feat(gateway): implement IPIP-402 extensions for gateway CAR requests #303

aschmahmann · 2023-05-16T13:33:05Z

Fixes #283.

Requires fix: do not read extra block if offset = at+childSize go-unixfsnode#50
IPIP: IPIP-402: Partial CAR Support on Trustless Gateways specs#402
Kubo PR: feat(gateway): support for IPIP-402 CAR params kubo#9914
Conformance Tests: feat: tests for IPIP-402 CAR parameters gateway-conformance#56

gateway/gateway.go

gateway/blocks_gateway.go

codecov · 2023-05-16T13:44:20Z

Codecov Report

Merging #303 (7be4474) into main (a85e005) will decrease coverage by 0.08%.
The diff coverage is 56.82%.

@@            Coverage Diff             @@
##             main     #303      +/-   ##
==========================================
- Coverage   50.15%   50.08%   -0.08%     
==========================================
  Files         281      278       -3     
  Lines       33763    33983     +220     
==========================================
+ Hits        16935    17019      +84     
- Misses      15046    15173     +127     
- Partials     1782     1791       +9

Impacted Files	Coverage Δ
examples/gateway/car/main.go	`11.53% <0.00%> (ø)`
examples/gateway/proxy/main.go	`0.00% <0.00%> (ø)`
gateway/dns.go	`0.00% <ø> (ø)`
gateway/handler_ipns_record.go	`18.46% <0.00%> (-2.23%)`	⬇️
gateway/handler_unixfs__redirects.go	`37.63% <36.36%> (ø)`
gateway/blocks_backend.go	`44.38% <44.38%> (ø)`
gateway/handler_defaults.go	`40.26% <50.00%> (+1.85%)`	⬆️
gateway/handler_unixfs_dir.go	`64.28% <50.00%> (ø)`
gateway/metrics.go	`75.00% <69.69%> (-0.22%)`	⬇️
gateway/handler_car.go	`64.88% <74.68%> (+6.55%)`	⬆️
... and 9 more

... and 12 files with indirect coverage changes

gateway/blocks_gateway.go

gateway/handler_car.go

gateway/handler.go

gateway/handler_car.go

gateway/handler.go

gateway/handler_car.go

gateway/handler_car_test.go

gateway/blocks_backend.go

addressed

Co-authored-by: Henrique Dias <hacdias@gmail.com>

- Improve documentation of public API that to conform with pkg.go.dev stylings. Can be previewed with: `go install golang.org/x/pkgsite/cmd/pkgsite@latest && pkgsite` Note that there's a bug that makes the comments in struct fields not formatted: golang/go#56004 - Renamed a few things for consistency and clarity: - `BlocksGateway` to `BlocksBackend` (it is an `IPFSBackend`) - `api` to `backend` (it is an `IPFSBackend`) - `WithHostname` to `NewHostnameHandler` - `Specification` to `PublicGateway` - `ErrorResponse` to `ErrorStatusCode` - `DagEntityByteRange` to `DagByteRange` (there isn't other) - Unexported `ServeContent`, which was never meant to be public - Removed `webRequestError`, which is already handled by `webError`. Added a test to ensure that is the case. - Removed return types from functions that always returned nil. - Exported `DagScopeEntity`, `DagScopeAll`, `DagScopeBlock` as they are `DagScope` - Change some usages of global `log` variable to request-scoped `logger` for more context - Handle CAR before maybe resolving path (CAR handles it differently) - Response formats as constants (avoids typos, etc)

- this also allows to return the PathMetadata, which also allows to set the correct X-Ipfs-Root header.

hacdias · 2023-06-08T15:15:35Z

Plan is:

@hacdias Merge this, update in Kubo.
@laurentsenta merge conformance, release conformance.
@hacdias release Boxo update.

BigLep · 2023-06-08T22:39:05Z

2023-06-08 maintainer conversation:
Expanding #303 (comment)
Adin will handle the proactive communication to bedrock about what is happening.
@hacdias intends to do a 0.9.1 Boxo release on 2023-06-09 with this work included.

We'll let the spec conversation around CAR roots drive if there are any CAR spec changes and ipld/go-car updates required.

aschmahmann requested review from hacdias and lidel as code owners May 16, 2023 13:33

aschmahmann force-pushed the feat/gateway-ipip-402 branch 2 times, most recently from 0b2dac0 to 8f39b1a Compare May 16, 2023 13:34

aschmahmann commented May 16, 2023

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lidel mentioned this pull request May 16, 2023

IPIP-402: Partial CAR Support on Trustless Gateways ipfs/specs#402

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refactor: use IPIP-402 param names when GRAPH_BACKEND=true ipfs-inactive/bifrost-gateway#108

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hacdias mentioned this pull request May 17, 2023

feat(gateway): support for IPIP-402 CAR params ipfs/kubo#9881

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aschmahmann mentioned this pull request May 19, 2023

feat: tests for IPIP-402 CAR parameters ipfs/gateway-conformance#56

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rvagg mentioned this pull request Jun 2, 2023

feat: add stable etag filecoin-project/lassie#285

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fix: do not read extra block if offset = at+childSize ipfs/go-unixfsnode#50

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hacdias mentioned this pull request Jun 7, 2023

fix(gateway): ensure 'X-Ipfs-Root' header is valid #337

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aschmahmann and others added 3 commits June 8, 2023 16:48

feat(gateway): implement IPIP-402 extensions for gateway CAR requests

ac5c706

Co-authored-by: Henrique Dias <hacdias@gmail.com>

feat: use last segment cid as root

7be4474

- this also allows to return the PathMetadata, which also allows to set the correct X-Ipfs-Root header.

hacdias force-pushed the feat/gateway-ipip-402 branch from c5f0cad to 7be4474 Compare June 8, 2023 14:48

hacdias approved these changes Jun 8, 2023

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hacdias merged commit 475d576 into main Jun 8, 2023

hacdias deleted the feat/gateway-ipip-402 branch June 8, 2023 15:18

aschmahmann mentioned this pull request Aug 14, 2023

feat: IPIP-402 based backpressure ipfs-inactive/bifrost-gateway#160

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feat(gateway): implement IPIP-402 extensions for gateway CAR requests #303

feat(gateway): implement IPIP-402 extensions for gateway CAR requests #303

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