bump go-unixfsnode and enable returning the sizes of items in HAMT di…

…rectories for dir_index.html rendering

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/ipfs/go-cid v0.4.1
 	github.com/ipfs/go-ipld-format v0.5.0
 	github.com/ipfs/go-log/v2 v2.5.1
-	github.com/ipfs/go-unixfsnode v1.7.3-0.20230718163022-62f4a1c8d46e
+	github.com/ipfs/go-unixfsnode v1.7.4
 	github.com/ipld/go-car v0.6.2
 	github.com/ipld/go-car/v2 v2.10.2-0.20230622090957-499d0c909d33
 	github.com/ipld/go-codec-dagpb v1.6.0

go.sum

@@ -258,8 +258,8 @@ github.com/ipfs/go-metrics-interface v0.0.1 h1:j+cpbjYvu4R8zbleSs36gvB7jR+wsL2fG
 github.com/ipfs/go-metrics-interface v0.0.1/go.mod h1:6s6euYU4zowdslK0GKHmqaIZ3j/b/tL7HTWtJ4VPgWY=
 github.com/ipfs/go-peertaskqueue v0.8.1 h1:YhxAs1+wxb5jk7RvS0LHdyiILpNmRIRnZVztekOF0pg=
 github.com/ipfs/go-unixfs v0.4.5 h1:wj8JhxvV1G6CD7swACwSKYa+NgtdWC1RUit+gFnymDU=
-github.com/ipfs/go-unixfsnode v1.7.3-0.20230718163022-62f4a1c8d46e h1:LZkN2wQ49qj4g47ET4OgsI7gZ/8mFMbdXNvAoESC54U=
-github.com/ipfs/go-unixfsnode v1.7.3-0.20230718163022-62f4a1c8d46e/go.mod h1:PVfoyZkX1B34qzT3vJO4nsLUpRCyhnMuHBznRcXirlk=
+github.com/ipfs/go-unixfsnode v1.7.4 h1:iLvKyAVKUYOIAW2t4kDYqsT7VLGj31eXJE2aeqGfbwA=
+github.com/ipfs/go-unixfsnode v1.7.4/go.mod h1:PVfoyZkX1B34qzT3vJO4nsLUpRCyhnMuHBznRcXirlk=
 github.com/ipfs/go-verifcid v0.0.2 h1:XPnUv0XmdH+ZIhLGKg6U2vaPaRDXb9urMyNVCE7uvTs=
 github.com/ipfs/go-verifcid v0.0.2/go.mod h1:40cD9x1y4OWnFXbLNJYRe7MpNvWlMn3LZAG5Wb4xnPU=
 github.com/ipld/go-car v0.6.2 h1:Hlnl3Awgnq8icK+ze3iRghk805lu8YNq3wlREDTF2qc=

lib/graph_gateway.go

@@ -5,6 +5,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/ipfs/go-unixfsnode"
+	ufsiter "github.com/ipfs/go-unixfsnode/iter"
 	"io"
 	"net/http"
 	gopath "path"
@@ -27,7 +29,6 @@ import (
 	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-cid"
 	format "github.com/ipfs/go-ipld-format"
-	"github.com/ipfs/go-unixfsnode"
 	ufsData "github.com/ipfs/go-unixfsnode/data"
 	"github.com/ipfs/go-unixfsnode/hamt"
 	carv2 "github.com/ipld/go-car/v2"
@@ -694,6 +695,7 @@ func (it *backpressuredHAMTDirIterNoRecursion) Next() bool {
 			it.err = err
 			return false
 		}
+
 		var lnk ipld.Link
 		lnk, err = v.AsLink()
 		if err != nil {
@@ -709,10 +711,21 @@ func (it *backpressuredHAMTDirIterNoRecursion) Next() bool {
 
 		c := cl.Cid
 
+		pbLnk, ok := v.(*ufsiter.IterLink)
+		if !ok {
+			it.err = fmt.Errorf("HAMT value is not a dag-pb link")
+			return false
+		}
+
+		cumulativeDagSize := uint64(0)
+		if pbLnk.Substrate.Tsize.Exists() {
+			cumulativeDagSize = uint64(pbLnk.Substrate.Tsize.Must().Int())
+		}
+
 		it.curLnk = unixfs.LinkResult{
 			Link: &format.Link{
 				Name: name,
-				Size: 0,
+				Size: cumulativeDagSize,
 				Cid:  c,
 			},
 		}