fine-uploader php的demo

<?php /** * Do not use or reference this directly from your client-side code. * Instead, this should be required via the endpoint.php or endpoint-cors.php * file(s). */ class UploadHandler { public $allowedExtensions = array(); public $sizeLimit = null; public $inputName = 'qqfile'; public $chunksFolder = 'chunks'; public $chunksCleanupProbability = 0.001; // Once in 1000 requests on avg public $chunksExpireIn = 604800; // One week protected $uploadName; /** * Get the original filename */ public function getName(){ if (isset($_REQUEST['qqfilename'])) return $_REQUEST['qqfilename']; if (isset($_FILES[$this->inputName])) return $_FILES[$this->inputName]['name']; } public function getInitialFiles() { $initialFiles = array(); for ($i = 0; $i < 5000; $i++) { array_push($initialFiles, array("name" => "name" + $i, uuid => "uuid" + $i, thumbnailUrl => "/test/dev/handlers/vendor/fineuploader/php-traditional-server/fu.png")); } return $initialFiles; } /** * Get the name of the uploaded file */ public function getUploadName(){ return $this->uploadName; } public function combineChunks($uploadDirectory, $name = null) { $uuid = $_POST['qquuid']; if ($name === null){ $name = $this->getName(); } $targetFolder = $this->chunksFolder.DIRECTORY_SEPARATOR.$uuid; $totalParts = isset($_REQUEST['qqtotalparts']) ? (int)$_REQUEST['qqtotalparts'] : 1; $targetPath = join(DIRECTORY_SEPARATOR, array($uploadDirectory, $uuid, $name)); $this->uploadName = $name; if (!file_exists($targetPath)){ mkdir(dirname($targetPath), 0777, true); } $target = fopen($targetPath, 'wb'); for ($i=0; $i<$totalParts; $i++){ $chunk = fopen($targetFolder.DIRECTORY_SEPARATOR.$i, "rb"); stream_copy_to_stream($chunk, $target); fclose($chunk); } // Success fclose($target); for ($i=0; $i<$totalParts; $i++){ unlink($targetFolder.DIRECTORY_SEPARATOR.$i); } rmdir($targetFolder); if (!is_null($this->sizeLimit) && filesize($targetPath) > $this->sizeLimit) { unlink($targetPath); http_response_code(413); return array("success" => false, "uuid" => $uuid, "preventRetry" => true); } return array("success" => true, "uuid" => $uuid); } /** * Process the upload. * @param string $uploadDirectory Target directory. * @param string $name Overwrites the name of the file. */ public function handleUpload($uploadDirectory, $name = null){ if (is_writable($this->chunksFolder) && 1 == mt_rand(1, 1/$this->chunksCleanupProbability)){ // Run garbage collection $this->cleanupChunks(); } // Check that the max upload size specified in class configuration does not // exceed size allowed by server config if ($this->toBytes(ini_get('post_max_size')) < $this->sizeLimit || $this->toBytes(ini_get('upload_max_filesize')) < $this->sizeLimit){ $neededRequestSize = max(1, $this->sizeLimit / 1024 / 1024) . 'M'; return array('error'=>"Server error. Increase post_max_size and upload_max_filesize to ".$neededRequestSize); } if ($this->isInaccessible($uploadDirectory)){ return array('error' => "Server error. Uploads directory isn't writable"); } $type = $_SERVER['CONTENT_TYPE']; if (isset($_SERVER['HTTP_CONTENT_TYPE'])) { $type = $_SERVER['HTTP_CONTENT_TYPE']; } if(!isset($type)) { return array('error' => "No files were uploaded."); } else if (strpos(strtolower($type), 'multipart/') !== 0){ return array('error' => "Server error. Not a multipart request. Please set forceMultipart to default value (true)."); } // Get size and name $file = $_FILES[$this->inputName]; $size = $file['size']; if (isset($_REQUEST['qqtotalfilesize'])) { $size = $_REQUEST['qqtotalfilesize']; } if ($name === null){ $name = $this->getName(); } // check file error if($file['error']) { return array('error' => 'Upload Error #'.$file['error']); } // Validate name if ($name === null || $name === ''){ return array('error' => 'File name empty.'); } // Validate file size if ($size == 0){ return array('error' => 'File is empty.'); } if (!is_null($this->sizeLimit) && $size > $this->sizeLimit) { return array('error' => 'File is too large.', 'preventRetry' => true); } // Validate file extension $pathinfo = pathinfo($name); $ext = isset($pathinfo['extension']) ? $pathinfo['extension'] : ''; if($this->allowedExtensions && !in_array(strtolower($ext), array_map("strtolower", $this->allowedExtensions))){ $these = implode(', ', $this->allowedExtensions); return array('error' => 'File has an invalid extension, it should be one of '. $these . '.'); } // Save a chunk $totalParts = isset($_REQUEST['qqtotalparts']) ? (int)$_REQUEST['qqtotalparts'] : 1; $uuid = $_REQUEST['qquuid']; if ($totalParts > 1){ # chunked upload $chunksFolder = $this->chunksFolder; $partIndex = (int)$_REQUEST['qqpartindex']; if (!is_writable($chunksFolder) && !is_executable($uploadDirectory)){ return array('error' => "Server error. Chunks directory isn't writable or executable."); } $targetFolder = $this->chunksFolder.DIRECTORY_SEPARATOR.$uuid; if (!file_exists($targetFolder)){ mkdir($targetFolder, 0777, true); } $target = $targetFolder.'/'.$partIndex; $success = move_uploaded_file($_FILES[$this->inputName]['tmp_name'], $target); return array("success" => true, "uuid" => $uuid); } else { # non-chunked upload $target = join(DIRECTORY_SEPARATOR, array($uploadDirectory, $uuid, $name)); if ($target){ $this->uploadName = basename($target); if (!is_dir(dirname($target))){ mkdir(dirname($target), 0777, true); } if (move_uploaded_file($file['tmp_name'], $target)){ return array('success'=> true, "uuid" => $uuid); } } return array('error'=> 'Could not save uploaded file.' . 'The upload was cancelled, or server error encountered'); } } /** * Process a delete. * @param string $uploadDirectory Target directory. * @params string $name Overwrites the name of the file. * */ public function handleDelete($uploadDirectory, $name=null) { if ($this->isInaccessible($uploadDirectory)) { return array('error' => "Server error. Uploads directory isn't writable" . ((!$this->isWindows()) ? " or executable." : ".")); } $targetFolder = $uploadDirectory; $uuid = false; $method = $_SERVER["REQUEST_METHOD"]; if ($method == "DELETE") { $url = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); $tokens = explode('/', $url); $uuid = $tokens[sizeof($tokens)-1]; } else if ($method == "POST") { $uuid = $_REQUEST['qquuid']; } else { return array("success" => false, "error" => "Invalid request method! ".$method ); } $target =