Tilføj global toggle og konfigurerbar grænse for hash-validering

- ENABLE_HASH_VALIDATION (True/False) tilføjet til toppen af scriptet
- HASH_THRESHOLD_MB tilføjet for nem justering af størrelsesgrænsen
- verify_integrity opdateret til at respektere begge indstillinger
This commit is contained in:
Martin Tranberg
2026-03-29 17:45:45 +02:00
parent 33fbdc244d
commit ed508302a6

View File

@@ -18,6 +18,10 @@ CHUNK_SIZE = 1024 * 1024 # 1MB Chunks
MAX_FOLDER_DEPTH = 50 MAX_FOLDER_DEPTH = 50
LOG_FILE = "sharepoint_download.log" LOG_FILE = "sharepoint_download.log"
# Hash Validation Settings
ENABLE_HASH_VALIDATION = True # Set to False to only check file size
HASH_THRESHOLD_MB = 30 # Only hash files smaller than this (in MB)
# Setup Logging # Setup Logging
logging.basicConfig( logging.basicConfig(
level=logging.INFO, level=logging.INFO,
@@ -106,18 +110,16 @@ def quickxorhash(file_path):
result = h.to_bytes(20, byteorder='little') result = h.to_bytes(20, byteorder='little')
return base64.b64encode(result).decode('ascii') return base64.b64encode(result).decode('ascii')
# --- Integrity Thresholds ---
HASH_THRESHOLD_BYTES = 30 * 1024 * 1024 # 30 MB
def verify_integrity(local_path, remote_hash): def verify_integrity(local_path, remote_hash):
"""Verifies file integrity using Microsoft QuickXorHash. """Verifies file integrity based on global settings."""
Skips hash check for files larger than HASH_THRESHOLD_BYTES to save time.""" if not remote_hash or not ENABLE_HASH_VALIDATION:
if not remote_hash:
return True return True
file_size = os.path.getsize(local_path) file_size = os.path.getsize(local_path)
if file_size > HASH_THRESHOLD_BYTES: threshold_bytes = HASH_THRESHOLD_MB * 1024 * 1024
logger.info(f"Skipping hash check for large file (>30MB): {os.path.basename(local_path)} ({format_size(file_size)})")
if file_size > threshold_bytes:
logger.info(f"Skipping hash check (size > {HASH_THRESHOLD_MB}MB): {os.path.basename(local_path)}")
return True return True
local_hash = quickxorhash(local_path) local_hash = quickxorhash(local_path)