fileManager 文件管理源码

<?php /* * jQuery File Upload Plugin PHP Class * 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->response = array(); $this->options = array( 'script_url' => $this->get_full_url().'/'.basename($this->get_server_var('SCRIPT_NAME')), 'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/files/', 'upload_url' => $this->get_full_url().'/files/', 'input_stream' => 'php://input', 'user_dirs' => false, 'mkdir_mode' => 0755, 'param_name' => 'files', // Set the following option to 'POST', if your server does not support // DELETE requests. This is a parameter sent to the client: 'delete_type' => 'DELETE', 'access_control_allow_origin' => '*', 'access_control_allow_credentials' => false, 'access_control_allow_methods' => array( 'OPTIONS', 'HEAD', 'GET', 'POST', 'PUT', 'PATCH', 'DELETE' ), 'access_control_allow_headers' => array( 'Content-Type', 'Content-Range', 'Content-Disposition' ), // By default, allow redirects to the referer protocol+host: 'redirect_allow_target' => '/^'.preg_quote( parse_url($this->get_server_var('HTTP_REFERER'), PHP_URL_SCHEME) .'://' .parse_url($this->get_server_var('HTTP_REFERER'), PHP_URL_HOST) .'/', // Trailing slash to not match subdomains by mistake '/' // preg_quote delimiter param ).'/', // Enable to provide file downloads via GET requests to the PHP script: // 1. Set to 1 to download files via readfile method through PHP // 2. Set to 2 to send a X-Sendfile header for lighttpd/Apache // 3. Set to 3 to send a X-Accel-Redirect header for nginx // If set to 2 or 3, adjust the upload_url option to the base path of // the redirect parameter, e.g. '/files/'. 'download_via_php' => false, // Read files in chunks to avoid memory limits when download_via_php // is enabled, set to 0 to disable chunked reading of files: 'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB // Defines which files can be displayed inline when downloaded: 'inline_file_types' => '/\.(gif|jpe?g|png)$/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', // Use exif_imagetype on all files to correct file extensions: 'correct_image_extensions' => false, // 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' => $this->get_full_url().'/thumb/', // Uncomment the following to force the max // dimensions and e.g. create square thumbnails: //'crop' => true, 'max_width' => 80, 'max_height' => 80 ) ), 'print_response' => true ); if ($options) { $this->options = $options + $this->options; } if ($error_messages) { $this->error_messages = $error_messages + $this->error_messages; } if ($initialize) { $this->initialize();