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1 <?php 2 /** 3 * 4 * @package acp 5 * @version $Id$ 6 * @copyright (c) 2005 phpBB Group 7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License 8 * 9 */ 10 11 /** 12 * @ignore 13 */ 14 if (!defined('IN_PHPBB')) 15 { 16 exit; 17 } 18 19 /** 20 * @package acp 21 */ 22 class acp_bbcodes 23 { 24 var $u_action; 25 26 function main($id, $mode) 27 { 28 global $db, $user, $auth, $template, $cache; 29 global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx; 30 31 $user->add_lang('acp/posting'); 32 33 // Set up general vars 34 $action = request_var('action', ''); 35 $bbcode_id = request_var('bbcode', 0); 36 37 $this->tpl_name = 'acp_bbcodes'; 38 $this->page_title = 'ACP_BBCODES'; 39 $form_key = 'acp_bbcodes'; 40 41 add_form_key($form_key); 42 43 // Set up mode-specific vars 44 switch ($action) 45 { 46 case 'add': 47 $bbcode_match = $bbcode_tpl = $bbcode_helpline = ''; 48 $display_on_posting = 0; 49 break; 50 51 case 'edit': 52 $sql = 'SELECT bbcode_match, bbcode_tpl, display_on_posting, bbcode_helpline 53 FROM ' . BBCODES_TABLE . ' 54 WHERE bbcode_id = ' . $bbcode_id; 55 $result = $db->sql_query($sql); 56 $row = $db->sql_fetchrow($result); 57 $db->sql_freeresult($result); 58 59 if (!$row) 60 { 61 trigger_error($user->lang['BBCODE_NOT_EXIST'] . adm_back_link($this->u_action), E_USER_WARNING); 62 } 63 64 $bbcode_match = $row['bbcode_match']; 65 $bbcode_tpl = htmlspecialchars($row['bbcode_tpl']); 66 $display_on_posting = $row['display_on_posting']; 67 $bbcode_helpline = $row['bbcode_helpline']; 68 break; 69 70 case 'modify': 71 $sql = 'SELECT bbcode_id, bbcode_tag 72 FROM ' . BBCODES_TABLE . ' 73 WHERE bbcode_id = ' . $bbcode_id; 74 $result = $db->sql_query($sql); 75 $row = $db->sql_fetchrow($result); 76 $db->sql_freeresult($result); 77 78 if (!$row) 79 { 80 trigger_error($user->lang['BBCODE_NOT_EXIST'] . adm_back_link($this->u_action), E_USER_WARNING); 81 } 82 83 // No break here 84 85 case 'create': 86 $display_on_posting = request_var('display_on_posting', 0); 87 88 $bbcode_match = request_var('bbcode_match', ''); 89 $bbcode_tpl = htmlspecialchars_decode(utf8_normalize_nfc(request_var('bbcode_tpl', '', true))); 90 $bbcode_helpline = utf8_normalize_nfc(request_var('bbcode_helpline', '', true)); 91 break; 92 } 93 94 // Do major work 95 switch ($action) 96 { 97 case 'edit': 98 case 'add': 99 100 $template->assign_vars(array( 101 'S_EDIT_BBCODE' => true, 102 'U_BACK' => $this->u_action, 103 'U_ACTION' => $this->u_action . '&action=' . (($action == 'add') ? 'create' : 'modify') . (($bbcode_id) ? "&bbcode=$bbcode_id" : ''), 104 105 'L_BBCODE_USAGE_EXPLAIN'=> sprintf($user->lang['BBCODE_USAGE_EXPLAIN'], '<a href="#down">', '</a>'), 106 'BBCODE_MATCH' => $bbcode_match, 107 'BBCODE_TPL' => $bbcode_tpl, 108 'BBCODE_HELPLINE' => $bbcode_helpline, 109 'DISPLAY_ON_POSTING' => $display_on_posting) 110 ); 111 112 foreach ($user->lang['tokens'] as $token => $token_explain) 113 { 114 $template->assign_block_vars('token', array( 115 'TOKEN' => '{' . $token . '}', 116 'EXPLAIN' => ($token === 'LOCAL_URL') ? sprintf($token_explain, generate_board_url() . '/') : $token_explain, 117 )); 118 } 119 120 return; 121 122 break; 123 124 case 'modify': 125 case 'create': 126 127 $warn_text = preg_match('%<[^>]*\{text[\d]*\}[^>]*>%i', $bbcode_tpl); 128 if (!$warn_text || confirm_box(true)) 129 { 130 $data = $this->build_regexp($bbcode_match, $bbcode_tpl); 131 132 // Make sure the user didn't pick a "bad" name for the BBCode tag. 133 $hard_coded = array('code', 'quote', 'quote=', 'attachment', 'attachment=', 'b', 'i', 'url', 'url=', 'img', 'size', 'size=', 'color', 'color=', 'u', 'list', 'list=', 'email', 'email=', 'flash', 'flash='); 134 135 if (($action == 'modify' && strtolower($data['bbcode_tag']) !== strtolower($row['bbcode_tag'])) || ($action == 'create')) 136 { 137 $sql = 'SELECT 1 as test 138 FROM ' . BBCODES_TABLE . " 139 WHERE LOWER(bbcode_tag) = '" . $db->sql_escape(strtolower($data['bbcode_tag'])) . "'"; 140 $result = $db->sql_query($sql); 141 $info = $db->sql_fetchrow($result); 142 $db->sql_freeresult($result); 143 144 // Grab the end, interrogate the last closing tag 145 if ($info['test'] === '1' || in_array(strtolower($data['bbcode_tag']), $hard_coded) || (preg_match('#\[/([^[]*)]$#', $bbcode_match, $regs) && in_array(strtolower($regs[1]), $hard_coded))) 146 { 147 trigger_error($user->lang['BBCODE_INVALID_TAG_NAME'] . adm_back_link($this->u_action), E_USER_WARNING); 148 } 149 } 150 151 if (substr($data['bbcode_tag'], -1) === '=') 152 { 153 $test = substr($data['bbcode_tag'], 0, -1); 154 } 155 else 156 { 157 $test = $data['bbcode_tag']; 158 } 159 160 if (!preg_match('%\\[' . $test . '[^]]*].*?\\[/' . $test . ']%s', $bbcode_match)) 161 { 162 trigger_error($user->lang['BBCODE_OPEN_ENDED_TAG'] . adm_back_link($this->u_action), E_USER_WARNING); 163 } 164 165 if (strlen($data['bbcode_tag']) > 16) 166 { 167 trigger_error($user->lang['BBCODE_TAG_TOO_LONG'] . adm_back_link($this->u_action), E_USER_WARNING); 168 } 169 170 if (strlen($bbcode_match) > 4000) 171 { 172 trigger_error($user->lang['BBCODE_TAG_DEF_TOO_LONG'] . adm_back_link($this->u_action), E_USER_WARNING); 173 } 174 175 176 if (strlen($bbcode_helpline) > 255) 177 { 178 trigger_error($user->lang['BBCODE_HELPLINE_TOO_LONG'] . adm_back_link($this->u_action), E_USER_WARNING); 179 } 180 181 $sql_ary = array( 182 'bbcode_tag' => $data['bbcode_tag'], 183 'bbcode_match' => $bbcode_match, 184 'bbcode_tpl' => $bbcode_tpl, 185 'display_on_posting' => $display_on_posting, 186 'bbcode_helpline' => $bbcode_helpline, 187 'first_pass_match' => $data['first_pass_match'], 188 'first_pass_replace' => $data['first_pass_replace'], 189 'second_pass_match' => $data['second_pass_match'], 190 'second_pass_replace' => $data['second_pass_replace'] 191 ); 192 193 if ($action == 'create') 194 { 195 $sql = 'SELECT MAX(bbcode_id) as max_bbcode_id 196 FROM ' . BBCODES_TABLE; 197 $result = $db->sql_query($sql); 198 $row = $db->sql_fetchrow($result); 199 $db->sql_freeresult($result); 200 201 if ($row) 202 { 203 $bbcode_id = $row['max_bbcode_id'] + 1; 204 205 // Make sure it is greater than the core bbcode ids... 206 if ($bbcode_id <= NUM_CORE_BBCODES) 207 { 208 $bbcode_id = NUM_CORE_BBCODES + 1; 209 } 210 } 211 else 212 { 213 $bbcode_id = NUM_CORE_BBCODES + 1; 214 } 215 216 if ($bbcode_id > BBCODE_LIMIT) 217 { 218 trigger_error($user->lang['TOO_MANY_BBCODES'] . adm_back_link($this->u_action), E_USER_WARNING); 219 } 220 221 $sql_ary['bbcode_id'] = (int) $bbcode_id; 222 223 $db->sql_query('INSERT INTO ' . BBCODES_TABLE . $db->sql_build_array('INSERT', $sql_ary)); 224 $cache->destroy('sql', BBCODES_TABLE); 225 226 $lang = 'BBCODE_ADDED'; 227 $log_action = 'LOG_BBCODE_ADD'; 228 } 229 else 230 { 231 $sql = 'UPDATE ' . BBCODES_TABLE . ' 232 SET ' . $db->sql_build_array('UPDATE', $sql_ary) . ' 233 WHERE bbcode_id = ' . $bbcode_id; 234 $db->sql_query($sql); 235 $cache->destroy('sql', BBCODES_TABLE); 236 237 $lang = 'BBCODE_EDITED'; 238 $log_action = 'LOG_BBCODE_EDIT'; 239 } 240 241 add_log('admin', $log_action, $data['bbcode_tag']); 242 243 trigger_error($user->lang[$lang] . adm_back_link($this->u_action)); 244 } 245 else 246 { 247 confirm_box(false, $user->lang['BBCODE_DANGER'], build_hidden_fields(array( 248 'action' => $action, 249 'bbcode' => $bbcode_id, 250 'bbcode_match' => $bbcode_match, 251 'bbcode_tpl' => htmlspecialchars($bbcode_tpl), 252 'bbcode_helpline' => $bbcode_helpline, 253 'display_on_posting' => $display_on_posting, 254 )) 255 , 'confirm_bbcode.html'); 256 } 257 258 break; 259 260 case 'delete': 261 262 $sql = 'SELECT bbcode_tag 263 FROM ' . BBCODES_TABLE . " 264 WHERE bbcode_id = $bbcode_id"; 265 $result = $db->sql_query($sql); 266 $row = $db->sql_fetchrow($result); 267 $db->sql_freeresult($result); 268 269 if ($row) 270 { 271 if (confirm_box(true)) 272 { 273 $db->sql_query('DELETE FROM ' . BBCODES_TABLE . " WHERE bbcode_id = $bbcode_id"); 274 $cache->destroy('sql', BBCODES_TABLE); 275 add_log('admin', 'LOG_BBCODE_DELETE', $row['bbcode_tag']); 276 } 277 else 278 { 279 confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields(array( 280 'bbcode' => $bbcode_id, 281 'i' => $id, 282 'mode' => $mode, 283 'action' => $action)) 284 ); 285 } 286 } 287 288 break; 289 } 290 291 $template->assign_vars(array( 292 'U_ACTION' => $this->u_action . '&action=add') 293 ); 294 295 $sql = 'SELECT * 296 FROM ' . BBCODES_TABLE . ' 297 ORDER BY bbcode_tag'; 298 $result = $db->sql_query($sql); 299 300 while ($row = $db->sql_fetchrow($result)) 301 { 302 $template->assign_block_vars('bbcodes', array( 303 'BBCODE_TAG' => $row['bbcode_tag'], 304 'U_EDIT' => $this->u_action . '&action=edit&bbcode=' . $row['bbcode_id'], 305 'U_DELETE' => $this->u_action . '&action=delete&bbcode=' . $row['bbcode_id']) 306 ); 307 } 308 $db->sql_freeresult($result); 309 } 310 311 /* 312 * Build regular expression for custom bbcode 313 */ 314 function build_regexp(&$bbcode_match, &$bbcode_tpl) 315 { 316 $bbcode_match = trim($bbcode_match); 317 $bbcode_tpl = trim($bbcode_tpl); 318 $utf8 = strpos($bbcode_match, 'INTTEXT') !== false; 319 320 // make sure we have utf8 support 321 $utf8_pcre_properties = false; 322 if (version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) 323 { 324 // While this is the proper range of PHP versions, PHP may not be linked with the bundled PCRE lib and instead with an older version 325 if (@preg_match('/\p{L}/u', 'a') !== false) 326 { 327 $utf8_pcre_properties = true; 328 } 329 } 330 331 $fp_match = preg_quote($bbcode_match, '!'); 332 $fp_replace = preg_replace('#^\[(.*?)\]#', '[$1:$uid]', $bbcode_match); 333 $fp_replace = preg_replace('#\[/(.*?)\]$#', '[/$1:$uid]', $fp_replace); 334 335 $sp_match = preg_quote($bbcode_match, '!'); 336 $sp_match = preg_replace('#^\\\\\[(.*?)\\\\\]#', '\[$1:$uid\]', $sp_match); 337 $sp_match = preg_replace('#\\\\\[/(.*?)\\\\\]$#', '\[/$1:$uid\]', $sp_match); 338 $sp_replace = $bbcode_tpl; 339 340 // @todo Make sure to change this too if something changed in message parsing 341 $tokens = array( 342 'URL' => array( 343 '!(?:(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('url')) . ')|(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('www_url')) . '))!ie' => "\$this->bbcode_specialchars(('\$1') ? '\$1' : 'http://\$2')" 344 ), 345 'LOCAL_URL' => array( 346 '!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e' => "\$this->bbcode_specialchars('$1')" 347 ), 348 'RELATIVE_URL' => array( 349 '!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e' => "\$this->bbcode_specialchars('$1')" 350 ), 351 'EMAIL' => array( 352 '!(' . get_preg_expression('email') . ')!ie' => "\$this->bbcode_specialchars('$1')" 353 ), 354 'TEXT' => array( 355 '!(.*?)!es' => "str_replace(array(\"\\r\\n\", '\\\"', '\\'', '(', ')'), array(\"\\n\", '\"', ''', '(', ')'), trim('\$1'))" 356 ), 357 'SIMPLETEXT' => array( 358 '!([a-zA-Z0-9-+.,_ ]+)!' => "$1" 359 ), 360 'INTTEXT' => array( 361 ($utf8_pcre_properties) ? '!([\p{L}\p{N}\-+,_. ]+)!u' : '!([a-zA-Z0-9\-+,_. ]+)!u' => "$1" 362 ), 363 'IDENTIFIER' => array( 364 '!([a-zA-Z0-9-_]+)!' => "$1" 365 ), 366 'COLOR' => array( 367 '!([a-z]+|#[0-9abcdef]+)!i' => '$1' 368 ), 369 'NUMBER' => array( 370 '!([0-9]+)!' => '$1' 371 ) 372 ); 373 374 $sp_tokens = array( 375 'URL' => '(?i)((?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('url')) . ')|(?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('www_url')) . '))(?-i)', 376 'LOCAL_URL' => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)', 377 'RELATIVE_URL' => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)', 378 'EMAIL' => '(' . get_preg_expression('email') . ')', 379 'TEXT' => '(.*?)', 380 'SIMPLETEXT' => '([a-zA-Z0-9-+.,_ ]+)', 381 'INTTEXT' => ($utf8_pcre_properties) ? '([\p{L}\p{N}\-+,_. ]+)' : '([a-zA-Z0-9\-+,_. ]+)', 382 'IDENTIFIER' => '([a-zA-Z0-9-_]+)', 383 'COLOR' => '([a-zA-Z]+|#[0-9abcdefABCDEF]+)', 384 'NUMBER' => '([0-9]+)', 385 ); 386 387 $pad = 0; 388 $modifiers = 'i'; 389 $modifiers .= ($utf8 && $utf8_pcre_properties) ? 'u' : ''; 390 391 if (preg_match_all('/\{(' . implode('|', array_keys($tokens)) . ')[0-9]*\}/i', $bbcode_match, $m)) 392 { 393 foreach ($m[0] as $n => $token) 394 { 395 $token_type = $m[1][$n]; 396 397 reset($tokens[strtoupper($token_type)]); 398 list($match, $replace) = each($tokens[strtoupper($token_type)]); 399 400 // Pad backreference numbers from tokens 401 if (preg_match_all('/(?<!\\\\)\$([0-9]+)/', $replace, $repad)) 402 { 403 $repad = $pad + sizeof(array_unique($repad[0])); 404 $replace = preg_replace('/(?<!\\\\)\$([0-9]+)/e', "'\${' . (\$1 + \$pad) . '}'", $replace); 405 $pad = $repad; 406 } 407 408 // Obtain pattern modifiers to use and alter the regex accordingly 409 $regex = preg_replace('/!(.*)!([a-z]*)/', '$1', $match); 410 $regex_modifiers = preg_replace('/!(.*)!([a-z]*)/', '$2', $match); 411 412 for ($i = 0, $size = strlen($regex_modifiers); $i < $size; ++$i) 413 { 414 if (strpos($modifiers, $regex_modifiers[$i]) === false) 415 { 416 $modifiers .= $regex_modifiers[$i]; 417 418 if ($regex_modifiers[$i] == 'e') 419 { 420 $fp_replace = "'" . str_replace("'", "\\'", $fp_replace) . "'"; 421 } 422 } 423 424 if ($regex_modifiers[$i] == 'e') 425 { 426 $replace = "'.$replace.'"; 427 } 428 } 429 430 $fp_match = str_replace(preg_quote($token, '!'), $regex, $fp_match); 431 $fp_replace = str_replace($token, $replace, $fp_replace); 432 433 $sp_match = str_replace(preg_quote($token, '!'), $sp_tokens[$token_type], $sp_match); 434 435 // Prepend the board url to local relative links 436 $replace_prepend = ($token_type === 'LOCAL_URL') ? generate_board_url() . '/' : ''; 437 438 $sp_replace = str_replace($token, $replace_prepend . '${' . ($n + 1) . '}', $sp_replace); 439 } 440 441 $fp_match = '!' . $fp_match . '!' . $modifiers; 442 $sp_match = '!' . $sp_match . '!s' . (($utf8) ? 'u' : ''); 443 444 if (strpos($fp_match, 'e') !== false) 445 { 446 $fp_replace = str_replace("'.'", '', $fp_replace); 447 $fp_replace = str_replace(".''.", '.', $fp_replace); 448 } 449 } 450 else 451 { 452 // No replacement is present, no need for a second-pass pattern replacement 453 // A simple str_replace will suffice 454 $fp_match = '!' . $fp_match . '!' . $modifiers; 455 $sp_match = $fp_replace; 456 $sp_replace = ''; 457 } 458 459 // Lowercase tags 460 $bbcode_tag = preg_replace('/.*?\[([a-z0-9_-]+=?).*/i', '$1', $bbcode_match); 461 $bbcode_search = preg_replace('/.*?\[([a-z0-9_-]+)=?.*/i', '$1', $bbcode_match); 462 463 if (!preg_match('/^[a-zA-Z0-9_-]+=?$/', $bbcode_tag)) 464 { 465 global $user; 466 trigger_error($user->lang['BBCODE_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING); 467 } 468 469 $fp_match = preg_replace('#\[/?' . $bbcode_search . '#ie', "strtolower('\$0')", $fp_match); 470 $fp_replace = preg_replace('#\[/?' . $bbcode_search . '#ie', "strtolower('\$0')", $fp_replace); 471 $sp_match = preg_replace('#\[/?' . $bbcode_search . '#ie', "strtolower('\$0')", $sp_match); 472 $sp_replace = preg_replace('#\[/?' . $bbcode_search . '#ie', "strtolower('\$0')", $sp_replace); 473 474 return array( 475 'bbcode_tag' => $bbcode_tag, 476 'first_pass_match' => $fp_match, 477 'first_pass_replace' => $fp_replace, 478 'second_pass_match' => $sp_match, 479 'second_pass_replace' => $sp_replace 480 ); 481 } 482 } 483 484 ?>
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| Generated: Wed Oct 2 15:03:47 2013 | Cross-referenced by PHPXref 0.7.1 |