go-tools/cmd/ev/app.webfinger.go

53 lines
1.1 KiB
Go

package main
import (
"context"
"fmt"
"strings"
"time"
"github.com/patrickmn/go-cache"
"go.sour.is/ev"
"go.sour.is/tools/app/webfinger"
"go.sour.is/pkg/env"
"go.sour.is/pkg/lg"
"go.sour.is/pkg/service"
"go.sour.is/pkg/slice"
)
var (
defaultExpire = 3 * time.Minute
cleanupInterval = 10 * time.Minute
)
var _ = apps.Register(50, func(ctx context.Context, svc *service.Harness) error {
ctx, span := lg.Span(ctx)
defer span.End()
span.AddEvent("Enable WebFinger")
eventstore, ok := slice.Find[*ev.EventStore](svc.Services...)
if !ok {
return fmt.Errorf("*es.EventStore not found in services")
}
cache := cache.New(defaultExpire, cleanupInterval)
var withCache webfinger.WithCache = (func(s string) bool {
if _, ok := cache.Get(s); ok {
return true
}
cache.SetDefault(s, true)
return false
})
var withHostnames webfinger.WithHostnames = strings.Fields(env.Default("WEBFINGER_DOMAINS", "sour.is"))
wf, err := webfinger.New(ctx, eventstore, withCache, withHostnames)
if err != nil {
span.RecordError(err)
return err
}
svc.Add(wf)
return nil
})