update

src/entrypoints/background/index.ts

@@ -0,0 +1,30 @@
+import { UrlReferer } from '@/lib/settings';
+
+export default defineBackground(() => {
+	browser.runtime.onMessage.addListener(async (message) => {
+		if (message.action == 'ff2mpv') {
+			await browser.runtime.sendNativeMessage('ff2mpv', { url: message.url });
+		}
+
+		// the following listener is only available in mv2
+		if (import.meta.env.MANIFEST_VERSION === 3) return;
+
+		browser.webRequest.onBeforeSendHeaders.addListener(
+			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+			// @ts-ignore
+			async (details) => {
+				const referer = await UrlReferer.get(new URL(details.url).hostname);
+				if (!referer) return;
+
+				details.requestHeaders!.push({
+					name: 'Referer',
+					value: `https://${referer}/`
+				});
+
+				return { requestHeaders: details.requestHeaders };
+			},
+			{ urls: ['<all_urls>'], types: ['xmlhttprequest'] },
+			['blocking', 'requestHeaders']
+		);
+	});
+});