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Bound compressed artifact temp writes #8

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stephen merged 1 commit from harden-bounded-decompression into main 2026-06-20 19:55:08 +00:00
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stephen commented 2026-06-20 19:50:53 +00:00
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Compressed artifacts now stop materializing the verification tar as soon as the configured size cap is crossed, so high ratio payloads cannot fill runner temp before validation runs.

What changed

  • Route gzip and zstd decompression through a bounded temp write when RASTER_ARTIFACTS_MAX_TOTAL_BYTES is enabled.
  • Keep disabled cap behavior unchanged and clean the temp tar after refusal.
  • Add a gzip regression that proves the temp tar stops at cap plus one byte.

Testing

  • npm run check
  • npm test

Fixes rasterstate/download-artifact-action#6

Compressed artifacts now stop materializing the verification tar as soon as the configured size cap is crossed, so high ratio payloads cannot fill runner temp before validation runs. **What changed** - Route gzip and zstd decompression through a bounded temp write when RASTER_ARTIFACTS_MAX_TOTAL_BYTES is enabled. - Keep disabled cap behavior unchanged and clean the temp tar after refusal. - Add a gzip regression that proves the temp tar stops at cap plus one byte. **Testing** - npm run check - npm test Fixes rasterstate/download-artifact-action#6
Bound compressed artifact temp writes
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