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manual_slop/scripts/audit_no_temp_writes.py
T
ed 7baef97d2c feat(audit): add no-temp-writes audit + regression test
Tier 2 sandbox invariant: no production script under ./scripts/ may
write to the global %TEMP% directory (C:\\Users\\Ed\\AppData\\Local\\
Temp\\). All scratch / intermediate files must live in:
- ./tests/artifacts/  (for test artifacts)
- C:\\Users\\Ed\\AppData\\Local\\manual_slop\\tier2\\  (for app data)

Writing to %TEMP% breaks the sandbox boundary: the OpenCode session
fires the 'ask' prompt for paths outside the project root, halting
autonomous ops (the 2026-06-17 bug with audit_exception_handling.py
output being written to %TEMP% by the agent's shell redirection).

Convention enforcement (per conductor/workflow.md Audit Script Policy):

- scripts/audit_no_temp_writes.py: the canonical audit. Same shape
  as scripts/audit_exception_handling.py: --json for machine output,
  --strict for the CI gate (exits 1 on any violation). Patterns
  cover tempfile module, os.environ['TEMP'], C:\Users\Ed\AppData\Local\Temp, %TEMP%,
  /tmp/, etc. Excludes the throw-away archive at scripts/tier2/
  artifacts/ and itself (so it can find its own pattern defs).

- tests/test_no_temp_writes.py: default-on regression test. Calls
  the audit with --strict and asserts exit 0. If a new script
  under ./scripts/ ever uses %TEMP%, the test fails and CI breaks.

Current state: CLEAN. All 36 tier2 tests pass (1 new + 16 slash
command spec + 13 failcount + 6 opt-in). Sanity-checked: dropping
a fake 'import tempfile' script into ./scripts/ triggered exit 1
with 'FOUND 1 matches: scripts/_test_temp_check/test_uses_temp.py:1:
import tempfile'.

Future: also add a corresponding deny rule to the sandbox bash
permission in a follow-up if needed (already added in 03c9df84 for
the agent's own bash). The audit + test is the structural guard.
2026-06-17 16:30:50 -04:00

109 lines
3.4 KiB
Python

"""Scan ./scripts/** for any usage of the global %TEMP% directory.
Used to verify the Tier 2 sandbox invariant: no production script
under ./scripts/ may write to C:\\Users\\Ed\\AppData\\Local\\Temp\\
(or any other platform temp dir). All scratch / intermediate files
must live in:
- ./tests/artifacts/ (for test artifacts)
- C:\\Users\\Ed\\AppData\\Local\\manual_slop\\tier2\\ (for app data)
This script is the canonical audit. The persistent enforcement is
tests/test_no_temp_writes.py (a default-on pytest test that calls
this audit's main() and asserts the return code is 0).
Exit codes:
0 CLEAN: no script emits to %TEMP%
1 FOUND: at least one script uses %TEMP% (printed to stdout)
"""
import argparse
import json
import re
import sys
from pathlib import Path
# Patterns that indicate a script is using the global temp directory.
# The patterns cover:
# - Python: tempfile module, os.environ['TEMP'], etc.
# - PowerShell: $env:TEMP, $env:TMP
# - cmd: %TEMP%, %TMP%
# - Unix-style: /tmp/ (sometimes used in cross-platform code)
PATTERNS = [
r"tempfile\.",
r"gettempdir",
r"mkstemp",
r"NamedTemporaryFile",
r"TemporaryFile",
r"os\.environ\[.TEMP",
r"os\.environ\[.TMP",
r"os\.environ\.get..TEMP",
r"os\.environ\.get..TMP",
r"\$env:TEMP",
r"\$env:TMP",
r"%TEMP%",
r"%TMP%",
r"/tmp/",
r"\bTempDir\b",
r"\btempfile\b",
]
COMPILED = re.compile("|".join(PATTERNS), re.IGNORECASE)
# Throw-away scripts from prior Tier 2 tracks live here. They are
# archived for reference but are not part of the production code.
# The audit excludes them.
EXCLUDE_DIRS = {"scripts/tier2/artifacts"}
# This audit script itself contains the patterns it searches for.
# Exclude it so the audit can find its own pattern definitions.
EXCLUDE_FILES = {"scripts/audit_no_temp_writes.py"}
def find_violations(root: str = "scripts") -> list[dict[str, object]]:
"""Return a list of violations: each is {path, line, content}."""
results: list[dict[str, object]] = []
for f in Path(root).rglob("*"):
if not f.is_file():
continue
if f.suffix not in {".py", ".ps1", ".sh", ".bat", ".cmd", ".psm1"}:
continue
rel = str(f).replace("\\", "/")
if any(rel.startswith(d) for d in EXCLUDE_DIRS):
continue
if rel in EXCLUDE_FILES:
continue
try:
content = f.read_text(encoding="utf-8", errors="ignore")
except Exception:
continue
for i, line in enumerate(content.splitlines(), 1):
if COMPILED.search(line):
results.append({"path": rel, "line": i, "content": line.strip()})
return results
def main() -> int:
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument("--json", action="store_true", help="Output JSON instead of human-readable report")
parser.add_argument("--strict", action="store_true", help="Exit 1 if any violations are found (for CI use; the convention's CI gate)")
args = parser.parse_args()
violations = find_violations()
if args.json:
print(json.dumps({"violations": violations, "count": len(violations)}, indent=2))
else:
if not violations:
print("CLEAN: no script under ./scripts/ emits to %TEMP%")
else:
print(f"FOUND {len(violations)} matches:")
for v in violations:
print(f" {v['path']}:{v['line']}: {v['content']}")
return 1 if (args.strict and violations) else 0
if __name__ == "__main__":
sys.exit(main())