Move pin to secret file

.env.example

@@ -11,7 +11,7 @@ TMDB_KEY_FILE = /run/secrets/tmdb_key
 
 # TVDB API key
 TVDB_KEY_FILE = /run/secrets/tvdb_key
-TVDB_PIN =
+TVDB_PIN_FILE = /run/secrets/tvdb_pin
 TVDB_REFRESH_PERIOD = 480 # (8 hours) How frequently to refresh the token (in minutes)
 
 # Database -----------------------------------------------------------------------------------------

src/server/services/TvDb.ts

@@ -2,6 +2,7 @@ import { readFile } from "fs/promises";
 import Application from "@server/Application";
 import TVDB from "tvdb-v4";
 import Service from "./Service";
+import { env, secret } from "@server/util";
 
 /**
  * The token refresh period in milliseconds
@@ -32,7 +33,7 @@ export default class TvDb extends Service
 	 * Boot the service
 	 */
 	public async boot() {
-		let apiKey = (await readFile(<string>process.env["TVDB_KEY_FILE"])).toString().trim();
+		let apiKey = await secret(env("TVDB_KEY_FILE"));
 		this.tvdb = new TVDB(apiKey);
 		await this.refreshLogin();
 	}
@@ -52,9 +53,10 @@ export default class TvDb extends Service
 			return;
 		}
 		this.log("Refreshing login token...");
+		let pin = await secret(env("TVDB_PIN_FILE"));
 		let timestamp = Date.now() + TOKEN_REFRESH_PERIOD; // Save the time before the request
-		await this.tvdb.login(<string>process.env["TVDB_PIN"]);
-		this.nextTokenRefreshTimestamp = timestamp // if succeeds, update the timestamp
+		await this.tvdb.login(pin);
+		this.nextTokenRefreshTimestamp = timestamp
 	}
 
 	/**