mothers /wordpress3.4.2/wp-content/plugins/wp-multibyte-patch/wp-multibyte-patch.php

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<?php
/*
Plugin Name: WP Multibyte Patch
Description: Multibyte functionality enhancement for the WordPress Japanese package.
Version: 1.6.3
Plugin URI: http://eastcoder.com/code/wp-multibyte-patch/
Author: Seisuke Kuraishi
Author URI: http://tinybit.co.jp/
License: GPLv2
Text Domain: wp-multibyte-patch
Domain Path: /languages
*/

/**
 * Multibyte functionality enhancement for the WordPress Japanese package.
 *
 * @package WP_Multibyte_Patch
 * @version 1.6.3
 * @author Seisuke Kuraishi <210pura@gmail.com>
 * @copyright Copyright (c) 2012 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.
	var $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_word_count_js' => true,
		'patch_force_character_count' => false,
		'patch_force_twentytwelve_open_sans_off' => false,
		'patch_sanitize_file_name' => true,
		'patch_bp_create_excerpt' => false,
		'bp_excerpt_mblength' => 110,
		'bp_excerpt_more' => ' [...]'
	);

	var $blog_encoding = 'UTF-8';
	var $has_mbfunctions = false;
	var $mbfunctions_required = false;
	var $has_mb_strlen = false;
	var $debug_suffix = '';
	var $textdomain = 'wp-multibyte-patch';
	var $lang_dir = 'languages';
	var $required_version = '3.4-RC2';
	var $query_based_vars = array();

	// For fallback purpose only. (1.6)
	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)
	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);
	}

	function incoming_trackback($commentdata) {
		global $wpdb;

		if('trackback' != $commentdata['comment_type'])
			return $commentdata;

		if(false === $this->conf['patch_incoming_trackback'])
			return $commentdata;

		$title = isset($_POST['title']) ? stripslashes($_POST['title']) : '';
		$excerpt = isset($_POST['excerpt']) ? stripslashes($_POST['excerpt']) : '';
		$blog_name = isset($_POST['blog_name']) ? stripslashes($_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'] = $wpdb->escape($blog_name);
		$commentdata['comment_content'] = $wpdb->escape("<strong>$title</strong>\n\n$excerpt");

		return $commentdata;
	}

	function pre_remote_source($linea, $pagelinkedto) {
		$this->pingback_ping_linea = $linea;
		$this->pingback_ping_pagelinkedto = $pagelinkedto;
		return $linea;
	}

	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;
		$linea = $this->pingback_ping_linea;

		$linea = preg_replace("/" . preg_quote('<!DOC', '/') . "/i", '<DOC', $linea);
		$linea = preg_replace("/[\r\n\t ]+/", ' ', $linea);
		$linea = preg_replace("/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/i", "\n\n", $linea);

		preg_match("/<meta[^<>]+charset=\"*([a-zA-Z0-9\-_]+)\"*[^<>]*>/i", $linea, $matches);
		$charset = isset($matches[1]) ? $matches[1] : '';
		$from_encoding = $this->guess_encoding(strip_tags($linea), $charset);
		$blog_encoding = $this->blog_encoding;

		$linea = strip_tags($linea, '<a>');
		$linea = $this->convenc($linea, $blog_encoding, $from_encoding);
		$p = explode("\n\n", $linea);

		foreach ($p as $para) {
			if(strpos($para, $pagelinkedto) !== false && preg_match("/^([^<>]*)(\<a[^<>]+[\"']" . preg_quote($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) . ' [...]';
		$commentdata['comment_content'] = addslashes($commentdata['comment_content']);
		$commentdata['comment_author'] = stripslashes($commentdata['comment_author']);
		$commentdata['comment_author'] = $this->convenc($commentdata['comment_author'], $blog_encoding, $from_encoding);
		$commentdata['comment_author'] = addslashes($commentdata['comment_author']);

		return $commentdata;
	}

	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;
	}

	function trim_multibyte_excerpt($text = '', $length = 110, $more = ' [...]', $encoding = 'UTF-8') {
		$text = strip_shortcodes($text);
		$text = str_replace(']]>', ']]&gt;', $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;
	}

	function bp_create_excerpt($text = '') {
		return $this->trim_multibyte_excerpt($text, $this->conf['bp_excerpt_mblength'], $this->conf['bp_excerpt_more'], $this->blog_encoding);
	}

	function bp_get_activity_content_body($content = '') {
		return preg_replace("/<a [^<>]+>([^<>]+)<\/a>(" . preg_quote($this->conf['bp_excerpt_more'], '/') . "<\/p>)$/", "$1$2", $content);
	}

	// param $excerpt could already be truncated to 20 words or less by the original get_comment_excerpt() function.
	function get_comment_excerpt($excerpt = '') {
		$excerpt = preg_replace("/\.\.\.$/", '', $excerpt);
		$blog_encoding = $this->blog_encoding;

		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;
	}

	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);
	}

	function excerpt_more() {
		if(isset($this->query_based_vars['excerpt_more']))
			return $this->query_based_vars['excerpt_more'];
		else
			return $this->conf['excerpt_more'];
	}

	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;
	}

	function wplink_js(&$scripts) {
		$scripts->add('wplink', plugin_dir_url(__FILE__) . "js/wplink{$this->debug_suffix}.js", array('jquery', 'wpdialogs'), false, 1 );
	}

	function word_count_js(&$scripts) {
		$scripts->add('word-count', plugin_dir_url(__FILE__) . "js/word-count{$this->debug_suffix}.js", array('jquery'),  false, 1);
	}

	function force_character_count($translations = '', $text = '', $context = '') {
		if('word count: words or characters?' == $context && 'words' == $text)
			return 'characters';
		return $translations;
	}

	function force_twentytwelve_open_sans_off() {
		wp_dequeue_style('twentytwelve-fonts');
	}

	function wp_dashboard_recent_drafts( $drafts = false ) {
		if ( !$drafts ) {
			$drafts_query = new WP_Query( array(
				'post_type' => 'post',
				'post_status' => 'draft',
				'author' => $GLOBALS['current_user']->ID,
				'posts_per_page' => 5,
				'orderby' => 'modified',
				'order' => 'DESC'
			) );
			$drafts =& $drafts_query->posts;
		}

		if ( $drafts && is_array( $drafts ) ) {
			$list = array();
			foreach ( $drafts as $draft ) {
				$url = get_edit_post_link( $draft->ID );
				$title = _draft_or_post_title( $draft->ID );
				$item = "<h4><a href='$url' title='" . sprintf( __( 'Edit &#8220;%s&#8221;' ), esc_attr( $title ) ) . "'>" . esc_html($title) . "</a> <abbr title='" . get_the_time(__('Y/m/d g:i:s A'), $draft) . "'>" . get_the_time( get_option( 'date_format' ), $draft ) . '</abbr></h4>';
				$item .= '<p>' . $this->trim_multibyte_excerpt($draft->post_content, $this->conf['dashboard_recent_drafts_mblength'], $more = '&hellip;', $this->blog_encoding) . '</p>';
				$list[] = $item;
			}
	?>
		<ul>
			<li><?php echo join( "</li>\n<li>", $list ); ?></li>
		</ul>
		<p class="textright"><a href="edit.php?post_status=draft" ><?php _e('View all'); ?></a></p>
	<?php
		} else {
			_e('There are no drafts at the moment');
		}
	}

	function dashboard_recent_drafts() {
		global $wp_meta_boxes;
		if(!empty($wp_meta_boxes['dashboard']['side']['core']['dashboard_recent_drafts']['callback']))
			$wp_meta_boxes['dashboard']['side']['core']['dashboard_recent_drafts']['callback'] = array($this, 'wp_dashboard_recent_drafts');
	}

	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.
	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);
	}

	function filters_after_setup_theme() {
		// add filter
		if(false !== $this->conf['patch_force_character_count'] && 'characters' != _x('words', 'word count: words or characters?'))
			add_filter('gettext_with_context', array($this, 'force_character_count'), 10, 3);
	}

	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'));

		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);

		if(false !== $this->conf['patch_word_count_js'])
			add_action('wp_default_scripts', array($this, 'word_count_js'), 9);

		if(false !== $this->conf['patch_dashboard_recent_drafts'])
			add_action('wp_dashboard_setup', array($this, 'dashboard_recent_drafts'));

		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('after_setup_theme', array($this, 'filters_after_setup_theme'), 99);
	}

	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;
	}

	function activation_check() {
		global $wp_version;
		$required_version = $this->required_version;

		if(version_compare(substr($wp_version, 0, strlen($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 <a href="http://www.php.net/manual/en/mbstring.installation.php" target="_blank">mbstring</a> functions.', 'wp-multibyte-patch'));
		}
	}

	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);
	}

	function __construct() {
		$this->load_conf();
		$this->blog_encoding = get_option('blog_charset');

		// mbstring functions are required for non UTF-8 blog.
		if(!preg_match("/^utf-?8$/i", $this->blog_encoding))
			$this->mbfunctions_required = true;

		$this->has_mbfunctions = $this->mbfunctions_exist();
		$this->has_mb_strlen = function_exists('mb_strlen');
		$this->debug_suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '.dev' : '';

		load_textdomain($this->textdomain, plugin_dir_path(__FILE__) . $this->lang_dir . '/' . $this->textdomain . '-' . get_locale() . '.mo');
		register_activation_hook(__FILE__, array($this, 'activation_check'));
		$this->filters();
	}
}

if(defined('WP_PLUGIN_URL')) {
	global $wpmp;

	if(file_exists(dirname(__FILE__) . '/ext/' . get_locale() . '/class.php')) {
		require_once(dirname(__FILE__) . '/ext/' . get_locale() . '/class.php');
		$wpmp = new multibyte_patch_ext();
	}
	elseif(file_exists(dirname(__FILE__) . '/ext/default/class.php')) {
		require_once(dirname(__FILE__) . '/ext/default/class.php');
		$wpmp = new multibyte_patch_ext();
	}
	else
		$wpmp = new multibyte_patch();
}

?>
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