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<?php
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//$Id: UploadHandler.php 2158 2017-11-25 23:50:52Z lars $
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/*
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* jQuery File Upload Plugin PHP Class
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* https://github.com/blueimp/jQuery-File-Upload
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*
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* Copyright 2010, Sebastian Tschan
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* https://blueimp.net
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*
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* Licensed under the MIT license:
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* https://opensource.org/licenses/MIT
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*/
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if (preg_match("/\.local$/", $_SERVER["SERVER_NAME"])) {
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//$GLOBALS["site"] .= ".local";
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}
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trigger_error(var_export($_GET, true));
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trigger_error(var_export($_POST, true));
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$options = null;
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$folder = "";
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$GLOBALS["folder"] = "";
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if (isset($_POST["folder"]) && $_POST["folder"]) {
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$folder = $_POST["folder"];
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} elseif (isset($_GET["folder"]) && $_GET["folder"]) {
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$folder = $_GET["folder"];
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}
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$bvKonf = "";
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if (isset($GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"])) {
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$bvKonf = $GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"];
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}
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if (!$bvKonf) {
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$bvKonf = "Bild;;651;651";
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}
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$GLOBALS["Imagedaten"] = array_chunk(explode(";", $bvKonf), 4);
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if ($folder) {
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$folder = rtrim($folder, "/");
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$GLOBALS["folder"] = $folder;
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}
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class UploadHandler
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{
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protected $options;
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// PHP File Upload error message codes:
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// http://php.net/manual/en/features.file-upload.errors.php
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protected $error_messages = array(
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1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
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2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
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3 => 'The uploaded file was only partially uploaded',
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4 => 'No file was uploaded',
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6 => 'Missing a temporary folder',
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7 => 'Failed to write file to disk',
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8 => 'A PHP extension stopped the file upload',
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'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini',
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'max_file_size' => 'File is too big',
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'min_file_size' => 'File is too small',
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'accept_file_types' => 'Filetype not allowed',
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'max_number_of_files' => 'Maximum number of files exceeded',
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'max_width' => 'Image exceeds maximum width',
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'min_width' => 'Image requires a minimum width',
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'max_height' => 'Image exceeds maximum height',
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'min_height' => 'Image requires a minimum height',
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'abort' => 'File upload aborted',
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'image_resize' => 'Failed to resize image');
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protected $image_objects = array();
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public function __construct($options = null, $initialize = true, $error_messages = null)
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{
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$GLOBALS["ci"] = &get_instance();
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$real_url = getDokDomain();
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$real_url .= "/images/upload/" . $GLOBALS["folder"] . "/";
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$real_folder = $GLOBALS["webs"]["verzeichnis"] . '/images/upload/' . $GLOBALS["folder"] .
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"/";
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$this->response = array();
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$this->options = array(
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'script_url' => $this->get_full_url() . '/' . $this->basename($this->
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get_server_var('SCRIPT_NAME')),
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'upload_dir' => $GLOBALS["webs"]["verzeichnis"] . "/images/upload/orig/",
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'upload_url' => $real_url . "orig/",
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'input_stream' => 'php://input',
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'user_dirs' => false,
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'mkdir_mode' => 0755,
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'param_name' => 'files',
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// Set the following option to 'POST', if your server does not support
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// DELETE requests. This is a parameter sent to the client:
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'delete_type' => 'DELETE',
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'access_control_allow_origin' => '*',
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'access_control_allow_credentials' => false,
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'access_control_allow_methods' => array(
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'OPTIONS',
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'HEAD',
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'GET',
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'POST',
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'PUT',
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'PATCH',
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'DELETE',
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),
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'access_control_allow_headers' => array(
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'Content-Type',
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'Content-Range',
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'Content-Disposition',
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),
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// By default, allow redirects to the referer protocol+host:
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'redirect_allow_target' => '/^' . preg_quote(parse_url($this->get_server_var('HTTP_REFERER'),
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PHP_URL_SCHEME) . '://' . parse_url($this->get_server_var('HTTP_REFERER'),
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PHP_URL_HOST) . '/', // Trailing slash to not match subdomains by mistake
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'/' // preg_quote delimiter param
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) . '/',
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// Enable to provide file downloads via GET requests to the PHP script:
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// 1. Set to 1 to download files via readfile method through PHP
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// 2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
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// 3. Set to 3 to send a X-Accel-Redirect header for nginx
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// If set to 2 or 3, adjust the upload_url option to the base path of
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// the redirect parameter, e.g. '/files/'.
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'download_via_php' => false,
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// Read files in chunks to avoid memory limits when download_via_php
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// is enabled, set to 0 to disable chunked reading of files:
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'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
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// Defines which files can be displayed inline when downloaded:
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'inline_file_types' => '/\.(gif|jpe?g|png|svg)$/i',
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// Defines which files (based on their names) are accepted for upload:
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'accept_file_types' => '/.+$/i',
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// The php.ini settings upload_max_filesize and post_max_size
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// take precedence over the following max_file_size setting:
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'max_file_size' => null,
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'min_file_size' => 1,
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// The maximum number of files for the upload directory:
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'max_number_of_files' => null,
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// Defines which files are handled as image files:
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'image_file_types' => '/\.(gif|jpe?g|png)$/i',
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// Use exif_imagetype on all files to correct file extensions:
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'correct_image_extensions' => false,
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// Image resolution restrictions:
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'max_width' => null,
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'max_height' => null,
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'min_width' => 1,
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'min_height' => 1,
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// Set the following option to false to enable resumable uploads:
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'discard_aborted_uploads' => true,
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// Set to 0 to use the GD library to scale and orient images,
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// set to 1 to use imagick (if installed, falls back to GD),
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// set to 2 to use the ImageMagick convert binary directly:
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'image_library' => 1,
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// Uncomment the following to define an array of resource limits
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// for imagick:
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/*
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'imagick_resource_limits' => array(
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imagick::RESOURCETYPE_MAP => 32,
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imagick::RESOURCETYPE_MEMORY => 32
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),
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*/
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// Command or path for to the ImageMagick convert binary:
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'convert_bin' => 'convert',
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// Uncomment the following to add parameters in front of each
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// ImageMagick convert call (the limit constraints seem only
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// to have an effect if put in front):
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/*
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'convert_params' => '-limit memory 32MiB -limit map 32MiB',
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*/
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// Command or path for to the ImageMagick identify binary:
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'identify_bin' => 'identify',
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'print_response' => true,
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);
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foreach ($GLOBALS["Imagedaten"] as $nr => $set) {
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$this->options["image_versions"][$set[0]] = array(
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"upload_dir" => $real_folder . $set[1] . "/",
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"upload_url" => $real_url . $set[1] . "/",
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"max_width" => $set[2],
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"max_height" => $set[3],
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);
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}
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if ($options) {
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$this->options = $options + $this->options;
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}
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if ($error_messages) {
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$this->error_messages = $error_messages + $this->error_messages;
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}
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if ($initialize) {
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$this->initialize();
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}
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}
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protected function initialize()
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{
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switch ($this->get_server_var('REQUEST_METHOD')) {
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case 'OPTIONS':
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case 'HEAD':
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$this->head();
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break;
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case 'GET':
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$this->get($this->options['print_response']);
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break;
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case 'PATCH':
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case 'PUT':
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case 'POST':
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$this->post($this->options['print_response']);
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break;
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case 'DELETE':
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$this->delete($this->options['print_response']);
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break;
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default:
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$this->header('HTTP/1.1 405 Method Not Allowed');
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}
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}
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protected function get_full_url()
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{
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$https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0 ||
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!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_PROTO'],
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'https') === 0;
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return ($https ? 'https://' : 'http://') . (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] .
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'@' : '') . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'] .
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($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ?
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'' : ':' . $_SERVER['SERVER_PORT']))) . substr($_SERVER['SCRIPT_NAME'], 0,
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strrpos($_SERVER['SCRIPT_NAME'], '/'));
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}
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protected function get_user_id()
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{
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@session_start();
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return session_id();
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}
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protected function get_user_path()
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{
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if ($this->options['user_dirs']) {
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return $this->get_user_id() . '/';
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}
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return '';
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}
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protected function get_upload_path($file_name = null, $version = null)
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{
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$file_name = $file_name ? $file_name : '';
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if (empty($version)) {
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$version_path = '';
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} else {
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$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
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if ($version_dir) {
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return $version_dir . $this->get_user_path() . $file_name;
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}
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$version_path = $version . '/';
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}
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return $this->options['upload_dir'] . $this->get_user_path() . $version_path . $file_name;
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}
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protected function get_query_separator($url)
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{
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return strpos($url, '?') === false ? '?' : '&';
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}
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protected function get_download_url($file_name, $version = null, $direct = false)
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{
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if (!$direct && $this->options['download_via_php']) {
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$url = $this->options['script_url'] . $this->get_query_separator($this->options['script_url']) .
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$this->get_singular_param_name() . '=' . rawurlencode($file_name);
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if ($version) {
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$url .= '&version=' . rawurlencode($version);
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}
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return $url . '&download=1';
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}
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if (empty($version)) {
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$version_path = '';
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} else {
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$version_url = @$this->options['image_versions'][$version]['upload_url'];
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if ($version_url) {
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return $version_url . $this->get_user_path() . rawurlencode($file_name);
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}
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$version_path = rawurlencode($version) . '/';
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}
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return $this->options['upload_url'] . $this->get_user_path() . $version_path .
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rawurlencode($file_name);
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}
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protected function set_additional_file_properties($file)
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{
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$file->deleteUrl = $this->options['script_url'] . $this->get_query_separator($this->
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options['script_url']) . $this->get_singular_param_name() . '=' . rawurlencode($file->
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name);
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$file->deleteType = $this->options['delete_type'];
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if ($file->deleteType !== 'DELETE') {
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$file->deleteUrl .= '&_method=DELETE';
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}
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trigger_error($file->deleteUrl);
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if ($this->options['access_control_allow_credentials']) {
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$file->deleteWithCredentials = true;
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}
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}
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// Fix for overflowing signed 32 bit integers,
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// works for sizes up to 2^32-1 bytes (4 GiB - 1):
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protected function fix_integer_overflow($size)
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{
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301 |
if ($size < 0) {
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$size += 2.0 * (PHP_INT_MAX + 1);
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}
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return $size;
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}
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protected function get_file_size($file_path, $clear_stat_cache = false)
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{
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309 |
if ($clear_stat_cache) {
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310 |
if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
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clearstatcache(true, $file_path);
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} else {
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clearstatcache();
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}
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}
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return $this->fix_integer_overflow(filesize($file_path));
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}
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protected function is_valid_file_object($file_name)
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320 |
{
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321 |
$file_path = $this->get_upload_path($file_name);
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if (is_file($file_path) && $file_name[0] !== '.') {
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return true;
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324 |
}
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return false;
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326 |
}
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lars |
327 |
|
| 2144 |
lars |
328 |
protected function get_file_object($file_name)
|
|
|
329 |
{
|
|
|
330 |
if ($this->is_valid_file_object($file_name)) {
|
|
|
331 |
$file = new \stdClass();
|
|
|
332 |
$file->name = $file_name;
|
|
|
333 |
$file->size = $this->get_file_size($this->get_upload_path($file_name));
|
|
|
334 |
$file->url = $this->get_download_url($file->name);
|
|
|
335 |
foreach ($this->options['image_versions'] as $version => $options) {
|
|
|
336 |
if (!empty($version)) {
|
|
|
337 |
if (is_file($this->get_upload_path($file_name, $version))) {
|
|
|
338 |
$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
|
|
|
339 |
}
|
|
|
340 |
}
|
|
|
341 |
}
|
|
|
342 |
$this->set_additional_file_properties($file);
|
|
|
343 |
return $file;
|
|
|
344 |
}
|
|
|
345 |
return null;
|
|
|
346 |
}
|
| 2121 |
lars |
347 |
|
| 2144 |
lars |
348 |
protected function get_file_objects($iteration_method = 'get_file_object')
|
|
|
349 |
{
|
|
|
350 |
$upload_dir = $this->get_upload_path();
|
|
|
351 |
if (!is_dir($upload_dir)) {
|
|
|
352 |
return array();
|
|
|
353 |
}
|
|
|
354 |
return array_values(array_filter(array_map(array($this, $iteration_method),
|
|
|
355 |
scandir($upload_dir))));
|
|
|
356 |
}
|
| 2121 |
lars |
357 |
|
| 2144 |
lars |
358 |
protected function count_file_objects()
|
|
|
359 |
{
|
|
|
360 |
return count($this->get_file_objects('is_valid_file_object'));
|
|
|
361 |
}
|
| 2121 |
lars |
362 |
|
| 2144 |
lars |
363 |
protected function get_error_message($error)
|
|
|
364 |
{
|
|
|
365 |
return isset($this->error_messages[$error]) ? $this->error_messages[$error] : $error;
|
|
|
366 |
}
|
| 2121 |
lars |
367 |
|
| 2144 |
lars |
368 |
public function get_config_bytes($val)
|
|
|
369 |
{
|
|
|
370 |
$val = trim($val);
|
|
|
371 |
$last = strtolower($val[strlen($val) - 1]);
|
|
|
372 |
$val = (int)$val;
|
|
|
373 |
switch ($last) {
|
|
|
374 |
case 'g':
|
|
|
375 |
$val *= 1024;
|
|
|
376 |
case 'm':
|
|
|
377 |
$val *= 1024;
|
|
|
378 |
case 'k':
|
|
|
379 |
$val *= 1024;
|
|
|
380 |
}
|
|
|
381 |
return $this->fix_integer_overflow($val);
|
|
|
382 |
}
|
| 2121 |
lars |
383 |
|
| 2144 |
lars |
384 |
protected function validate($uploaded_file, $file, $error, $index)
|
|
|
385 |
{
|
|
|
386 |
if ($error) {
|
|
|
387 |
$file->error = $this->get_error_message($error);
|
|
|
388 |
return false;
|
|
|
389 |
}
|
|
|
390 |
$content_length = $this->fix_integer_overflow((int)$this->get_server_var('CONTENT_LENGTH'));
|
|
|
391 |
$post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
|
|
|
392 |
if ($post_max_size && ($content_length > $post_max_size)) {
|
|
|
393 |
$file->error = $this->get_error_message('post_max_size');
|
|
|
394 |
return false;
|
|
|
395 |
}
|
|
|
396 |
if (!preg_match($this->options['accept_file_types'], $file->name)) {
|
|
|
397 |
$file->error = $this->get_error_message('accept_file_types');
|
|
|
398 |
return false;
|
|
|
399 |
}
|
|
|
400 |
if ($uploaded_file && is_uploaded_file($uploaded_file)) {
|
|
|
401 |
$file_size = $this->get_file_size($uploaded_file);
|
|
|
402 |
} else {
|
|
|
403 |
$file_size = $content_length;
|
|
|
404 |
}
|
|
|
405 |
if ($this->options['max_file_size'] && ($file_size > $this->options['max_file_size'] ||
|
|
|
406 |
$file->size > $this->options['max_file_size'])) {
|
|
|
407 |
$file->error = $this->get_error_message('max_file_size');
|
|
|
408 |
return false;
|
|
|
409 |
}
|
|
|
410 |
if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) {
|
|
|
411 |
$file->error = $this->get_error_message('min_file_size');
|
|
|
412 |
return false;
|
|
|
413 |
}
|
|
|
414 |
if (is_int($this->options['max_number_of_files']) && ($this->count_file_objects
|
|
|
415 |
() >= $this->options['max_number_of_files']) &&
|
|
|
416 |
// Ignore additional chunks of existing files:
|
|
|
417 |
!is_file($this->get_upload_path($file->name))) {
|
|
|
418 |
$file->error = $this->get_error_message('max_number_of_files');
|
|
|
419 |
return false;
|
|
|
420 |
}
|
|
|
421 |
$max_width = @$this->options['max_width'];
|
|
|
422 |
$max_height = @$this->options['max_height'];
|
|
|
423 |
$min_width = @$this->options['min_width'];
|
|
|
424 |
$min_height = @$this->options['min_height'];
|
|
|
425 |
if (($max_width || $max_height || $min_width || $min_height) && preg_match($this->
|
|
|
426 |
options['image_file_types'], $file->name)) {
|
|
|
427 |
list($img_width, $img_height) = $this->get_image_size($uploaded_file);
|
| 2121 |
lars |
428 |
|
| 2144 |
lars |
429 |
// If we are auto rotating the image by default, do the checks on
|
|
|
430 |
// the correct orientation
|
|
|
431 |
if (@$this->options['image_versions']['']['auto_orient'] && function_exists('exif_read_data') &&
|
|
|
432 |
($exif = @exif_read_data($uploaded_file)) && (((int)@$exif['Orientation']) >= 5)) {
|
|
|
433 |
$tmp = $img_width;
|
|
|
434 |
$img_width = $img_height;
|
|
|
435 |
$img_height = $tmp;
|
|
|
436 |
unset($tmp);
|
|
|
437 |
}
|
| 2121 |
lars |
438 |
|
| 2144 |
lars |
439 |
}
|
|
|
440 |
if (!empty($img_width)) {
|
|
|
441 |
if ($max_width && $img_width > $max_width) {
|
|
|
442 |
$file->error = $this->get_error_message('max_width');
|
|
|
443 |
return false;
|
|
|
444 |
}
|
|
|
445 |
if ($max_height && $img_height > $max_height) {
|
|
|
446 |
$file->error = $this->get_error_message('max_height');
|
|
|
447 |
return false;
|
|
|
448 |
}
|
|
|
449 |
if ($min_width && $img_width < $min_width) {
|
|
|
450 |
$file->error = $this->get_error_message('min_width');
|
|
|
451 |
return false;
|
|
|
452 |
}
|
|
|
453 |
if ($min_height && $img_height < $min_height) {
|
|
|
454 |
$file->error = $this->get_error_message('min_height');
|
|
|
455 |
return false;
|
|
|
456 |
}
|
|
|
457 |
}
|
|
|
458 |
return true;
|
|
|
459 |
}
|
| 2121 |
lars |
460 |
|
| 2144 |
lars |
461 |
protected function upcount_name_callback($matches)
|
|
|
462 |
{
|
|
|
463 |
$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1;
|
|
|
464 |
$ext = isset($matches[2]) ? $matches[2] : '';
|
|
|
465 |
return ' (' . $index . ')' . $ext;
|
|
|
466 |
}
|
| 2121 |
lars |
467 |
|
| 2144 |
lars |
468 |
protected function upcount_name($name)
|
|
|
469 |
{
|
|
|
470 |
return preg_replace_callback('/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this,
|
|
|
471 |
'upcount_name_callback'), $name, 1);
|
|
|
472 |
}
|
| 2121 |
lars |
473 |
|
| 2144 |
lars |
474 |
protected function get_unique_filename($file_path, $name, $size, $type, $error,
|
|
|
475 |
$index, $content_range)
|
|
|
476 |
{
|
|
|
477 |
while (is_dir($this->get_upload_path($name))) {
|
|
|
478 |
$name = $this->upcount_name($name);
|
|
|
479 |
}
|
|
|
480 |
// Keep an existing filename if this is part of a chunked upload:
|
|
|
481 |
$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]);
|
|
|
482 |
while (is_file($this->get_upload_path($name))) {
|
|
|
483 |
if ($uploaded_bytes === $this->get_file_size($this->get_upload_path($name))) {
|
|
|
484 |
break;
|
|
|
485 |
}
|
|
|
486 |
$name = $this->upcount_name($name);
|
|
|
487 |
}
|
|
|
488 |
return $name;
|
|
|
489 |
}
|
| 2121 |
lars |
490 |
|
| 2144 |
lars |
491 |
protected function fix_file_extension($file_path, $name, $size, $type, $error, $index,
|
|
|
492 |
$content_range)
|
|
|
493 |
{
|
|
|
494 |
// Add missing file extension for known image types:
|
|
|
495 |
if (strpos($name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type,
|
|
|
496 |
$matches)) {
|
|
|
497 |
$name .= '.' . $matches[1];
|
|
|
498 |
}
|
|
|
499 |
if ($this->options['correct_image_extensions'] && function_exists('exif_imagetype')) {
|
|
|
500 |
switch (@exif_imagetype($file_path)) {
|
|
|
501 |
case IMAGETYPE_JPEG:
|
|
|
502 |
$extensions = array('jpg', 'jpeg');
|
|
|
503 |
break;
|
|
|
504 |
case IMAGETYPE_PNG:
|
|
|
505 |
$extensions = array('png');
|
|
|
506 |
break;
|
|
|
507 |
case IMAGETYPE_GIF:
|
|
|
508 |
$extensions = array('gif');
|
|
|
509 |
break;
|
|
|
510 |
}
|
|
|
511 |
// Adjust incorrect image file extensions:
|
|
|
512 |
if (!empty($extensions)) {
|
|
|
513 |
$parts = explode('.', $name);
|
|
|
514 |
$extIndex = count($parts) - 1;
|
|
|
515 |
$ext = strtolower(@$parts[$extIndex]);
|
|
|
516 |
if (!in_array($ext, $extensions)) {
|
|
|
517 |
$parts[$extIndex] = $extensions[0];
|
|
|
518 |
$name = implode('.', $parts);
|
|
|
519 |
}
|
|
|
520 |
}
|
|
|
521 |
}
|
|
|
522 |
return $name;
|
|
|
523 |
}
|
| 2121 |
lars |
524 |
|
| 2144 |
lars |
525 |
protected function trim_file_name($file_path, $name, $size, $type, $error, $index,
|
|
|
526 |
$content_range)
|
|
|
527 |
{
|
|
|
528 |
// Remove path information and dots around the filename, to prevent uploading
|
|
|
529 |
// into different directories or replacing hidden system files.
|
|
|
530 |
// Also remove control characters and spaces (\x00..\x20) around the filename:
|
|
|
531 |
$name = trim($this->basename(stripslashes($name)), ".\x00..\x20");
|
|
|
532 |
// Use a timestamp for empty filenames:
|
|
|
533 |
if (!$name) {
|
|
|
534 |
$name = str_replace('.', '-', microtime(true));
|
|
|
535 |
}
|
|
|
536 |
return $name;
|
|
|
537 |
}
|
| 2121 |
lars |
538 |
|
| 2144 |
lars |
539 |
protected function get_file_name($file_path, $name, $size, $type, $error, $index,
|
|
|
540 |
$content_range)
|
|
|
541 |
{
|
|
|
542 |
$name = $this->trim_file_name($file_path, $name, $size, $type, $error, $index, $content_range);
|
|
|
543 |
return $this->get_unique_filename($file_path, $this->fix_file_extension($file_path,
|
|
|
544 |
$name, $size, $type, $error, $index, $content_range), $size, $type, $error, $index,
|
|
|
545 |
$content_range);
|
|
|
546 |
}
|
| 2121 |
lars |
547 |
|
| 2144 |
lars |
548 |
protected function get_scaled_image_file_paths($file_name, $version)
|
|
|
549 |
{
|
|
|
550 |
$file_path = $this->get_upload_path($file_name);
|
|
|
551 |
if (!empty($version)) {
|
|
|
552 |
$version_dir = $this->get_upload_path(null, $version);
|
|
|
553 |
if (!is_dir($version_dir)) {
|
|
|
554 |
mkdir($version_dir, $this->options['mkdir_mode'], true);
|
|
|
555 |
}
|
|
|
556 |
$new_file_path = $version_dir . '/' . $file_name;
|
|
|
557 |
} else {
|
|
|
558 |
$new_file_path = $file_path;
|
|
|
559 |
}
|
|
|
560 |
return array($file_path, $new_file_path);
|
|
|
561 |
}
|
| 2121 |
lars |
562 |
|
| 2144 |
lars |
563 |
protected function gd_get_image_object($file_path, $func, $no_cache = false)
|
|
|
564 |
{
|
|
|
565 |
if (empty($this->image_objects[$file_path]) || $no_cache) {
|
|
|
566 |
$this->gd_destroy_image_object($file_path);
|
|
|
567 |
$this->image_objects[$file_path] = $func($file_path);
|
|
|
568 |
}
|
|
|
569 |
return $this->image_objects[$file_path];
|
|
|
570 |
}
|
| 2121 |
lars |
571 |
|
| 2144 |
lars |
572 |
protected function gd_set_image_object($file_path, $image)
|
|
|
573 |
{
|
|
|
574 |
$this->gd_destroy_image_object($file_path);
|
|
|
575 |
$this->image_objects[$file_path] = $image;
|
|
|
576 |
}
|
| 2121 |
lars |
577 |
|
| 2144 |
lars |
578 |
protected function gd_destroy_image_object($file_path)
|
|
|
579 |
{
|
|
|
580 |
$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
|
|
|
581 |
return $image && imagedestroy($image);
|
|
|
582 |
}
|
| 2121 |
lars |
583 |
|
| 2144 |
lars |
584 |
protected function gd_imageflip($image, $mode)
|
|
|
585 |
{
|
|
|
586 |
if (function_exists('imageflip')) {
|
|
|
587 |
return imageflip($image, $mode);
|
|
|
588 |
}
|
|
|
589 |
$new_width = $src_width = imagesx($image);
|
|
|
590 |
$new_height = $src_height = imagesy($image);
|
|
|
591 |
$new_img = imagecreatetruecolor($new_width, $new_height);
|
|
|
592 |
$src_x = 0;
|
|
|
593 |
$src_y = 0;
|
|
|
594 |
switch ($mode) {
|
|
|
595 |
case '1': // flip on the horizontal axis
|
|
|
596 |
$src_y = $new_height - 1;
|
|
|
597 |
$src_height = -$new_height;
|
|
|
598 |
break;
|
|
|
599 |
case '2': // flip on the vertical axis
|
|
|
600 |
$src_x = $new_width - 1;
|
|
|
601 |
$src_width = -$new_width;
|
|
|
602 |
break;
|
|
|
603 |
case '3': // flip on both axes
|
|
|
604 |
$src_y = $new_height - 1;
|
|
|
605 |
$src_height = -$new_height;
|
|
|
606 |
$src_x = $new_width - 1;
|
|
|
607 |
$src_width = -$new_width;
|
|
|
608 |
break;
|
|
|
609 |
default:
|
|
|
610 |
return $image;
|
|
|
611 |
}
|
|
|
612 |
imagecopyresampled($new_img, $image, 0, 0, $src_x, $src_y, $new_width, $new_height,
|
|
|
613 |
$src_width, $src_height);
|
|
|
614 |
return $new_img;
|
|
|
615 |
}
|
| 2121 |
lars |
616 |
|
| 2144 |
lars |
617 |
protected function gd_orient_image($file_path, $src_img)
|
|
|
618 |
{
|
|
|
619 |
if (!function_exists('exif_read_data')) {
|
|
|
620 |
return false;
|
|
|
621 |
}
|
|
|
622 |
$exif = @exif_read_data($file_path);
|
|
|
623 |
if ($exif === false) {
|
|
|
624 |
return false;
|
|
|
625 |
}
|
|
|
626 |
$orientation = (int)@$exif['Orientation'];
|
|
|
627 |
if ($orientation < 2 || $orientation > 8) {
|
|
|
628 |
return false;
|
|
|
629 |
}
|
|
|
630 |
switch ($orientation) {
|
|
|
631 |
case 2:
|
|
|
632 |
$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
|
|
|
633 |
IMG_FLIP_VERTICAL : 2);
|
|
|
634 |
break;
|
|
|
635 |
case 3:
|
|
|
636 |
$new_img = imagerotate($src_img, 180, 0);
|
|
|
637 |
break;
|
|
|
638 |
case 4:
|
|
|
639 |
$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
|
|
|
640 |
IMG_FLIP_HORIZONTAL : 1);
|
|
|
641 |
break;
|
|
|
642 |
case 5:
|
|
|
643 |
$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
|
|
|
644 |
IMG_FLIP_HORIZONTAL : 1);
|
|
|
645 |
$new_img = imagerotate($tmp_img, 270, 0);
|
|
|
646 |
imagedestroy($tmp_img);
|
|
|
647 |
break;
|
|
|
648 |
case 6:
|
|
|
649 |
$new_img = imagerotate($src_img, 270, 0);
|
|
|
650 |
break;
|
|
|
651 |
case 7:
|
|
|
652 |
$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
|
|
|
653 |
IMG_FLIP_VERTICAL : 2);
|
|
|
654 |
$new_img = imagerotate($tmp_img, 270, 0);
|
|
|
655 |
imagedestroy($tmp_img);
|
|
|
656 |
break;
|
|
|
657 |
case 8:
|
|
|
658 |
$new_img = imagerotate($src_img, 90, 0);
|
|
|
659 |
break;
|
|
|
660 |
default:
|
|
|
661 |
return false;
|
|
|
662 |
}
|
|
|
663 |
$this->gd_set_image_object($file_path, $new_img);
|
|
|
664 |
return true;
|
|
|
665 |
}
|
| 2121 |
lars |
666 |
|
| 2144 |
lars |
667 |
protected function gd_create_scaled_image($file_name, $version, $options)
|
|
|
668 |
{
|
|
|
669 |
if (!function_exists('imagecreatetruecolor')) {
|
|
|
670 |
error_log('Function not found: imagecreatetruecolor');
|
|
|
671 |
return false;
|
|
|
672 |
}
|
|
|
673 |
list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
|
|
|
674 |
$version);
|
|
|
675 |
$type = strtolower(substr(strrchr($file_name, '.'), 1));
|
|
|
676 |
switch ($type) {
|
|
|
677 |
case 'jpg':
|
|
|
678 |
case 'jpeg':
|
|
|
679 |
$src_func = 'imagecreatefromjpeg';
|
|
|
680 |
$write_func = 'imagejpeg';
|
|
|
681 |
$image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75;
|
|
|
682 |
break;
|
|
|
683 |
case 'gif':
|
|
|
684 |
$src_func = 'imagecreatefromgif';
|
|
|
685 |
$write_func = 'imagegif';
|
|
|
686 |
$image_quality = null;
|
|
|
687 |
break;
|
|
|
688 |
case 'png':
|
|
|
689 |
$src_func = 'imagecreatefrompng';
|
|
|
690 |
$write_func = 'imagepng';
|
|
|
691 |
$image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9;
|
|
|
692 |
break;
|
|
|
693 |
default:
|
|
|
694 |
return false;
|
|
|
695 |
}
|
|
|
696 |
$src_img = $this->gd_get_image_object($file_path, $src_func, !empty($options['no_cache']));
|
|
|
697 |
$image_oriented = false;
|
|
|
698 |
if (!empty($options['auto_orient']) && $this->gd_orient_image($file_path, $src_img)) {
|
|
|
699 |
$image_oriented = true;
|
|
|
700 |
$src_img = $this->gd_get_image_object($file_path, $src_func);
|
|
|
701 |
}
|
|
|
702 |
$max_width = $img_width = imagesx($src_img);
|
|
|
703 |
$max_height = $img_height = imagesy($src_img);
|
|
|
704 |
if (!empty($options['max_width'])) {
|
|
|
705 |
$max_width = $options['max_width'];
|
|
|
706 |
}
|
|
|
707 |
if (!empty($options['max_height'])) {
|
|
|
708 |
$max_height = $options['max_height'];
|
|
|
709 |
}
|
|
|
710 |
$scale = min($max_width / $img_width, $max_height / $img_height);
|
|
|
711 |
if ($scale >= 1) {
|
|
|
712 |
if ($image_oriented) {
|
|
|
713 |
return $write_func($src_img, $new_file_path, $image_quality);
|
|
|
714 |
}
|
|
|
715 |
if ($file_path !== $new_file_path) {
|
|
|
716 |
return copy($file_path, $new_file_path);
|
|
|
717 |
}
|
|
|
718 |
return true;
|
|
|
719 |
}
|
|
|
720 |
if (empty($options['crop'])) {
|
|
|
721 |
$new_width = $img_width * $scale;
|
|
|
722 |
$new_height = $img_height * $scale;
|
|
|
723 |
$dst_x = 0;
|
|
|
724 |
$dst_y = 0;
|
|
|
725 |
$new_img = imagecreatetruecolor($new_width, $new_height);
|
|
|
726 |
} else {
|
|
|
727 |
if (($img_width / $img_height) >= ($max_width / $max_height)) {
|
|
|
728 |
$new_width = $img_width / ($img_height / $max_height);
|
|
|
729 |
$new_height = $max_height;
|
|
|
730 |
} else {
|
|
|
731 |
$new_width = $max_width;
|
|
|
732 |
$new_height = $img_height / ($img_width / $max_width);
|
|
|
733 |
}
|
|
|
734 |
$dst_x = 0 - ($new_width - $max_width) / 2;
|
|
|
735 |
$dst_y = 0 - ($new_height - $max_height) / 2;
|
|
|
736 |
$new_img = imagecreatetruecolor($max_width, $max_height);
|
|
|
737 |
}
|
|
|
738 |
// Handle transparency in GIF and PNG images:
|
|
|
739 |
switch ($type) {
|
|
|
740 |
case 'gif':
|
|
|
741 |
case 'png':
|
|
|
742 |
imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
|
|
|
743 |
case 'png':
|
|
|
744 |
imagealphablending($new_img, false);
|
|
|
745 |
imagesavealpha($new_img, true);
|
|
|
746 |
break;
|
|
|
747 |
}
|
|
|
748 |
$success = imagecopyresampled($new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width,
|
|
|
749 |
$new_height, $img_width, $img_height) && $write_func($new_img, $new_file_path, $image_quality);
|
|
|
750 |
$this->gd_set_image_object($file_path, $new_img);
|
|
|
751 |
return $success;
|
|
|
752 |
}
|
| 2121 |
lars |
753 |
|
| 2144 |
lars |
754 |
protected function imagick_get_image_object($file_path, $no_cache = false)
|
|
|
755 |
{
|
|
|
756 |
if (empty($this->image_objects[$file_path]) || $no_cache) {
|
|
|
757 |
$this->imagick_destroy_image_object($file_path);
|
|
|
758 |
$image = new \Imagick();
|
|
|
759 |
if (!empty($this->options['imagick_resource_limits'])) {
|
|
|
760 |
foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
|
|
|
761 |
$image->setResourceLimit($type, $limit);
|
|
|
762 |
}
|
|
|
763 |
}
|
|
|
764 |
$image->readImage($file_path);
|
|
|
765 |
$this->image_objects[$file_path] = $image;
|
|
|
766 |
}
|
|
|
767 |
return $this->image_objects[$file_path];
|
|
|
768 |
}
|
| 2121 |
lars |
769 |
|
| 2144 |
lars |
770 |
protected function imagick_set_image_object($file_path, $image)
|
|
|
771 |
{
|
|
|
772 |
$this->imagick_destroy_image_object($file_path);
|
|
|
773 |
$this->image_objects[$file_path] = $image;
|
|
|
774 |
}
|
| 2121 |
lars |
775 |
|
| 2144 |
lars |
776 |
protected function imagick_destroy_image_object($file_path)
|
|
|
777 |
{
|
|
|
778 |
$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
|
|
|
779 |
return $image && $image->destroy();
|
|
|
780 |
}
|
| 2121 |
lars |
781 |
|
| 2144 |
lars |
782 |
protected function imagick_orient_image($image)
|
|
|
783 |
{
|
|
|
784 |
$orientation = $image->getImageOrientation();
|
|
|
785 |
$background = new \ImagickPixel('none');
|
|
|
786 |
switch ($orientation) {
|
|
|
787 |
case \imagick::ORIENTATION_TOPRIGHT: // 2
|
|
|
788 |
$image->flopImage(); // horizontal flop around y-axis
|
|
|
789 |
break;
|
|
|
790 |
case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
|
|
|
791 |
$image->rotateImage($background, 180);
|
|
|
792 |
break;
|
|
|
793 |
case \imagick::ORIENTATION_BOTTOMLEFT: // 4
|
|
|
794 |
$image->flipImage(); // vertical flip around x-axis
|
|
|
795 |
break;
|
|
|
796 |
case \imagick::ORIENTATION_LEFTTOP: // 5
|
|
|
797 |
$image->flopImage(); // horizontal flop around y-axis
|
|
|
798 |
$image->rotateImage($background, 270);
|
|
|
799 |
break;
|
|
|
800 |
case \imagick::ORIENTATION_RIGHTTOP: // 6
|
|
|
801 |
$image->rotateImage($background, 90);
|
|
|
802 |
break;
|
|
|
803 |
case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
|
|
|
804 |
$image->flipImage(); // vertical flip around x-axis
|
|
|
805 |
$image->rotateImage($background, 270);
|
|
|
806 |
break;
|
|
|
807 |
case \imagick::ORIENTATION_LEFTBOTTOM: // 8
|
|
|
808 |
$image->rotateImage($background, 270);
|
|
|
809 |
break;
|
|
|
810 |
default:
|
|
|
811 |
return false;
|
|
|
812 |
}
|
|
|
813 |
$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1
|
|
|
814 |
return true;
|
|
|
815 |
}
|
| 2121 |
lars |
816 |
|
| 2144 |
lars |
817 |
protected function imagick_create_scaled_image($file_name, $version, $options)
|
|
|
818 |
{
|
|
|
819 |
list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
|
|
|
820 |
$version);
|
|
|
821 |
$image = $this->imagick_get_image_object($file_path, !empty($options['crop']) ||
|
|
|
822 |
!empty($options['no_cache']));
|
|
|
823 |
if ($image->getImageFormat() === 'GIF') {
|
|
|
824 |
// Handle animated GIFs:
|
|
|
825 |
$images = $image->coalesceImages();
|
|
|
826 |
foreach ($images as $frame) {
|
|
|
827 |
$image = $frame;
|
|
|
828 |
$this->imagick_set_image_object($file_name, $image);
|
|
|
829 |
break;
|
|
|
830 |
}
|
|
|
831 |
}
|
|
|
832 |
$image_oriented = false;
|
|
|
833 |
if (!empty($options['auto_orient'])) {
|
|
|
834 |
$image_oriented = $this->imagick_orient_image($image);
|
|
|
835 |
}
|
|
|
836 |
$new_width = $max_width = $img_width = $image->getImageWidth();
|
|
|
837 |
$new_height = $max_height = $img_height = $image->getImageHeight();
|
|
|
838 |
if (!empty($options['max_width'])) {
|
|
|
839 |
$new_width = $max_width = $options['max_width'];
|
|
|
840 |
}
|
|
|
841 |
if (!empty($options['max_height'])) {
|
|
|
842 |
$new_height = $max_height = $options['max_height'];
|
|
|
843 |
}
|
|
|
844 |
$image_strip = false;
|
|
|
845 |
if (!empty($options["strip"])) {
|
|
|
846 |
$image_strip = $options["strip"];
|
|
|
847 |
}
|
|
|
848 |
if (!$image_oriented && ($max_width >= $img_width) && ($max_height >= $img_height) &&
|
|
|
849 |
!$image_strip && empty($options["jpeg_quality"])) {
|
|
|
850 |
if ($file_path !== $new_file_path) {
|
|
|
851 |
return copy($file_path, $new_file_path);
|
|
|
852 |
}
|
|
|
853 |
return true;
|
|
|
854 |
}
|
|
|
855 |
$crop = !empty($options['crop']);
|
|
|
856 |
if ($crop) {
|
|
|
857 |
$x = 0;
|
|
|
858 |
$y = 0;
|
|
|
859 |
if (($img_width / $img_height) >= ($max_width / $max_height)) {
|
|
|
860 |
$new_width = 0; // Enables proportional scaling based on max_height
|
|
|
861 |
$x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
|
|
|
862 |
} else {
|
|
|
863 |
$new_height = 0; // Enables proportional scaling based on max_width
|
|
|
864 |
$y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
|
|
|
865 |
}
|
|
|
866 |
}
|
|
|
867 |
$success = $image->resizeImage($new_width, $new_height, isset($options['filter']) ?
|
|
|
868 |
$options['filter'] : \imagick::FILTER_LANCZOS, isset($options['blur']) ? $options['blur'] :
|
|
|
869 |
1, $new_width && $new_height // fit image into constraints if not to be cropped
|
|
|
870 |
);
|
|
|
871 |
if ($success && $crop) {
|
|
|
872 |
$success = $image->cropImage($max_width, $max_height, $x, $y);
|
|
|
873 |
if ($success) {
|
|
|
874 |
$success = $image->setImagePage($max_width, $max_height, 0, 0);
|
|
|
875 |
}
|
|
|
876 |
}
|
|
|
877 |
$type = strtolower(substr(strrchr($file_name, '.'), 1));
|
|
|
878 |
switch ($type) {
|
|
|
879 |
case 'jpg':
|
|
|
880 |
case 'jpeg':
|
|
|
881 |
if (!empty($options['jpeg_quality'])) {
|
|
|
882 |
$image->setImageCompression(\imagick::COMPRESSION_JPEG);
|
|
|
883 |
$image->setImageCompressionQuality($options['jpeg_quality']);
|
|
|
884 |
}
|
|
|
885 |
break;
|
|
|
886 |
}
|
|
|
887 |
if ($image_strip) {
|
|
|
888 |
$image->stripImage();
|
|
|
889 |
}
|
|
|
890 |
return $success && $image->writeImage($new_file_path);
|
|
|
891 |
}
|
| 2121 |
lars |
892 |
|
| 2144 |
lars |
893 |
protected function imagemagick_create_scaled_image($file_name, $version, $options)
|
|
|
894 |
{
|
|
|
895 |
list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
|
|
|
896 |
$version);
|
|
|
897 |
$resize = @$options['max_width'] . (empty($options['max_height']) ? '' : 'X' . $options['max_height']);
|
|
|
898 |
if (!$resize && empty($options['auto_orient'])) {
|
|
|
899 |
if ($file_path !== $new_file_path) {
|
|
|
900 |
return copy($file_path, $new_file_path);
|
|
|
901 |
}
|
|
|
902 |
return true;
|
|
|
903 |
}
|
|
|
904 |
$cmd = $this->options['convert_bin'];
|
|
|
905 |
if (!empty($this->options['convert_params'])) {
|
|
|
906 |
$cmd .= ' ' . $this->options['convert_params'];
|
|
|
907 |
}
|
|
|
908 |
$cmd .= ' ' . escapeshellarg($file_path);
|
|
|
909 |
if (!empty($options['auto_orient'])) {
|
|
|
910 |
$cmd .= ' -auto-orient';
|
|
|
911 |
}
|
|
|
912 |
if ($resize) {
|
|
|
913 |
// Handle animated GIFs:
|
|
|
914 |
$cmd .= ' -coalesce';
|
|
|
915 |
if (empty($options['crop'])) {
|
|
|
916 |
$cmd .= ' -resize ' . escapeshellarg($resize . '>');
|
|
|
917 |
} else {
|
|
|
918 |
$cmd .= ' -resize ' . escapeshellarg($resize . '^');
|
|
|
919 |
$cmd .= ' -gravity center';
|
|
|
920 |
$cmd .= ' -crop ' . escapeshellarg($resize . '+0+0');
|
|
|
921 |
}
|
|
|
922 |
// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
|
|
|
923 |
$cmd .= ' +repage';
|
|
|
924 |
}
|
|
|
925 |
if (!empty($options['convert_params'])) {
|
|
|
926 |
$cmd .= ' ' . $options['convert_params'];
|
|
|
927 |
}
|
|
|
928 |
$cmd .= ' ' . escapeshellarg($new_file_path);
|
|
|
929 |
exec($cmd, $output, $error);
|
|
|
930 |
if ($error) {
|
|
|
931 |
error_log(implode('\n', $output));
|
|
|
932 |
return false;
|
|
|
933 |
}
|
|
|
934 |
return true;
|
|
|
935 |
}
|
| 2121 |
lars |
936 |
|
| 2144 |
lars |
937 |
protected function get_image_size($file_path)
|
|
|
938 |
{
|
|
|
939 |
if ($this->options['image_library']) {
|
|
|
940 |
if (extension_loaded('imagick')) {
|
|
|
941 |
$image = new \Imagick();
|
|
|
942 |
try {
|
|
|
943 |
if (@$image->pingImage($file_path)) {
|
|
|
944 |
$dimensions = array($image->getImageWidth(), $image->getImageHeight());
|
|
|
945 |
$image->destroy();
|
|
|
946 |
return $dimensions;
|
|
|
947 |
}
|
|
|
948 |
return false;
|
|
|
949 |
}
|
|
|
950 |
catch (\Exception $e) {
|
|
|
951 |
error_log($e->getMessage());
|
|
|
952 |
}
|
|
|
953 |
}
|
|
|
954 |
if ($this->options['image_library'] === 2) {
|
|
|
955 |
$cmd = $this->options['identify_bin'];
|
|
|
956 |
$cmd .= ' -ping ' . escapeshellarg($file_path);
|
|
|
957 |
exec($cmd, $output, $error);
|
|
|
958 |
if (!$error && !empty($output)) {
|
|
|
959 |
// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
|
|
|
960 |
$infos = preg_split('/\s+/', substr($output[0], strlen($file_path)));
|
|
|
961 |
$dimensions = preg_split('/x/', $infos[2]);
|
|
|
962 |
return $dimensions;
|
|
|
963 |
}
|
|
|
964 |
return false;
|
|
|
965 |
}
|
|
|
966 |
}
|
|
|
967 |
if (!function_exists('getimagesize')) {
|
|
|
968 |
error_log('Function not found: getimagesize');
|
|
|
969 |
return false;
|
|
|
970 |
}
|
|
|
971 |
return @getimagesize($file_path);
|
|
|
972 |
}
|
| 2121 |
lars |
973 |
|
| 2144 |
lars |
974 |
protected function create_scaled_image($file_name, $version, $options)
|
|
|
975 |
{
|
|
|
976 |
if ($this->options['image_library'] === 2) {
|
|
|
977 |
return $this->imagemagick_create_scaled_image($file_name, $version, $options);
|
|
|
978 |
}
|
|
|
979 |
if ($this->options['image_library'] && extension_loaded('imagick')) {
|
|
|
980 |
return $this->imagick_create_scaled_image($file_name, $version, $options);
|
|
|
981 |
}
|
|
|
982 |
return $this->gd_create_scaled_image($file_name, $version, $options);
|
|
|
983 |
}
|
| 2121 |
lars |
984 |
|
| 2144 |
lars |
985 |
protected function destroy_image_object($file_path)
|
|
|
986 |
{
|
|
|
987 |
if ($this->options['image_library'] && extension_loaded('imagick')) {
|
|
|
988 |
return $this->imagick_destroy_image_object($file_path);
|
|
|
989 |
}
|
|
|
990 |
}
|
| 2121 |
lars |
991 |
|
| 2144 |
lars |
992 |
protected function is_valid_image_file($file_path)
|
|
|
993 |
{
|
|
|
994 |
if (!preg_match($this->options['image_file_types'], $file_path)) {
|
|
|
995 |
return false;
|
|
|
996 |
}
|
|
|
997 |
if (function_exists('exif_imagetype')) {
|
|
|
998 |
return @exif_imagetype($file_path);
|
|
|
999 |
}
|
|
|
1000 |
$image_info = $this->get_image_size($file_path);
|
|
|
1001 |
return $image_info && $image_info[0] && $image_info[1];
|
|
|
1002 |
}
|
| 2121 |
lars |
1003 |
|
| 2144 |
lars |
1004 |
protected function handle_image_file($file_path, $file)
|
|
|
1005 |
{
|
|
|
1006 |
$failed_versions = array();
|
|
|
1007 |
foreach ($this->options['image_versions'] as $version => $options) {
|
|
|
1008 |
if ($this->create_scaled_image($file->name, $version, $options)) {
|
|
|
1009 |
if (!empty($version)) {
|
|
|
1010 |
$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
|
|
|
1011 |
} else {
|
|
|
1012 |
$file->size = $this->get_file_size($file_path, true);
|
|
|
1013 |
}
|
|
|
1014 |
} else {
|
|
|
1015 |
$failed_versions[] = $version ? $version : 'original';
|
|
|
1016 |
}
|
|
|
1017 |
}
|
|
|
1018 |
if (count($failed_versions)) {
|
|
|
1019 |
$file->error = $this->get_error_message('image_resize') . ' (' . implode($failed_versions,
|
|
|
1020 |
', ') . ')';
|
|
|
1021 |
}
|
|
|
1022 |
// Free memory:
|
|
|
1023 |
$this->destroy_image_object($file_path);
|
|
|
1024 |
}
|
| 2121 |
lars |
1025 |
|
| 2144 |
lars |
1026 |
protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
|
|
|
1027 |
$index = null, $content_range = null)
|
|
|
1028 |
{
|
|
|
1029 |
$file = new \stdClass();
|
|
|
1030 |
$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
|
|
|
1031 |
$index, $content_range);
|
|
|
1032 |
$file->size = $this->fix_integer_overflow((int)$size);
|
|
|
1033 |
$file->type = $type;
|
|
|
1034 |
if ($this->validate($uploaded_file, $file, $error, $index)) {
|
|
|
1035 |
$this->handle_form_data($file, $index);
|
|
|
1036 |
$upload_dir = $this->get_upload_path();
|
|
|
1037 |
if (!is_dir($upload_dir)) {
|
|
|
1038 |
mkdir($upload_dir, $this->options['mkdir_mode'], true);
|
|
|
1039 |
}
|
|
|
1040 |
$file_path = $this->get_upload_path($file->name);
|
|
|
1041 |
$append_file = $content_range && is_file($file_path) && $file->size > $this->
|
|
|
1042 |
get_file_size($file_path);
|
|
|
1043 |
if ($uploaded_file && is_uploaded_file($uploaded_file)) {
|
|
|
1044 |
// multipart/formdata uploads (POST method uploads)
|
|
|
1045 |
if ($append_file) {
|
|
|
1046 |
file_put_contents($file_path, fopen($uploaded_file, 'r'), FILE_APPEND);
|
|
|
1047 |
} else {
|
|
|
1048 |
move_uploaded_file($uploaded_file, $file_path);
|
|
|
1049 |
}
|
|
|
1050 |
} else {
|
|
|
1051 |
// Non-multipart uploads (PUT method support)
|
|
|
1052 |
file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ?
|
|
|
1053 |
FILE_APPEND : 0);
|
|
|
1054 |
}
|
|
|
1055 |
$file_size = $this->get_file_size($file_path, $append_file);
|
|
|
1056 |
$videos = array(
|
|
|
1057 |
"wmf",
|
|
|
1058 |
"flv",
|
|
|
1059 |
"swf",
|
|
|
1060 |
);
|
|
|
1061 |
$docs = array(
|
|
|
1062 |
"pdf",
|
|
|
1063 |
"doc",
|
|
|
1064 |
"docx",
|
|
|
1065 |
"xls",
|
|
|
1066 |
"xlsx",
|
|
|
1067 |
);
|
|
|
1068 |
if ($file_size === $file->size) {
|
|
|
1069 |
$info = pathinfo($file_path);
|
|
|
1070 |
$ext = strtolower($info["extension"]);
|
|
|
1071 |
$file->url = $this->get_download_url($file->name);
|
|
|
1072 |
$typ = 4;
|
|
|
1073 |
if ($this->is_valid_image_file($file_path)) {
|
|
|
1074 |
$typ = 1;
|
|
|
1075 |
$this->handle_image_file($file_path, $file);
|
|
|
1076 |
} elseif (in_array($ext, $docs)) {
|
|
|
1077 |
$typ = 2;
|
|
|
1078 |
} elseif (in_array($ext, $videos)) {
|
|
|
1079 |
$typ = 3;
|
|
|
1080 |
}
|
|
|
1081 |
$f = $GLOBALS["folder"];
|
|
|
1082 |
$sql = "INSERT INTO
|
|
|
1083 |
medien
|
|
|
1084 |
SET
|
|
|
1085 |
name='" . $fName . "',
|
|
|
1086 |
folder='" . $f . "',
|
|
|
1087 |
erstellt_am=UNIX_TIMESTAMP(),
|
|
|
1088 |
erstellt_von='" . $_SERVER["PHP_AUTH_USER"] . "',
|
|
|
1089 |
typ=" . $typ . "
|
|
|
1090 |
";
|
|
|
1091 |
//$GLOBALS["ci"]->db->query($sql);
|
|
|
1092 |
} else {
|
|
|
1093 |
$file->size = $file_size;
|
|
|
1094 |
if (!$content_range && $this->options['discard_aborted_uploads']) {
|
|
|
1095 |
unlink($file_path);
|
|
|
1096 |
$file->error = $this->get_error_message('abort');
|
|
|
1097 |
}
|
|
|
1098 |
}
|
|
|
1099 |
$this->set_additional_file_properties($file);
|
|
|
1100 |
}
|
|
|
1101 |
return $file;
|
|
|
1102 |
}
|
| 2121 |
lars |
1103 |
|
| 2144 |
lars |
1104 |
protected function readfile($file_path)
|
|
|
1105 |
{
|
|
|
1106 |
$file_size = $this->get_file_size($file_path);
|
|
|
1107 |
$chunk_size = $this->options['readfile_chunk_size'];
|
|
|
1108 |
if ($chunk_size && $file_size > $chunk_size) {
|
|
|
1109 |
$handle = fopen($file_path, 'rb');
|
|
|
1110 |
while (!feof($handle)) {
|
|
|
1111 |
echo fread($handle, $chunk_size);
|
|
|
1112 |
@ob_flush();
|
|
|
1113 |
@flush();
|
|
|
1114 |
}
|
|
|
1115 |
fclose($handle);
|
|
|
1116 |
return $file_size;
|
|
|
1117 |
}
|
|
|
1118 |
return readfile($file_path);
|
|
|
1119 |
}
|
| 2121 |
lars |
1120 |
|
| 2144 |
lars |
1121 |
protected function body($str)
|
|
|
1122 |
{
|
|
|
1123 |
echo $str;
|
|
|
1124 |
}
|
| 2121 |
lars |
1125 |
|
| 2144 |
lars |
1126 |
protected function header($str)
|
|
|
1127 |
{
|
|
|
1128 |
header($str);
|
|
|
1129 |
}
|
| 2121 |
lars |
1130 |
|
| 2144 |
lars |
1131 |
protected function get_upload_data($id)
|
|
|
1132 |
{
|
|
|
1133 |
return @$_FILES[$id];
|
|
|
1134 |
}
|
| 2121 |
lars |
1135 |
|
| 2144 |
lars |
1136 |
protected function get_post_param($id)
|
|
|
1137 |
{
|
|
|
1138 |
return @$_POST[$id];
|
|
|
1139 |
}
|
| 2121 |
lars |
1140 |
|
| 2144 |
lars |
1141 |
protected function get_query_param($id)
|
|
|
1142 |
{
|
|
|
1143 |
return @$_GET[$id];
|
|
|
1144 |
}
|
| 2121 |
lars |
1145 |
|
| 2144 |
lars |
1146 |
protected function get_server_var($id)
|
|
|
1147 |
{
|
|
|
1148 |
return @$_SERVER[$id];
|
|
|
1149 |
}
|
| 2121 |
lars |
1150 |
|
| 2144 |
lars |
1151 |
protected function handle_form_data($file, $index)
|
|
|
1152 |
{
|
|
|
1153 |
// Handle form data, e.g. $_POST['description'][$index]
|
|
|
1154 |
}
|
| 2121 |
lars |
1155 |
|
| 2144 |
lars |
1156 |
protected function get_version_param()
|
|
|
1157 |
{
|
|
|
1158 |
return $this->basename(stripslashes($this->get_query_param('version')));
|
|
|
1159 |
}
|
| 2121 |
lars |
1160 |
|
| 2144 |
lars |
1161 |
protected function get_singular_param_name()
|
|
|
1162 |
{
|
|
|
1163 |
return substr($this->options['param_name'], 0, -1);
|
|
|
1164 |
}
|
| 2121 |
lars |
1165 |
|
| 2144 |
lars |
1166 |
protected function get_file_name_param()
|
|
|
1167 |
{
|
|
|
1168 |
$name = $this->get_singular_param_name();
|
|
|
1169 |
return $this->basename(stripslashes($this->get_query_param($name)));
|
|
|
1170 |
}
|
| 2121 |
lars |
1171 |
|
| 2144 |
lars |
1172 |
protected function get_file_names_params()
|
|
|
1173 |
{
|
|
|
1174 |
$params = $this->get_query_param($this->options['param_name']);
|
|
|
1175 |
if (!$params) {
|
|
|
1176 |
return null;
|
|
|
1177 |
}
|
|
|
1178 |
foreach ($params as $key => $value) {
|
|
|
1179 |
$params[$key] = $this->basename(stripslashes($value));
|
|
|
1180 |
}
|
|
|
1181 |
return $params;
|
|
|
1182 |
}
|
| 2121 |
lars |
1183 |
|
| 2144 |
lars |
1184 |
protected function get_file_type($file_path)
|
|
|
1185 |
{
|
|
|
1186 |
switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
|
|
|
1187 |
case 'jpeg':
|
|
|
1188 |
case 'jpg':
|
|
|
1189 |
return 'image/jpeg';
|
|
|
1190 |
case 'png':
|
|
|
1191 |
return 'image/png';
|
|
|
1192 |
case 'gif':
|
|
|
1193 |
return 'image/gif';
|
|
|
1194 |
case 'svg':
|
|
|
1195 |
return 'image/svg';
|
|
|
1196 |
default:
|
|
|
1197 |
return '';
|
|
|
1198 |
}
|
|
|
1199 |
}
|
| 2121 |
lars |
1200 |
|
| 2144 |
lars |
1201 |
protected function download()
|
|
|
1202 |
{
|
|
|
1203 |
switch ($this->options['download_via_php']) {
|
|
|
1204 |
case 1:
|
|
|
1205 |
$redirect_header = null;
|
|
|
1206 |
break;
|
|
|
1207 |
case 2:
|
|
|
1208 |
$redirect_header = 'X-Sendfile';
|
|
|
1209 |
break;
|
|
|
1210 |
case 3:
|
|
|
1211 |
$redirect_header = 'X-Accel-Redirect';
|
|
|
1212 |
break;
|
|
|
1213 |
default:
|
|
|
1214 |
return $this->header('HTTP/1.1 403 Forbidden');
|
|
|
1215 |
}
|
|
|
1216 |
$file_name = $this->get_file_name_param();
|
|
|
1217 |
if (!$this->is_valid_file_object($file_name)) {
|
|
|
1218 |
return $this->header('HTTP/1.1 404 Not Found');
|
|
|
1219 |
}
|
|
|
1220 |
if ($redirect_header) {
|
|
|
1221 |
return $this->header($redirect_header . ': ' . $this->get_download_url($file_name,
|
|
|
1222 |
$this->get_version_param(), true));
|
|
|
1223 |
}
|
|
|
1224 |
$file_path = $this->get_upload_path($file_name, $this->get_version_param());
|
|
|
1225 |
// Prevent browsers from MIME-sniffing the content-type:
|
|
|
1226 |
$this->header('X-Content-Type-Options: nosniff');
|
|
|
1227 |
if (!preg_match($this->options['inline_file_types'], $file_name)) {
|
|
|
1228 |
$this->header('Content-Type: application/octet-stream');
|
|
|
1229 |
$this->header('Content-Disposition: attachment; filename="' . $file_name . '"');
|
|
|
1230 |
} else {
|
|
|
1231 |
$this->header('Content-Type: ' . $this->get_file_type($file_path));
|
|
|
1232 |
$this->header('Content-Disposition: inline; filename="' . $file_name . '"');
|
|
|
1233 |
}
|
|
|
1234 |
$this->header('Content-Length: ' . $this->get_file_size($file_path));
|
|
|
1235 |
$this->header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', filemtime($file_path)));
|
|
|
1236 |
$this->readfile($file_path);
|
|
|
1237 |
}
|
| 2121 |
lars |
1238 |
|
| 2144 |
lars |
1239 |
protected function send_content_type_header()
|
|
|
1240 |
{
|
|
|
1241 |
$this->header('Vary: Accept');
|
|
|
1242 |
if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
|
|
|
1243 |
$this->header('Content-type: application/json');
|
|
|
1244 |
} else {
|
|
|
1245 |
$this->header('Content-type: text/plain');
|
|
|
1246 |
}
|
|
|
1247 |
}
|
| 2121 |
lars |
1248 |
|
| 2144 |
lars |
1249 |
protected function send_access_control_headers()
|
|
|
1250 |
{
|
|
|
1251 |
$this->header('Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin']);
|
|
|
1252 |
$this->header('Access-Control-Allow-Credentials: ' . ($this->options['access_control_allow_credentials'] ?
|
|
|
1253 |
'true' : 'false'));
|
|
|
1254 |
$this->header('Access-Control-Allow-Methods: ' . implode(', ', $this->options['access_control_allow_methods']));
|
|
|
1255 |
$this->header('Access-Control-Allow-Headers: ' . implode(', ', $this->options['access_control_allow_headers']));
|
|
|
1256 |
}
|
| 2121 |
lars |
1257 |
|
| 2144 |
lars |
1258 |
public function generate_response($content, $print_response = true)
|
|
|
1259 |
{
|
|
|
1260 |
$this->response = $content;
|
|
|
1261 |
if ($print_response) {
|
|
|
1262 |
$json = json_encode($content);
|
|
|
1263 |
$redirect = stripslashes($this->get_post_param('redirect'));
|
|
|
1264 |
if ($redirect && preg_match($this->options['redirect_allow_target'], $redirect)) {
|
|
|
1265 |
$this->header('Location: ' . sprintf($redirect, rawurlencode($json)));
|
|
|
1266 |
return;
|
|
|
1267 |
}
|
|
|
1268 |
$this->head();
|
|
|
1269 |
if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
|
|
|
1270 |
$files = isset($content[$this->options['param_name']]) ? $content[$this->
|
|
|
1271 |
options['param_name']] : null;
|
|
|
1272 |
if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
|
|
|
1273 |
$this->header('Range: 0-' . ($this->fix_integer_overflow((int)$files[0]->size) -
|
|
|
1274 |
1));
|
|
|
1275 |
}
|
|
|
1276 |
}
|
|
|
1277 |
$this->body($json);
|
|
|
1278 |
}
|
|
|
1279 |
return $content;
|
|
|
1280 |
}
|
| 2121 |
lars |
1281 |
|
| 2144 |
lars |
1282 |
public function get_response()
|
|
|
1283 |
{
|
|
|
1284 |
return $this->response;
|
|
|
1285 |
}
|
| 2121 |
lars |
1286 |
|
| 2144 |
lars |
1287 |
public function head()
|
|
|
1288 |
{
|
|
|
1289 |
$this->header('Pragma: no-cache');
|
|
|
1290 |
$this->header('Cache-Control: no-store, no-cache, must-revalidate');
|
|
|
1291 |
$this->header('Content-Disposition: inline; filename="files.json"');
|
|
|
1292 |
// Prevent Internet Explorer from MIME-sniffing the content-type:
|
|
|
1293 |
$this->header('X-Content-Type-Options: nosniff');
|
|
|
1294 |
if ($this->options['access_control_allow_origin']) {
|
|
|
1295 |
$this->send_access_control_headers();
|
|
|
1296 |
}
|
|
|
1297 |
$this->send_content_type_header();
|
|
|
1298 |
}
|
| 2121 |
lars |
1299 |
|
| 2144 |
lars |
1300 |
public function get($print_response = true)
|
|
|
1301 |
{
|
|
|
1302 |
if ($print_response && $this->get_query_param('download')) {
|
|
|
1303 |
return $this->download();
|
|
|
1304 |
}
|
|
|
1305 |
$file_name = $this->get_file_name_param();
|
|
|
1306 |
if ($file_name) {
|
|
|
1307 |
$response = array($this->get_singular_param_name() => $this->get_file_object($file_name));
|
|
|
1308 |
} else {
|
|
|
1309 |
$response = array($this->options['param_name'] => $this->get_file_objects());
|
|
|
1310 |
}
|
|
|
1311 |
return $this->generate_response($response, $print_response);
|
|
|
1312 |
}
|
| 2121 |
lars |
1313 |
|
| 2144 |
lars |
1314 |
public function post($print_response = true)
|
|
|
1315 |
{
|
|
|
1316 |
if ($this->get_query_param('_method') === 'DELETE') {
|
|
|
1317 |
return $this->delete($print_response);
|
|
|
1318 |
}
|
|
|
1319 |
$upload = $this->get_upload_data($this->options['param_name']);
|
|
|
1320 |
// Parse the Content-Disposition header, if available:
|
|
|
1321 |
$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION');
|
|
|
1322 |
$file_name = $content_disposition_header ? rawurldecode(preg_replace('/(^[^"]+")|("$)/',
|
|
|
1323 |
'', $content_disposition_header)) : null;
|
|
|
1324 |
// Parse the Content-Range header, which has the following form:
|
|
|
1325 |
// Content-Range: bytes 0-524287/2000000
|
|
|
1326 |
$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE');
|
|
|
1327 |
$content_range = $content_range_header ? preg_split('/[^0-9]+/', $content_range_header) : null;
|
|
|
1328 |
$size = $content_range ? $content_range[3] : null;
|
|
|
1329 |
$files = array();
|
|
|
1330 |
if ($upload) {
|
|
|
1331 |
if (is_array($upload['tmp_name'])) {
|
|
|
1332 |
// param_name is an array identifier like "files[]",
|
|
|
1333 |
// $upload is a multi-dimensional array:
|
|
|
1334 |
foreach ($upload['tmp_name'] as $index => $value) {
|
|
|
1335 |
$files[] = $this->handle_file_upload($upload['tmp_name'][$index], $file_name ? $file_name :
|
|
|
1336 |
$upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index],
|
|
|
1337 |
$upload['error'][$index], $index, $content_range);
|
|
|
1338 |
}
|
|
|
1339 |
} else {
|
|
|
1340 |
// param_name is a single object identifier like "file",
|
|
|
1341 |
// $upload is a one-dimensional array:
|
|
|
1342 |
$files[] = $this->handle_file_upload(isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
|
|
|
1343 |
$file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ?
|
|
|
1344 |
$size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
|
|
|
1345 |
isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
|
|
|
1346 |
isset($upload['error']) ? $upload['error'] : null, null, $content_range);
|
|
|
1347 |
}
|
|
|
1348 |
}
|
|
|
1349 |
$response = array($this->options['param_name'] => $files);
|
|
|
1350 |
return $this->generate_response($response, $print_response);
|
|
|
1351 |
}
|
| 2121 |
lars |
1352 |
|
| 2144 |
lars |
1353 |
public function delete($print_response = true)
|
|
|
1354 |
{
|
|
|
1355 |
$file_names = $this->get_file_names_params();
|
|
|
1356 |
if (empty($file_names)) {
|
|
|
1357 |
$file_names = array($this->get_file_name_param());
|
|
|
1358 |
}
|
|
|
1359 |
$response = array();
|
|
|
1360 |
foreach ($file_names as $file_name) {
|
|
|
1361 |
$file_path = $this->get_upload_path($file_name);
|
|
|
1362 |
$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
|
|
|
1363 |
if ($success) {
|
|
|
1364 |
foreach ($this->options['image_versions'] as $version => $options) {
|
|
|
1365 |
if (!empty($version)) {
|
|
|
1366 |
$file = $this->get_upload_path($file_name, $version);
|
|
|
1367 |
if (is_file($file)) {
|
|
|
1368 |
unlink($file);
|
|
|
1369 |
}
|
|
|
1370 |
}
|
|
|
1371 |
}
|
|
|
1372 |
}
|
|
|
1373 |
$response[$file_name] = $success;
|
|
|
1374 |
}
|
|
|
1375 |
return $this->generate_response($response, $print_response);
|
|
|
1376 |
}
|
| 2121 |
lars |
1377 |
|
| 2144 |
lars |
1378 |
protected function basename($filepath, $suffix = null)
|
|
|
1379 |
{
|
|
|
1380 |
$splited = preg_split('/\//', rtrim($filepath, '/ '));
|
|
|
1381 |
return substr(basename('X' . $splited[count($splited) - 1], $suffix), 1);
|
|
|
1382 |
}
|
| 2121 |
lars |
1383 |
}
|