litellm/.github/e2e-stack/redact_output.py

83 lines
2.9 KiB
Python

import argparse
import os
import sys
from functools import reduce
from pathlib import Path
from typing import Final
from xml.sax.saxutils import escape
from pydantic import JsonValue, TypeAdapter, ValidationError
from secrets_to_env import MIN_MASKED_LENGTH
REDACTED: Final = "***"
json_adapter: Final[TypeAdapter[JsonValue]] = TypeAdapter(JsonValue)
def string_leaves(node: JsonValue) -> tuple[str, ...]:
match node:
case str():
return (node,)
case list():
return tuple(leaf for child in node for leaf in string_leaves(child))
case dict():
return tuple(leaf for child in node.values() for leaf in string_leaves(child))
return ()
def field_lines(value: str) -> tuple[str, ...]:
try:
return tuple(line for leaf in string_leaves(json_adapter.validate_json(value)) for line in leaf.splitlines())
except ValidationError:
return ()
def masked_values(values_files: tuple[Path, ...]) -> tuple[str, ...]:
values: Final = frozenset(
line.split("=", 1)[1].strip().strip("'")
for path in values_files
for line in path.read_text().splitlines()
if "=" in line
)
texts: Final = frozenset(text for value in values for text in (value, *field_lines(value)))
renderings: Final = frozenset(
rendering
for text in texts
if len(text) >= MIN_MASKED_LENGTH
for rendering in (text, escape(text), escape(text, {'"': """}))
)
return tuple(sorted(renderings, key=lambda rendering: (-len(rendering), rendering)))
def redact(text: str, values: tuple[str, ...]) -> str:
return reduce(lambda redacted, value: redacted.replace(value, REDACTED), values, text)
def write_redacted(source: Path, out_dir: Path, values: tuple[str, ...]) -> None:
target: Final = out_dir / source.name
with os.fdopen(os.open(target, os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_NOFOLLOW, 0o600), "w") as handle:
_ = handle.write(redact(source.read_text(errors="replace"), values))
def main() -> int:
parser: Final = argparse.ArgumentParser()
_ = parser.add_argument("--values", action="append", type=Path, required=True)
_ = parser.add_argument("--out", type=Path, required=True)
_ = parser.add_argument("files", nargs="*", type=Path)
args: Final = parser.parse_args()
values_files: Final = tuple(args.values)
out_dir: Final[Path] = args.out
sources: Final = tuple(args.files)
try:
values: Final = masked_values(values_files)
out_dir.mkdir(mode=0o700, exist_ok=True)
for source in sources:
write_redacted(source, out_dir, values)
except OSError as error:
_ = sys.stderr.write(f"could not redact {error.filename}\n")
return 1
_ = sys.stdout.write(f"redacted {len(sources)} file(s) into {out_dir}\n")
return 0
if __name__ == "__main__":
sys.exit(main())