From af0b8bfe43f200fa81795d556254ccb52b15561a Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <programble@gmail.com>
Date: Mon, 21 Dec 2015 22:21:53 -0500
Subject: [PATCH] Add Provider trait

---
 src/lib.rs      |  1 +
 src/provider.rs | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 src/provider.rs

diff --git a/src/lib.rs b/src/lib.rs
index dd63bef..2d7e474 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,3 +4,4 @@ extern crate rustc_serialize;
 extern crate url;
 
 pub mod token;
+pub mod provider;
diff --git a/src/provider.rs b/src/provider.rs
new file mode 100644
index 0000000..d54bd81
--- /dev/null
+++ b/src/provider.rs
@@ -0,0 +1,22 @@
+//! Providers.
+
+use token::{Token, Lifetime};
+
+/// OAuth 2.0 providers.
+pub trait Provider {
+    /// The lifetime of tokens issued by the provider.
+    type Lifetime: Lifetime;
+
+    /// The type of token issued by the provider.
+    type Token: Token<Self::Lifetime>;
+
+    /// The authorization endpoint URI.
+    ///
+    /// See [RFC 6749, section 3.1](http://tools.ietf.org/html/rfc6749#section-3.1).
+    fn auth_uri() -> &'static str;
+
+    /// The token endpoint URI.
+    ///
+    /// See [RFC 6749, section 3.2](http://tools.ietf.org/html/rfc6749#section-3.2).
+    fn token_uri() -> &'static str;
+}