wp-multibyte-patch
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ext
14 years ago
languages
14 years ago
readme.txt
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wp-multibyte-patch.php
14 years ago
wpmp-config-sample.php
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wpmp-load.php
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wp-multibyte-patch.php
443 lines
| 1 | <?php |
| 2 | /* |
| 3 | Plugin Name: WP Multibyte Patch |
| 4 | Plugin URI: http://eastcoder.com/code/wp-multibyte-patch/ |
| 5 | Description: Enhances multibyte string I/O functionality of WordPress. |
| 6 | Author: Kuraishi (tenpura) |
| 7 | Version: 1.5 |
| 8 | Author URI: http://eastcoder.com/ |
| 9 | Text Domain: wp-multibyte-patch |
| 10 | Domain Path: /languages |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | Copyright (C) 2011 Kuraishi (Email: 210pura at gmail dot com), Tinybit Inc. |
| 15 | This program is licensed under the GNU GPL Version 2. |
| 16 | */ |
| 17 | |
| 18 | class multibyte_patch { |
| 19 | |
| 20 | // Do not edit this section. Use wpmp-config.php instead. |
| 21 | |
| 22 | var $conf = array( |
| 23 | 'excerpt_length' => 55, |
| 24 | 'excerpt_mblength' => 110, |
| 25 | 'excerpt_more' => ' [...]', |
| 26 | 'comment_excerpt_length' => 20, |
| 27 | 'comment_excerpt_mblength' => 40, |
| 28 | 'ascii_threshold' => 90, |
| 29 | 'patch_wp_mail' => true, |
| 30 | 'patch_incoming_trackback' => true, |
| 31 | 'patch_incoming_pingback' => true, |
| 32 | 'patch_wp_trim_excerpt' => true, |
| 33 | 'patch_get_comment_excerpt' => true, |
| 34 | 'patch_process_search_terms' => true, |
| 35 | 'patch_admin_custom_css' => true, |
| 36 | 'patch_wplink_js' => true, |
| 37 | 'patch_word_count_js' => true, |
| 38 | 'patch_sanitize_file_name' => true, |
| 39 | 'patch_bp_create_excerpt' => false, |
| 40 | 'bp_excerpt_mblength' => 110, |
| 41 | 'bp_excerpt_more' => ' [...]' |
| 42 | ); |
| 43 | |
| 44 | var $blog_encoding; |
| 45 | var $has_mbfunctions; |
| 46 | var $textdomain = 'wp-multibyte-patch'; |
| 47 | var $lang_dir = 'languages'; |
| 48 | var $required_version = '3.2'; |
| 49 | var $query_based_vars = array(); |
| 50 | |
| 51 | function guess_encoding($string, $encoding = '') { |
| 52 | $blog_encoding = $this->blog_encoding; |
| 53 | |
| 54 | if(!$encoding && seems_utf8($string)) |
| 55 | return 'UTF-8'; |
| 56 | elseif(!$encoding) |
| 57 | return $blog_encoding; |
| 58 | else |
| 59 | return $encoding; |
| 60 | } |
| 61 | |
| 62 | function convenc($string, $to_encoding, $from_encoding = '') { |
| 63 | $blog_encoding = $this->blog_encoding; |
| 64 | |
| 65 | if('' == $from_encoding) |
| 66 | $from_encoding = $blog_encoding; |
| 67 | |
| 68 | if(strtoupper($to_encoding) == strtoupper($from_encoding)) |
| 69 | return $string; |
| 70 | else |
| 71 | return mb_convert_encoding($string, $to_encoding, $from_encoding); |
| 72 | } |
| 73 | |
| 74 | function incoming_trackback($commentdata) { |
| 75 | global $wpdb; |
| 76 | |
| 77 | if('trackback' != $commentdata['comment_type']) |
| 78 | return $commentdata; |
| 79 | |
| 80 | if(false === $this->conf['patch_incoming_trackback']) |
| 81 | return $commentdata; |
| 82 | |
| 83 | $title = isset($_POST['title']) ? stripslashes($_POST['title']) : ''; |
| 84 | $excerpt = isset($_POST['excerpt']) ? stripslashes($_POST['excerpt']) : ''; |
| 85 | $blog_name = isset($_POST['blog_name']) ? stripslashes($_POST['blog_name']) : ''; |
| 86 | $blog_encoding = $this->blog_encoding; |
| 87 | |
| 88 | $from_encoding = isset($_POST['charset']) ? $_POST['charset'] : ''; |
| 89 | |
| 90 | if(!$from_encoding) |
| 91 | $from_encoding = (preg_match("/^.*charset=([a-zA-Z0-9\-_]+).*$/i", $_SERVER['CONTENT_TYPE'], $matched)) ? $matched[1] : ''; |
| 92 | |
| 93 | $from_encoding = str_replace(array(',', ' '), '', strtoupper(trim($from_encoding))); |
| 94 | $from_encoding = $this->guess_encoding($excerpt . $title . $blog_name, $from_encoding); |
| 95 | |
| 96 | $title = $this->convenc($title, $blog_encoding, $from_encoding); |
| 97 | $blog_name = $this->convenc($blog_name, $blog_encoding, $from_encoding); |
| 98 | $excerpt = $this->convenc($excerpt, $blog_encoding, $from_encoding); |
| 99 | |
| 100 | $title = strip_tags($title); |
| 101 | $excerpt = strip_tags($excerpt); |
| 102 | |
| 103 | $title = (strlen($title) > 250) ? mb_strcut($title, 0, 250, $blog_encoding) . '...' : $title; |
| 104 | $excerpt = (strlen($excerpt) > 255) ? mb_strcut($excerpt, 0, 252, $blog_encoding) . '...' : $excerpt; |
| 105 | |
| 106 | $commentdata['comment_author'] = $wpdb->escape($blog_name); |
| 107 | $commentdata['comment_content'] = $wpdb->escape("<strong>$title</strong>\n\n$excerpt"); |
| 108 | |
| 109 | return $commentdata; |
| 110 | } |
| 111 | |
| 112 | function pre_remote_source($linea, $pagelinkedto) { |
| 113 | $this->pingback_ping_linea = $linea; |
| 114 | $this->pingback_ping_pagelinkedto = $pagelinkedto; |
| 115 | return $linea; |
| 116 | } |
| 117 | |
| 118 | function incoming_pingback($commentdata) { |
| 119 | if('pingback' != $commentdata['comment_type']) |
| 120 | return $commentdata; |
| 121 | |
| 122 | if(false === $this->conf['patch_incoming_pingback']) |
| 123 | return $commentdata; |
| 124 | |
| 125 | $pagelinkedto = $this->pingback_ping_pagelinkedto; |
| 126 | $linea = $this->pingback_ping_linea; |
| 127 | |
| 128 | $linea = preg_replace("/" . preg_quote('<!DOC', '/') . "/i", '<DOC', $linea); |
| 129 | $linea = preg_replace("/[\r\n\t ]+/", ' ', $linea); |
| 130 | $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); |
| 131 | |
| 132 | preg_match("/<meta[^<>]+charset=\"*([a-zA-Z0-9\-_]+)\"*[^<>]*>/i", $linea, $matches); |
| 133 | $charset = isset($matches[1]) ? $matches[1] : ''; |
| 134 | $from_encoding = $this->guess_encoding(strip_tags($linea), $charset); |
| 135 | $blog_encoding = $this->blog_encoding; |
| 136 | |
| 137 | $linea = strip_tags($linea, '<a>'); |
| 138 | $linea = $this->convenc($linea, $blog_encoding, $from_encoding); |
| 139 | $p = explode("\n\n", $linea); |
| 140 | |
| 141 | foreach ($p as $para) { |
| 142 | if(strpos($para, $pagelinkedto) !== false && preg_match("/^([^<>]*)(\<a[^<>]+[\"']" . preg_quote($pagelinkedto, '/') . "[\"'][^<>]*\>)([^<>]+)(\<\/a\>)(.*)$/i", $para, $context)) |
| 143 | break; |
| 144 | } |
| 145 | |
| 146 | if(!$context) |
| 147 | return $commentdata; |
| 148 | |
| 149 | $context[1] = strip_tags($context[1]); |
| 150 | $context[5] = strip_tags($context[5]); |
| 151 | $len_max = 250; |
| 152 | $len_c3 = strlen($context[3]); |
| 153 | |
| 154 | if($len_c3 > $len_max) { |
| 155 | $excerpt = mb_strcut($context[3], 0, 250, $blog_encoding); |
| 156 | } else { |
| 157 | $len_c1 = strlen($context[1]); |
| 158 | $len_c5 = strlen($context[5]); |
| 159 | $len_left = $len_max - $len_c3; |
| 160 | $len_left_even = ceil($len_left / 2); |
| 161 | |
| 162 | if($len_left_even > $len_c1) { |
| 163 | $context[5] = mb_strcut($context[5], 0, $len_left - $len_c1, $blog_encoding); |
| 164 | } |
| 165 | elseif($len_left_even > $len_c5) { |
| 166 | $context[1] .= "\t\t\t\t\t\t"; |
| 167 | $context[1] = mb_strcut($context[1], $len_c1 - ($len_left - $len_c5), $len_c1 + 6, $blog_encoding); |
| 168 | $context[1] = preg_replace("/\t*$/", '', $context[1]); |
| 169 | } |
| 170 | else { |
| 171 | $context[1] .= "\t\t\t\t\t\t"; |
| 172 | $context[1] = mb_strcut($context[1], $len_c1 - $len_left_even, $len_c1 + 6, $blog_encoding); |
| 173 | $context[1] = preg_replace("/\t*$/", '', $context[1]); |
| 174 | $context[5] = mb_strcut($context[5], 0, $len_left_even, $blog_encoding); |
| 175 | } |
| 176 | |
| 177 | $excerpt = $context[1] . $context[3] . $context[5]; |
| 178 | } |
| 179 | |
| 180 | $commentdata['comment_content'] = '[...] ' . esc_html($excerpt) . ' [...]'; |
| 181 | $commentdata['comment_content'] = addslashes($commentdata['comment_content']); |
| 182 | $commentdata['comment_author'] = stripslashes($commentdata['comment_author']); |
| 183 | $commentdata['comment_author'] = $this->convenc($commentdata['comment_author'], $blog_encoding, $from_encoding); |
| 184 | $commentdata['comment_author'] = addslashes($commentdata['comment_author']); |
| 185 | |
| 186 | return $commentdata; |
| 187 | } |
| 188 | |
| 189 | function preprocess_comment($commentdata) { |
| 190 | if($commentdata['comment_type'] == 'trackback') |
| 191 | return $this->incoming_trackback($commentdata); |
| 192 | elseif($commentdata['comment_type'] == 'pingback') |
| 193 | return $this->incoming_pingback($commentdata); |
| 194 | else |
| 195 | return $commentdata; |
| 196 | } |
| 197 | |
| 198 | function is_almost_ascii($string, $encoding) { |
| 199 | if(100 === $this->conf['ascii_threshold']) |
| 200 | return false; |
| 201 | |
| 202 | return ($this->conf['ascii_threshold'] < round(@(mb_strlen($string, $encoding) / strlen($string)) * 100)) ? true : false; |
| 203 | } |
| 204 | |
| 205 | function wp_trim_excerpt($text) { |
| 206 | $raw_excerpt = $text; |
| 207 | |
| 208 | $blog_encoding = $this->blog_encoding; |
| 209 | |
| 210 | if('' == $text) { |
| 211 | $text = get_the_content(''); |
| 212 | |
| 213 | $text = strip_shortcodes( $text ); |
| 214 | |
| 215 | $text = apply_filters('the_content', $text); |
| 216 | $text = str_replace(']]>', ']]>', $text); |
| 217 | $text = strip_tags($text); |
| 218 | $excerpt_length = apply_filters('excerpt_length', $this->conf['excerpt_length']); |
| 219 | $excerpt_mblength = apply_filters('excerpt_mblength', $this->conf['excerpt_mblength']); |
| 220 | $excerpt_more = apply_filters('excerpt_more', $this->conf['excerpt_more']); |
| 221 | |
| 222 | if($this->is_almost_ascii($text, $blog_encoding)) { |
| 223 | $words = preg_split("/[\n\r\t ]+/", $text, $excerpt_length + 1, PREG_SPLIT_NO_EMPTY); |
| 224 | |
| 225 | if ( count($words) > $excerpt_length ) { |
| 226 | array_pop($words); |
| 227 | $text = implode(' ', $words); |
| 228 | $text = $text . $excerpt_more; |
| 229 | } else { |
| 230 | $text = implode(' ', $words); |
| 231 | } |
| 232 | } |
| 233 | else { |
| 234 | $text = trim(preg_replace("/[\n\r\t ]+/", ' ', $text), ' '); |
| 235 | |
| 236 | if(mb_strlen($text, $blog_encoding) > $excerpt_mblength) |
| 237 | $text = mb_substr($text, 0, $excerpt_mblength, $blog_encoding) . $excerpt_more; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | return apply_filters('wp_trim_excerpt', $text, $raw_excerpt); |
| 242 | } |
| 243 | |
| 244 | function trim_multibyte_excerpt($text = '', $length = 110, $more = ' [...]', $encoding = 'UTF-8') { |
| 245 | $text = strip_shortcodes($text); |
| 246 | $text = str_replace(']]>', ']]>', $text); |
| 247 | $text = strip_tags($text); |
| 248 | $text = trim(preg_replace("/[\n\r\t ]+/", ' ', $text), ' '); |
| 249 | |
| 250 | if(mb_strlen($text, $encoding) > $length) |
| 251 | $text = mb_substr($text, 0, $length, $encoding) . $more; |
| 252 | |
| 253 | return $text; |
| 254 | } |
| 255 | |
| 256 | function bp_create_excerpt($text = '') { |
| 257 | if($this->is_almost_ascii($text, $this->blog_encoding)) |
| 258 | return $text; |
| 259 | else |
| 260 | return $this->trim_multibyte_excerpt($text, $this->conf['bp_excerpt_mblength'], $this->conf['bp_excerpt_more'], $this->blog_encoding); |
| 261 | } |
| 262 | |
| 263 | function bp_get_activity_content_body($content = '') { |
| 264 | return preg_replace("/<a [^<>]+>([^<>]+)<\/a>(" . preg_quote($this->conf['bp_excerpt_more'], '/') . "<\/p>)$/", "$1$2", $content); |
| 265 | } |
| 266 | |
| 267 | // param $excerpt could already be truncated to 20 words or less by the original get_comment_excerpt() function. |
| 268 | function get_comment_excerpt($excerpt = '') { |
| 269 | $excerpt = preg_replace("/\.\.\.$/", '', $excerpt); |
| 270 | $blog_encoding = $this->blog_encoding; |
| 271 | |
| 272 | if($this->is_almost_ascii($excerpt, $blog_encoding)) { |
| 273 | $words = explode(' ', $excerpt, $this->conf['comment_excerpt_length'] + 1); |
| 274 | |
| 275 | if(count($words) > $this->conf['comment_excerpt_length']) { |
| 276 | array_pop($words); |
| 277 | $excerpt = implode(' ', $words) . '...'; |
| 278 | } |
| 279 | } |
| 280 | elseif(mb_strlen($excerpt, $blog_encoding) > $this->conf['comment_excerpt_mblength']) { |
| 281 | $excerpt = mb_substr($excerpt, 0, $this->conf['comment_excerpt_mblength'], $blog_encoding) . '...'; |
| 282 | } |
| 283 | |
| 284 | return $excerpt; |
| 285 | } |
| 286 | |
| 287 | function sanitize_file_name($name) { |
| 288 | $info = pathinfo($name); |
| 289 | $ext = !empty($info['extension']) ? '.' . $info['extension'] : ''; |
| 290 | $name = str_replace($ext, '', $name); |
| 291 | $name_enc = rawurlencode($name); |
| 292 | $name = ($name == $name_enc) ? $name . $ext : md5($name) . $ext; |
| 293 | return $name; |
| 294 | } |
| 295 | |
| 296 | function excerpt_mblength($length) { |
| 297 | if(isset($this->query_based_vars['excerpt_mblength']) && (int) $this->query_based_vars['excerpt_mblength']) |
| 298 | return $this->query_based_vars['excerpt_mblength']; |
| 299 | else |
| 300 | return (int) $length; |
| 301 | } |
| 302 | |
| 303 | function excerpt_more($more) { |
| 304 | if(isset($this->query_based_vars['excerpt_more'])) |
| 305 | return $this->query_based_vars['excerpt_more']; |
| 306 | else |
| 307 | return $more; |
| 308 | } |
| 309 | |
| 310 | function query_based_settings() { |
| 311 | $is_query_funcs = array('is_feed', 'is_404', 'is_search', 'is_tax', 'is_front_page', 'is_home', 'is_attachment', 'is_single', 'is_page', 'is_category', 'is_tag', 'is_author', 'is_date', 'is_archive', 'is_paged'); |
| 312 | |
| 313 | foreach($is_query_funcs as $func) { |
| 314 | if(isset($this->conf['excerpt_mblength.' . $func]) && !isset($this->query_based_vars['excerpt_mblength']) && $func()) |
| 315 | $this->query_based_vars['excerpt_mblength'] = $this->conf['excerpt_mblength.' . $func]; |
| 316 | |
| 317 | if(isset($this->conf['excerpt_more.' . $func]) && !isset($this->query_based_vars['excerpt_more']) && $func()) |
| 318 | $this->query_based_vars['excerpt_more'] = $this->conf['excerpt_more.' . $func]; |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | function import_l10n_entry($text, $from_domain, $to_domain = 'default') { |
| 323 | global $l10n; |
| 324 | |
| 325 | if(isset($l10n[$to_domain]->entries) && isset($l10n[$from_domain]->entries[$text])) |
| 326 | $l10n[$to_domain]->entries[$text] = $l10n[$from_domain]->entries[$text]; |
| 327 | } |
| 328 | |
| 329 | function filters() { |
| 330 | // remove filter |
| 331 | if(false !== $this->conf['patch_wp_trim_excerpt']) |
| 332 | remove_filter('get_the_excerpt', 'wp_trim_excerpt'); |
| 333 | |
| 334 | // add filter |
| 335 | add_filter('preprocess_comment', array(&$this, 'preprocess_comment'), 99); |
| 336 | add_filter('excerpt_mblength', array(&$this, 'excerpt_mblength'), 9); |
| 337 | add_filter('excerpt_more', array(&$this, 'excerpt_more'), 9); |
| 338 | |
| 339 | if(false !== $this->conf['patch_incoming_pingback']) |
| 340 | add_filter('pre_remote_source', array(&$this, 'pre_remote_source'), 10, 2); |
| 341 | |
| 342 | if(false !== $this->conf['patch_wp_trim_excerpt']) |
| 343 | add_filter('get_the_excerpt', array(&$this, 'wp_trim_excerpt')); |
| 344 | |
| 345 | if(false !== $this->conf['patch_get_comment_excerpt']) |
| 346 | add_filter('get_comment_excerpt', array(&$this, 'get_comment_excerpt')); |
| 347 | |
| 348 | if(false !== $this->conf['patch_sanitize_file_name']) |
| 349 | add_filter('sanitize_file_name', array(&$this, 'sanitize_file_name')); |
| 350 | |
| 351 | if(false !== $this->conf['patch_bp_create_excerpt']) { |
| 352 | add_filter('bp_create_excerpt', array(&$this, 'bp_create_excerpt'), 99); |
| 353 | add_filter('bp_get_activity_content_body', array(&$this, 'bp_get_activity_content_body'), 99); |
| 354 | } |
| 355 | |
| 356 | // add action |
| 357 | add_action('wp', array(&$this, 'query_based_settings')); |
| 358 | |
| 359 | if(method_exists($this, 'process_search_terms') && false !== $this->conf['patch_process_search_terms']) |
| 360 | add_action('sanitize_comment_cookies', array(&$this, 'process_search_terms')); |
| 361 | |
| 362 | if(method_exists($this, 'wp_mail') && false !== $this->conf['patch_wp_mail']) |
| 363 | add_action('phpmailer_init', array(&$this, 'wp_mail')); |
| 364 | |
| 365 | if(method_exists($this, 'admin_custom_css') && false !== $this->conf['patch_admin_custom_css']) |
| 366 | add_action('admin_head' , array(&$this, 'admin_custom_css'), 99); |
| 367 | |
| 368 | if(method_exists($this, 'wplink_js') && false !== $this->conf['patch_wplink_js']) |
| 369 | add_action('wp_default_scripts' , array(&$this, 'wplink_js'), 9); |
| 370 | |
| 371 | if(method_exists($this, 'word_count_js') && false !== $this->conf['patch_word_count_js']) |
| 372 | add_action('wp_default_scripts' , array(&$this, 'word_count_js'), 9); |
| 373 | } |
| 374 | |
| 375 | function mbfunctions_exist() { |
| 376 | return ( |
| 377 | function_exists('mb_convert_encoding') && |
| 378 | function_exists('mb_convert_kana') && |
| 379 | function_exists('mb_detect_encoding') && |
| 380 | function_exists('mb_strcut') && |
| 381 | function_exists('mb_strlen') && |
| 382 | function_exists('mb_substr') |
| 383 | ) ? true : false; |
| 384 | } |
| 385 | |
| 386 | function activation_check() { |
| 387 | global $wp_version; |
| 388 | $required_version = $this->required_version; |
| 389 | |
| 390 | if(version_compare(substr($wp_version, 0, strlen($required_version)), $required_version, '<')) { |
| 391 | deactivate_plugins(__FILE__); |
| 392 | wp_die(sprintf(__('Sorry, WP Multibyte Patch requires WordPress %s or later.', 'wp-multibyte-patch'), $required_version)); |
| 393 | } |
| 394 | elseif(!$this->has_mbfunctions) { |
| 395 | deactivate_plugins(__FILE__); |
| 396 | wp_die(__('Sorry, WP Multibyte Patch requires mbstring functions.', 'wp-multibyte-patch')); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | function load_conf() { |
| 401 | $wpmp_conf = array(); |
| 402 | |
| 403 | if(file_exists(WP_CONTENT_DIR . '/wpmp-config.php')) |
| 404 | require_once(WP_CONTENT_DIR . '/wpmp-config.php'); |
| 405 | |
| 406 | if(is_multisite()) { |
| 407 | $blog_id = get_current_blog_id(); |
| 408 | if(file_exists(WP_CONTENT_DIR . '/wpmp-config-blog-' . $blog_id . '.php')) |
| 409 | require_once(WP_CONTENT_DIR . '/wpmp-config-blog-' . $blog_id . '.php'); |
| 410 | } |
| 411 | |
| 412 | $this->conf = array_merge($this->conf, $wpmp_conf); |
| 413 | } |
| 414 | |
| 415 | function __construct() { |
| 416 | $this->load_conf(); |
| 417 | |
| 418 | $this->blog_encoding = get_option('blog_charset'); |
| 419 | $this->has_mbfunctions = $this->mbfunctions_exist(); |
| 420 | |
| 421 | load_textdomain($this->textdomain, plugin_dir_path(__FILE__) . $this->lang_dir . '/' . $this->textdomain . '-' . get_locale() . '.mo'); |
| 422 | register_activation_hook(__FILE__, array(&$this, 'activation_check')); |
| 423 | |
| 424 | $this->filters(); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | if(defined('WP_PLUGIN_URL')) { |
| 429 | global $wpmp; |
| 430 | |
| 431 | if(file_exists(dirname(__FILE__) . '/ext/' . get_locale() . '/class.php')) { |
| 432 | require_once(dirname(__FILE__) . '/ext/' . get_locale() . '/class.php'); |
| 433 | $wpmp = new multibyte_patch_ext(); |
| 434 | } |
| 435 | elseif(file_exists(dirname(__FILE__) . '/ext/default/class.php')) { |
| 436 | require_once(dirname(__FILE__) . '/ext/default/class.php'); |
| 437 | $wpmp = new multibyte_patch_ext(); |
| 438 | } |
| 439 | else |
| 440 | $wpmp = new multibyte_patch(); |
| 441 | } |
| 442 | |
| 443 | ?> |