feat(desktop): bundled renderer, modules and instance accounts (#3254)

fluxer_desktop/src/main/LocalAppURL.ts

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import {DESKTOP_APP_HOST} from '@electron/common/Constants';
+import {
+	DESKTOP_LOCAL_APP_PROTOCOL,
+	LOCAL_APP_API_PATH_PREFIX,
+	LOCAL_APP_REMOTE_PROXY_PATH_PREFIX,
+} from '@fluxer/desktop_ipc/src/LocalAppRouteContract';
+
+function parseLocalAppURL(value: string | null): URL | null {
+	if (value == null || value.length === 0) {
+		return null;
+	}
+	let parsed: URL;
+	try {
+		parsed = new URL(value);
+	} catch {
+		return null;
+	}
+	if (parsed.protocol !== DESKTOP_LOCAL_APP_PROTOCOL) {
+		return null;
+	}
+	if (parsed.hostname !== DESKTOP_APP_HOST) {
+		return null;
+	}
+	if (parsed.port !== '' || parsed.username !== '' || parsed.password !== '') {
+		return null;
+	}
+	return parsed;
+}
+
+export function isLocalAppURL(value: string | null): boolean {
+	return parseLocalAppURL(value) != null;
+}
+
+export function isReservedLocalAppProxyPath(pathname: string): boolean {
+	if (pathname === LOCAL_APP_API_PATH_PREFIX || pathname.startsWith(`${LOCAL_APP_API_PATH_PREFIX}/`)) {
+		return true;
+	}
+	return (
+		pathname === LOCAL_APP_REMOTE_PROXY_PATH_PREFIX || pathname.startsWith(`${LOCAL_APP_REMOTE_PROXY_PATH_PREFIX}/`)
+	);
+}
+
+export function isLocalAppRendererDocumentURL(value: string | null): boolean {
+	const parsed = parseLocalAppURL(value);
+	if (parsed == null) {
+		return false;
+	}
+	return !isReservedLocalAppProxyPath(parsed.pathname);
+}