Fix hydra registration

Makefile

@@ -151,12 +151,12 @@ sdk: .bin/swagger .bin/ory node_modules
 quickstart:
 	docker pull oryd/kratos:latest
 	docker pull oryd/kratos-selfservice-ui-node:latest
-	docker-compose -f quickstart.yml -f quickstart-standalone.yml up --build --force-recreate
+	docker compose -f quickstart.yml -f quickstart-standalone.yml up --build --force-recreate
 
 .PHONY: quickstart-dev
 quickstart-dev:
 	docker build -f .docker/Dockerfile-build -t oryd/kratos:latest .
-	docker-compose -f quickstart.yml -f quickstart-standalone.yml -f quickstart-latest.yml $(QUICKSTART_OPTIONS) up --build --force-recreate
+	docker compose -f quickstart.yml -f quickstart-standalone.yml -f quickstart-latest.yml up --build --force-recreate
 
 authors:  # updates the AUTHORS file
 	curl https://raw.githubusercontent.com/ory/ci/master/authors/authors.sh | env PRODUCT="Ory Kratos" bash

selfservice/flow/registration/hook.go

@@ -292,28 +292,8 @@ func (e *HookExecutor) PostRegistrationHook(w http.ResponseWriter, r *http.Reque
 	}
 
 	finalReturnTo := returnTo.String()
-	if registrationFlow.OAuth2LoginChallenge != "" {
-		if registrationFlow.ReturnToVerification != "" {
-			// Special case: If Kratos is used as a login UI *and* we want to show the verification UI,
-			// redirect to the verification URL first and then return to Hydra.
-			finalReturnTo = registrationFlow.ReturnToVerification
-		} else {
-			callbackURL, err := e.d.Hydra().AcceptLoginRequest(r.Context(),
-				hydra.AcceptLoginRequestParams{
-					LoginChallenge:        string(registrationFlow.OAuth2LoginChallenge),
-					IdentityID:            i.ID.String(),
-					SessionID:             s.ID.String(),
-					AuthenticationMethods: s.AMR,
-				})
-			if err != nil {
-				return err
-			}
-			finalReturnTo = callbackURL
-		}
-		span.SetAttributes(attribute.String("redirect_reason", "oauth2 login challenge"))
-	} else if registrationFlow.ReturnToVerification != "" {
+	if registrationFlow.ReturnToVerification != "" {
 		finalReturnTo = registrationFlow.ReturnToVerification
-		span.SetAttributes(attribute.String("redirect_reason", "verification requested"))
 	}
 	span.SetAttributes(attribute.String("return_to", finalReturnTo))