113 lines
2.8 KiB
PHP
Executable File
113 lines
2.8 KiB
PHP
Executable File
<?php
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namespace FileUpload;
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use \FileUpload\Core\qqUploadedFileForm;
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use \FileUpload\Core\qqUploadedFileXhr;
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class qqFileUploader
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{
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private $allowedExtensions = array();
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private $sizeLimit = 10485760;
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private $file;
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public function __construct(array $allowedExtensions = array(), $sizeLimit = 10485760)
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{
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$allowedExtensions = array_map("strtolower", $allowedExtensions);
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$this->allowedExtensions = $allowedExtensions;
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$this->sizeLimit = $sizeLimit;
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$this->checkServerSettings();
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if (isset($_GET['qqfile'])) {
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$this->file = new qqUploadedFileXhr();
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} elseif (isset($_FILES['qqfile'])) {
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$this->file = new qqUploadedFileForm();
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} else {
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$this->file = false;
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}
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}
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private function checkServerSettings()
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{
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$postSize = $this->toBytes(ini_get('post_max_size'));
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$uploadSize = $this->toBytes(ini_get('upload_max_filesize'));
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if ($postSize < $this->sizeLimit || $uploadSize < $this->sizeLimit) {
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$size = max(1, $this->sizeLimit / 1024 / 1024) . 'M';
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die("{'error':'increase post_max_size and upload_max_filesize to $size'}");
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}
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}
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private function toBytes($str)
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{
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$val = trim($str);
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$last = strtolower($str[strlen($str)-1]);
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switch ($last) {
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case 'g':
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$val *= 1024;
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// no break
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case 'm':
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$val *= 1024;
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// no break
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case 'k':
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$val *= 1024;
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}
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return $val;
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}
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/**
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* Returns array('success'=>true) or array('error'=>'error message')
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*/
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public function handleUpload($uploadDirectory, $replaceOldFile = false)
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{
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if (!is_writable($uploadDirectory)) {
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return array('error' => "Server error. Upload directory isn't writable.");
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}
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if (!$this->file) {
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return array('error' => 'No files were uploaded.');
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}
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$size = $this->file->getSize();
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if ($size == 0) {
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return array('error' => 'File is empty');
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}
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if ($size > $this->sizeLimit) {
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return array('error' => 'File is too large');
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}
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$pathinfo = pathinfo($this->file->getName());
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$filename = $pathinfo['filename'];
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//$filename = md5(uniqid());
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$ext = $pathinfo['extension'];
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if ($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)) {
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$these = implode(', ', $this->allowedExtensions);
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return array('error' => 'File has an invalid extension, it should be one of '. $these . '.');
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}
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if (!$replaceOldFile) {
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/// don't overwrite previous files that were uploaded
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while (file_exists($uploadDirectory . $filename . '.' . $ext)) {
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$filename .= rand(10, 99);
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}
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}
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$this->uploadFileName = $uploadDirectory . $filename . '.' . $ext;
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$this->uploadFileExt = $ext;
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if ($this->file->save($uploadDirectory . $filename . '.' . $ext)) {
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return array('success' => true);
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} else {
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return array('error' => 'Could not save uploaded file.' .
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'The upload was cancelled, or server error encountered');
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}
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}
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}
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// __END__
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