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feat(gateway): read YouTube cookies from BWS env (gmw_yt_downloader_cookies) fallback to on-disk file

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bws-exec exposes the BWS secret as env GMW_YT_DOWNLOADER_COOKIES.
Materialize to temp Netscape file (yt-dlp --cookies needs a path).
Falls back to /etc/gmw-discord-gateway/ytcookies.txt written by deploy.
This commit is contained in:
asepharyana
2026-08-12 17:50:07 +07:00
parent 84c5c36672
commit 7a7f433988
1 changed files with 22 additions and 2 deletions
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services/discord-gateway/src/modules/voice-recording/mediaSource.ts
+22 -2
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@@ -1,5 +1,5 @@
import { type ChildProcess, spawn } from "node:child_process";
import { chmodSync, existsSync, mkdtempSync, rmSync } from "node:fs";
import { chmodSync, existsSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { PassThrough, type Readable } from "node:stream";
@@ -225,17 +225,37 @@ function buildNotInstalledError(): Error {
* If the file doesn't exist we pass nothing and fall back to anon (YouTube
* may 403 — screen share will fail gracefully, not crash).
*/
var _cachedCookiePath: string | null = null;
function buildCookieArgs(): string[] {
// Single source of truth: BWS injects the account cookies via env
// (gmw_yt_downloader_cookies → GMW_YT_DOWNLOADER_COOKIES by bws-exec).
// We materialize them to a temp Netscape file because yt-dlp --cookies
// only accepts a file path, not stdin, and multiline env values are not
// reliable to pass directly on the spawn argv. Falls back to the on-disk
// file at GMW_YT_COOKIES_PATH (or /etc/gmw-discord-gateway/ytcookies.txt)
// which the Nix deploy writes from BWS once at start.
if (_cachedCookiePath) return ["--cookies", _cachedCookiePath];
const envCookies = process.env.GMW_YT_DOWNLOADER_COOKIES?.trim();
if (envCookies && envCookies.includes("LOGIN_INFO")) {
const fdPath = join(tmpdir(), `gmw-ytcookies.${process.pid}.txt`);
writeFileSync(fdPath, envCookies);
try { chmodSync(fdPath, 0o600); } catch { /* best-effort */ }
_cachedCookiePath = fdPath;
logger.info({ cookiePath: fdPath, source: "GMW_YT_DOWNLOADER_COOKIES env" }, "Using YouTube cookies (from BWS env)");
return ["--cookies", fdPath];
}
const cookiePath =
process.env.GMW_YT_COOKIES_PATH ?? "/etc/gmw-discord-gateway/ytcookies.txt";
try {
if (cookiePath && existsSync(cookiePath)) {
logger.info({ cookiePath }, "Using YouTube cookies for yt-dlp");
_cachedCookiePath = cookiePath;
logger.info({ cookiePath, source: "on-disk file" }, "Using YouTube cookies for yt-dlp");
return ["--cookies", cookiePath];
}
} catch {
/* ignore — fallback to anon */
}
logger.warn("No YouTube cookies available; yt-dlp will use anonymous (YouTube may 403)");
return [];
}