Split the service in multiple crates

crates/core/src/handlers/oauth2/mod.rs

@@ -0,0 +1,53 @@
+// Copyright 2021 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use sqlx::PgPool;
+use warp::{Filter, Rejection, Reply};
+
+use crate::{
+    config::{CookiesConfig, OAuth2Config},
+    templates::Templates,
+};
+
+mod authorization;
+mod discovery;
+mod introspection;
+mod keys;
+mod token;
+mod userinfo;
+
+use self::{
+    authorization::filter as authorization, discovery::filter as discovery,
+    introspection::filter as introspection, keys::filter as keys, token::filter as token,
+    userinfo::filter as userinfo,
+};
+
+pub fn filter(
+    pool: &PgPool,
+    templates: &Templates,
+    oauth2_config: &OAuth2Config,
+    cookies_config: &CookiesConfig,
+) -> impl Filter<Extract = (impl Reply,), Error = Rejection> + Clone + Send + Sync + 'static {
+    discovery(oauth2_config)
+        .or(keys(oauth2_config))
+        .or(authorization(
+            pool,
+            templates,
+            oauth2_config,
+            cookies_config,
+        ))
+        .or(userinfo(pool, oauth2_config))
+        .or(introspection(pool, oauth2_config))
+        .or(token(pool, oauth2_config))
+}