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Fix AWS service connector resource ID regexp #2611

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merged 1 commit into from
Apr 12, 2024

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stefannica
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@stefannica stefannica commented Apr 12, 2024

Describe changes

The regular expressions used to detect AWS S3 bucket names and AWS EKS cluster names in the AWS Service Connector were inaccurate (some characters were not allowed even though AWS didn't prevent them from being used).

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@github-actions github-actions bot added internal To filter out internal PRs and issues bug Something isn't working labels Apr 12, 2024
@@ -1132,19 +1132,19 @@
# We need to extract the bucket name from the provided resource ID
bucket_name: Optional[str] = None
if re.match(
r"^arn:aws:s3:::[a-z0-9-]+(/.*)*$",
r"^arn:aws:s3:::[a-z0-9-.]+(/.*)*$",

Check failure

Code scanning / CodeQL

Inefficient regular expression

This part of the regular expression may cause exponential backtracking on strings starting with 'arn:aws:s3:::-/' and containing many repetitions of '/'.
resource_id,
):
# The resource ID is an S3 bucket ARN
bucket_name = resource_id.split(":")[-1].split("/")[0]
elif re.match(
r"^s3://[a-z0-9-]+(/.*)*$",
r"^s3://[a-z0-9-.]+(/.*)*$",

Check failure

Code scanning / CodeQL

Inefficient regular expression

This part of the regular expression may cause exponential backtracking on strings starting with 's3://-/' and containing many repetitions of '/'.
@stefannica stefannica force-pushed the bug/fix-aws-service-connector branch from 6ff046f to 2e47b54 Compare April 12, 2024 13:40
@stefannica stefannica merged commit 9720f38 into develop Apr 12, 2024
55 of 56 checks passed
@stefannica stefannica deleted the bug/fix-aws-service-connector branch April 12, 2024 15:06
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