ENV to change UA sent to outbound calls (Genius, Last.fm, LRCLIB)

api/_bootstrap.php

@@ -51,7 +51,7 @@ function http_get($url, $timeout = 5, $headers = []) {
             CURLOPT_TIMEOUT        => (int) $timeout,
             CURLOPT_FOLLOWLOCATION => true,
             CURLOPT_MAXREDIRS      => 3,
-            CURLOPT_USERAGENT      => 'radio-site/1.0 (+https://github.com)',
+            CURLOPT_USERAGENT      => cfg('runtime.user_agent'),
         ]);
         if (!empty($headers)) {
             curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
@@ -67,7 +67,7 @@ function http_get($url, $timeout = 5, $headers = []) {
     $ctx = stream_context_create([
         'http' => [
             'timeout' => (int) $timeout,
-            'header'  => implode("\r\n", $headers),
+            'header'  => implode("\r\n", array_merge(['User-Agent: ' . cfg('runtime.user_agent')], $headers)),
             'ignore_errors' => true,
         ],
         'ssl' => ['verify_peer' => true, 'verify_peer_name' => true],