c6bd1ee446
fixes nostr:nevent1qvzqqqqx25pzq2f38nys0gq4hs5k4l4s426689psdk7d52kzjk9s0ypne2nt7927qy88wumn8ghj7mn0wvhxcmmv9uq32amnwvaz7tmjv4kxz7fwv3sk6atn9e5k7tcqyphrdv7jerr3f5mtlpcl7j7dg26ecxj9vrd5pyf0jknkqmp5qyyj28gxd3q
104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
package khatru
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"fiatjaf.com/nostr"
|
|
"golang.org/x/sync/errgroup"
|
|
)
|
|
|
|
var (
|
|
ErrNothingToDelete = errors.New("blocked: nothing to delete")
|
|
ErrNotAuthor = errors.New("blocked: you are not the author of this event")
|
|
)
|
|
|
|
// event deletion -- nip09
|
|
func (rl *Relay) handleDeleteRequest(ctx context.Context, evt nostr.Event) error {
|
|
if nil == rl.QueryStored || nil == rl.DeleteEvent {
|
|
// if we don't have a way to query or to delete that means we won't delete anything
|
|
return ErrNothingToDelete
|
|
}
|
|
|
|
haveDeletedSomething := false
|
|
for _, tag := range evt.Tags {
|
|
if len(tag) >= 2 {
|
|
var f nostr.Filter
|
|
|
|
switch tag[0] {
|
|
case "e":
|
|
id, err := nostr.IDFromHex(tag[1])
|
|
if err != nil {
|
|
return fmt.Errorf("invalid 'e' tag '%s': %w", tag[1], err)
|
|
}
|
|
f = nostr.Filter{IDs: []nostr.ID{id}}
|
|
case "a":
|
|
spl := strings.SplitN(tag[1], ":", 3)
|
|
if len(spl) != 3 {
|
|
continue
|
|
}
|
|
kind, err := strconv.Atoi(spl[0])
|
|
if err != nil {
|
|
continue
|
|
}
|
|
author, err := nostr.PubKeyFromHex(spl[1])
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
identifier := spl[2]
|
|
f = nostr.Filter{
|
|
Kinds: []nostr.Kind{nostr.Kind(kind)},
|
|
Authors: []nostr.PubKey{author},
|
|
Tags: nostr.TagMap{"d": []string{identifier}},
|
|
Until: evt.CreatedAt,
|
|
}
|
|
default:
|
|
continue
|
|
}
|
|
|
|
ctx := context.WithValue(ctx, internalCallKey, struct{}{})
|
|
|
|
errg, ctx := errgroup.WithContext(ctx)
|
|
for target := range rl.QueryStored(ctx, f) {
|
|
// got the event, now check if the user can delete it
|
|
if target.PubKey == evt.PubKey {
|
|
// delete it
|
|
errg.Go(func() error {
|
|
if err := rl.DeleteEvent(ctx, target.ID); err != nil {
|
|
return err
|
|
}
|
|
|
|
// if it was tracked to be expired that is not needed anymore
|
|
if rl.expirationManager != nil {
|
|
rl.expirationManager.removeEvent(target.ID)
|
|
}
|
|
|
|
haveDeletedSomething = true
|
|
return nil
|
|
})
|
|
} else {
|
|
// fail and stop here
|
|
return ErrNotAuthor
|
|
}
|
|
|
|
// don't try to query this same event again
|
|
break
|
|
}
|
|
|
|
if err := errg.Wait(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
if haveDeletedSomething {
|
|
return nil
|
|
}
|
|
|
|
return ErrNothingToDelete
|
|
}
|