97 lines
2.6 KiB
Text
97 lines
2.6 KiB
Text
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#!/usr/bin/env bash
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# Copyright 2025 Emile Clark-Boman
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -euo pipefail
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USAGE="${BOLD}${UNDERLINE}${RED}Usage${RESET}
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${BOLD}${GREEN}$THIS new cache-key [option...]${RESET}
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${BOLD}${UNDERLINE}${RED}Options${RESET}
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${BOLD}${MAGENTA}-h, --help${RESET} Show this message (^_^)
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${BOLD}${MAGENTA}-o, --out${RESET} Private key file name to write to (the public key is named identically but ends with ${BOLD}${MAGENTA}.pub${RESET})
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${BOLD}${MAGENTA}-j, --json${RESET} Output in JSON format
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${BOLD}${MAGENTA}-f, --force${RESET} Ignores all warnings!!"
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# ==== Argument Values ====
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OUT=''
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JSON=false
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FORCE=false
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# ==== Argument Values ====
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# parse all args
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while [[ $# -gt 0 ]]; do
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ARG="$1"
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case "$ARG" in
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-h|--help)
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throw-usage 0
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;;
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-o|--out)
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shift
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OUT="$1"; shift
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;;
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-j|--json)
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shift
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JSON=true
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;;
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-f|--force)
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shift
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FORCE=true
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;;
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-*)
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throw-badflag 1 "$ARG"
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;;
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*)
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throw-badarg 1 "$ARG"
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;;
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esac
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done; unset -v ARG
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# generate our keypair
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PRIV_KEY=$(wg genkey)
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PUB_KEY=$(wg pubkey <<<"$PRIV_KEY")
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# NOTE: same logic as `subcmds/new/cache-key`
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# result defaults to unset (only stays unset if we intend on writing to a file)
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RESULT=""
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# JSON formatting
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if [[ "$JSON" = true ]]; then
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RESULT="{
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\"privateKey\": \"${PRIV_KEY}\"
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\"publicKey\": \"${PUB_KEY}\"
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}"
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if [[ -n "$OUT" ]]; then
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# confirm the user understands files will be overwritten
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[[ "$FORCE" = true ]] || confirm-file-overwrite "$OUT" || exit 0
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echo -e "$RESULT" > "$OUT"
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else
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echo -e "$RESULT"
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fi
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# standard formatting (stdout)
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elif [[ -z "$OUT" ]]; then
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echo -e "${BOLD}${UNDERLINE}${RED}Private Key${RESET}
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${BOLD}${GREEN}${PRIV_KEY}${RESET}
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${BOLD}${UNDERLINE}${RED}Public Key${RESET}
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${BOLD}${GREEN}${PUB_KEY}${RESET}"
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# standard formatting (files)
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else
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# confirm the user understands files will be overwritten
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[[ "$FORCE" = true ]] || confirm-file-overwrite "$OUT" "$OUT.pub" || exit 0
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echo "$PRIV_KEY" > "$OUT"
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echo "$PUB_KEY" > "$OUT.pub"
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fi;
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unset -v OUT PRIV_KEY PUB_KEY RESULT
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