* @copyright Copyright (c) 2016 Seisuke Kuraishi, Tinybit Inc.
* @license http://opensource.org/licenses/gpl-2.0.php GPLv2
* @link http://eastcoder.com/code/wp-multibyte-patch/
*/
/**
* @package WP_Multibyte_Patch
*/
class multibyte_patch {
// Do not edit this section. Use wpmp-config.php instead.
public $conf = array(
'excerpt_mblength' => 110,
'excerpt_more' => ' […]',
'comment_excerpt_mblength' => 40,
'dashboard_recent_drafts_mblength' => 40,
'patch_wp_mail' => false,
'patch_incoming_trackback' => false,
'patch_incoming_pingback' => false,
'patch_wp_trim_excerpt' => true,
'patch_wp_trim_words' => false,
'patch_get_comment_excerpt' => true,
'patch_dashboard_recent_drafts' => true,
'patch_process_search_terms' => false,
'patch_admin_custom_css' => false,
'patch_wplink_js' => true,
'patch_force_character_count' => false,
'patch_force_twentytwelve_open_sans_off' => false,
'patch_force_twentythirteen_google_fonts_off' => false,
'patch_force_twentyfourteen_google_fonts_off' => false,
'patch_force_twentyfifteen_google_fonts_off' => false,
'patch_force_twentysixteen_google_fonts_off' => false,
'patch_force_twentyseventeen_google_fonts_off' => false,
'patch_sanitize_file_name' => true,
'patch_sanitize_feed_xml_text' => false,
'patch_bp_create_excerpt' => false,
'bp_excerpt_mblength' => 110,
'bp_excerpt_more' => ' […]'
);
protected $blog_encoding = 'UTF-8';
protected $has_mbfunctions = false;
protected $mbfunctions_required = false;
protected $has_mb_strlen = false;
protected $debug_suffix = '';
protected $textdomain = 'wp-multibyte-patch';
protected $lang_dir = 'languages';
protected $required_version = '4.5';
protected $query_based_vars = array();
protected $has_pcre_utf8 = false;
// For fallback purpose only. (1.6)
public function guess_encoding( $string, $encoding = '' ) {
$blog_encoding = $this->blog_encoding;
if ( !$encoding && seems_utf8( $string ) )
return 'UTF-8';
elseif ( !$encoding )
return $blog_encoding;
else
return $encoding;
}
// For fallback purpose only. (1.6)
public function convenc( $string, $to_encoding, $from_encoding = '' ) {
$blog_encoding = $this->blog_encoding;
if ( '' == $from_encoding )
$from_encoding = $blog_encoding;
if ( strtoupper( $to_encoding ) == strtoupper( $from_encoding ) )
return $string;
else
return mb_convert_encoding( $string, $to_encoding, $from_encoding );
}
public function incoming_trackback( $commentdata ) {
if ( 'trackback' != $commentdata['comment_type'] )
return $commentdata;
if ( false === $this->conf['patch_incoming_trackback'] )
return $commentdata;
$title = isset( $_POST['title'] ) ? wp_unslash( $_POST['title'] ) : '';
$excerpt = isset( $_POST['excerpt'] ) ? wp_unslash( $_POST['excerpt'] ) : '';
$blog_name = isset( $_POST['blog_name'] ) ? wp_unslash( $_POST['blog_name'] ) : '';
$blog_encoding = $this->blog_encoding;
$from_encoding = isset( $_POST['charset'] ) ? $_POST['charset'] : '';
if ( !$from_encoding )
$from_encoding = ( preg_match( "/^.*charset=([a-zA-Z0-9\-_]+).*$/i", $_SERVER['CONTENT_TYPE'], $matched ) ) ? $matched[1] : '';
$from_encoding = str_replace( array( ',', ' ' ), '', strtoupper( trim( $from_encoding ) ) );
$from_encoding = $this->guess_encoding( $excerpt . $title . $blog_name, $from_encoding );
$title = $this->convenc( $title, $blog_encoding, $from_encoding );
$blog_name = $this->convenc( $blog_name, $blog_encoding, $from_encoding );
$excerpt = $this->convenc( $excerpt, $blog_encoding, $from_encoding );
$title = strip_tags( $title );
$excerpt = strip_tags( $excerpt );
$title = ( strlen( $title ) > 250 ) ? mb_strcut( $title, 0, 250, $blog_encoding ) . '…' : $title;
$excerpt = ( strlen( $excerpt ) > 255 ) ? mb_strcut( $excerpt, 0, 252, $blog_encoding ) . '…' : $excerpt;
$commentdata['comment_author'] = wp_slash( $blog_name );
$commentdata['comment_content'] = wp_slash( "$title\n\n$excerpt" );
return $commentdata;
}
public function pre_remote_source( $remote_source, $pagelinkedto ) {
$this->pingback_ping_remote_source = $remote_source;
$this->pingback_ping_pagelinkedto = $pagelinkedto;
return $remote_source;
}
public function incoming_pingback( $commentdata ) {
if ( 'pingback' != $commentdata['comment_type'] )
return $commentdata;
if ( false === $this->conf['patch_incoming_pingback'] )
return $commentdata;
$pagelinkedto = $this->pingback_ping_pagelinkedto;
$remote_source = $this->pingback_ping_remote_source;
$remote_source = preg_replace( "/" . preg_quote( ']*>/i", "\n\n", $remote_source );
preg_match( '|([^<]*?)|is', $remote_source, $matchtitle );
$title = isset( $matchtitle[1] ) ? $matchtitle[1] : '';
preg_match( "/]+charset=\"*([a-zA-Z0-9\-_]+)\"*[^<>]*>/i", $remote_source, $matches );
$charset = isset( $matches[1] ) ? $matches[1] : '';
$from_encoding = $this->guess_encoding( strip_tags( $remote_source ), $charset );
$blog_encoding = $this->blog_encoding;
$remote_source = strip_tags( $remote_source, '' );
$remote_source = $this->convenc( $remote_source, $blog_encoding, $from_encoding );
$p = explode( "\n\n", $remote_source );
foreach ( $p as $para ) {
if ( strpos( $para, $pagelinkedto ) !== false && preg_match( "/^([^<>]*)(\]+[\"']" . preg_quote( $pagelinkedto, '/' ) . "[\"'][^<>]*\>)([^<>]+)(\<\/a\>)(.*)$/i", $para, $context ) )
break;
}
if ( !$context )
return $commentdata;
$context[1] = strip_tags( $context[1] );
$context[5] = strip_tags( $context[5] );
$len_max = 250;
$len_c3 = strlen( $context[3] );
if ( $len_c3 > $len_max ) {
$excerpt = mb_strcut( $context[3], 0, 250, $blog_encoding );
} else {
$len_c1 = strlen( $context[1] );
$len_c5 = strlen( $context[5] );
$len_left = $len_max - $len_c3;
$len_left_even = ceil( $len_left / 2 );
if ( $len_left_even > $len_c1 ) {
$context[5] = mb_strcut( $context[5], 0, $len_left - $len_c1, $blog_encoding );
}
elseif ( $len_left_even > $len_c5 ) {
$context[1] .= "\t\t\t\t\t\t";
$context[1] = mb_strcut( $context[1], $len_c1 - ( $len_left - $len_c5 ), $len_c1 + 6, $blog_encoding );
$context[1] = preg_replace( "/\t*$/", '', $context[1] );
}
else {
$context[1] .= "\t\t\t\t\t\t";
$context[1] = mb_strcut( $context[1], $len_c1 - $len_left_even, $len_c1 + 6, $blog_encoding );
$context[1] = preg_replace( "/\t*$/", '', $context[1] );
$context[5] = mb_strcut( $context[5], 0, $len_left_even, $blog_encoding );
}
$excerpt = $context[1] . $context[3] . $context[5];
}
$commentdata['comment_content'] = '[…] ' . esc_html( $excerpt ) . ' […]';
$commentdata['comment_content'] = wp_slash( $commentdata['comment_content'] );
$commentdata['comment_author'] = $this->convenc( $title, $blog_encoding, $from_encoding );
$commentdata['comment_author'] = wp_slash( $commentdata['comment_author'] );
return $commentdata;
}
public function preprocess_comment( $commentdata ) {
if ( $commentdata['comment_type'] == 'trackback' )
return $this->incoming_trackback( $commentdata );
elseif ( $commentdata['comment_type'] == 'pingback' )
return $this->incoming_pingback( $commentdata );
else
return $commentdata;
}
public function trim_multibyte_excerpt( $text = '', $length = 110, $more = ' […]', $encoding = 'UTF-8' ) {
$text = strip_shortcodes( $text );
$text = str_replace( ']]>', ']]>', $text );
$text = strip_tags( $text );
$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' );
if ( $this->mb_strlen( $text, $encoding ) > $length )
$text = mb_substr( $text, 0, $length, $encoding ) . $more;
return $text;
}
public function bp_create_excerpt( $text = '' ) {
return $this->trim_multibyte_excerpt( $text, $this->conf['bp_excerpt_mblength'], $this->conf['bp_excerpt_more'], $this->blog_encoding );
}
public function bp_get_activity_content_body( $content = '' ) {
return preg_replace( "/]+>([^<>]+)<\/a>(" . preg_quote( $this->conf['bp_excerpt_more'], '/' ) . "<\/p>)$/", "$1$2", $content );
}
public function get_comment_excerpt( $excerpt = '', $comment_ID = 0, $comment = '' ) {
$blog_encoding = $this->blog_encoding;
$excerpt = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
if ( $this->mb_strlen( $excerpt, $blog_encoding ) > $this->conf['comment_excerpt_mblength'] )
$excerpt = mb_substr( $excerpt, 0, $this->conf['comment_excerpt_mblength'], $blog_encoding ) . '…';
return $excerpt;
}
public function excerpt_mblength() {
if ( isset( $this->query_based_vars['excerpt_mblength'] ) && (int) $this->query_based_vars['excerpt_mblength'] )
$length = (int) $this->query_based_vars['excerpt_mblength'];
else
$length = (int) $this->conf['excerpt_mblength'];
return apply_filters( 'excerpt_mblength', $length );
}
public function excerpt_more() {
if ( isset( $this->query_based_vars['excerpt_more'] ) )
return $this->query_based_vars['excerpt_more'];
else
return $this->conf['excerpt_more'];
}
public function sanitize_file_name( $name ) {
$info = pathinfo( $name );
$ext = !empty( $info['extension'] ) ? '.' . $info['extension'] : '';
$name = str_replace( $ext, '', $name );
$name_enc = rawurlencode( $name );
$name = ( $name == $name_enc ) ? $name . $ext : md5( $name ) . $ext;
return $name;
}
public function wplink_js( &$scripts ) {
global $pagenow;
$file = dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) . "/wp-includes/js/wplink{$this->debug_suffix}.js";
if( ! is_admin() || ! isset( $pagenow ) || ! in_array( $pagenow, array( 'post.php', 'post-new.php' ) ) || ! is_file( $file ) )
return;
$debug_qs = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '?sd=1' : '';
$scripts->add( 'wplink', plugin_dir_url( __FILE__ ) . "wplink.php{$debug_qs}", array( 'jquery', 'wp-a11y' ), false, 1 );
}
public function force_character_count( $translations = '', $text = '', $context = '' ) {
if ( 'word count: words or characters?' == $context && 'words' == $text )
return 'characters';
if ( 'Word count type. Do not translate!' == $context && 'words' == $text )
return 'characters_including_spaces';
return $translations;
}
public function force_twentytwelve_open_sans_off() {
wp_dequeue_style( 'twentytwelve-fonts' );
}
public function force_twentythirteen_google_fonts_off() {
wp_dequeue_style( 'twentythirteen-fonts' );
}
public function force_twentyfourteen_google_fonts_off() {
wp_dequeue_style( 'twentyfourteen-lato' );
}
public function force_twentyfifteen_google_fonts_off() {
wp_dequeue_style( 'twentyfifteen-fonts' );
}
public function force_twentysixteen_google_fonts_off() {
wp_dequeue_style( 'twentysixteen-fonts' );
}
public function force_twentyseventeen_google_fonts_off() {
wp_dequeue_style( 'twentyseventeen-fonts' );
}
public function remove_editor_style( $file = '' ) {
global $editor_styles;
if ( ! is_admin() || empty( $editor_styles ) || ! is_array( $editor_styles ) )
return;
foreach ( $editor_styles as $key => $value ) {
if( $file === $value )
unset( $editor_styles[$key] );
}
}
public function sanitize_xml_text( $text, $replace = '' ) {
if ( 'UTF-8' !== $this->blog_encoding || ! $this->has_pcre_utf8 )
return $text;
if ( $this->has_mbfunctions )
$text = @mb_convert_encoding( $text, 'UTF-8', 'UTF-8' );
elseif ( function_exists( 'iconv' ) )
$text = @iconv( 'UTF-8', 'UTF-8', $text );
return @preg_replace( '/[^\x9\xA\xD\x20-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]+/u', $replace, $text );
}
public function query_based_settings() {
$is_query_funcs = array( 'is_feed', 'is_404', 'is_search', 'is_tax', 'is_front_page', 'is_home', 'is_attachment', 'is_single', 'is_page', 'is_category', 'is_tag', 'is_author', 'is_date', 'is_archive', 'is_paged' );
foreach ( $is_query_funcs as $func ) {
if ( isset( $this->conf['excerpt_mblength.' . $func] ) && !isset( $this->query_based_vars['excerpt_mblength'] ) && $func() )
$this->query_based_vars['excerpt_mblength'] = $this->conf['excerpt_mblength.' . $func];
if ( isset( $this->conf['excerpt_more.' . $func] ) && !isset( $this->query_based_vars['excerpt_more'] ) && $func() )
$this->query_based_vars['excerpt_more'] = $this->conf['excerpt_more.' . $func];
}
}
// The fallback only works with UTF-8 blog.
public function mb_strlen( $str = '', $encoding = 'UTF-8' ) {
if ( $this->has_mb_strlen )
return mb_strlen( $str, $encoding );
else
return preg_match_all( "/./us", $str, $match );
}
public function is_wp_required_version( $required_version ) {
global $wp_version;
return version_compare( $wp_version, $required_version, '<' ) ? false : true;
}
public function filters_after_template_redirect() {
if ( is_feed() ) {
if ( false !== $this->conf['patch_sanitize_feed_xml_text'] ) {
add_filter( 'the_title_rss', array( $this, 'sanitize_xml_text' ), 99 );
add_filter( 'the_content_feed', array( $this, 'sanitize_xml_text' ), 99 );
add_filter( 'the_excerpt_rss', array( $this, 'sanitize_xml_text' ), 99 );
add_filter( 'comment_text_rss', array( $this, 'sanitize_xml_text' ), 99 );
add_filter( 'comment_text', array( $this, 'sanitize_xml_text' ), 99 );
}
}
}
public function filters_after_setup_theme() {
// add filter
if ( false !== $this->conf['patch_force_character_count']) {
if ( 'characters_including_spaces' != _x( 'words', 'Word count type. Do not translate!' ) )
add_filter( 'gettext_with_context', array( $this, 'force_character_count' ), 10, 3 );
}
if ( false !== $this->conf['patch_force_twentytwelve_open_sans_off'] && 'twentytwelve' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentytwelve_open_sans_off' ), 99 );
add_action( 'admin_print_styles-appearance_page_custom-header', array( $this, 'force_twentytwelve_open_sans_off' ), 99 );
}
if ( false !== $this->conf['patch_force_twentythirteen_google_fonts_off'] && 'twentythirteen' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentythirteen_google_fonts_off' ), 99 );
add_action( 'admin_print_styles-appearance_page_custom-header', array( $this, 'force_twentythirteen_google_fonts_off' ), 99 );
}
if ( false !== $this->conf['patch_force_twentyfourteen_google_fonts_off'] && 'twentyfourteen' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentyfourteen_google_fonts_off' ), 99 );
add_action( 'admin_print_scripts-appearance_page_custom-header', array( $this, 'force_twentyfourteen_google_fonts_off' ), 99 );
}
if ( false !== $this->conf['patch_force_twentyfifteen_google_fonts_off'] && 'twentyfifteen' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentyfifteen_google_fonts_off' ), 99 );
if ( function_exists( 'twentyfifteen_fonts_url' ) )
$this->remove_editor_style( twentyfifteen_fonts_url() );
}
if ( false !== $this->conf['patch_force_twentysixteen_google_fonts_off'] && 'twentysixteen' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentysixteen_google_fonts_off' ), 99 );
if ( function_exists( 'twentysixteen_fonts_url' ) )
$this->remove_editor_style( twentysixteen_fonts_url() );
}
if ( false !== $this->conf['patch_force_twentyseventeen_google_fonts_off'] && 'twentyseventeen' == get_template() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'force_twentyseventeen_google_fonts_off' ), 99 );
if ( function_exists( 'twentyseventeen_fonts_url' ) )
$this->remove_editor_style( twentyseventeen_fonts_url() );
}
}
public function filters() {
// add filter
add_filter( 'preprocess_comment', array( $this, 'preprocess_comment' ), 99 );
if ( false !== $this->conf['patch_incoming_pingback'] )
add_filter( 'pre_remote_source', array( $this, 'pre_remote_source' ), 10, 2 );
if ( false !== $this->conf['patch_wp_trim_excerpt'] ) {
add_filter( 'excerpt_length', array( $this, 'excerpt_mblength' ), 99 );
add_filter( 'excerpt_more', array( $this, 'excerpt_more' ), 9 );
}
if ( false !== $this->conf['patch_get_comment_excerpt'] )
add_filter( 'get_comment_excerpt', array( $this, 'get_comment_excerpt' ), 10, 3 );
if ( false !== $this->conf['patch_sanitize_file_name'] )
add_filter( 'sanitize_file_name', array( $this, 'sanitize_file_name' ) );
if ( false !== $this->conf['patch_bp_create_excerpt'] ) {
add_filter( 'bp_create_excerpt', array( $this, 'bp_create_excerpt' ), 99 );
add_filter( 'bp_get_activity_content_body', array( $this, 'bp_get_activity_content_body' ), 99 );
}
if ( method_exists( $this, 'wp_trim_words' ) && false !== $this->conf['patch_wp_trim_words'] )
add_filter( 'wp_trim_words', array( $this, 'wp_trim_words' ), 99, 4 );
// add action
add_action( 'wp', array( $this, 'query_based_settings' ) );
if ( method_exists( $this, 'process_search_terms' ) && false !== $this->conf['patch_process_search_terms'] )
add_action( 'sanitize_comment_cookies', array( $this, 'process_search_terms' ) );
if ( method_exists( $this, 'wp_mail' ) && false !== $this->conf['patch_wp_mail'] )
add_action( 'phpmailer_init', array( $this, 'wp_mail' ) );
if ( method_exists( $this, 'admin_custom_css' ) && false !== $this->conf['patch_admin_custom_css'] ) {
add_action( 'admin_enqueue_scripts', array( $this, 'admin_custom_css' ), 99 );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'admin_custom_css' ), 99 );
}
if ( false !== $this->conf['patch_wplink_js'] )
add_action( 'wp_default_scripts', array( $this, 'wplink_js' ), 9 );
add_action( 'after_setup_theme', array( $this, 'filters_after_setup_theme' ), 99 );
add_action( 'template_redirect', array( $this, 'filters_after_template_redirect' ) );
}
public function mbfunctions_exist() {
return (
function_exists( 'mb_convert_encoding' ) &&
function_exists( 'mb_convert_kana' ) &&
function_exists( 'mb_detect_encoding' ) &&
function_exists( 'mb_strcut' ) &&
function_exists( 'mb_strlen' )
) ? true : false;
}
public function activation_check() {
$required_version = $this->required_version;
if ( !$this->is_wp_required_version( $required_version ) ) {
deactivate_plugins( __FILE__ );
exit( sprintf( __( 'Sorry, WP Multibyte Patch requires WordPress %s or later.', 'wp-multibyte-patch' ), $required_version ) );
}
elseif ( !$this->has_mbfunctions && $this->mbfunctions_required ) {
deactivate_plugins( __FILE__ );
exit( __( 'Sorry, WP Multibyte Patch requires mbstring functions.', 'wp-multibyte-patch' ) );
}
}
public function load_conf() {
$wpmp_conf = array();
if ( file_exists( WP_CONTENT_DIR . '/wpmp-config.php' ) )
require_once WP_CONTENT_DIR . '/wpmp-config.php';
if ( is_multisite() ) {
$blog_id = get_current_blog_id();
if ( file_exists( WP_CONTENT_DIR . '/wpmp-config-blog-' . $blog_id . '.php' ) )
require_once WP_CONTENT_DIR . '/wpmp-config-blog-' . $blog_id . '.php';
}
$this->conf = array_merge( $this->conf, $wpmp_conf );
}
public function __construct() {
$this->load_conf();
$this->blog_encoding = get_option( 'blog_charset' );
if ( preg_match( '/^utf-?8$/i', $this->blog_encoding ) || empty( $this->blog_encoding ) )
$this->blog_encoding = 'UTF-8';
// mbstring functions are required for non UTF-8 blog.
if ( 'UTF-8' !== $this->blog_encoding )
$this->mbfunctions_required = true;
$this->has_mbfunctions = $this->mbfunctions_exist();
$this->has_mb_strlen = function_exists( 'mb_strlen' );
$this->has_pcre_utf8 = @preg_match( '/^.$/u', "\xC2\xA9" );
$this->debug_suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
load_plugin_textdomain( $this->textdomain, false, dirname( plugin_basename( __FILE__ ) ) . '/' . $this->lang_dir );
register_activation_hook( __FILE__, array( $this, 'activation_check' ) );
$this->filters();
}
}
if ( defined( 'WP_PLUGIN_URL' ) ) {
if ( file_exists( dirname( __FILE__ ) . '/ext/' . get_locale() . '/class.php' ) ) {
require_once dirname( __FILE__ ) . '/ext/' . get_locale() . '/class.php';
$GLOBALS['wpmp'] = new multibyte_patch_ext();
}
elseif ( file_exists( dirname( __FILE__ ) . '/ext/default/class.php' ) ) {
require_once dirname( __FILE__ ) . '/ext/default/class.php';
$GLOBALS['wpmp'] = new multibyte_patch_ext();
}
else
$GLOBALS['wpmp'] = new multibyte_patch();
}