Link device account management with OIDC (#2390)

* load auth metadata configs on startup

* deep-link cross-signing reset button with oidc

* deep-link manage devices and delete device with oidc

* fix import typo

src/app/components/ServerConfigsLoader.tsx

@@ -0,0 +1,52 @@
+import { ReactNode, useCallback, useMemo } from 'react';
+import { Capabilities, validateAuthMetadata, ValidatedAuthMetadata } from 'matrix-js-sdk';
+import { AsyncStatus, useAsyncCallbackValue } from '../hooks/useAsyncCallback';
+import { useMatrixClient } from '../hooks/useMatrixClient';
+import { MediaConfig } from '../hooks/useMediaConfig';
+import { promiseFulfilledResult } from '../utils/common';
+
+export type ServerConfigs = {
+  capabilities?: Capabilities;
+  mediaConfig?: MediaConfig;
+  authMetadata?: ValidatedAuthMetadata;
+};
+
+type ServerConfigsLoaderProps = {
+  children: (configs: ServerConfigs) => ReactNode;
+};
+export function ServerConfigsLoader({ children }: ServerConfigsLoaderProps) {
+  const mx = useMatrixClient();
+  const fallbackConfigs = useMemo(() => ({}), []);
+
+  const [configsState] = useAsyncCallbackValue<ServerConfigs, unknown>(
+    useCallback(async () => {
+      const result = await Promise.allSettled([
+        mx.getCapabilities(),
+        mx.getMediaConfig(),
+        mx.getAuthMetadata(),
+      ]);
+
+      const capabilities = promiseFulfilledResult(result[0]);
+      const mediaConfig = promiseFulfilledResult(result[1]);
+      const authMetadata = promiseFulfilledResult(result[2]);
+      let validatedAuthMetadata: ValidatedAuthMetadata | undefined;
+
+      try {
+        validatedAuthMetadata = validateAuthMetadata(authMetadata);
+      } catch (e) {
+        console.error(e);
+      }
+
+      return {
+        capabilities,
+        mediaConfig,
+        authMetadata: validatedAuthMetadata,
+      };
+    }, [mx])
+  );
+
+  const configs: ServerConfigs =
+    configsState.status === AsyncStatus.Success ? configsState.data : fallbackConfigs;
+
+  return children(configs);
+}