初版
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""PreToolUse guard:人格鎖驗證 + 跨人格資料隔離(唯一的強制執行點)。
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擋下的情形:
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* 讀寫非「本 session 當前人格」的人格目錄(含 Read/Write/Edit/Glob/Grep/Bash)
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* guest(persona-guest sub agent)寫入任何人格檔案,或換讀別的人格
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* CLI 帶假的 --session(冒用其他程序身分)
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* 目標人格的鎖屬於其他還活著的程序
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"""
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from __future__ import annotations
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import json
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import sys
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "scripts"))
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import persona_lib as pl # noqa: E402
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def main() -> int:
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try:
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event = json.load(sys.stdin)
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except json.JSONDecodeError:
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return 0
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try:
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decision, reason = pl.guard_decide(event)
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except Exception as exc: # guard 自己壞掉不該擋住整個 session
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print(f"persona guard 內部錯誤:{exc}", file=sys.stderr)
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return 0
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if decision != "deny":
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return 0
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print(json.dumps({
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"hookSpecificOutput": {
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"hookEventName": "PreToolUse",
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"permissionDecision": "deny",
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"permissionDecisionReason": f"[jsc-persona 隔離] {reason}",
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}
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}, ensure_ascii=False))
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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