Location: PHPKode > scripts > Just Anther Video Script > Just Another Video Script 1.4.1/swfupload/upload.php
<?php
/*
 *    Copyright (c) 2010 Just Another Video script
 *
 *    This file is part of Just Another Video script.
 *    Come to website for support or buying additional plugins/modules.
 *    http://justanothervideoscript.com/
 */
include_once("../includes/functions.inc");
include_once("../includes/settings.inc");
include_once("../includes/mysql.inc");
$db = new mysql($db_host, $db_user, $db_password, $db_database) ;
$sitefolder = getsetting("sitefolder", $db) ;
$rootpath =  $_SERVER['DOCUMENT_ROOT'].$sitefolder ;

 // Code for Session Cookie workaround
	if (isset($_POST["PHPSESSID"])) {
		session_id($_POST["PHPSESSID"]);
	} else if (isset($_GET["PHPSESSID"])) {
		session_id($_GET["PHPSESSID"]);
	}

	session_start();

// Check post_max_size (http://us3.php.net/manual/en/features.file-upload.php#73762)
	$POST_MAX_SIZE = ini_get('post_max_size');
	$unit = strtoupper(substr($POST_MAX_SIZE, -1));
	$multiplier = ($unit == 'M' ? 1048576 : ($unit == 'K' ? 1024 : ($unit == 'G' ? 1073741824 : 1)));

	if ((int)$_SERVER['CONTENT_LENGTH'] > $multiplier*(int)$POST_MAX_SIZE && $POST_MAX_SIZE) {
		header("HTTP/1.1 500 Internal Server Error"); // This will trigger an uploadError event in SWFUpload
		echo "POST exceeded maximum allowed size.";
		exit(0);
	}

// Settings
	$save_path = $rootpath."uploads/newuploads/" ;			// The path were we will save the file (getcwd() may not be reliable and should be tested in your environment)
	$upload_name = "resume_file";
	$max_file_size_in_bytes = getsetting("mediamaxsize", $db) ;				// 200mb in bytes
	$extension_whitelist = array("flv", "wmv", "mov", "mpg", "avi", "mpeg", "mp4", "3gp", "rm", "asf");	// Allowed file extensions
	$valid_chars_regex = '.A-Z0-9_ !@#$%^&()+={}\[\]\',~`-';				// Characters allowed in the file name (in a Regular Expression format)

// Other variables
	$MAX_FILENAME_LENGTH = 260;
	$file_name = "";
	$file_extension = "";
	$uploadErrors = array(
        0=>"There is no error, the file uploaded with success",
        1=>"The uploaded file exceeds the upload_max_filesize directive in php.ini",
        2=>"The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
        3=>"The uploaded file was only partially uploaded",
        4=>"No file was uploaded",
        6=>"Missing a temporary folder"
	);


// Validate the upload
	if (!isset($_FILES[$upload_name])) {
		HandleError("No upload found in \$_FILES for " . $upload_name);
		exit(0);
	} else if (isset($_FILES[$upload_name]["error"]) && $_FILES[$upload_name]["error"] != 0) {
		HandleError($uploadErrors[$_FILES[$upload_name]["error"]]);
		exit(0);
	} else if (!isset($_FILES[$upload_name]["tmp_name"]) || !@is_uploaded_file($_FILES[$upload_name]["tmp_name"])) {
		HandleError("Upload failed is_uploaded_file test.");
		exit(0);
	} else if (!isset($_FILES[$upload_name]['name'])) {
		HandleError("File has no name.");
		exit(0);
	}

// Validate the file size (Warning: the largest files supported by this code is 2GB)
	$file_size = @filesize($_FILES[$upload_name]["tmp_name"]);
	if (!$file_size || $file_size > $max_file_size_in_bytes) {
		HandleError("File exceeds the maximum allowed size");
		exit(0);
	}

	if ($file_size <= 0) {
		HandleError("File size outside allowed lower bound");
		exit(0);
	}


// Validate file name (for our purposes we'll just remove invalid characters)
	$file_name = preg_replace('/[^'.$valid_chars_regex.']|\.+$/i', "", basename($_FILES[$upload_name]['name']));
	if (strlen($file_name) == 0 || strlen($file_name) > $MAX_FILENAME_LENGTH) {
		HandleError("Invalid file name");
		exit(0);
	}


// Validate that we won't over-write an existing file
	if (file_exists($save_path . $file_name)) {
		HandleError("File with this name already exists");
		exit(0);
	}

// Validate file extension
	$path_info = pathinfo($_FILES[$upload_name]['name']);
	$file_extension = $path_info["extension"];
	$is_valid_extension = false;
	foreach ($extension_whitelist as $extension) {
		if (strcasecmp($file_extension, $extension) == 0) {
			$is_valid_extension = true;
			break;
		}
	}
	if (!$is_valid_extension) {
		HandleError("Invalid file extension");
		exit(0);
	}

// Validate file contents (extension and mime-type can't be trusted)
	/*
		Validating the file contents is OS and web server configuration dependant.  Also, it may not be reliable.
		See the comments on this page: http://us2.php.net/fileinfo

		Also see http://72.14.253.104/search?q=cache:3YGZfcnKDrYJ:www.scanit.be/uploads/php-file-upload.pdf+php+file+command&hl=en&ct=clnk&cd=8&gl=us&client=firefox-a
		 which describes how a PHP script can be embedded within a GIF image file.

		Therefore, no sample code will be provided here.  Research the issue, decide how much security is
		 needed, and implement a solution that meets the needs.
	*/


// Process the file
	/*
		At this point we are ready to process the valid file. This sample code shows how to save the file. Other tasks
		 could be done such as creating an entry in a database or generating a thumbnail.

		Depending on your server OS and needs you may need to set the Security Permissions on the file after it has
		been saved.
	*/
	if (!@move_uploaded_file($_FILES[$upload_name]["tmp_name"], $save_path.$file_name)) {
		HandleError("File could not be saved.");
		exit(0);
	echo $file_name ;
	}

	exit(0);


/* Handles the error output. This error message will be sent to the uploadSuccess event handler.  The event handler
will have to check for any error messages and react as needed. */
function HandleError($message) {
	echo $message;
}
?>
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