60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
#!/usr/bin/env python3
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"""Simple JSON validator that generates SHA256 checksums for verification."""
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import json
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import sys
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import hashlib
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from pathlib import Path
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def validate_json_file(filepath: str) -> tuple[bool, str]:
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"""Validate a JSON file and return (is_valid, error_message)."""
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try:
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with open(filepath, 'r') as f:
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json.load(f)
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return True, ""
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except json.JSONDecodeError as e:
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return False, f"Invalid JSON: {e}"
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except FileNotFoundError:
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return False, f"File not found: {filepath}"
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except Exception as e:
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return False, f"Error: {e}"
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def compute_sha256(filepath: str) -> str:
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"""Compute SHA256 hash of a file."""
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sha256_hash = hashlib.sha256()
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with open(filepath, 'rb') as f:
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for byte_block in iter(lambda: f.read(4096), b""):
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sha256_hash.update(byte_block)
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return sha256_hash.hexdigest()
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def main():
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if len(sys.argv) < 2:
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print("Usage: json_sha256_validator.py <file1.json> [file2.json ...]")
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sys.exit(1)
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results = []
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all_valid = True
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for filepath in sys.argv[1:]:
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is_valid, error = validate_json_file(filepath)
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if is_valid:
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checksum = compute_sha256(filepath)
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results.append(f"VALID {filepath} SHA256={checksum}")
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else:
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results.append(f"INVALID {filepath} ERROR={error}")
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all_valid = False
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for r in results:
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print(r)
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if all_valid:
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sys.exit(0)
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else:
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sys.exit(1)
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if __name__ == "__main__":
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main() |