/core/helpers/upload.php

<?php if (!defined('RAPYD_PATH')) exit('No direct script access allowed');



/**

 * upload helper

 * widely inspired by kohana http://kohanaphp.com

 **/



class rpd_upload_helper {



	/**

	 * @param   mixed    name of $_FILE input or array of upload data

	 * @param   string   new directory

	 * @param   string   new filename

	 * @param   integer  chmod mask

	 * @return  string   full path to new file

	 */

	public static function save($file, $directory, $filename = NULL, $chmod = 0644)

	{

		// Load file data from FILES if not passed as array

		$file = is_array($file) ? $file : $_FILES[$file];



		if ($filename === NULL)

		{

			$filename = $file['name'];

		}



		$directory = rtrim($directory, '/').'/';

		if (!is_dir($directory))

		{

			return FALSE;

		}



		$filename = preg_replace('/\s+/', '_', $filename);

		$filename = preg_replace('/[^a-zA-Z0-9\._-]/', '', $filename);



		$extension = strtolower(substr(strrchr($filename, '.'), 1));

		$name = rtrim($filename, strrchr($filename, '.'));



		$i = 0;

		$finalname = $name;

		while (file_exists($directory . $finalname. '.'.$extension))

		{

			$i++;

			$finalname = $name . (string)$i;

		}



		$filename = $finalname. '.'.$extension;



		if (is_uploaded_file($file['tmp_name']) AND move_uploaded_file($file['tmp_name'], $directory.$filename))

		{

			if ($chmod !== FALSE)

			{

				// Set permissions on filename

				chmod($directory.$filename, $chmod);

			}



			// Return new filename

			return $filename;

		}



		return FALSE;

	}





	// --------------------------------------------------------------------



	public static function type(array $file, array $allowed_types)

	{

		if ((int) $file['error'] !== UPLOAD_ERR_OK)

			return TRUE;



		$extension = strtolower(substr(strrchr($file['name'], '.'), 1));

		return ( ! empty($extension) AND in_array($extension, $allowed_types) );

	}



	// --------------------------------------------------------------------



	/**

	 * Validation rule to test if an uploaded file is allowed by file size.

	 * File sizes are defined as: SB, where S is the size (1, 15, 300, etc) and

	 * B is the byte modifier: (B)ytes, (K)ilobytes, (M)egabytes, (G)igabytes.

	 * Eg: to limit the size to 1MB or less, you would use "1M".

	 *

	 * @param   array    $_FILES item

	 * @param   string   size string (IE: 1M, 200K, 100B)

	 * @return  bool

	 */

	public static function size(array $file, $size)

	{

		if ((int) $file['error'] !== UPLOAD_ERR_OK)

			return TRUE;



		// Only one size is allowed

		$size = strtoupper($size);



		if ( ! preg_match('/[0-9]++[BKMG]/', $size))

			return FALSE;



		// Make the size into a power of 1024

		switch (substr($size, -1))

		{

			case 'G': $size = intval($size) * pow(1024, 3); break;

			case 'M': $size = intval($size) * pow(1024, 2); break;

			case 'K': $size = intval($size) * pow(1024, 1); break;

			default:  $size = intval($size);                break;

		}



		// Test that the file is under or equal to the max size

		return ($file['size'] <= $size);

	}

	

	

	

	

	public static function fullperm($path)

	{

		if (!is_file($path) && !is_dir($path))

			return '-';



		$perms = fileperms($path);

		

		if (($perms & 0xC000) == 0xC000) {

			// Socket

			$info = 's';

		} elseif (($perms & 0xA000) == 0xA000) {

			// Symbolic Link

			$info = 'l';

		} elseif (($perms & 0x8000) == 0x8000) {

			// Regular

			$info = '-';

		} elseif (($perms & 0x6000) == 0x6000) {

			// Block special

			$info = 'b';

		} elseif (($perms & 0x4000) == 0x4000) {

			// Directory

			$info = 'd';

		} elseif (($perms & 0x2000) == 0x2000) {

			// Character special

			$info = 'c';

		} elseif (($perms & 0x1000) == 0x1000) {

			// FIFO pipe

			$info = 'p';

		} else {

			// Unknown

			$info = 'u';

		}



		// Owner

		$info .= (($perms & 0x0100) ? 'r' : '-');

		$info .= (($perms & 0x0080) ? 'w' : '-');

		$info .= (($perms & 0x0040) ?

					(($perms & 0x0800) ? 's' : 'x' ) :

					(($perms & 0x0800) ? 'S' : '-'));



		// Group

		$info .= (($perms & 0x0020) ? 'r' : '-');

		$info .= (($perms & 0x0010) ? 'w' : '-');

		$info .= (($perms & 0x0008) ?

					(($perms & 0x0400) ? 's' : 'x' ) :

					(($perms & 0x0400) ? 'S' : '-'));



		// World

		$info .= (($perms & 0x0004) ? 'r' : '-');

		$info .= (($perms & 0x0002) ? 'w' : '-');

		$info .= (($perms & 0x0001) ?

					(($perms & 0x0200) ? 't' : 'x' ) :

					(($perms & 0x0200) ? 'T' : '-'));



		return $info;

	

	}

	

	

	

}