Initial Upload

lib/Helper/SendFile.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * Copyright (C) 2020 Xibo Signage Ltd
+ *
+ * Xibo - Digital Signage - http://www.xibo.org.uk
+ *
+ * This file is part of Xibo.
+ *
+ * Xibo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Xibo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Xibo.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Xibo\Helper;
+
+use GuzzleHttp\Psr7\Stream;
+use Slim\Http\Response;
+
+/**
+ * Class SendFile
+ * @package Xibo\Helper
+ */
+class SendFile
+{
+    /**
+     * @param \Slim\Http\Response $response
+     * @param string $sendFile
+     * @param string $filePath
+     * @param string|null $name
+     * @param bool $zlibOff
+     * @return \Slim\Http\Response
+     */
+    public static function decorateResponse($response, $sendFile, $filePath, $name = null, $zlibOff = true):? Response
+    {
+        if ($zlibOff && ini_get('zlib.output_compression')) {
+            ini_set('zlib.output_compression', 'Off');
+        }
+
+        $baseName = basename($filePath);
+        $response = $response
+            ->withHeader('Content-Type', 'application/octet-stream')
+            ->withHeader('Content-Disposition', 'attachment; filename=' . ($name === null ? $baseName : $name))
+            ->withHeader('Content-Transfer-Encoding', 'Binary')
+            ->withHeader('Content-Length', filesize($filePath));
+
+        // Send via Apache X-Sendfile header?
+        if ($sendFile == 'Apache') {
+            $response = $response->withHeader('X-Sendfile', $filePath);
+        } else if ($sendFile == 'Nginx') {
+            // Send via Nginx X-Accel-Redirect?
+            $response = $response->withHeader('X-Accel-Redirect', '/download/temp/' . $baseName);
+        } else {
+            $response = $response->withBody(new Stream(fopen($filePath, 'r')));
+        }
+
+        return $response;
+    }
+}