PATH: var / www / clients / client1 / web1 / web / wp-content / plugins / admin-site-enhancements / classes

<?php

namespace ASENHA\Classes;

/**
 * Class for SVG Upload module
 *
 * @since 6.9.5
 */
class SVG_Upload {

/**
     * Add SVG mime type for media library uploads
     *
     * @link https://developer.wordpress.org/reference/hooks/upload_mimes/
     * @since 2.6.0
     */
    public function add_svg_mime( $mimes ) {

global $roles_svg_upload_enabled;

$current_user = wp_get_current_user();
        $current_user_roles = (array) $current_user->roles; // single dimensional array of role slugs

if ( count( $roles_svg_upload_enabled ) > 0 ) {

// Add mime type for user roles set to enable SVG upload
            foreach ( $current_user_roles as $role ) {
                if ( in_array( $role, $roles_svg_upload_enabled ) ) {
                    $mimes['svg'] = 'image/svg+xml';
                }
            }

}

return $mimes;

}

/**
     * Check and confirm if the real file type is indeed SVG
     *
     * @link https://developer.wordpress.org/reference/functions/wp_check_filetype_and_ext/
     * @since 2.6.0
     */
    public function confirm_file_type_is_svg( $filetypes_extensions, $file, $filename, $mimes ) {

global $roles_svg_upload_enabled;

$current_user = wp_get_current_user();
        $current_user_roles = (array) $current_user->roles; // single dimensional array of role slugs

if ( count( $roles_svg_upload_enabled ) > 0 ) {

// Check file extension
            if ( substr( $filename, -4 ) == '.svg' ) {

// Add mime type for user roles set to enable SVG upload
                foreach ( $current_user_roles as $role ) {
                    if ( in_array( $role, $roles_svg_upload_enabled ) ) {
                        $filetypes_extensions['type'] = 'image/svg+xml';
                        $filetypes_extensions['ext'] = 'svg';
                    }
                }

}

return $filetypes_extensions;

}

/** 
     * Sanitize the SVG file and maybe allow upload based on the result
     *
     * @since 2.6.0
     */
    public function sanitize_and_maybe_allow_svg_upload( $file ) {        
        if ( ! isset( $file['tmp_name'] ) ) {
            return $file;
        }

$file_tmp_name = $file['tmp_name']; // full path
        $file_name = isset( $file['name'] ) ? $file['name'] : '';
        $file_type_ext = wp_check_filetype_and_ext( $file_tmp_name, $file_name );
        $file_type = ! empty( $file_type_ext['type'] ) ? $file_type_ext['type'] : '';

if ( 'image/svg+xml' === $file_type ) {
            $original_svg = file_get_contents( $file_tmp_name );

$sanitizer = $this->get_svg_sanitizer();
            $sanitized_svg = $sanitizer->sanitize( $original_svg ); // boolean

if ( false === $sanitized_svg ) {

$file['error'] = 'This SVG file could not be sanitized, so, was not uploaded for security reasons.';

}

file_put_contents( $file_tmp_name, $sanitized_svg );
        }

return $file;
    }
    
    /**
     * Sanitize SVG upload via xmlrpc.php
     * 
     * @link https://developer.wordpress.org/reference/hooks/xmlrpc_prepare_media_item/
     * @since 7.9.8
     */
    public function sanitize_xmlrpc_svg_upload( $_media_item, $media_item ) {
        if ( is_object( $media_item ) ) {
            if ( property_exists( $media_item, 'ID' ) ) {
                $file_path = get_attached_file( $media_item->ID );
                $original_svg = file_get_contents( $file_path );

$sanitizer = $this->get_svg_sanitizer();                
                $sanitized_svg = $sanitizer->sanitize( $original_svg ); // boolean

if ( false !== $sanitized_svg ) {
                    // Sanitization was a success, let's write the result back to the file
                    file_put_contents( $file_path, $sanitized_svg );
                }
            }
        }

return $_media_item;
    }
    
    /**
     * Sanitize a file after it is added to the media library, e.g. via REST API POST request
     * 
     * @since 7.5.2
     */
    public function sanitize_after_upload( $attachment, $request, $creating ) {
        // Let's sanitize SVG upon creation/insertion in the media library.
        if ( $creating ) {
            if ( $attachment instanceof WP_Post ) {
                $file_path = get_attached_file( $attachment->ID );
                $original_svg = file_get_contents( $file_path );

$sanitizer = $this->get_svg_sanitizer();                
                $sanitized_svg = $sanitizer->sanitize( $original_svg ); // boolean
                
                if ( false !== $sanitized_svg ) {
                    // Sanitization was a success, let's write the result back to the file
                    file_put_contents( $file_path, $sanitized_svg );
                }
            }
        }
    }
    
    /**
     * Get sanitizer object
     * 
     * @since 7.5.2
     */
    public function get_svg_sanitizer() {
        if ( ! class_exists( '\enshrined\svgSanitize\Sanitizer' ) ) {
            // Load sanitizer library - https://github.com/darylldoyle/svg-sanitizer
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/data/AttributeInterface.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/data/TagInterface.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/data/AllowedAttributes.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/data/AllowedTags.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/data/XPath.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/ElementReference/Resolver.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/ElementReference/Subject.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/ElementReference/Usage.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/Exceptions/NestingException.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/Helper.php';
            require_once ASENHA_PATH . 'vendor/enshrined/svg-sanitize/src/Sanitizer.php';
        }

// $sanitizer = new Sanitizer();
        $sanitizer = new \enshrined\svgSanitize\Sanitizer();
        
        return $sanitizer;        
    }

/**
     * Generate metadata for the svg attachment
     *
     * @link https://developer.wordpress.org/reference/functions/wp_generate_attachment_metadata/
     * @since 2.6.0
     */
    public function generate_svg_metadata( $metadata, $attachment_id, $context ) {

if ( get_post_mime_type( $attachment_id ) == 'image/svg+xml' ) {

// Get SVG dimensions
            $svg_path = get_attached_file( $attachment_id );
            $svg = simplexml_load_file( $svg_path );
            $width = 0;
            $height = 0;

if ( $svg ) {

$attributes = $svg->attributes();
                if ( isset( $attributes->width, $attributes->height ) ) {
                    $width = intval( floatval( $attributes->width ) );
                    $height = intval( floatval( $attributes->height ) );
                } elseif ( isset( $attributes->viewBox ) ) {
                    $sizes = explode( ' ', $attributes->viewBox );
                    if ( isset( $sizes[2], $sizes[3] ) ) {
                        $width = intval( floatval( $sizes[2] ) );
                        $height = intval( floatval( $sizes[3] ) );
                    }
                }

}

$metadata['width'] = $width;
            $metadata['height'] = $height;

// Get SVG filename
            $svg_url = wp_get_original_image_url( $attachment_id );
            $svg_url_path = str_replace( wp_upload_dir()['baseurl'] .'/' , '', $svg_url );
            $metadata['file'] = $svg_url_path;

}

return $metadata;

}

/**
     * Remove responsive image attributes, i.e. srcset attributes, from SVG images HTML
     * This helps ensure SVGs are displayed properly on the frontend
     * 
     * @link https://plugins.trac.wordpress.org/browser/svg-support/tags/2.5.7/functions/attachment.php#L282
     * @since 7.3.0
     */
    public function disable_svg_srcset( $sources ) {
        $first_element = reset( $sources );

if ( isset( $first_element ) && ! empty( $first_element['url'] ) ) {
            $extension = pathinfo( reset($sources)['url'], PATHINFO_EXTENSION );

if ( 'svg' === $extension ) {
                $sources = array(); // return empty array
                return $sources;
            } else {
                return $sources;
            }
        } else {
            return $sources;
        }
    }
        
    /**
     * Remove responsive image attributes, i.e. srcset attributes, from SVG images HTML
     * This helps ensure SVGs are displayed properly on the frontend
     * 
     * @link https://gist.github.com/ericvalois/5b1e161c127632a1ace7d65ce1363e69
     * @since 7.3.0
     */
    public function remove_svg_responsive_image_attr( string $sizes, $size, $image_src = null ) {
        $explode = explode( '.', $image_src );
        $extension = end( $explode );
        
        if( 'svg' === $extension ){
            $sizes = '';
        }

return $sizes;
    }

/**
     * Return svg file URL to show preview in media library
     *
     * @link https://developer.wordpress.org/reference/hooks/wp_ajax_action/
     * @link https://developer.wordpress.org/reference/functions/wp_get_attachment_url/
     * @since 2.6.0
     */
    public function get_svg_attachment_url() {

$attachment_url = '';
        $attachment_id = isset( $_REQUEST['attachmentID'] ) ? $_REQUEST['attachmentID'] : '';

// Check response mime type
        if ( $attachment_id ) {

echo esc_url( wp_get_attachment_url( $attachment_id ) );

die();

}

/**
     * Return svg file URL to show preview in media library
     *
     * @link https://developer.wordpress.org/reference/functions/wp_prepare_attachment_for_js/
     * @since 2.6.0
     */
    public function get_svg_url_in_media_library( $response ) {

// Check response mime type
        if ( $response['mime'] === 'image/svg+xml' ) {

$response['image'] = array(
                'src'   => $response['url'],
            );

}

return $response;

}
        
}

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8:18 AM 12/29/2025 Vim Patior

Vim Patior

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