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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Jhony |
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* Date: 3/3/2015 |
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* Time: 6:48 AM |
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*/ |
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class PTS_FormMailer_Model_UploadHandler extends Mage_Core_Model_Abstract |
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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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); |
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protected $image_objects = array(); |
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function __construct($options = null, $initialize = true, $error_messages = null) { |
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$this->response = array(); |
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$this->options = array( |
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'script_url' => $this->get_full_url().'/', |
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'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/files/', |
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'upload_url' => $this->get_full_url().'/files/', |
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'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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// 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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'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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'image_versions' => array( |
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// The empty image version key defines options for the original image: |
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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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// Uncomment the following to create medium sized images: |
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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' => $this->get_full_url().'/thumb/', |
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// Uncomment the following to force the max |
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// dimensions and e.g. create square thumbnails: |
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//'crop' => true, |
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'max_width' => 80, |
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'max_height' => 80 |
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) |
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), |
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'print_response' => true |
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); |
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if ($options) { |
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$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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$this->initialize(); |
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} |
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} |
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protected function initialize() { |
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switch ($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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$https = !empty($_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']) ? $_SERVER['REMOTE_USER'].'@' : ''). |
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(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_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($_SERVER['SCRIPT_NAME'], '/')); |
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} |
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protected function get_user_id() { |
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@session_start(); |
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return session_id(); |
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} |
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protected function get_user_path() { |
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if ($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, $version = null) { |
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$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() |
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.$version_path.$file_name; |
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} |
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protected function get_query_separator($url) { |
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return strpos($url, '?') === false ? '?' : '&'; |
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} |
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protected function get_download_url($file_name, $version = null, $direct = false) { |
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if (!$direct && $this->options['download_via_php']) { |
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$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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$url .= '&version='.rawurlencode($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() |
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.$version_path.rawurlencode($file_name); |
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} |
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protected function set_additional_file_properties($file) { |
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$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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$file->deleteUrl .= '&_method=DELETE'; |
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} |
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if ($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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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, $clear_stat_cache = false) { |
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if ($clear_stat_cache) { |
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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($file_name) { |
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$file_path = $this->get_upload_path($file_name); |
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if (is_file($file_path) && $file_name[0] !== '.') { |
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return true; |
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} |
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return false; |
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} |
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protected function get_file_object($file_name) { |
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if ($this->is_valid_file_object($file_name)) { |
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$file = new \stdClass(); |
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$file->name = $file_name; |
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$file->size = $this->get_file_size( |
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$this->get_upload_path($file_name) |
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); |
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$file->url = $this->get_download_url($file->name); |
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foreach($this->options['image_versions'] as $version => $options) { |
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if (!empty($version)) { |
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if (is_file($this->get_upload_path($file_name, $version))) { |
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$file->{$version.'Url'} = $this->get_download_url( |
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$file->name, |
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$version |
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); |
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} |
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} |
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} |
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$this->set_additional_file_properties($file); |
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return $file; |
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} |
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return null; |
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} |
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protected function get_file_objects($iteration_method = 'get_file_object') { |
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$upload_dir = $this->get_upload_path(); |
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if (!is_dir($upload_dir)) { |
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return array(); |
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} |
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return array_values(array_filter(array_map( |
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array($this, $iteration_method), |
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scandir($upload_dir) |
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))); |
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} |
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protected function count_file_objects() { |
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return count($this->get_file_objects('is_valid_file_object')); |
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} |
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protected function get_error_message($error) { |
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return isset($this->error_messages[$error]) ? |
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$this->error_messages[$error] : $error; |
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} |
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function get_config_bytes($val) { |
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$val = trim($val); |
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$last = strtolower($val[strlen($val)-1]); |
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switch($last) { |
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case 'g': |
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$val *= 1024; |
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case 'm': |
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$val *= 1024; |
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case 'k': |
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$val *= 1024; |
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} |
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return $this->fix_integer_overflow($val); |
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} |
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protected function validate($uploaded_file, $file, $error, $index) { |
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if ($error) { |
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$file->error = $this->get_error_message($error); |
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return false; |
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} |
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$content_length = $this->fix_integer_overflow( |
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(int)$this->get_server_var('CONTENT_LENGTH') |
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); |
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$post_max_size = $this->get_config_bytes(ini_get('post_max_size')); |
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if ($post_max_size && ($content_length > $post_max_size)) { |
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$file->error = $this->get_error_message('post_max_size'); |
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return false; |
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} |
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if (!preg_match($this->options['accept_file_types'], $file->name)) { |
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$file->error = $this->get_error_message('accept_file_types'); |
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return false; |
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} |
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if ($uploaded_file && is_uploaded_file($uploaded_file)) { |
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$file_size = $this->get_file_size($uploaded_file); |
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} else { |
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$file_size = $content_length; |
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} |
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if ($this->options['max_file_size'] && ( |
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$file_size > $this->options['max_file_size'] || |
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$file->size > $this->options['max_file_size']) |
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) { |
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$file->error = $this->get_error_message('max_file_size'); |
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return false; |
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} |
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if ($this->options['min_file_size'] && |
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$file_size < $this->options['min_file_size']) { |
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$file->error = $this->get_error_message('min_file_size'); |
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return false; |
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} |
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if (is_int($this->options['max_number_of_files']) && |
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($this->count_file_objects() >= $this->options['max_number_of_files']) && |
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// Ignore additional chunks of existing files: |
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!is_file($this->get_upload_path($file->name))) { |
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$file->error = $this->get_error_message('max_number_of_files'); |
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return false; |
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} |
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$max_width = @$this->options['max_width']; |
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$max_height = @$this->options['max_height']; |
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$min_width = @$this->options['min_width']; |
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$min_height = @$this->options['min_height']; |
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if (($max_width || $max_height || $min_width || $min_height) |
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&& preg_match($this->options['image_file_types'], $file->name)) { |
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list($img_width, $img_height) = $this->get_image_size($uploaded_file); |
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// If we are auto rotating the image by default, do the checks on |
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// the correct orientation |
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if ( |
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@$this->options['image_versions']['']['auto_orient'] && |
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function_exists('exif_read_data') && |
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($exif = @exif_read_data($uploaded_file)) && |
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(((int) @$exif['Orientation']) >= 5 ) |
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) { |
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$tmp = $img_width; |
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$img_width = $img_height; |
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$img_height = $tmp; |
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unset($tmp); |
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} |
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} |
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if (!empty($img_width)) { |
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if ($max_width && $img_width > $max_width) { |
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$file->error = $this->get_error_message('max_width'); |
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return false; |
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} |
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if ($max_height && $img_height > $max_height) { |
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$file->error = $this->get_error_message('max_height'); |
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return false; |
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} |
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if ($min_width && $img_width < $min_width) { |
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$file->error = $this->get_error_message('min_width'); |
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return false; |
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} |
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if ($min_height && $img_height < $min_height) { |
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$file->error = $this->get_error_message('min_height'); |
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return false; |
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} |
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} |
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return true; |
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} |
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protected function upcount_name_callback($matches) { |
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$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1; |
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$ext = isset($matches[2]) ? $matches[2] : ''; |
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return ' ('.$index.')'.$ext; |
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} |
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protected function upcount_name($name) { |
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return preg_replace_callback( |
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'/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', |
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array($this, 'upcount_name_callback'), |
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$name, |
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1 |
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); |
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} |
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protected function get_unique_filename($file_path, $name, $size, $type, $error, |
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$index, $content_range) { |
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while(is_dir($this->get_upload_path($name))) { |
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$name = $this->upcount_name($name); |
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} |
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// Keep an existing filename if this is part of a chunked upload: |
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$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]); |
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while(is_file($this->get_upload_path($name))) { |
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if ($uploaded_bytes === $this->get_file_size( |
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$this->get_upload_path($name))) { |
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break; |
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} |
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$name = $this->upcount_name($name); |
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} |
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return $name; |
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} |
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protected function fix_file_extension($file_path, $name, $size, $type, $error, |
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$index, $content_range) { |
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// Add missing file extension for known image types: |
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if (strpos($name, '.') === false && |
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preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) { |
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$name .= '.'.$matches[1]; |
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} |
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if ($this->options['correct_image_extensions'] && |
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function_exists('exif_imagetype')) { |
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switch(@exif_imagetype($file_path)){ |
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case IMAGETYPE_JPEG: |
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$extensions = array('jpg', 'jpeg'); |
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break; |
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case IMAGETYPE_PNG: |
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$extensions = array('png'); |
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break; |
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case IMAGETYPE_GIF: |
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$extensions = array('gif'); |
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break; |
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} |
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// Adjust incorrect image file extensions: |
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if (!empty($extensions)) { |
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$parts = explode('.', $name); |
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$extIndex = count($parts) - 1; |
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$ext = strtolower(@$parts[$extIndex]); |
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if (!in_array($ext, $extensions)) { |
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$parts[$extIndex] = $extensions[0]; |
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$name = implode('.', $parts); |
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} |
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} |
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} |
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return $name; |
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} |
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protected function trim_file_name($file_path, $name, $size, $type, $error, |
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$index, $content_range) { |
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// Remove path information and dots around the filename, to prevent uploading |
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// into different directories or replacing hidden system files. |
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// Also remove control characters and spaces (\x00..\x20) around the filename: |
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$name = trim(basename(stripslashes($name)), ".\x00..\x20"); |
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// Use a timestamp for empty filenames: |
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if (!$name) { |
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$name = str_replace('.', '-', microtime(true)); |
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} |
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return $name; |
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} |
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protected function get_file_name($file_path, $name, $size, $type, $error, |
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$index, $content_range) { |
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$name = $this->trim_file_name($file_path, $name, $size, $type, $error, |
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$index, $content_range); |
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return $this->get_unique_filename( |
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$file_path, |
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$this->fix_file_extension($file_path, $name, $size, $type, $error, |
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$index, $content_range), |
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$size, |
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$type, |
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$error, |
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$index, |
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$content_range |
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); |
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} |
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protected function get_scaled_image_file_paths($file_name, $version) { |
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$file_path = $this->get_upload_path($file_name); |
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if (!empty($version)) { |
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$version_dir = $this->get_upload_path(null, $version); |
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if (!is_dir($version_dir)) { |
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mkdir($version_dir, $this->options['mkdir_mode'], true); |
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} |
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$new_file_path = $version_dir.'/'.$file_name; |
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} else { |
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$new_file_path = $file_path; |
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} |
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return array($file_path, $new_file_path); |
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} |
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protected function gd_get_image_object($file_path, $func, $no_cache = false) { |
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if (empty($this->image_objects[$file_path]) || $no_cache) { |
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$this->gd_destroy_image_object($file_path); |
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$this->image_objects[$file_path] = $func($file_path); |
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} |
|
return $this->image_objects[$file_path]; |
|
} |
|
protected function gd_set_image_object($file_path, $image) { |
|
$this->gd_destroy_image_object($file_path); |
|
$this->image_objects[$file_path] = $image; |
|
} |
|
protected function gd_destroy_image_object($file_path) { |
|
$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null ; |
|
return $image && imagedestroy($image); |
|
} |
|
protected function gd_imageflip($image, $mode) { |
|
if (function_exists('imageflip')) { |
|
return imageflip($image, $mode); |
|
} |
|
$new_width = $src_width = imagesx($image); |
|
$new_height = $src_height = imagesy($image); |
|
$new_img = imagecreatetruecolor($new_width, $new_height); |
|
$src_x = 0; |
|
$src_y = 0; |
|
switch ($mode) { |
|
case '1': // flip on the horizontal axis |
|
$src_y = $new_height - 1; |
|
$src_height = -$new_height; |
|
break; |
|
case '2': // flip on the vertical axis |
|
$src_x = $new_width - 1; |
|
$src_width = -$new_width; |
|
break; |
|
case '3': // flip on both axes |
|
$src_y = $new_height - 1; |
|
$src_height = -$new_height; |
|
$src_x = $new_width - 1; |
|
$src_width = -$new_width; |
|
break; |
|
default: |
|
return $image; |
|
} |
|
imagecopyresampled( |
|
$new_img, |
|
$image, |
|
0, |
|
0, |
|
$src_x, |
|
$src_y, |
|
$new_width, |
|
$new_height, |
|
$src_width, |
|
$src_height |
|
); |
|
return $new_img; |
|
} |
|
protected function gd_orient_image($file_path, $src_img) { |
|
if (!function_exists('exif_read_data')) { |
|
return false; |
|
} |
|
$exif = @exif_read_data($file_path); |
|
if ($exif === false) { |
|
return false; |
|
} |
|
$orientation = (int)@$exif['Orientation']; |
|
if ($orientation < 2 || $orientation > 8) { |
|
return false; |
|
} |
|
switch ($orientation) { |
|
case 2: |
|
$new_img = $this->gd_imageflip( |
|
$src_img, |
|
defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2 |
|
); |
|
break; |
|
case 3: |
|
$new_img = imagerotate($src_img, 180, 0); |
|
break; |
|
case 4: |
|
$new_img = $this->gd_imageflip( |
|
$src_img, |
|
defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1 |
|
); |
|
break; |
|
case 5: |
|
$tmp_img = $this->gd_imageflip( |
|
$src_img, |
|
defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1 |
|
); |
|
$new_img = imagerotate($tmp_img, 270, 0); |
|
imagedestroy($tmp_img); |
|
break; |
|
case 6: |
|
$new_img = imagerotate($src_img, 270, 0); |
|
break; |
|
case 7: |
|
$tmp_img = $this->gd_imageflip( |
|
$src_img, |
|
defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2 |
|
); |
|
$new_img = imagerotate($tmp_img, 270, 0); |
|
imagedestroy($tmp_img); |
|
break; |
|
case 8: |
|
$new_img = imagerotate($src_img, 90, 0); |
|
break; |
|
default: |
|
return false; |
|
} |
|
$this->gd_set_image_object($file_path, $new_img); |
|
return true; |
|
} |
|
protected function gd_create_scaled_image($file_name, $version, $options) { |
|
if (!function_exists('imagecreatetruecolor')) { |
|
error_log('Function not found: imagecreatetruecolor'); |
|
return false; |
|
} |
|
list($file_path, $new_file_path) = |
|
$this->get_scaled_image_file_paths($file_name, $version); |
|
$type = strtolower(substr(strrchr($file_name, '.'), 1)); |
|
switch ($type) { |
|
case 'jpg': |
|
case 'jpeg': |
|
$src_func = 'imagecreatefromjpeg'; |
|
$write_func = 'imagejpeg'; |
|
$image_quality = isset($options['jpeg_quality']) ? |
|
$options['jpeg_quality'] : 75; |
|
break; |
|
case 'gif': |
|
$src_func = 'imagecreatefromgif'; |
|
$write_func = 'imagegif'; |
|
$image_quality = null; |
|
break; |
|
case 'png': |
|
$src_func = 'imagecreatefrompng'; |
|
$write_func = 'imagepng'; |
|
$image_quality = isset($options['png_quality']) ? |
|
$options['png_quality'] : 9; |
|
break; |
|
default: |
|
return false; |
|
} |
|
$src_img = $this->gd_get_image_object( |
|
$file_path, |
|
$src_func, |
|
!empty($options['no_cache']) |
|
); |
|
$image_oriented = false; |
|
if (!empty($options['auto_orient']) && $this->gd_orient_image( |
|
$file_path, |
|
$src_img |
|
)) { |
|
$image_oriented = true; |
|
$src_img = $this->gd_get_image_object( |
|
$file_path, |
|
$src_func |
|
); |
|
} |
|
$max_width = $img_width = imagesx($src_img); |
|
$max_height = $img_height = imagesy($src_img); |
|
if (!empty($options['max_width'])) { |
|
$max_width = $options['max_width']; |
|
} |
|
if (!empty($options['max_height'])) { |
|
$max_height = $options['max_height']; |
|
} |
|
$scale = min( |
|
$max_width / $img_width, |
|
$max_height / $img_height |
|
); |
|
if ($scale >= 1) { |
|
if ($image_oriented) { |
|
return $write_func($src_img, $new_file_path, $image_quality); |
|
} |
|
if ($file_path !== $new_file_path) { |
|
return copy($file_path, $new_file_path); |
|
} |
|
return true; |
|
} |
|
if (empty($options['crop'])) { |
|
$new_width = $img_width * $scale; |
|
$new_height = $img_height * $scale; |
|
$dst_x = 0; |
|
$dst_y = 0; |
|
$new_img = imagecreatetruecolor($new_width, $new_height); |
|
} else { |
|
if (($img_width / $img_height) >= ($max_width / $max_height)) { |
|
$new_width = $img_width / ($img_height / $max_height); |
|
$new_height = $max_height; |
|
} else { |
|
$new_width = $max_width; |
|
$new_height = $img_height / ($img_width / $max_width); |
|
} |
|
$dst_x = 0 - ($new_width - $max_width) / 2; |
|
$dst_y = 0 - ($new_height - $max_height) / 2; |
|
$new_img = imagecreatetruecolor($max_width, $max_height); |
|
} |
|
// Handle transparency in GIF and PNG images: |
|
switch ($type) { |
|
case 'gif': |
|
case 'png': |
|
imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0)); |
|
case 'png': |
|
imagealphablending($new_img, false); |
|
imagesavealpha($new_img, true); |
|
break; |
|
} |
|
$success = imagecopyresampled( |
|
$new_img, |
|
$src_img, |
|
$dst_x, |
|
$dst_y, |
|
0, |
|
0, |
|
$new_width, |
|
$new_height, |
|
$img_width, |
|
$img_height |
|
) && $write_func($new_img, $new_file_path, $image_quality); |
|
$this->gd_set_image_object($file_path, $new_img); |
|
return $success; |
|
} |
|
protected function imagick_get_image_object($file_path, $no_cache = false) { |
|
if (empty($this->image_objects[$file_path]) || $no_cache) { |
|
$this->imagick_destroy_image_object($file_path); |
|
$image = new \Imagick(); |
|
if (!empty($this->options['imagick_resource_limits'])) { |
|
foreach ($this->options['imagick_resource_limits'] as $type => $limit) { |
|
$image->setResourceLimit($type, $limit); |
|
} |
|
} |
|
$image->readImage($file_path); |
|
$this->image_objects[$file_path] = $image; |
|
} |
|
return $this->image_objects[$file_path]; |
|
} |
|
protected function imagick_set_image_object($file_path, $image) { |
|
$this->imagick_destroy_image_object($file_path); |
|
$this->image_objects[$file_path] = $image; |
|
} |
|
protected function imagick_destroy_image_object($file_path) { |
|
$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null ; |
|
return $image && $image->destroy(); |
|
} |
|
protected function imagick_orient_image($image) { |
|
$orientation = $image->getImageOrientation(); |
|
$background = new \ImagickPixel('none'); |
|
switch ($orientation) { |
|
case \imagick::ORIENTATION_TOPRIGHT: // 2 |
|
$image->flopImage(); // horizontal flop around y-axis |
|
break; |
|
case \imagick::ORIENTATION_BOTTOMRIGHT: // 3 |
|
$image->rotateImage($background, 180); |
|
break; |
|
case \imagick::ORIENTATION_BOTTOMLEFT: // 4 |
|
$image->flipImage(); // vertical flip around x-axis |
|
break; |
|
case \imagick::ORIENTATION_LEFTTOP: // 5 |
|
$image->flopImage(); // horizontal flop around y-axis |
|
$image->rotateImage($background, 270); |
|
break; |
|
case \imagick::ORIENTATION_RIGHTTOP: // 6 |
|
$image->rotateImage($background, 90); |
|
break; |
|
case \imagick::ORIENTATION_RIGHTBOTTOM: // 7 |
|
$image->flipImage(); // vertical flip around x-axis |
|
$image->rotateImage($background, 270); |
|
break; |
|
case \imagick::ORIENTATION_LEFTBOTTOM: // 8 |
|
$image->rotateImage($background, 270); |
|
break; |
|
default: |
|
return false; |
|
} |
|
$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1 |
|
return true; |
|
} |
|
protected function imagick_create_scaled_image($file_name, $version, $options) { |
|
list($file_path, $new_file_path) = |
|
$this->get_scaled_image_file_paths($file_name, $version); |
|
$image = $this->imagick_get_image_object( |
|
$file_path, |
|
!empty($options['no_cache']) |
|
); |
|
if ($image->getImageFormat() === 'GIF') { |
|
// Handle animated GIFs: |
|
$images = $image->coalesceImages(); |
|
foreach ($images as $frame) { |
|
$image = $frame; |
|
$this->imagick_set_image_object($file_name, $image); |
|
break; |
|
} |
|
} |
|
$image_oriented = false; |
|
if (!empty($options['auto_orient'])) { |
|
$image_oriented = $this->imagick_orient_image($image); |
|
} |
|
$new_width = $max_width = $img_width = $image->getImageWidth(); |
|
$new_height = $max_height = $img_height = $image->getImageHeight(); |
|
if (!empty($options['max_width'])) { |
|
$new_width = $max_width = $options['max_width']; |
|
} |
|
if (!empty($options['max_height'])) { |
|
$new_height = $max_height = $options['max_height']; |
|
} |
|
if (!($image_oriented || $max_width < $img_width || $max_height < $img_height)) { |
|
if ($file_path !== $new_file_path) { |
|
return copy($file_path, $new_file_path); |
|
} |
|
return true; |
|
} |
|
$crop = !empty($options['crop']); |
|
if ($crop) { |
|
$x = 0; |
|
$y = 0; |
|
if (($img_width / $img_height) >= ($max_width / $max_height)) { |
|
$new_width = 0; // Enables proportional scaling based on max_height |
|
$x = ($img_width / ($img_height / $max_height) - $max_width) / 2; |
|
} else { |
|
$new_height = 0; // Enables proportional scaling based on max_width |
|
$y = ($img_height / ($img_width / $max_width) - $max_height) / 2; |
|
} |
|
} |
|
$success = $image->resizeImage( |
|
$new_width, |
|
$new_height, |
|
isset($options['filter']) ? $options['filter'] : \imagick::FILTER_LANCZOS, |
|
isset($options['blur']) ? $options['blur'] : 1, |
|
$new_width && $new_height // fit image into constraints if not to be cropped |
|
); |
|
if ($success && $crop) { |
|
$success = $image->cropImage( |
|
$max_width, |
|
$max_height, |
|
$x, |
|
$y |
|
); |
|
if ($success) { |
|
$success = $image->setImagePage($max_width, $max_height, 0, 0); |
|
} |
|
} |
|
$type = strtolower(substr(strrchr($file_name, '.'), 1)); |
|
switch ($type) { |
|
case 'jpg': |
|
case 'jpeg': |
|
if (!empty($options['jpeg_quality'])) { |
|
$image->setImageCompression(\imagick::COMPRESSION_JPEG); |
|
$image->setImageCompressionQuality($options['jpeg_quality']); |
|
} |
|
break; |
|
} |
|
if (!empty($options['strip'])) { |
|
$image->stripImage(); |
|
} |
|
return $success && $image->writeImage($new_file_path); |
|
} |
|
protected function imagemagick_create_scaled_image($file_name, $version, $options) { |
|
list($file_path, $new_file_path) = |
|
$this->get_scaled_image_file_paths($file_name, $version); |
|
$resize = @$options['max_width'] |
|
.(empty($options['max_height']) ? '' : 'X'.$options['max_height']); |
|
if (!$resize && empty($options['auto_orient'])) { |
|
if ($file_path !== $new_file_path) { |
|
return copy($file_path, $new_file_path); |
|
} |
|
return true; |
|
} |
|
$cmd = $this->options['convert_bin']; |
|
if (!empty($this->options['convert_params'])) { |
|
$cmd .= ' '.$this->options['convert_params']; |
|
} |
|
$cmd .= ' '.escapeshellarg($file_path); |
|
if (!empty($options['auto_orient'])) { |
|
$cmd .= ' -auto-orient'; |
|
} |
|
if ($resize) { |
|
// Handle animated GIFs: |
|
$cmd .= ' -coalesce'; |
|
if (empty($options['crop'])) { |
|
$cmd .= ' -resize '.escapeshellarg($resize.'>'); |
|
} else { |
|
$cmd .= ' -resize '.escapeshellarg($resize.'^'); |
|
$cmd .= ' -gravity center'; |
|
$cmd .= ' -crop '.escapeshellarg($resize.'+0+0'); |
|
} |
|
// Make sure the page dimensions are correct (fixes offsets of animated GIFs): |
|
$cmd .= ' +repage'; |
|
} |
|
if (!empty($options['convert_params'])) { |
|
$cmd .= ' '.$options['convert_params']; |
|
} |
|
$cmd .= ' '.escapeshellarg($new_file_path); |
|
exec($cmd, $output, $error); |
|
if ($error) { |
|
error_log(implode('\n', $output)); |
|
return false; |
|
} |
|
return true; |
|
} |
|
protected function get_image_size($file_path) { |
|
if ($this->options['image_library']) { |
|
if (extension_loaded('imagick')) { |
|
$image = new \Imagick(); |
|
try { |
|
if (@$image->pingImage($file_path)) { |
|
$dimensions = array($image->getImageWidth(), $image->getImageHeight()); |
|
$image->destroy(); |
|
return $dimensions; |
|
} |
|
return false; |
|
} catch (Exception $e) { |
|
error_log($e->getMessage()); |
|
} |
|
} |
|
if ($this->options['image_library'] === 2) { |
|
$cmd = $this->options['identify_bin']; |
|
$cmd .= ' -ping '.escapeshellarg($file_path); |
|
exec($cmd, $output, $error); |
|
if (!$error && !empty($output)) { |
|
// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000 |
|
$infos = preg_split('/\s+/', substr($output[0], strlen($file_path))); |
|
$dimensions = preg_split('/x/', $infos[2]); |
|
return $dimensions; |
|
} |
|
return false; |
|
} |
|
} |
|
if (!function_exists('getimagesize')) { |
|
error_log('Function not found: getimagesize'); |
|
return false; |
|
} |
|
return @getimagesize($file_path); |
|
} |
|
protected function create_scaled_image($file_name, $version, $options) { |
|
if ($this->options['image_library'] === 2) { |
|
return $this->imagemagick_create_scaled_image($file_name, $version, $options); |
|
} |
|
if ($this->options['image_library'] && extension_loaded('imagick')) { |
|
return $this->imagick_create_scaled_image($file_name, $version, $options); |
|
} |
|
return $this->gd_create_scaled_image($file_name, $version, $options); |
|
} |
|
protected function destroy_image_object($file_path) { |
|
if ($this->options['image_library'] && extension_loaded('imagick')) { |
|
return $this->imagick_destroy_image_object($file_path); |
|
} |
|
} |
|
protected function is_valid_image_file($file_path) { |
|
if (!preg_match($this->options['image_file_types'], $file_path)) { |
|
return false; |
|
} |
|
if (function_exists('exif_imagetype')) { |
|
return @exif_imagetype($file_path); |
|
} |
|
$image_info = $this->get_image_size($file_path); |
|
return $image_info && $image_info[0] && $image_info[1]; |
|
} |
|
protected function handle_image_file($file_path, $file) { |
|
$failed_versions = array(); |
|
foreach($this->options['image_versions'] as $version => $options) { |
|
if ($this->create_scaled_image($file->name, $version, $options)) { |
|
if (!empty($version)) { |
|
$file->{$version.'Url'} = $this->get_download_url( |
|
$file->name, |
|
$version |
|
); |
|
} else { |
|
$file->size = $this->get_file_size($file_path, true); |
|
} |
|
} else { |
|
$failed_versions[] = $version ? $version : 'original'; |
|
} |
|
} |
|
if (count($failed_versions)) { |
|
$file->error = $this->get_error_message('image_resize') |
|
.' ('.implode($failed_versions,', ').')'; |
|
} |
|
// Free memory: |
|
$this->destroy_image_object($file_path); |
|
} |
|
protected function handle_file_upload($uploaded_file, $name, $size, $type, $error, |
|
$index = null, $content_range = null) { |
|
$file = new \stdClass(); |
|
$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error, |
|
$index, $content_range); |
|
$file->size = $this->fix_integer_overflow((int)$size); |
|
$file->type = $type; |
|
if ($this->validate($uploaded_file, $file, $error, $index)) { |
|
$upload_dir = $this->get_upload_path(); |
|
if (!is_dir($upload_dir)) { |
|
mkdir($upload_dir, $this->options['mkdir_mode'], true); |
|
} |
|
$file_path = $this->get_upload_path($file->name); |
|
$append_file = $content_range && is_file($file_path) && |
|
$file->size > $this->get_file_size($file_path); |
|
if ($uploaded_file && is_uploaded_file($uploaded_file)) { |
|
// multipart/formdata uploads (POST method uploads) |
|
if ($append_file) { |
|
file_put_contents( |
|
$file_path, |
|
fopen($uploaded_file, 'r'), |
|
FILE_APPEND |
|
); |
|
} else { |
|
move_uploaded_file($uploaded_file, $file_path); |
|
} |
|
} else { |
|
// Non-multipart uploads (PUT method support) |
|
file_put_contents( |
|
$file_path, |
|
fopen('php://input', 'r'), |
|
$append_file ? FILE_APPEND : 0 |
|
); |
|
} |
|
$file_size = $this->get_file_size($file_path, $append_file); |
|
if ($file_size === $file->size) { |
|
$file->url = $this->get_download_url($file->name); |
|
if ($this->is_valid_image_file($file_path)) { |
|
$this->handle_image_file($file_path, $file); |
|
} |
|
} else { |
|
$file->size = $file_size; |
|
if (!$content_range && $this->options['discard_aborted_uploads']) { |
|
unlink($file_path); |
|
$file->error = $this->get_error_message('abort'); |
|
} |
|
} |
|
$this->set_additional_file_properties($file); |
|
} |
|
return $file; |
|
} |
|
protected function readfile($file_path) { |
|
$file_size = $this->get_file_size($file_path); |
|
$chunk_size = $this->options['readfile_chunk_size']; |
|
if ($chunk_size && $file_size > $chunk_size) { |
|
$handle = fopen($file_path, 'rb'); |
|
while (!feof($handle)) { |
|
echo fread($handle, $chunk_size); |
|
@ob_flush(); |
|
@flush(); |
|
} |
|
fclose($handle); |
|
return $file_size; |
|
} |
|
return readfile($file_path); |
|
} |
|
protected function body($str) { |
|
echo $str; |
|
} |
|
|
|
protected function header($str) { |
|
header($str); |
|
} |
|
protected function get_upload_data($id) { |
|
return @$_FILES[$id]; |
|
} |
|
protected function get_query_param($id) { |
|
return @$_GET[$id]; |
|
} |
|
protected function get_server_var($id) { |
|
return @$_SERVER[$id]; |
|
} |
|
/** Populate all data added to */ |
|
protected function handle_form_data() { |
|
$form_data = array(); |
|
|
|
// Handle form data, e.g. $_POST['description'][$index] |
|
|
|
return $form_data; |
|
} |
|
protected function get_version_param() { |
|
return basename(stripslashes($this->get_query_param('version'))); |
|
} |
|
protected function get_singular_param_name() { |
|
return substr($this->options['param_name'], 0, -1); |
|
} |
|
protected function get_file_name_param() { |
|
$name = $this->get_singular_param_name(); |
|
return basename(stripslashes($this->get_query_param($name))); |
|
} |
|
protected function get_file_names_params() { |
|
$params = $this->get_query_param($this->options['param_name']); |
|
if (!$params) { |
|
return null; |
|
} |
|
foreach ($params as $key => $value) { |
|
$params[$key] = basename(stripslashes($value)); |
|
} |
|
return $params; |
|
} |
|
protected function get_file_type($file_path) { |
|
switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) { |
|
case 'jpeg': |
|
case 'jpg': |
|
return 'image/jpeg'; |
|
case 'png': |
|
return 'image/png'; |
|
case 'gif': |
|
return 'image/gif'; |
|
default: |
|
return ''; |
|
} |
|
} |
|
protected function download() { |
|
switch ($this->options['download_via_php']) { |
|
case 1: |
|
$redirect_header = null; |
|
break; |
|
case 2: |
|
$redirect_header = 'X-Sendfile'; |
|
break; |
|
case 3: |
|
$redirect_header = 'X-Accel-Redirect'; |
|
break; |
|
default: |
|
return $this->header('HTTP/1.1 403 Forbidden'); |
|
} |
|
$file_name = $this->get_file_name_param(); |
|
if (!$this->is_valid_file_object($file_name)) { |
|
return $this->header('HTTP/1.1 404 Not Found'); |
|
} |
|
if ($redirect_header) { |
|
return $this->header( |
|
$redirect_header.': '.$this->get_download_url( |
|
$file_name, |
|
$this->get_version_param(), |
|
true |
|
) |
|
); |
|
} |
|
$file_path = $this->get_upload_path($file_name, $this->get_version_param()); |
|
// Prevent browsers from MIME-sniffing the content-type: |
|
$this->header('X-Content-Type-Options: nosniff'); |
|
if (!preg_match($this->options['inline_file_types'], $file_name)) { |
|
$this->header('Content-Type: application/octet-stream'); |
|
$this->header('Content-Disposition: attachment; filename="'.$file_name.'"'); |
|
} else { |
|
$this->header('Content-Type: '.$this->get_file_type($file_path)); |
|
$this->header('Content-Disposition: inline; filename="'.$file_name.'"'); |
|
} |
|
$this->header('Content-Length: '.$this->get_file_size($file_path)); |
|
$this->header('Last-Modified: '.gmdate('D, d M Y H:i:s T', filemtime($file_path))); |
|
$this->readfile($file_path); |
|
} |
|
protected function send_content_type_header() { |
|
$this->header('Vary: Accept'); |
|
if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) { |
|
$this->header('Content-type: application/json'); |
|
} else { |
|
$this->header('Content-type: text/plain'); |
|
} |
|
} |
|
protected function send_access_control_headers() { |
|
$this->header('Access-Control-Allow-Origin: '.$this->options['access_control_allow_origin']); |
|
$this->header('Access-Control-Allow-Credentials: ' |
|
.($this->options['access_control_allow_credentials'] ? 'true' : 'false')); |
|
$this->header('Access-Control-Allow-Methods: ' |
|
.implode(', ', $this->options['access_control_allow_methods'])); |
|
$this->header('Access-Control-Allow-Headers: ' |
|
.implode(', ', $this->options['access_control_allow_headers'])); |
|
} |
|
public function generate_response($content, $print_response = true) { |
|
$this->response = $content; |
|
if ($print_response) { |
|
$json = json_encode($content); |
|
$redirect = stripslashes($this->get_query_param('redirect')); |
|
if ($redirect) { |
|
$this->header('Location: '.sprintf($redirect, rawurlencode($json))); |
|
return; |
|
} |
|
$this->head(); |
|
if ($this->get_server_var('HTTP_CONTENT_RANGE')) { |
|
$files = isset($content[$this->options['param_name']]) ? |
|
$content[$this->options['param_name']] : null; |
|
if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) { |
|
$this->header('Range: 0-'.( |
|
$this->fix_integer_overflow((int)$files[0]->size) - 1 |
|
)); |
|
} |
|
} |
|
$this->body($json); |
|
} |
|
return $content; |
|
} |
|
public function get_response () { |
|
return $this->response; |
|
} |
|
public function head() { |
|
$this->header('Pragma: no-cache'); |
|
$this->header('Cache-Control: no-store, no-cache, must-revalidate'); |
|
$this->header('Content-Disposition: inline; filename="files.json"'); |
|
// Prevent Internet Explorer from MIME-sniffing the content-type: |
|
$this->header('X-Content-Type-Options: nosniff'); |
|
if ($this->options['access_control_allow_origin']) { |
|
$this->send_access_control_headers(); |
|
} |
|
$this->send_content_type_header(); |
|
} |
|
public function get($print_response = true) { |
|
if ($print_response && $this->get_query_param('download')) { |
|
return $this->download(); |
|
} |
|
$file_name = $this->get_file_name_param(); |
|
if ($file_name) { |
|
$response = array( |
|
$this->get_singular_param_name() => $this->get_file_object($file_name) |
|
); |
|
} else { |
|
$response = array( |
|
$this->options['param_name'] => $this->get_file_objects() |
|
); |
|
} |
|
return $this->generate_response($response, $print_response); |
|
} |
|
public function post($print_response = true) { |
|
if ($this->get_query_param('_method') === 'DELETE') { |
|
return $this->delete($print_response); |
|
} |
|
$upload = $this->get_upload_data($this->options['param_name']); |
|
// Parse the Content-Disposition header, if available: |
|
$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION'); |
|
$file_name = $content_disposition_header ? |
|
rawurldecode(preg_replace( |
|
'/(^[^"]+")|("$)/', |
|
'', |
|
$content_disposition_header |
|
)) : null; |
|
// Parse the Content-Range header, which has the following form: |
|
// Content-Range: bytes 0-524287/2000000 |
|
$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE'); |
|
$content_range = $content_range_header ? |
|
preg_split('/[^0-9]+/', $content_range_header) : null; |
|
$size = $content_range ? $content_range[3] : null; |
|
$files = array(); |
|
if ($upload) { |
|
if (is_array($upload['tmp_name'])) { |
|
// param_name is an array identifier like "files[]", |
|
// $upload is a multi-dimensional array: |
|
foreach ($upload['tmp_name'] as $index => $value) { |
|
$files[] = $this->handle_file_upload( |
|
$upload['tmp_name'][$index], |
|
$file_name ? $file_name : $upload['name'][$index], |
|
$size ? $size : $upload['size'][$index], |
|
$upload['type'][$index], |
|
$upload['error'][$index], |
|
$index, |
|
$content_range |
|
); |
|
} |
|
} else { |
|
// param_name is a single object identifier like "file", |
|
// $upload is a one-dimensional array: |
|
$files[] = $this->handle_file_upload( |
|
isset($upload['tmp_name']) ? $upload['tmp_name'] : null, |
|
$file_name ? $file_name : (isset($upload['name']) ? |
|
$upload['name'] : null), |
|
$size ? $size : (isset($upload['size']) ? |
|
$upload['size'] : $this->get_server_var('CONTENT_LENGTH')), |
|
isset($upload['type']) ? |
|
$upload['type'] : $this->get_server_var('CONTENT_TYPE'), |
|
isset($upload['error']) ? $upload['error'] : null, |
|
null, |
|
$content_range |
|
); |
|
} |
|
} |
|
//$response = array($this->options['param_name'] => $files); |
|
return $files; |
|
} |
|
public function delete($print_response = true) { |
|
$file_names = $this->get_file_names_params(); |
|
if (empty($file_names)) { |
|
$file_names = array($this->get_file_name_param()); |
|
} |
|
$response = array(); |
|
foreach($file_names as $file_name) { |
|
$file_path = $this->get_upload_path($file_name); |
|
$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path); |
|
if ($success) { |
|
foreach($this->options['image_versions'] as $version => $options) { |
|
if (!empty($version)) { |
|
$file = $this->get_upload_path($file_name, $version); |
|
if (is_file($file)) { |
|
unlink($file); |
|
} |
|
} |
|
} |
|
} |
|
$response[$file_name] = $success; |
|
} |
|
return $this->generate_response($response, $print_response); |
|
} |
|
|
|
function check_input($data) |
|
{ |
|
$data = trim($data); |
|
$data = stripslashes($data); |
|
$data = htmlspecialchars($data); |
|
return $data; |
|
} |
|
} |