55 lines
1.5 KiB
Bash
Executable File
55 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ---
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# @file_name: japg.sh
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# @version: 1.0.0
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# @description: Generate a passphrase
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# @author: Jamie Albert (empty_produce)
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# @author_contact: <mailto:empty.produce@flatmail.me>
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# @license: GNU Affero General Public License v3.0 (Included in LICENSE)
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# Copyright (C) 2025, Jamie Albert
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# ---
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set -euo pipefail
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WORD_LIST='/usr/share/dict/japg.list'
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DEFAULT_WORDS=5
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DEFAULT_DELIM='-'
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error() { printf 'Error: %s\n' "$*" >&2; exit 1; }
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info() { printf '%s\n' "$*"; }
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# ---
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# Description: Main routine.
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# Globals: WORD_LIST, DEFAULT_WORDS, DEFAULT_DELIM
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# ---
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main() {
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local num_words=${1:-$DEFAULT_WORDS}
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local delim=${2:-$DEFAULT_DELIM}
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[[ "$num_words" =~ ^[1-9][0-9]*$ ]] || error "num_words must be a positive integer"
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[[ -f "$WORD_LIST" ]] || error "Word-list not found: $WORD_LIST"
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command -v xclip >/dev/null || error "xclip not found (install xclip)"
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# 1. Pick words
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local -a words
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mapfile -t words < <(shuf -n "$num_words" "$WORD_LIST")
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# 2. Capitalise every word
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local i
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for i in "${!words[@]}"; do
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words[i]=$(printf '%s' "${words[i]}" | sed 's/^\(.\)/\U\1/')
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done
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# 3. Append digit to one random word
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local dig_idx=$(( RANDOM % num_words ))
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words[dig_idx]+=$(( RANDOM % 10 ))
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# 4. Join with delimiter
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local pass
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pass=$(IFS="$delim"; printf '%s' "${words[*]}")
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# 5. Copy and report
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printf '%s' "$pass" | xclip -selection clipboard
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info "Generated password: $pass"
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info "Password copied to clipboard."
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}
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main "$@"
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