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files_opds/lib/files.php

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+<?php
+
+/**
+ * ownCloud - Files_Opds App
+ *
+ * @author Frank de Lange
+ * @copyright 2014 Frank de Lange
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ */
+
+namespace OCA\Files_Opds;
+
+/**
+ * Files class, extendes \OCA\Files, tailored for OPDS
+ */
+class Files extends \OCA\Files\Helper
+{
+        /**
+         * Formats the file info to be returned as OPDS to the client.
+         *
+         * @param \OCP\Files\FileInfo $i
+         * @return array formatted file info
+         */
+        public static function formatFileInfo($i) {
+                $entry = array();
+
+                $entry['id'] = $i['fileid'];
+                $entry['mtime'] = $i['mtime'] * 1000;
+                $entry['icon'] = self::determineIcon($i);
+                $entry['name'] = $i->getName();
+                $entry['mimetype'] = $i['mimetype'];
+                $entry['size'] = $i['size'];
+                $entry['type'] = $i['type'];
+                return $entry;
+        }
+
+        /**
+         * Format file info for OPDS feed
+         * @param \OCP\Files\FileInfo[] $fileInfos file infos
+         */
+        public static function formatFileInfos($fileInfos) {
+                $files = array();
+		/* if set, add only files with given extensions */
+		$fileTypes = array_filter(explode(',', strtolower(Config::get('file_types', ''))));
+                foreach ($fileInfos as $i) {
+			if((!empty($fileTypes)) && (!in_array(strtolower(substr(strrchr($i->getName(), "."), 1)), $fileTypes))) {
+				continue;
+			}
+                        $files[] = self::formatFileInfo($i);
+                }
+
+                return $files;
+        }
+
+	/*
+	 * @brief check if $child is a subdirectory of $parent
+	 *
+	 * @param string $parent a directory
+	 * @param string $child a directory
+	 * @return bool true if $child is a subdirectory of $parent
+	 */
+	public static function isChild($parent, $child) {
+		return strpos($child, $parent . '/') === 0;
+	}
+}