From 884013090b1b56b207f644393865c6057c9999ca Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Mon, 18 Apr 2016 22:11:39 +0100
Subject: Initial commit

---
 server/auth/provider.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 server/auth/provider.go

(limited to 'server/auth/provider.go')

diff --git a/server/auth/provider.go b/server/auth/provider.go
new file mode 100644
index 0000000..ae512bd
--- /dev/null
+++ b/server/auth/provider.go
@@ -0,0 +1,27 @@
+package auth
+
+import "golang.org/x/oauth2"
+
+type Provider interface {
+	Name() string
+	StartSession(string) *Session
+	Exchange(string) (*oauth2.Token, error)
+	Username(*oauth2.Token) string
+	Valid(*oauth2.Token) bool
+	Revoke(*oauth2.Token) error
+}
+
+type Session struct {
+	AuthURL string
+	Token   *oauth2.Token
+	State   string
+}
+
+func (s *Session) Authorize(provider Provider, code string) error {
+	t, err := provider.Exchange(code)
+	if err != nil {
+		return err
+	}
+	s.Token = t
+	return nil
+}
-- 
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