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47 Commits

Author SHA1 Message Date
Yasuhiro Matsumoto
186ead1408 fix build 2026-01-19 00:57:08 +09:00
Yasuhiro Matsumoto
b2d5aa9bc2 add missing files 2026-01-19 00:50:25 +09:00
mattn
0e6a6d7506 Merge pull request #97 from mattn/both-gofuse-cgofuse
Windows use cgofuse but others use go-fuse
2026-01-19 00:48:45 +09:00
Yasuhiro Matsumoto
cff60b2f9f Windows use cgofuse but others use go-fuse 2026-01-18 23:19:06 +09:00
Yasuhiro Matsumoto
cb2247c9da implement blossom mirror 2026-01-17 11:07:47 -03:00
mattn
686d960f62 Merge pull request #96 from mattn/fix-release
fix release build
2026-01-17 21:14:28 +09:00
Yasuhiro Matsumoto
af04838153 fix release build 2026-01-17 20:51:01 +09:00
fiatjaf
c6da13649d hopefully eliminate the weird case of cron and githubactions calling nak with an empty stdin and causing it to do nothing.
closes https://github.com/fiatjaf/nak/issues/90
2026-01-16 16:11:07 -03:00
Yasuhiro Matsumoto
acd6227dd0 fix darwin build 2026-01-16 15:17:29 -03:00
mattn
00fbda9af7 use native runner and install macfuse 2026-01-16 13:43:19 -03:00
fiatjaf
e838de9b72 fs: move everything to the top-level directory. 2026-01-16 12:34:09 -03:00
fiatjaf
6dfbed4413 fs: just some renames. 2026-01-16 12:18:32 -03:00
fiatjaf
0e283368ed bunker: authorize preexisting keys first. 2026-01-16 12:15:07 -03:00
mattn
38775e0d93 Use cgofuse (#92) 2026-01-14 22:41:14 -03:00
fiatjaf
fabcad3f61 key: fix stupid error when passing nsec1 code to nak key public. 2026-01-10 09:56:39 -03:00
fiatjaf
69e4895e48 --outbox flag for encode. 2026-01-08 22:15:54 -03:00
fiatjaf
81524de04f gift: unwrap tries both decoupled and identity keys, wrap defaults to decoupled but accepts flags to change that. 2025-12-30 15:28:06 -03:00
fiatjaf
8334474f96 git: add viewsource.win to list of possible web views. 2025-12-29 19:53:07 -03:00
fiatjaf
87f27e214e use dekey by default on gift wrap and unwrap. 2025-12-28 12:49:53 -03:00
fiatjaf
32999917b4 actually run the smoke test. 2025-12-27 14:48:17 -03:00
fiatjaf
a19a179548 dekey: don't publish device announcements when not necessary, delete them when they become unnecessary. 2025-12-24 11:46:43 -03:00
fiatjaf
9b684f2c65 dekey: make it better and fix things, --rotate and other flags, prompts by default etc. 2025-12-24 00:09:50 -03:00
fiatjaf
6d87887855 spell: execute from history using the name, not only the id. 2025-12-23 21:32:54 -03:00
fiatjaf
e9c4deaf6d nak req --spell for creating spells. 2025-12-23 21:31:54 -03:00
fiatjaf
965a312b46 only build with lmdb on linux. 2025-12-22 13:01:26 -03:00
fiatjaf
2e4079f92c freeze nostrlib version. 2025-12-22 12:25:34 -03:00
fiatjaf
5b64795015 git: fix --tags 2025-12-22 12:24:03 -03:00
fiatjaf
5d4fe434c3 spell: also take a --pub to run spells in the context of other users. 2025-12-22 12:11:27 -03:00
fiatjaf
b95665d986 spell: store spells locally and add stdin spell to history. 2025-12-22 11:59:29 -03:00
fiatjaf
3be80c29df spell: fix listing recent. 2025-12-22 00:22:14 -03:00
fiatjaf
e01cfbde47 print spell details before running. 2025-12-22 00:19:10 -03:00
fiatjaf
e91d4429ec switch the local databases to lmdb so they can be accessed by multiple nak instances at the same time. 2025-12-22 00:18:56 -03:00
fiatjaf
21423b4a21 spell: execute from stdin event. 2025-12-21 21:59:44 -03:00
fiatjaf
1b7f3162b5 automatically create hints, store, and kvstore for system always. 2025-12-21 21:58:22 -03:00
fiatjaf
8f38468103 basic grimoire spell support. 2025-12-21 15:11:08 -03:00
fiatjaf
9bf728d850 git: nip34 state as fake heads instead of fake remotes. 2025-12-21 15:11:00 -03:00
fiatjaf
8396738fe2 git: push --tags support. 2025-12-21 15:11:00 -03:00
fiatjaf
c1d1682d6e dekey: add logs. 2025-12-19 14:50:59 -03:00
fiatjaf
6f00ff4c73 bunker: fix a halting waitgroup issue. 2025-12-16 13:13:12 -03:00
fiatjaf
68bbece3db update keypair pee example on readme. 2025-12-16 13:12:56 -03:00
fiatjaf
a83b23d76b add nak git demo to README. 2025-12-05 22:15:08 -03:00
fiatjaf
a288cc47a4 add example of compilation with -tags debug to README. 2025-12-05 22:09:22 -03:00
fiatjaf
5ee7670ba8 req: fix infinite loop when events channel is exhausted. 2025-12-04 13:21:43 -03:00
fiatjaf
b973b476bc req: print CLOSED messages. 2025-12-04 09:24:36 -03:00
fiatjaf
252612b12f add pee trick. 2025-12-04 08:46:20 -03:00
fiatjaf
4b8b6bb3de dekey: nip4e (untested). 2025-12-03 23:08:59 -03:00
fiatjaf
df491be232 serve: --grasp-path (hidden). 2025-12-02 15:53:18 -03:00
26 changed files with 3231 additions and 344 deletions

View File

@@ -47,3 +47,93 @@ jobs:
md5sum: false
sha256sum: false
compress_assets: false
smoke-test-linux-amd64:
runs-on: ubuntu-latest
needs:
- build-all-for-all
steps:
- name: download and smoke test latest binary
run: |
set -eo pipefail # exit on error, and on pipe failures
echo "downloading nak binary from releases"
RELEASE_URL="https://api.github.com/repos/fiatjaf/nak/releases/latest"
wget $(wget -q -O - ${RELEASE_URL} | jq -r '.assets[] | select(.name | contains("linux-amd64")) | .browser_download_url') -O nak -nv
chmod +x nak
echo "printing version..."
./nak --version
# generate and manipulate keys
echo "testing key operations..."
SECRET_KEY=$(./nak key generate)
PUBLIC_KEY=$(echo $SECRET_KEY | ./nak key public)
echo "generated key pair: $SECRET_KEY => $PUBLIC_KEY"
# create events
echo "testing event creation..."
./nak event -c "hello world"
HELLOWORLD=$(./nak event -c "hello world")
echo " hello world again: $HELLOWORLD"
./nak event --ts "2 days ago" -c "event with timestamp"
./nak event -k 1 -t "t=test" -c "event with tag"
# test NIP-19 encoding/decoding
echo "testing NIP-19 encoding/decoding..."
NSEC=$(echo $SECRET_KEY | ./nak encode nsec)
echo "encoded nsec: $NSEC"
./nak encode npub 79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
EVENT_ID="5ae731bbc7711f78513da14927c48cc7143a91e6cad0565fdc4d73b8967a7d59"
NEVENT1=$(./nak encode nevent $EVENT_ID)
echo "encoded nevent1: $NEVENT1"
./nak decode $NEVENT1
./nak decode npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6
# test event verification
echo "testing event verification..."
# create an event and verify it
VERIFY_EVENT=$(./nak event -c "verify me")
echo $VERIFY_EVENT | ./nak verify
# test PoW
echo "testing pow..."
./nak event -c "testing pow" --pow 8
# test NIP-49 key encryption/decryption
echo "testing NIP-49 key encryption/decryption..."
ENCRYPTED_KEY=$(./nak key encrypt $SECRET_KEY "testpassword")
echo "encrypted key: ${ENCRYPTED_KEY: 0:20}..."
DECRYPTED_KEY=$(./nak key decrypt $ENCRYPTED_KEY "testpassword")
if [ "$DECRYPTED_KEY" != "$SECRET_KEY" ]; then
echo "nip-49 encryption/decryption test failed!"
exit 1
fi
# test multi-value tags
echo "testing multi-value tags..."
./nak event --ts "yesterday" -t "e=f59911b561c37c90b01e9e5c2557307380835c83399756f4d62d8167227e420a;wss://relay.example.com;root" -c "testing multi-value tags"
# test relay operations (with a public relay)
echo "testing publishing..."
# publish a simple event to a public relay
EVENT_JSON=$(./nak event --sec $SECRET_KEY -c "test from nak smoke test" nos.lol < /dev/null)
EVENT_ID=$(echo $EVENT_JSON | jq -r .id)
echo "published event ID: $EVENT_ID"
# wait a moment for propagation
sleep 2
# fetch the event we just published
./nak req -i $EVENT_ID nos.lol
# test serving (just start and immediately kill)
echo "testing serve command..."
timeout 2s ./nak serve || true
# test filesystem mount (just start and immediately kill)
echo "testing fs mount command..."
mkdir -p /tmp/nostr-mount
timeout 2s ./nak fs --sec $SECRET_KEY /tmp/nostr-mount || true
echo "all tests passed"

View File

@@ -1,97 +0,0 @@
name: Smoke test the binary
on:
workflow_run:
workflows: ["build cli for all platforms"]
types:
- completed
branches:
- master
jobs:
smoke-test-linux-amd64:
runs-on: ubuntu-latest
if: ${{ github.event.workflow_run.conclusion == 'success' }}
steps:
- name: Download and smoke test latest binary
run: |
set -eo pipefail # Exit on error, and on pipe failures
echo "Downloading nak binary from releases"
RELEASE_URL="https://api.github.com/repos/fiatjaf/nak/releases/latest"
wget $(wget -q -O - ${RELEASE_URL} | jq -r '.assets[] | select(.name | contains("linux-amd64")) | .browser_download_url') -O nak -nv
chmod +x nak
echo "Running basic tests..."
./nak --version
# Generate and manipulate keys
echo "Testing key operations..."
SECRET_KEY=$(./nak key generate)
PUBLIC_KEY=$(echo $SECRET_KEY | ./nak key public)
echo "Generated key pair: $PUBLIC_KEY"
# Create events
echo "Testing event creation..."
./nak event -c "hello world"
./nak event --ts "2 days ago" -c "event with timestamp"
./nak event -k 1 -t "t=test" -c "event with tag"
# Test NIP-19 encoding/decoding
echo "Testing NIP-19 encoding/decoding..."
NSEC=$(echo $SECRET_KEY | ./nak encode nsec)
echo "Encoded nsec: $NSEC"
./nak encode npub 79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
NOTE_ID="5ae731bbc7711f78513da14927c48cc7143a91e6cad0565fdc4d73b8967a7d59"
NOTE1=$(./nak encode note $NOTE_ID)
echo "Encoded note1: $NOTE1"
./nak decode $NOTE1
./nak decode npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6
# Test event verification
echo "Testing event verification..."
# Create an event and verify it
VERIFY_EVENT=$(./nak event -c "verify me")
echo $VERIFY_EVENT | ./nak verify
# Test PoW
echo "Testing PoW..."
./nak event -c "testing pow" --pow 8
# Test NIP-49 key encryption/decryption
echo "Testing NIP-49 key encryption/decryption..."
ENCRYPTED_KEY=$(./nak key encrypt $SECRET_KEY "testpassword")
echo "Encrypted key: ${ENCRYPTED_KEY:0:20}..."
DECRYPTED_KEY=$(./nak key decrypt $ENCRYPTED_KEY "testpassword")
if [ "$DECRYPTED_KEY" != "$SECRET_KEY" ]; then
echo "NIP-49 encryption/decryption test failed!"
exit 1
fi
# Test multi-value tags
echo "Testing multi-value tags..."
./nak event --ts "yesterday" -t "e=f59911b561c37c90b01e9e5c2557307380835c83399756f4d62d8167227e420a;wss://relay.example.com;root" -c "Testing multi-value tags"
# Test relay operations (with a public relay)
echo "Testing relay operations..."
# Publish a simple event to a public relay
EVENT_JSON=$(./nak event --sec $SECRET_KEY -c "Test from nak smoke test" nos.lol)
EVENT_ID=$(echo $EVENT_JSON | jq -r .id)
echo "Published event ID: $EVENT_ID"
# Wait a moment for propagation
sleep 2
# Fetch the event we just published
./nak req -i $EVENT_ID nos.lol
# Test serving (just start and immediately kill)
echo "Testing serve command..."
timeout 2s ./nak serve || true
# Test filesystem mount (just start and immediately kill)
echo "Testing fs mount command..."
mkdir -p /tmp/nostr-mount
timeout 2s ./nak fs --sec $SECRET_KEY /tmp/nostr-mount || true
echo "All tests passed"

File diff suppressed because one or more lines are too long

View File

@@ -3,10 +3,15 @@ package main
import (
"bytes"
"context"
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"fmt"
"io"
"net/http"
"os"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/keyer"
"fiatjaf.com/nostr/nipb0/blossom"
"github.com/urfave/cli/v3"
@@ -230,11 +235,46 @@ if any of the files are not found the command will fail, otherwise it will succe
},
{
Name: "mirror",
Usage: "",
Description: ``,
Usage: "mirrors blobs from source server to target server",
Description: `lists all blobs from the source server and mirrors them to the target server using BUD-04. requires --sec to sign the authorization event.`,
DisableSliceFlagSeparator: true,
ArgsUsage: "",
Action: func(ctx context.Context, c *cli.Command) error {
targetClient, err := getBlossomClient(ctx, c)
if err != nil {
return err
}
// Create client for source server
sourceServer := c.Args().First()
keyer, _, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return err
}
sourceClient := blossom.NewClient(sourceServer, keyer)
// Get list of blobs from source server
bds, err := sourceClient.List(ctx)
if err != nil {
return fmt.Errorf("failed to list blobs from source server: %w", err)
}
// Mirror each blob to target server
hasError := false
for _, bd := range bds {
mirrored, err := mirrorBlob(ctx, targetClient, bd.URL)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to mirror %s: %s\n", bd.SHA256, err)
hasError = true
continue
}
j, _ := json.Marshal(mirrored)
stdout(string(j))
}
if hasError {
os.Exit(3)
}
return nil
},
},
@@ -248,3 +288,82 @@ func getBlossomClient(ctx context.Context, c *cli.Command) (*blossom.Client, err
}
return blossom.NewClient(c.String("server"), keyer), nil
}
// mirrorBlob mirrors a blob from a URL to the mediaserver using BUD-04
func mirrorBlob(ctx context.Context, client *blossom.Client, url string) (*blossom.BlobDescriptor, error) {
resp, err := http.Get(url)
if err != nil {
return nil, fmt.Errorf("failed to download blob from URL: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("failed to download blob: HTTP %d", resp.StatusCode)
}
data, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read blob content: %w", err)
}
hash := sha256.Sum256(data)
hashHex := hex.EncodeToString(hash[:])
signer := client.GetSigner()
pubkey, _ := signer.GetPublicKey(ctx)
evt := nostr.Event{
Kind: 24242,
CreatedAt: nostr.Now(),
Tags: nostr.Tags{
{"t", "upload"},
{"x", hashHex},
{"expiration", fmt.Sprintf("%d", nostr.Now()+60)},
},
Content: "blossom stuff",
PubKey: pubkey,
}
if err := signer.SignEvent(ctx, &evt); err != nil {
return nil, fmt.Errorf("failed to sign authorization event: %w", err)
}
evtj, err := json.Marshal(evt)
if err != nil {
return nil, fmt.Errorf("failed to marshal authorization event: %w", err)
}
auth := base64.StdEncoding.EncodeToString(evtj)
mediaserver := client.GetMediaServer()
mirrorURL := mediaserver + "mirror"
requestBody := map[string]string{"url": url}
requestJSON, _ := json.Marshal(requestBody)
req, err := http.NewRequestWithContext(ctx, "PUT", mirrorURL, bytes.NewReader(requestJSON))
if err != nil {
return nil, fmt.Errorf("failed to create mirror request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", "Nostr "+auth)
httpClient := &http.Client{}
mirrorResp, err := httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("failed to send mirror request: %w", err)
}
defer mirrorResp.Body.Close()
if mirrorResp.StatusCode < 200 || mirrorResp.StatusCode >= 300 {
body, _ := io.ReadAll(mirrorResp.Body)
return nil, fmt.Errorf("mirror request failed with HTTP %d: %s", mirrorResp.StatusCode, string(body))
}
var bd blossom.BlobDescriptor
if err := json.NewDecoder(mirrorResp.Body).Decode(&bd); err != nil {
return nil, fmt.Errorf("failed to decode blob descriptor: %w", err)
}
return &bd, nil
}

View File

@@ -329,6 +329,10 @@ var bunker = &cli.Command{
// asking user for authorization
signer.AuthorizeRequest = func(harmless bool, from nostr.PubKey, secret string) bool {
if slices.Contains(config.AuthorizedKeys, from) || slices.Contains(authorizedSecrets, secret) {
return true
}
if secret == newSecret {
// store this key
config.AuthorizedKeys = appendUnique(config.AuthorizedKeys, from)
@@ -343,9 +347,11 @@ var bunker = &cli.Command{
if persist != nil {
persist()
}
return true
}
return slices.Contains(config.AuthorizedKeys, from) || slices.Contains(authorizedSecrets, secret)
return false
}
for ie := range events {
@@ -366,6 +372,7 @@ var bunker = &cli.Command{
handlerWg.Add(len(relayURLs))
for _, relayURL := range relayURLs {
go func(relayURL string) {
defer handlerWg.Done()
if relay, _ := sys.Pool.EnsureRelay(relayURL); relay != nil {
err := relay.Publish(ctx, eventResponse)
printLock.Lock()
@@ -375,7 +382,6 @@ var bunker = &cli.Command{
log("* failed to send response: %s\n", err)
}
printLock.Unlock()
handlerWg.Done()
}
}(relayURL)
}

435
dekey.go Normal file
View File

@@ -0,0 +1,435 @@
package main
import (
"context"
"fmt"
"os"
"path/filepath"
"slices"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/nip19"
"fiatjaf.com/nostr/nip44"
"github.com/AlecAivazis/survey/v2"
"github.com/fatih/color"
"github.com/urfave/cli/v3"
)
var dekey = &cli.Command{
Name: "dekey",
Usage: "handles NIP-4E decoupled encryption keys",
Description: "maybe this picture will explain better than I can do here for now: https://cdn.azzamo.net/89c543d261ad0d665c1dea78f91e527c2e39e7fe503b440265a3c47e63c9139f.png",
DisableSliceFlagSeparator: true,
Flags: append(defaultKeyFlags,
&cli.StringFlag{
Name: "device",
Usage: "name of this device that will be published and displayed on other clients",
Value: func() string {
if hostname, err := os.Hostname(); err == nil {
return "nak@" + hostname
}
return "nak@unknown"
}(),
},
&cli.BoolFlag{
Name: "rotate",
Usage: "force the creation of a new decoupled encryption key, effectively invalidating any previous ones",
},
&cli.BoolFlag{
Name: "authorize-all",
Aliases: []string{"yolo"},
Usage: "do not ask for confirmation, just automatically send the decoupled encryption key to all devices that exist",
},
&cli.BoolFlag{
Name: "reject-all",
Usage: "do not ask for confirmation, just not send the decoupled encryption key to any device",
},
),
Action: func(ctx context.Context, c *cli.Command) error {
kr, _, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return err
}
userPub, err := kr.GetPublicKey(ctx)
if err != nil {
return fmt.Errorf("failed to get user public key: %w", err)
}
configPath := c.String("config-path")
deviceName := c.String("device")
log("handling device key for %s as %s\n",
color.YellowString(deviceName),
color.CyanString(nip19.EncodeNpub(userPub)),
)
// check if we already have a local-device secret key
deviceKeyPath := filepath.Join(configPath, "dekey", "device-key")
var deviceSec nostr.SecretKey
if data, err := os.ReadFile(deviceKeyPath); err == nil {
log(color.GreenString("found existing device key\n"))
deviceSec, err = nostr.SecretKeyFromHex(string(data))
if err != nil {
return fmt.Errorf("invalid device key in %s: %w", deviceKeyPath, err)
}
} else {
log(color.YellowString("generating new device key\n"))
// create one
deviceSec = nostr.Generate()
os.MkdirAll(filepath.Dir(deviceKeyPath), 0700)
if err := os.WriteFile(deviceKeyPath, []byte(deviceSec.Hex()), 0600); err != nil {
return fmt.Errorf("failed to write device key: %w", err)
}
log(color.GreenString("device key generated and stored\n"))
}
devicePub := deviceSec.Public()
// get relays for the user
log("fetching write relays for %s\n", color.CyanString(nip19.EncodeNpub(userPub)))
relays := sys.FetchWriteRelays(ctx, userPub)
relayList := connectToAllRelays(ctx, c, relays, nil, nostr.PoolOptions{})
if len(relayList) == 0 {
return fmt.Errorf("no relays to use")
}
// check for kind:10044
log("- checking for decoupled encryption key (kind:10044)\n")
keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{10044},
Authors: []nostr.PubKey{userPub},
}, nostr.SubscriptionOptions{Label: "nak-nip4e"})
var eSec nostr.SecretKey
var ePub nostr.PubKey
var generateNewEncryptionKey bool
keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: userPub, D: ""})
if !ok {
log("- no decoupled encryption key found, generating new one\n")
generateNewEncryptionKey = true
} else {
// get the pub from the tag
for _, tag := range keyAnnouncementEvent.Tags {
if len(tag) >= 2 && tag[0] == "n" {
ePub, _ = nostr.PubKeyFromHex(tag[1])
break
}
}
if ePub == nostr.ZeroPK {
return fmt.Errorf("got invalid kind:10044 event, no 'n' tag")
}
log(". a decoupled encryption public key already exists: %s\n", color.CyanString(ePub.Hex()))
if c.Bool("rotate") {
log(color.GreenString("rotating it by generating a new one\n"))
generateNewEncryptionKey = true
}
}
if generateNewEncryptionKey {
// generate main secret key
eSec = nostr.Generate()
ePub = eSec.Public()
// store it
eKeyPath := filepath.Join(configPath, "dekey", "p", userPub.Hex(), "e", ePub.Hex())
os.MkdirAll(filepath.Dir(eKeyPath), 0700)
if err := os.WriteFile(eKeyPath, []byte(eSec.Hex()), 0600); err != nil {
return fmt.Errorf("failed to write decoupled encryption key: %w", err)
}
log("decoupled encryption key generated and stored, public key: %s\n", color.CyanString(ePub.Hex()))
// publish kind:10044
log("publishing decoupled encryption public key (kind:10044)\n")
evt10044 := nostr.Event{
Kind: 10044,
Content: "",
CreatedAt: nostr.Now(),
Tags: nostr.Tags{
{"n", ePub.Hex()},
},
}
if err := kr.SignEvent(ctx, &evt10044); err != nil {
return fmt.Errorf("failed to sign kind:10044: %w", err)
}
if err := publishFlow(ctx, c, kr, evt10044, relayList); err != nil {
return err
}
} else {
// check if we have the key
eKeyPath := filepath.Join(configPath, "dekey", "p", userPub.Hex(), "e", ePub.Hex())
if data, err := os.ReadFile(eKeyPath); err == nil {
log(color.GreenString("- and we have it locally already\n"))
eSec, err = nostr.SecretKeyFromHex(string(data))
if err != nil {
return fmt.Errorf("invalid main key: %w", err)
}
if eSec.Public() != ePub {
return fmt.Errorf("stored decoupled encryption key is corrupted: %w", err)
}
} else {
log("- decoupled encryption key not found locally, attempting to fetch the key from other devices\n")
// check if our kind:4454 is already published
log("- checking for existing device announcement (kind:4454)\n")
ourDeviceAnnouncementEvents := make([]nostr.Event, 0, 1)
for evt := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{4454},
Authors: []nostr.PubKey{userPub},
Tags: nostr.TagMap{
"P": []string{devicePub.Hex()},
},
Limit: 1,
}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
ourDeviceAnnouncementEvents = append(ourDeviceAnnouncementEvents, evt.Event)
}
if len(ourDeviceAnnouncementEvents) == 0 {
log(". no device announcement found, publishing kind:4454 for %s\n", color.YellowString(deviceName))
// publish kind:4454
evt := nostr.Event{
Kind: 4454,
Content: "",
CreatedAt: nostr.Now(),
Tags: nostr.Tags{
{"client", deviceName},
{"P", devicePub.Hex()},
},
}
// sign with main key
if err := kr.SignEvent(ctx, &evt); err != nil {
return fmt.Errorf("failed to sign device event: %w", err)
}
// publish
if err := publishFlow(ctx, c, kr, evt, relayList); err != nil {
return err
}
log(color.GreenString(". device announcement published\n"))
ourDeviceAnnouncementEvents = append(ourDeviceAnnouncementEvents, evt)
} else {
log(color.GreenString(". device already registered\n"))
}
// see if some other device has shared the key with us from kind:4455
for eKeyMsg := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{4455},
Tags: nostr.TagMap{
"p": []string{devicePub.Hex()},
},
Since: keyAnnouncementEvent.CreatedAt + 1,
}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
var senderPub nostr.PubKey
for _, tag := range eKeyMsg.Tags {
if len(tag) >= 2 && tag[0] == "P" {
senderPub, _ = nostr.PubKeyFromHex(tag[1])
break
}
}
if senderPub == nostr.ZeroPK {
continue
}
ss, err := nip44.GenerateConversationKey(senderPub, deviceSec)
if err != nil {
continue
}
eSecHex, err := nip44.Decrypt(eKeyMsg.Content, ss)
if err != nil {
continue
}
eSec, err = nostr.SecretKeyFromHex(eSecHex)
if err != nil {
continue
}
// check if it matches mainPub
if eSec.Public() == ePub {
log(color.GreenString("successfully received decoupled encryption key from another device\n"))
// store it
os.MkdirAll(filepath.Dir(eKeyPath), 0700)
os.WriteFile(eKeyPath, []byte(eSecHex), 0600)
// delete our 4454 if we had one, since we received the key
if len(ourDeviceAnnouncementEvents) > 0 {
log("deleting our device announcement (kind:4454) since we received the decoupled encryption key\n")
deletion4454 := nostr.Event{
CreatedAt: nostr.Now(),
Kind: 5,
Tags: nostr.Tags{
{"e", ourDeviceAnnouncementEvents[0].ID.Hex()},
},
}
if err := kr.SignEvent(ctx, &deletion4454); err != nil {
log(color.RedString("failed to sign 4454 deletion: %v\n"), err)
} else if err := publishFlow(ctx, c, kr, deletion4454, relayList); err != nil {
log(color.RedString("failed to publish 4454 deletion: %v\n"), err)
} else {
log(color.GreenString("- device announcement deleted\n"))
}
}
// delete the 4455 we just decrypted
log("deleting the key message (kind:4455) we just decrypted\n")
deletion4455 := nostr.Event{
CreatedAt: nostr.Now(),
Kind: 5,
Tags: nostr.Tags{
{"e", eKeyMsg.ID.Hex()},
},
}
if err := kr.SignEvent(ctx, &deletion4455); err != nil {
log(color.RedString("failed to sign 4455 deletion: %v\n"), err)
} else if err := publishFlow(ctx, c, kr, deletion4455, relayList); err != nil {
log(color.RedString("failed to publish 4455 deletion: %v\n"), err)
} else {
log(color.GreenString("- key message deleted\n"))
}
break
}
}
}
}
if eSec == [32]byte{} {
log("decoupled encryption secret key not available, must be sent from another device to %s first\n",
color.YellowString(deviceName))
return nil
}
log(color.GreenString("- decoupled encryption key ready\n"))
// now we have mainSec, check for other kind:4454 events newer than the 10044
log("- checking for other devices and key messages so we can send the key\n")
keyMsgs := make([]string, 0, 5)
for keyOrDeviceEvt := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{4454, 4455},
Authors: []nostr.PubKey{userPub},
Since: keyAnnouncementEvent.CreatedAt + 1,
}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
if keyOrDeviceEvt.Kind == 4455 {
// got key event
keyEvent := keyOrDeviceEvt
// assume a key msg will always come before its associated devicemsg
// so just store them here:
pubkeyTag := keyEvent.Tags.Find("p")
if pubkeyTag == nil {
continue
}
keyMsgs = append(keyMsgs, pubkeyTag[1])
} else if keyOrDeviceEvt.Kind == 4454 {
// device event
deviceEvt := keyOrDeviceEvt
// skip ourselves
if deviceEvt.Tags.FindWithValue("P", devicePub.Hex()) != nil {
continue
}
// if there is a clock skew (current time is earlier than the time of this device's announcement) skip it
if nostr.Now() < deviceEvt.CreatedAt {
continue
}
// if this already has a corresponding keyMsg then skip it
pubkeyTag := deviceEvt.Tags.Find("P")
if pubkeyTag == nil {
continue
}
if slices.Contains(keyMsgs, pubkeyTag[1]) {
continue
}
deviceTag := deviceEvt.Tags.Find("client")
if deviceTag == nil {
continue
}
// here we know we're dealing with a deviceMsg without a corresponding keyMsg
// so we have to build a keyMsg for them
theirDevice, err := nostr.PubKeyFromHex(pubkeyTag[1])
if err != nil {
continue
}
if c.Bool("authorize-all") {
// will proceed
} else if c.Bool("reject-all") {
log(" - skipping %s\n", color.YellowString(deviceTag[1]))
continue
} else {
var proceed bool
if err := survey.AskOne(&survey.Confirm{
Message: fmt.Sprintf("share decoupled encryption key with %s"+colors.bold("?"),
color.YellowString(deviceTag[1])),
}, &proceed); err != nil {
return err
}
if proceed {
// will proceed
} else {
// won't proceed
var deleteDevice bool
if err := survey.AskOne(&survey.Confirm{
Message: fmt.Sprintf(" delete %s"+colors.bold("'s announcement?"), color.YellowString(deviceTag[1])),
}, &deleteDevice); err != nil {
return err
}
if deleteDevice {
log(" - deleting %s\n", color.YellowString(deviceTag[1]))
deletion := nostr.Event{
CreatedAt: nostr.Now(),
Kind: 5,
Tags: nostr.Tags{
{"e", deviceEvt.ID.Hex()},
},
}
if err := kr.SignEvent(ctx, &deletion); err != nil {
return fmt.Errorf("failed to sign deletion '%s': %w", deletion.GetID().Hex(), err)
}
if err := publishFlow(ctx, c, kr, deletion, relayList); err != nil {
return fmt.Errorf("publish flow failed: %w", err)
}
} else {
log(" - skipped\n")
}
continue
}
}
log("- sending decoupled encryption key to new device %s\n", color.YellowString(deviceTag[1]))
ss, err := nip44.GenerateConversationKey(theirDevice, deviceSec)
if err != nil {
continue
}
ciphertext, err := nip44.Encrypt(eSec.Hex(), ss)
if err != nil {
continue
}
evt4455 := nostr.Event{
Kind: 4455,
Content: ciphertext,
CreatedAt: nostr.Now(),
Tags: nostr.Tags{
{"p", theirDevice.Hex()},
{"P", devicePub.Hex()},
},
}
if err := kr.SignEvent(ctx, &evt4455); err != nil {
continue
}
if err := publishFlow(ctx, c, kr, evt4455, relayList); err != nil {
log(color.RedString("failed to publish key message: %v\n"), err)
} else {
log(" - decoupled encryption key sent to %s\n", color.GreenString(deviceTag[1]))
}
}
}
stdout(ePub.Hex())
return nil
},
}

View File

@@ -25,13 +25,6 @@ var encode = &cli.Command{
"relays":["wss://nada.zero"],
"author":"ebb6ff85430705651b311ed51328767078fd790b14f02d22efba68d5513376bc"
} | nak encode`,
Flags: []cli.Flag{
&cli.StringSliceFlag{
Name: "relay",
Aliases: []string{"r"},
Usage: "attach relay hints to naddr code",
},
},
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
if c.Args().Len() != 0 {
@@ -126,7 +119,12 @@ var encode = &cli.Command{
&cli.StringSliceFlag{
Name: "relay",
Aliases: []string{"r"},
Usage: "attach relay hints to nprofile code",
Usage: "attach relay hints to the code",
},
&BoolIntFlag{
Name: "outbox",
Usage: "automatically appends outbox relays to the code",
Value: 3,
},
},
DisableSliceFlagSeparator: true,
@@ -139,6 +137,13 @@ var encode = &cli.Command{
}
relays := c.StringSlice("relay")
if getBoolInt(c, "outbox") > 0 {
for _, r := range sys.FetchOutboxRelays(ctx, pk, int(getBoolInt(c, "outbox"))) {
relays = appendUnique(relays, r)
}
}
if err := normalizeAndValidateRelayURLs(relays); err != nil {
return err
}
@@ -159,6 +164,16 @@ var encode = &cli.Command{
Aliases: []string{"a"},
Usage: "attach an author pubkey as a hint to the nevent code",
},
&cli.StringSliceFlag{
Name: "relay",
Aliases: []string{"r"},
Usage: "attach relay hints to the code",
},
&BoolIntFlag{
Name: "outbox",
Usage: "automatically appends outbox relays to the code",
Value: 3,
},
},
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
@@ -171,6 +186,13 @@ var encode = &cli.Command{
author := getPubKey(c, "author")
relays := c.StringSlice("relay")
if getBoolInt(c, "outbox") > 0 && author != nostr.ZeroPK {
for _, r := range sys.FetchOutboxRelays(ctx, author, int(getBoolInt(c, "outbox"))) {
relays = appendUnique(relays, r)
}
}
if err := normalizeAndValidateRelayURLs(relays); err != nil {
return err
}
@@ -204,6 +226,16 @@ var encode = &cli.Command{
Usage: "kind of referred replaceable event",
Required: true,
},
&cli.StringSliceFlag{
Name: "relay",
Aliases: []string{"r"},
Usage: "attach relay hints to the code",
},
&BoolIntFlag{
Name: "outbox",
Usage: "automatically appends outbox relays to the code",
Value: 3,
},
},
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
@@ -224,6 +256,13 @@ var encode = &cli.Command{
}
relays := c.StringSlice("relay")
if getBoolInt(c, "outbox") > 0 {
for _, r := range sys.FetchOutboxRelays(ctx, pubkey, int(getBoolInt(c, "outbox"))) {
relays = appendUnique(relays, r)
}
}
if err := normalizeAndValidateRelayURLs(relays); err != nil {
return err
}

View File

@@ -24,7 +24,7 @@ const (
CATEGORY_EXTRAS = "EXTRAS"
)
var event = &cli.Command{
var eventCmd = &cli.Command{
Name: "event",
Usage: "generates an encoded event and either prints it or sends it to a set of relays",
Description: `outputs an event built with the flags. if one or more relays are given as arguments, an attempt is also made to publish the event to these relays.
@@ -155,6 +155,7 @@ example:
os.Exit(3)
}
}
kr, sec, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return err

View File

@@ -9,7 +9,7 @@ import (
"github.com/urfave/cli/v3"
)
var filter = &cli.Command{
var filterCmd = &cli.Command{
Name: "filter",
Usage: "applies an event filter to an event to see if it matches.",
Description: `

View File

@@ -11,6 +11,62 @@ import (
"github.com/urfave/cli/v3"
)
type (
BoolIntFlag = cli.FlagBase[int, struct{}, boolIntValue]
)
type boolIntValue struct {
int int
defaultWhenSet int
hasDefault bool
hasBeenSet bool
}
var _ cli.ValueCreator[int, struct{}] = boolIntValue{}
func (t boolIntValue) Create(val int, p *int, c struct{}) cli.Value {
*p = val
return &boolIntValue{
defaultWhenSet: val,
hasDefault: true,
}
}
func (t boolIntValue) IsBoolFlag() bool {
return true
}
func (t boolIntValue) ToString(b int) string { return "<<>>" }
func (t *boolIntValue) Set(value string) error {
t.hasBeenSet = true
if value == "true" {
if t.hasDefault {
t.int = t.defaultWhenSet
} else {
t.int = 1
}
return nil
} else {
var err error
t.int, err = strconv.Atoi(value)
return err
}
}
func (t *boolIntValue) String() string { return fmt.Sprintf("%#v", t.int) }
func (t *boolIntValue) Value() int { return t.int }
func (t *boolIntValue) Get() any { return t.int }
func getBoolInt(cmd *cli.Command, name string) int {
return cmd.Value(name).(int)
}
//
//
//
type NaturalTimeFlag = cli.FlagBase[nostr.Timestamp, struct{}, naturalTimeValue]
type naturalTimeValue struct {

View File

@@ -1,4 +1,4 @@
//go:build windows || openbsd
//go:build openbsd
package main
@@ -15,6 +15,6 @@ var fsCmd = &cli.Command{
Description: `doesn't work on Windows and OpenBSD.`,
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
return fmt.Errorf("this doesn't work on Windows and OpenBSD.")
return fmt.Errorf("this doesn't work on OpenBSD.")
},
}

1179
fs_root.go Normal file

File diff suppressed because it is too large Load Diff

139
fs_windows.go Normal file
View File

@@ -0,0 +1,139 @@
//go:build windows
package main
import (
"context"
"fmt"
"os"
"path/filepath"
"time"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/keyer"
"github.com/fatih/color"
"github.com/urfave/cli/v3"
"github.com/winfsp/cgofuse/fuse"
)
var fsCmd = &cli.Command{
Name: "fs",
Usage: "mount a FUSE filesystem that exposes Nostr events as files.",
Description: `(experimental)`,
ArgsUsage: "<mountpoint>",
Flags: append(defaultKeyFlags,
&PubKeyFlag{
Name: "pubkey",
Usage: "public key from where to to prepopulate directories",
},
&cli.DurationFlag{
Name: "auto-publish-notes",
Usage: "delay after which new notes will be auto-published, set to -1 to not publish.",
Value: time.Second * 30,
},
&cli.DurationFlag{
Name: "auto-publish-articles",
Usage: "delay after which edited articles will be auto-published.",
Value: time.Hour * 24 * 365 * 2,
DefaultText: "basically infinite",
},
),
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
mountpoint := c.Args().First()
if mountpoint == "" {
return fmt.Errorf("must be called with a directory path to serve as the mountpoint as an argument")
}
var kr nostr.User
if signer, _, err := gatherKeyerFromArguments(ctx, c); err == nil {
kr = signer
} else {
kr = keyer.NewReadOnlyUser(getPubKey(c, "pubkey"))
}
apnt := c.Duration("auto-publish-notes")
if apnt < 0 {
apnt = time.Hour * 24 * 365 * 3
}
apat := c.Duration("auto-publish-articles")
if apat < 0 {
apat = time.Hour * 24 * 365 * 3
}
root := NewFSRoot(
context.WithValue(
context.WithValue(
ctx,
"log", log,
),
"logverbose", logverbose,
),
sys,
kr,
mountpoint,
FSOptions{
AutoPublishNotesTimeout: apnt,
AutoPublishArticlesTimeout: apat,
},
)
// create the server
log("- mounting at %s... ", color.HiCyanString(mountpoint))
// create cgofuse host
host := fuse.NewFileSystemHost(root)
host.SetCapReaddirPlus(true)
host.SetUseIno(true)
// mount the filesystem - Windows/WinFsp version
// based on rclone cmount implementation
mountArgs := []string{
"-o", "uid=-1",
"-o", "gid=-1",
"--FileSystemName=nak",
}
// check if mountpoint is a drive letter or directory
isDriveLetter := len(mountpoint) == 2 && mountpoint[1] == ':'
if !isDriveLetter {
// winFsp primarily supports drive letters on Windows
// directory mounting may not work reliably
log("WARNING: directory mounting may not work on Windows (WinFsp limitation)\n")
log(" consider using a drive letter instead (e.g., 'nak fs Z:')\n")
// for directory mounts, follow rclone's approach:
// 1. check that mountpoint doesn't already exist
if _, err := os.Stat(mountpoint); err == nil {
return fmt.Errorf("mountpoint path already exists: %s (must not exist before mounting)", mountpoint)
} else if !os.IsNotExist(err) {
return fmt.Errorf("failed to check mountpoint: %w", err)
}
// 2. check that parent directory exists
parent := filepath.Join(mountpoint, "..")
if _, err := os.Stat(parent); err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("parent of mountpoint directory does not exist: %s", parent)
}
return fmt.Errorf("failed to check parent directory: %w", err)
}
// 3. use network mode for directory mounts
mountArgs = append(mountArgs, "--VolumePrefix=\\nak\\"+filepath.Base(mountpoint))
}
if isVerbose {
mountArgs = append(mountArgs, "-o", "debug")
}
mountArgs = append(mountArgs, mountpoint)
log("ok.\n")
if !host.Mount("", mountArgs) {
return fmt.Errorf("failed to mount filesystem")
}
return nil
},
}

241
gift.go
View File

@@ -4,10 +4,14 @@ import (
"context"
"fmt"
"math/rand"
"os"
"path/filepath"
"time"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/keyer"
"fiatjaf.com/nostr/nip44"
"github.com/fatih/color"
"github.com/mailru/easyjson"
"github.com/urfave/cli/v3"
)
@@ -16,19 +20,29 @@ var gift = &cli.Command{
Name: "gift",
Usage: "gift-wraps (or unwraps) an event according to NIP-59",
Description: `example:
nak event | nak gift wrap --sec <sec-a> -p <sec-b> | nak gift unwrap --sec <sec-b> --from <pub-a>`,
nak event | nak gift wrap --sec <sec-a> -p <sec-b> | nak gift unwrap --sec <sec-b> --from <pub-a>
a decoupled key (if it has been created or received with "nak dekey" previously) will be used by default.`,
DisableSliceFlagSeparator: true,
Flags: defaultKeyFlags,
Commands: []*cli.Command{
{
Name: "wrap",
Flags: append(
defaultKeyFlags,
Flags: []cli.Flag{
&PubKeyFlag{
Name: "recipient-pubkey",
Aliases: []string{"p", "tgt", "target", "pubkey", "to"},
Required: true,
},
),
&cli.BoolFlag{
Name: "use-our-identity-key",
Usage: "Encrypt with the key given to --sec directly even when a decoupled key exists for the sender.",
},
&cli.BoolFlag{
Name: "use-their-identity-key",
Usage: "Encrypt to the public key given as --recipient-pubkey directly even when a decoupled key exists for the receiver.",
},
},
Usage: "turns an event into a rumor (unsigned) then gift-wraps it to the recipient",
Description: `example:
nak event -c 'hello' | nak gift wrap --sec <my-secret-key> -p <target-public-key>`,
@@ -38,14 +52,46 @@ var gift = &cli.Command{
return err
}
recipient := getPubKey(c, "recipient-pubkey")
// get sender pubkey
// get sender pubkey (ourselves)
sender, err := kr.GetPublicKey(ctx)
if err != nil {
return fmt.Errorf("failed to get sender pubkey: %w", err)
}
var using bool
var cipher nostr.Cipher = kr
// use decoupled key if it exists
using = false
if !c.Bool("use-our-identity-key") {
configPath := c.String("config-path")
eSec, has, err := getDecoupledEncryptionSecretKey(ctx, configPath, sender)
if has {
if err != nil {
return fmt.Errorf("our decoupled encryption key exists, but we failed to get it: %w; call `nak dekey` to attempt a fix or call this again with --encrypt-with-our-identity-key to bypass", err)
}
cipher = keyer.NewPlainKeySigner(eSec)
log("- using our decoupled encryption key %s\n", color.CyanString(eSec.Public().Hex()))
using = true
}
}
if !using {
log("- using our identity key %s\n", color.CyanString(sender.Hex()))
}
recipient := getPubKey(c, "recipient-pubkey")
using = false
if !c.Bool("use-their-identity-key") {
if theirEPub, exists := getDecoupledEncryptionPublicKey(ctx, recipient); exists {
recipient = theirEPub
using = true
log("- using their decoupled encryption public key %s\n", color.CyanString(theirEPub.Hex()))
}
}
if !using {
log("- using their identity public key %s\n", color.CyanString(recipient.Hex()))
}
// read event from stdin
for eventJSON := range getJsonsOrBlank() {
if eventJSON == "{}" {
@@ -65,7 +111,7 @@ var gift = &cli.Command{
// create seal
rumorJSON, _ := easyjson.Marshal(rumor)
encryptedRumor, err := kr.Encrypt(ctx, string(rumorJSON), recipient)
encryptedRumor, err := cipher.Encrypt(ctx, string(rumorJSON), recipient)
if err != nil {
return fmt.Errorf("failed to encrypt rumor: %w", err)
}
@@ -114,22 +160,30 @@ var gift = &cli.Command{
Name: "unwrap",
Usage: "decrypts a gift-wrap event sent by the sender to us and exposes its internal rumor (unsigned event).",
Description: `example:
nak req -p <my-public-key> -k 1059 dmrelay.com | nak gift unwrap --sec <my-secret-key> --from <sender-public-key>`,
Flags: append(
defaultKeyFlags,
&PubKeyFlag{
Name: "sender-pubkey",
Aliases: []string{"p", "src", "source", "pubkey", "from"},
Required: true,
},
),
nak req -p <my-public-key> -k 1059 dmrelay.com | nak gift unwrap --sec <my-secret-key>`,
Action: func(ctx context.Context, c *cli.Command) error {
kr, _, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return err
}
sender := getPubKey(c, "sender-pubkey")
// get receiver public key (ourselves)
receiver, err := kr.GetPublicKey(ctx)
if err != nil {
return err
}
ciphers := []nostr.Cipher{kr}
// use decoupled key if it exists
configPath := c.String("config-path")
eSec, has, err := getDecoupledEncryptionSecretKey(ctx, configPath, receiver)
if has {
if err != nil {
return fmt.Errorf("our decoupled encryption key exists, but we failed to get it: %w; call `nak dekey` to attempt a fix or call this again with --use-direct to bypass", err)
}
ciphers = append(ciphers, kr)
ciphers[0] = keyer.NewPlainKeySigner(eSec) // pub decoupled key first
}
// read gift-wrapped event from stdin
for wrapJSON := range getJsonsOrBlank() {
@@ -146,36 +200,79 @@ var gift = &cli.Command{
return fmt.Errorf("not a gift wrap event (kind %d)", wrap.Kind)
}
ephemeralPubkey := wrap.PubKey
// decrypt seal
sealJSON, err := kr.Decrypt(ctx, wrap.Content, ephemeralPubkey)
if err != nil {
return fmt.Errorf("failed to decrypt seal: %w", err)
}
// decrypt seal (in the process also find out if they encrypted it to our identity key or to our decoupled key)
var cipher nostr.Cipher
var seal nostr.Event
if err := easyjson.Unmarshal([]byte(sealJSON), &seal); err != nil {
return fmt.Errorf("invalid seal JSON: %w", err)
// try both the receiver identity key and decoupled key
err = nil
for c, potentialCipher := range ciphers {
switch c {
case 0:
log("- trying the receiver's decoupled encryption key %s\n", color.CyanString(eSec.Public().Hex()))
case 1:
log("- trying the receiver's identity key %s\n", color.CyanString(receiver.Hex()))
}
sealj, thisErr := potentialCipher.Decrypt(ctx, wrap.Content, wrap.PubKey)
if thisErr != nil {
err = thisErr
continue
}
if thisErr := easyjson.Unmarshal([]byte(sealj), &seal); thisErr != nil {
err = fmt.Errorf("invalid seal JSON: %w", thisErr)
continue
}
cipher = potentialCipher
break
}
if seal.ID == nostr.ZeroID {
// if both ciphers failed above we'll reach here
return fmt.Errorf("failed to decrypt seal: %w", err)
}
if seal.Kind != 13 {
return fmt.Errorf("not a seal event (kind %d)", seal.Kind)
}
// decrypt rumor
rumorJSON, err := kr.Decrypt(ctx, seal.Content, sender)
if err != nil {
senderEncryptionPublicKeys := []nostr.PubKey{seal.PubKey}
if theirEPub, exists := getDecoupledEncryptionPublicKey(ctx, seal.PubKey); exists {
senderEncryptionPublicKeys = append(senderEncryptionPublicKeys, seal.PubKey)
senderEncryptionPublicKeys[0] = theirEPub // put decoupled key first
}
// decrypt rumor (at this point we know what cipher is the one they encrypted to)
// (but we don't know if they have encrypted with their identity key or their decoupled key, so try both)
var rumor nostr.Event
err = nil
for s, senderEncryptionPublicKey := range senderEncryptionPublicKeys {
switch s {
case 0:
log("- trying the sender's decoupled encryption public key %s\n", color.CyanString(senderEncryptionPublicKey.Hex()))
case 1:
log("- trying the sender's identity public key %s\n", color.CyanString(senderEncryptionPublicKey.Hex()))
}
rumorj, thisErr := cipher.Decrypt(ctx, seal.Content, senderEncryptionPublicKey)
if thisErr != nil {
err = fmt.Errorf("failed to decrypt rumor: %w", thisErr)
continue
}
if thisErr := easyjson.Unmarshal([]byte(rumorj), &rumor); thisErr != nil {
err = fmt.Errorf("invalid rumor JSON: %w", thisErr)
continue
}
break
}
if rumor.ID == nostr.ZeroID {
return fmt.Errorf("failed to decrypt rumor: %w", err)
}
var rumor nostr.Event
if err := easyjson.Unmarshal([]byte(rumorJSON), &rumor); err != nil {
return fmt.Errorf("invalid rumor JSON: %w", err)
}
// output the unwrapped event (rumor)
stdout(rumorJSON)
stdout(rumor.String())
}
return nil
@@ -190,3 +287,73 @@ func randomNow() nostr.Timestamp {
randomOffset := rand.Int63n(twoDays)
return nostr.Timestamp(now - randomOffset)
}
func getDecoupledEncryptionSecretKey(ctx context.Context, configPath string, pubkey nostr.PubKey) (nostr.SecretKey, bool, error) {
relays := sys.FetchWriteRelays(ctx, pubkey)
keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{10044},
Authors: []nostr.PubKey{pubkey},
}, nostr.SubscriptionOptions{Label: "nak-nip4e-gift"})
keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: pubkey, D: ""})
if ok {
var ePub nostr.PubKey
// get the pub from the tag
for _, tag := range keyAnnouncementEvent.Tags {
if len(tag) >= 2 && tag[0] == "n" {
ePub, _ = nostr.PubKeyFromHex(tag[1])
break
}
}
if ePub == nostr.ZeroPK {
return [32]byte{}, true, fmt.Errorf("got invalid kind:10044 event, no 'n' tag")
}
// check if we have the key
eKeyPath := filepath.Join(configPath, "dekey", "p", pubkey.Hex(), "e", ePub.Hex())
if data, err := os.ReadFile(eKeyPath); err == nil {
eSec, err := nostr.SecretKeyFromHex(string(data))
if err != nil {
return [32]byte{}, true, fmt.Errorf("invalid main key: %w", err)
}
if eSec.Public() != ePub {
return [32]byte{}, true, fmt.Errorf("stored decoupled encryption key is corrupted: %w", err)
}
return eSec, true, nil
}
}
return [32]byte{}, false, nil
}
func getDecoupledEncryptionPublicKey(ctx context.Context, pubkey nostr.PubKey) (nostr.PubKey, bool) {
relays := sys.FetchWriteRelays(ctx, pubkey)
keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
Kinds: []nostr.Kind{10044},
Authors: []nostr.PubKey{pubkey},
}, nostr.SubscriptionOptions{Label: "nak-nip4e-gift"})
keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: pubkey, D: ""})
if ok {
var ePub nostr.PubKey
// get the pub from the tag
for _, tag := range keyAnnouncementEvent.Tags {
if len(tag) >= 2 && tag[0] == "n" {
ePub, _ = nostr.PubKeyFromHex(tag[1])
break
}
}
if ePub == nostr.ZeroPK {
return nostr.ZeroPK, false
}
return ePub, true
}
return nostr.ZeroPK, false
}

63
git.go
View File

@@ -277,6 +277,10 @@ aside from those, there is also:
// prompt for web URLs
webURLs, err := promptForStringList("web URLs", config.Web, []string{
fmt.Sprintf("https://viewsource.win/%s/%s",
nip19.EncodeNpub(nostr.MustPubKeyFromHex(config.Owner)),
config.Identifier,
),
fmt.Sprintf("https://gitworkshop.dev/%s/%s",
nip19.EncodeNpub(nostr.MustPubKeyFromHex(config.Owner)),
config.Identifier,
@@ -455,11 +459,17 @@ aside from those, there is also:
{
Name: "push",
Usage: "push git changes",
Flags: append(defaultKeyFlags, &cli.BoolFlag{
Name: "force",
Aliases: []string{"f"},
Usage: "force push to git remotes",
}),
Flags: append(defaultKeyFlags,
&cli.BoolFlag{
Name: "force",
Aliases: []string{"f"},
Usage: "force push to git remotes",
},
&cli.BoolFlag{
Name: "tags",
Usage: "push all refs under refs/tags",
},
),
Action: func(ctx context.Context, c *cli.Command) error {
// setup signer
kr, _, err := gatherKeyerFromArguments(ctx, c)
@@ -526,6 +536,40 @@ aside from those, there is also:
log("- setting HEAD to branch %s\n", color.CyanString(remoteBranch))
}
if c.Bool("tags") {
// add all refs/tags
output, err := exec.Command("git", "show-ref", "--tags").Output()
if err != nil && err.Error() != "exit status 1" {
// exit status 1 is returned when there are no tags, which should be ok for us
return fmt.Errorf("failed to get local tags: %s", err)
} else {
lines := strings.Split(strings.TrimSpace(string(output)), "\n")
for _, line := range lines {
line = strings.TrimSpace(line)
if line == "" {
continue
}
parts := strings.Fields(line)
if len(parts) != 2 {
continue
}
commitHash := parts[0]
ref := parts[1]
tagName := strings.TrimPrefix(ref, "refs/tags/")
if !c.Bool("force") {
// if --force is not passed then we can't overwrite tags
if existingHash, exists := state.Tags[tagName]; exists && existingHash != commitHash {
return fmt.Errorf("tag %s that is already published pointing to %s, call with --force to overwrite", tagName, existingHash)
}
}
state.Tags[tagName] = commitHash
log("- setting tag %s to commit %s\n", color.CyanString(tagName), color.CyanString(commitHash))
}
}
}
// create and sign the new state event
newStateEvent := state.ToEvent()
err = kr.SignEvent(ctx, &newStateEvent)
@@ -553,6 +597,9 @@ aside from those, there is also:
if c.Bool("force") {
pushArgs = append(pushArgs, "--force")
}
if c.Bool("tags") {
pushArgs = append(pushArgs, "--tags")
}
pushCmd := exec.Command("git", pushArgs...)
pushCmd.Stderr = os.Stderr
pushCmd.Stdout = os.Stdout
@@ -1061,7 +1108,7 @@ func gitUpdateRefs(ctx context.Context, dir string, state nip34.RepositoryState)
lines := strings.Split(string(output), "\n")
for _, line := range lines {
parts := strings.Fields(line)
if len(parts) >= 2 && strings.Contains(parts[1], "refs/remotes/nip34/state/") {
if len(parts) >= 2 && strings.Contains(parts[1], "refs/heads/nip34/state/") {
delCmd := exec.Command("git", "update-ref", "-d", parts[1])
if dir != "" {
delCmd.Dir = dir
@@ -1078,7 +1125,7 @@ func gitUpdateRefs(ctx context.Context, dir string, state nip34.RepositoryState)
branchName = "refs/heads/" + branchName
}
refName := "refs/remotes/nip34/state/" + strings.TrimPrefix(branchName, "refs/heads/")
refName := "refs/heads/nip34/state/" + strings.TrimPrefix(branchName, "refs/heads/")
updateCmd := exec.Command("git", "update-ref", refName, commit)
if dir != "" {
updateCmd.Dir = dir
@@ -1091,7 +1138,7 @@ func gitUpdateRefs(ctx context.Context, dir string, state nip34.RepositoryState)
// create ref for HEAD
if state.HEAD != "" {
if headCommit, ok := state.Branches[state.HEAD]; ok {
headRefName := "refs/remotes/nip34/state/HEAD"
headRefName := "refs/heads/nip34/state/HEAD"
updateCmd := exec.Command("git", "update-ref", headRefName, headCommit)
if dir != "" {
updateCmd.Dir = dir

9
go.mod
View File

@@ -3,8 +3,7 @@ module github.com/fiatjaf/nak
go 1.25
require (
fiatjaf.com/lib v0.3.1
fiatjaf.com/nostr v0.0.0-20251201232830-91548fa0a157
fiatjaf.com/nostr v0.0.0-20251230181913-e52ffa631bd6
github.com/AlecAivazis/survey/v2 v2.3.7
github.com/bep/debounce v1.2.1
github.com/btcsuite/btcd/btcec/v2 v2.3.6
@@ -24,14 +23,18 @@ require (
github.com/puzpuzpuz/xsync/v3 v3.5.1
github.com/stretchr/testify v1.10.0
github.com/urfave/cli/v3 v3.0.0-beta1
github.com/winfsp/cgofuse v1.6.0
golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6
golang.org/x/sync v0.18.0
golang.org/x/term v0.32.0
)
require fiatjaf.com/lib v0.3.2
require (
github.com/FastFilter/xorfilter v0.2.1 // indirect
github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3 // indirect
github.com/PowerDNS/lmdb-go v1.9.3 // indirect
github.com/alecthomas/chroma/v2 v2.14.0 // indirect
github.com/andybalholm/brotli v1.1.1 // indirect
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
@@ -68,7 +71,6 @@ require (
github.com/josharian/intern v1.0.0 // indirect
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
github.com/klauspost/compress v1.18.0 // indirect
github.com/kylelemons/godebug v1.1.0 // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/magefile/mage v1.14.0 // indirect
github.com/mattn/go-colorable v0.1.14 // indirect
@@ -96,7 +98,6 @@ require (
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
github.com/yuin/goldmark v1.7.8 // indirect
github.com/yuin/goldmark-emoji v1.0.5 // indirect
go.etcd.io/bbolt v1.4.2 // indirect
golang.org/x/crypto v0.39.0 // indirect
golang.org/x/net v0.41.0 // indirect
golang.org/x/sys v0.35.0 // indirect

16
go.sum
View File

@@ -1,7 +1,7 @@
fiatjaf.com/lib v0.3.1 h1:/oFQwNtFRfV+ukmOCxfBEAuayoLwXp4wu2/fz5iHpwA=
fiatjaf.com/lib v0.3.1/go.mod h1:Ycqq3+mJ9jAWu7XjbQI1cVr+OFgnHn79dQR5oTII47g=
fiatjaf.com/nostr v0.0.0-20251201232830-91548fa0a157 h1:14yLsO2HwpS2CLIKFvLMDp8tVEDahwdC8OeG6NGaL+M=
fiatjaf.com/nostr v0.0.0-20251201232830-91548fa0a157/go.mod h1:ue7yw0zHfZj23Ml2kVSdBx0ENEaZiuvGxs/8VEN93FU=
fiatjaf.com/lib v0.3.2 h1:RBS41z70d8Rp8e2nemQsbPY1NLLnEGShiY2c+Bom3+Q=
fiatjaf.com/lib v0.3.2/go.mod h1:UlHaZvPHj25PtKLh9GjZkUHRmQ2xZ8Jkoa4VRaLeeQ8=
fiatjaf.com/nostr v0.0.0-20251230181913-e52ffa631bd6 h1:yH+cU9ZNgUdMCRa5eS3pmqTPP/QdZtSmQAIrN/U5nEc=
fiatjaf.com/nostr v0.0.0-20251230181913-e52ffa631bd6/go.mod h1:ue7yw0zHfZj23Ml2kVSdBx0ENEaZiuvGxs/8VEN93FU=
github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ=
github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo=
github.com/FastFilter/xorfilter v0.2.1 h1:lbdeLG9BdpquK64ZsleBS8B4xO/QW1IM0gMzF7KaBKc=
@@ -169,8 +169,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 h1:MtvEpTB6LX3vkb4ax0b5D2DHbNAUsen0Gx5wZoq3lV4=
github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
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/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
@@ -269,6 +269,8 @@ github.com/wasilibs/go-re2 v1.3.0 h1:LFhBNzoStM3wMie6rN2slD1cuYH2CGiHpvNL3UtcsMw
github.com/wasilibs/go-re2 v1.3.0/go.mod h1:AafrCXVvGRJJOImMajgJ2M7rVmWyisVK7sFshbxnVrg=
github.com/wasilibs/nottinygc v0.4.0 h1:h1TJMihMC4neN6Zq+WKpLxgd9xCFMw7O9ETLwY2exJQ=
github.com/wasilibs/nottinygc v0.4.0/go.mod h1:oDcIotskuYNMpqMF23l7Z8uzD4TC0WXHK8jetlB3HIo=
github.com/winfsp/cgofuse v1.6.0 h1:re3W+HTd0hj4fISPBqfsrwyvPFpzqhDu8doJ9nOPDB0=
github.com/winfsp/cgofuse v1.6.0/go.mod h1:uxjoF2jEYT3+x+vC2KJddEGdk/LU8pRowXmyVMHSV5I=
github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
@@ -281,8 +283,6 @@ github.com/yuin/goldmark v1.7.8 h1:iERMLn0/QJeHFhxSt3p6PeN9mGnvIKSpG9YYorDMnic=
github.com/yuin/goldmark v1.7.8/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
github.com/yuin/goldmark-emoji v1.0.5 h1:EMVWyCGPlXJfUXBXpuMu+ii3TIaxbVBnEX9uaDC4cIk=
github.com/yuin/goldmark-emoji v1.0.5/go.mod h1:tTkZEbwu5wkPmgTcitqddVxY9osFZiavD+r4AzQrh1U=
go.etcd.io/bbolt v1.4.2 h1:IrUHp260R8c+zYx/Tm8QZr04CX+qWS5PGfPdevhdm1I=
go.etcd.io/bbolt v1.4.2/go.mod h1:Is8rSHO/b4f3XigBC0lL0+4FwAQv3HXEEIgFMuKHceM=
golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=

View File

@@ -46,8 +46,14 @@ var (
)
func isPiped() bool {
stat, _ := os.Stdin.Stat()
return stat.Mode()&os.ModeCharDevice == 0
stat, err := os.Stdin.Stat()
if err != nil {
panic(err)
}
mode := stat.Mode()
is := mode&os.ModeCharDevice == 0
return is
}
func getJsonsOrBlank() iter.Seq[string] {
@@ -76,7 +82,7 @@ func getJsonsOrBlank() iter.Seq[string] {
return true
})
if !hasStdin && !isPiped() {
if !hasStdin {
yield("{}")
}

13
key.go
View File

@@ -279,12 +279,13 @@ func getSecretKeysFromStdinLinesOrSlice(ctx context.Context, _ *cli.Command, key
continue
}
sk = data.(nostr.SecretKey)
}
sk, err := nostr.SecretKeyFromHex(sec)
if err != nil {
ctx = lineProcessingError(ctx, "invalid hex key: %s", err)
continue
} else {
var err error
sk, err = nostr.SecretKeyFromHex(sec)
if err != nil {
ctx = lineProcessingError(ctx, "invalid hex key: %s", err)
continue
}
}
ch <- sk

43
lmdb.go Normal file
View File

@@ -0,0 +1,43 @@
//go:build linux && !riscv64 && !arm64
package main
import (
"os"
"path/filepath"
"fiatjaf.com/nostr/eventstore/lmdb"
"fiatjaf.com/nostr/eventstore/nullstore"
"fiatjaf.com/nostr/sdk"
"fiatjaf.com/nostr/sdk/hints/lmdbh"
lmdbkv "fiatjaf.com/nostr/sdk/kvstore/lmdb"
"github.com/urfave/cli/v3"
)
func setupLocalDatabases(c *cli.Command, sys *sdk.System) {
configPath := c.String("config-path")
if configPath != "" {
hintsPath := filepath.Join(configPath, "outbox/hints")
os.MkdirAll(hintsPath, 0755)
_, err := lmdbh.NewLMDBHints(hintsPath)
if err != nil {
log("failed to create lmdb hints db at '%s': %s\n", hintsPath, err)
}
eventsPath := filepath.Join(configPath, "events")
os.MkdirAll(eventsPath, 0755)
sys.Store = &lmdb.LMDBBackend{Path: eventsPath}
if err := sys.Store.Init(); err != nil {
log("failed to create boltdb events db at '%s': %s\n", eventsPath, err)
sys.Store = &nullstore.NullStore{}
}
kvPath := filepath.Join(configPath, "kvstore")
os.MkdirAll(kvPath, 0755)
if kv, err := lmdbkv.NewStore(kvPath); err != nil {
log("failed to create boltdb kvstore db at '%s': %s\n", kvPath, err)
} else {
sys.KVStore = kv
}
}
}

15
main.go
View File

@@ -2,7 +2,6 @@ package main
import (
"context"
"fmt"
"net/http"
"net/textproto"
"os"
@@ -26,9 +25,9 @@ var app = &cli.Command{
Usage: "the nostr army knife command-line tool",
DisableSliceFlagSeparator: true,
Commands: []*cli.Command{
event,
eventCmd,
req,
filter,
filterCmd,
fetch,
count,
decode,
@@ -40,10 +39,11 @@ var app = &cli.Command{
bunker,
serve,
blossomCmd,
dekey,
encrypt,
decrypt,
gift,
outbox,
outboxCmd,
wallet,
mcpServer,
curl,
@@ -52,6 +52,7 @@ var app = &cli.Command{
git,
nip,
syncCmd,
spell,
},
Version: version,
Flags: []cli.Flag{
@@ -62,7 +63,7 @@ var app = &cli.Command{
if home, err := os.UserHomeDir(); err == nil {
return filepath.Join(home, ".config/nak")
} else {
return filepath.Join("/dev/null")
return ""
}
})(),
},
@@ -98,9 +99,7 @@ var app = &cli.Command{
Before: func(ctx context.Context, c *cli.Command) (context.Context, error) {
sys = sdk.NewSystem()
if err := initializeOutboxHintsDB(c, sys); err != nil {
return ctx, fmt.Errorf("failed to initialize outbox hints: %w", err)
}
setupLocalDatabases(c, sys)
sys.Pool = nostr.NewPool(nostr.PoolOptions{
AuthorKindQueryMiddleware: sys.TrackQueryAttempts,

11
non_lmdb.go Normal file
View File

@@ -0,0 +1,11 @@
//go:build !linux || riscv64 || arm64
package main
import (
"fiatjaf.com/nostr/sdk"
"github.com/urfave/cli/v3"
)
func setupLocalDatabases(c *cli.Command, sys *sdk.System) {
}

View File

@@ -3,80 +3,21 @@ package main
import (
"context"
"fmt"
"os"
"path/filepath"
"fiatjaf.com/nostr/sdk"
"fiatjaf.com/nostr/sdk/hints/bbolth"
"github.com/fatih/color"
"github.com/urfave/cli/v3"
)
var (
hintsFilePath string
hintsFileExists bool
)
func initializeOutboxHintsDB(c *cli.Command, sys *sdk.System) error {
configPath := c.String("config-path")
if configPath != "" {
hintsFilePath = filepath.Join(configPath, "outbox/hints.db")
}
if hintsFilePath != "" {
if _, err := os.Stat(hintsFilePath); err == nil {
hintsFileExists = true
} else if !os.IsNotExist(err) {
return err
}
}
if hintsFileExists && hintsFilePath != "" {
hintsdb, err := bbolth.NewBoltHints(hintsFilePath)
if err == nil {
sys.Hints = hintsdb
}
}
return nil
}
var outbox = &cli.Command{
var outboxCmd = &cli.Command{
Name: "outbox",
Usage: "manage outbox relay hints database",
DisableSliceFlagSeparator: true,
Commands: []*cli.Command{
{
Name: "init",
Usage: "initialize the outbox hints database",
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
if hintsFileExists {
return nil
}
if hintsFilePath == "" {
return fmt.Errorf("couldn't find a place to store the hints, pass --config-path to fix.")
}
os.MkdirAll(hintsFilePath, 0755)
_, err := bbolth.NewBoltHints(hintsFilePath)
if err != nil {
return fmt.Errorf("failed to create bolt hints db at '%s': %w", hintsFilePath, err)
}
log("initialized hints database at %s\n", hintsFilePath)
return nil
},
},
{
Name: "list",
Usage: "list outbox relays for a given pubkey",
ArgsUsage: "<pubkey>",
DisableSliceFlagSeparator: true,
Action: func(ctx context.Context, c *cli.Command) error {
if !hintsFileExists {
log(color.YellowString("running with temporary fragile data.\n"))
log(color.YellowString("call `nak outbox init` to setup persistence.\n"))
}
if c.Args().Len() != 1 {
return fmt.Errorf("expected exactly one argument (pubkey)")
}

237
req.go
View File

@@ -9,6 +9,7 @@ import (
"slices"
"strings"
"sync"
"time"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/eventstore"
@@ -77,11 +78,6 @@ example:
Name: "paginate-interval",
Usage: "time between queries when using --paginate",
},
&cli.UintFlag{
Name: "paginate-global-limit",
Usage: "global limit at which --paginate should stop",
DefaultText: "uses the value given by --limit/-l or infinite",
},
&cli.BoolFlag{
Name: "bare",
Usage: "when printing the filter, print just the filter, not enveloped in a [\"REQ\", ...] array",
@@ -96,6 +92,10 @@ example:
Usage: "after connecting, for a nip42 \"AUTH\" message to be received, act on it and only then send the \"REQ\"",
Category: CATEGORY_SIGNER,
},
&cli.BoolFlag{
Name: "spell",
Usage: "output a spell event (kind 777) instead of a filter",
},
)...,
),
ArgsUsage: "[relay...]",
@@ -115,7 +115,16 @@ example:
return fmt.Errorf("incompatible flags --paginate and --outbox")
}
if c.Bool("bare") && c.Bool("spell") {
return fmt.Errorf("incompatible flags --bare and --spell")
}
relayUrls := c.Args().Slice()
if len(relayUrls) > 0 && (c.Bool("bare") || c.Bool("spell")) {
return fmt.Errorf("relay URLs are incompatible with --bare or --spell")
}
if len(relayUrls) > 0 && !negentropy {
// this is used both for the normal AUTH (after "auth-required:" is received) or forced pre-auth
// connect to all relays we expect to use in this call in parallel
@@ -226,100 +235,29 @@ example:
}
}
} else {
var results chan nostr.RelayEvent
opts := nostr.SubscriptionOptions{
Label: "nak-req",
}
if c.Bool("paginate") {
paginator := sys.Pool.PaginatorWithInterval(c.Duration("paginate-interval"))
results = paginator(ctx, relayUrls, filter, opts)
} else if c.Bool("outbox") {
defs := make([]nostr.DirectedFilter, 0, len(filter.Authors)*2)
// hardcoded relays, if any
for _, relayUrl := range relayUrls {
defs = append(defs, nostr.DirectedFilter{
Filter: filter,
Relay: relayUrl,
})
}
// relays for each pubkey
errg := errgroup.Group{}
errg.SetLimit(16)
mu := sync.Mutex{}
for _, pubkey := range filter.Authors {
errg.Go(func() error {
n := int(c.Uint("outbox-relays-per-pubkey"))
for _, url := range sys.FetchOutboxRelays(ctx, pubkey, n) {
if slices.Contains(relayUrls, url) {
// already hardcoded, ignore
continue
}
if !nostr.IsValidRelayURL(url) {
continue
}
matchUrl := func(def nostr.DirectedFilter) bool { return def.Relay == url }
idx := slices.IndexFunc(defs, matchUrl)
if idx == -1 {
// new relay, add it
mu.Lock()
// check again after locking to prevent races
idx = slices.IndexFunc(defs, matchUrl)
if idx == -1 {
// then add it
filter := filter.Clone()
filter.Authors = []nostr.PubKey{pubkey}
defs = append(defs, nostr.DirectedFilter{
Filter: filter,
Relay: url,
})
mu.Unlock()
continue // done with this relay url
}
// otherwise we'll just use the idx
mu.Unlock()
}
// existing relay, add this pubkey
defs[idx].Authors = append(defs[idx].Authors, pubkey)
}
return nil
})
}
errg.Wait()
if c.Bool("stream") {
results = sys.Pool.BatchedSubscribeMany(ctx, defs, opts)
} else {
results = sys.Pool.BatchedQueryMany(ctx, defs, opts)
}
} else {
if c.Bool("stream") {
results = sys.Pool.SubscribeMany(ctx, relayUrls, filter, opts)
} else {
results = sys.Pool.FetchMany(ctx, relayUrls, filter, opts)
}
}
for ie := range results {
stdout(ie.Event)
}
performReq(ctx, filter, relayUrls, c.Bool("stream"), c.Bool("outbox"), c.Uint("outbox-relays-per-pubkey"), c.Bool("paginate"), c.Duration("paginate-interval"), "nak-req")
}
} else {
// no relays given, will just print the filter
// no relays given, will just print the filter or spell
var result string
if c.Bool("bare") {
if c.Bool("spell") {
// output a spell event instead of a filter
kr, _, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return err
}
spellEvent := createSpellEvent(ctx, filter, kr)
j, _ := json.Marshal(spellEvent)
result = string(j)
} else if c.Bool("bare") {
// bare filter output
result = filter.String()
} else {
// normal filter
j, _ := json.Marshal(nostr.ReqEnvelope{SubscriptionID: "nak", Filters: []nostr.Filter{filter}})
result = string(j)
}
}
stdout(result)
}
}
@@ -329,6 +267,123 @@ example:
},
}
func performReq(
ctx context.Context,
filter nostr.Filter,
relayUrls []string,
stream bool,
outbox bool,
outboxRelaysPerPubKey uint64,
paginate bool,
paginateInterval time.Duration,
label string,
) {
var results chan nostr.RelayEvent
var closeds chan nostr.RelayClosed
opts := nostr.SubscriptionOptions{
Label: label,
}
if paginate {
paginator := sys.Pool.PaginatorWithInterval(paginateInterval)
results = paginator(ctx, relayUrls, filter, opts)
} else if outbox {
defs := make([]nostr.DirectedFilter, 0, len(filter.Authors)*2)
for _, relayUrl := range relayUrls {
defs = append(defs, nostr.DirectedFilter{
Filter: filter,
Relay: relayUrl,
})
}
// relays for each pubkey
errg := errgroup.Group{}
errg.SetLimit(16)
mu := sync.Mutex{}
logverbose("gathering outbox relays for %d authors...\n", len(filter.Authors))
for _, pubkey := range filter.Authors {
errg.Go(func() error {
n := int(outboxRelaysPerPubKey)
for _, url := range sys.FetchOutboxRelays(ctx, pubkey, n) {
if slices.Contains(relayUrls, url) {
// already specified globally, ignore
continue
}
if !nostr.IsValidRelayURL(url) {
continue
}
matchUrl := func(def nostr.DirectedFilter) bool { return def.Relay == url }
idx := slices.IndexFunc(defs, matchUrl)
if idx == -1 {
// new relay, add it
mu.Lock()
// check again after locking to prevent races
idx = slices.IndexFunc(defs, matchUrl)
if idx == -1 {
// then add it
filter := filter.Clone()
filter.Authors = []nostr.PubKey{pubkey}
defs = append(defs, nostr.DirectedFilter{
Filter: filter,
Relay: url,
})
mu.Unlock()
continue // done with this relay url
}
// otherwise we'll just use the idx
mu.Unlock()
}
// existing relay, add this pubkey
defs[idx].Authors = append(defs[idx].Authors, pubkey)
}
return nil
})
}
errg.Wait()
if stream {
logverbose("running subscription with %d directed filters...\n", len(defs))
results, closeds = sys.Pool.BatchedSubscribeManyNotifyClosed(ctx, defs, opts)
} else {
logverbose("running query with %d directed filters...\n", len(defs))
results, closeds = sys.Pool.BatchedQueryManyNotifyClosed(ctx, defs, opts)
}
} else {
if stream {
logverbose("running subscription to %d relays...\n", len(relayUrls))
results, closeds = sys.Pool.SubscribeManyNotifyClosed(ctx, relayUrls, filter, opts)
} else {
logverbose("running query to %d relays...\n", len(relayUrls))
results, closeds = sys.Pool.FetchManyNotifyClosed(ctx, relayUrls, filter, opts)
}
}
readevents:
for {
select {
case ie, ok := <-results:
if !ok {
break readevents
}
stdout(ie.Event)
case closed := <-closeds:
if closed.HandledAuth {
logverbose("%s CLOSED: %s\n", closed.Relay.URL, closed.Reason)
} else {
log("%s CLOSED: %s\n", closed.Relay.URL, closed.Reason)
}
case <-ctx.Done():
break readevents
}
}
}
var reqFilterFlags = []cli.Flag{
&PubKeySliceFlag{
Name: "author",

View File

@@ -51,6 +51,12 @@ var serve = &cli.Command{
Name: "grasp",
Usage: "enable grasp server",
},
&cli.StringFlag{
Name: "grasp-path",
Usage: "where to store the repositories",
TakesFile: true,
Hidden: true,
},
&cli.BoolFlag{
Name: "blossom",
Usage: "enable blossom server",
@@ -135,10 +141,13 @@ var serve = &cli.Command{
}
if c.Bool("grasp") {
var err error
repoDir, err = os.MkdirTemp("", "nak-serve-grasp-repos-")
if err != nil {
return fmt.Errorf("failed to create grasp repos directory: %w", err)
repoDir = c.String("grasp-path")
if repoDir == "" {
var err error
repoDir, err = os.MkdirTemp("", "nak-serve-grasp-repos-")
if err != nil {
return fmt.Errorf("failed to create grasp repos directory: %w", err)
}
}
g := grasp.New(rl, repoDir)
g.OnRead = func(ctx context.Context, pubkey nostr.PubKey, repo string) (reject bool, reason string) {

547
spell.go Normal file
View File

@@ -0,0 +1,547 @@
package main
import (
"bufio"
"context"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"fiatjaf.com/nostr"
"fiatjaf.com/nostr/nip19"
"fiatjaf.com/nostr/sdk/hints"
"github.com/fatih/color"
"github.com/markusmobius/go-dateparser"
"github.com/urfave/cli/v3"
)
var spell = &cli.Command{
Name: "spell",
Usage: "downloads a spell event and executes its REQ request",
ArgsUsage: "[nevent_code]",
Description: `fetches a spell event (kind 777) and executes REQ command encoded in its tags.`,
Flags: append(defaultKeyFlags,
&cli.StringFlag{
Name: "pub",
Usage: "public key to run spells in the context of (if you don't want to pass a --sec)",
},
&cli.UintFlag{
Name: "outbox-relays-per-pubkey",
Aliases: []string{"n"},
Usage: "number of outbox relays to use for each pubkey",
Value: 3,
},
),
Action: func(ctx context.Context, c *cli.Command) error {
configPath := c.String("config-path")
os.MkdirAll(filepath.Join(configPath, "spells"), 0755)
// load history from file
var history []SpellHistoryEntry
historyPath := filepath.Join(configPath, "spells/history")
file, err := os.Open(historyPath)
if err == nil {
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
var entry SpellHistoryEntry
if err := json.Unmarshal([]byte(scanner.Text()), &entry); err != nil {
continue // skip invalid entries
}
history = append(history, entry)
}
}
if c.Args().Len() == 0 {
// check if we have input from stdin
for stdinEvent := range getJsonsOrBlank() {
if stdinEvent == "{}" {
break
}
var spell nostr.Event
if err := json.Unmarshal([]byte(stdinEvent), &spell); err != nil {
return fmt.Errorf("failed to parse spell event from stdin: %w", err)
}
if spell.Kind != 777 {
return fmt.Errorf("event is not a spell (expected kind 777, got %d)", spell.Kind)
}
return runSpell(ctx, c, historyPath, history, nostr.EventPointer{ID: spell.ID}, spell)
}
// no stdin input, show recent spells
log("recent spells:\n")
for i, entry := range history {
if i >= 10 {
break
}
displayName := entry.Name
if displayName == "" {
displayName = entry.Content
if len(displayName) > 28 {
displayName = displayName[:27] + "…"
}
}
if displayName != "" {
displayName = color.HiMagentaString(displayName) + ": "
}
desc := entry.Content
if len(desc) > 50 {
desc = desc[0:49] + "…"
}
lastUsed := entry.LastUsed.Format("2006-01-02 15:04")
stdout(fmt.Sprintf(" %s %s%s - %s",
color.BlueString(entry.Identifier),
displayName,
color.YellowString(lastUsed),
desc,
))
}
return nil
}
// decode nevent to get the spell event
var pointer nostr.EventPointer
identifier := c.Args().First()
prefix, value, err := nip19.Decode(identifier)
if err == nil {
if prefix != "nevent" {
return fmt.Errorf("expected nevent code, got %s", prefix)
}
pointer = value.(nostr.EventPointer)
} else {
// search our history
for _, entry := range history {
if entry.Identifier == identifier || entry.Name == identifier {
pointer = entry.Pointer
break
}
}
}
if pointer.ID == nostr.ZeroID {
return fmt.Errorf("invalid spell reference")
}
// first try to fetch spell from sys.Store
var spell nostr.Event
found := false
for evt := range sys.Store.QueryEvents(nostr.Filter{IDs: []nostr.ID{pointer.ID}}, 1) {
spell = evt
found = true
break
}
var relays []string
if !found {
// if not found in store, fetch from external relays
relays = pointer.Relays
if pointer.Author != nostr.ZeroPK {
for _, url := range relays {
sys.Hints.Save(pointer.Author, nostr.NormalizeURL(url), hints.LastInHint, nostr.Now())
}
relays = append(relays, sys.FetchOutboxRelays(ctx, pointer.Author, 3)...)
}
result := sys.Pool.QuerySingle(ctx, relays, nostr.Filter{IDs: []nostr.ID{pointer.ID}},
nostr.SubscriptionOptions{Label: "nak-spell-f"})
if result == nil {
return fmt.Errorf("spell event not found")
}
spell = result.Event
}
if spell.Kind != 777 {
return fmt.Errorf("event is not a spell (expected kind 777, got %d)", spell.Kind)
}
return runSpell(ctx, c, historyPath, history, pointer, spell)
},
}
func runSpell(
ctx context.Context,
c *cli.Command,
historyPath string,
history []SpellHistoryEntry,
pointer nostr.EventPointer,
spell nostr.Event,
) error {
// parse spell tags to build REQ filter
spellFilter, err := buildSpellReq(ctx, c, spell.Tags)
if err != nil {
return fmt.Errorf("failed to parse spell tags: %w", err)
}
// determine relays to query
var spellRelays []string
var outbox bool
relaysTag := spell.Tags.Find("relays")
if relaysTag == nil {
// if this tag doesn't exist assume $outbox
relaysTag = nostr.Tag{"relays", "$outbox"}
}
for i := 1; i < len(relaysTag); i++ {
switch relaysTag[i] {
case "$outbox":
outbox = true
default:
spellRelays = append(spellRelays, relaysTag[i])
}
}
stream := !spell.Tags.Has("close-on-eose")
// fill in the author if we didn't have it
pointer.Author = spell.PubKey
// save spell to sys.Store
if err := sys.Store.SaveEvent(spell); err != nil {
logverbose("failed to save spell to store: %v\n", err)
}
// add to history before execution
{
idStr := nip19.EncodeNevent(spell.ID, nil, nostr.ZeroPK)
identifier := "spell" + idStr[len(idStr)-7:]
nameTag := spell.Tags.Find("name")
var name string
if nameTag != nil {
name = nameTag[1]
}
if len(history) > 100 {
history = history[:100]
}
// write back to file
file, err := os.Create(historyPath)
if err != nil {
return err
}
data, _ := json.Marshal(SpellHistoryEntry{
Identifier: identifier,
Name: name,
Content: spell.Content,
LastUsed: time.Now(),
Pointer: pointer,
})
file.Write(data)
file.Write([]byte{'\n'})
for i, entry := range history {
if entry.Identifier == identifier {
continue
}
data, _ := json.Marshal(entry)
file.Write(data)
file.Write([]byte{'\n'})
// limit history size (keep last 100)
if i == 100 {
break
}
}
file.Close()
logverbose("executing %s: %s relays=%v outbox=%v stream=%v\n",
identifier, spellFilter, spellRelays, outbox, stream)
}
// execute
logSpellDetails(spell)
performReq(ctx, spellFilter, spellRelays, stream, outbox, c.Uint("outbox-relays-per-pubkey"), false, 0, "nak-spell")
return nil
}
func buildSpellReq(ctx context.Context, c *cli.Command, tags nostr.Tags) (nostr.Filter, error) {
filter := nostr.Filter{}
getMe := func() (nostr.PubKey, error) {
if !c.IsSet("sec") && !c.IsSet("prompt-sec") && c.IsSet("pub") {
return parsePubKey(c.String("pub"))
}
kr, _, err := gatherKeyerFromArguments(ctx, c)
if err != nil {
return nostr.ZeroPK, fmt.Errorf("failed to get keyer: %w", err)
}
pubkey, err := kr.GetPublicKey(ctx)
if err != nil {
return nostr.ZeroPK, fmt.Errorf("failed to get public key from keyer: %w", err)
}
return pubkey, nil
}
for _, tag := range tags {
if len(tag) == 0 {
continue
}
switch tag[0] {
case "cmd":
if len(tag) < 2 || tag[1] != "REQ" {
return nostr.Filter{}, fmt.Errorf("only REQ commands are supported")
}
case "k":
for i := 1; i < len(tag); i++ {
if kind, err := strconv.Atoi(tag[i]); err == nil {
filter.Kinds = append(filter.Kinds, nostr.Kind(kind))
}
}
case "authors":
for i := 1; i < len(tag); i++ {
switch tag[i] {
case "$me":
me, err := getMe()
if err != nil {
return nostr.Filter{}, err
}
filter.Authors = append(filter.Authors, me)
case "$contacts":
me, err := getMe()
if err != nil {
return nostr.Filter{}, err
}
for _, f := range sys.FetchFollowList(ctx, me).Items {
filter.Authors = append(filter.Authors, f.Pubkey)
}
default:
pubkey, err := nostr.PubKeyFromHex(tag[i])
if err != nil {
return nostr.Filter{}, fmt.Errorf("invalid pubkey '%s' in 'authors': %w", tag[i], err)
}
filter.Authors = append(filter.Authors, pubkey)
}
}
case "ids":
for i := 1; i < len(tag); i++ {
id, err := nostr.IDFromHex(tag[i])
if err != nil {
return nostr.Filter{}, fmt.Errorf("invalid id '%s' in 'authors': %w", tag[i], err)
}
filter.IDs = append(filter.IDs, id)
}
case "tag":
if len(tag) < 3 {
continue
}
tagName := tag[1]
if filter.Tags == nil {
filter.Tags = make(nostr.TagMap)
}
for i := 2; i < len(tag); i++ {
switch tag[i] {
case "$me":
me, err := getMe()
if err != nil {
return nostr.Filter{}, err
}
filter.Tags[tagName] = append(filter.Tags[tagName], me.Hex())
case "$contacts":
me, err := getMe()
if err != nil {
return nostr.Filter{}, err
}
for _, f := range sys.FetchFollowList(ctx, me).Items {
filter.Tags[tagName] = append(filter.Tags[tagName], f.Pubkey.Hex())
}
default:
filter.Tags[tagName] = append(filter.Tags[tagName], tag[i])
}
}
case "limit":
if len(tag) >= 2 {
if limit, err := strconv.Atoi(tag[1]); err == nil {
filter.Limit = limit
}
}
case "since":
if len(tag) >= 2 {
date, err := dateparser.Parse(&dateparser.Configuration{
DefaultTimezone: time.Local,
CurrentTime: time.Now(),
}, tag[1])
if err != nil {
return nostr.Filter{}, fmt.Errorf("invalid date %s: %w", tag[1], err)
}
filter.Since = nostr.Timestamp(date.Time.Unix())
}
case "until":
if len(tag) >= 2 {
date, err := dateparser.Parse(&dateparser.Configuration{
DefaultTimezone: time.Local,
CurrentTime: time.Now(),
}, tag[1])
if err != nil {
return nostr.Filter{}, fmt.Errorf("invalid date %s: %w", tag[1], err)
}
filter.Until = nostr.Timestamp(date.Time.Unix())
}
case "search":
if len(tag) >= 2 {
filter.Search = tag[1]
}
}
}
return filter, nil
}
func parseRelativeTime(timeStr string) (nostr.Timestamp, error) {
// Handle special cases
switch timeStr {
case "now":
return nostr.Now(), nil
}
// Try to parse as relative time (e.g., "7d", "1h", "30m")
if strings.HasSuffix(timeStr, "d") {
days := strings.TrimSuffix(timeStr, "d")
if daysInt, err := strconv.Atoi(days); err == nil {
return nostr.Now() - nostr.Timestamp(daysInt*24*60*60), nil
}
} else if strings.HasSuffix(timeStr, "h") {
hours := strings.TrimSuffix(timeStr, "h")
if hoursInt, err := strconv.Atoi(hours); err == nil {
return nostr.Now() - nostr.Timestamp(hoursInt*60*60), nil
}
} else if strings.HasSuffix(timeStr, "m") {
minutes := strings.TrimSuffix(timeStr, "m")
if minutesInt, err := strconv.Atoi(minutes); err == nil {
return nostr.Now() - nostr.Timestamp(minutesInt*60), nil
}
}
// try to parse as direct timestamp
if ts, err := strconv.ParseInt(timeStr, 10, 64); err == nil {
return nostr.Timestamp(ts), nil
}
return 0, fmt.Errorf("invalid time format: %s", timeStr)
}
type SpellHistoryEntry struct {
Identifier string `json:"_id"`
Name string `json:"name,omitempty"`
Content string `json:"content,omitempty"`
LastUsed time.Time `json:"last_used"`
Pointer nostr.EventPointer `json:"pointer"`
}
func logSpellDetails(spell nostr.Event) {
nameTag := spell.Tags.Find("name")
name := ""
if nameTag != nil {
name = nameTag[1]
if len(name) > 28 {
name = name[:27] + "…"
}
}
if name != "" {
name = ": " + color.HiMagentaString(name)
}
desc := spell.Content
if len(desc) > 50 {
desc = desc[0:49] + "…"
}
idStr := nip19.EncodeNevent(spell.ID, nil, nostr.ZeroPK)
identifier := "spell" + idStr[len(idStr)-7:]
log("running %s%s - %s\n",
color.BlueString(identifier),
name,
desc,
)
}
func createSpellEvent(ctx context.Context, filter nostr.Filter, kr nostr.Keyer) nostr.Event {
spell := nostr.Event{
Kind: 777,
Tags: make(nostr.Tags, 0),
}
// add cmd tag
spell.Tags = append(spell.Tags, nostr.Tag{"cmd", "REQ"})
// add kinds
if len(filter.Kinds) > 0 {
kindTag := nostr.Tag{"k"}
for _, kind := range filter.Kinds {
kindTag = append(kindTag, strconv.Itoa(int(kind)))
}
spell.Tags = append(spell.Tags, kindTag)
}
// add authors
if len(filter.Authors) > 0 {
authorsTag := nostr.Tag{"authors"}
for _, author := range filter.Authors {
authorsTag = append(authorsTag, author.Hex())
}
spell.Tags = append(spell.Tags, authorsTag)
}
// add ids
if len(filter.IDs) > 0 {
idsTag := nostr.Tag{"ids"}
for _, id := range filter.IDs {
idsTag = append(idsTag, id.Hex())
}
spell.Tags = append(spell.Tags, idsTag)
}
// add tags
for tagName, values := range filter.Tags {
if len(values) > 0 {
tag := nostr.Tag{"tag", tagName}
for _, value := range values {
tag = append(tag, value)
}
spell.Tags = append(spell.Tags, tag)
}
}
// add limit
if filter.Limit > 0 {
spell.Tags = append(spell.Tags, nostr.Tag{"limit", strconv.Itoa(filter.Limit)})
}
// add since
if filter.Since > 0 {
spell.Tags = append(spell.Tags, nostr.Tag{"since", strconv.FormatInt(int64(filter.Since), 10)})
}
// add until
if filter.Until > 0 {
spell.Tags = append(spell.Tags, nostr.Tag{"until", strconv.FormatInt(int64(filter.Until), 10)})
}
// add search
if filter.Search != "" {
spell.Tags = append(spell.Tags, nostr.Tag{"search", filter.Search})
}
if err := kr.SignEvent(ctx, &spell); err != nil {
log("failed to sign spell: %s\n", err)
}
return spell
}