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supabase
storage
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feat(uploader): verify uploaded MIME against magic bytes (closes #639)
- #1499
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feat(uploader): verify uploaded MIME against magic bytes (closes #639)
#1499
61465
wants to merge 15 commits into
supabase:master
supabase/storage:master
from
61465:feat/mime-magic-byte-validation-639
61465/storage:feat/mime-magic-byte-validation-639
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Commits on Oct 31, 2026
feat(uploader): verify uploaded MIME against magic bytes (closes #639)
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fix(file-signature): only accept zip signature for OOXML, not legacy OLE2 MIMEs
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style(file-signature): satisfy biome + prettier lint for the OLE2 fix
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fix(file-signature): tighten OLE2 allowlist for second depthfirst-app catch
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style(uploader): mark detector promise as voided and re-sort imports
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test(file-signature): cover ftyp brand lookup + WAV magic (coveralls patch)
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fix(file-signature): require WebM DocType element, reject bare Matroska (depthfirst-app)
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style(file-signature): collapse webm fixture to single-line per biome
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feat(tus): verify magic bytes against declared contentType on upload finish
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style(file-signature.test): collapse multi-line Buffer.concat per biome
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fix(tus): close two signature-verification gaps on upload finish
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fix(file-signature): widen detectMimeFromStoredObject body type to match ObjectResponse
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fix(tus): scope signature-verify try/catch to policy-enforcing path
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fix(file-signature): close small-file race in wrapWithSignatureDetection
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fix(tus): extract magic-byte verification to method-presence-gated helper
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