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Benoit Tigeot 11e2010aeb refactor: remove per-file decompression size limit (#31748) ... * refactor: remove per-file decompression size limit Remove MaxDecompressedFileSize as it's no longer necessary after migrating to a maintained JSON schema library (santhosh-tekuri/jsonschema/v6). The original limit was added to protect against vulnerabilities in an unmaintained library. The total decompressed chart size limit (MaxDecompressedChartSize) remains to protect against other attack vectors. Partially resolves #30738 Related: - https://github.com/helm/helm/pull/30743 Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * fix: deprecate MaxDecompressedFileSize instead of removing As Matt suggested we should keep the variable until v5 as it can be used because it is public. Related: - https://github.com/helm/helm/pull/31748#discussion_r2738518696 Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * fix: enforce aggregate size budget on directory loading Directory-based chart loading (`LoadDir`) used unbounded `os.ReadFile` calls with no total size check. Archive loading already enforces `MaxDecompressedChartSize` via a remaining-byte budget but directory loading did not, leaving local charts and `file://` dependencies as an unbounded memory path. Add `ReadFileWithBudget` in the archive package and use it in both v2 and v3 directory loaders so they track the same aggregate budget. Ref: https://github.com/helm/helm/pull/31748#issuecomment-4138927643 Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * fix: cap directory budget reads with LimitReader Use `os.Open` + `io.LimitReader` instead of `os.ReadFile` in `ReadFileWithBudget` so a file that grows between stat and read cannot allocate unbounded memory. Also fix `MaxDecompressedFileSize` doc comment to reflect it is unused/deprecated, add nil guard on remaining, and check `os.Stat` errors in tests. Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * test: add v3 directory loader budget test Mirror the v2 `TestLoadDirExceedsBudget` test for the v3 loader to prevent budget enforcement regressions in either path. Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * refactor(loader): make read budget configurable Follow recommendations from https://github.com/helm/helm/pull/31748#discussion_r3058581419 Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * fix(loader): export BudgetedReader for cross-package use Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> * fix(loader): rename max param to avoid shadowing built-in Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr> --------- Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr>		2 weeks ago
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testdata	Move pkg/chart to pkg/chart/v2 to prepare for v3 charts	2 years ago
archive.go	Use errors.Is to check for io.EOF and gzip.ErrHeader	9 months ago
directory.go	refactor: remove per-file decompression size limit (#31748)	2 weeks ago
load.go	Updating the Go version	2 weeks ago
load_test.go	refactor: remove per-file decompression size limit (#31748)	2 weeks ago