feat: Define redirect uris with env variables (#644)

Co-authored-by: Andrey Rusakov <andrey.rusakov@camptocamp.com>

example/server/exampleop/op.go

@@ -12,22 +12,13 @@ import (
 	"github.com/zitadel/logging"
 	"golang.org/x/text/language"
 
-	"github.com/zitadel/oidc/v3/example/server/storage"
 	"github.com/zitadel/oidc/v3/pkg/op"
 )
 
 const (
 	pathLoggedOut = "/logged-out"
 )
 
-func init() {
-	storage.RegisterClients(
-		storage.NativeClient("native"),
-		storage.WebClient("web", "secret"),
-		storage.WebClient("api", "secret"),
-	)
-}
-
 type Storage interface {
 	op.Storage
 	authenticate

example/server/main.go

@@ -5,6 +5,7 @@ import (
 	"log/slog"
 	"net/http"
 	"os"
+	"strings"
 
 	"github.com/zitadel/oidc/v3/example/server/exampleop"
 	"github.com/zitadel/oidc/v3/example/server/storage"
@@ -16,6 +17,12 @@ func main() {
 	//which gives us the issuer: http://localhost:9998/
 	issuer := fmt.Sprintf("http://localhost:%s/", port)
 
+	storage.RegisterClients(
+		storage.NativeClient("native", strings.Split(os.Getenv("REDIRECT_URI"), ",")...),
+		storage.WebClient("web", "secret"),
+		storage.WebClient("api", "secret"),
+	)
+
 	// the OpenIDProvider interface needs a Storage interface handling various checks and state manipulations
 	// this might be the layer for accessing your database
 	// in this example it will be handled in-memory