72Zn
# Usage of the works is permitted provided that this instrument is retained
# with the works, so that any entity that uses the works is notified of this
# instrument.
# DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
# usage examples:
# ./pwned.mos [pw1] [pw2] ...
# ./pwned.mos < <file_with_passwords>
# echo pw | ./pwned.mos
PWNAPI="https://api.pwnedpasswords.com/range"
lookup_pwned_api() {
local pass="$1"
local pwhash=$(printf "%s" "$pass" | shasum -a 1 | cut -d" " -f1)
local curlrv=$(curl -s "$PWNAPI/${pwhash:0:5}")
[ -z "$curlrv" ] && echo "$pass could not be checked" && return
local result=$(echo "$curlrv" | grep -i "${pwhash:5:35}")
if [ -n "$result" ]; then
local occ=$(printf "%s" "${result}" | cut -d: -f2 | sed 's/[^0-9]*//g')
printf "%s was found with %s occurances (hash: %s)\n" "$pass" "$occ" "$pwhash"
else
printf "%s was not found\n" "$pass"
fi
}
if [ "$#" -lt 1 ]; then
# read from file or stdin (one password per line)
while IFS=$'\r\n' read -r pw; do
lookup_pwned_api "$pw"
done
else
# read arguments
for pw in "$@"; do
lookup_pwned_api "$pw"
done
fi