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package main
import (
"encoding/json"
"errors"
"flag"
"fmt"
"io"
"os"
"time"
"git.virebent.art/virebent/yamnweb/katzenpost/dispatcher"
"github.com/katzenpost/hpqc/hash"
clientconfig "github.com/katzenpost/katzenpost/client/config"
"github.com/katzenpost/katzenpost/client/thin"
)
const capability = "yamn-dispatch-v1"
func run() error {
var configPath string
var settle time.Duration
flag.StringVar(&configPath, "config", "thinclient.toml", "thin-client configuration")
flag.DurationVar(&settle, "settle", 2*time.Second, "time allowed for kpclientd to queue frames")
flag.Parse()
input, err := io.ReadAll(io.LimitReader(os.Stdin, dispatcher.MaxEnvelopeBytes*2))
if err != nil {
return fmt.Errorf("read envelope: %w", err)
}
var envelope dispatcher.Envelope
if err := json.Unmarshal(input, &envelope); err != nil {
return errors.New("invalid envelope input")
}
encoded, err := dispatcher.EncodeEnvelope(envelope)
if err != nil {
return err
}
frames, err := dispatcher.SplitEnvelope(encoded)
if err != nil {
return err
}
config, err := thin.LoadFile(configPath)
if err != nil {
return fmt.Errorf("load thin-client config: %w", err)
}
client := thin.NewThinClient(config, &clientconfig.Logging{Level: "ERROR", Disable: true})
defer client.Close()
if err := client.Dial(); err != nil {
return fmt.Errorf("connect to kpclientd: %w", err)
}
service, err := client.GetService(capability)
if err != nil {
return fmt.Errorf("find dispatcher service: %w", err)
}
destination := hash.Sum256(service.MixDescriptor.IdentityKey)
for _, frame := range frames {
if err := client.SendMessageWithoutReply(frame, &destination, service.RecipientQueueID); err != nil {
return fmt.Errorf("send frame: %w", err)
}
}
time.Sleep(settle)
fmt.Fprintln(os.Stdout, "accepted")
return nil
}
func main() {
if err := run(); err != nil {
fmt.Fprintf(os.Stderr, "submission failed: %v\n", err)
os.Exit(1)
}
}
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