2 files changed, 44 insertions, 1 deletions
diff --git a/src/client/scripts/get-user-menu.ts b/src/client/scripts/get-user-menu.ts
index ceb2bfe173..9a003b5c38 100644
--- a/src/client/scripts/get-user-menu.ts
+++ b/src/client/scripts/get-user-menu.ts
@@ -124,7 +124,13 @@ export function getUserMenu(user) {
 		action: () => {
 			copyToClipboard(`@${user.username}@${user.host || host}`);
 		}
-	}, {
+	}, ($i && ($i.isAdmin || $i.isModerator)) ? {
+		icon: 'fas fa-info-circle',
+		text: i18n.locale.info,
+		action: () => {
+			os.pageWindow(`/instance/user/${user.id}`);
+		}
+	} : {
 		icon: 'fas fa-info-circle',
 		text: i18n.locale.info,
 		action: () => {
diff --git a/src/client/scripts/lookup-user.ts b/src/client/scripts/lookup-user.ts
new file mode 100644
index 0000000000..1bcfd8e9db
--- /dev/null
+++ b/src/client/scripts/lookup-user.ts
@@ -0,0 +1,37 @@
+import parseAcct from '@/misc/acct/parse';
+import { i18n } from '@client/i18n';
+import * as os from '@client/os';
+
+export async function lookupUser() {
+	const { canceled, result } = await os.dialog({
+		title: i18n.locale.usernameOrUserId,
+		input: true
+	});
+	if (canceled) return;
+
+	const show = (user) => {
+		os.pageWindow(`/instance/user/${user.id}`);
+	};
+
+	const usernamePromise = os.api('users/show', parseAcct(result));
+	const idPromise = os.api('users/show', { userId: result });
+	let _notFound = false;
+	const notFound = () => {
+		if (_notFound) {
+			os.dialog({
+				type: 'error',
+				text: i18n.locale.noSuchUser
+			});
+		} else {
+			_notFound = true;
+		}
+	};
+	usernamePromise.then(show).catch(e => {
+		if (e.code === 'NO_SUCH_USER') {
+			notFound();
+		}
+	});
+	idPromise.then(show).catch(e => {
+		notFound();
+	});
+}