<?php
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/**
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* upload.php
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*
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* Copyright 2013, Moxiecode Systems AB
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* Released under GPL License.
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*
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* License: http://www.plupload.com/license
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* Contributing: http://www.plupload.com/contributing
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*/
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#!! 注意
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#!! 此文件只是个示例，不要用于真正的产品之中。
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#!! 不保证代码安全性。
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#!! IMPORTANT:
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#!! this file is just an example, it doesn't incorporate any security checks and
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#!! is not recommended to be used in production environment as it is. Be sure to
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#!! revise it and customize to your needs.
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// Make sure file is not cached (as it happens for example on iOS devices)
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Cache-Control: post-check=0, pre-check=0", false);
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header("Pragma: no-cache");
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// Support CORS
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// header("Access-Control-Allow-Origin: *");
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// other CORS headers if any...
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if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
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exit; // finish preflight CORS requests here
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}
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if ( !empty($_REQUEST[ 'debug' ]) ) {
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$random = rand(0, intval($_REQUEST[ 'debug' ]) );
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if ( $random === 0 ) {
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header("HTTP/1.0 500 Internal Server Error");
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exit;
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}
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}
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// header("HTTP/1.0 500 Internal Server Error");
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// exit;
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// 5 minutes execution time
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@set_time_limit(5 * 60);
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// Uncomment this one to fake upload time
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// usleep(5000);
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// Settings
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// $targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
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$targetDir = 'upload_tmp';
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$uploadDir = 'upload';
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$cleanupTargetDir = true; // Remove old files
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$maxFileAge = 5 * 3600; // Temp file age in seconds
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// Create target dir
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if (!file_exists($targetDir)) {
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@mkdir($targetDir);
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}
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// Create target dir
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if (!file_exists($uploadDir)) {
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@mkdir($uploadDir);
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}
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// Get a file name
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if (isset($_REQUEST["name"])) {
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$fileName = $_REQUEST["name"];
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} elseif (!empty($_FILES)) {
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$fileName = $_FILES["file"]["name"];
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} else {
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$fileName = uniqid("file_");
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}
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$filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;
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$uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;
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// Chunking might be enabled
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$chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
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$chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;
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// Remove old temp files
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if ($cleanupTargetDir) {
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if (!is_dir($targetDir) || !$dir = opendir($targetDir)) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');
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}
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while (($file = readdir($dir)) !== false) {
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$tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;
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// If temp file is current file proceed to the next
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if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") {
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continue;
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}
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// Remove temp file if it is older than the max age and is not the current file
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if (preg_match('/\.(part|parttmp)$/', $file) && (@filemtime($tmpfilePath) < time() - $maxFileAge)) {
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@unlink($tmpfilePath);
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}
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}
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closedir($dir);
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}
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// Open temp file
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if (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
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}
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if (!empty($_FILES)) {
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if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
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}
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// Read binary input stream and append it to temp file
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if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
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}
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} else {
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if (!$in = @fopen("php://input", "rb")) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
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}
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}
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while ($buff = fread($in, 4096)) {
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fwrite($out, $buff);
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}
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@fclose($out);
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@fclose($in);
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rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");
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$index = 0;
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$done = true;
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for( $index = 0; $index < $chunks; $index++ ) {
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if ( !file_exists("{$filePath}_{$index}.part") ) {
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$done = false;
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break;
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}
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}
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if ( $done ) {
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if (!$out = @fopen($uploadPath, "wb")) {
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die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
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}
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if ( flock($out, LOCK_EX) ) {
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for( $index = 0; $index < $chunks; $index++ ) {
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if (!$in = @fopen("{$filePath}_{$index}.part", "rb")) {
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break;
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}
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while ($buff = fread($in, 4096)) {
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fwrite($out, $buff);
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}
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@fclose($in);
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@unlink("{$filePath}_{$index}.part");
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}
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flock($out, LOCK_UN);
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}
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@fclose($out);
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}
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// Return Success JSON-RPC response
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die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
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