wehub-resource-sync
54 lines
1.6 KiB
Python
Executable File
54 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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"""License-gate policy check over a ScanCode Toolkit JSON scan.
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Usage: license-gate-check.py <scan.json> <license-policy.json>
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Fails (exit 1) if ANY scanned file carries a detected license expression
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containing an SPDX id outside the policy allow-list — one finding is enough.
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"""
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import json
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import re
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import sys
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def main():
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scan_path, policy_path = sys.argv[1], sys.argv[2]
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with open(policy_path) as fh:
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policy = json.load(fh)
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allowed = {x.lower() for x in policy["allowed_spdx_ids"]}
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ignored_paths = tuple(policy.get("ignored_paths", []))
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skip_tokens = {"and", "or", "with", ""}
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with open(scan_path) as fh:
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scan = json.load(fh)
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violations = []
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checked = 0
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for f in scan.get("files", []):
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path = f.get("path", "?")
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if f.get("type") != "file":
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continue
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if ignored_paths and path.startswith(ignored_paths):
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continue
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expr = f.get("detected_license_expression_spdx")
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if not expr:
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continue
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checked += 1
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for tok in re.split(r"[\s()]+", expr):
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if tok.lower() in skip_tokens:
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continue
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if tok.lower() not in allowed:
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violations.append((path, expr, tok))
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break
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if violations:
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print("BLOCKED: %d file(s) with non-allow-listed license detections:" % len(violations))
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for path, expr, tok in violations[:25]:
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print(" %s: '%s' (offending id: %s)" % (path, expr, tok))
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sys.exit(1)
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print("OK: %d detection(s), all allow-listed" % checked)
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if __name__ == "__main__":
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main()
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