AlkantarClanX12
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<?php
/**
* Helpers class.
*
* @package Smush\Core
* @version 1.0
*
* @author Umesh Kumar <umesh@incsub.com>
*
* @copyright (c) 2017, Incsub (http://incsub.com)
*/
namespace Smush\Core;
use finfo;
use WP_Smush;
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Class Helper
*/
class Helper {
/**
* Get mime type for file.
*
* @since 3.1.0 Moved here as a helper function.
*
* @param string $path Image path.
*
* @return bool|string
*/
public static function get_mime_type( $path ) {
// These mime functions only work on local files/streams.
if ( ! stream_is_local( $path ) ) {
return false;
}
// Get the File mime.
if ( class_exists( 'finfo' ) ) {
$finfo = new finfo( FILEINFO_MIME_TYPE );
} else {
$finfo = false;
}
if ( $finfo ) {
$mime = file_exists( $path ) ? $finfo->file( $path ) : '';
} elseif ( function_exists( 'mime_content_type' ) ) {
$mime = mime_content_type( $path );
} else {
$mime = false;
}
return $mime;
}
/**
* Filter the Posts object as per mime type.
*
* @param array $posts Object of Posts.
*
* @return mixed array of post ids
*/
public static function filter_by_mime( $posts ) {
if ( empty( $posts ) ) {
return $posts;
}
foreach ( $posts as $post_k => $post ) {
if ( ! isset( $post->post_mime_type ) || ! in_array( $post->post_mime_type, Core::$mime_types, true ) ) {
unset( $posts[ $post_k ] );
} else {
$posts[ $post_k ] = $post->ID;
}
}
return $posts;
}
/**
* Return unfiltered file path
*
* @param int $attachment_id Attachment ID.
*
* @return bool|false|string
*/
public static function get_attached_file( $attachment_id ) {
if ( empty( $attachment_id ) ) {
return false;
}
do_action( 'smush_s3_integration_fetch_file' );
$file_path = get_attached_file( $attachment_id );
if ( ! empty( $file_path ) && strpos( $file_path, 's3' ) !== false ) {
$file_path = get_attached_file( $attachment_id, true );
}
return $file_path;
}
/**
* Iterate over PNG->JPG Savings to return cummulative savings for an image
*
* @param string $attachment_id Attachment ID.
*
* @return array|bool
*/
public static function get_pngjpg_savings( $attachment_id = '' ) {
// Initialize empty array.
$savings = array(
'bytes' => 0,
'size_before' => 0,
'size_after' => 0,
);
// Return empty array if attaachment id not provided.
if ( empty( $attachment_id ) ) {
return $savings;
}
$pngjpg_savings = get_post_meta( $attachment_id, WP_SMUSH_PREFIX . 'pngjpg_savings', true );
if ( empty( $pngjpg_savings ) || ! is_array( $pngjpg_savings ) ) {
return $savings;
}
foreach ( $pngjpg_savings as $size => $s_savings ) {
if ( empty( $s_savings ) ) {
continue;
}
$savings['size_before'] += $s_savings['size_before'];
$savings['size_after'] += $s_savings['size_after'];
}
$savings['bytes'] = $savings['size_before'] - $savings['size_after'];
return $savings;
}
/**
* Checks if file for given attachment id exists on s3, otherwise looks for local path.
*
* @param int $id File ID.
* @param string $file_path Path.
*
* @return bool
*/
public static function file_exists( $id, $file_path ) {
// If not attachment id is given return false.
if ( empty( $id ) ) {
return false;
}
// Get file path, if not provided.
if ( empty( $file_path ) ) {
$file_path = self::get_attached_file( $id );
}
$s3 = WP_Smush::get_instance()->core()->s3;
// If S3 is enabled.
if ( is_object( $s3 ) && method_exists( $s3, 'is_image_on_s3' ) && $s3->is_image_on_s3( $id ) ) {
$file_exists = true;
} else {
$file_exists = file_exists( $file_path );
}
return $file_exists;
}
/**
* Get the link to the media library page for the image.
*
* @since 2.9.0
*
* @param int $id Image ID.
* @param string $name Image file name.
* @param bool $src Return only src. Default - return link.
*
* @return string
*/
public static function get_image_media_link( $id, $name, $src = false ) {
$mode = get_user_option( 'media_library_mode' );
if ( 'grid' === $mode ) {
$link = admin_url( "upload.php?item={$id}" );
} else {
$link = admin_url( "post.php?post={$id}&action=edit" );
}
if ( ! $src ) {
return "<a href='{$link}'>{$name}</a>";
}
return $link;
}
/**
* Returns current user name to be displayed
*
* @return string
*/
public static function get_user_name() {
$current_user = wp_get_current_user();
return ! empty( $current_user->first_name ) ? $current_user->first_name : $current_user->display_name;
}
/**
* Allows to filter the error message sent to the user
*
* @param string $error Error message.
* @param string $attachment_id Attachment ID.
*
* @return mixed|null|string
*/
public static function filter_error( $error = '', $attachment_id = '' ) {
if ( empty( $error ) ) {
return null;
}
/**
* Replace the 500 server error with a more appropriate error message.
*/
if ( false !== strpos( $error, '500 Internal Server Error' ) ) {
$error = __( "Couldn't process image due to bad headers. Try re-saving the image in an image editor, then upload it again.", 'wp-smushit' );
}
/**
* Used internally to modify the error message
*/
$error = apply_filters( 'wp_smush_error', $error, $attachment_id );
return $error;
}
/**
* Format metadata from $_POST request.
*
* Post request in WordPress will convert all values
* to string. Make sure image height and width are int.
* This is required only when Async requests are used.
* See - https://wordpress.org/support/topic/smushit-overwrites-image-meta-crop-sizes-as-string-instead-of-int/
*
* @since 2.8.0
*
* @param array $meta Metadata of attachment.
*
* @return array
*/
public static function format_meta_from_post( $meta = array() ) {
// Do not continue in case meta is empty.
if ( empty( $meta ) ) {
return $meta;
}
// If metadata is array proceed.
if ( is_array( $meta ) ) {
// Walk through each items and format.
array_walk_recursive( $meta, array( 'self', 'format_attachment_meta_item' ) );
}
return $meta;
}
/**
* If current item is width or height, make sure it is int.
*
* @since 2.8.0
*
* @param mixed $value Meta item value.
* @param string $key Meta item key.
*/
public static function format_attachment_meta_item( &$value, $key ) {
if ( 'height' === $key || 'width' === $key ) {
$value = (int) $value;
}
/**
* Allows to format single item in meta.
*
* This filter will be used only for Async, post requests.
*
* @param mixed $value Meta item value.
* @param string $key Meta item key.
*/
$value = apply_filters( 'wp_smush_format_attachment_meta_item', $value, $key );
}
/**
* Check to see if file is animated.
*
* @since 3.0 Moved from class-resize.php
*
* @param string $file_path Image file path.
* @param int $id Attachment ID.
*/
public static function check_animated_status( $file_path, $id ) {
// Only do this for GIFs.
if ( 'image/gif' !== get_post_mime_type( $id ) || ! isset( $file_path ) ) {
return;
}
$filecontents = file_get_contents( $file_path );
$str_loc = 0;
$count = 0;
// There is no point in continuing after we find a 2nd frame.
while ( $count < 2 ) {
$where1 = strpos( $filecontents, "\x00\x21\xF9\x04", $str_loc );
if ( false === $where1 ) {
break;
} else {
$str_loc = $where1 + 1;
$where2 = strpos( $filecontents, "\x00\x2C", $str_loc );
if ( false === $where2 ) {
break;
} else {
if ( $where2 === $where1 + 8 ) {
$count++;
}
$str_loc = $where2 + 1;
}
}
}
if ( $count > 1 ) {
update_post_meta( $id, WP_SMUSH_PREFIX . 'animated', true );
}
}
/**
* Original File path
*
* @param string $original_file Original file.
*
* @return string File Path
*/
public static function original_file( $original_file = '' ) {
$uploads = wp_get_upload_dir();
$upload_path = $uploads['basedir'];
return path_join( $upload_path, $original_file );
}
}