for whatever reason there were two of these

(cherry picked from commit 7ed197f46b189601ac043f4bfeab41204a43488b)

1 files changed, 0 insertions, 1329 deletions

diff --git a/library/jqupload/server/php/UploadHandler.php b/library/jqupload/server/php/UploadHandler.php
deleted file mode 100644
index 66545b12a..000000000
--- a/library/jqupload/server/php/UploadHandler.php
+++ /dev/null
@@ -1,1329 +0,0 @@
-<?php
-/*
- * jQuery File Upload Plugin PHP Class 7.1.3
- * 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;
-
-    // PHP File Upload error message codes:
-    // http://php.net/manual/en/features.file-upload.errors.php
-    protected $error_messages = array(
-        1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
-        2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
-        3 => 'The uploaded file was only partially uploaded',
-        4 => 'No file was uploaded',
-        6 => 'Missing a temporary folder',
-        7 => 'Failed to write file to disk',
-        8 => 'A PHP extension stopped the file upload',
-        'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini',
-        'max_file_size' => 'File is too big',
-        'min_file_size' => 'File is too small',
-        'accept_file_types' => 'Filetype not allowed',
-        'max_number_of_files' => 'Maximum number of files exceeded',
-        'max_width' => 'Image exceeds maximum width',
-        'min_width' => 'Image requires a minimum width',
-        'max_height' => 'Image exceeds maximum height',
-        'min_height' => 'Image requires a minimum height',
-        'abort' => 'File upload aborted',
-        'image_resize' => 'Failed to resize image'
-    );
-
-    protected $image_objects = array();
-
-    function __construct($options = null, $initialize = true, $error_messages = null) {
-        $this->options = array(
-            'script_url' => $this->get_full_url().'/',
-            'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/files/',
-            'upload_url' => $this->get_full_url().'/files/',
-            'user_dirs' => false,
-            'mkdir_mode' => 0755,
-            'param_name' => 'files',
-            // Set the following option to 'POST', if your server does not support
-            // DELETE requests. This is a parameter sent to the client:
-            'delete_type' => 'DELETE',
-            'access_control_allow_origin' => '*',
-            'access_control_allow_credentials' => false,
-            'access_control_allow_methods' => array(
-                'OPTIONS',
-                'HEAD',
-                'GET',
-                'POST',
-                'PUT',
-                'PATCH',
-                'DELETE'
-            ),
-            'access_control_allow_headers' => array(
-                'Content-Type',
-                'Content-Range',
-                'Content-Disposition'
-            ),
-            // Enable to provide file downloads via GET requests to the PHP script:
-            //     1. Set to 1 to download files via readfile method through PHP
-            //     2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
-            //     3. Set to 3 to send a X-Accel-Redirect header for nginx
-            // If set to 2 or 3, adjust the upload_url option to the base path of
-            // the redirect parameter, e.g. '/files/'.
-            'download_via_php' => false,
-            // Read files in chunks to avoid memory limits when download_via_php
-            // is enabled, set to 0 to disable chunked reading of files:
-            'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
-            // Defines which files can be displayed inline when downloaded:
-            'inline_file_types' => '/\.(gif|jpe?g|png)$/i',
-            // Defines which files (based on their names) are accepted for upload:
-            'accept_file_types' => '/.+$/i',
-            // The php.ini settings upload_max_filesize and post_max_size
-            // take precedence over the following max_file_size setting:
-            'max_file_size' => null,
-            'min_file_size' => 1,
-            // The maximum number of files for the upload directory:
-            'max_number_of_files' => null,
-            // Defines which files are handled as image files:
-            'image_file_types' => '/\.(gif|jpe?g|png)$/i',
-            // 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 0 to use the GD library to scale and orient images,
-            // set to 1 to use imagick (if installed, falls back to GD),
-            // set to 2 to use the ImageMagick convert binary directly:
-            'image_library' => 1,
-            // Uncomment the following to define an array of resource limits
-            // for imagick:
-            /*
-            'imagick_resource_limits' => array(
-                imagick::RESOURCETYPE_MAP => 32,
-                imagick::RESOURCETYPE_MEMORY => 32
-            ),
-            */
-            // Command or path for to the ImageMagick convert binary:
-            'convert_bin' => 'convert',
-            // Uncomment the following to add parameters in front of each
-            // ImageMagick convert call (the limit constraints seem only
-            // to have an effect if put in front):
-            /*
-            'convert_params' => '-limit memory 32MiB -limit map 32MiB',
-            */
-            // Command or path for to the ImageMagick identify binary:
-            'identify_bin' => 'identify',
-            'image_versions' => array(
-                // The empty image version key defines options for the original image:
-                '' => array(
-                    // Automatically rotate images based on EXIF meta data:
-                    'auto_orient' => true
-                ),
-                // Uncomment the following to create medium sized images:
-                /*
-                'medium' => array(
-                    'max_width' => 800,
-                    'max_height' => 600
-                ),
-                */
-                'thumbnail' => array(
-                    // Uncomment the following to use a defined directory for the thumbnails
-                    // instead of a subdirectory based on the version identifier.
-                    // Make sure that this directory doesn't allow execution of files if you
-                    // don't pose any restrictions on the type of uploaded files, e.g. by
-                    // copying the .htaccess file from the files directory for Apache:
-                    //'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/thumb/',
-                    //'upload_url' => $this->get_full_url().'/thumb/',
-                    // Uncomment the following to force the max
-                    // dimensions and e.g. create square thumbnails:
-                    //'crop' => true,
-                    'max_width' => 80,
-                    'max_height' => 80
-                )
-            )
-        );
-        if ($options) {
-            $this->options = $options + $this->options;
-        }
-        if ($error_messages) {
-            $this->error_messages = $error_messages + $this->error_messages;
-        }
-        if ($initialize) {
-            $this->initialize();
-        }
-    }
-
-    protected function initialize() {
-        switch ($this->get_server_var('REQUEST_METHOD')) {
-            case 'OPTIONS':
-            case 'HEAD':
-                $this->head();
-                break;
-            case 'GET':
-                $this->get();
-                break;
-            case 'PATCH':
-            case 'PUT':
-            case 'POST':
-                $this->post();
-                break;
-            case 'DELETE':
-                $this->delete();
-                break;
-            default:
-                $this->header('HTTP/1.1 405 Method Not Allowed');
-        }
-    }
-
-    protected function get_full_url() {
-        $https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0;
-        return
-            ($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 get_user_id() {
-        @session_start();
-        return session_id();
-    }
-
-    protected function get_user_path() {
-        if ($this->options['user_dirs']) {
-            return $this->get_user_id().'/';
-        }
-        return '';
-    }
-
-    protected function get_upload_path($file_name = null, $version = null) {
-        $file_name = $file_name ? $file_name : '';
-        if (empty($version)) {
-            $version_path = '';
-        } else {
-            $version_dir = @$this->options['image_versions'][$version]['upload_dir'];
-            if ($version_dir) {
-                return $version_dir.$this->get_user_path().$file_name;
-            }
-            $version_path = $version.'/';
-        }
-        return $this->options['upload_dir'].$this->get_user_path()
-            .$version_path.$file_name;
-    }
-
-    protected function get_query_separator($url) {
-        return strpos($url, '?') === false ? '?' : '&';
-    }
-
-    protected function get_download_url($file_name, $version = null, $direct = false) {
-        if (!$direct && $this->options['download_via_php']) {
-            $url = $this->options['script_url']
-                .$this->get_query_separator($this->options['script_url'])
-                .$this->get_singular_param_name()
-                .'='.rawurlencode($file_name);
-            if ($version) {
-                $url .= '&version='.rawurlencode($version);
-            }
-            return $url.'&download=1';
-        }
-        if (empty($version)) {
-            $version_path = '';
-        } else {
-            $version_url = @$this->options['image_versions'][$version]['upload_url'];
-            if ($version_url) {
-                return $version_url.$this->get_user_path().rawurlencode($file_name);
-            }
-            $version_path = rawurlencode($version).'/';
-        }
-        return $this->options['upload_url'].$this->get_user_path()
-            .$version_path.rawurlencode($file_name);
-    }
-
-    protected function set_additional_file_properties($file) {
-        $file->deleteUrl = $this->options['script_url']
-            .$this->get_query_separator($this->options['script_url'])
-            .$this->get_singular_param_name()
-            .'='.rawurlencode($file->name);
-        $file->deleteType = $this->options['delete_type'];
-        if ($file->deleteType !== 'DELETE') {
-            $file->deleteUrl .= '&_method=DELETE';
-        }
-        if ($this->options['access_control_allow_credentials']) {
-            $file->deleteWithCredentials = true;
-        }
-    }
-
-    // Fix for overflowing signed 32 bit integers,
-    // works for sizes up to 2^32-1 bytes (4 GiB - 1):
-    protected function fix_integer_overflow($size) {
-        if ($size < 0) {
-            $size += 2.0 * (PHP_INT_MAX + 1);
-        }
-        return $size;
-    }
-
-    protected function get_file_size($file_path, $clear_stat_cache = false) {
-        if ($clear_stat_cache) {
-            if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
-                clearstatcache(true, $file_path);
-            } else {
-                clearstatcache();
-            }
-        }
-        return $this->fix_integer_overflow(filesize($file_path));
-    }
-
-    protected function is_valid_file_object($file_name) {
-        $file_path = $this->get_upload_path($file_name);
-        if (is_file($file_path) && $file_name[0] !== '.') {
-            return true;
-        }
-        return false;
-    }
-
-    protected function get_file_object($file_name) {
-        if ($this->is_valid_file_object($file_name)) {
-            $file = new stdClass();
-            $file->name = $file_name;
-            $file->size = $this->get_file_size(
-                $this->get_upload_path($file_name)
-            );
-            $file->url = $this->get_download_url($file->name);
-            foreach($this->options['image_versions'] as $version => $options) {
-                if (!empty($version)) {
-                    if (is_file($this->get_upload_path($file_name, $version))) {
-                        $file->{$version.'Url'} = $this->get_download_url(
-                            $file->name,
-                            $version
-                        );
-                    }
-                }
-            }
-            $this->set_additional_file_properties($file);
-            return $file;
-        }
-        return null;
-    }
-
-    protected function get_file_objects($iteration_method = 'get_file_object') {
-        $upload_dir = $this->get_upload_path();
-        if (!is_dir($upload_dir)) {
-            return array();
-        }
-        return array_values(array_filter(array_map(
-            array($this, $iteration_method),
-            scandir($upload_dir)
-        )));
-    }
-
-    protected function count_file_objects() {
-        return count($this->get_file_objects('is_valid_file_object'));
-    }
-
-    protected function get_error_message($error) {
-        return array_key_exists($error, $this->error_messages) ?
-            $this->error_messages[$error] : $error;
-    }
-
-    function get_config_bytes($val) {
-        $val = trim($val);
-        $last = strtolower($val[strlen($val)-1]);
-        switch($last) {
-            case 'g':
-                $val *= 1024;
-            case 'm':
-                $val *= 1024;
-            case 'k':
-                $val *= 1024;
-        }
-        return $this->fix_integer_overflow($val);
-    }
-
-    protected function validate($uploaded_file, $file, $error, $index) {
-        if ($error) {
-            $file->error = $this->get_error_message($error);
-            return false;
-        }
-        $content_length = $this->fix_integer_overflow(intval(
-            $this->get_server_var('CONTENT_LENGTH')
-        ));
-        $post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
-        if ($post_max_size && ($content_length > $post_max_size)) {
-            $file->error = $this->get_error_message('post_max_size');
-            return false;
-        }
-        if (!preg_match($this->options['accept_file_types'], $file->name)) {
-            $file->error = $this->get_error_message('accept_file_types');
-            return false;
-        }
-        if ($uploaded_file && is_uploaded_file($uploaded_file)) {
-            $file_size = $this->get_file_size($uploaded_file);
-        } else {
-            $file_size = $content_length;
-        }
-        if ($this->options['max_file_size'] && (
-                $file_size > $this->options['max_file_size'] ||
-                $file->size > $this->options['max_file_size'])
-            ) {
-            $file->error = $this->get_error_message('max_file_size');
-            return false;
-        }
-        if ($this->options['min_file_size'] &&
-            $file_size < $this->options['min_file_size']) {
-            $file->error = $this->get_error_message('min_file_size');
-            return false;
-        }
-        if (is_int($this->options['max_number_of_files']) && (
-                $this->count_file_objects() >= $this->options['max_number_of_files'])
-            ) {
-            $file->error = $this->get_error_message('max_number_of_files');
-            return false;
-        }
-        $max_width = @$this->options['max_width'];
-        $max_height = @$this->options['max_height'];
-        $min_width = @$this->options['min_width'];
-        $min_height = @$this->options['min_height'];
-        if (($max_width || $max_height || $min_width || $min_height)) {
-            list($img_width, $img_height) = $this->get_image_size($uploaded_file);
-        }
-        if (!empty($img_width)) {
-            if ($max_width && $img_width > $max_width) {
-                $file->error = $this->get_error_message('max_width');
-                return false;
-            }
-            if ($max_height && $img_height > $max_height) {
-                $file->error = $this->get_error_message('max_height');
-                return false;
-            }
-            if ($min_width && $img_width < $min_width) {
-                $file->error = $this->get_error_message('min_width');
-                return false;
-            }
-            if ($min_height && $img_height < $min_height) {
-                $file->error = $this->get_error_message('min_height');
-                return false;
-            }
-        }
-        return true;
-    }
-
-    protected function upcount_name_callback($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'),
-            $name,
-            1
-        );
-    }
-
-    protected function get_unique_filename($file_path, $name, $size, $type, $error,
-            $index, $content_range) {
-        while(is_dir($this->get_upload_path($name))) {
-            $name = $this->upcount_name($name);
-        }
-        // Keep an existing filename if this is part of a chunked upload:
-        $uploaded_bytes = $this->fix_integer_overflow(intval($content_range[1]));
-        while(is_file($this->get_upload_path($name))) {
-            if ($uploaded_bytes === $this->get_file_size(
-                    $this->get_upload_path($name))) {
-                break;
-            }
-            $name = $this->upcount_name($name);
-        }
-        return $name;
-    }
-
-    protected function trim_file_name($file_path, $name, $size, $type, $error,
-            $index, $content_range) {
-        // 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:
-        $name = trim(basename(stripslashes($name)), ".\x00..\x20");
-        // Use a timestamp for empty filenames:
-        if (!$name) {
-            $name = str_replace('.', '-', microtime(true));
-        }
-        // Add missing file extension for known image types:
-        if (strpos($name, '.') === false &&
-                preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) {
-            $name .= '.'.$matches[1];
-        }
-        if (function_exists('exif_imagetype')) {
-            switch(@exif_imagetype($file_path)){
-                case IMAGETYPE_JPEG:
-                    $extensions = array('jpg', 'jpeg');
-                    break;
-                case IMAGETYPE_PNG:
-                    $extensions = array('png');
-                    break;
-                case IMAGETYPE_GIF:
-                    $extensions = array('gif');
-                    break;
-            }
-            // Adjust incorrect image file extensions:
-            if (!empty($extensions)) {
-                $parts = explode('.', $name);
-                $extIndex = count($parts) - 1;
-                $ext = strtolower(@$parts[$extIndex]);
-                if (!in_array($ext, $extensions)) {
-                    $parts[$extIndex] = $extensions[0];
-                    $name = implode('.', $parts);
-                }
-            }
-        }
-        return $name;
-    }
-
-    protected function get_file_name($file_path, $name, $size, $type, $error,
-            $index, $content_range) {
-        return $this->get_unique_filename(
-            $file_path,
-            $this->trim_file_name($file_path, $name, $size, $type, $error,
-                $index, $content_range),
-            $size,
-            $type,
-            $error,
-            $index,
-            $content_range
-        );
-    }
-
-    protected function handle_form_data($file, $index) {
-        // Handle form data, e.g. $_REQUEST['description'][$index]
-    }
-
-    protected function get_scaled_image_file_paths($file_name, $version) {
-        $file_path = $this->get_upload_path($file_name);
-        if (!empty($version)) {
-            $version_dir = $this->get_upload_path(null, $version);
-            if (!is_dir($version_dir)) {
-                mkdir($version_dir, $this->options['mkdir_mode'], true);
-            }
-            $new_file_path = $version_dir.'/'.$file_name;
-        } else {
-            $new_file_path = $file_path;
-        }
-        return array($file_path, $new_file_path);
-    }
-
-    protected function gd_get_image_object($file_path, $func, $no_cache = false) {
-        if (empty($this->image_objects[$file_path]) || $no_cache) {
-            $this->gd_destroy_image_object($file_path);
-            $this->image_objects[$file_path] = $func($file_path);
-        }
-        return $this->image_objects[$file_path];
-    }
-
-    protected function gd_set_image_object($file_path, $image) {
-        $this->gd_destroy_image_object($file_path);
-        $this->image_objects[$file_path] = $image;
-    }
-
-    protected function gd_destroy_image_object($file_path) {
-        $image = @$this->image_objects[$file_path];
-        return $image && imagedestroy($image);
-    }
-
-    protected function gd_imageflip($image, $mode) {
-        if (function_exists('imageflip')) {
-            return imageflip($image, $mode);
-        }
-        $new_width = $src_width = imagesx($image);
-        $new_height = $src_height = imagesy($image);
-        $new_img = imagecreatetruecolor($new_width, $new_height);
-        $src_x = 0;
-        $src_y = 0;
-        switch ($mode) {
-            case '1': // flip on the horizontal axis
-                $src_y = $new_height - 1;
-                $src_height = -$new_height;
-                break;
-            case '2': // flip on the vertical axis
-                $src_x  = $new_width - 1;
-                $src_width = -$new_width;
-                break;
-            case '3': // flip on both axes
-                $src_y = $new_height - 1;
-                $src_height = -$new_height;
-                $src_x  = $new_width - 1;
-                $src_width = -$new_width;
-                break;
-            default:
-                return $image;
-        }
-        imagecopyresampled(
-            $new_img,
-            $image,
-            0,
-            0,
-            $src_x,
-            $src_y,
-            $new_width,
-            $new_height,
-            $src_width,
-            $src_height
-        );
-        return $new_img;
-    }
-
-    protected function gd_orient_image($file_path, $src_img) {
-        if (!function_exists('exif_read_data')) {
-            return false;
-        }
-        $exif = @exif_read_data($file_path);
-        if ($exif === false) {
-            return false;
-        }
-        $orientation = intval(@$exif['Orientation']);
-        if ($orientation < 2 || $orientation > 8) {
-            return false;
-        }
-        switch ($orientation) {
-            case 2:
-                $new_img = $this->gd_imageflip(
-                    $src_img,
-                    defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2
-                );
-                break;
-            case 3:
-                $new_img = imagerotate($src_img, 180, 0);
-                break;
-            case 4:
-                $new_img = $this->gd_imageflip(
-                    $src_img,
-                    defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1
-                );
-                break;
-            case 5:
-                $tmp_img = $this->gd_imageflip(
-                    $src_img,
-                    defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1
-                );
-                $new_img = imagerotate($tmp_img, 270, 0);
-                imagedestroy($tmp_img);
-                break;
-            case 6:
-                $new_img = imagerotate($src_img, 270, 0);
-                break;
-            case 7:
-                $tmp_img = $this->gd_imageflip(
-                    $src_img,
-                    defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2
-                );
-                $new_img = imagerotate($tmp_img, 270, 0);
-                imagedestroy($tmp_img);
-                break;
-            case 8:
-                $new_img = imagerotate($src_img, 90, 0);
-                break;
-            default:
-                return false;
-        }
-        $this->gd_set_image_object($file_path, $new_img);
-        return true;
-    }
-
-    protected function gd_create_scaled_image($file_name, $version, $options) {
-        if (!function_exists('imagecreatetruecolor')) {
-            error_log('Function not found: imagecreatetruecolor');
-            return false;
-        }
-        list($file_path, $new_file_path) =
-            $this->get_scaled_image_file_paths($file_name, $version);
-        $type = strtolower(substr(strrchr($file_name, '.'), 1));
-        switch ($type) {
-            case 'jpg':
-            case 'jpeg':
-                $src_func = 'imagecreatefromjpeg';
-                $write_func = 'imagejpeg';
-                $image_quality = isset($options['jpeg_quality']) ?
-                    $options['jpeg_quality'] : 75;
-                break;
-            case 'gif':
-                $src_func = 'imagecreatefromgif';
-                $write_func = 'imagegif';
-                $image_quality = null;
-                break;
-            case 'png':
-                $src_func = 'imagecreatefrompng';
-                $write_func = 'imagepng';
-                $image_quality = isset($options['png_quality']) ?
-                    $options['png_quality'] : 9;
-                break;
-            default:
-                return false;
-        }
-        $src_img = $this->gd_get_image_object(
-            $file_path,
-            $src_func,
-            !empty($options['no_cache'])
-        );
-        $image_oriented = false;
-        if (!empty($options['auto_orient']) && $this->gd_orient_image(
-                $file_path,
-                $src_img
-            )) {
-            $image_oriented = true;
-            $src_img = $this->gd_get_image_object(
-                $file_path,
-                $src_func
-            );
-        }
-        $max_width = $img_width = imagesx($src_img);
-        $max_height = $img_height = imagesy($src_img);
-        if (!empty($options['max_width'])) {
-            $max_width = $options['max_width'];
-        }
-        if (!empty($options['max_height'])) {
-            $max_height = $options['max_height'];
-        }
-        $scale = min(
-            $max_width / $img_width,
-            $max_height / $img_height
-        );
-        if ($scale >= 1) {
-            if ($image_oriented) {
-                return $write_func($src_img, $new_file_path, $image_quality);
-            }
-            if ($file_path !== $new_file_path) {
-                return copy($file_path, $new_file_path);
-            }
-            return true;
-        }
-        if (empty($options['crop'])) {
-            $new_width = $img_width * $scale;
-            $new_height = $img_height * $scale;
-            $dst_x = 0;
-            $dst_y = 0;
-            $new_img = imagecreatetruecolor($new_width, $new_height);
-        } else {
-            if (($img_width / $img_height) >= ($max_width / $max_height)) {
-                $new_width = $img_width / ($img_height / $max_height);
-                $new_height = $max_height;
-            } else {
-                $new_width = $max_width;
-                $new_height = $img_height / ($img_width / $max_width);
-            }
-            $dst_x = 0 - ($new_width - $max_width) / 2;
-            $dst_y = 0 - ($new_height - $max_height) / 2;
-            $new_img = imagecreatetruecolor($max_width, $max_height);
-        }
-        // Handle transparency in GIF and PNG images:
-        switch ($type) {
-            case 'gif':
-            case 'png':
-                imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
-            case 'png':
-                imagealphablending($new_img, false);
-                imagesavealpha($new_img, true);
-                break;
-        }
-        $success = imagecopyresampled(
-            $new_img,
-            $src_img,
-            $dst_x,
-            $dst_y,
-            0,
-            0,
-            $new_width,
-            $new_height,
-            $img_width,
-            $img_height
-        ) && $write_func($new_img, $new_file_path, $image_quality);
-        $this->gd_set_image_object($file_path, $new_img);
-        return $success;
-    }
-
-    protected function imagick_get_image_object($file_path, $no_cache = false) {
-        if (empty($this->image_objects[$file_path]) || $no_cache) {
-            $this->imagick_destroy_image_object($file_path);
-            $image = new Imagick();
-            if (!empty($this->options['imagick_resource_limits'])) {
-                foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
-                    $image->setResourceLimit($type, $limit);
-                }
-            }
-            $image->readImage($file_path);
-            $this->image_objects[$file_path] = $image;
-        }
-        return $this->image_objects[$file_path];
-    }
-
-    protected function imagick_set_image_object($file_path, $image) {
-        $this->imagick_destroy_image_object($file_path);
-        $this->image_objects[$file_path] = $image;
-    }
-
-    protected function imagick_destroy_image_object($file_path) {
-        $image = @$this->image_objects[$file_path];
-        return $image && $image->destroy();
-    }
-
-    protected function imagick_orient_image($image) {
-        $orientation = $image->getImageOrientation();
-        $background = new ImagickPixel('none');
-        switch ($orientation) {
-            case imagick::ORIENTATION_TOPRIGHT: // 2
-                $image->flopImage(); // horizontal flop around y-axis
-                break;
-            case imagick::ORIENTATION_BOTTOMRIGHT: // 3
-                $image->rotateImage($background, 180);
-                break;
-            case imagick::ORIENTATION_BOTTOMLEFT: // 4
-                $image->flipImage(); // vertical flip around x-axis
-                break;
-            case imagick::ORIENTATION_LEFTTOP: // 5
-                $image->flopImage(); // horizontal flop around y-axis
-                $image->rotateImage($background, 270);
-                break;
-            case imagick::ORIENTATION_RIGHTTOP: // 6
-                $image->rotateImage($background, 90);
-                break;
-            case imagick::ORIENTATION_RIGHTBOTTOM: // 7
-                $image->flipImage(); // vertical flip around x-axis
-                $image->rotateImage($background, 270);
-                break;
-            case imagick::ORIENTATION_LEFTBOTTOM: // 8
-                $image->rotateImage($background, 270);
-                break;
-            default:
-                return false;
-        }
-        $image->setImageOrientation(imagick::ORIENTATION_TOPLEFT); // 1
-        return true;
-    }
-
-    protected function imagick_create_scaled_image($file_name, $version, $options) {
-        list($file_path, $new_file_path) =
-            $this->get_scaled_image_file_paths($file_name, $version);
-        $image = $this->imagick_get_image_object(
-            $file_path,
-            !empty($options['no_cache'])
-        );
-        if ($image->getImageFormat() === 'GIF') {
-            // Handle animated GIFs:
-            $images = $image->coalesceImages();
-            foreach ($images as $frame) {
-                $image = $frame;
-                $this->imagick_set_image_object($file_name, $image);
-                break;
-            }
-        }
-        $image_oriented = false;
-        if (!empty($options['auto_orient'])) {
-            $image_oriented = $this->imagick_orient_image($image);
-        }
-        $new_width = $max_width = $img_width = $image->getImageWidth();
-        $new_height = $max_height = $img_height = $image->getImageHeight();
-        if (!empty($options['max_width'])) {
-            $new_width = $max_width = $options['max_width'];
-        }
-        if (!empty($options['max_height'])) {
-            $new_height = $max_height = $options['max_height'];
-        }
-        if (!($image_oriented || $max_width < $img_width || $max_height < $img_height)) {
-            if ($file_path !== $new_file_path) {
-                return copy($file_path, $new_file_path);
-            }
-            return true;
-        }
-        $crop = !empty($options['crop']);
-        if ($crop) {
-            $x = 0;
-            $y = 0;
-            if (($img_width / $img_height) >= ($max_width / $max_height)) {
-                $new_width = 0; // Enables proportional scaling based on max_height
-                $x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
-            } else {
-                $new_height = 0; // Enables proportional scaling based on max_width
-                $y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
-            }
-        }
-        $success = $image->resizeImage(
-            $new_width,
-            $new_height,
-            isset($options['filter']) ? $options['filter'] : imagick::FILTER_LANCZOS,
-            isset($options['blur']) ? $options['blur'] : 1,
-            $new_width && $new_height // fit image into constraints if not to be cropped
-        );
-        if ($success && $crop) {
-            $success = $image->cropImage(
-                $max_width,
-                $max_height,
-                $x,
-                $y
-            );
-            if ($success) {
-                $success = $image->setImagePage($max_width, $max_height, 0, 0);
-            }
-        }
-        $type = strtolower(substr(strrchr($file_name, '.'), 1));
-        switch ($type) {
-            case 'jpg':
-            case 'jpeg':
-                if (!empty($options['jpeg_quality'])) {
-                    $image->setImageCompression(Imagick::COMPRESSION_JPEG);
-                    $image->setImageCompressionQuality($options['jpeg_quality']);
-                }
-                break;
-        }
-        if (!empty($options['strip'])) {
-            $image->stripImage();
-        }
-        return $success && $image->writeImage($new_file_path);
-    }
-
-    protected function imagemagick_create_scaled_image($file_name, $version, $options) {
-        list($file_path, $new_file_path) =
-            $this->get_scaled_image_file_paths($file_name, $version);
-        $resize = @$options['max_width']
-            .(empty($options['max_height']) ? '' : 'x'.$options['max_height']);
-        if (!$resize && empty($options['auto_orient'])) {
-            if ($file_path !== $new_file_path) {
-                return copy($file_path, $new_file_path);
-            }
-            return true;
-        }
-        $cmd = $this->options['convert_bin'];
-        if (!empty($this->options['convert_params'])) {
-            $cmd .= ' '.$this->options['convert_params'];
-        }
-        $cmd .= ' '.escapeshellarg($file_path);
-        if (!empty($options['auto_orient'])) {
-            $cmd .= ' -auto-orient';
-        }
-        if ($resize) {
-            // Handle animated GIFs:
-            $cmd .= ' -coalesce';
-            if (empty($options['crop'])) {
-                $cmd .= ' -resize '.escapeshellarg($resize.'>');
-            } else {
-                $cmd .= ' -resize '.escapeshellarg($resize.'^');
-                $cmd .= ' -gravity center';
-                $cmd .= ' -crop '.escapeshellarg($resize.'+0+0');
-            }
-            // Make sure the page dimensions are correct (fixes offsets of animated GIFs):
-            $cmd .= ' +repage';
-        }
-        if (!empty($options['convert_params'])) {
-            $cmd .= ' '.$options['convert_params'];
-        }
-        $cmd .= ' '.escapeshellarg($new_file_path);
-        exec($cmd, $output, $error);
-        if ($error) {
-            error_log(implode('\n', $output));
-            return false;
-        }
-        return true;
-    }
-
-    protected function get_image_size($file_path) {
-        if ($this->options['image_library']) {
-            if (extension_loaded('imagick')) {
-                $image = new Imagick();
-                try {
-                    if (@$image->pingImage($file_path)) {
-                        $dimensions = array($image->getImageWidth(), $image->getImageHeight());
-                        $image->destroy();
-                        return $dimensions;
-                    }
-                    return false;
-                } catch (Exception $e) {
-                    error_log($e->getMessage());
-                }
-            }
-            if ($this->options['image_library'] === 2) {
-                $cmd = $this->options['identify_bin'];
-                $cmd .= ' -ping '.escapeshellarg($file_path);
-                exec($cmd, $output, $error);
-                if (!$error && !empty($output)) {
-                    // image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
-                    $infos = preg_split('/\s+/', $output[0]);
-                    $dimensions = preg_split('/x/', $infos[2]);
-                    return $dimensions;
-                }
-                return false;
-            }
-        }
-        if (!function_exists('getimagesize')) {
-            error_log('Function not found: getimagesize');
-            return false;
-        }
-        return @getimagesize($file_path);
-    }
-
-    protected function create_scaled_image($file_name, $version, $options) {
-        if ($this->options['image_library'] === 2) {
-            return $this->imagemagick_create_scaled_image($file_name, $version, $options);
-        }
-        if ($this->options['image_library'] && extension_loaded('imagick')) {
-            return $this->imagick_create_scaled_image($file_name, $version, $options);
-        }
-        return $this->gd_create_scaled_image($file_name, $version, $options);
-    }
-
-    protected function destroy_image_object($file_path) {
-        if ($this->options['image_library'] && extension_loaded('imagick')) {
-            return $this->imagick_destroy_image_object($file_path);
-        }
-    }
-
-    protected function is_valid_image_file($file_path) {
-        if (!preg_match($this->options['image_file_types'], $file_path)) {
-            return false;
-        }
-        if (function_exists('exif_imagetype')) {
-            return @exif_imagetype($file_path);
-        }
-        $image_info = $this->get_image_size($file_path);
-        return $image_info && $image_info[0] && $image_info[1];
-    }
-
-    protected function handle_image_file($file_path, $file) {
-        $failed_versions = array();
-        foreach($this->options['image_versions'] as $version => $options) {
-            if ($this->create_scaled_image($file->name, $version, $options)) {
-                if (!empty($version)) {
-                    $file->{$version.'Url'} = $this->get_download_url(
-                        $file->name,
-                        $version
-                    );
-                } else {
-                    $file->size = $this->get_file_size($file_path, true);
-                }
-            } else {
-                $failed_versions[] = $version ? $version : 'original';
-            }
-        }
-        if (count($failed_versions)) {
-            $file->error = $this->get_error_message('image_resize')
-                    .' ('.implode($failed_versions,', ').')';
-        }
-        // Free memory:
-        $this->destroy_image_object($file_path);
-    }
-
-    protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
-            $index = null, $content_range = null) {
-        $file = new stdClass();
-        $file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
-            $index, $content_range);
-        $file->size = $this->fix_integer_overflow(intval($size));
-        $file->type = $type;
-        if ($this->validate($uploaded_file, $file, $error, $index)) {
-            $this->handle_form_data($file, $index);
-            $upload_dir = $this->get_upload_path();
-            if (!is_dir($upload_dir)) {
-                mkdir($upload_dir, $this->options['mkdir_mode'], true);
-            }
-            $file_path = $this->get_upload_path($file->name);
-            $append_file = $content_range && is_file($file_path) &&
-                $file->size > $this->get_file_size($file_path);
-            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 = $this->get_file_size($file_path, $append_file);
-            if ($file_size === $file->size) {
-                $file->url = $this->get_download_url($file->name);
-                if ($this->is_valid_image_file($file_path)) {
-                    $this->handle_image_file($file_path, $file);
-                }
-            } else {
-                $file->size = $file_size;
-                if (!$content_range && $this->options['discard_aborted_uploads']) {
-                    unlink($file_path);
-                    $file->error = $this->get_error_message('abort');
-                }
-            }
-            $this->set_additional_file_properties($file);
-        }
-        return $file;
-    }
-
-    protected function readfile($file_path) {
-        $file_size = $this->get_file_size($file_path);
-        $chunk_size = $this->options['readfile_chunk_size'];
-        if ($chunk_size && $file_size > $chunk_size) {
-            $handle = fopen($file_path, 'rb');
-            while (!feof($handle)) {
-                echo fread($handle, $chunk_size);
-                ob_flush();
-                flush();
-            }
-            fclose($handle);
-            return $file_size;
-        }
-        return readfile($file_path);
-    }
-
-    protected function body($str) {
-        echo $str;
-    }
-    
-    protected function header($str) {
-        header($str);
-    }
-
-    protected function get_server_var($id) {
-        return isset($_SERVER[$id]) ? $_SERVER[$id] : '';
-    }
-
-    protected function generate_response($content, $print_response = true) {
-        if ($print_response) {
-            $json = json_encode($content);
-            $redirect = isset($_REQUEST['redirect']) ?
-                stripslashes($_REQUEST['redirect']) : null;
-            if ($redirect) {
-                $this->header('Location: '.sprintf($redirect, rawurlencode($json)));
-                return;
-            }
-            $this->head();
-            if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
-                $files = isset($content[$this->options['param_name']]) ?
-                    $content[$this->options['param_name']] : null;
-                if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
-                    $this->header('Range: 0-'.(
-                        $this->fix_integer_overflow(intval($files[0]->size)) - 1
-                    ));
-                }
-            }
-            $this->body($json);
-        }
-        return $content;
-    }
-
-    protected function get_version_param() {
-        return isset($_GET['version']) ? basename(stripslashes($_GET['version'])) : null;
-    }
-
-    protected function get_singular_param_name() {
-        return substr($this->options['param_name'], 0, -1);
-    }
-
-    protected function get_file_name_param() {
-        $name = $this->get_singular_param_name();
-        return isset($_GET[$name]) ? basename(stripslashes($_GET[$name])) : null;
-    }
-
-    protected function get_file_names_params() {
-        $params = isset($_GET[$this->options['param_name']]) ?
-            $_GET[$this->options['param_name']] : array();
-        foreach ($params as $key => $value) {
-            $params[$key] = basename(stripslashes($value));
-        }
-        return $params;
-    }
-
-    protected function get_file_type($file_path) {
-        switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
-            case 'jpeg':
-            case 'jpg':
-                return 'image/jpeg';
-            case 'png':
-                return 'image/png';
-            case 'gif':
-                return 'image/gif';
-            default:
-                return '';
-        }
-    }
-
-    protected function download() {
-        switch ($this->options['download_via_php']) {
-            case 1:
-                $redirect_header = null;
-                break;
-            case 2:
-                $redirect_header = 'X-Sendfile';
-                break;
-            case 3:
-                $redirect_header = 'X-Accel-Redirect';
-                break;
-            default:
-                return $this->header('HTTP/1.1 403 Forbidden');
-        }
-        $file_name = $this->get_file_name_param();
-        if (!$this->is_valid_file_object($file_name)) {
-            return $this->header('HTTP/1.1 404 Not Found');
-        }
-        if ($redirect_header) {
-            return $this->header(
-                $redirect_header.': '.$this->get_download_url(
-                    $file_name,
-                    $this->get_version_param(),
-                    true
-                )
-            );
-        }
-        $file_path = $this->get_upload_path($file_name, $this->get_version_param());
-        // Prevent browsers from MIME-sniffing the content-type:
-        $this->header('X-Content-Type-Options: nosniff');
-        if (!preg_match($this->options['inline_file_types'], $file_name)) {
-            $this->header('Content-Type: application/octet-stream');
-            $this->header('Content-Disposition: attachment; filename="'.$file_name.'"');
-        } else {
-            $this->header('Content-Type: '.$this->get_file_type($file_path));
-            $this->header('Content-Disposition: inline; filename="'.$file_name.'"');
-        }
-        $this->header('Content-Length: '.$this->get_file_size($file_path));
-        $this->header('Last-Modified: '.gmdate('D, d M Y H:i:s T', filemtime($file_path)));
-        $this->readfile($file_path);
-    }
-
-    protected function send_content_type_header() {
-        $this->header('Vary: Accept');
-        if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
-            $this->header('Content-type: application/json');
-        } else {
-            $this->header('Content-type: text/plain');
-        }
-    }
-
-    protected function send_access_control_headers() {
-        $this->header('Access-Control-Allow-Origin: '.$this->options['access_control_allow_origin']);
-        $this->header('Access-Control-Allow-Credentials: '
-            .($this->options['access_control_allow_credentials'] ? 'true' : 'false'));
-        $this->header('Access-Control-Allow-Methods: '
-            .implode(', ', $this->options['access_control_allow_methods']));
-        $this->header('Access-Control-Allow-Headers: '
-            .implode(', ', $this->options['access_control_allow_headers']));
-    }
-
-    public function head() {
-        $this->header('Pragma: no-cache');
-        $this->header('Cache-Control: no-store, no-cache, must-revalidate');
-        $this->header('Content-Disposition: inline; filename="files.json"');
-        // Prevent Internet Explorer from MIME-sniffing the content-type:
-        $this->header('X-Content-Type-Options: nosniff');
-        if ($this->options['access_control_allow_origin']) {
-            $this->send_access_control_headers();
-        }
-        $this->send_content_type_header();
-    }
-
-    public function get($print_response = true) {
-        if ($print_response && isset($_GET['download'])) {
-            return $this->download();
-        }
-        $file_name = $this->get_file_name_param();
-        if ($file_name) {
-            $response = array(
-                $this->get_singular_param_name() => $this->get_file_object($file_name)
-            );
-        } else {
-            $response = array(
-                $this->options['param_name'] => $this->get_file_objects()
-            );
-        }
-        return $this->generate_response($response, $print_response);
-    }
-
-    public function post($print_response = true) {
-        if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') {
-            return $this->delete($print_response);
-        }
-        $upload = isset($_FILES[$this->options['param_name']]) ?
-            $_FILES[$this->options['param_name']] : null;
-        // Parse the Content-Disposition header, if available:
-        $file_name = $this->get_server_var('HTTP_CONTENT_DISPOSITION') ?
-            rawurldecode(preg_replace(
-                '/(^[^"]+")|("$)/',
-                '',
-                $this->get_server_var('HTTP_CONTENT_DISPOSITION')
-            )) : null;
-        // Parse the Content-Range header, which has the following form:
-        // Content-Range: bytes 0-524287/2000000
-        $content_range = $this->get_server_var('HTTP_CONTENT_RANGE') ?
-            preg_split('/[^0-9]+/', $this->get_server_var('HTTP_CONTENT_RANGE')) : null;
-        $size =  $content_range ? $content_range[3] : null;
-        $files = array();
-        if ($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) {
-                $files[] = $this->handle_file_upload(
-                    $upload['tmp_name'][$index],
-                    $file_name ? $file_name : $upload['name'][$index],
-                    $size ? $size : $upload['size'][$index],
-                    $upload['type'][$index],
-                    $upload['error'][$index],
-                    $index,
-                    $content_range
-                );
-            }
-        } else {
-            // param_name is a single object identifier like "file",
-            // $_FILES is a one-dimensional array:
-            $files[] = $this->handle_file_upload(
-                isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
-                $file_name ? $file_name : (isset($upload['name']) ?
-                        $upload['name'] : null),
-                $size ? $size : (isset($upload['size']) ?
-                        $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
-                isset($upload['type']) ?
-                        $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
-                isset($upload['error']) ? $upload['error'] : null,
-                null,
-                $content_range
-            );
-        }
-        return $this->generate_response(
-            array($this->options['param_name'] => $files),
-            $print_response
-        );
-    }
-
-    public function delete($print_response = true) {
-        $file_names = $this->get_file_names_params();
-        if (empty($file_names)) {
-            $file_names = array($this->get_file_name_param());
-        }
-        $response = array();
-        foreach($file_names as $file_name) {
-            $file_path = $this->get_upload_path($file_name);
-            $success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
-            if ($success) {
-                foreach($this->options['image_versions'] as $version => $options) {
-                    if (!empty($version)) {
-                        $file = $this->get_upload_path($file_name, $version);
-                        if (is_file($file)) {
-                            unlink($file);
-                        }
-                    }
-                }
-            }
-            $response[$file_name] = $success;
-        }
-        return $this->generate_response($response, $print_response);
-    }
-
-}