Aurora SpotiRip desktop and web app

- Spotify playlist, library, album and artist browsing with in-app playback
- Song, playlist and album downloads via spotdl with YouTube and Bandcamp fallbacks
- Electron desktop app (castLabs Widevine) with a permanent sidebar layout
- Linux and Windows packaging scripts

electron/env.ts

@@ -0,0 +1,33 @@
+import { app } from "electron";
+import { existsSync, readFileSync } from "node:fs";
+import { join } from "node:path";
+import { PORT } from "./constants";
+
+app.setName("Aurora SpotiRip");
+
+export const ENV_FILE = join(app.getPath("userData"), "env.json");
+
+for (const file of [ENV_FILE, join(app.getAppPath(), "env.json")]) {
+  if (!existsSync(file)) continue;
+  const values = JSON.parse(readFileSync(file, "utf8")) as Record<string, string>;
+  for (const [key, value] of Object.entries(values)) {
+    if (process.env[key] === undefined) process.env[key] = value;
+  }
+}
+
+process.env.SPOTIRIP_DESKTOP = "1";
+process.env.SPOTIRIP_BASE_URL = `http://127.0.0.1:${PORT}`;
+process.env.SPOTIRIP_DOWNLOAD_USERS = "*";
+
+const exe = process.platform === "win32" ? ".exe" : "";
+
+if (app.isPackaged) {
+  process.env.SPOTIRIP_DOWNLOADER_BIN = join(process.resourcesPath, "downloader", "spotify_downloader" + exe);
+  process.env.SPOTIRIP_FFMPEG = join(process.resourcesPath, "ffmpeg", "ffmpeg" + exe);
+} else {
+  process.env.SPOTIRIP_PYTHON ??=
+    process.platform === "win32"
+      ? join(app.getAppPath(), "venv", "Scripts", "python.exe")
+      : join(app.getAppPath(), "venv", "bin", "python");
+  process.env.SPOTIRIP_DOWNLOADER ??= join(app.getAppPath(), "spotify_downloader.py");
+}