Enforce GCS Public Access Prevention#3133
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Implement programmatic verification of Public Access Prevention (PAP) on all GCS buckets before performing write operations via GcsUtils. - Add verifyPublicAccessPrevention(String bucketName) to GcsUtils.java, querying the bucket's IAM configuration and asserting that PAP is ENFORCED. - Call verifyPublicAccessPrevention in all output stream and byte creation write paths in GcsUtils.
weiminyu
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@weiminyu reviewed 2 files and all commit messages.
Reviewable status:complete! all files reviewed, all discussions resolved (waiting on gbrodman).
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Implement programmatic verification of Public Access Prevention (PAP) on all GCS buckets before performing write operations via GcsUtils.
Add verifyPublicAccessPrevention(String bucketName) to GcsUtils.java, querying the bucket's IAM configuration and asserting that PAP is ENFORCED.
Call verifyPublicAccessPrevention in all output stream and byte creation write paths in GcsUtils.
note: verified that we have no publicly-accessible files in our prod buckets in GCS, and set all of them to have PAP enforced
This change is