coder · ThomasK33 · Jun 30, 2025 · johnstcn · Jul 1, 2025
diff --git a/coderd/database/dbmem/dbmem.go b/coderd/database/dbmem/dbmem.go
@@ -8975,12 +8975,6 @@ func (q *FakeQuerier) InsertOAuth2ProviderApp(_ context.Context, arg database.In
 	q.mutex.Lock()
 	defer q.mutex.Unlock()
 
-	for _, app := range q.oauth2ProviderApps {
-		if app.Name == arg.Name {
-			return database.OAuth2ProviderApp{}, errUniqueConstraint
-		}
-	}
-
 	//nolint:gosimple // Go wants database.OAuth2ProviderApp(arg), but we cannot be sure the structs will remain identical.
 	app := database.OAuth2ProviderApp{
 		ID:                      arg.ID,

diff --git a/coderd/database/dump.sql b/coderd/database/dump.sql
diff --git a/coderd/database/migrations/000347_remove_oauth2_app_name_unique_constraint.down.sql b/coderd/database/migrations/000347_remove_oauth2_app_name_unique_constraint.down.sql
@@ -0,0 +1,3 @@
+-- Restore unique constraint on oauth2_provider_apps.name for rollback
+-- Note: This rollback may fail if duplicate names exist in the database
+ALTER TABLE oauth2_provider_apps ADD CONSTRAINT oauth2_provider_apps_name_key UNIQUE (name);
diff --git a/coderd/database/migrations/000347_remove_oauth2_app_name_unique_constraint.up.sql b/coderd/database/migrations/000347_remove_oauth2_app_name_unique_constraint.up.sql
@@ -0,0 +1,3 @@
+-- Remove unique constraint on oauth2_provider_apps.name to comply with RFC 7591
+-- RFC 7591 does not require unique client names, only unique client IDs
+ALTER TABLE oauth2_provider_apps DROP CONSTRAINT oauth2_provider_apps_name_key;
diff --git a/coderd/database/unique_constraint.go b/coderd/database/unique_constraint.go
diff --git a/coderd/oauth2_test.go b/coderd/oauth2_test.go
@@ -64,13 +64,6 @@ func TestOAuth2ProviderApps(t *testing.T) {
 					CallbackURL: "http://localhost:3000",
 				},
 			},
-			{
-				name: "NameTaken",
-				req: codersdk.PostOAuth2ProviderAppRequest{
-					Name:        "taken",
-					CallbackURL: "http://localhost:3000",
-				},
-			},
 			{
 				name: "URLMissing",
 				req: codersdk.PostOAuth2ProviderAppRequest{
@@ -135,17 +128,8 @@ func TestOAuth2ProviderApps(t *testing.T) {
 			},
 		}
 
-		// Generate an application for testing name conflicts.
-		req := codersdk.PostOAuth2ProviderAppRequest{
-			Name:        "taken",
-			CallbackURL: "http://coder.com",
-		}
-		//nolint:gocritic // OAauth2 app management requires owner permission.
-		_, err := client.PostOAuth2ProviderApp(ctx, req)
-		require.NoError(t, err)
-
 		// Generate an application for testing PUTs.
-		req = codersdk.PostOAuth2ProviderAppRequest{
+		req := codersdk.PostOAuth2ProviderAppRequest{
 			Name:        fmt.Sprintf("quark-%d", time.Now().UnixNano()%1000000),
 			CallbackURL: "http://coder.com",
 		}