<?php
/**
 * finformation PHP 5 class
 * A wrapper for the Fileinfo object
 *
 * @author Jeffrey Barke <jeffrey.barke@jeffreybarke.net>
 * @version 0.1
 * @copyright Copyright 2009, Jeffrey Barke
 * @license http://www.gnu.org/licenses/gpl.txt GNU General Public License
 */

	class finformation {

		// vars

		private $finfo = false;

		private $const = FILEINFO_MIME;

		private $debug = false;

		private $magic = '/usr/share/misc/magic';

		public $ready = false;

		// magic methods

		public function __construct($const = false, $magic = false, $debug = false) {
			// set fileinfo constant
			if ($const) { $this->setConst($const); }
			// set location of magic database file
			$this->setMagic($magic);
			// set debug status
			if (true === $debug) {
				ini_set('error_reporting', E_ALL);
				ini_set('display_errors', 'stdout');
			}
			// make sure we can read magic file
			if ( is_file($this->getMagic()) ) {
				// create file info object
				$this->finfo = new finfo($this->getConst(), $this->getMagic());
				$this->ready = true;
			}
		}

		// getters

		private function getConst() { return $this->const; }

		private function getMagic() { return $this->magic; }

		// setters

		private function setConst($const) { $this->const = $const; }

		private function setMagic($magic = false) {
			if ($magic) {
				$this->magic = $magic;
			} else {
				if ($_ENV['MAGIC']) {
					$this->magic = $_ENV['MAGIC'];
				}
			}
		}

		// public methods

		public function close() {
			unset($this->finfo);
			return true;
		}

		public function file($path, $magic = false) {
			if ($magic) { $this->setMagic($magic); }
			return $this->finfo->file($path);
		}

		/**
		 * @param string Path to file to test MIME type
		 * @param array Array of allowed MIME types
		 * @return bool True if the MIME type of the file is within the array of allowed types
		 */
		public function test($path, $arr) {
			if (!is_array($arr)) { return false; }
			if (in_array($this->file($path), $arr)) {
				return true;
			} else {
				return false;
			}
		}

	}

?>