From 8635a812a6f9ef62f0ed9568d21aad7a58014208 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Joshua=20R=C3=BCsweg?= <josh@bastelstu.be>
Date: Mon, 7 Jan 2019 22:50:06 +0100
Subject: [PATCH] Add UploadFile See #2825

---
 .../system/file/upload/UploadFile.class.php   | 173 ++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/file/upload/UploadFile.class.php

diff --git a/wcfsetup/install/files/lib/system/file/upload/UploadFile.class.php b/wcfsetup/install/files/lib/system/file/upload/UploadFile.class.php
new file mode 100644
index 0000000000..1b3c35bb7d
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/file/upload/UploadFile.class.php
@@ -0,0 +1,173 @@
+<?php
+namespace wcf\system\file\upload;
+use wcf\util\FileUtil;
+
+/**
+ * An specific upload file.
+ *
+ * @author	Joshua Ruesweg
+ * @copyright	2001-2018 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	WoltLabSuite\Core\System\File\Upload
+ * @since       5.2
+ */
+class UploadFile {
+	/**
+	 * Location for the file. 
+	 * @var String
+	 */
+	private $location;
+	
+	/**
+	 * Indicator, whether the file is already processed.
+	 * @var boolean 
+	 */
+	private $processed;
+	
+	/**
+	 * The filename. 
+	 * @var String
+	 */
+	private $filename;
+	
+	/**
+	 * Indicator, whether the file is an image.
+	 * @var boolean 
+	 */
+	private $isImage;
+	
+	/**
+	 * Indicator, whether the file can be displayed as an image.
+	 * @var boolean
+	 */
+	public $viewableImage;
+	
+	/**
+	 * The filesize of the file.
+	 * @var int 
+	 */
+	public $filesize;
+	
+	/**
+	 * The unique id for the file.
+	 * @var String
+	 */
+	private $uniquieId;
+	
+	/**
+	 * UploadFile constructor.
+	 *
+	 * @param       String          $location
+	 * @param       String          $filename
+	 * @param       boolean         $viewableImage
+	 * @param       boolean         $processed
+	 */
+	public function __construct($location, $filename, $viewableImage = true, $processed = false) {
+		if (!file_exists($location)) {
+			throw new \InvalidArgumentException("File '". $location ."' could not be found.");
+		}
+		
+		$this->location = $location;
+		$this->filename = $filename;
+		$this->filesize = filesize($location);
+		$this->processed = $processed;
+		$this->viewableImage = $viewableImage;
+		$this->uniquieId = sha1(sha1_file($location) . sha1($location));
+		
+		if (@getimagesize($location) !== false) {
+			$this->isImage = true;
+		}
+	}
+	
+	/**
+	 * Returns true, whether this file is an image.
+	 * 
+	 * @return boolean
+	 */
+	public function isImage() {
+		return $this->isImage;
+	}
+	
+	/**
+	 * Returns the image location or a base64 encoded string of the image. Returns null
+	 * if the file is not an image or the image is not viewable. 
+	 * 
+	 * @return String|null
+	 */
+	public function getImage() {
+		if (!$this->isImage() || !$this->viewableImage) {
+			return null;
+		}
+		
+		if (!$this->processed) {
+			$imageData = getimagesize($this->location);
+			return 'data:'. $imageData['mime'] .';base64,'.base64_encode(file_get_contents($this->location));
+		}
+		else {
+			return $this->location;
+		}
+	}
+	
+	/**
+	 * Returns the location of the file.
+	 * 
+	 * @return String
+	 */
+	public function getLocation() {
+		return $this->location;
+	}
+	
+	/**
+	 * Returns the filename of the file. 
+	 * 
+	 * @return String
+	 */
+	public function getFilename() {
+		return $this->filename;
+	}
+	
+	/**
+	 * Returns the unique file id for the file. It is used to identify the certain file. 
+	 * @return String
+	 */
+	public function getUniqueFileId() {
+		return $this->uniquieId;
+	}
+	
+	/**
+	 * Sets the new location of the file, after it is processed and 
+	 * sets the `processed` attribute to true.
+	 * 
+	 * @param       String        $newLocation
+	 */
+	public function setProcessed($newLocation) {
+		if (!file_exists($newLocation)) {
+			throw new \InvalidArgumentException("File '". $newLocation ."' could not be found.");
+		}
+		
+		$this->location = $newLocation;
+		$this->processed = true;
+	}
+	
+	/**
+	 * Returns true, if the file is already processed. 
+	 * 
+	 * @return boolean
+	 */
+	public function isProcessed() {
+		return $this->processed;
+	}
+	
+	/**
+	 * Returns icon name for this attachment.
+	 *
+	 * @return      string
+	 */
+	public function getIconName() {
+		if ($iconName = FileUtil::getIconNameByFilename($this->filename)) {
+			return 'file-' . $iconName . '-o';
+		}
+		
+		return 'paperclip';
+	}
+}
-- 
2.20.1