Allow full name to be retrieved by SSO ReverseProxy

Expand on #4585 by also getting the user's full name from the Reverse Proxy:
If a ReverseProxy provides more than REMOTE_USER, such as email, it might
as well also provide the user's full name.

app/Auth/ReverseProxyAuth.php

@@ -44,10 +44,11 @@ class ReverseProxyAuth extends Base implements PreAuthenticationProviderInterfac
     {
         $username = $this->request->getRemoteUser();
         $email = $this->request->getRemoteEmail();
+        $fullname = $this->request->getRemoteName();
 
         if (! empty($username)) {
             $userProfile = $this->userCacheDecorator->getByUsername($username);
-            $this->userInfo = new ReverseProxyUserProvider($username, $email, $userProfile ?: array());
+            $this->userInfo = new ReverseProxyUserProvider($username, $email, $fullname, $userProfile ?: array());
             return true;
         }
 

app/Core/Http/Request.php

@@ -291,6 +291,17 @@ class Request extends Base
         return $this->getServerVariable(REVERSE_PROXY_EMAIL_HEADER);
     }
 
+    /**
+     * Get remote user full name
+     *
+     * @access public
+     * @return string
+     */
+    public function getRemoteName()
+    {
+        return $this->getServerVariable(REVERSE_PROXY_FULLNAME_HEADER);
+    }
+
     /**
      * Returns query string
      *

app/User/ReverseProxyUserProvider.php

@@ -29,6 +29,14 @@ class ReverseProxyUserProvider implements UserProviderInterface
      */
     protected $email = '';
 
+    /**
+     * Full name
+     *
+     * @access protected
+     * @var string
+     */
+    protected $fullname= '';
+
     /**
      * User profile if the user already exists
      *
@@ -43,11 +51,13 @@ class ReverseProxyUserProvider implements UserProviderInterface
      * @access public
      * @param  string $username
      * @param  string $email
+     * @param  string $fullname
      */
-    public function __construct($username, $email, array $userProfile = array())
+    public function __construct($username, $email, $fullname, array $userProfile = array())
     {
         $this->username = $username;
         $this->email = $email;
+        $this->fullname = $fullname;
         $this->userProfile = $userProfile;
     }
 
@@ -133,7 +143,7 @@ class ReverseProxyUserProvider implements UserProviderInterface
      */
     public function getName()
     {
-        return '';
+        return $this->fullname;
     }
 
     /**

app/constants.php

@@ -101,6 +101,7 @@ defined('LDAP_GROUP_SYNC') or define('LDAP_GROUP_SYNC', getenv('LDAP_GROUP_SYNC'
 defined('REVERSE_PROXY_AUTH') or define('REVERSE_PROXY_AUTH', strtolower(getenv('REVERSE_PROXY_AUTH')) === 'true');
 defined('REVERSE_PROXY_USER_HEADER') or define('REVERSE_PROXY_USER_HEADER', getenv('REVERSE_PROXY_USER_HEADER') ?: 'REMOTE_USER');
 defined('REVERSE_PROXY_EMAIL_HEADER') or define('REVERSE_PROXY_EMAIL_HEADER', getenv('REVERSE_PROXY_EMAIL_HEADER') ?: 'REMOTE_EMAIL');
+defined('REVERSE_PROXY_FULLNAME_HEADER') or define('REVERSE_PROXY_FULLNAME_HEADER', getenv('REVERSE_PROXY_FULLNAME_HEADER') ?: 'REMOTE_FULLNAME');
 defined('REVERSE_PROXY_DEFAULT_ADMIN') or define('REVERSE_PROXY_DEFAULT_ADMIN', getenv('REVERSE_PROXY_DEFAULT_ADMIN') ?: '');
 defined('REVERSE_PROXY_DEFAULT_DOMAIN') or define('REVERSE_PROXY_DEFAULT_DOMAIN', getenv('REVERSE_PROXY_DEFAULT_DOMAIN') ?: '');