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+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package auth
+
+import (
+ "net/http"
+
+ "code.gitea.io/gitea/models"
+ "code.gitea.io/gitea/modules/session"
+ "code.gitea.io/gitea/modules/web/middleware"
+)
+
+// DataStore represents a data store
+type DataStore middleware.DataStore
+
+// SessionStore represents a session store
+type SessionStore session.Store
+
+// Auth represents an authentication method (plugin) for HTTP requests.
+type Auth interface {
+ Name() string
+
+ // Init should be called exactly once before using any of the other methods,
+ // in order to allow the plugin to allocate necessary resources
+ Init() error
+
+ // Free should be called exactly once before application closes, in order to
+ // give chance to the plugin to free any allocated resources
+ Free() error
+
+ // Verify tries to verify the authentication data contained in the request.
+ // If verification is successful returns either an existing user object (with id > 0)
+ // or a new user object (with id = 0) populated with the information that was found
+ // in the authentication data (username or email).
+ // Returns nil if verification fails.
+ Verify(http *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) *models.User
+}