1 files changed, 12 insertions, 0 deletions
diff --git a/oauth2/provider.go b/oauth2/provider.go
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--- /dev/null
+++ b/oauth2/provider.go
@@ -0,0 +1,12 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package oauth2
+
+// Provider is an interface for OAuth2 providers.
+type Provider interface {
+	GetUserExtraKey() string
+	GetRedirectURL(state string) string
+	GetProfile(code string) (*Profile, error)
+}