Set base-uri as User-Agent for OAuth1 and Github authentication

Summary: Closes T15848

Test Plan: Unclear.

Reviewers: O1 Blessed Committers, valerio.bozzolan

Reviewed By: O1 Blessed Committers, valerio.bozzolan

Subscribers: RhinosF1, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15848

Differential Revision: https://we.phorge.it/D25758

src/applications/auth/adapter/PhutilGitHubAuthAdapter.php

@@ -55,7 +55,8 @@ final class PhutilGitHubAuthAdapter extends PhutilOAuthAuthAdapter {
     $future = new HTTPSFuture($uri);
 
     // NOTE: GitHub requires a User-Agent string.
-    $future->addHeader('User-Agent', __CLASS__);
+    $future->addHeader('User-Agent',
+      PhabricatorEnv::getEnvConfig('phabricator.base-uri'));
 
     // See T13485. Circa early 2020, GitHub has deprecated use of the
     // "access_token" URI parameter.

src/applications/auth/adapter/PhutilOAuth1AuthAdapter.php

@@ -100,6 +100,8 @@ abstract class PhutilOAuth1AuthAdapter extends PhutilAuthAdapter {
 
   protected function newOAuth1Future($uri, $data = array()) {
     $future = id(new PhutilOAuth1Future($uri, $data))
+      ->addHeader('User-Agent',
+          PhabricatorEnv::getEnvConfig('phabricator.base-uri'))
       ->setMethod('POST')
       ->setSignatureMethod($this->getSignatureMethod());