<?php
/**
 * upload.php
 *
 * Copyright 2009, Moxiecode Systems AB
 * Released under GPL License.
 *
 * License: http://www.plupload.com/license
 * Contributing: http://www.plupload.com/contributing
 */
  //include_once "header.php";
 
	// HTTP headers for no cache etc
	header('Content-type: text/plain; charset=UTF-8');
	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");
	// Settings
	$targetDir = $_REQUEST['to_dir'];
	$cleanupTargetDir = false; // Remove old files
	$maxFileAge = 60 * 60; // Temp file age in seconds

	// 5 minutes execution time
	@set_time_limit(5 * 60);
	// usleep(5000);

	// Get parameters
	$chunk = isset($_REQUEST["chunk"]) ? $_REQUEST["chunk"] : 0;
	$chunks = isset($_REQUEST["chunks"]) ? $_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
	if (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;
	}

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

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

			// Remove temp files if they are older than the max age
			if (preg_match('/\\.tmp$/', $file) && (filemtime($filePath) < time() - $maxFileAge))
				@unlink($filePath);
		}

		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"];

	if (strpos($contentType, "multipart") !== false) {
		if (isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) {
			// Open temp file
			$out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab");
			if ($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($out);
				unlink($_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
		$out = fopen($targetDir . DIRECTORY_SEPARATOR . $fileName, $chunk == 0 ? "wb" : "ab");
		if ($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($out);
		} else
			die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
	}

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