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package examples_test
import (
"context"
"fmt"
"time"
"github.com/lestrrat-go/jwx/v2/jwk"
"github.com/lestrrat-go/jwx/v2/jws"
)
func Example_jwk_cached_set() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
const googleCerts = `https://www.googleapis.com/oauth2/v3/certs`
// The first steps are the same as examples/jwk_cache_example_test.go
c := jwk.NewCache(ctx)
c.Register(googleCerts, jwk.WithMinRefreshInterval(15*time.Minute))
_, err := c.Refresh(ctx, googleCerts)
if err != nil {
fmt.Printf("failed to refresh google JWKS: %s\n", err)
return
}
cached := jwk.NewCachedSet(c, googleCerts)
// cached fulfills the jwk.Set interface.
var _ jwk.Set = cached
// That means you can pass it to things like jws.WithKeySet,
// allowing you to pretend as if you are using the result of
//
// jwk.Fetch(ctx, googleCerts)
//
// But you are instead using a cached (and periodically refreshed) set
// for each operation.
_ = jws.WithKeySet(cached)
}
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