From 303c5abfb42939011dd1bd48f5516a4ec2f2ac1d Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Sun, 31 Oct 2021 16:01:50 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=E3=82=AF=E3=83=A9=E3=82=A4=E3=82=A2?=
 =?UTF-8?q?=E3=83=B3=E3=83=88=E3=81=A7=E3=83=AD=E3=82=B0=E3=82=A4=E3=83=B3?=
 =?UTF-8?q?=E3=81=99=E3=82=8B=E3=82=A2=E3=82=AB=E3=82=A6=E3=83=B3=E3=83=88?=
 =?UTF-8?q?id=E3=82=92=E6=8C=87=E5=AE=9A=E3=81=99=E3=82=8B=E3=82=AF?=
 =?UTF-8?q?=E3=82=A8=E3=83=AA(loginId=3D:userId)=20(#7929)?=
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* feat: ログインするアカウントのIDをクエリ文字列で指定する機能

* await?

* rename
---
 src/client/init.ts             | 21 +++++++++++++++++++++
 src/client/scripts/login-id.ts | 11 +++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 src/client/scripts/login-id.ts

diff --git a/src/client/init.ts b/src/client/init.ts
index 123d4020e1..654e176398 100644
--- a/src/client/init.ts
+++ b/src/client/init.ts
@@ -37,6 +37,8 @@ import { isMobile } from '@client/scripts/is-mobile';
 import { initializeSw } from '@client/scripts/initialize-sw';
 import { reloadChannel } from '@client/scripts/unison-reload';
 import { reactionPicker } from '@client/scripts/reaction-picker';
+import { getUrlWithoutLoginId } from '@client/scripts/login-id';
+import { getAccountFromId } from '@client/scripts/get-account-from-id';
 
 console.info(`Misskey v${version}`);
 
@@ -116,6 +118,25 @@ const html = document.documentElement;
 html.setAttribute('lang', lang);
 //#endregion
 
+//#region loginId
+const params = new URLSearchParams(location.search);
+const loginId = params.get('loginId');
+
+if (loginId) {
+	const target = getUrlWithoutLoginId(location.href);
+
+	if (!$i || $i.id !== loginId) {
+		const account = await getAccountFromId(loginId);
+		if (account) {
+			await login(account.token, target);
+		}
+	}
+
+	history.replaceState({ misskey: 'loginId' }, '', target);
+}
+
+//#endregion
+
 //#region Fetch user
 if ($i && $i.token) {
 	if (_DEV_) {
diff --git a/src/client/scripts/login-id.ts b/src/client/scripts/login-id.ts
new file mode 100644
index 0000000000..0f9c6be4a9
--- /dev/null
+++ b/src/client/scripts/login-id.ts
@@ -0,0 +1,11 @@
+export function getUrlWithLoginId(url: string, loginId: string) {
+	const u = new URL(url, origin);
+	u.searchParams.append('loginId', loginId);
+	return u.toString();
+}
+
+export function getUrlWithoutLoginId(url: string) {
+	const u = new URL(url);
+	u.searchParams.delete('loginId');
+	return u.toString();
+}