Improve export routine and cron job for #837

app/Console/Commands/VerifiesAccessToken.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * VerifiesAccessToken.php
+ * Copyright (c) 2017 thegrumpydictator@gmail.com
+ * This software may be modified and distributed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Console\Commands;
+
+use FireflyIII\Repositories\User\UserRepositoryInterface;
+use Log;
+use Preferences;
+
+trait VerifiesAccessToken
+{
+    /**
+     * @return bool
+     */
+    protected function verifyAccessToken(): bool
+    {
+        $userId = intval($this->option('user'));
+        $token  = strval($this->option('token'));
+        /** @var UserRepositoryInterface $repository */
+        $repository = app(UserRepositoryInterface::class);
+        $user       = $repository->find($userId);
+
+        if (is_null($user->id)) {
+            Log::error(sprintf('verifyAccessToken(): no such user for input "%d"', $userId));
+
+            return false;
+        }
+        $accessToken = Preferences::getForUser($user, 'access_token', null);
+        if (is_null($accessToken)) {
+            Log::error(sprintf('User #%d has no access token, so cannot access command line options.', $userId));
+
+            return false;
+        }
+        if (!($accessToken->data === $token)) {
+            Log::error(sprintf('Invalid access token for user #%d.', $userId));
+
+            return false;
+        }
+
+        return true;
+    }
+
+}