Decide which oauth backend to use via new configuration flag 'medal_oauth_type'

src/oauth_provider.rs

@@ -15,6 +15,7 @@
 #[derive(Serialize, Deserialize, Clone, Default, Debug)]
 pub struct OauthProvider {
     pub provider_id: String,
+    pub medal_oauth_type: String,
     pub url: String,
     pub client_id: String,
     pub client_secret: String,

src/webfw_iron.rs

@@ -1074,7 +1074,12 @@ fn oauth<C>(req: &mut Request) -> IronResult<Response>
         }
     };
 
-    let user_data = match oauth_pms(req, oauth_provider, school_id.as_ref()).aug(req)? {
+    let user_data_result = match oauth_provider.medal_oauth_type.as_ref() {
+        "pms" => oauth_pms(req, oauth_provider, school_id.as_ref()).aug(req)?,
+        _ => return Ok(Response::with(iron::status::NotFound)),
+    };
+
+    let user_data = match user_data_result {
         Err(response) => return Ok(response),
         Ok(user_data) => user_data,
     };