electron/build/checksum_header.py
Keeley Hammond 2e5a0b7220
fix: ensure snapshot is valid (#48102)
* feat: add support for embedder snapshot validation

* fix: cpp lint
2025-08-18 14:37:21 -07:00

37 lines
837 B
Python

#!/usr/bin/env python3
import os
import sys
import hashlib
dir_path = os.path.dirname(os.path.realpath(__file__))
TEMPLATE_H = """
#ifndef ELECTRON_SNAPSHOT_CHECKSUM_H_
#define ELECTRON_SNAPSHOT_CHECKSUM_H_
namespace electron::snapshot_checksum {
const std::string kChecksum = "{checksum}";
} // namespace electron::snapshot_checksum
#endif // ELECTRON_SNAPSHOT_CHECKSUM_H_
"""
def calculate_sha256(filepath):
sha256_hash = hashlib.sha256()
with open(filepath, "rb") as f:
for byte_block in iter(lambda: f.read(4096), b""):
sha256_hash.update(byte_block)
return sha256_hash.hexdigest()
input_file = sys.argv[1]
output_file = sys.argv[2]
checksum = calculate_sha256(input_file)
checksum_h = TEMPLATE_H.replace("{checksum}", checksum)
with open(output_file, 'w') as f:
f.write(checksum_h)