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Add flag to skip clean objects #11

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Add flag to skip clean objects #11

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8e33ec6
Add flag to skip clean objects
cuchi Jun 23, 2023
1a58240
Apply suggestions from code review
cuchi Jul 19, 2023
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1 change: 1 addition & 0 deletions common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@

AV_DEFINITION_FILE_PREFIXES = ["main", "daily", "bytecode"]
AV_DEFINITION_FILE_SUFFIXES = ["cld", "cvd"]
AV_SKIP_CLEAN_OBJECTS = int(os.getenv("AV_SKIP_CLEAN_OBJECTS", "0"))
SNS_ENDPOINT = os.getenv("SNS_ENDPOINT", None)
S3_ENDPOINT = os.getenv("S3_ENDPOINT", None)
LAMBDA_ENDPOINT = os.getenv("LAMBDA_ENDPOINT", None)
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8 changes: 8 additions & 0 deletions scan.py
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Expand Up @@ -37,6 +37,7 @@
from common import AV_STATUS_SNS_PUBLISH_CLEAN
from common import AV_STATUS_SNS_PUBLISH_INFECTED
from common import AV_TIMESTAMP_METADATA
from common import AV_SKIP_CLEAN_OBJECTS
from common import SNS_ENDPOINT
from common import S3_ENDPOINT
from common import create_dir
Expand Down Expand Up @@ -211,6 +212,13 @@ def lambda_handler(event, context):
print("Script starting at %s\n" % (start_time))
s3_object = event_object(event, event_source=EVENT_SOURCE)

if (
AV_SKIP_CLEAN_OBJECTS
and s3_object.metadata.get(AV_STATUS_METADATA, None) == AV_STATUS_CLEAN
):
print("Object is clean, skipping...")
return

if str_to_bool(AV_PROCESS_ORIGINAL_VERSION_ONLY):
verify_s3_object_version(s3, s3_object)

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