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feat: add --policy flag in verify-policy command for example policies #1189

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feat: add --policy flag in verify-policy command for example policies #1189

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05a9d27
feat: add --policy flag in verify-policy command for example policies
Demolus13 Sep 28, 2025
d781d85
feat: add policy template modification for standardization
Demolus13 Sep 29, 2025
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19 changes: 19 additions & 0 deletions src/macaron/__main__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -197,14 +197,31 @@ def verify_policy(verify_policy_args: argparse.Namespace) -> int:
show_prelude(verify_policy_args.database)
return os.EX_OK

policy_content = None
if verify_policy_args.file:
if not os.path.isfile(verify_policy_args.file):
logger.critical('The policy file "%s" does not exist.', verify_policy_args.file)
return os.EX_OSFILE

with open(verify_policy_args.file, encoding="utf-8") as file:
policy_content = file.read()
elif verify_policy_args.policy:
policy_dir = os.path.join(macaron.MACARON_PATH, "resources/policies/datalog")
available_policies = [policy[:-12] for policy in os.listdir(policy_dir) if policy.endswith(".dl.template")]
if verify_policy_args.policy not in available_policies:
logger.error(
"The policy %s is not available. Available policies are: %s",
verify_policy_args.policy,
available_policies,
)
return os.EX_USAGE
policy_path = os.path.join(policy_dir, f"{verify_policy_args.policy}.dl.template")
with open(policy_path, encoding="utf-8") as file:
policy_content = file.read()
if verify_policy_args.package_url:
policy_content = policy_content.replace("<PACKAGE_PURL>", verify_policy_args.package_url)

if policy_content:
result = run_policy_engine(verify_policy_args.database, policy_content)
vsa = generate_vsa(policy_content=policy_content, policy_result=result)
if vsa is not None:
Expand Down Expand Up @@ -538,7 +555,9 @@ def main(argv: list[str] | None = None) -> None:
vp_group = vp_parser.add_mutually_exclusive_group(required=True)

vp_parser.add_argument("-d", "--database", required=True, type=str, help="Path to the database.")
vp_parser.add_argument("-purl", "--package-url", help="PackageURL for policy template.")
vp_group.add_argument("-f", "--file", type=str, help="Path to the Datalog policy.")
vp_group.add_argument("-p", "--policy", help="Example policy to run.")
vp_group.add_argument("-s", "--show-prelude", action="store_true", help="Show policy prelude.")

# Find the repo and commit of a passed PURL, or the commit of a passed PURL and repo.
Expand Down
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