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<?php
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namespace App\Http\Controllers;
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use Illuminate\Http\Request;
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class MediumController extends Controller
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{
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protected $options;
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// PHP File Upload error message codes:
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// https://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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'invalid_file_type' => 'Invalid file type',
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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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);
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const IMAGETYPE_GIF = 'image/gif';
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const IMAGETYPE_JPEG = 'image/jpeg';
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const IMAGETYPE_PNG = 'image/png';
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protected $image_objects = array();
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protected $response = array();
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public function __construct( $options = null, $initialize = true, $error_messages = null )
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{
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$this->options = array(
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'script_url' => $this->get_full_url() . '/' . $this->basename( $this->get_server_var( 'SCRIPT_NAME' ) ),
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'upload_dir' => dirname( $this->get_server_var( 'SCRIPT_FILENAME' ) ) . '/files/',
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'upload_url' => $this->get_full_url() . '/files/',
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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(
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parse_url( $this->get_server_var( 'HTTP_REFERER' ), PHP_URL_SCHEME )
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. '://'
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. parse_url( $this->get_server_var( 'HTTP_REFERER' ), PHP_URL_HOST )
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. '/', // Trailing slash to not match subdomains by mistake
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'/' // preg_quote delimiter param
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) . '/',
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// Enable to provide file downloads via GET requests to the PHP script:
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// 1. Set to 1 to download files via readfile method through PHP
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// 2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
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// 3. Set to 3 to send a X-Accel-Redirect header for nginx
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// If set to 2 or 3, adjust the upload_url option to the base path of
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// the redirect parameter, e.g. '/files/'.
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'download_via_php' => false,
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// Read files in chunks to avoid memory limits when download_via_php
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// is enabled, set to 0 to disable chunked reading of files:
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'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
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// Defines which files can be displayed inline when downloaded:
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'inline_file_types' => '/\.(gif|jpe?g|png)$/i',
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// Defines which files (based on their names) are accepted for upload.
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// By default, only allows file uploads with image file extensions.
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// Only change this setting after making sure that any allowed file
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// types cannot be executed by the webserver in the files directory,
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// e.g. PHP scripts, nor executed by the browser when downloaded,
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// e.g. HTML files with embedded JavaScript code.
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// Please also read the SECURITY.md document in this repository.
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'accept_file_types' => '/\.(gif|jpe?g|png)$/i',
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// Replaces dots in filenames with the given string.
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// Can be disabled by setting it to false or an empty string.
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// Note that this is a security feature for servers that support
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// multiple file extensions, e.g. the Apache AddHandler Directive:
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// https://httpd.apache.org/docs/current/mod/mod_mime.html#addhandler
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// Before disabling it, make sure that files uploaded with multiple
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// extensions cannot be executed by the webserver, e.g.
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// "example.php.png" with embedded PHP code, nor executed by the
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// browser when downloaded, e.g. "example.html.gif" with embedded
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// JavaScript code.
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'replace_dots_in_filenames' => '-',
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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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// Reads first file bytes to identify and 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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'image_versions' => array(
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// The empty image version key defines options for the original image.
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// Keep in mind: these image manipulations are inherited by all other image versions from this point onwards.
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// Also note that the property 'no_cache' is not inherited, since it's not a manipulation.
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'' => array(
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// Automatically rotate images based on EXIF meta data:
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'auto_orient' => true
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),
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// You can add arrays to generate different versions.
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// The name of the key is the name of the version (example: 'medium').
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// the array contains the options to apply.
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/*
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'medium' => array(
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'max_width' => 800,
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'max_height' => 600
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),
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*/
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'thumbnail' => array(
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// Uncomment the following to use a defined directory for the thumbnails
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// instead of a subdirectory based on the version identifier.
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// Make sure that this directory doesn't allow execution of files if you
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// don't pose any restrictions on the type of uploaded files, e.g. by
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// copying the .htaccess file from the files directory for Apache:
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//'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/thumb/',
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//'upload_url' => $this->get_full_url().'/thumb/',
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// Uncomment the following to force the max
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// dimensions and e.g. create square thumbnails:
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// 'auto_orient' => true,
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// 'crop' => true,
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// 'jpeg_quality' => 70,
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// 'no_cache' => true, (there's a caching option, but this remembers thumbnail sizes from a previous action!)
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// 'strip' => true, (this strips EXIF tags, such as geolocation)
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'max_width' => 80, // either specify width, or set to 0. Then width is automatically adjusted - keeping aspect ratio to a specified max_height.
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'max_height' => 80 // either specify height, or set to 0. Then height is automatically adjusted - keeping aspect ratio to a specified max_width.
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)
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),
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'print_response' => true
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);
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if ( $options )
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{
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$this->options = $options + $this->options;
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}
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if ( $error_messages )
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{
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$this->error_messages = $error_messages + $this->error_messages;
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}
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}
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public function index()
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{
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}
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//
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public function create()
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{
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$this->get( $this->options['print_response'] );
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}
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public function store()
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{
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$this->post( $this->options['print_response'] );
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}
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public function update()
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{
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$this->post( $this->options['print_response'] );
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}
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public function destroy()
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{
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$this->delete( $this->options['print_response'] );
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}
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protected function get_full_url(): string
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{
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if ( php_sapi_name() != "cli" )
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{
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$https = !empty( $_SERVER['HTTPS'] ) && strcasecmp( $_SERVER['HTTPS'], 'on' ) === 0 ||
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!empty( $_SERVER['HTTP_X_FORWARDED_PROTO'] ) &&
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strcasecmp( $_SERVER['HTTP_X_FORWARDED_PROTO'], 'https' ) === 0;
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return
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( $https ? 'https://' : 'http://' ) .
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( !empty( $_SERVER['REMOTE_USER'] ) ? $_SERVER['REMOTE_USER'] . '@' : '' ) .
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( $_SERVER['HTTP_HOST'] ?? ( $_SERVER['SERVER_NAME'] .
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( $https && $_SERVER['SERVER_PORT'] === 443 ||
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$_SERVER['SERVER_PORT'] === 80 ? '' : ':' . $_SERVER['SERVER_PORT'] ) ) ) .
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substr( $_SERVER['SCRIPT_NAME'], 0, strrpos( $_SERVER['SCRIPT_NAME'], '/' ) );
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}
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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(): string
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{
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if ( $this->options['user_dirs'] )
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{
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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, $version = null ): string
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{
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$file_name = $file_name ? $file_name : '';
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if ( empty( $version ) )
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{
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$version_path = '';
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}
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else
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{
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$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
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if ( $version_dir )
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{
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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()
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. $version_path . $file_name;
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}
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protected function get_query_separator( $url ): string
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{
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return !str_contains( $url, '?' ) ? '?' : '&';
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}
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protected function get_download_url( $file_name, $version = null, $direct = false ): string
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{
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if ( !$direct && $this->options['download_via_php'] )
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{
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$url = $this->options['script_url']
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. $this->get_query_separator( $this->options['script_url'] )
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. $this->get_singular_param_name()
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. '=' . rawurlencode( $file_name );
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if ( $version )
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{
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$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( $version ) )
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{
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$version_path = '';
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}
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else
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{
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$version_url = @$this->options['image_versions'][$version]['upload_url'];
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if ( $version_url )
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{
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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()
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. $version_path . rawurlencode( $file_name );
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}
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protected function set_additional_file_properties( $file ): void
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{
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$file->deleteUrl = $this->options['script_url']
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. $this->get_query_separator( $this->options['script_url'] )
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. $this->get_singular_param_name()
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. '=' . rawurlencode( $file->name );
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$file->deleteType = $this->options['delete_type'];
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if ( $file->deleteType !== 'DELETE' )
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{
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$file->deleteUrl .= '&_method=DELETE';
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}
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if ( $this->options['access_control_allow_credentials'] )
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{
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$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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328 |
// works for sizes up to 2^32-1 bytes (4 GiB - 1):
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protected function fix_integer_overflow( $size ): float
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{
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if ( $size < 0 )
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{
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$size += 2.0 * ( PHP_INT_MAX + 1 );
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}
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return $size;
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|
|
336 |
}
|
|
|
337 |
|
|
|
338 |
protected function get_file_size( $file_path, $clear_stat_cache = false ): float
|
|
|
339 |
{
|
|
|
340 |
if ( $clear_stat_cache )
|
|
|
341 |
{
|
|
|
342 |
if ( version_compare( PHP_VERSION, '5.3.0' ) >= 0 )
|
|
|
343 |
{
|
|
|
344 |
clearstatcache( true, $file_path );
|
|
|
345 |
}
|
|
|
346 |
else
|
|
|
347 |
{
|
|
|
348 |
clearstatcache();
|
|
|
349 |
}
|
|
|
350 |
}
|
|
|
351 |
return $this->fix_integer_overflow( filesize( $file_path ) );
|
|
|
352 |
}
|
|
|
353 |
|
|
|
354 |
protected function is_valid_file_object( $file_name ): bool
|
|
|
355 |
{
|
|
|
356 |
$file_path = $this->get_upload_path( $file_name );
|
|
|
357 |
if ( strlen( $file_name ) > 0 && $file_name[0] !== '.' && is_file( $file_path ) )
|
|
|
358 |
{
|
|
|
359 |
return true;
|
|
|
360 |
}
|
|
|
361 |
return false;
|
|
|
362 |
}
|
|
|
363 |
|
|
|
364 |
protected function get_file_object( $file_name ): ?\stdClass
|
|
|
365 |
{
|
|
|
366 |
if ( $this->is_valid_file_object( $file_name ) )
|
|
|
367 |
{
|
|
|
368 |
$file = new \stdClass();
|
|
|
369 |
$file->name = $file_name;
|
|
|
370 |
$file->size = $this->get_file_size(
|
|
|
371 |
$this->get_upload_path( $file_name )
|
|
|
372 |
);
|
|
|
373 |
$file->url = $this->get_download_url( $file->name );
|
|
|
374 |
foreach ( $this->options['image_versions'] as $version => $options )
|
|
|
375 |
{
|
|
|
376 |
if ( !empty( $version ) )
|
|
|
377 |
{
|
|
|
378 |
if ( is_file( $this->get_upload_path( $file_name, $version ) ) )
|
|
|
379 |
{
|
|
|
380 |
$file->{$version . 'Url'} = $this->get_download_url(
|
|
|
381 |
$file->name,
|
|
|
382 |
$version
|
|
|
383 |
);
|
|
|
384 |
}
|
|
|
385 |
}
|
|
|
386 |
}
|
|
|
387 |
$this->set_additional_file_properties( $file );
|
|
|
388 |
return $file;
|
|
|
389 |
}
|
|
|
390 |
return null;
|
|
|
391 |
}
|
|
|
392 |
|
|
|
393 |
protected function get_file_objects( $iteration_method = 'get_file_object' ): array
|
|
|
394 |
{
|
|
|
395 |
$upload_dir = $this->get_upload_path();
|
|
|
396 |
if ( !is_dir( $upload_dir ) )
|
|
|
397 |
{
|
|
|
398 |
return array();
|
|
|
399 |
}
|
|
|
400 |
return array_values( array_filter( array_map(
|
|
|
401 |
array( $this, $iteration_method ),
|
|
|
402 |
scandir( $upload_dir )
|
|
|
403 |
) ) );
|
|
|
404 |
}
|
|
|
405 |
|
|
|
406 |
protected function count_file_objects(): int
|
|
|
407 |
{
|
|
|
408 |
return count( $this->get_file_objects( 'is_valid_file_object' ) );
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
protected function get_error_message( $error )
|
|
|
412 |
{
|
|
|
413 |
return $this->error_messages[$error] ?? $error;
|
|
|
414 |
}
|
|
|
415 |
|
|
|
416 |
public function get_config_bytes( $val ): float
|
|
|
417 |
{
|
|
|
418 |
$val = trim( $val );
|
|
|
419 |
$last = strtolower( $val[strlen( $val ) - 1] );
|
|
|
420 |
if ( is_numeric( $val ) )
|
|
|
421 |
{
|
|
|
422 |
$val = (int)$val;
|
|
|
423 |
}
|
|
|
424 |
else
|
|
|
425 |
{
|
|
|
426 |
$val = (int)substr( $val, 0, -1 );
|
|
|
427 |
}
|
|
|
428 |
switch ( $last )
|
|
|
429 |
{
|
|
|
430 |
case 'g':
|
|
|
431 |
$val *= 1024;
|
|
|
432 |
case 'm':
|
|
|
433 |
$val *= 1024;
|
|
|
434 |
case 'k':
|
|
|
435 |
$val *= 1024;
|
|
|
436 |
}
|
|
|
437 |
return $this->fix_integer_overflow( $val );
|
|
|
438 |
}
|
|
|
439 |
|
|
|
440 |
protected function validate_image_file( $uploaded_file, $file, $error, $index ): bool
|
|
|
441 |
{
|
|
|
442 |
if ( $this->imagetype( $uploaded_file ) !== $this->get_file_type( $file->name ) )
|
|
|
443 |
{
|
|
|
444 |
$file->error = $this->get_error_message( 'invalid_file_type' );
|
|
|
445 |
return false;
|
|
|
446 |
}
|
|
|
447 |
$max_width = @$this->options['max_width'];
|
|
|
448 |
$max_height = @$this->options['max_height'];
|
|
|
449 |
$min_width = @$this->options['min_width'];
|
|
|
450 |
$min_height = @$this->options['min_height'];
|
|
|
451 |
if ( $max_width || $max_height || $min_width || $min_height )
|
|
|
452 |
{
|
|
|
453 |
list( $img_width, $img_height ) = $this->get_image_size( $uploaded_file );
|
|
|
454 |
// If we are auto rotating the image by default, do the checks on
|
|
|
455 |
// the correct orientation
|
|
|
456 |
if (
|
|
|
457 |
@$this->options['image_versions']['']['auto_orient'] &&
|
|
|
458 |
function_exists( 'exif_read_data' ) &&
|
|
|
459 |
( $exif = @exif_read_data( $uploaded_file ) ) &&
|
|
|
460 |
( ( (int)@$exif['Orientation'] ) >= 5 )
|
|
|
461 |
)
|
|
|
462 |
{
|
|
|
463 |
$tmp = $img_width;
|
|
|
464 |
$img_width = $img_height;
|
|
|
465 |
$img_height = $tmp;
|
|
|
466 |
unset( $tmp );
|
|
|
467 |
}
|
|
|
468 |
if ( !empty( $img_width ) && !empty( $img_height ) )
|
|
|
469 |
{
|
|
|
470 |
if ( $max_width && $img_width > $max_width )
|
|
|
471 |
{
|
|
|
472 |
$file->error = $this->get_error_message( 'max_width' );
|
|
|
473 |
return false;
|
|
|
474 |
}
|
|
|
475 |
if ( $max_height && $img_height > $max_height )
|
|
|
476 |
{
|
|
|
477 |
$file->error = $this->get_error_message( 'max_height' );
|
|
|
478 |
return false;
|
|
|
479 |
}
|
|
|
480 |
if ( $min_width && $img_width < $min_width )
|
|
|
481 |
{
|
|
|
482 |
$file->error = $this->get_error_message( 'min_width' );
|
|
|
483 |
return false;
|
|
|
484 |
}
|
|
|
485 |
if ( $min_height && $img_height < $min_height )
|
|
|
486 |
{
|
|
|
487 |
$file->error = $this->get_error_message( 'min_height' );
|
|
|
488 |
return false;
|
|
|
489 |
}
|
|
|
490 |
}
|
|
|
491 |
}
|
|
|
492 |
return true;
|
|
|
493 |
}
|
|
|
494 |
|
|
|
495 |
protected function validate_file( $uploaded_file, $file, $error, $index, $content_range ): bool
|
|
|
496 |
{
|
|
|
497 |
if ( $error )
|
|
|
498 |
{
|
|
|
499 |
$file->error = $this->get_error_message( $error );
|
|
|
500 |
return false;
|
|
|
501 |
}
|
|
|
502 |
$content_length = $this->fix_integer_overflow(
|
|
|
503 |
(int)$this->get_server_var( 'CONTENT_LENGTH' )
|
|
|
504 |
);
|
|
|
505 |
$post_max_size = $this->get_config_bytes( ini_get( 'post_max_size' ) );
|
|
|
506 |
if ( $post_max_size && ( $content_length > $post_max_size ) )
|
|
|
507 |
{
|
|
|
508 |
$file->error = $this->get_error_message( 'post_max_size' );
|
|
|
509 |
return false;
|
|
|
510 |
}
|
|
|
511 |
if ( !preg_match( $this->options['accept_file_types'], $file->name ) )
|
|
|
512 |
{
|
|
|
513 |
$file->error = $this->get_error_message( 'accept_file_types' );
|
|
|
514 |
return false;
|
|
|
515 |
}
|
|
|
516 |
if ( $uploaded_file && is_uploaded_file( $uploaded_file ) )
|
|
|
517 |
{
|
|
|
518 |
$file_size = $this->get_file_size( $uploaded_file );
|
|
|
519 |
}
|
|
|
520 |
else
|
|
|
521 |
{
|
|
|
522 |
$file_size = $content_length;
|
|
|
523 |
}
|
|
|
524 |
if (
|
|
|
525 |
$this->options['max_file_size'] && (
|
|
|
526 |
$file_size > $this->options['max_file_size'] ||
|
|
|
527 |
$file->size > $this->options['max_file_size'] )
|
|
|
528 |
)
|
|
|
529 |
{
|
|
|
530 |
$file->error = $this->get_error_message( 'max_file_size' );
|
|
|
531 |
return false;
|
|
|
532 |
}
|
|
|
533 |
if (
|
|
|
534 |
$this->options['min_file_size'] &&
|
|
|
535 |
$file_size < $this->options['min_file_size']
|
|
|
536 |
)
|
|
|
537 |
{
|
|
|
538 |
$file->error = $this->get_error_message( 'min_file_size' );
|
|
|
539 |
return false;
|
|
|
540 |
}
|
|
|
541 |
if (
|
|
|
542 |
is_int( $this->options['max_number_of_files'] ) &&
|
|
|
543 |
( $this->count_file_objects() >= $this->options['max_number_of_files'] ) &&
|
|
|
544 |
// Ignore additional chunks of existing files:
|
|
|
545 |
!is_file( $this->get_upload_path( $file->name ) )
|
|
|
546 |
)
|
|
|
547 |
{
|
|
|
548 |
$file->error = $this->get_error_message( 'max_number_of_files' );
|
|
|
549 |
return false;
|
|
|
550 |
}
|
|
|
551 |
if ( !$content_range && $this->has_image_file_extension( $file->name ) )
|
|
|
552 |
{
|
|
|
553 |
return $this->validate_image_file( $uploaded_file, $file, $error, $index );
|
|
|
554 |
}
|
|
|
555 |
return true;
|
|
|
556 |
}
|
|
|
557 |
|
|
|
558 |
protected function upcount_name_callback( $matches ): string
|
|
|
559 |
{
|
|
|
560 |
$index = isset( $matches[1] ) ? ( (int)$matches[1] ) + 1 : 1;
|
|
|
561 |
$ext = isset( $matches[2] ) ? $matches[2] : '';
|
|
|
562 |
return ' (' . $index . ')' . $ext;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
protected function upcount_name( $name )
|
|
|
566 |
{
|
|
|
567 |
return preg_replace_callback(
|
|
|
568 |
'/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/',
|
|
|
569 |
array( $this, 'upcount_name_callback' ),
|
|
|
570 |
$name,
|
|
|
571 |
1
|
|
|
572 |
);
|
|
|
573 |
}
|
|
|
574 |
|
|
|
575 |
protected function get_unique_filename( $file_path, $name, $size, $type, $error,
|
|
|
576 |
$index, $content_range )
|
|
|
577 |
{
|
|
|
578 |
while ( is_dir( $this->get_upload_path( $name ) ) )
|
|
|
579 |
{
|
|
|
580 |
$name = $this->upcount_name( $name );
|
|
|
581 |
}
|
|
|
582 |
// Keep an existing filename if this is part of a chunked upload:
|
|
|
583 |
$uploaded_bytes = $this->fix_integer_overflow( (int)@$content_range[1] );
|
|
|
584 |
while ( is_file( $this->get_upload_path( $name ) ) )
|
|
|
585 |
{
|
|
|
586 |
if (
|
|
|
587 |
$uploaded_bytes === $this->get_file_size(
|
|
|
588 |
$this->get_upload_path( $name ) )
|
|
|
589 |
)
|
|
|
590 |
{
|
|
|
591 |
break;
|
|
|
592 |
}
|
|
|
593 |
$name = $this->upcount_name( $name );
|
|
|
594 |
}
|
|
|
595 |
return $name;
|
|
|
596 |
}
|
|
|
597 |
|
|
|
598 |
protected function get_valid_image_extensions( $file_path )
|
|
|
599 |
{
|
|
|
600 |
switch ( $this->imagetype( $file_path ) )
|
|
|
601 |
{
|
|
|
602 |
case self::IMAGETYPE_JPEG:
|
|
|
603 |
return array( 'jpg', 'jpeg' );
|
|
|
604 |
case self::IMAGETYPE_PNG:
|
|
|
605 |
return array( 'png' );
|
|
|
606 |
case self::IMAGETYPE_GIF:
|
|
|
607 |
return array( 'gif' );
|
|
|
608 |
}
|
|
|
609 |
}
|
|
|
610 |
|
|
|
611 |
protected function fix_file_extension( $file_path, $name, $size, $type, $error,
|
|
|
612 |
$index, $content_range )
|
|
|
613 |
{
|
|
|
614 |
// Add missing file extension for known image types:
|
|
|
615 |
if (
|
|
|
616 |
strpos( $name, '.' ) === false &&
|
|
|
617 |
preg_match( '/^image\/(gif|jpe?g|png)/', $type, $matches )
|
|
|
618 |
)
|
|
|
619 |
{
|
|
|
620 |
$name .= '.' . $matches[1];
|
|
|
621 |
}
|
|
|
622 |
if ( $this->options['correct_image_extensions'] )
|
|
|
623 |
{
|
|
|
624 |
$extensions = $this->get_valid_image_extensions( $file_path );
|
|
|
625 |
// Adjust incorrect image file extensions:
|
|
|
626 |
if ( !empty( $extensions ) )
|
|
|
627 |
{
|
|
|
628 |
$parts = explode( '.', $name );
|
|
|
629 |
$extIndex = count( $parts ) - 1;
|
|
|
630 |
$ext = strtolower( @$parts[$extIndex] );
|
|
|
631 |
if ( !in_array( $ext, $extensions ) )
|
|
|
632 |
{
|
|
|
633 |
$parts[$extIndex] = $extensions[0];
|
|
|
634 |
$name = implode( '.', $parts );
|
|
|
635 |
}
|
|
|
636 |
}
|
|
|
637 |
}
|
|
|
638 |
return $name;
|
|
|
639 |
}
|
|
|
640 |
|
|
|
641 |
protected function trim_file_name( $file_path, $name, $size, $type, $error,
|
|
|
642 |
$index, $content_range ): array|string
|
|
|
643 |
{
|
|
|
644 |
// Remove path information and dots around the filename, to prevent uploading
|
|
|
645 |
// into different directories or replacing hidden system files.
|
|
|
646 |
// Also remove control characters and spaces (\x00..\x20) around the filename:
|
|
|
647 |
$name = trim( $this->basename( stripslashes( $name ) ), ".\x00..\x20" );
|
|
|
648 |
// Replace dots in filenames to avoid security issues with servers
|
|
|
649 |
// that interpret multiple file extensions, e.g. "example.php.png":
|
|
|
650 |
$replacement = $this->options['replace_dots_in_filenames'];
|
|
|
651 |
if ( !empty( $replacement ) )
|
|
|
652 |
{
|
|
|
653 |
$parts = explode( '.', $name );
|
|
|
654 |
if ( count( $parts ) > 2 )
|
|
|
655 |
{
|
|
|
656 |
$ext = array_pop( $parts );
|
|
|
657 |
$name = implode( $replacement, $parts ) . '.' . $ext;
|
|
|
658 |
}
|
|
|
659 |
}
|
|
|
660 |
// Use a timestamp for empty filenames:
|
|
|
661 |
if ( !$name )
|
|
|
662 |
{
|
|
|
663 |
$name = str_replace( '.', '-', microtime( true ) );
|
|
|
664 |
}
|
|
|
665 |
return $name;
|
|
|
666 |
}
|
|
|
667 |
|
|
|
668 |
protected function get_file_name( $file_path, $name, $size, $type, $error,
|
|
|
669 |
$index, $content_range )
|
|
|
670 |
{
|
|
|
671 |
$name = $this->trim_file_name( $file_path, $name, $size, $type, $error,
|
|
|
672 |
$index, $content_range );
|
|
|
673 |
return $this->get_unique_filename(
|
|
|
674 |
$file_path,
|
|
|
675 |
$this->fix_file_extension( $file_path, $name, $size, $type, $error,
|
|
|
676 |
$index, $content_range ),
|
|
|
677 |
$size,
|
|
|
678 |
$type,
|
|
|
679 |
$error,
|
|
|
680 |
$index,
|
|
|
681 |
$content_range
|
|
|
682 |
);
|
|
|
683 |
}
|
|
|
684 |
|
|
|
685 |
protected function get_scaled_image_file_paths( $file_name, $version )
|
|
|
686 |
{
|
|
|
687 |
$file_path = $this->get_upload_path( $file_name );
|
|
|
688 |
if ( !empty( $version ) )
|
|
|
689 |
{
|
|
|
690 |
$version_dir = $this->get_upload_path( null, $version );
|
|
|
691 |
if ( !is_dir( $version_dir ) )
|
|
|
692 |
{
|
|
|
693 |
mkdir( $version_dir, $this->options['mkdir_mode'], true );
|
|
|
694 |
}
|
|
|
695 |
$new_file_path = $version_dir . '/' . $file_name;
|
|
|
696 |
}
|
|
|
697 |
else
|
|
|
698 |
{
|
|
|
699 |
$new_file_path = $file_path;
|
|
|
700 |
}
|
|
|
701 |
return array( $file_path, $new_file_path );
|
|
|
702 |
}
|
|
|
703 |
|
|
|
704 |
protected function gd_get_image_object( $file_path, $func, $no_cache = false )
|
|
|
705 |
{
|
|
|
706 |
if ( empty( $this->image_objects[$file_path] ) || $no_cache )
|
|
|
707 |
{
|
|
|
708 |
$this->gd_destroy_image_object( $file_path );
|
|
|
709 |
$this->image_objects[$file_path] = $func( $file_path );
|
|
|
710 |
}
|
|
|
711 |
return $this->image_objects[$file_path];
|
|
|
712 |
}
|
|
|
713 |
|
|
|
714 |
protected function gd_set_image_object( $file_path, $image )
|
|
|
715 |
{
|
|
|
716 |
$this->gd_destroy_image_object( $file_path );
|
|
|
717 |
$this->image_objects[$file_path] = $image;
|
|
|
718 |
}
|
|
|
719 |
|
|
|
720 |
protected function gd_destroy_image_object( $file_path )
|
|
|
721 |
{
|
|
|
722 |
$image = ( isset( $this->image_objects[$file_path] ) ) ? $this->image_objects[$file_path] : null;
|
|
|
723 |
return $image && imagedestroy( $image );
|
|
|
724 |
}
|
|
|
725 |
|
|
|
726 |
protected function gd_imageflip( $image, $mode )
|
|
|
727 |
{
|
|
|
728 |
if ( function_exists( 'imageflip' ) )
|
|
|
729 |
{
|
|
|
730 |
return imageflip( $image, $mode );
|
|
|
731 |
}
|
|
|
732 |
$new_width = $src_width = imagesx( $image );
|
|
|
733 |
$new_height = $src_height = imagesy( $image );
|
|
|
734 |
$new_img = imagecreatetruecolor( $new_width, $new_height );
|
|
|
735 |
$src_x = 0;
|
|
|
736 |
$src_y = 0;
|
|
|
737 |
switch ( $mode )
|
|
|
738 |
{
|
|
|
739 |
case '1': // flip on the horizontal axis
|
|
|
740 |
$src_y = $new_height - 1;
|
|
|
741 |
$src_height = -$new_height;
|
|
|
742 |
break;
|
|
|
743 |
case '2': // flip on the vertical axis
|
|
|
744 |
$src_x = $new_width - 1;
|
|
|
745 |
$src_width = -$new_width;
|
|
|
746 |
break;
|
|
|
747 |
case '3': // flip on both axes
|
|
|
748 |
$src_y = $new_height - 1;
|
|
|
749 |
$src_height = -$new_height;
|
|
|
750 |
$src_x = $new_width - 1;
|
|
|
751 |
$src_width = -$new_width;
|
|
|
752 |
break;
|
|
|
753 |
default:
|
|
|
754 |
return $image;
|
|
|
755 |
}
|
|
|
756 |
imagecopyresampled(
|
|
|
757 |
$new_img,
|
|
|
758 |
$image,
|
|
|
759 |
0,
|
|
|
760 |
0,
|
|
|
761 |
$src_x,
|
|
|
762 |
$src_y,
|
|
|
763 |
$new_width,
|
|
|
764 |
$new_height,
|
|
|
765 |
$src_width,
|
|
|
766 |
$src_height
|
|
|
767 |
);
|
|
|
768 |
return $new_img;
|
|
|
769 |
}
|
|
|
770 |
|
|
|
771 |
protected function gd_orient_image( $file_path, $src_img )
|
|
|
772 |
{
|
|
|
773 |
if ( !function_exists( 'exif_read_data' ) )
|
|
|
774 |
{
|
|
|
775 |
return false;
|
|
|
776 |
}
|
|
|
777 |
$exif = @exif_read_data( $file_path );
|
|
|
778 |
if ( $exif === false )
|
|
|
779 |
{
|
|
|
780 |
return false;
|
|
|
781 |
}
|
|
|
782 |
$orientation = (int)@$exif['Orientation'];
|
|
|
783 |
if ( $orientation < 2 || $orientation > 8 )
|
|
|
784 |
{
|
|
|
785 |
return false;
|
|
|
786 |
}
|
|
|
787 |
switch ( $orientation )
|
|
|
788 |
{
|
|
|
789 |
case 2:
|
|
|
790 |
$new_img = $this->gd_imageflip(
|
|
|
791 |
$src_img,
|
|
|
792 |
defined( 'IMG_FLIP_VERTICAL' ) ? IMG_FLIP_VERTICAL : 2
|
|
|
793 |
);
|
|
|
794 |
break;
|
|
|
795 |
case 3:
|
|
|
796 |
$new_img = imagerotate( $src_img, 180, 0 );
|
|
|
797 |
break;
|
|
|
798 |
case 4:
|
|
|
799 |
$new_img = $this->gd_imageflip(
|
|
|
800 |
$src_img,
|
|
|
801 |
defined( 'IMG_FLIP_HORIZONTAL' ) ? IMG_FLIP_HORIZONTAL : 1
|
|
|
802 |
);
|
|
|
803 |
break;
|
|
|
804 |
case 5:
|
|
|
805 |
$tmp_img = $this->gd_imageflip(
|
|
|
806 |
$src_img,
|
|
|
807 |
defined( 'IMG_FLIP_HORIZONTAL' ) ? IMG_FLIP_HORIZONTAL : 1
|
|
|
808 |
);
|
|
|
809 |
$new_img = imagerotate( $tmp_img, 270, 0 );
|
|
|
810 |
imagedestroy( $tmp_img );
|
|
|
811 |
break;
|
|
|
812 |
case 6:
|
|
|
813 |
$new_img = imagerotate( $src_img, 270, 0 );
|
|
|
814 |
break;
|
|
|
815 |
case 7:
|
|
|
816 |
$tmp_img = $this->gd_imageflip(
|
|
|
817 |
$src_img,
|
|
|
818 |
defined( 'IMG_FLIP_VERTICAL' ) ? IMG_FLIP_VERTICAL : 2
|
|
|
819 |
);
|
|
|
820 |
$new_img = imagerotate( $tmp_img, 270, 0 );
|
|
|
821 |
imagedestroy( $tmp_img );
|
|
|
822 |
break;
|
|
|
823 |
case 8:
|
|
|
824 |
$new_img = imagerotate( $src_img, 90, 0 );
|
|
|
825 |
break;
|
|
|
826 |
default:
|
|
|
827 |
return false;
|
|
|
828 |
}
|
|
|
829 |
$this->gd_set_image_object( $file_path, $new_img );
|
|
|
830 |
return true;
|
|
|
831 |
}
|
|
|
832 |
|
|
|
833 |
protected function gd_create_scaled_image( $file_name, $version, $options )
|
|
|
834 |
{
|
|
|
835 |
if ( !function_exists( 'imagecreatetruecolor' ) )
|
|
|
836 |
{
|
|
|
837 |
error_log( 'Function not found: imagecreatetruecolor' );
|
|
|
838 |
return false;
|
|
|
839 |
}
|
|
|
840 |
list( $file_path, $new_file_path ) =
|
|
|
841 |
$this->get_scaled_image_file_paths( $file_name, $version );
|
|
|
842 |
$type = strtolower( substr( strrchr( $file_name, '.' ), 1 ) );
|
|
|
843 |
switch ( $type )
|
|
|
844 |
{
|
|
|
845 |
case 'jpg':
|
|
|
846 |
case 'jpeg':
|
|
|
847 |
$src_func = 'imagecreatefromjpeg';
|
|
|
848 |
$write_func = 'imagejpeg';
|
|
|
849 |
$image_quality = $options['jpeg_quality'] ?? 75;
|
|
|
850 |
break;
|
|
|
851 |
case 'gif':
|
|
|
852 |
$src_func = 'imagecreatefromgif';
|
|
|
853 |
$write_func = 'imagegif';
|
|
|
854 |
$image_quality = null;
|
|
|
855 |
break;
|
|
|
856 |
case 'png':
|
|
|
857 |
$src_func = 'imagecreatefrompng';
|
|
|
858 |
$write_func = 'imagepng';
|
|
|
859 |
$image_quality = $options['png_quality'] ?? 9;
|
|
|
860 |
break;
|
|
|
861 |
default:
|
|
|
862 |
return false;
|
|
|
863 |
}
|
|
|
864 |
$src_img = $this->gd_get_image_object(
|
|
|
865 |
$file_path,
|
|
|
866 |
$src_func,
|
|
|
867 |
!empty( $options['no_cache'] )
|
|
|
868 |
);
|
|
|
869 |
$image_oriented = false;
|
|
|
870 |
if (
|
|
|
871 |
!empty( $options['auto_orient'] ) && $this->gd_orient_image(
|
|
|
872 |
$file_path,
|
|
|
873 |
$src_img
|
|
|
874 |
)
|
|
|
875 |
)
|
|
|
876 |
{
|
|
|
877 |
$image_oriented = true;
|
|
|
878 |
$src_img = $this->gd_get_image_object(
|
|
|
879 |
$file_path,
|
|
|
880 |
$src_func
|
|
|
881 |
);
|
|
|
882 |
}
|
|
|
883 |
$max_width = $img_width = imagesx( $src_img );
|
|
|
884 |
$max_height = $img_height = imagesy( $src_img );
|
|
|
885 |
if ( !empty( $options['max_width'] ) )
|
|
|
886 |
{
|
|
|
887 |
$max_width = $options['max_width'];
|
|
|
888 |
}
|
|
|
889 |
if ( !empty( $options['max_height'] ) )
|
|
|
890 |
{
|
|
|
891 |
$max_height = $options['max_height'];
|
|
|
892 |
}
|
|
|
893 |
$scale = min(
|
|
|
894 |
$max_width / $img_width,
|
|
|
895 |
$max_height / $img_height
|
|
|
896 |
);
|
|
|
897 |
if ( $scale >= 1 )
|
|
|
898 |
{
|
|
|
899 |
if ( $image_oriented )
|
|
|
900 |
{
|
|
|
901 |
return $write_func( $src_img, $new_file_path, $image_quality );
|
|
|
902 |
}
|
|
|
903 |
if ( $file_path !== $new_file_path )
|
|
|
904 |
{
|
|
|
905 |
return copy( $file_path, $new_file_path );
|
|
|
906 |
}
|
|
|
907 |
return true;
|
|
|
908 |
}
|
|
|
909 |
if ( empty( $options['crop'] ) )
|
|
|
910 |
{
|
|
|
911 |
$new_width = $img_width * $scale;
|
|
|
912 |
$new_height = $img_height * $scale;
|
|
|
913 |
$dst_x = 0;
|
|
|
914 |
$dst_y = 0;
|
|
|
915 |
$new_img = imagecreatetruecolor( $new_width, $new_height );
|
|
|
916 |
}
|
|
|
917 |
else
|
|
|
918 |
{
|
|
|
919 |
if ( ( $img_width / $img_height ) >= ( $max_width / $max_height ) )
|
|
|
920 |
{
|
|
|
921 |
$new_width = $img_width / ( $img_height / $max_height );
|
|
|
922 |
$new_height = $max_height;
|
|
|
923 |
}
|
|
|
924 |
else
|
|
|
925 |
{
|
|
|
926 |
$new_width = $max_width;
|
|
|
927 |
$new_height = $img_height / ( $img_width / $max_width );
|
|
|
928 |
}
|
|
|
929 |
$dst_x = 0 - ( $new_width - $max_width ) / 2;
|
|
|
930 |
$dst_y = 0 - ( $new_height - $max_height ) / 2;
|
|
|
931 |
$new_img = imagecreatetruecolor( $max_width, $max_height );
|
|
|
932 |
}
|
|
|
933 |
// Handle transparency in GIF and PNG images:
|
|
|
934 |
switch ( $type )
|
|
|
935 |
{
|
|
|
936 |
case 'gif':
|
|
|
937 |
imagecolortransparent( $new_img, imagecolorallocate( $new_img, 0, 0, 0 ) );
|
|
|
938 |
break;
|
|
|
939 |
case 'png':
|
|
|
940 |
imagecolortransparent( $new_img, imagecolorallocate( $new_img, 0, 0, 0 ) );
|
|
|
941 |
imagealphablending( $new_img, false );
|
|
|
942 |
imagesavealpha( $new_img, true );
|
|
|
943 |
break;
|
|
|
944 |
}
|
|
|
945 |
$success = imagecopyresampled(
|
|
|
946 |
$new_img,
|
|
|
947 |
$src_img,
|
|
|
948 |
$dst_x,
|
|
|
949 |
$dst_y,
|
|
|
950 |
0,
|
|
|
951 |
0,
|
|
|
952 |
$new_width,
|
|
|
953 |
$new_height,
|
|
|
954 |
$img_width,
|
|
|
955 |
$img_height
|
|
|
956 |
) && $write_func( $new_img, $new_file_path, $image_quality );
|
|
|
957 |
$this->gd_set_image_object( $file_path, $new_img );
|
|
|
958 |
return $success;
|
|
|
959 |
}
|
|
|
960 |
|
|
|
961 |
protected function imagick_get_image_object( $file_path, $no_cache = false )
|
|
|
962 |
{
|
|
|
963 |
if ( empty( $this->image_objects[$file_path] ) || $no_cache )
|
|
|
964 |
{
|
|
|
965 |
$this->imagick_destroy_image_object( $file_path );
|
|
|
966 |
$image = new \Imagick();
|
|
|
967 |
if ( !empty( $this->options['imagick_resource_limits'] ) )
|
|
|
968 |
{
|
|
|
969 |
foreach ( $this->options['imagick_resource_limits'] as $type => $limit )
|
|
|
970 |
{
|
|
|
971 |
$image->setResourceLimit( $type, $limit );
|
|
|
972 |
}
|
|
|
973 |
}
|
|
|
974 |
try
|
|
|
975 |
{
|
|
|
976 |
$image->readImage( $file_path );
|
|
|
977 |
}
|
|
|
978 |
catch ( ImagickException $e )
|
|
|
979 |
{
|
|
|
980 |
error_log( $e->getMessage() );
|
|
|
981 |
return null;
|
|
|
982 |
}
|
|
|
983 |
$this->image_objects[$file_path] = $image;
|
|
|
984 |
}
|
|
|
985 |
return $this->image_objects[$file_path];
|
|
|
986 |
}
|
|
|
987 |
|
|
|
988 |
protected function imagick_set_image_object( $file_path, $image )
|
|
|
989 |
{
|
|
|
990 |
$this->imagick_destroy_image_object( $file_path );
|
|
|
991 |
$this->image_objects[$file_path] = $image;
|
|
|
992 |
}
|
|
|
993 |
|
|
|
994 |
protected function imagick_destroy_image_object( $file_path )
|
|
|
995 |
{
|
|
|
996 |
$image = ( isset( $this->image_objects[$file_path] ) ) ? $this->image_objects[$file_path] : null;
|
|
|
997 |
return $image && $image->destroy();
|
|
|
998 |
}
|
|
|
999 |
|
|
|
1000 |
protected function imagick_orient_image( $image ): bool
|
|
|
1001 |
{
|
|
|
1002 |
$orientation = $image->getImageOrientation();
|
|
|
1003 |
$background = new \ImagickPixel( 'none' );
|
|
|
1004 |
switch ( $orientation )
|
|
|
1005 |
{
|
|
|
1006 |
case \imagick::ORIENTATION_TOPRIGHT: // 2
|
|
|
1007 |
$image->flopImage(); // horizontal flop around y-axis
|
|
|
1008 |
break;
|
|
|
1009 |
case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
|
|
|
1010 |
$image->rotateImage( $background, 180 );
|
|
|
1011 |
break;
|
|
|
1012 |
case \imagick::ORIENTATION_BOTTOMLEFT: // 4
|
|
|
1013 |
$image->flipImage(); // vertical flip around x-axis
|
|
|
1014 |
break;
|
|
|
1015 |
case \imagick::ORIENTATION_LEFTTOP: // 5
|
|
|
1016 |
$image->flopImage(); // horizontal flop around y-axis
|
|
|
1017 |
$image->rotateImage( $background, 270 );
|
|
|
1018 |
break;
|
|
|
1019 |
case \imagick::ORIENTATION_RIGHTTOP: // 6
|
|
|
1020 |
$image->rotateImage( $background, 90 );
|
|
|
1021 |
break;
|
|
|
1022 |
case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
|
|
|
1023 |
$image->flipImage(); // vertical flip around x-axis
|
|
|
1024 |
$image->rotateImage( $background, 270 );
|
|
|
1025 |
break;
|
|
|
1026 |
case \imagick::ORIENTATION_LEFTBOTTOM: // 8
|
|
|
1027 |
$image->rotateImage( $background, 270 );
|
|
|
1028 |
break;
|
|
|
1029 |
default:
|
|
|
1030 |
return false;
|
|
|
1031 |
}
|
|
|
1032 |
$image->setImageOrientation( \imagick::ORIENTATION_TOPLEFT ); // 1
|
|
|
1033 |
return true;
|
|
|
1034 |
}
|
|
|
1035 |
|
|
|
1036 |
protected function imagick_create_scaled_image( $file_name, $version, $options ): bool
|
|
|
1037 |
{
|
|
|
1038 |
list( $file_path, $new_file_path ) =
|
|
|
1039 |
$this->get_scaled_image_file_paths( $file_name, $version );
|
|
|
1040 |
$image = $this->imagick_get_image_object(
|
|
|
1041 |
$file_path,
|
|
|
1042 |
!empty( $options['crop'] ) || !empty( $options['no_cache'] )
|
|
|
1043 |
);
|
|
|
1044 |
if ( is_null( $image ) )
|
|
|
1045 |
{
|
|
|
1046 |
return false;
|
|
|
1047 |
}
|
|
|
1048 |
if ( $image->getImageFormat() === 'GIF' )
|
|
|
1049 |
{
|
|
|
1050 |
// Handle animated GIFs:
|
|
|
1051 |
$images = $image->coalesceImages();
|
|
|
1052 |
foreach ( $images as $frame )
|
|
|
1053 |
{
|
|
|
1054 |
$image = $frame;
|
|
|
1055 |
$this->imagick_set_image_object( $file_name, $image );
|
|
|
1056 |
break;
|
|
|
1057 |
}
|
|
|
1058 |
}
|
|
|
1059 |
$image_oriented = false;
|
|
|
1060 |
if ( !empty( $options['auto_orient'] ) )
|
|
|
1061 |
{
|
|
|
1062 |
$image_oriented = $this->imagick_orient_image( $image );
|
|
|
1063 |
}
|
|
|
1064 |
$image_resize = false;
|
|
|
1065 |
$new_width = $max_width = $img_width = $image->getImageWidth();
|
|
|
1066 |
$new_height = $max_height = $img_height = $image->getImageHeight();
|
|
|
1067 |
// use isset(). User might be setting max_width = 0 (auto in regular resizing). Value 0 would be considered empty when you use empty()
|
|
|
1068 |
if ( isset( $options['max_width'] ) )
|
|
|
1069 |
{
|
|
|
1070 |
$image_resize = true;
|
|
|
1071 |
$new_width = $max_width = $options['max_width'];
|
|
|
1072 |
}
|
|
|
1073 |
if ( isset( $options['max_height'] ) )
|
|
|
1074 |
{
|
|
|
1075 |
$image_resize = true;
|
|
|
1076 |
$new_height = $max_height = $options['max_height'];
|
|
|
1077 |
}
|
|
|
1078 |
$image_strip = ( isset( $options['strip'] ) ? $options['strip'] : false );
|
|
|
1079 |
if ( !$image_oriented && ( $max_width >= $img_width ) && ( $max_height >= $img_height ) && !$image_strip && empty( $options["jpeg_quality"] ) )
|
|
|
1080 |
{
|
|
|
1081 |
if ( $file_path !== $new_file_path )
|
|
|
1082 |
{
|
|
|
1083 |
return copy( $file_path, $new_file_path );
|
|
|
1084 |
}
|
|
|
1085 |
return true;
|
|
|
1086 |
}
|
|
|
1087 |
$crop = ( isset( $options['crop'] ) ? $options['crop'] : false );
|
|
|
1088 |
|
|
|
1089 |
if ( $crop )
|
|
|
1090 |
{
|
|
|
1091 |
$x = 0;
|
|
|
1092 |
$y = 0;
|
|
|
1093 |
if ( ( $img_width / $img_height ) >= ( $max_width / $max_height ) )
|
|
|
1094 |
{
|
|
|
1095 |
$new_width = 0; // Enables proportional scaling based on max_height
|
|
|
1096 |
$x = ( $img_width / ( $img_height / $max_height ) - $max_width ) / 2;
|
|
|
1097 |
}
|
|
|
1098 |
else
|
|
|
1099 |
{
|
|
|
1100 |
$new_height = 0; // Enables proportional scaling based on max_width
|
|
|
1101 |
$y = ( $img_height / ( $img_width / $max_width ) - $max_height ) / 2;
|
|
|
1102 |
}
|
|
|
1103 |
}
|
|
|
1104 |
$success = $image->resizeImage(
|
|
|
1105 |
$new_width,
|
|
|
1106 |
$new_height,
|
|
|
1107 |
isset( $options['filter'] ) ? $options['filter'] : \imagick::FILTER_LANCZOS,
|
|
|
1108 |
isset( $options['blur'] ) ? $options['blur'] : 1,
|
|
|
1109 |
$new_width && $new_height // fit image into constraints if not to be cropped
|
|
|
1110 |
);
|
|
|
1111 |
if ( $success && $crop )
|
|
|
1112 |
{
|
|
|
1113 |
$success = $image->cropImage(
|
|
|
1114 |
$max_width,
|
|
|
1115 |
$max_height,
|
|
|
1116 |
$x,
|
|
|
1117 |
$y
|
|
|
1118 |
);
|
|
|
1119 |
if ( $success )
|
|
|
1120 |
{
|
|
|
1121 |
$success = $image->setImagePage( $max_width, $max_height, 0, 0 );
|
|
|
1122 |
}
|
|
|
1123 |
}
|
|
|
1124 |
$type = strtolower( substr( strrchr( $file_name, '.' ), 1 ) );
|
|
|
1125 |
switch ( $type )
|
|
|
1126 |
{
|
|
|
1127 |
case 'jpg':
|
|
|
1128 |
case 'jpeg':
|
|
|
1129 |
if ( !empty( $options['jpeg_quality'] ) )
|
|
|
1130 |
{
|
|
|
1131 |
$image->setImageCompression( \imagick::COMPRESSION_JPEG );
|
|
|
1132 |
$image->setImageCompressionQuality( $options['jpeg_quality'] );
|
|
|
1133 |
}
|
|
|
1134 |
break;
|
|
|
1135 |
}
|
|
|
1136 |
if ( $image_strip )
|
|
|
1137 |
{
|
|
|
1138 |
$image->stripImage();
|
|
|
1139 |
}
|
|
|
1140 |
return $success && $image->writeImage( $new_file_path );
|
|
|
1141 |
}
|
|
|
1142 |
|
|
|
1143 |
protected function imagemagick_create_scaled_image( $file_name, $version, $options ): bool
|
|
|
1144 |
{
|
|
|
1145 |
list( $file_path, $new_file_path ) =
|
|
|
1146 |
$this->get_scaled_image_file_paths( $file_name, $version );
|
|
|
1147 |
$resize = @$options['max_width']
|
|
|
1148 |
. ( empty( $options['max_height'] ) ? '' : 'X' . $options['max_height'] );
|
|
|
1149 |
if ( !$resize && empty( $options['auto_orient'] ) )
|
|
|
1150 |
{
|
|
|
1151 |
if ( $file_path !== $new_file_path )
|
|
|
1152 |
{
|
|
|
1153 |
return copy( $file_path, $new_file_path );
|
|
|
1154 |
}
|
|
|
1155 |
return true;
|
|
|
1156 |
}
|
|
|
1157 |
$cmd = $this->options['convert_bin'];
|
|
|
1158 |
if ( !empty( $this->options['convert_params'] ) )
|
|
|
1159 |
{
|
|
|
1160 |
$cmd .= ' ' . $this->options['convert_params'];
|
|
|
1161 |
}
|
|
|
1162 |
$cmd .= ' ' . escapeshellarg( $file_path );
|
|
|
1163 |
if ( !empty( $options['auto_orient'] ) )
|
|
|
1164 |
{
|
|
|
1165 |
$cmd .= ' -auto-orient';
|
|
|
1166 |
}
|
|
|
1167 |
if ( $resize )
|
|
|
1168 |
{
|
|
|
1169 |
// Handle animated GIFs:
|
|
|
1170 |
$cmd .= ' -coalesce';
|
|
|
1171 |
if ( empty( $options['crop'] ) )
|
|
|
1172 |
{
|
|
|
1173 |
$cmd .= ' -resize ' . escapeshellarg( $resize . '>' );
|
|
|
1174 |
}
|
|
|
1175 |
else
|
|
|
1176 |
{
|
|
|
1177 |
$cmd .= ' -resize ' . escapeshellarg( $resize . '^' );
|
|
|
1178 |
$cmd .= ' -gravity center';
|
|
|
1179 |
$cmd .= ' -crop ' . escapeshellarg( $resize . '+0+0' );
|
|
|
1180 |
}
|
|
|
1181 |
// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
|
|
|
1182 |
$cmd .= ' +repage';
|
|
|
1183 |
}
|
|
|
1184 |
if ( !empty( $options['convert_params'] ) )
|
|
|
1185 |
{
|
|
|
1186 |
$cmd .= ' ' . $options['convert_params'];
|
|
|
1187 |
}
|
|
|
1188 |
$cmd .= ' ' . escapeshellarg( $new_file_path );
|
|
|
1189 |
exec( $cmd, $output, $error );
|
|
|
1190 |
if ( $error )
|
|
|
1191 |
{
|
|
|
1192 |
error_log( implode( '\n', $output ) );
|
|
|
1193 |
return false;
|
|
|
1194 |
}
|
|
|
1195 |
return true;
|
|
|
1196 |
}
|
|
|
1197 |
|
|
|
1198 |
protected function get_image_size( $file_path ): array|bool
|
|
|
1199 |
{
|
|
|
1200 |
if ( $this->options['image_library'] )
|
|
|
1201 |
{
|
|
|
1202 |
if ( extension_loaded( 'imagick' ) )
|
|
|
1203 |
{
|
|
|
1204 |
$image = new \Imagick();
|
|
|
1205 |
try
|
|
|
1206 |
{
|
|
|
1207 |
if ( @$image->pingImage( $file_path ) )
|
|
|
1208 |
{
|
|
|
1209 |
$dimensions = array( $image->getImageWidth(), $image->getImageHeight() );
|
|
|
1210 |
$image->destroy();
|
|
|
1211 |
return $dimensions;
|
|
|
1212 |
}
|
|
|
1213 |
return false;
|
|
|
1214 |
}
|
|
|
1215 |
catch ( \Exception $e )
|
|
|
1216 |
{
|
|
|
1217 |
error_log( $e->getMessage() );
|
|
|
1218 |
}
|
|
|
1219 |
}
|
|
|
1220 |
if ( $this->options['image_library'] === 2 )
|
|
|
1221 |
{
|
|
|
1222 |
$cmd = $this->options['identify_bin'];
|
|
|
1223 |
$cmd .= ' -ping ' . escapeshellarg( $file_path );
|
|
|
1224 |
exec( $cmd, $output, $error );
|
|
|
1225 |
if ( !$error && !empty( $output ) )
|
|
|
1226 |
{
|
|
|
1227 |
// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
|
|
|
1228 |
$infos = preg_split( '/\s+/', substr( $output[0], strlen( $file_path ) ) );
|
|
|
1229 |
$dimensions = preg_split( '/x/', $infos[2] );
|
|
|
1230 |
return $dimensions;
|
|
|
1231 |
}
|
|
|
1232 |
return false;
|
|
|
1233 |
}
|
|
|
1234 |
}
|
|
|
1235 |
if ( !function_exists( 'getimagesize' ) )
|
|
|
1236 |
{
|
|
|
1237 |
error_log( 'Function not found: getimagesize' );
|
|
|
1238 |
return false;
|
|
|
1239 |
}
|
|
|
1240 |
return @getimagesize( $file_path );
|
|
|
1241 |
}
|
|
|
1242 |
|
|
|
1243 |
protected function create_scaled_image( $file_name, $version, $options )
|
|
|
1244 |
{
|
|
|
1245 |
try
|
|
|
1246 |
{
|
|
|
1247 |
if ( $this->options['image_library'] === 2 )
|
|
|
1248 |
{
|
|
|
1249 |
return $this->imagemagick_create_scaled_image( $file_name, $version, $options );
|
|
|
1250 |
}
|
|
|
1251 |
if ( $this->options['image_library'] && extension_loaded( 'imagick' ) )
|
|
|
1252 |
{
|
|
|
1253 |
return $this->imagick_create_scaled_image( $file_name, $version, $options );
|
|
|
1254 |
}
|
|
|
1255 |
return $this->gd_create_scaled_image( $file_name, $version, $options );
|
|
|
1256 |
}
|
|
|
1257 |
catch ( \Exception $e )
|
|
|
1258 |
{
|
|
|
1259 |
error_log( $e->getMessage() );
|
|
|
1260 |
return false;
|
|
|
1261 |
}
|
|
|
1262 |
}
|
|
|
1263 |
|
|
|
1264 |
protected function destroy_image_object( $file_path )
|
|
|
1265 |
{
|
|
|
1266 |
if ( $this->options['image_library'] && extension_loaded( 'imagick' ) )
|
|
|
1267 |
{
|
|
|
1268 |
return $this->imagick_destroy_image_object( $file_path );
|
|
|
1269 |
}
|
|
|
1270 |
}
|
|
|
1271 |
|
|
|
1272 |
protected function imagetype( $file_path ): bool|string
|
|
|
1273 |
{
|
|
|
1274 |
$fp = fopen( $file_path, 'r' );
|
|
|
1275 |
$data = fread( $fp, 4 );
|
|
|
1276 |
fclose( $fp );
|
|
|
1277 |
// GIF: 47 49 46 38
|
|
|
1278 |
if ( $data === 'GIF8' )
|
|
|
1279 |
{
|
|
|
1280 |
return self::IMAGETYPE_GIF;
|
|
|
1281 |
}
|
|
|
1282 |
// JPG: FF D8 FF
|
|
|
1283 |
if ( bin2hex( substr( $data, 0, 3 ) ) === 'ffd8ff' )
|
|
|
1284 |
{
|
|
|
1285 |
return self::IMAGETYPE_JPEG;
|
|
|
1286 |
}
|
|
|
1287 |
// PNG: 89 50 4E 47
|
|
|
1288 |
if ( bin2hex( @$data[0] ) . substr( $data, 1, 4 ) === '89PNG' )
|
|
|
1289 |
{
|
|
|
1290 |
return self::IMAGETYPE_PNG;
|
|
|
1291 |
}
|
|
|
1292 |
return false;
|
|
|
1293 |
}
|
|
|
1294 |
|
|
|
1295 |
protected function is_valid_image_file( $file_path ): bool
|
|
|
1296 |
{
|
|
|
1297 |
return !!$this->imagetype( $file_path );
|
|
|
1298 |
}
|
|
|
1299 |
|
|
|
1300 |
protected function has_image_file_extension( $file_path ): bool
|
|
|
1301 |
{
|
|
|
1302 |
return !!preg_match( '/\.(gif|jpe?g|png)$/i', $file_path );
|
|
|
1303 |
}
|
|
|
1304 |
|
|
|
1305 |
protected function handle_image_file( $file_path, $file ): void
|
|
|
1306 |
{
|
|
|
1307 |
$failed_versions = array();
|
|
|
1308 |
foreach ( $this->options['image_versions'] as $version => $options )
|
|
|
1309 |
{
|
|
|
1310 |
if ( $this->create_scaled_image( $file->name, $version, $options ) )
|
|
|
1311 |
{
|
|
|
1312 |
if ( !empty( $version ) )
|
|
|
1313 |
{
|
|
|
1314 |
$file->{$version . 'Url'} = $this->get_download_url(
|
|
|
1315 |
$file->name,
|
|
|
1316 |
$version
|
|
|
1317 |
);
|
|
|
1318 |
}
|
|
|
1319 |
else
|
|
|
1320 |
{
|
|
|
1321 |
$file->size = $this->get_file_size( $file_path, true );
|
|
|
1322 |
}
|
|
|
1323 |
}
|
|
|
1324 |
else
|
|
|
1325 |
{
|
|
|
1326 |
$failed_versions[] = $version ? $version : 'original';
|
|
|
1327 |
}
|
|
|
1328 |
}
|
|
|
1329 |
if ( count( $failed_versions ) )
|
|
|
1330 |
{
|
|
|
1331 |
$file->error = $this->get_error_message( 'image_resize' )
|
|
|
1332 |
. ' (' . implode( ', ', $failed_versions ) . ')';
|
|
|
1333 |
}
|
|
|
1334 |
// Free memory:
|
|
|
1335 |
$this->destroy_image_object( $file_path );
|
|
|
1336 |
}
|
|
|
1337 |
|
|
|
1338 |
protected function handle_file_upload( $uploaded_file, $name, $size, $type, $error,
|
|
|
1339 |
$index = null, $content_range = null ): stdClass
|
|
|
1340 |
{
|
|
|
1341 |
$file = new \stdClass();
|
|
|
1342 |
$file->name = $this->get_file_name( $uploaded_file, $name, $size, $type, $error,
|
|
|
1343 |
$index, $content_range );
|
|
|
1344 |
$file->size = $this->fix_integer_overflow( (int)$size );
|
|
|
1345 |
$file->type = $type;
|
|
|
1346 |
if ( $this->validate_file( $uploaded_file, $file, $error, $index, $content_range ) )
|
|
|
1347 |
{
|
|
|
1348 |
$this->handle_form_data( $file, $index );
|
|
|
1349 |
$upload_dir = $this->get_upload_path();
|
|
|
1350 |
if ( !is_dir( $upload_dir ) )
|
|
|
1351 |
{
|
|
|
1352 |
mkdir( $upload_dir, $this->options['mkdir_mode'], true );
|
|
|
1353 |
}
|
|
|
1354 |
$file_path = $this->get_upload_path( $file->name );
|
|
|
1355 |
$append_file = $content_range && is_file( $file_path ) &&
|
|
|
1356 |
$file->size > $this->get_file_size( $file_path );
|
|
|
1357 |
if ( $uploaded_file && is_uploaded_file( $uploaded_file ) )
|
|
|
1358 |
{
|
|
|
1359 |
// multipart/formdata uploads (POST method uploads)
|
|
|
1360 |
if ( $append_file )
|
|
|
1361 |
{
|
|
|
1362 |
file_put_contents(
|
|
|
1363 |
$file_path,
|
|
|
1364 |
fopen( $uploaded_file, 'r' ),
|
|
|
1365 |
FILE_APPEND
|
|
|
1366 |
);
|
|
|
1367 |
}
|
|
|
1368 |
else
|
|
|
1369 |
{
|
|
|
1370 |
move_uploaded_file( $uploaded_file, $file_path );
|
|
|
1371 |
}
|
|
|
1372 |
}
|
|
|
1373 |
else
|
|
|
1374 |
{
|
|
|
1375 |
// Non-multipart uploads (PUT method support)
|
|
|
1376 |
file_put_contents(
|
|
|
1377 |
$file_path,
|
|
|
1378 |
fopen( $this->options['input_stream'], 'r' ),
|
|
|
1379 |
$append_file ? FILE_APPEND : 0
|
|
|
1380 |
);
|
|
|
1381 |
}
|
|
|
1382 |
$file_size = $this->get_file_size( $file_path, $append_file );
|
|
|
1383 |
if ( $file_size === $file->size )
|
|
|
1384 |
{
|
|
|
1385 |
$file->url = $this->get_download_url( $file->name );
|
|
|
1386 |
if ( $this->has_image_file_extension( $file->name ) )
|
|
|
1387 |
{
|
|
|
1388 |
if ( $content_range && !$this->validate_image_file( $file_path, $file, $error, $index ) )
|
|
|
1389 |
{
|
|
|
1390 |
unlink( $file_path );
|
|
|
1391 |
}
|
|
|
1392 |
else
|
|
|
1393 |
{
|
|
|
1394 |
$this->handle_image_file( $file_path, $file );
|
|
|
1395 |
}
|
|
|
1396 |
}
|
|
|
1397 |
}
|
|
|
1398 |
else
|
|
|
1399 |
{
|
|
|
1400 |
$file->size = $file_size;
|
|
|
1401 |
if ( !$content_range && $this->options['discard_aborted_uploads'] )
|
|
|
1402 |
{
|
|
|
1403 |
unlink( $file_path );
|
|
|
1404 |
$file->error = $this->get_error_message( 'abort' );
|
|
|
1405 |
}
|
|
|
1406 |
}
|
|
|
1407 |
$this->set_additional_file_properties( $file );
|
|
|
1408 |
}
|
|
|
1409 |
return $file;
|
|
|
1410 |
}
|
|
|
1411 |
|
|
|
1412 |
protected function readfile( $file_path ): float|bool|int
|
|
|
1413 |
{
|
|
|
1414 |
$file_size = $this->get_file_size( $file_path );
|
|
|
1415 |
$chunk_size = $this->options['readfile_chunk_size'];
|
|
|
1416 |
if ( $chunk_size && $file_size > $chunk_size )
|
|
|
1417 |
{
|
|
|
1418 |
$handle = fopen( $file_path, 'rb' );
|
|
|
1419 |
while ( !feof( $handle ) )
|
|
|
1420 |
{
|
|
|
1421 |
echo fread( $handle, $chunk_size );
|
|
|
1422 |
@ob_flush();
|
|
|
1423 |
@flush();
|
|
|
1424 |
}
|
|
|
1425 |
fclose( $handle );
|
|
|
1426 |
return $file_size;
|
|
|
1427 |
}
|
|
|
1428 |
return readfile( $file_path );
|
|
|
1429 |
}
|
|
|
1430 |
|
|
|
1431 |
protected function body( $str ): void
|
|
|
1432 |
{
|
|
|
1433 |
echo $str;
|
|
|
1434 |
}
|
|
|
1435 |
|
|
|
1436 |
protected function header( $str ): void
|
|
|
1437 |
{
|
|
|
1438 |
header( $str );
|
|
|
1439 |
}
|
|
|
1440 |
|
|
|
1441 |
protected function get_upload_data( $id )
|
|
|
1442 |
{
|
|
|
1443 |
return @$_FILES[$id];
|
|
|
1444 |
}
|
|
|
1445 |
|
|
|
1446 |
protected function get_post_param( $id )
|
|
|
1447 |
{
|
|
|
1448 |
return @$_POST[$id];
|
|
|
1449 |
}
|
|
|
1450 |
|
|
|
1451 |
protected function get_query_param( $id )
|
|
|
1452 |
{
|
|
|
1453 |
return @$_GET[$id];
|
|
|
1454 |
}
|
|
|
1455 |
|
|
|
1456 |
protected function get_server_var( $id )
|
|
|
1457 |
{
|
|
|
1458 |
return @$_SERVER[$id];
|
|
|
1459 |
}
|
|
|
1460 |
|
|
|
1461 |
protected function handle_form_data( $file, $index )
|
|
|
1462 |
{
|
|
|
1463 |
// Handle form data, e.g. $_POST['description'][$index]
|
|
|
1464 |
}
|
|
|
1465 |
|
|
|
1466 |
protected function get_version_param(): string
|
|
|
1467 |
{
|
|
|
1468 |
return $this->basename( stripslashes( $this->get_query_param( 'version' ) ) );
|
|
|
1469 |
}
|
|
|
1470 |
|
|
|
1471 |
protected function get_singular_param_name(): string
|
|
|
1472 |
{
|
|
|
1473 |
return substr( $this->options['param_name'], 0, -1 );
|
|
|
1474 |
}
|
|
|
1475 |
|
|
|
1476 |
protected function get_file_name_param(): string
|
|
|
1477 |
{
|
|
|
1478 |
$name = $this->get_singular_param_name();
|
|
|
1479 |
return $this->basename( stripslashes( $this->get_query_param( $name ) ) );
|
|
|
1480 |
}
|
|
|
1481 |
|
|
|
1482 |
protected function get_file_names_params()
|
|
|
1483 |
{
|
|
|
1484 |
$params = $this->get_query_param( $this->options['param_name'] );
|
|
|
1485 |
if ( !$params )
|
|
|
1486 |
{
|
|
|
1487 |
return null;
|
|
|
1488 |
}
|
|
|
1489 |
foreach ( $params as $key => $value )
|
|
|
1490 |
{
|
|
|
1491 |
$params[$key] = $this->basename( stripslashes( $value ) );
|
|
|
1492 |
}
|
|
|
1493 |
return $params;
|
|
|
1494 |
}
|
|
|
1495 |
|
|
|
1496 |
protected function get_file_type( $file_path ): string
|
|
|
1497 |
{
|
|
|
1498 |
return match ( strtolower( pathinfo( $file_path, PATHINFO_EXTENSION ) ) )
|
|
|
1499 |
{
|
|
|
1500 |
'jpeg', 'jpg' => self::IMAGETYPE_JPEG,
|
|
|
1501 |
'png' => self::IMAGETYPE_PNG,
|
|
|
1502 |
'gif' => self::IMAGETYPE_GIF,
|
|
|
1503 |
default => '',
|
|
|
1504 |
};
|
|
|
1505 |
}
|
|
|
1506 |
|
|
|
1507 |
protected function download()
|
|
|
1508 |
{
|
|
|
1509 |
switch ( $this->options['download_via_php'] )
|
|
|
1510 |
{
|
|
|
1511 |
case 1:
|
|
|
1512 |
$redirect_header = null;
|
|
|
1513 |
break;
|
|
|
1514 |
case 2:
|
|
|
1515 |
$redirect_header = 'X-Sendfile';
|
|
|
1516 |
break;
|
|
|
1517 |
case 3:
|
|
|
1518 |
$redirect_header = 'X-Accel-Redirect';
|
|
|
1519 |
break;
|
|
|
1520 |
default:
|
|
|
1521 |
return $this->header( 'HTTP/1.1 403 Forbidden' );
|
|
|
1522 |
}
|
|
|
1523 |
$file_name = $this->get_file_name_param();
|
|
|
1524 |
if ( !$this->is_valid_file_object( $file_name ) )
|
|
|
1525 |
{
|
|
|
1526 |
return $this->header( 'HTTP/1.1 404 Not Found' );
|
|
|
1527 |
}
|
|
|
1528 |
if ( $redirect_header )
|
|
|
1529 |
{
|
|
|
1530 |
return $this->header(
|
|
|
1531 |
$redirect_header . ': ' . $this->get_download_url(
|
|
|
1532 |
$file_name,
|
|
|
1533 |
$this->get_version_param(),
|
|
|
1534 |
true
|
|
|
1535 |
)
|
|
|
1536 |
);
|
|
|
1537 |
}
|
|
|
1538 |
$file_path = $this->get_upload_path( $file_name, $this->get_version_param() );
|
|
|
1539 |
// Prevent browsers from MIME-sniffing the content-type:
|
|
|
1540 |
$this->header( 'X-Content-Type-Options: nosniff' );
|
|
|
1541 |
if ( !preg_match( $this->options['inline_file_types'], $file_name ) )
|
|
|
1542 |
{
|
|
|
1543 |
$this->header( 'Content-Type: application/octet-stream' );
|
|
|
1544 |
$this->header( 'Content-Disposition: attachment; filename="' . $file_name . '"' );
|
|
|
1545 |
}
|
|
|
1546 |
else
|
|
|
1547 |
{
|
|
|
1548 |
$this->header( 'Content-Type: ' . $this->get_file_type( $file_path ) );
|
|
|
1549 |
$this->header( 'Content-Disposition: inline; filename="' . $file_name . '"' );
|
|
|
1550 |
}
|
|
|
1551 |
$this->header( 'Content-Length: ' . $this->get_file_size( $file_path ) );
|
|
|
1552 |
$this->header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s T', filemtime( $file_path ) ) );
|
|
|
1553 |
$this->readfile( $file_path );
|
|
|
1554 |
}
|
|
|
1555 |
|
|
|
1556 |
protected function send_content_type_header(): void
|
|
|
1557 |
{
|
|
|
1558 |
$this->header( 'Vary: Accept' );
|
|
|
1559 |
if ( str_contains( $this->get_server_var( 'HTTP_ACCEPT' ), 'application/json' ) )
|
|
|
1560 |
{
|
|
|
1561 |
$this->header( 'Content-type: application/json' );
|
|
|
1562 |
}
|
|
|
1563 |
else
|
|
|
1564 |
{
|
|
|
1565 |
$this->header( 'Content-type: text/plain' );
|
|
|
1566 |
}
|
|
|
1567 |
}
|
|
|
1568 |
|
|
|
1569 |
protected function send_access_control_headers(): void
|
|
|
1570 |
{
|
|
|
1571 |
$this->header( 'Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin'] );
|
|
|
1572 |
$this->header( 'Access-Control-Allow-Credentials: '
|
|
|
1573 |
. ( $this->options['access_control_allow_credentials'] ? 'true' : 'false' ) );
|
|
|
1574 |
$this->header( 'Access-Control-Allow-Methods: '
|
|
|
1575 |
. implode( ', ', $this->options['access_control_allow_methods'] ) );
|
|
|
1576 |
$this->header( 'Access-Control-Allow-Headers: '
|
|
|
1577 |
. implode( ', ', $this->options['access_control_allow_headers'] ) );
|
|
|
1578 |
}
|
|
|
1579 |
|
|
|
1580 |
public function generate_response( $content, $print_response = true )
|
|
|
1581 |
{
|
|
|
1582 |
$this->response = $content;
|
|
|
1583 |
if ( $print_response )
|
|
|
1584 |
{
|
|
|
1585 |
$json = json_encode( $content );
|
|
|
1586 |
$redirect = stripslashes( $this->get_post_param( 'redirect' ) );
|
|
|
1587 |
if ( $redirect && preg_match( $this->options['redirect_allow_target'], $redirect ) )
|
|
|
1588 |
{
|
|
|
1589 |
return $this->header( 'Location: ' . sprintf( $redirect, rawurlencode( $json ) ) );
|
|
|
1590 |
}
|
|
|
1591 |
$this->head();
|
|
|
1592 |
if ( $this->get_server_var( 'HTTP_CONTENT_RANGE' ) )
|
|
|
1593 |
{
|
|
|
1594 |
$files = $content[$this->options['param_name']] ?? null;
|
|
|
1595 |
if ( $files && is_array( $files ) && is_object( $files[0] ) && $files[0]->size )
|
|
|
1596 |
{
|
|
|
1597 |
$this->header( 'Range: 0-' . (
|
|
|
1598 |
$this->fix_integer_overflow( (int)$files[0]->size ) - 1
|
|
|
1599 |
) );
|
|
|
1600 |
}
|
|
|
1601 |
}
|
|
|
1602 |
$this->body( $json );
|
|
|
1603 |
}
|
|
|
1604 |
return $content;
|
|
|
1605 |
}
|
|
|
1606 |
|
|
|
1607 |
public function get_response()
|
|
|
1608 |
{
|
|
|
1609 |
return $this->response;
|
|
|
1610 |
}
|
|
|
1611 |
|
|
|
1612 |
public function head(): void
|
|
|
1613 |
{
|
|
|
1614 |
$this->header( 'Pragma: no-cache' );
|
|
|
1615 |
$this->header( 'Cache-Control: no-store, no-cache, must-revalidate' );
|
|
|
1616 |
$this->header( 'Content-Disposition: inline; filename="files.json"' );
|
|
|
1617 |
// Prevent Internet Explorer from MIME-sniffing the content-type:
|
|
|
1618 |
$this->header( 'X-Content-Type-Options: nosniff' );
|
|
|
1619 |
if ( $this->options['access_control_allow_origin'] )
|
|
|
1620 |
{
|
|
|
1621 |
$this->send_access_control_headers();
|
|
|
1622 |
}
|
|
|
1623 |
$this->send_content_type_header();
|
|
|
1624 |
}
|
|
|
1625 |
|
|
|
1626 |
public function get( $print_response = true )
|
|
|
1627 |
{
|
|
|
1628 |
if ( $print_response && $this->get_query_param( 'download' ) )
|
|
|
1629 |
{
|
|
|
1630 |
return $this->download();
|
|
|
1631 |
}
|
|
|
1632 |
$file_name = $this->get_file_name_param();
|
|
|
1633 |
if ( $file_name )
|
|
|
1634 |
{
|
|
|
1635 |
$response = array(
|
|
|
1636 |
$this->get_singular_param_name() => $this->get_file_object( $file_name )
|
|
|
1637 |
);
|
|
|
1638 |
}
|
|
|
1639 |
else
|
|
|
1640 |
{
|
|
|
1641 |
$response = array(
|
|
|
1642 |
$this->options['param_name'] => $this->get_file_objects()
|
|
|
1643 |
);
|
|
|
1644 |
}
|
|
|
1645 |
return $this->generate_response( $response, $print_response );
|
|
|
1646 |
}
|
|
|
1647 |
|
|
|
1648 |
public function post( $print_response = true )
|
|
|
1649 |
{
|
|
|
1650 |
if ( $this->get_query_param( '_method' ) === 'DELETE' )
|
|
|
1651 |
{
|
|
|
1652 |
return $this->delete( $print_response );
|
|
|
1653 |
}
|
|
|
1654 |
$upload = $this->get_upload_data( $this->options['param_name'] );
|
|
|
1655 |
// Parse the Content-Disposition header, if available:
|
|
|
1656 |
$content_disposition_header = $this->get_server_var( 'HTTP_CONTENT_DISPOSITION' );
|
|
|
1657 |
$file_name = $content_disposition_header ?
|
|
|
1658 |
rawurldecode( preg_replace(
|
|
|
1659 |
'/(^[^"]+")|("$)/',
|
|
|
1660 |
'',
|
|
|
1661 |
$content_disposition_header
|
|
|
1662 |
) ) : null;
|
|
|
1663 |
// Parse the Content-Range header, which has the following form:
|
|
|
1664 |
// Content-Range: bytes 0-524287/2000000
|
|
|
1665 |
$content_range_header = $this->get_server_var( 'HTTP_CONTENT_RANGE' );
|
|
|
1666 |
$content_range = $content_range_header ?
|
|
|
1667 |
preg_split( '/[^0-9]+/', $content_range_header ) : null;
|
|
|
1668 |
$size = @$content_range[3];
|
|
|
1669 |
$files = array();
|
|
|
1670 |
if ( $upload )
|
|
|
1671 |
{
|
|
|
1672 |
if ( is_array( $upload['tmp_name'] ) )
|
|
|
1673 |
{
|
|
|
1674 |
// param_name is an array identifier like "files[]",
|
|
|
1675 |
// $upload is a multi-dimensional array:
|
|
|
1676 |
foreach ( $upload['tmp_name'] as $index => $value )
|
|
|
1677 |
{
|
|
|
1678 |
$files[] = $this->handle_file_upload(
|
|
|
1679 |
$upload['tmp_name'][$index],
|
|
|
1680 |
$file_name ? $file_name : $upload['name'][$index],
|
|
|
1681 |
$size ? $size : $upload['size'][$index],
|
|
|
1682 |
$upload['type'][$index],
|
|
|
1683 |
$upload['error'][$index],
|
|
|
1684 |
$index,
|
|
|
1685 |
$content_range
|
|
|
1686 |
);
|
|
|
1687 |
}
|
|
|
1688 |
}
|
|
|
1689 |
else
|
|
|
1690 |
{
|
|
|
1691 |
// param_name is a single object identifier like "file",
|
|
|
1692 |
// $upload is a one-dimensional array:
|
|
|
1693 |
$files[] = $this->handle_file_upload(
|
|
|
1694 |
$upload['tmp_name'] ?? null,
|
|
|
1695 |
$file_name ? $file_name : ( $upload['name'] ?? null ),
|
|
|
1696 |
$size ? $size : ( $upload['size'] ?? $this->get_server_var( 'CONTENT_LENGTH' ) ),
|
|
|
1697 |
$upload['type'] ?? $this->get_server_var( 'CONTENT_TYPE' ),
|
|
|
1698 |
$upload['error'] ?? null,
|
|
|
1699 |
null,
|
|
|
1700 |
$content_range
|
|
|
1701 |
);
|
|
|
1702 |
}
|
|
|
1703 |
}
|
|
|
1704 |
$response = array( $this->options['param_name'] => $files );
|
|
|
1705 |
return $this->generate_response( $response, $print_response );
|
|
|
1706 |
}
|
|
|
1707 |
|
|
|
1708 |
public function delete( $print_response = true )
|
|
|
1709 |
{
|
|
|
1710 |
$file_names = $this->get_file_names_params();
|
|
|
1711 |
if ( empty( $file_names ) )
|
|
|
1712 |
{
|
|
|
1713 |
$file_names = array( $this->get_file_name_param() );
|
|
|
1714 |
}
|
|
|
1715 |
$response = array();
|
|
|
1716 |
foreach ( $file_names as $file_name )
|
|
|
1717 |
{
|
|
|
1718 |
$file_path = $this->get_upload_path( $file_name );
|
|
|
1719 |
$success = strlen( $file_name ) > 0 && $file_name[0] !== '.' && is_file( $file_path ) && unlink( $file_path );
|
|
|
1720 |
if ( $success )
|
|
|
1721 |
{
|
|
|
1722 |
foreach ( $this->options['image_versions'] as $version => $options )
|
|
|
1723 |
{
|
|
|
1724 |
if ( !empty( $version ) )
|
|
|
1725 |
{
|
|
|
1726 |
$file = $this->get_upload_path( $file_name, $version );
|
|
|
1727 |
if ( is_file( $file ) )
|
|
|
1728 |
{
|
|
|
1729 |
unlink( $file );
|
|
|
1730 |
}
|
|
|
1731 |
}
|
|
|
1732 |
}
|
|
|
1733 |
}
|
|
|
1734 |
$response[$file_name] = $success;
|
|
|
1735 |
}
|
|
|
1736 |
return $this->generate_response( $response, $print_response );
|
|
|
1737 |
}
|
|
|
1738 |
|
|
|
1739 |
protected function basename( $filepath, $suffix = null ): string
|
|
|
1740 |
{
|
|
|
1741 |
$splited = preg_split( '/\//', rtrim( $filepath, '/ ' ) );
|
|
|
1742 |
return substr( basename( 'X' . $splited[count( $splited ) - 1], $suffix ), 1 );
|
|
|
1743 |
}
|
|
|
1744 |
}
|