From d5b372f7a92e3892addb306fc6b62b169e2bfc41 Mon Sep 17 00:00:00 2001
From: Marie <github@yuugi.dev>
Date: Fri, 4 Oct 2024 02:31:22 +0200
Subject: upd&merge: Merge Cherrypick/MisskeyIO's external url popup, delete
 old popup warning and modify script to handle undefined domains

---
 .../src/scripts/warning-external-website.ts        | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 packages/frontend/src/scripts/warning-external-website.ts

(limited to 'packages/frontend/src/scripts')

diff --git a/packages/frontend/src/scripts/warning-external-website.ts b/packages/frontend/src/scripts/warning-external-website.ts
new file mode 100644
index 0000000000..c0050112ce
--- /dev/null
+++ b/packages/frontend/src/scripts/warning-external-website.ts
@@ -0,0 +1,48 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { instance } from '@/instance.js';
+import { defaultStore } from '@/store.js';
+import * as os from '@/os.js';
+import MkUrlWarningDialog from '@/components/MkUrlWarningDialog.vue';
+
+const extractDomain = /^(https?:\/\/|\/\/)?([^@/\s]+@)?(www\.)?([^:/\s]+)/i;
+const isRegExp = /^\/(.+)\/(.*)$/;
+
+export async function warningExternalWebsite(url: string) {
+	const domain = extractDomain.exec(url)?.[4];
+
+	if (!domain) return false;
+
+	const isTrustedByInstance = instance.trustedLinkUrlPatterns.some(expression => {
+		const r = isRegExp.exec(expression);
+
+		if (r) {
+			return new RegExp(r[1], r[2]).test(url);
+		} else if (expression.includes(' ')) return expression.split(' ').every(keyword => url.includes(keyword));
+		else return domain.endsWith(expression);
+	});
+
+	const isTrustedByUser = defaultStore.reactiveState.trustedDomains.value.includes(domain);
+
+	if (!isTrustedByInstance && !isTrustedByUser) {
+		const confirm = await new Promise<{ canceled: boolean }>(resolve => {
+			const { dispose } = os.popup(MkUrlWarningDialog, {
+				url,
+			}, {
+				done: result => {
+					resolve(result ? result : { canceled: true });
+				},
+				closed: () => dispose(),
+			});
+		});
+
+		if (confirm.canceled) return false;
+
+		window.open(url, '_blank', 'nofollow noopener popup=false');
+	}
+
+	return true;
+}
-- 
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