snapshot of https://github.com/ory/kratos.git (master, 2026-09-15; blobs > 131072B omitted)

selfservice/flow/login/strategy.go

@@ -0,0 +1,64 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package login
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/pkg/errors"
+
+	"github.com/ory/kratos/identity"
+	"github.com/ory/kratos/selfservice/flow"
+	"github.com/ory/kratos/session"
+	"github.com/ory/kratos/ui/node"
+	"github.com/ory/x/sqlxx"
+)
+
+type Strategy interface {
+	ID() identity.CredentialsType
+	NodeGroup() node.UiNodeGroup
+	Login(w http.ResponseWriter, r *http.Request, f *Flow, sess *session.Session) (i *identity.Identity, err error)
+	CompletedAuthenticationMethod(ctx context.Context) session.AuthenticationMethod
+}
+
+type Strategies []Strategy
+
+type LinkableStrategy interface {
+	Link(ctx context.Context, i *identity.Identity, credentials sqlxx.JSONRawMessage) error
+	CompletedLogin(sess *session.Session, data *flow.DuplicateCredentialsData) error
+	SetDuplicateCredentials(f flow.InternalContexter, duplicateIdentifier string, credentials identity.Credentials, provider string) error
+}
+
+type FastLoginStrategy interface {
+	FastLogin1FA(w http.ResponseWriter, r *http.Request, f *Flow, sess *session.Session) (err error)
+	FastLogin2FA(w http.ResponseWriter, r *http.Request, f *Flow, sess *session.Session) (err error)
+}
+
+func (s Strategies) Strategy(id identity.CredentialsType) (Strategy, error) {
+	ids := make([]identity.CredentialsType, len(s))
+	for k, ss := range s {
+		ids[k] = ss.ID()
+		if ss.ID() == id {
+			return ss, nil
+		}
+	}
+
+	return nil, errors.Errorf(`unable to find strategy for %s have %v`, id, ids)
+}
+
+func (s Strategies) MustStrategy(id identity.CredentialsType) Strategy {
+	strategy, err := s.Strategy(id)
+	if err != nil {
+		panic(err)
+	}
+	return strategy
+}
+
+type StrategyFilter func(strategy Strategy) bool
+
+type StrategyProvider interface {
+	AllLoginStrategies() Strategies
+	LoginStrategies(ctx context.Context, filters ...StrategyFilter) Strategies
+}