fs: articles and wikis.

nostrfs/entitydir.go

@@ -0,0 +1,214 @@
+package nostrfs
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"path/filepath"
+	"strconv"
+	"syscall"
+	"time"
+
+	"github.com/hanwen/go-fuse/v2/fs"
+	"github.com/hanwen/go-fuse/v2/fuse"
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/nbd-wtf/go-nostr/nip19"
+	"github.com/nbd-wtf/go-nostr/nip27"
+	"github.com/nbd-wtf/go-nostr/nip92"
+	sdk "github.com/nbd-wtf/go-nostr/sdk"
+)
+
+type EntityDir struct {
+	fs.Inode
+	ctx context.Context
+	wd  string
+	evt *nostr.Event
+}
+
+var _ = (fs.NodeGetattrer)((*EntityDir)(nil))
+
+func (e *EntityDir) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
+	publishedAt := uint64(e.evt.CreatedAt)
+	out.Ctime = publishedAt
+
+	if tag := e.evt.Tags.Find("published_at"); tag != nil {
+		publishedAt, _ = strconv.ParseUint(tag[1], 10, 64)
+	}
+	out.Mtime = publishedAt
+
+	return fs.OK
+}
+
+func FetchAndCreateEntityDir(
+	ctx context.Context,
+	parent fs.InodeEmbedder,
+	wd string,
+	extension string,
+	sys *sdk.System,
+	pointer nostr.EntityPointer,
+) (*fs.Inode, error) {
+	event, _, err := sys.FetchSpecificEvent(ctx, pointer, sdk.FetchSpecificEventParameters{
+		WithRelays: false,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch: %w", err)
+	}
+
+	return CreateEntityDir(ctx, parent, wd, extension, event), nil
+}
+
+func CreateEntityDir(
+	ctx context.Context,
+	parent fs.InodeEmbedder,
+	wd string,
+	extension string,
+	event *nostr.Event,
+) *fs.Inode {
+	h := parent.EmbeddedInode().NewPersistentInode(
+		ctx,
+		&EntityDir{ctx: ctx, wd: wd, evt: event},
+		fs.StableAttr{Mode: syscall.S_IFDIR, Ino: hexToUint64(event.ID)},
+	)
+
+	var publishedAt uint64
+	if tag := event.Tags.Find("published_at"); tag != nil {
+		publishedAt, _ = strconv.ParseUint(tag[1], 10, 64)
+	}
+
+	npub, _ := nip19.EncodePublicKey(event.PubKey)
+	h.AddChild("@author", h.NewPersistentInode(
+		ctx,
+		&fs.MemSymlink{
+			Data: []byte(wd + "/" + npub),
+		},
+		fs.StableAttr{Mode: syscall.S_IFLNK},
+	), true)
+
+	eventj, _ := json.MarshalIndent(event, "", "  ")
+	h.AddChild("event.json", h.NewPersistentInode(
+		ctx,
+		&fs.MemRegularFile{
+			Data: eventj,
+			Attr: fuse.Attr{
+				Mode:  0444,
+				Ctime: uint64(event.CreatedAt),
+				Mtime: uint64(publishedAt),
+				Size:  uint64(len(event.Content)),
+			},
+		},
+		fs.StableAttr{},
+	), true)
+
+	h.AddChild("identifier", h.NewPersistentInode(
+		ctx,
+		&fs.MemRegularFile{
+			Data: []byte(event.Tags.GetD()),
+			Attr: fuse.Attr{
+				Mode:  0444,
+				Ctime: uint64(event.CreatedAt),
+				Mtime: uint64(publishedAt),
+				Size:  uint64(len(event.Tags.GetD())),
+			},
+		},
+		fs.StableAttr{},
+	), true)
+
+	if tag := event.Tags.Find("title"); tag != nil {
+		h.AddChild("title", h.NewPersistentInode(
+			ctx,
+			&fs.MemRegularFile{
+				Data: []byte(tag[1]),
+				Attr: fuse.Attr{
+					Mode:  0444,
+					Ctime: uint64(event.CreatedAt),
+					Mtime: uint64(publishedAt),
+					Size:  uint64(len(tag[1])),
+				},
+			},
+			fs.StableAttr{},
+		), true)
+	}
+
+	h.AddChild("content"+extension, h.NewPersistentInode(
+		ctx,
+		&fs.MemRegularFile{
+			Data: []byte(event.Content),
+			Attr: fuse.Attr{
+				Mode:  0444,
+				Ctime: uint64(event.CreatedAt),
+				Mtime: uint64(publishedAt),
+				Size:  uint64(len(event.Content)),
+			},
+		},
+		fs.StableAttr{},
+	), true)
+
+	var refsdir *fs.Inode
+	i := 0
+	for ref := range nip27.ParseReferences(*event) {
+		i++
+		if refsdir == nil {
+			refsdir = h.NewPersistentInode(ctx, &fs.Inode{}, fs.StableAttr{Mode: syscall.S_IFDIR})
+			h.AddChild("references", refsdir, true)
+		}
+		refsdir.AddChild(fmt.Sprintf("ref_%02d", i), refsdir.NewPersistentInode(
+			ctx,
+			&fs.MemSymlink{
+				Data: []byte(wd + "/" + nip19.EncodePointer(ref.Pointer)),
+			},
+			fs.StableAttr{Mode: syscall.S_IFLNK},
+		), true)
+	}
+
+	var imagesdir *fs.Inode
+	addImage := func(url string) {
+		if imagesdir == nil {
+			in := &fs.Inode{}
+			imagesdir = h.NewPersistentInode(ctx, in, fs.StableAttr{Mode: syscall.S_IFDIR})
+			h.AddChild("images", imagesdir, true)
+		}
+		imagesdir.AddChild(filepath.Base(url), imagesdir.NewPersistentInode(
+			ctx,
+			&AsyncFile{
+				ctx: ctx,
+				load: func() ([]byte, nostr.Timestamp) {
+					ctx, cancel := context.WithTimeout(ctx, time.Second*20)
+					defer cancel()
+					r, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+					if err != nil {
+						return nil, 0
+					}
+					resp, err := http.DefaultClient.Do(r)
+					if err != nil {
+						return nil, 0
+					}
+					defer resp.Body.Close()
+					if resp.StatusCode >= 300 {
+						return nil, 0
+					}
+					w := &bytes.Buffer{}
+					io.Copy(w, resp.Body)
+					return w.Bytes(), 0
+				},
+			},
+			fs.StableAttr{},
+		), true)
+	}
+
+	images := nip92.ParseTags(event.Tags)
+	for _, imeta := range images {
+		if imeta.URL == "" {
+			continue
+		}
+		addImage(imeta.URL)
+	}
+
+	if tag := event.Tags.Find("image"); tag != nil {
+		addImage(tag[1])
+	}
+
+	return h
+}

nostrfs/eventdir.go

@@ -3,6 +3,7 @@ package nostrfs
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -12,7 +13,6 @@ import (
 
 	"github.com/hanwen/go-fuse/v2/fs"
 	"github.com/hanwen/go-fuse/v2/fuse"
-	"github.com/mailru/easyjson"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip10"
 	"github.com/nbd-wtf/go-nostr/nip19"
@@ -74,7 +74,7 @@ func CreateEventDir(
 		fs.StableAttr{Mode: syscall.S_IFLNK},
 	), true)
 
-	eventj, _ := easyjson.Marshal(event)
+	eventj, _ := json.MarshalIndent(event, "", "  ")
 	h.AddChild("event.json", h.NewPersistentInode(
 		ctx,
 		&fs.MemRegularFile{
@@ -97,7 +97,7 @@ func CreateEventDir(
 				Mode:  0444,
 				Ctime: uint64(event.CreatedAt),
 				Mtime: uint64(event.CreatedAt),
-				Size:  uint64(len(event.Content)),
+				Size:  uint64(64),
 			},
 		},
 		fs.StableAttr{},

nostrfs/npubdir.go

@@ -2,10 +2,10 @@ package nostrfs
 
 import (
 	"context"
-	"encoding/json"
 	"sync/atomic"
 	"syscall"
 
+	"github.com/bytedance/sonic"
 	"github.com/hanwen/go-fuse/v2/fs"
 	"github.com/hanwen/go-fuse/v2/fuse"
 	"github.com/nbd-wtf/go-nostr"
@@ -42,6 +42,27 @@ func CreateNpubDir(
 		fs.StableAttr{},
 	), true)
 
+	h.AddChild(
+		"metadata.json",
+		h.NewPersistentInode(
+			ctx,
+			&AsyncFile{
+				ctx: ctx,
+				load: func() ([]byte, nostr.Timestamp) {
+					pm := sys.FetchProfileMetadata(ctx, pointer.PublicKey)
+					jsonb, _ := sonic.ConfigFastest.MarshalIndent(pm, "", "  ")
+					var ts nostr.Timestamp
+					if pm.Event != nil {
+						ts = pm.Event.CreatedAt
+					}
+					return jsonb, ts
+				},
+			},
+			fs.StableAttr{},
+		),
+		true,
+	)
+
 	h.AddChild(
 		"notes",
 		h.NewPersistentInode(
@@ -54,7 +75,11 @@ func CreateNpubDir(
 					Kinds:   []int{1},
 					Authors: []string{pointer.PublicKey},
 				},
-				relays: relays,
+				paginate: true,
+				relays:   relays,
+				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
+					return event.ID, CreateEventDir(ctx, n, n.wd, event)
+				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
@@ -73,7 +98,11 @@ func CreateNpubDir(
 					Kinds:   []int{1111},
 					Authors: []string{pointer.PublicKey},
 				},
-				relays: relays,
+				paginate: true,
+				relays:   relays,
+				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
+					return event.ID, CreateEventDir(ctx, n, n.wd, event)
+				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
@@ -92,7 +121,11 @@ func CreateNpubDir(
 					Kinds:   []int{20},
 					Authors: []string{pointer.PublicKey},
 				},
-				relays: relays,
+				paginate: true,
+				relays:   relays,
+				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
+					return event.ID, CreateEventDir(ctx, n, n.wd, event)
+				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
@@ -111,7 +144,11 @@ func CreateNpubDir(
 					Kinds:   []int{21, 22},
 					Authors: []string{pointer.PublicKey},
 				},
-				relays: relays,
+				paginate: true,
+				relays:   relays,
+				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
+					return event.ID, CreateEventDir(ctx, n, n.wd, event)
+				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
@@ -130,7 +167,11 @@ func CreateNpubDir(
 					Kinds:   []int{9802},
 					Authors: []string{pointer.PublicKey},
 				},
-				relays: relays,
+				paginate: true,
+				relays:   relays,
+				create: func(ctx context.Context, n *ViewDir, event *nostr.Event) (string, *fs.Inode) {
+					return event.ID, CreateEventDir(ctx, n, n.wd, event)
+				},
 			},
 			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
@@ -138,22 +179,47 @@ func CreateNpubDir(
 	)
 
 	h.AddChild(
-		"metadata.json",
+		"articles",
 		h.NewPersistentInode(
 			ctx,
-			&AsyncFile{
+			&ViewDir{
 				ctx: ctx,
-				load: func() ([]byte, nostr.Timestamp) {
-					pm := sys.FetchProfileMetadata(ctx, pointer.PublicKey)
-					jsonb, _ := json.MarshalIndent(pm.Event, "", "  ")
-					var ts nostr.Timestamp
-					if pm.Event != nil {
-						ts = pm.Event.CreatedAt
-					}
-					return jsonb, ts
+				sys: sys,
+				wd:  wd,
+				filter: nostr.Filter{
+					Kinds:   []int{30023},
+					Authors: []string{pointer.PublicKey},
+				},
+				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)
 				},
 			},
-			fs.StableAttr{},
+			fs.StableAttr{Mode: syscall.S_IFDIR},
+		),
+		true,
+	)
+
+	h.AddChild(
+		"wiki",
+		h.NewPersistentInode(
+			ctx,
+			&ViewDir{
+				ctx: ctx,
+				sys: sys,
+				wd:  wd,
+				filter: nostr.Filter{
+					Kinds:   []int{30818},
+					Authors: []string{pointer.PublicKey},
+				},
+				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)
+				},
+			},
+			fs.StableAttr{Mode: syscall.S_IFDIR},
 		),
 		true,
 	)

nostrfs/viewdir.go

@@ -13,12 +13,14 @@ import (
 
 type ViewDir struct {
 	fs.Inode
-	ctx     context.Context
-	sys     *sdk.System
-	wd      string
-	fetched atomic.Bool
-	filter  nostr.Filter
-	relays  []string
+	ctx      context.Context
+	sys      *sdk.System
+	wd       string
+	fetched  atomic.Bool
+	filter   nostr.Filter
+	paginate bool
+	relays   []string
+	create   func(context.Context, *ViewDir, *nostr.Event) (string, *fs.Inode)
 }
 
 var (
@@ -33,6 +35,7 @@ func (n *ViewDir) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOu
 	}
 	aMonthAgo := now - 30*24*60*60
 	out.Mtime = uint64(aMonthAgo)
+
 	return fs.OK
 }
 
@@ -41,32 +44,39 @@ func (n *ViewDir) Opendir(ctx context.Context) syscall.Errno {
 		return fs.OK
 	}
 
-	now := nostr.Now()
-	if n.filter.Until != nil {
-		now = *n.filter.Until
+	if n.paginate {
+		now := nostr.Now()
+		if n.filter.Until != nil {
+			now = *n.filter.Until
+		}
+		aMonthAgo := now - 30*24*60*60
+		n.filter.Since = &aMonthAgo
+
+		for ie := range n.sys.Pool.FetchMany(ctx, n.relays, n.filter, nostr.WithLabel("nakfs")) {
+			basename, inode := n.create(ctx, n, ie.Event)
+			n.AddChild(basename, inode, true)
+		}
+
+		filter := n.filter
+		filter.Until = &aMonthAgo
+
+		n.AddChild("@previous", n.NewPersistentInode(
+			ctx,
+			&ViewDir{
+				ctx:    n.ctx,
+				sys:    n.sys,
+				filter: filter,
+				wd:     n.wd,
+				relays: n.relays,
+			},
+			fs.StableAttr{Mode: syscall.S_IFDIR},
+		), true)
+	} else {
+		for ie := range n.sys.Pool.FetchMany(ctx, n.relays, n.filter, nostr.WithLabel("nakfs")) {
+			basename, inode := n.create(ctx, n, ie.Event)
+			n.AddChild(basename, inode, true)
+		}
 	}
-	aMonthAgo := now - 30*24*60*60
-	n.filter.Since = &aMonthAgo
-
-	for ie := range n.sys.Pool.FetchMany(ctx, n.relays, n.filter, nostr.WithLabel("nakfs")) {
-		e := CreateEventDir(ctx, n, n.wd, ie.Event)
-		n.AddChild(ie.Event.ID, e, true)
-	}
-
-	filter := n.filter
-	filter.Until = &aMonthAgo
-
-	n.AddChild("@previous", n.NewPersistentInode(
-		ctx,
-		&ViewDir{
-			ctx:    n.ctx,
-			sys:    n.sys,
-			filter: filter,
-			wd:     n.wd,
-			relays: n.relays,
-		},
-		fs.StableAttr{Mode: syscall.S_IFDIR},
-	), true)
 
 	return fs.OK
 }