ave-cms/inc/upload.php

<?php

	/**
	 * AVE.cms
	 *
	 * @package AVE.cms
	 * @version 3.x
	 * @filesource
	 * @copyright © 2007-2014 AVE.cms, http://www.ave-cms.ru
	 *
	 * @license GPL v.2
	 */

	// HTTP headers for no cache etc
	header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
	header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
	header("Cache-Control: no-store, no-cache, must-revalidate");
	header("Cache-Control: post-check=0, pre-check=0", false);
	header("Pragma: no-cache");

	ob_start();
	ob_implicit_flush(0);

	define('BASE_DIR', str_replace("\\", "/", dirname(dirname(__FILE__))));

	require(BASE_DIR . '/inc/init.php');

	if (! check_permission('mediapool_add'))
	{
		header('Location:/index.php');
		exit;
	}

	// Settings
	$targetDir = BASE_DIR.'/'. UPLOAD_DIR . $_REQUEST["path_upload"];

	$cleanupTargetDir = true; // Remove old files
	$maxFileAge = 5 * 3600; // Temp file age in seconds

	// 5 minutes execution time
	@set_time_limit(5 * 60);

	// Get parameters
	$chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
	$chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 0;
	$fileName = isset($_REQUEST["name"]) ? $_REQUEST["name"] : '';

	// Clean the fileName for security reasons
	$fileName = preg_replace('/[^\w\._]+/', '_', $fileName);

	// Make sure the fileName is unique but only if chunking is disabled
	if ($chunks < 2 && file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName))
	{
		$ext = strrpos($fileName, '.');

		$fileName_a = substr($fileName, 0, $ext);

		$fileName_b = substr($fileName, $ext);

		$count = 1;
		while (file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName_a . '_' . $count . $fileName_b))
			$count++;

		$fileName = $fileName_a . '_' . $count . $fileName_b;
	}

	$filePath = $targetDir . DIRECTORY_SEPARATOR . $_FILES['file']['name'];

	// Create target dir
	if (!file_exists($targetDir))
		@mkdir($targetDir, 0777);

	// Remove old temp files
	if ($cleanupTargetDir && is_dir($targetDir) && ($dir = opendir($targetDir))) {
		while (($file = readdir($dir)) !== false) {
			$tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;

			// Remove temp file if it is older than the max age and is not the current file
			if (preg_match('/\.part$/', $file) && (filemtime($tmpfilePath) < time() - $maxFileAge) && ($tmpfilePath != "{$filePath}.part")) {
				@unlink($tmpfilePath);
			}
		}

		closedir($dir);
	} else
		die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');


	// Look for the content type header
	if (isset($_SERVER["HTTP_CONTENT_TYPE"]))
		$contentType = $_SERVER["HTTP_CONTENT_TYPE"];

	if (isset($_SERVER["CONTENT_TYPE"]))
		$contentType = $_SERVER["CONTENT_TYPE"];

	// Handle non multipart uploads older WebKit versions didn't support multipart in HTML5
	if (strpos($contentType, "multipart") !== false) {
		if (isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) {
			// Open temp file
			$out = fopen("{$filePath}.part", $chunk == 0 ? "wb" : "ab");
			if ($out) {
				// Read binary input stream and append it to temp file
				$in = fopen($_FILES['file']['tmp_name'], "rb");

				if ($in) {
					while ($buff = fread($in, 4096))
						fwrite($out, $buff);
				} else
					die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
				fclose($in);
				fclose($out);
				@unlink($_FILES['file']['tmp_name']);
			} else
				die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
		} else
			die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
	} else {
		// Open temp file
		$out = fopen("{$filePath}.part", $chunk == 0 ? "wb" : "ab");
		if ($out) {
			// Read binary input stream and append it to temp file
			$in = fopen("php://input", "rb");

			if ($in) {
				while ($buff = fread($in, 4096))
					fwrite($out, $buff);
			} else
				die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');

			fclose($in);
			fclose($out);
		} else
			die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
	}

	// Check if file has been uploaded
	if (!$chunks || $chunk == $chunks - 1) {
		// Strip the temp .part suffix off
		rename("{$filePath}.part", $filePath);
	}


	// Return JSON-RPC response
	die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');

?>