mirror of
https://github.com/sunknudsen/privacy-guides.git
synced 2025-02-23 17:43:56 +00:00
86 lines
1.9 KiB
Bash
Executable File
86 lines
1.9 KiB
Bash
Executable File
#! /bin/bash
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set -e
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positional=()
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while [[ $# -gt 0 ]]; do
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argument="$1"
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case $argument in
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-h|--help)
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printf "%s\n" \
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"Usage: qr-restore.sh [options]" \
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"" \
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"Options:" \
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" --word-list split secret into word list" \
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" -h, --help display help for command"
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exit 0
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;;
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--word-list)
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word_list=true
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shift
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;;
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*)
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positional+=("$1")
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shift
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;;
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esac
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done
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set -- "${positional[@]}"
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bold=$(tput bold)
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red=$(tput setaf 1)
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normal=$(tput sgr0)
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tput reset
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printf "%s\n" "Scan QR code…"
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data=""
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while read line; do
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if echo -n $line | grep -Eq "^QR-Code:"; then
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line=$(echo -n $line | sed 's/QR-Code://')
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fi
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data="$data$line"
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if [ "$line" = "-----END PGP MESSAGE-----" ]; then
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killall zbarcam --signal SIGINT
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else
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data="$data\n"
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fi
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done < <(zbarcam --nodisplay --quiet)
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encrypted_secret=$(echo -e $data)
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encrypted_secret_hash=$(echo -n "$encrypted_secret" | openssl dgst -sha512 | sed 's/^.* //')
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encrypted_secret_short_hash=$(echo -n "$encrypted_secret_hash" | head -c 8)
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printf "%s\n" "$encrypted_secret"
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printf "%s: $bold%s$normal\n" "SHA512 hash" "$encrypted_secret_hash"
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printf "%s: $bold%s$normal\n" "SHA512 short hash" "$encrypted_secret_short_hash"
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printf "$bold$red%s$normal\n" "Show secret? (y or n)? "
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read -r answer
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if [ "$answer" = "y" ]; then
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secret=$(echo -e "$encrypted_secret" | gpg --decrypt)
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gpg-connect-agent reloadagent /bye > /dev/null 2>&1
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if [ "$word_list" = true ]; then
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printf "%s" "Secret: "
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array=($secret)
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last_index=$(echo "${#array[@]} - 1" | bc)
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for index in ${!array[@]}; do
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position=$(($index + 1))
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printf "%d. $bold%s$normal" "$position" "${array[$index]}"
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if [ $index -lt $last_index ]; then
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printf " "
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fi
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done
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printf "\n"
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else
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printf "Secret: $bold%s$normal\n" "$secret"
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fi
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fi
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printf "%s\n" "Done"
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