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hanzoai/s3 was an AGPL-3.0 MinIO fork whose network-copyleft blocks embedding
and reselling as a managed service. Replace it wholesale with a fork of
SeaweedFS (github.com/seaweedfs/seaweedfs, Apache-2.0, Go) which ships a
built-in S3 gateway + Filer.
- License: AGPL-3.0 -> Apache-2.0 (upstream LICENSE kept verbatim, incl.
"Copyright 2025 Chris Lu"); NOTICE added crediting SeaweedFS. No AGPL/BUSL/
SSPL/GPL or enterprise ("ee") files remain.
- Module: go.mod path set to github.com/hanzoai/s3 with a self-replace
(replace github.com/seaweedfs/seaweedfs => ./) so the ~1800 internal Go files
keep their upstream import paths with zero churn. Internal identifiers and
import paths are intentionally NOT renamed.
- CLI rebrand: the binary is built as `s3` (was `weed`); root usage, per-command
help/usage/flag strings, shell autocomplete program name, and the product name
in CLI output now read "Hanzo S3" / `s3`. Users never see `weed`.
(e.g. `s3 server`, `s3 filer`, `s3 master`, `s3 volume`, `s3 s3`, `s3 mount`.)
- Build: `make` (or `go build -o s3 ./weed`) builds the `s3` binary green;
`cmd/weed-db` and `cmd/weed-sql` also build; `go vet ./weed/command/` clean.
- README/LLM.md rewritten for Hanzo S3; AGENTS.md/CLAUDE.md symlinks preserved.
- Dropped a 33MB prebuilt Mach-O `stress` binary upstream had committed; `.gitignore`
updated to ignore the `s3` build output.
33 lines
1.2 KiB
Go
33 lines
1.2 KiB
Go
package s3_constants
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// Cryptographic constants
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const (
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// AES block and key sizes
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AESBlockSize = 16 // 128 bits for AES block size (IV length)
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AESKeySize = 32 // 256 bits for AES-256 keys
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// SSE algorithm identifiers
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SSEAlgorithmAES256 = "AES256"
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SSEAlgorithmKMS = "aws:kms"
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// SSE type identifiers for response headers and internal processing
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SSETypeC = "SSE-C"
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SSETypeKMS = "SSE-KMS"
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SSETypeS3 = "SSE-S3"
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// S3 multipart upload limits and offsets
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S3MaxPartSize = 5 * 1024 * 1024 * 1024 // 5GB - AWS S3 maximum part size limit
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// Multipart offset calculation for unique IV generation
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// Using 8GB offset between parts (larger than max part size) to prevent IV collisions
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// Critical for CTR mode encryption security in multipart uploads
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PartOffsetMultiplier = int64(1) << 33 // 8GB per part offset
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// KMS validation limits based on AWS KMS service constraints
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MaxKMSEncryptionContextPairs = 10 // Maximum number of encryption context key-value pairs
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MaxKMSKeyIDLength = 500 // Maximum length for KMS key identifiers
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// S3 multipart upload limits based on AWS S3 service constraints
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MaxS3MultipartParts = 10000 // Maximum number of parts in a multipart upload (1-10,000)
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)
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