1 files changed, 0 insertions, 1129 deletions
diff --git a/phpBB/includes/functions_upload.php b/phpBB/includes/functions_upload.php
deleted file mode 100644
index 3ab87ee794..0000000000
--- a/phpBB/includes/functions_upload.php
+++ /dev/null
@@ -1,1129 +0,0 @@
-<?php
-/**
-*
-* This file is part of the phpBB Forum Software package.
-*
-* @copyright (c) phpBB Limited <https://www.phpbb.com>
-* @license GNU General Public License, version 2 (GPL-2.0)
-*
-* For full copyright and license information, please see
-* the docs/CREDITS.txt file.
-*
-*/
-
-/**
-* @ignore
-*/
-if (!defined('IN_PHPBB'))
-{
-	exit;
-}
-
-/**
-* Responsible for holding all file relevant information, as well as doing file-specific operations.
-* The {@link fileupload fileupload class} can be used to upload several files, each of them being this object to operate further on.
-*/
-class filespec
-{
-	var $filename = '';
-	var $realname = '';
-	var $uploadname = '';
-	var $mimetype = '';
-	var $extension = '';
-	var $filesize = 0;
-	var $width = 0;
-	var $height = 0;
-	var $image_info = array();
-
-	var $destination_file = '';
-	var $destination_path = '';
-
-	var $file_moved = false;
-	var $init_error = false;
-	var $local = false;
-
-	var $error = array();
-
-	var $upload = '';
-
-	/**
-	 * @var \phpbb\filesystem\filesystem_interface
-	 */
-	protected $filesystem;
-
-	/**
-	 * The plupload object
-	 * @var \phpbb\plupload\plupload
-	 */
-	protected $plupload;
-
-	/**
-	 * phpBB Mimetype guesser
-	 * @var \phpbb\mimetype\guesser
-	 */
-	protected $mimetype_guesser;
-
-	/**
-	* File Class
-	* @access private
-	*/
-	function filespec($upload_ary, $upload_namespace, \phpbb\filesystem\filesystem_interface $phpbb_filesystem, \phpbb\mimetype\guesser $mimetype_guesser = null, \phpbb\plupload\plupload $plupload = null)
-	{
-		if (!isset($upload_ary))
-		{
-			$this->init_error = true;
-			return;
-		}
-
-		$this->filename = $upload_ary['tmp_name'];
-		$this->filesize = $upload_ary['size'];
-		$name = (STRIP) ? stripslashes($upload_ary['name']) : $upload_ary['name'];
-		$name = trim(utf8_basename($name));
-		$this->realname = $this->uploadname = $name;
-		$this->mimetype = $upload_ary['type'];
-
-		// Opera adds the name to the mime type
-		$this->mimetype	= (strpos($this->mimetype, '; name') !== false) ? str_replace(strstr($this->mimetype, '; name'), '', $this->mimetype) : $this->mimetype;
-
-		if (!$this->mimetype)
-		{
-			$this->mimetype = 'application/octet-stream';
-		}
-
-		$this->extension = strtolower(self::get_extension($this->realname));
-
-		// Try to get real filesize from temporary folder (not always working) ;)
-		$this->filesize = (@filesize($this->filename)) ? @filesize($this->filename) : $this->filesize;
-
-		$this->width = $this->height = 0;
-		$this->file_moved = false;
-
-		$this->local = (isset($upload_ary['local_mode'])) ? true : false;
-		$this->upload = $upload_namespace;
-		$this->plupload = $plupload;
-		$this->mimetype_guesser = $mimetype_guesser;
-		$this->filesystem = $phpbb_filesystem;
-	}
-
-	/**
-	* Cleans destination filename
-	*
-	* @param real|unique|unique_ext $mode real creates a realname, filtering some characters, lowering every character. Unique creates an unique filename
-	* @param string $prefix Prefix applied to filename
-	* @param string $user_id The user_id is only needed for when cleaning a user's avatar
-	* @access public
-	*/
-	function clean_filename($mode = 'unique', $prefix = '', $user_id = '')
-	{
-		if ($this->init_error)
-		{
-			return;
-		}
-
-		switch ($mode)
-		{
-			case 'real':
-				// Remove every extension from filename (to not let the mime bug being exposed)
-				if (strpos($this->realname, '.') !== false)
-				{
-					$this->realname = substr($this->realname, 0, strpos($this->realname, '.'));
-				}
-
-				// Replace any chars which may cause us problems with _
-				$bad_chars = array("'", "\\", ' ', '/', ':', '*', '?', '"', '<', '>', '|');
-
-				$this->realname = rawurlencode(str_replace($bad_chars, '_', strtolower($this->realname)));
-				$this->realname = preg_replace("/%(\w{2})/", '_', $this->realname);
-
-				$this->realname = $prefix . $this->realname . '.' . $this->extension;
-			break;
-
-			case 'unique':
-				$this->realname = $prefix . md5(unique_id());
-			break;
-
-			case 'avatar':
-				$this->extension = strtolower($this->extension);
-				$this->realname = $prefix . $user_id . '.' . $this->extension;
-
-			break;
-
-			case 'unique_ext':
-			default:
-				$this->realname = $prefix . md5(unique_id()) . '.' . $this->extension;
-			break;
-		}
-	}
-
-	/**
-	* Get property from file object
-	*/
-	function get($property)
-	{
-		if ($this->init_error || !isset($this->$property))
-		{
-			return false;
-		}
-
-		return $this->$property;
-	}
-
-	/**
-	* Check if file is an image (mimetype)
-	*
-	* @return true if it is an image, false if not
-	*/
-	function is_image()
-	{
-		return (strpos($this->mimetype, 'image/') === 0);
-	}
-
-	/**
-	* Check if the file got correctly uploaded
-	*
-	* @return true if it is a valid upload, false if not
-	*/
-	function is_uploaded()
-	{
-		$is_plupload = $this->plupload && $this->plupload->is_active();
-
-		if (!$this->local && !$is_plupload && !is_uploaded_file($this->filename))
-		{
-			return false;
-		}
-
-		if (($this->local || $is_plupload) && !file_exists($this->filename))
-		{
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	* Remove file
-	*/
-	function remove()
-	{
-		if ($this->file_moved)
-		{
-			@unlink($this->destination_file);
-		}
-	}
-
-	/**
-	* Get file extension
-	*
-	* @param string Filename that needs to be checked
-	* @return string Extension of the supplied filename
-	*/
-	static public function get_extension($filename)
-	{
-		$filename = utf8_basename($filename);
-
-		if (strpos($filename, '.') === false)
-		{
-			return '';
-		}
-
-		$filename = explode('.', $filename);
-		return array_pop($filename);
-	}
-
-	/**
-	* Get mimetype
-	*
-	* @param string $filename Filename that needs to be checked
-	* @return string Mimetype of supplied filename
-	*/
-	function get_mimetype($filename)
-	{
-		if ($this->mimetype_guesser !== null)
-		{
-			$mimetype = $this->mimetype_guesser->guess($filename, $this->uploadname);
-
-			if ($mimetype !== 'application/octet-stream')
-			{
-				$this->mimetype = $mimetype;
-			}
-		}
-
-		return $this->mimetype;
-	}
-
-	/**
-	* Get filesize
-	*/
-	function get_filesize($filename)
-	{
-		return @filesize($filename);
-	}
-
-
-	/**
-	* Check the first 256 bytes for forbidden content
-	*/
-	function check_content($disallowed_content)
-	{
-		if (empty($disallowed_content))
-		{
-			return true;
-		}
-
-		$fp = @fopen($this->filename, 'rb');
-
-		if ($fp !== false)
-		{
-			$ie_mime_relevant = fread($fp, 256);
-			fclose($fp);
-			foreach ($disallowed_content as $forbidden)
-			{
-				if (stripos($ie_mime_relevant, '<' . $forbidden) !== false)
-				{
-					return false;
-				}
-			}
-		}
-		return true;
-	}
-
-	/**
-	* Move file to destination folder
-	* The phpbb_root_path variable will be applied to the destination path
-	*
-	* @param string $destination Destination path, for example $config['avatar_path']
-	* @param bool $overwrite If set to true, an already existing file will be overwritten
-	* @param bool $skip_image_check If set to true, the check for the file to be a valid image is skipped
-	* @param string $chmod Permission mask for chmodding the file after a successful move. The mode entered here reflects the mode defined by {@link phpbb_chmod()}
-	*
-	* @access public
-	*/
-	function move_file($destination, $overwrite = false, $skip_image_check = false, $chmod = false)
-	{
-		global $user, $phpbb_root_path;
-
-		if (sizeof($this->error))
-		{
-			return false;
-		}
-
-		$chmod = ($chmod === false) ? CHMOD_READ | CHMOD_WRITE : $chmod;
-
-		// We need to trust the admin in specifying valid upload directories and an attacker not being able to overwrite it...
-		$this->destination_path = $phpbb_root_path . $destination;
-
-		// Check if the destination path exist...
-		if (!file_exists($this->destination_path))
-		{
-			@unlink($this->filename);
-			return false;
-		}
-
-		$upload_mode = (@ini_get('open_basedir') || @ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'on') ? 'move' : 'copy';
-		$upload_mode = ($this->local) ? 'local' : $upload_mode;
-		$this->destination_file = $this->destination_path . '/' . utf8_basename($this->realname);
-
-		// Check if the file already exist, else there is something wrong...
-		if (file_exists($this->destination_file) && !$overwrite)
-		{
-			@unlink($this->filename);
-			$this->error[] = $user->lang($this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR', $this->destination_file);
-			$this->file_moved = false;
-			return false;
-		}
-		else
-		{
-			if (file_exists($this->destination_file))
-			{
-				@unlink($this->destination_file);
-			}
-
-			switch ($upload_mode)
-			{
-				case 'copy':
-
-					if (!@copy($this->filename, $this->destination_file))
-					{
-						if (!@move_uploaded_file($this->filename, $this->destination_file))
-						{
-							$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
-						}
-					}
-
-				break;
-
-				case 'move':
-
-					if (!@move_uploaded_file($this->filename, $this->destination_file))
-					{
-						if (!@copy($this->filename, $this->destination_file))
-						{
-							$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
-						}
-					}
-
-				break;
-
-				case 'local':
-
-					if (!@copy($this->filename, $this->destination_file))
-					{
-						$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);
-					}
-
-				break;
-			}
-
-			// Remove temporary filename
-			@unlink($this->filename);
-
-			if (sizeof($this->error))
-			{
-				return false;
-			}
-
-			try
-			{
-				$this->filesystem->phpbb_chmod($this->destination_file, $chmod);
-			}
-			catch (\phpbb\filesystem\exception\filesystem_exception $e)
-			{
-				// Do nothing
-			}
-		}
-
-		// Try to get real filesize from destination folder
-		$this->filesize = (@filesize($this->destination_file)) ? @filesize($this->destination_file) : $this->filesize;
-
-		// Get mimetype of supplied file
-		$this->mimetype = $this->get_mimetype($this->destination_file);
-
-		if ($this->is_image() && !$skip_image_check)
-		{
-			$this->width = $this->height = 0;
-
-			// Get imagesize class
-			$imagesize = new \FastImageSize\FastImageSize();
-
-			$this->image_info = $imagesize->getImageSize($this->destination_file, $this->mimetype);
-
-			if ($this->image_info !== false)
-			{
-				$this->width = $this->image_info['width'];
-				$this->height = $this->image_info['height'];
-
-				// Check image type
-				$types = fileupload::image_types();
-
-				if (!isset($types[$this->image_info['type']]) || !in_array($this->extension, $types[$this->image_info['type']]))
-				{
-					if (!isset($types[$this->image_info['type']]))
-					{
-						$this->error[] = $user->lang('IMAGE_FILETYPE_INVALID', $this->image_info['type'], $this->mimetype);
-					}
-					else
-					{
-						$this->error[] = $user->lang('IMAGE_FILETYPE_MISMATCH', $types[$this->image_info['type']][0], $this->extension);
-					}
-				}
-
-				// Make sure the dimensions match a valid image
-				if (empty($this->width) || empty($this->height))
-				{
-					$this->error[] = $user->lang['ATTACHED_IMAGE_NOT_IMAGE'];
-				}
-			}
-			else
-			{
-				$this->error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
-			}
-		}
-
-		$this->file_moved = true;
-		$this->additional_checks();
-		unset($this->upload);
-
-		return true;
-	}
-
-	/**
-	* Performing additional checks
-	*/
-	function additional_checks()
-	{
-		global $user;
-
-		if (!$this->file_moved)
-		{
-			return false;
-		}
-
-		// Filesize is too big or it's 0 if it was larger than the maxsize in the upload form
-		if ($this->upload->max_filesize && ($this->get('filesize') > $this->upload->max_filesize || $this->filesize == 0))
-		{
-			$max_filesize = get_formatted_filesize($this->upload->max_filesize, false);
-
-			$this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']);
-
-			return false;
-		}
-
-		if (!$this->upload->valid_dimensions($this))
-		{
-			$this->error[] = $user->lang($this->upload->error_prefix . 'WRONG_SIZE',
-				$user->lang('PIXELS', (int) $this->upload->min_width),
-				$user->lang('PIXELS', (int) $this->upload->min_height),
-				$user->lang('PIXELS', (int) $this->upload->max_width),
-				$user->lang('PIXELS', (int) $this->upload->max_height),
-				$user->lang('PIXELS', (int) $this->width),
-				$user->lang('PIXELS', (int) $this->height));
-
-			return false;
-		}
-
-		return true;
-	}
-}
-
-/**
-* Class for assigning error messages before a real filespec class can be assigned
-*/
-class fileerror extends filespec
-{
-	function fileerror($error_msg)
-	{
-		$this->error[] = $error_msg;
-	}
-}
-
-/**
-* File upload class
-* Init class (all parameters optional and able to be set/overwritten separately) - scope is global and valid for all uploads
-*/
-class fileupload
-{
-	var $allowed_extensions = array();
-	var $disallowed_content = array('body', 'head', 'html', 'img', 'plaintext', 'a href', 'pre', 'script', 'table', 'title');
-	var $max_filesize = 0;
-	var $min_width = 0;
-	var $min_height = 0;
-	var $max_width = 0;
-	var $max_height = 0;
-	var $error_prefix = '';
-
-	/** @var int Timeout for remote upload */
-	var $upload_timeout = 6;
-
-	/**
-	 * @var \phpbb\filesystem\filesystem_interface
-	 */
-	protected $filesystem;
-
-	/**
-	* Init file upload class.
-	*
-	* @param \phpbb\filesystem\filesystem_interface $filesystem
-	* @param string $error_prefix Used error messages will get prefixed by this string
-	* @param array $allowed_extensions Array of allowed extensions, for example array('jpg', 'jpeg', 'gif', 'png')
-	* @param int $max_filesize Maximum filesize
-	* @param int $min_width Minimum image width (only checked for images)
-	* @param int $min_height Minimum image height (only checked for images)
-	* @param int $max_width Maximum image width (only checked for images)
-	* @param int $max_height Maximum image height (only checked for images)
-	* @param bool|array $disallowed_content If enabled, the first 256 bytes of the file must not
-	*										contain any of its values. Defaults to false.
-	*
-	*/
-	function fileupload(\phpbb\filesystem\filesystem_interface $filesystem, $error_prefix = '', $allowed_extensions = false, $max_filesize = false, $min_width = false, $min_height = false, $max_width = false, $max_height = false, $disallowed_content = false)
-	{
-		$this->set_allowed_extensions($allowed_extensions);
-		$this->set_max_filesize($max_filesize);
-		$this->set_allowed_dimensions($min_width, $min_height, $max_width, $max_height);
-		$this->set_error_prefix($error_prefix);
-		$this->set_disallowed_content($disallowed_content);
-		$this->filesystem = $filesystem;
-	}
-
-	/**
-	* Reset vars
-	*/
-	function reset_vars()
-	{
-		$this->max_filesize = 0;
-		$this->min_width = $this->min_height = $this->max_width = $this->max_height = 0;
-		$this->error_prefix = '';
-		$this->allowed_extensions = array();
-		$this->disallowed_content = array();
-	}
-
-	/**
-	* Set allowed extensions
-	*/
-	function set_allowed_extensions($allowed_extensions)
-	{
-		if ($allowed_extensions !== false && is_array($allowed_extensions))
-		{
-			$this->allowed_extensions = $allowed_extensions;
-		}
-	}
-
-	/**
-	* Set allowed dimensions
-	*/
-	function set_allowed_dimensions($min_width, $min_height, $max_width, $max_height)
-	{
-		$this->min_width = (int) $min_width;
-		$this->min_height = (int) $min_height;
-		$this->max_width = (int) $max_width;
-		$this->max_height = (int) $max_height;
-	}
-
-	/**
-	* Set maximum allowed filesize
-	*/
-	function set_max_filesize($max_filesize)
-	{
-		if ($max_filesize !== false && (int) $max_filesize)
-		{
-			$this->max_filesize = (int) $max_filesize;
-		}
-	}
-
-	/**
-	* Set disallowed strings
-	*/
-	function set_disallowed_content($disallowed_content)
-	{
-		if ($disallowed_content !== false && is_array($disallowed_content))
-		{
-			$this->disallowed_content = array_diff($disallowed_content, array(''));
-		}
-	}
-
-	/**
-	* Set error prefix
-	*/
-	function set_error_prefix($error_prefix)
-	{
-		$this->error_prefix = $error_prefix;
-	}
-
-	/**
-	* Form upload method
-	* Upload file from users harddisk
-	*
-	* @param string $form_name Form name assigned to the file input field (if it is an array, the key has to be specified)
-	* @param \phpbb\mimetype\guesser $mimetype_guesser Mimetype guesser
-	* @param \phpbb\plupload\plupload $plupload The plupload object
-	*
-	* @return object $file Object "filespec" is returned, all further operations can be done with this object
-	* @access public
-	*/
-	function form_upload($form_name, \phpbb\mimetype\guesser $mimetype_guesser = null, \phpbb\plupload\plupload $plupload = null)
-	{
-		global $user, $request;
-
-		$upload = $request->file($form_name);
-		unset($upload['local_mode']);
-
-		if ($plupload)
-		{
-			$result = $plupload->handle_upload($form_name);
-			if (is_array($result))
-			{
-				$upload = array_merge($upload, $result);
-			}
-		}
-
-		$file = new filespec($upload, $this, $this->filesystem, $mimetype_guesser, $plupload);
-
-		if ($file->init_error)
-		{
-			$file->error[] = '';
-			return $file;
-		}
-
-		// Error array filled?
-		if (isset($upload['error']))
-		{
-			$error = $this->assign_internal_error($upload['error']);
-
-			if ($error !== false)
-			{
-				$file->error[] = $error;
-				return $file;
-			}
-		}
-
-		// Check if empty file got uploaded (not catched by is_uploaded_file)
-		if (isset($upload['size']) && $upload['size'] == 0)
-		{
-			$file->error[] = $user->lang[$this->error_prefix . 'EMPTY_FILEUPLOAD'];
-			return $file;
-		}
-
-		// PHP Upload filesize exceeded
-		if ($file->get('filename') == 'none')
-		{
-			$max_filesize = @ini_get('upload_max_filesize');
-			$unit = 'MB';
-
-			if (!empty($max_filesize))
-			{
-				$unit = strtolower(substr($max_filesize, -1, 1));
-				$max_filesize = (int) $max_filesize;
-
-				$unit = ($unit == 'k') ? 'KB' : (($unit == 'g') ? 'GB' : 'MB');
-			}
-
-			$file->error[] = (empty($max_filesize)) ? $user->lang[$this->error_prefix . 'PHP_SIZE_NA'] : sprintf($user->lang[$this->error_prefix . 'PHP_SIZE_OVERRUN'], $max_filesize, $user->lang[$unit]);
-			return $file;
-		}
-
-		// Not correctly uploaded
-		if (!$file->is_uploaded())
-		{
-			$file->error[] = $user->lang[$this->error_prefix . 'NOT_UPLOADED'];
-			return $file;
-		}
-
-		$this->common_checks($file);
-
-		return $file;
-	}
-
-	/**
-	* Move file from another location to phpBB
-	*/
-	function local_upload($source_file, $filedata = false, \phpbb\mimetype\guesser $mimetype_guesser = null)
-	{
-		global $user, $request;
-
-		$upload = array();
-
-		$upload['local_mode'] = true;
-		$upload['tmp_name'] = $source_file;
-
-		if ($filedata === false)
-		{
-			$upload['name'] = utf8_basename($source_file);
-			$upload['size'] = 0;
-		}
-		else
-		{
-			$upload['name'] = $filedata['realname'];
-			$upload['size'] = $filedata['size'];
-			$upload['type'] = $filedata['type'];
-		}
-
-		$file = new filespec($upload, $this, $this->filesystem, $mimetype_guesser);
-
-		if ($file->init_error)
-		{
-			$file->error[] = '';
-			return $file;
-		}
-
-		if (isset($upload['error']))
-		{
-			$error = $this->assign_internal_error($upload['error']);
-
-			if ($error !== false)
-			{
-				$file->error[] = $error;
-				return $file;
-			}
-		}
-
-		// PHP Upload filesize exceeded
-		if ($file->get('filename') == 'none')
-		{
-			$max_filesize = @ini_get('upload_max_filesize');
-			$unit = 'MB';
-
-			if (!empty($max_filesize))
-			{
-				$unit = strtolower(substr($max_filesize, -1, 1));
-				$max_filesize = (int) $max_filesize;
-
-				$unit = ($unit == 'k') ? 'KB' : (($unit == 'g') ? 'GB' : 'MB');
-			}
-
-			$file->error[] = (empty($max_filesize)) ? $user->lang[$this->error_prefix . 'PHP_SIZE_NA'] : sprintf($user->lang[$this->error_prefix . 'PHP_SIZE_OVERRUN'], $max_filesize, $user->lang[$unit]);
-			return $file;
-		}
-
-		// Not correctly uploaded
-		if (!$file->is_uploaded())
-		{
-			$file->error[] = $user->lang[$this->error_prefix . 'NOT_UPLOADED'];
-			return $file;
-		}
-
-		$this->common_checks($file);
-		$request->overwrite('local', $upload, \phpbb\request\request_interface::FILES);
-
-		return $file;
-	}
-
-	/**
-	* Remote upload method
-	* Uploads file from given url
-	*
-	* @param string $upload_url URL pointing to file to upload, for example http://www.foobar.com/example.gif
-	* @param \phpbb\mimetype\guesser $mimetype_guesser Mimetype guesser
-	* @return object $file Object "filespec" is returned, all further operations can be done with this object
-	* @access public
-	*/
-	function remote_upload($upload_url, \phpbb\mimetype\guesser $mimetype_guesser = null)
-	{
-		global $user, $phpbb_root_path;
-
-		$upload_ary = array();
-		$upload_ary['local_mode'] = true;
-
-		if (!preg_match('#^(https?://).*?\.(' . implode('|', $this->allowed_extensions) . ')$#i', $upload_url, $match))
-		{
-			$file = new fileerror($user->lang[$this->error_prefix . 'URL_INVALID']);
-			return $file;
-		}
-
-		if (empty($match[2]))
-		{
-			$file = new fileerror($user->lang[$this->error_prefix . 'URL_INVALID']);
-			return $file;
-		}
-
-		$url = parse_url($upload_url);
-
-		$host = $url['host'];
-		$path = $url['path'];
-		$port = (!empty($url['port'])) ? (int) $url['port'] : 80;
-
-		$upload_ary['type'] = 'application/octet-stream';
-
-		$url['path'] = explode('.', $url['path']);
-		$ext = array_pop($url['path']);
-
-		$url['path'] = implode('', $url['path']);
-		$upload_ary['name'] = utf8_basename($url['path']) . (($ext) ? '.' . $ext : '');
-		$filename = $url['path'];
-		$filesize = 0;
-
-		$remote_max_filesize = $this->max_filesize;
-		if (!$remote_max_filesize)
-		{
-			$max_filesize = @ini_get('upload_max_filesize');
-
-			if (!empty($max_filesize))
-			{
-				$unit = strtolower(substr($max_filesize, -1, 1));
-				$remote_max_filesize = (int) $max_filesize;
-
-				switch ($unit)
-				{
-					case 'g':
-						$remote_max_filesize *= 1024;
-					// no break
-					case 'm':
-						$remote_max_filesize *= 1024;
-					// no break
-					case 'k':
-						$remote_max_filesize *= 1024;
-					// no break
-				}
-			}
-		}
-
-		$errno = 0;
-		$errstr = '';
-
-		if (!($fsock = @fsockopen($host, $port, $errno, $errstr)))
-		{
-			$file = new fileerror($user->lang[$this->error_prefix . 'NOT_UPLOADED']);
-			return $file;
-		}
-
-		// Make sure $path not beginning with /
-		if (strpos($path, '/') === 0)
-		{
-			$path = substr($path, 1);
-		}
-
-		fputs($fsock, 'GET /' . $path . " HTTP/1.1\r\n");
-		fputs($fsock, "HOST: " . $host . "\r\n");
-		fputs($fsock, "Connection: close\r\n\r\n");
-
-		// Set a proper timeout for the socket
-		socket_set_timeout($fsock, $this->upload_timeout);
-
-		$get_info = false;
-		$data = '';
-		$length = false;
-		$timer_stop = time() + $this->upload_timeout;
-
-		while ((!$length || $filesize < $length) && !@feof($fsock))
-		{
-			if ($get_info)
-			{
-				if ($length)
-				{
-					// Don't attempt to read past end of file if server indicated length
-					$block = @fread($fsock, min($length - $filesize, 1024));
-				}
-				else
-				{
-					$block = @fread($fsock, 1024);
-				}
-
-				$filesize += strlen($block);
-
-				if ($remote_max_filesize && $filesize > $remote_max_filesize)
-				{
-					$max_filesize = get_formatted_filesize($remote_max_filesize, false);
-
-					$file = new fileerror(sprintf($user->lang[$this->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']));
-					return $file;
-				}
-
-				$data .= $block;
-			}
-			else
-			{
-				$line = @fgets($fsock, 1024);
-
-				if ($line == "\r\n")
-				{
-					$get_info = true;
-				}
-				else
-				{
-					if (stripos($line, 'content-type: ') !== false)
-					{
-						$upload_ary['type'] = rtrim(str_replace('content-type: ', '', strtolower($line)));
-					}
-					else if ($this->max_filesize && stripos($line, 'content-length: ') !== false)
-					{
-						$length = (int) str_replace('content-length: ', '', strtolower($line));
-
-						if ($remote_max_filesize && $length && $length > $remote_max_filesize)
-						{
-							$max_filesize = get_formatted_filesize($remote_max_filesize, false);
-
-							$file = new fileerror(sprintf($user->lang[$this->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']));
-							return $file;
-						}
-					}
-					else if (stripos($line, '404 not found') !== false)
-					{
-						$file = new fileerror($user->lang[$this->error_prefix . 'URL_NOT_FOUND']);
-						return $file;
-					}
-				}
-			}
-
-			$stream_meta_data = stream_get_meta_data($fsock);
-
-			// Cancel upload if we exceed timeout
-			if (!empty($stream_meta_data['timed_out']) || time() >= $timer_stop)
-			{
-				$file = new fileerror($user->lang[$this->error_prefix . 'REMOTE_UPLOAD_TIMEOUT']);
-				return $file;
-			}
-		}
-		@fclose($fsock);
-
-		if (empty($data))
-		{
-			$file = new fileerror($user->lang[$this->error_prefix . 'EMPTY_REMOTE_DATA']);
-			return $file;
-		}
-
-		$tmp_path = (!@ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'off') ? false : $phpbb_root_path . 'cache';
-		$filename = tempnam($tmp_path, unique_id() . '-');
-
-		if (!($fp = @fopen($filename, 'wb')))
-		{
-			$file = new fileerror($user->lang[$this->error_prefix . 'NOT_UPLOADED']);
-			return $file;
-		}
-
-		$upload_ary['size'] = fwrite($fp, $data);
-		fclose($fp);
-		unset($data);
-
-		$upload_ary['tmp_name'] = $filename;
-
-		$file = new filespec($upload_ary, $this, $this->filesystem, $mimetype_guesser);
-		$this->common_checks($file);
-
-		return $file;
-	}
-
-	/**
-	* Assign internal error
-	* @access private
-	*/
-	function assign_internal_error($errorcode)
-	{
-		global $user;
-
-		switch ($errorcode)
-		{
-			case 1:
-				$max_filesize = @ini_get('upload_max_filesize');
-				$unit = 'MB';
-
-				if (!empty($max_filesize))
-				{
-					$unit = strtolower(substr($max_filesize, -1, 1));
-					$max_filesize = (int) $max_filesize;
-
-					$unit = ($unit == 'k') ? 'KB' : (($unit == 'g') ? 'GB' : 'MB');
-				}
-
-				$error = (empty($max_filesize)) ? $user->lang[$this->error_prefix . 'PHP_SIZE_NA'] : sprintf($user->lang[$this->error_prefix . 'PHP_SIZE_OVERRUN'], $max_filesize, $user->lang[$unit]);
-			break;
-
-			case 2:
-				$max_filesize = get_formatted_filesize($this->max_filesize, false);
-
-				$error = sprintf($user->lang[$this->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']);
-			break;
-
-			case 3:
-				$error = $user->lang[$this->error_prefix . 'PARTIAL_UPLOAD'];
-			break;
-
-			case 4:
-				$error = $user->lang[$this->error_prefix . 'NOT_UPLOADED'];
-			break;
-
-			case 6:
-				$error = 'Temporary folder could not be found. Please check your PHP installation.';
-			break;
-
-			default:
-				$error = false;
-			break;
-		}
-
-		return $error;
-	}
-
-	/**
-	* Perform common checks
-	*/
-	function common_checks(&$file)
-	{
-		global $user;
-
-		// Filesize is too big or it's 0 if it was larger than the maxsize in the upload form
-		if ($this->max_filesize && ($file->get('filesize') > $this->max_filesize || $file->get('filesize') == 0))
-		{
-			$max_filesize = get_formatted_filesize($this->max_filesize, false);
-
-			$file->error[] = sprintf($user->lang[$this->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']);
-		}
-
-		// check Filename
-		if (preg_match("#[\\/:*?\"<>|]#i", $file->get('realname')))
-		{
-			$file->error[] = sprintf($user->lang[$this->error_prefix . 'INVALID_FILENAME'], $file->get('realname'));
-		}
-
-		// Invalid Extension
-		if (!$this->valid_extension($file))
-		{
-			$file->error[] = sprintf($user->lang[$this->error_prefix . 'DISALLOWED_EXTENSION'], $file->get('extension'));
-		}
-
-		// MIME Sniffing
-		if (!$this->valid_content($file))
-		{
-			$file->error[] = sprintf($user->lang[$this->error_prefix . 'DISALLOWED_CONTENT']);
-		}
-	}
-
-	/**
-	* Check for allowed extension
-	*/
-	function valid_extension(&$file)
-	{
-		return (in_array($file->get('extension'), $this->allowed_extensions)) ? true : false;
-	}
-
-	/**
-	* Check for allowed dimension
-	*/
-	function valid_dimensions(&$file)
-	{
-		if (!$this->max_width && !$this->max_height && !$this->min_width && !$this->min_height)
-		{
-			return true;
-		}
-
-		if (($file->get('width') > $this->max_width && $this->max_width) ||
-			($file->get('height') > $this->max_height && $this->max_height) ||
-			($file->get('width') < $this->min_width && $this->min_width) ||
-			($file->get('height') < $this->min_height && $this->min_height))
-		{
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	* Check if form upload is valid
-	*/
-	function is_valid($form_name)
-	{
-		global $request;
-		$upload = $request->file($form_name);
-
-		return (!empty($upload) && $upload['name'] !== 'none');
-	}
-
-
-	/**
-	* Check for bad content (IE mime-sniffing)
-	*/
-	function valid_content(&$file)
-	{
-		return ($file->check_content($this->disallowed_content));
-	}
-
-	/**
-	* Get image type/extension mapping
-	*
-	* @return array Array containing the image types and their extensions
-	*/
-	static public function image_types()
-	{
-		$result = array(
-			IMAGETYPE_GIF		=> array('gif'),
-			IMAGETYPE_JPEG		=> array('jpg', 'jpeg'),
-			IMAGETYPE_PNG		=> array('png'),
-			IMAGETYPE_SWF		=> array('swf'),
-			IMAGETYPE_PSD		=> array('psd'),
-			IMAGETYPE_BMP		=> array('bmp'),
-			IMAGETYPE_TIFF_II	=> array('tif', 'tiff'),
-			IMAGETYPE_TIFF_MM	=> array('tif', 'tiff'),
-			IMAGETYPE_JPC		=> array('jpg', 'jpeg'),
-			IMAGETYPE_JP2		=> array('jpg', 'jpeg'),
-			IMAGETYPE_JPX		=> array('jpg', 'jpeg'),
-			IMAGETYPE_JB2		=> array('jpg', 'jpeg'),
-			IMAGETYPE_IFF		=> array('iff'),
-			IMAGETYPE_WBMP		=> array('wbmp'),
-			IMAGETYPE_XBM		=> array('xbm'),
-		);
-
-		if (defined('IMAGETYPE_SWC'))
-		{
-			$result[IMAGETYPE_SWC] = array('swc');
-		}
-
-		return $result;
-	}
-}