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+++ b/mod/lightpics/vendors/jquery-file-upload/server/php/upload.class.php
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+<?php
+/*
+ * jQuery File Upload Plugin PHP Class 5.11.2
+ * https://github.com/blueimp/jQuery-File-Upload
+ *
+ * Copyright 2010, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://www.opensource.org/licenses/MIT
+ */
+
+class UploadHandler
+{
+ protected $options;
+
+ function __construct($options=null) {
+ $this->options = array(
+ 'script_url' => $this->getFullUrl().'/',
+ 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/files/',
+ 'upload_url' => $this->getFullUrl().'/files/',
+ 'param_name' => 'files',
+ // Set the following option to 'POST', if your server does not support
+ // DELETE requests. This is a parameter sent to the client:
+ 'delete_type' => 'DELETE',
+ // The php.ini settings upload_max_filesize and post_max_size
+ // take precedence over the following max_file_size setting:
+ 'max_file_size' => null,
+ 'min_file_size' => 1,
+ 'accept_file_types' => '/.+$/i',
+ // The maximum number of files for the upload directory:
+ 'max_number_of_files' => null,
+ // Image resolution restrictions:
+ 'max_width' => null,
+ 'max_height' => null,
+ 'min_width' => 1,
+ 'min_height' => 1,
+ // Set the following option to false to enable resumable uploads:
+ 'discard_aborted_uploads' => true,
+ // Set to true to rotate images based on EXIF meta data, if available:
+ 'orient_image' => false,
+ 'image_versions' => array(
+ // Uncomment the following version to restrict the size of
+ // uploaded images. You can also add additional versions with
+ // their own upload directories:
+ /*
+ 'large' => array(
+ 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/files/',
+ 'upload_url' => $this->getFullUrl().'/files/',
+ 'max_width' => 1920,
+ 'max_height' => 1200,
+ 'jpeg_quality' => 95
+ ),
+ */
+ 'thumbnail' => array(
+ 'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/thumbnails/',
+ 'upload_url' => $this->getFullUrl().'/thumbnails/',
+ 'max_width' => 80,
+ 'max_height' => 80
+ )
+ )
+ );
+ if ($options) {
+ $this->options = array_replace_recursive($this->options, $options);
+ }
+ }
+
+ protected function getFullUrl() {
+ $https = !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off';
+ return
+ ($https ? 'https://' : 'http://').
+ (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').
+ (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].
+ ($https && $_SERVER['SERVER_PORT'] === 443 ||
+ $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).
+ substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
+ }
+
+ protected function set_file_delete_url($file) {
+ $file->delete_url = $this->options['script_url']
+ .'?file='.rawurlencode($file->name);
+ $file->delete_type = $this->options['delete_type'];
+ if ($file->delete_type !== 'DELETE') {
+ $file->delete_url .= '&_method=DELETE';
+ }
+ }
+
+ protected function get_file_object($file_name) {
+ $file_path = $this->options['upload_dir'].$file_name;
+ if (is_file($file_path) && $file_name[0] !== '.') {
+ $file = new stdClass();
+ $file->name = $file_name;
+ $file->size = filesize($file_path);
+ $file->url = $this->options['upload_url'].rawurlencode($file->name);
+ foreach($this->options['image_versions'] as $version => $options) {
+ if (is_file($options['upload_dir'].$file_name)) {
+ $file->{$version.'_url'} = $options['upload_url']
+ .rawurlencode($file->name);
+ }
+ }
+ $this->set_file_delete_url($file);
+ return $file;
+ }
+ return null;
+ }
+
+ protected function get_file_objects() {
+ return array_values(array_filter(array_map(
+ array($this, 'get_file_object'),
+ scandir($this->options['upload_dir'])
+ )));
+ }
+
+ protected function create_scaled_image($file_name, $options) {
+ $file_path = $this->options['upload_dir'].$file_name;
+ $new_file_path = $options['upload_dir'].$file_name;
+ list($img_width, $img_height) = @getimagesize($file_path);
+ if (!$img_width || !$img_height) {
+ return false;
+ }
+ $scale = min(
+ $options['max_width'] / $img_width,
+ $options['max_height'] / $img_height
+ );
+ if ($scale >= 1) {
+ if ($file_path !== $new_file_path) {
+ return copy($file_path, $new_file_path);
+ }
+ return true;
+ }
+ $new_width = $img_width * $scale;
+ $new_height = $img_height * $scale;
+ $new_img = @imagecreatetruecolor($new_width, $new_height);
+ switch (strtolower(substr(strrchr($file_name, '.'), 1))) {
+ case 'jpg':
+ case 'jpeg':
+ $src_img = @imagecreatefromjpeg($file_path);
+ $write_image = 'imagejpeg';
+ $image_quality = isset($options['jpeg_quality']) ?
+ $options['jpeg_quality'] : 75;
+ break;
+ case 'gif':
+ @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0));
+ $src_img = @imagecreatefromgif($file_path);
+ $write_image = 'imagegif';
+ $image_quality = null;
+ break;
+ case 'png':
+ @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0));
+ @imagealphablending($new_img, false);
+ @imagesavealpha($new_img, true);
+ $src_img = @imagecreatefrompng($file_path);
+ $write_image = 'imagepng';
+ $image_quality = isset($options['png_quality']) ?
+ $options['png_quality'] : 9;
+ break;
+ default:
+ $src_img = null;
+ }
+ $success = $src_img && @imagecopyresampled(
+ $new_img,
+ $src_img,
+ 0, 0, 0, 0,
+ $new_width,
+ $new_height,
+ $img_width,
+ $img_height
+ ) && $write_image($new_img, $new_file_path, $image_quality);
+ // Free up memory (imagedestroy does not delete files):
+ @imagedestroy($src_img);
+ @imagedestroy($new_img);
+ return $success;
+ }
+
+ protected function validate($uploaded_file, $file, $error, $index) {
+ if ($error) {
+ $file->error = $error;
+ return false;
+ }
+ if (!$file->name) {
+ $file->error = 'missingFileName';
+ return false;
+ }
+ if (!preg_match($this->options['accept_file_types'], $file->name)) {
+ $file->error = 'acceptFileTypes';
+ return false;
+ }
+ if ($uploaded_file && is_uploaded_file($uploaded_file)) {
+ $file_size = filesize($uploaded_file);
+ } else {
+ $file_size = $_SERVER['CONTENT_LENGTH'];
+ }
+ if ($this->options['max_file_size'] && (
+ $file_size > $this->options['max_file_size'] ||
+ $file->size > $this->options['max_file_size'])
+ ) {
+ $file->error = 'maxFileSize';
+ return false;
+ }
+ if ($this->options['min_file_size'] &&
+ $file_size < $this->options['min_file_size']) {
+ $file->error = 'minFileSize';
+ return false;
+ }
+ if (is_int($this->options['max_number_of_files']) && (
+ count($this->get_file_objects()) >= $this->options['max_number_of_files'])
+ ) {
+ $file->error = 'maxNumberOfFiles';
+ return false;
+ }
+ list($img_width, $img_height) = @getimagesize($uploaded_file);
+ if (is_int($img_width)) {
+ if ($this->options['max_width'] && $img_width > $this->options['max_width'] ||
+ $this->options['max_height'] && $img_height > $this->options['max_height']) {
+ $file->error = 'maxResolution';
+ return false;
+ }
+ if ($this->options['min_width'] && $img_width < $this->options['min_width'] ||
+ $this->options['min_height'] && $img_height < $this->options['min_height']) {
+ $file->error = 'minResolution';
+ return false;
+ }
+ }
+ return true;
+ }
+
+ protected function upcount_name_callback($matches) {
+ $index = isset($matches[1]) ? intval($matches[1]) + 1 : 1;
+ $ext = isset($matches[2]) ? $matches[2] : '';
+ return ' ('.$index.')'.$ext;
+ }
+
+ protected function upcount_name($name) {
+ return preg_replace_callback(
+ '/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/',
+ array($this, 'upcount_name_callback'),
+ $name,
+ 1
+ );
+ }
+
+ protected function trim_file_name($name, $type, $index) {
+ // Remove path information and dots around the filename, to prevent uploading
+ // into different directories or replacing hidden system files.
+ // Also remove control characters and spaces (\x00..\x20) around the filename:
+ $file_name = trim(basename(stripslashes($name)), ".\x00..\x20");
+ // Add missing file extension for known image types:
+ if (strpos($file_name, '.') === false &&
+ preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) {
+ $file_name .= '.'.$matches[1];
+ }
+ if ($this->options['discard_aborted_uploads']) {
+ while(is_file($this->options['upload_dir'].$file_name)) {
+ $file_name = $this->upcount_name($file_name);
+ }
+ }
+ return $file_name;
+ }
+
+ protected function handle_form_data($file, $index) {
+ // Handle form data, e.g. $_REQUEST['description'][$index]
+ }
+
+ protected function orient_image($file_path) {
+ $exif = @exif_read_data($file_path);
+ if ($exif === false) {
+ return false;
+ }
+ $orientation = intval(@$exif['Orientation']);
+ if (!in_array($orientation, array(3, 6, 8))) {
+ return false;
+ }
+ $image = @imagecreatefromjpeg($file_path);
+ switch ($orientation) {
+ case 3:
+ $image = @imagerotate($image, 180, 0);
+ break;
+ case 6:
+ $image = @imagerotate($image, 270, 0);
+ break;
+ case 8:
+ $image = @imagerotate($image, 90, 0);
+ break;
+ default:
+ return false;
+ }
+ $success = imagejpeg($image, $file_path);
+ // Free up memory (imagedestroy does not delete files):
+ @imagedestroy($image);
+ return $success;
+ }
+
+ protected function handle_file_upload($uploaded_file, $name, $size, $type, $error, $index = null) {
+ $file = new stdClass();
+ $file->name = $this->trim_file_name($name, $type, $index);
+ $file->size = intval($size);
+ $file->type = $type;
+ if ($this->validate($uploaded_file, $file, $error, $index)) {
+ $this->handle_form_data($file, $index);
+ $file_path = $this->options['upload_dir'].$file->name;
+ $append_file = !$this->options['discard_aborted_uploads'] &&
+ is_file($file_path) && $file->size > filesize($file_path);
+ clearstatcache();
+ if ($uploaded_file && is_uploaded_file($uploaded_file)) {
+ // multipart/formdata uploads (POST method uploads)
+ if ($append_file) {
+ file_put_contents(
+ $file_path,
+ fopen($uploaded_file, 'r'),
+ FILE_APPEND
+ );
+ } else {
+ move_uploaded_file($uploaded_file, $file_path);
+ }
+ } else {
+ // Non-multipart uploads (PUT method support)
+ file_put_contents(
+ $file_path,
+ fopen('php://input', 'r'),
+ $append_file ? FILE_APPEND : 0
+ );
+ }
+ $file_size = filesize($file_path);
+ if ($file_size === $file->size) {
+ if ($this->options['orient_image']) {
+ $this->orient_image($file_path);
+ }
+ $file->url = $this->options['upload_url'].rawurlencode($file->name);
+ foreach($this->options['image_versions'] as $version => $options) {
+ if ($this->create_scaled_image($file->name, $options)) {
+ if ($this->options['upload_dir'] !== $options['upload_dir']) {
+ $file->{$version.'_url'} = $options['upload_url']
+ .rawurlencode($file->name);
+ } else {
+ clearstatcache();
+ $file_size = filesize($file_path);
+ }
+ }
+ }
+ } else if ($this->options['discard_aborted_uploads']) {
+ unlink($file_path);
+ $file->error = 'abort';
+ }
+ $file->size = $file_size;
+ $this->set_file_delete_url($file);
+ }
+ return $file;
+ }
+
+ public function get() {
+ $file_name = isset($_REQUEST['file']) ?
+ basename(stripslashes($_REQUEST['file'])) : null;
+ if ($file_name) {
+ $info = $this->get_file_object($file_name);
+ } else {
+ $info = $this->get_file_objects();
+ }
+ header('Content-type: application/json');
+ echo json_encode($info);
+ }
+
+ public function post() {
+ if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') {
+ return $this->delete();
+ }
+ $upload = isset($_FILES[$this->options['param_name']]) ?
+ $_FILES[$this->options['param_name']] : null;
+ $info = array();
+ if ($upload && is_array($upload['tmp_name'])) {
+ // param_name is an array identifier like "files[]",
+ // $_FILES is a multi-dimensional array:
+ foreach ($upload['tmp_name'] as $index => $value) {
+ $info[] = $this->handle_file_upload(
+ $upload['tmp_name'][$index],
+ isset($_SERVER['HTTP_X_FILE_NAME']) ?
+ $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index],
+ isset($_SERVER['HTTP_X_FILE_SIZE']) ?
+ $_SERVER['HTTP_X_FILE_SIZE'] : $upload['size'][$index],
+ isset($_SERVER['HTTP_X_FILE_TYPE']) ?
+ $_SERVER['HTTP_X_FILE_TYPE'] : $upload['type'][$index],
+ $upload['error'][$index],
+ $index
+ );
+ }
+ } elseif ($upload || isset($_SERVER['HTTP_X_FILE_NAME'])) {
+ // param_name is a single object identifier like "file",
+ // $_FILES is a one-dimensional array:
+ $info[] = $this->handle_file_upload(
+ isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
+ isset($_SERVER['HTTP_X_FILE_NAME']) ?
+ $_SERVER['HTTP_X_FILE_NAME'] : (isset($upload['name']) ?
+ $upload['name'] : null),
+ isset($_SERVER['HTTP_X_FILE_SIZE']) ?
+ $_SERVER['HTTP_X_FILE_SIZE'] : (isset($upload['size']) ?
+ $upload['size'] : null),
+ isset($_SERVER['HTTP_X_FILE_TYPE']) ?
+ $_SERVER['HTTP_X_FILE_TYPE'] : (isset($upload['type']) ?
+ $upload['type'] : null),
+ isset($upload['error']) ? $upload['error'] : null
+ );
+ }
+ header('Vary: Accept');
+ $json = json_encode($info);
+ $redirect = isset($_REQUEST['redirect']) ?
+ stripslashes($_REQUEST['redirect']) : null;
+ if ($redirect) {
+ header('Location: '.sprintf($redirect, rawurlencode($json)));
+ return;
+ }
+ if (isset($_SERVER['HTTP_ACCEPT']) &&
+ (strpos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false)) {
+ header('Content-type: application/json');
+ } else {
+ header('Content-type: text/plain');
+ }
+ echo $json;
+ }
+
+ public function delete() {
+ $file_name = isset($_REQUEST['file']) ?
+ basename(stripslashes($_REQUEST['file'])) : null;
+ $file_path = $this->options['upload_dir'].$file_name;
+ $success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
+ if ($success) {
+ foreach($this->options['image_versions'] as $version => $options) {
+ $file = $options['upload_dir'].$file_name;
+ if (is_file($file)) {
+ unlink($file);
+ }
+ }
+ }
+ header('Content-type: application/json');
+ echo json_encode($success);
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-03 02:09:54 +0000