server: remove port requirement, permit running on paths (#680)

config.ts

@@ -35,7 +35,7 @@ const {argv: argvObj} = yargs(process.argv.slice(2))
     alias: 'p',
     default: 3000,
     describe: 'The port that Flood should listen for web connections on',
-    type: 'number',
+    type: 'string',
   })
   .option('secret', {
     alias: 's',

server/bin/web-server.ts

@@ -96,8 +96,11 @@ const startWebServer = () => {
 
   server.on('error', handleError);
   server.on('listening', handleListening);
+  process.on('exit', () => {
+    server.close();
+  });
 
-  const address = chalk.underline(`${useSSL ? 'https' : 'http'}://${host}:${port}`);
+  const address = chalk.underline(typeof port === 'string' ? port : `${useSSL ? 'https' : 'http'}://${host}:${port}`);
 
   console.log(chalk.green(`Flood server ${packageJSON.version} starting on ${address}\n`));
 

shared/schema/Config.ts

@@ -67,11 +67,11 @@ export const configSchema = strictObject({
   // CLI argument: --host / -h
   // The host that Flood should listen for web connections on.
   // To listen on all interfaces, change to `floodServerHost: '0.0.0.0'`. [default: '127.0.0.1']
-  floodServerHost: string(),
+  floodServerHost: string().optional(),
 
   // CLI argument: --port / -p
-  // The port that Flood should listen for web connections on. [default: 3000]
-  floodServerPort: number().int().positive(),
+  // The port or path that Flood should listen for web connections on. [default: 3000]
+  floodServerPort: number().int().positive().or(string()),
 
   // CLI argument: --maxhistorystates
   // Flood keeps a history of torrent download and upload speeds.