Fix exception when adjusting mail settings, closes pterodactyl#907

Author: DaneEveritt

CHANGELOG.md

@@ -7,6 +7,7 @@ This project follows [Semantic Versioning](http://semver.org) guidelines.
 ### Fixed
 * `[rc.1]` — Fixes exception thrown when revoking user sessions.
 * `[rc.1]` — Fixes exception that would occur when trying to delete allocations from a node.
+* `[rc.1]` — Fixes exception thown when attempting to adjust mail settings as well as a validation error thrown afterwards.
 
 ## v0.7.0-rc.1 (Derelict Dermodactylus)
 ### Fixed

app/Contracts/Repository/SettingsRepositoryInterface.php

@@ -7,13 +7,13 @@ interface SettingsRepositoryInterface extends RepositoryInterface
     /**
      * Store a new persistent setting in the database.
      *
-     * @param string $key
-     * @param string $value
+     * @param string      $key
+     * @param string|null $value
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */
-    public function set(string $key, string $value);
+    public function set(string $key, string $value = null);
 
     /**
      * Retrieve a persistent setting from the database.

app/Http/Requests/Admin/Settings/MailSettingsFormRequest.php

@@ -2,6 +2,7 @@
 
 namespace Pterodactyl\Http\Requests\Admin\Settings;
 
+use Illuminate\Validation\Rule;
 use Pterodactyl\Http\Requests\Admin\AdminFormRequest;
 
 class MailSettingsFormRequest extends AdminFormRequest
@@ -16,11 +17,11 @@ public function rules()
         return [
             'mail:host' => 'required|string',
             'mail:port' => 'required|integer|between:1,65535',
-            'mail:encryption' => 'present|string|in:"",tls,ssl',
-            'mail:username' => 'string|max:255',
-            'mail:password' => 'string|max:255',
+            'mail:encryption' => ['present', Rule::in([null, 'tls', 'ssl'])],
+            'mail:username' => 'nullable|string|max:255',
+            'mail:password' => 'nullable|string|max:255',
             'mail:from:address' => 'required|string|email',
-            'mail:from:name' => 'string|max:255',
+            'mail:from:name' => 'nullable|string|max:255',
         ];
     }
 
@@ -31,7 +32,7 @@ public function rules()
      * @param array $only
      * @return array
      */
-    public function normalize($only = [])
+    public function normalize(array $only = null)
     {
         $keys = array_flip(array_keys($this->rules()));
 

app/Repositories/Eloquent/SettingsRepository.php

@@ -30,17 +30,17 @@ public function model()
     /**
      * Store a new persistent setting in the database.
      *
-     * @param string $key
-     * @param string $value
+     * @param string      $key
+     * @param string|null $value
      *
      * @throws \Pterodactyl\Exceptions\Model\DataValidationException
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */
-    public function set(string $key, string $value)
+    public function set(string $key, string $value = null)
     {
         // Clear item from the cache.
         $this->clearCache($key);
-        $this->withoutFreshModel()->updateOrCreate(['key' => $key], ['value' => $value]);
+        $this->withoutFreshModel()->updateOrCreate(['key' => $key], ['value' => $value ?? '']);
 
         self::$cache[$key] = $value;
     }