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Файловый менеджер - Редактировать - /var/www/biopower/html/wp-content/plugins/jetpack/_inc/lib/class.media.php

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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName require_once JETPACK__PLUGIN_DIR . 'sal/class.json-api-date.php'; /** * Class to handle different actions related to media. / class Jetpack_Media { /* * Original media meta data. Metadata key as stored by WP. * * @var string / const WP_ORIGINAL_MEDIA = '_wp_original_post_media'; /* * Revision history. Metadata key as stored by WP. * * @var string / const WP_REVISION_HISTORY = '_wp_revision_history'; /* * Maximum amount of revisions. * * @var int / const REVISION_HISTORY_MAXIMUM_AMOUNT = 0; /* * Image Alt. Metadata key as stored by WP. * * @var string / const WP_ATTACHMENT_IMAGE_ALT = '_wp_attachment_image_alt'; /* * Generate a filename in function of the original filename of the media. * The returned name has the `{basename}-{hash}-{random-number}.{ext}` shape. * The hash is built according to the filename trying to avoid name collisions * with other media files. * * @param int $media_id - media post ID. * @param string $new_filename - the new filename. * @return string A random filename. / public static function generate_new_filename( $media_id, $new_filename ) { // Get the right filename extension. $new_filename_paths = pathinfo( $new_filename ); $new_file_ext = $new_filename_paths['extension']; // Get the file parts from the current attachment. $current_file = get_attached_file( $media_id ); $current_file_parts = pathinfo( $current_file ); $current_file_ext = $current_file_parts['extension']; $current_file_dirname = $current_file_parts['dirname']; // Take out filename from the original file or from the current attachment. $original_media = (array) self::get_original_media( $media_id ); if ( ! empty( $original_media ) ) { $original_file_parts = pathinfo( $original_media['file'] ); $filename_base = $original_file_parts['filename']; } else { $filename_base = $current_file_parts['filename']; } // Add unique seed based on the filename. $filename_base .= '-' . crc32( $filename_base ) . '-'; $number_suffix = time() . wp_rand( 100, 999 ); do { $filename = $filename_base; $filename .= "e{$number_suffix}"; $file_ext = $new_file_ext ? $new_file_ext : $current_file_ext; $new_filename = "{$filename}.{$file_ext}"; $new_path = "{$current_file_dirname}/$new_filename"; ++$number_suffix; } while ( file_exists( $new_path ) ); return $new_filename; } /* * File urls use the post (image item) date to generate a folder path. * Post dates can change, so we use the original date used in the `guid` * url so edits can remain in the same folder. In the following function * we capture a string in the format of `YYYY/MM` from the guid. * * For example with a guid of * "http://test.files.wordpress.com/2016/10/test.png" the resulting string * would be: "2016/10" * * @param int $media_id Attachment ID. * @return string / private static function get_time_string_from_guid( $media_id ) { $time = gmdate( 'Y/m', strtotime( current_time( 'mysql' ) ) ); $media = get_post( $media_id ); if ( $media ) { $pattern = '/\/(\d{4}\/\d{2})\//'; preg_match( $pattern, $media->guid, $matches ); if ( count( $matches ) > 1 ) { $time = $matches[1]; } } return $time; } /* * Return an array of allowed mime_type items used to upload a media file. * * @param array $default_mime_types Array of mime types. * * @return array mime_type array / public static function get_allowed_mime_types( $default_mime_types ) { return array_unique( array_merge( $default_mime_types, array( 'application/msword', // .doc 'application/vnd.ms-powerpoint', // .ppt, .pps 'application/vnd.ms-excel', // .xls 'application/vnd.openxmlformats-officedocument.presentationml.presentation', // .pptx 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', // .ppsx 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', // .xlsx 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', // .docx 'application/vnd.oasis.opendocument.text', // .odt 'application/pdf', // .pdf ) ) ); } /* * Checks that the mime type of the file * is among those in a filterable list of mime types. * * @param string $file Path to file to get its mime type. * @return bool / protected static function is_file_supported_for_sideloading( $file ) { return jetpack_is_file_supported_for_sideloading( $file ); } /* * Save the given uploaded temporary file considering file type, * correct location according to the original file path, etc. * The file type control is done through of `jetpack_supported_media_sideload_types` filter, * which allows define to the users their own file types list. * * Note this does not support sideloads, only uploads. * * @param array $file_array Data derived from `$_FILES` for an uploaded file. * @param int $media_id Attachment ID. * @return array\|WP_Error an array with information about the new file saved or a WP_Error is something went wrong. / public static function save_temporary_file( $file_array, $media_id ) { $tmp_filename = $file_array['tmp_name']; if ( ! is_uploaded_file( $tmp_filename ) ) { return new WP_Error( 'invalid_input', 'No media provided in input.' ); } // add additional mime_types through of the `jetpack_supported_media_sideload_types` filter. $mime_type_static_filter = array( 'Jetpack_Media', 'get_allowed_mime_types', ); add_filter( 'jetpack_supported_media_sideload_types', $mime_type_static_filter ); if ( ! self::is_file_supported_for_sideloading( $tmp_filename ) && ! file_is_displayable_image( $tmp_filename ) ) { return new WP_Error( 'invalid_input', 'Invalid file type.', 403 ); } remove_filter( 'jetpack_supported_media_sideload_types', $mime_type_static_filter ); // generate a new file name. $tmp_new_filename = self::generate_new_filename( $media_id, $file_array['name'] ); // start to create the parameters to move the temporal file. $overrides = array( 'test_form' => false ); // get time according to the original filaname. $time = self::get_time_string_from_guid( $media_id ); $file_array['name'] = $tmp_new_filename; $file = wp_handle_upload( $file_array, $overrides, $time ); if ( isset( $file['error'] ) ) { return new WP_Error( 'upload_error', $file['error'] ); } return $file; } /* * Return an object with an snapshot of a revision item. * * @param object $media_item - media post object. * @return object a revision item / public static function get_snapshot( $media_item ) { $current_file = get_attached_file( $media_item->ID ); $file_paths = pathinfo( $current_file ); $snapshot = array( 'date' => (string) WPCOM_JSON_API_Date::format_date( $media_item->post_modified_gmt, $media_item->post_modified ), 'URL' => (string) wp_get_attachment_url( $media_item->ID ), 'file' => (string) $file_paths['basename'], 'extension' => (string) $file_paths['extension'], 'mime_type' => (string) $media_item->post_mime_type, 'size' => (int) filesize( $current_file ), ); return (object) $snapshot; } /* * Add a new item into revision_history array. * * @param object $media_item - media post object. * @param array\|WP_Error $file - File data, or WP_Error on error. * @param bool $has_original_media - condition is the original media has been already added. * @return bool `true` if the item has been added. Otherwise `false`. / public static function register_revision( $media_item, $file, $has_original_media ) { if ( is_wp_error( $file ) \|\| ! $has_original_media ) { return false; } add_post_meta( $media_item->ID, self::WP_REVISION_HISTORY, self::get_snapshot( $media_item ) ); } /* * Return the `revision_history` of the given media. * * @param int $media_id - media post ID. * @return array `revision_history` array / public static function get_revision_history( $media_id ) { return array_reverse( get_post_meta( $media_id, self::WP_REVISION_HISTORY ) ); } /* * Return the original media data. * * @param int $media_id Attachment ID. / public static function get_original_media( $media_id ) { $original = get_post_meta( $media_id, self::WP_ORIGINAL_MEDIA, true ); $original = $original ? $original : array(); return $original; } /* * Delete a file. * * @param string $pathname Path name. / public static function delete_file( $pathname ) { if ( ! file_exists( $pathname ) \|\| ! is_file( $pathname ) ) { // let's touch a fake file to try to `really` remove the media file. touch( $pathname ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_touch } return wp_delete_file( $pathname ); } /* * Try to delete a file according to the dirname of * the media attached file and the filename. * * @param int $media_id - media post ID. * @param string $filename - basename of the file ( name-of-file.ext ). * * @return void / private static function delete_media_history_file( $media_id, $filename ) { $attached_path = get_attached_file( $media_id ); $attached_parts = pathinfo( $attached_path ); $dirname = $attached_parts['dirname']; $pathname = $dirname . '/' . $filename; // remove thumbnails. $metadata = wp_generate_attachment_metadata( $media_id, $pathname ); if ( isset( $metadata ) && isset( $metadata['sizes'] ) ) { foreach ( $metadata['sizes'] as $properties ) { self::delete_file( $dirname . '/' . $properties['file'] ); } } // remove primary file. self::delete_file( $pathname ); } /* * Remove specific items from the `revision history` array * depending on the given criteria: array( * 'from' => (int) <from>, * 'to' => (int) <to>, * ) * * Also, it removes the file defined in each item. * * @param int $media_id - media post ID. * @param array $criteria - criteria to remove the items. * @param array $revision_history - revision history array. * * @return array `revision_history` array updated. / public static function remove_items_from_revision_history( $media_id, $criteria, $revision_history ) { if ( ! isset( $revision_history ) ) { $revision_history = self::get_revision_history( $media_id ); } $from = $criteria['from']; $to = $criteria['to'] ? $criteria['to'] : ( $from + 1 ); for ( $i = $from; $i < $to; $i++ ) { $removed_item = array_slice( $revision_history, $from, 1 ); if ( ! $removed_item ) { break; } array_splice( $revision_history, $from, 1 ); self::delete_media_history_file( $media_id, $removed_item[0]->file ); } // override all history items. delete_post_meta( $media_id, self::WP_REVISION_HISTORY ); $revision_history = array_reverse( $revision_history ); foreach ( $revision_history as &$item ) { add_post_meta( $media_id, self::WP_REVISION_HISTORY, $item ); } return $revision_history; } /* * Limit the number of items of the `revision_history` array. * When the stack is overflowing the oldest item is remove from there (FIFO). * * @param int $media_id - media post ID. * @param null\|int $limit - maximum amount of items. 20 as default. * * @return array items removed from `revision_history` / public static function limit_revision_history( $media_id, $limit = null ) { if ( $limit === null ) { $limit = self::REVISION_HISTORY_MAXIMUM_AMOUNT; } $revision_history = self::get_revision_history( $media_id ); $total = count( $revision_history ); if ( $total < $limit ) { return array(); } self::remove_items_from_revision_history( $media_id, array( 'from' => $limit, 'to' => $total, ), $revision_history ); return self::get_revision_history( $media_id ); } /* * Remove the original file and clean the post metadata. * * @param int $media_id - media post ID. / public static function clean_original_media( $media_id ) { $original_file = self::get_original_media( $media_id ); if ( ! $original_file ) { return null; } self::delete_media_history_file( $media_id, $original_file->file ); return delete_post_meta( $media_id, self::WP_ORIGINAL_MEDIA ); } /* * Clean `revision_history` of the given $media_id. it means: * - remove all media files tied to the `revision_history` items. * - clean `revision_history` meta data. * - remove and clean the `original_media` * * @param int $media_id - media post ID. * * @return array results of removing these files / public static function clean_revision_history( $media_id ) { self::clean_original_media( $media_id ); $revision_history = self::get_revision_history( $media_id ); $total = count( $revision_history ); $updated_history = array(); if ( $total < 1 ) { return $updated_history; } $updated_history = self::remove_items_from_revision_history( $media_id, array( 'from' => 0, 'to' => $total, ), $revision_history ); return $updated_history; } /* * Edit media item process: * * - update attachment file * - preserve original media file * - trace revision history * * Note this does not support sideloads, only uploads. * * @param int $media_id - media post ID. * @param array $file_array - Data derived from `$_FILES` for an uploaded file. * @return WP_Post\|WP_Error Updated media item or a WP_Error is something went wrong. / public static function edit_media_file( $media_id, $file_array ) { $media_item = get_post( $media_id ); $has_original_media = self::get_original_media( $media_id ); if ( ! $has_original_media ) { // The first time that the media is updated // the original media is stored into the revision_history. $snapshot = self::get_snapshot( $media_item ); add_post_meta( $media_id, self::WP_ORIGINAL_MEDIA, $snapshot, true ); } // Save temporary file in the correct location. $uploaded_file = self::save_temporary_file( $file_array, $media_id ); if ( is_wp_error( $uploaded_file ) ) { return $uploaded_file; } // Revision_history control. self::register_revision( $media_item, $uploaded_file, $has_original_media ); $uploaded_path = $uploaded_file['file']; $udpated_mime_type = $uploaded_file['type']; $was_updated = update_attached_file( $media_id, $uploaded_path ); if ( ! $was_updated ) { return new WP_Error( 'update_error', 'Media update error' ); } // Check maximum amount of revision_history before updating the attachment metadata. self::limit_revision_history( $media_id ); $new_metadata = wp_generate_attachment_metadata( $media_id, $uploaded_path ); wp_update_attachment_metadata( $media_id, $new_metadata ); $edited_action = wp_update_post( (object) array( 'ID' => $media_id, 'post_mime_type' => $udpated_mime_type, ), true ); if ( is_wp_error( $edited_action ) ) { return $edited_action; } return $media_item; } } // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move these functions to some other file. /* * Clean revision history when the media item is deleted. * * @param int $media_id Attachment ID. */ function jetpack_clean_revision_history( $media_id ) { Jetpack_Media::clean_revision_history( $media_id ); } add_action( 'delete_attachment', 'jetpack_clean_revision_history' );

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