fs: some fixes and profile pictures.

go.mod

@@ -7,6 +7,7 @@ toolchain go1.23.4
 require (
 	github.com/bep/debounce v1.2.1
 	github.com/btcsuite/btcd/btcec/v2 v2.3.4
+	github.com/bytedance/sonic v1.13.1
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0
 	github.com/fatih/color v1.16.0
@@ -14,10 +15,11 @@ require (
 	github.com/fiatjaf/khatru v0.16.0
 	github.com/hanwen/go-fuse/v2 v2.7.2
 	github.com/json-iterator/go v1.1.12
+	github.com/liamg/magic v0.0.1
 	github.com/mailru/easyjson v0.9.0
 	github.com/mark3labs/mcp-go v0.8.3
 	github.com/markusmobius/go-dateparser v1.2.3
-	github.com/nbd-wtf/go-nostr v0.51.0
+	github.com/nbd-wtf/go-nostr v0.51.1
 	github.com/urfave/cli/v3 v3.0.0-beta1
 	golang.org/x/exp v0.0.0-20250210185358-939b2ce775ac
 )
@@ -29,7 +31,6 @@ require (
 	github.com/btcsuite/btcd v0.24.2 // indirect
 	github.com/btcsuite/btcd/btcutil v1.1.5 // indirect
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 // indirect
-	github.com/bytedance/sonic v1.13.1 // indirect
 	github.com/bytedance/sonic/loader v0.2.4 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chzyer/logex v1.1.10 // indirect

go.sum

@@ -96,6 +96,8 @@ github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -127,6 +129,8 @@ github.com/klauspost/cpuid/v2 v2.2.10/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQe
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/liamg/magic v0.0.1 h1:Ru22ElY+sCh6RvRTWjQzKKCxsEco8hE0co8n1qe7TBM=
+github.com/liamg/magic v0.0.1/go.mod h1:yQkOmZZI52EA+SQ2xyHpVw8fNvTBruF873Y+Vt6S+fk=
 github.com/magefile/mage v1.14.0 h1:6QDX3g6z1YvJ4olPhT1wksUcSa/V0a1B+pJb73fBjyo=
 github.com/magefile/mage v1.14.0/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXqQg881A=
 github.com/mailru/easyjson v0.9.0 h1:PrnmzHw7262yW8sTBwxi1PdJA3Iw/EKBa8psRf7d9a4=
@@ -147,8 +151,8 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
-github.com/nbd-wtf/go-nostr v0.51.0 h1:Z6gir3lQmlbQGYkccEPbvHlfCydMWXD6bIqukR4DZqU=
+github.com/nbd-wtf/go-nostr v0.51.1 h1:SKnvWRbcDAoNibMYWrNbG4V1VQzQUc9YWltUJsrSDbw=
-github.com/nbd-wtf/go-nostr v0.51.0/go.mod h1:9PcGOZ+e1VOaLvcK0peT4dbip+/eS+eTWXR3HuexQrA=
+github.com/nbd-wtf/go-nostr v0.51.1/go.mod h1:9PcGOZ+e1VOaLvcK0peT4dbip+/eS+eTWXR3HuexQrA=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
@@ -258,4 +262,6 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
+gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=

nostrfs/npubdir.go

@@ -1,13 +1,18 @@
 package nostrfs
 
 import (
+	"bytes"
 	"context"
+	"io"
+	"net/http"
 	"sync/atomic"
 	"syscall"
+	"time"
 
 	"github.com/bytedance/sonic"
 	"github.com/hanwen/go-fuse/v2/fs"
 	"github.com/hanwen/go-fuse/v2/fuse"
+	"github.com/liamg/magic"
 	"github.com/nbd-wtf/go-nostr"
 	sdk "github.com/nbd-wtf/go-nostr/sdk"
 )
@@ -42,26 +47,60 @@ func CreateNpubDir(
 		fs.StableAttr{},
 	), true)
 
-	h.AddChild(
+	go func() {
-		"metadata.json",
+		pm := sys.FetchProfileMetadata(ctx, pointer.PublicKey)
-		h.NewPersistentInode(
+		if pm.Event == nil {
-			ctx,
+			return
-			&AsyncFile{
+		}
-				ctx: ctx,
+
-				load: func() ([]byte, nostr.Timestamp) {
+		metadataj, _ := sonic.ConfigFastest.MarshalIndent(pm, "", "  ")
-					pm := sys.FetchProfileMetadata(ctx, pointer.PublicKey)
+		h.AddChild(
-					jsonb, _ := sonic.ConfigFastest.MarshalIndent(pm, "", "  ")
+			"metadata.json",
-					var ts nostr.Timestamp
+			h.NewPersistentInode(
-					if pm.Event != nil {
+				ctx,
-						ts = pm.Event.CreatedAt
+				&fs.MemRegularFile{
-					}
+					Data: metadataj,
-					return jsonb, ts
+					Attr: fuse.Attr{
+						Mtime: uint64(pm.Event.CreatedAt),
+						Mode:  0444,
+					},
 				},
-			},
+				fs.StableAttr{},
-			fs.StableAttr{},
+			),
-		),
+			true,
-		true,
+		)
-	)
+
+		ctx, cancel := context.WithTimeout(ctx, time.Second*20)
+		defer cancel()
+		r, err := http.NewRequestWithContext(ctx, "GET", pm.Picture, nil)
+		if err == nil {
+			resp, err := http.DefaultClient.Do(r)
+			if err == nil {
+				defer resp.Body.Close()
+				if resp.StatusCode < 300 {
+					b := &bytes.Buffer{}
+					io.Copy(b, resp.Body)
+
+					ext := "png"
+					if ft, err := magic.Lookup(b.Bytes()); err == nil {
+						ext = ft.Extension
+					}
+
+					h.AddChild("picture."+ext, h.NewPersistentInode(
+						ctx,
+						&fs.MemRegularFile{
+							Data: b.Bytes(),
+							Attr: fuse.Attr{
+								Mtime: uint64(pm.Event.CreatedAt),
+								Mode:  0444,
+							},
+						},
+						fs.StableAttr{},
+					), true)
+				}
+			}
+		}
+	}()
 
 	h.AddChild(
 		"notes",
@@ -193,7 +232,11 @@ func CreateNpubDir(
 				paginate: false,
 				relays:   relays,
 				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
-					return event.Tags.GetD(), CreateEntityDir(ctx, n, n.wd, ".md", event)
+					d := event.Tags.GetD()
+					if d == "" {
+						d = "_"
+					}
+					return d, CreateEntityDir(ctx, n, n.wd, ".md", event)
 				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
@@ -216,7 +259,11 @@ func CreateNpubDir(
 				paginate: false,
 				relays:   relays,
 				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
-					return event.Tags.GetD(), CreateEntityDir(ctx, n, n.wd, ".adoc", event)
+					d := event.Tags.GetD()
+					if d == "" {
+						d = "_"
+					}
+					return d, CreateEntityDir(ctx, n, n.wd, ".adoc", event)
 				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},