Implement Panel changes to support internal SFTP subsystem on Daemon (#703)

app/Http/Requests/API/Remote/SftpAuthenticationFormRequest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\API\Remote;
+
+use Pterodactyl\Http\Requests\Request;
+
+class SftpAuthenticationFormRequest extends Request
+{
+    /**
+     * Authenticate the request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Rules to apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'username' => 'required|string',
+            'password' => 'required|string',
+        ];
+    }
+
+    /**
+     * Return only the fields that we are interested in from the request.
+     * This will include empty fields as a null value.
+     *
+     * @return array
+     */
+    public function normalize()
+    {
+        return $this->only(
+            array_keys($this->rules())
+        );
+    }
+}