From 4b1cc8d645c57a839dec7c7a2250b22cdd109d58 Mon Sep 17 00:00:00 2001
From: Quentin Gliech <quenting@element.io>
Date: Mon, 4 Jul 2022 18:44:31 +0200
Subject: [PATCH] Make hydrogen generate the device scope

---
 src/domain/login/StartOIDCLoginViewModel.js | 5 +++--
 src/matrix/net/OidcApi.ts                   | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/domain/login/StartOIDCLoginViewModel.js b/src/domain/login/StartOIDCLoginViewModel.js
index e70a7487..d6424f74 100644
--- a/src/domain/login/StartOIDCLoginViewModel.js
+++ b/src/domain/login/StartOIDCLoginViewModel.js
@@ -42,12 +42,13 @@ export class StartOIDCLoginViewModel extends ViewModel {
     async discover() {
         // Ask for the metadata once so it gets discovered and cached
         await this._api.metadata()
-        await this._api.ensureRegistered();
+        await this._api.registration();
     }
 
     async startOIDCLogin() {
+        const deviceScope = this._api.generateDeviceScope();
         const p = this._api.generateParams({
-            scope: "openid",
+            scope: `openid ${deviceScope}`,
             redirectUri: this.urlCreator.createOIDCRedirectURL(),
         });
         const clientId = await this._api.clientId();
diff --git a/src/matrix/net/OidcApi.ts b/src/matrix/net/OidcApi.ts
index 57168622..b8d459b3 100644
--- a/src/matrix/net/OidcApi.ts
+++ b/src/matrix/net/OidcApi.ts
@@ -203,6 +203,11 @@ export class OidcApi {
         return metadata["registration_endpoint"];
     }
 
+    generateDeviceScope(): String {
+        const deviceId = randomString(10);
+        return `urn:matrix:device:${deviceId}`;
+    }
+
     generateParams({ scope, redirectUri }: { scope: string, redirectUri: string }): AuthorizationParams {
         return {
             scope,