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PHP Cross Reference of phpBB-3.3.10-deutsch |
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1 <?php 2 /** 3 * 4 * This file is part of the phpBB Forum Software package. 5 * 6 * @copyright (c) phpBB Limited <https://www.phpbb.com> 7 * @license GNU General Public License, version 2 (GPL-2.0) 8 * 9 * For full copyright and license information, please see 10 * the docs/CREDITS.txt file. 11 * 12 */ 13 14 /** 15 * @ignore 16 */ 17 if (!defined('IN_PHPBB')) 18 { 19 exit; 20 } 21 22 /** 23 * gen_sort_selects() 24 * make_jumpbox() 25 * bump_topic_allowed() 26 * get_context() 27 * phpbb_clean_search_string() 28 * decode_message() 29 * strip_bbcode() 30 * generate_text_for_display() 31 * generate_text_for_storage() 32 * generate_text_for_edit() 33 * make_clickable_callback() 34 * make_clickable() 35 * censor_text() 36 * bbcode_nl2br() 37 * smiley_text() 38 * parse_attachments() 39 * extension_allowed() 40 * truncate_string() 41 * get_username_string() 42 * class bitfield 43 */ 44 45 /** 46 * Generate sort selection fields 47 */ 48 function gen_sort_selects(&$limit_days, &$sort_by_text, &$sort_days, &$sort_key, &$sort_dir, &$s_limit_days, &$s_sort_key, &$s_sort_dir, &$u_sort_param, $def_st = false, $def_sk = false, $def_sd = false) 49 { 50 global $user, $phpbb_dispatcher; 51 52 $sort_dir_text = array('a' => $user->lang['ASCENDING'], 'd' => $user->lang['DESCENDING']); 53 54 $sorts = array( 55 'st' => array( 56 'key' => 'sort_days', 57 'default' => $def_st, 58 'options' => $limit_days, 59 'output' => &$s_limit_days, 60 ), 61 62 'sk' => array( 63 'key' => 'sort_key', 64 'default' => $def_sk, 65 'options' => $sort_by_text, 66 'output' => &$s_sort_key, 67 ), 68 69 'sd' => array( 70 'key' => 'sort_dir', 71 'default' => $def_sd, 72 'options' => $sort_dir_text, 73 'output' => &$s_sort_dir, 74 ), 75 ); 76 $u_sort_param = ''; 77 78 foreach ($sorts as $name => $sort_ary) 79 { 80 $key = $sort_ary['key']; 81 $selected = ${$sort_ary['key']}; 82 83 // Check if the key is selectable. If not, we reset to the default or first key found. 84 // This ensures the values are always valid. We also set $sort_dir/sort_key/etc. to the 85 // correct value, else the protection is void. ;) 86 if (!isset($sort_ary['options'][$selected])) 87 { 88 if ($sort_ary['default'] !== false) 89 { 90 $selected = ${$key} = $sort_ary['default']; 91 } 92 else 93 { 94 @reset($sort_ary['options']); 95 $selected = ${$key} = key($sort_ary['options']); 96 } 97 } 98 99 $sort_ary['output'] = '<select name="' . $name . '" id="' . $name . '">'; 100 foreach ($sort_ary['options'] as $option => $text) 101 { 102 $sort_ary['output'] .= '<option value="' . $option . '"' . (($selected == $option) ? ' selected="selected"' : '') . '>' . $text . '</option>'; 103 } 104 $sort_ary['output'] .= '</select>'; 105 106 $u_sort_param .= ($selected !== $sort_ary['default']) ? ((strlen($u_sort_param)) ? '&' : '') . "{$name}={$selected}" : ''; 107 } 108 109 /** 110 * Run code before generated sort selects are returned 111 * 112 * @event core.gen_sort_selects_after 113 * @var int limit_days Days limit 114 * @var array sort_by_text Sort by text options 115 * @var int sort_days Sort by days flag 116 * @var string sort_key Sort key 117 * @var string sort_dir Sort dir 118 * @var string s_limit_days String of days limit 119 * @var string s_sort_key String of sort key 120 * @var string s_sort_dir String of sort dir 121 * @var string u_sort_param Sort URL params 122 * @var bool def_st Default sort days 123 * @var bool def_sk Default sort key 124 * @var bool def_sd Default sort dir 125 * @var array sorts Sorts 126 * @since 3.1.9-RC1 127 */ 128 $vars = array( 129 'limit_days', 130 'sort_by_text', 131 'sort_days', 132 'sort_key', 133 'sort_dir', 134 's_limit_days', 135 's_sort_key', 136 's_sort_dir', 137 'u_sort_param', 138 'def_st', 139 'def_sk', 140 'def_sd', 141 'sorts', 142 ); 143 extract($phpbb_dispatcher->trigger_event('core.gen_sort_selects_after', compact($vars))); 144 145 return; 146 } 147 148 /** 149 * Generate Jumpbox 150 */ 151 function make_jumpbox($action, $forum_id = false, $select_all = false, $acl_list = false, $force_display = false) 152 { 153 global $config, $auth, $template, $user, $db, $phpbb_path_helper, $phpbb_dispatcher; 154 155 // We only return if the jumpbox is not forced to be displayed (in case it is needed for functionality) 156 if (!$config['load_jumpbox'] && $force_display === false) 157 { 158 return; 159 } 160 161 $sql = 'SELECT forum_id, forum_name, parent_id, forum_type, left_id, right_id 162 FROM ' . FORUMS_TABLE . ' 163 ORDER BY left_id ASC'; 164 $result = $db->sql_query($sql, 600); 165 166 $rowset = array(); 167 while ($row = $db->sql_fetchrow($result)) 168 { 169 $rowset[(int) $row['forum_id']] = $row; 170 } 171 $db->sql_freeresult($result); 172 173 $right = $padding = 0; 174 $padding_store = array('0' => 0); 175 $display_jumpbox = false; 176 $iteration = 0; 177 178 /** 179 * Modify the jumpbox forum list data 180 * 181 * @event core.make_jumpbox_modify_forum_list 182 * @var array rowset Array with the forums list data 183 * @since 3.1.10-RC1 184 */ 185 $vars = array('rowset'); 186 extract($phpbb_dispatcher->trigger_event('core.make_jumpbox_modify_forum_list', compact($vars))); 187 188 // Sometimes it could happen that forums will be displayed here not be displayed within the index page 189 // This is the result of forums not displayed at index, having list permissions and a parent of a forum with no permissions. 190 // If this happens, the padding could be "broken" 191 192 foreach ($rowset as $row) 193 { 194 if ($row['left_id'] < $right) 195 { 196 $padding++; 197 $padding_store[$row['parent_id']] = $padding; 198 } 199 else if ($row['left_id'] > $right + 1) 200 { 201 // Ok, if the $padding_store for this parent is empty there is something wrong. For now we will skip over it. 202 // @todo digging deep to find out "how" this can happen. 203 $padding = (isset($padding_store[$row['parent_id']])) ? $padding_store[$row['parent_id']] : $padding; 204 } 205 206 $right = $row['right_id']; 207 208 if ($row['forum_type'] == FORUM_CAT && ($row['left_id'] + 1 == $row['right_id'])) 209 { 210 // Non-postable forum with no subforums, don't display 211 continue; 212 } 213 214 if (!$auth->acl_get('f_list', $row['forum_id'])) 215 { 216 // if the user does not have permissions to list this forum skip 217 continue; 218 } 219 220 if ($acl_list && !$auth->acl_gets($acl_list, $row['forum_id'])) 221 { 222 continue; 223 } 224 225 $tpl_ary = array(); 226 if (!$display_jumpbox) 227 { 228 $tpl_ary[] = array( 229 'FORUM_ID' => ($select_all) ? 0 : -1, 230 'FORUM_NAME' => ($select_all) ? $user->lang['ALL_FORUMS'] : $user->lang['SELECT_FORUM'], 231 'S_FORUM_COUNT' => $iteration, 232 'LINK' => $phpbb_path_helper->append_url_params($action, array('f' => $forum_id)), 233 ); 234 235 $iteration++; 236 $display_jumpbox = true; 237 } 238 239 $tpl_ary[] = array( 240 'FORUM_ID' => $row['forum_id'], 241 'FORUM_NAME' => $row['forum_name'], 242 'SELECTED' => ($row['forum_id'] == $forum_id) ? ' selected="selected"' : '', 243 'S_FORUM_COUNT' => $iteration, 244 'S_IS_CAT' => ($row['forum_type'] == FORUM_CAT) ? true : false, 245 'S_IS_LINK' => ($row['forum_type'] == FORUM_LINK) ? true : false, 246 'S_IS_POST' => ($row['forum_type'] == FORUM_POST) ? true : false, 247 'LINK' => $phpbb_path_helper->append_url_params($action, array('f' => $row['forum_id'])), 248 ); 249 250 /** 251 * Modify the jumpbox before it is assigned to the template 252 * 253 * @event core.make_jumpbox_modify_tpl_ary 254 * @var array row The data of the forum 255 * @var array tpl_ary Template data of the forum 256 * @since 3.1.10-RC1 257 */ 258 $vars = array( 259 'row', 260 'tpl_ary', 261 ); 262 extract($phpbb_dispatcher->trigger_event('core.make_jumpbox_modify_tpl_ary', compact($vars))); 263 264 $template->assign_block_vars_array('jumpbox_forums', $tpl_ary); 265 266 unset($tpl_ary); 267 268 for ($i = 0; $i < $padding; $i++) 269 { 270 $template->assign_block_vars('jumpbox_forums.level', array()); 271 } 272 $iteration++; 273 } 274 unset($padding_store, $rowset); 275 276 $url_parts = $phpbb_path_helper->get_url_parts($action); 277 278 $template->assign_vars(array( 279 'S_DISPLAY_JUMPBOX' => $display_jumpbox, 280 'S_JUMPBOX_ACTION' => $action, 281 'HIDDEN_FIELDS_FOR_JUMPBOX' => build_hidden_fields($url_parts['params']), 282 )); 283 284 return; 285 } 286 287 /** 288 * Bump Topic Check - used by posting and viewtopic 289 */ 290 function bump_topic_allowed($forum_id, $topic_bumped, $last_post_time, $topic_poster, $last_topic_poster) 291 { 292 global $config, $auth, $user; 293 294 // Check permission and make sure the last post was not already bumped 295 if (!$auth->acl_get('f_bump', $forum_id) || $topic_bumped) 296 { 297 return false; 298 } 299 300 // Check bump time range, is the user really allowed to bump the topic at this time? 301 $bump_time = ($config['bump_type'] == 'm') ? $config['bump_interval'] * 60 : (($config['bump_type'] == 'h') ? $config['bump_interval'] * 3600 : $config['bump_interval'] * 86400); 302 303 // Check bump time 304 if ($last_post_time + $bump_time > time()) 305 { 306 return false; 307 } 308 309 // Check bumper, only topic poster and last poster are allowed to bump 310 if ($topic_poster != $user->data['user_id'] && $last_topic_poster != $user->data['user_id']) 311 { 312 return false; 313 } 314 315 // A bump time of 0 will completely disable the bump feature... not intended but might be useful. 316 return $bump_time; 317 } 318 319 /** 320 * Generates a text with approx. the specified length which contains the specified words and their context 321 * 322 * @param string $text The full text from which context shall be extracted 323 * @param string $words An array of words which should be contained in the result, has to be a valid part of a PCRE pattern (escape with preg_quote!) 324 * @param int $length The desired length of the resulting text, however the result might be shorter or longer than this value 325 * 326 * @return string Context of the specified words separated by "..." 327 */ 328 function get_context($text, $words, $length = 400) 329 { 330 // first replace all whitespaces with single spaces 331 $text = preg_replace('/ +/', ' ', strtr($text, "\t\n\r\x0C ", ' ')); 332 333 // we need to turn the entities back into their original form, to not cut the message in between them 334 $entities = array('<', '>', '[', ']', '.', ':', ':'); 335 $characters = array('<', '>', '[', ']', '.', ':', ':'); 336 $text = str_replace($entities, $characters, $text); 337 338 $word_indizes = array(); 339 if (count($words)) 340 { 341 $match = ''; 342 // find the starting indizes of all words 343 foreach ($words as $word) 344 { 345 if ($word) 346 { 347 if (preg_match('#(?:[^\w]|^)(' . $word . ')(?:[^\w]|$)#i', $text, $match)) 348 { 349 if (empty($match[1])) 350 { 351 continue; 352 } 353 354 $pos = utf8_strpos($text, $match[1]); 355 if ($pos !== false) 356 { 357 $word_indizes[] = $pos; 358 } 359 } 360 } 361 } 362 unset($match); 363 364 if (count($word_indizes)) 365 { 366 $word_indizes = array_unique($word_indizes); 367 sort($word_indizes); 368 369 $wordnum = count($word_indizes); 370 // number of characters on the right and left side of each word 371 $sequence_length = (int) ($length / (2 * $wordnum)) - 2; 372 $final_text = ''; 373 $word = $j = 0; 374 $final_text_index = -1; 375 376 // cycle through every character in the original text 377 for ($i = $word_indizes[$word], $n = utf8_strlen($text); $i < $n; $i++) 378 { 379 // if the current position is the start of one of the words then append $sequence_length characters to the final text 380 if (isset($word_indizes[$word]) && ($i == $word_indizes[$word])) 381 { 382 if ($final_text_index < $i - $sequence_length - 1) 383 { 384 $final_text .= '... ' . preg_replace('#^([^ ]*)#', '', utf8_substr($text, $i - $sequence_length, $sequence_length)); 385 } 386 else 387 { 388 // if the final text is already nearer to the current word than $sequence_length we only append the text 389 // from its current index on and distribute the unused length to all other sequenes 390 $sequence_length += (int) (($final_text_index - $i + $sequence_length + 1) / (2 * $wordnum)); 391 $final_text .= utf8_substr($text, $final_text_index + 1, $i - $final_text_index - 1); 392 } 393 $final_text_index = $i - 1; 394 395 // add the following characters to the final text (see below) 396 $word++; 397 $j = 1; 398 } 399 400 if ($j > 0) 401 { 402 // add the character to the final text and increment the sequence counter 403 $final_text .= utf8_substr($text, $i, 1); 404 $final_text_index++; 405 $j++; 406 407 // if this is a whitespace then check whether we are done with this sequence 408 if (utf8_substr($text, $i, 1) == ' ') 409 { 410 // only check whether we have to exit the context generation completely if we haven't already reached the end anyway 411 if ($i + 4 < $n) 412 { 413 if (($j > $sequence_length && $word >= $wordnum) || utf8_strlen($final_text) > $length) 414 { 415 $final_text .= ' ...'; 416 break; 417 } 418 } 419 else 420 { 421 // make sure the text really reaches the end 422 $j -= 4; 423 } 424 425 // stop context generation and wait for the next word 426 if ($j > $sequence_length) 427 { 428 $j = 0; 429 } 430 } 431 } 432 } 433 return str_replace($characters, $entities, $final_text); 434 } 435 } 436 437 if (!count($words) || !count($word_indizes)) 438 { 439 return str_replace($characters, $entities, ((utf8_strlen($text) >= $length + 3) ? utf8_substr($text, 0, $length) . '...' : $text)); 440 } 441 } 442 443 /** 444 * Cleans a search string by removing single wildcards from it and replacing multiple spaces with a single one. 445 * 446 * @param string $search_string The full search string which should be cleaned. 447 * 448 * @return string The cleaned search string without any wildcards and multiple spaces. 449 */ 450 function phpbb_clean_search_string($search_string) 451 { 452 // This regular expressions matches every single wildcard. 453 // That means one after a whitespace or the beginning of the string or one before a whitespace or the end of the string. 454 $search_string = preg_replace('#(?<=^|\s)\*+(?=\s|$)#', '', $search_string); 455 $search_string = trim($search_string); 456 $search_string = preg_replace(array('#\s+#u', '#\*+#u'), array(' ', '*'), $search_string); 457 return $search_string; 458 } 459 460 /** 461 * Decode text whereby text is coming from the db and expected to be pre-parsed content 462 * We are placing this outside of the message parser because we are often in need of it... 463 * 464 * NOTE: special chars are kept encoded 465 * 466 * @param string &$message Original message, passed by reference 467 * @param string $bbcode_uid BBCode UID 468 * @return null 469 */ 470 function decode_message(&$message, $bbcode_uid = '') 471 { 472 global $phpbb_container, $phpbb_dispatcher; 473 474 /** 475 * Use this event to modify the message before it is decoded 476 * 477 * @event core.decode_message_before 478 * @var string message_text The message content 479 * @var string bbcode_uid The message BBCode UID 480 * @since 3.1.9-RC1 481 */ 482 $message_text = $message; 483 $vars = array('message_text', 'bbcode_uid'); 484 extract($phpbb_dispatcher->trigger_event('core.decode_message_before', compact($vars))); 485 $message = $message_text; 486 487 if (preg_match('#^<[rt][ >]#', $message)) 488 { 489 $message = htmlspecialchars($phpbb_container->get('text_formatter.utils')->unparse($message), ENT_COMPAT); 490 } 491 else 492 { 493 if ($bbcode_uid) 494 { 495 $match = array('<br />', "[/*:m:$bbcode_uid]", ":u:$bbcode_uid", ":o:$bbcode_uid", ":$bbcode_uid"); 496 $replace = array("\n", '', '', '', ''); 497 } 498 else 499 { 500 $match = array('<br />'); 501 $replace = array("\n"); 502 } 503 504 $message = str_replace($match, $replace, $message); 505 506 $match = get_preg_expression('bbcode_htm'); 507 $replace = array('\1', '\1', '\2', '\2', '\1', '', ''); 508 509 $message = preg_replace($match, $replace, $message); 510 } 511 512 /** 513 * Use this event to modify the message after it is decoded 514 * 515 * @event core.decode_message_after 516 * @var string message_text The message content 517 * @var string bbcode_uid The message BBCode UID 518 * @since 3.1.9-RC1 519 */ 520 $message_text = $message; 521 $vars = array('message_text', 'bbcode_uid'); 522 extract($phpbb_dispatcher->trigger_event('core.decode_message_after', compact($vars))); 523 $message = $message_text; 524 } 525 526 /** 527 * Strips all bbcode from a text in place 528 */ 529 function strip_bbcode(&$text, $uid = '') 530 { 531 global $phpbb_container; 532 533 if (preg_match('#^<[rt][ >]#', $text)) 534 { 535 $text = utf8_htmlspecialchars($phpbb_container->get('text_formatter.utils')->clean_formatting($text)); 536 } 537 else 538 { 539 if (!$uid) 540 { 541 $uid = '[0-9a-z]{5,}'; 542 } 543 544 $text = preg_replace("#\[\/?[a-z0-9\*\+\-]+(?:=(?:".*"|[^\]]*))?(?::[a-z])?(\:$uid)\]#", ' ', $text); 545 546 $match = get_preg_expression('bbcode_htm'); 547 $replace = array('\1', '\1', '\2', '\1', '', ''); 548 549 $text = preg_replace($match, $replace, $text); 550 } 551 } 552 553 /** 554 * For display of custom parsed text on user-facing pages 555 * Expects $text to be the value directly from the database (stored value) 556 */ 557 function generate_text_for_display($text, $uid, $bitfield, $flags, $censor_text = true) 558 { 559 static $bbcode; 560 global $auth, $config, $user; 561 global $phpbb_dispatcher, $phpbb_container; 562 563 if ($text === '') 564 { 565 return ''; 566 } 567 568 /** 569 * Use this event to modify the text before it is parsed 570 * 571 * @event core.modify_text_for_display_before 572 * @var string text The text to parse 573 * @var string uid The BBCode UID 574 * @var string bitfield The BBCode Bitfield 575 * @var int flags The BBCode Flags 576 * @var bool censor_text Whether or not to apply word censors 577 * @since 3.1.0-a1 578 */ 579 $vars = array('text', 'uid', 'bitfield', 'flags', 'censor_text'); 580 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_before', compact($vars))); 581 582 if (preg_match('#^<[rt][ >]#', $text)) 583 { 584 $renderer = $phpbb_container->get('text_formatter.renderer'); 585 586 // Temporarily switch off viewcensors if applicable 587 $old_censor = $renderer->get_viewcensors(); 588 589 // Check here if the user is having viewing censors disabled (and also allowed to do so). 590 if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) 591 { 592 $censor_text = false; 593 } 594 595 if ($old_censor !== $censor_text) 596 { 597 $renderer->set_viewcensors($censor_text); 598 } 599 600 $text = $renderer->render($text); 601 602 // Restore the previous value 603 if ($old_censor !== $censor_text) 604 { 605 $renderer->set_viewcensors($old_censor); 606 } 607 } 608 else 609 { 610 if ($censor_text) 611 { 612 $text = censor_text($text); 613 } 614 615 // Parse bbcode if bbcode uid stored and bbcode enabled 616 if ($uid && ($flags & OPTION_FLAG_BBCODE)) 617 { 618 if (!class_exists('bbcode')) 619 { 620 global $phpbb_root_path, $phpEx; 621 include($phpbb_root_path . 'includes/bbcode.' . $phpEx); 622 } 623 624 if (empty($bbcode)) 625 { 626 $bbcode = new bbcode($bitfield); 627 } 628 else 629 { 630 $bbcode->bbcode_set_bitfield($bitfield); 631 } 632 633 $bbcode->bbcode_second_pass($text, $uid); 634 } 635 636 $text = bbcode_nl2br($text); 637 $text = smiley_text($text, !($flags & OPTION_FLAG_SMILIES)); 638 } 639 640 /** 641 * Use this event to modify the text after it is parsed 642 * 643 * @event core.modify_text_for_display_after 644 * @var string text The text to parse 645 * @var string uid The BBCode UID 646 * @var string bitfield The BBCode Bitfield 647 * @var int flags The BBCode Flags 648 * @since 3.1.0-a1 649 */ 650 $vars = array('text', 'uid', 'bitfield', 'flags'); 651 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_after', compact($vars))); 652 653 return $text; 654 } 655 656 /** 657 * For parsing custom parsed text to be stored within the database. 658 * This function additionally returns the uid and bitfield that needs to be stored. 659 * Expects $text to be the value directly from $request->variable() and in it's non-parsed form 660 * 661 * @param string $text The text to be replaced with the parsed one 662 * @param string $uid The BBCode uid for this parse 663 * @param string $bitfield The BBCode bitfield for this parse 664 * @param int $flags The allow_bbcode, allow_urls and allow_smilies compiled into a single integer. 665 * @param bool $allow_bbcode If BBCode is allowed (i.e. if BBCode is parsed) 666 * @param bool $allow_urls If urls is allowed 667 * @param bool $allow_smilies If smilies are allowed 668 * @param bool $allow_img_bbcode 669 * @param bool $allow_flash_bbcode 670 * @param bool $allow_quote_bbcode 671 * @param bool $allow_url_bbcode 672 * @param string $mode Mode to parse text as, e.g. post or sig 673 * 674 * @return array An array of string with the errors that occurred while parsing 675 */ 676 function generate_text_for_storage(&$text, &$uid, &$bitfield, &$flags, $allow_bbcode = false, $allow_urls = false, $allow_smilies = false, $allow_img_bbcode = true, $allow_flash_bbcode = true, $allow_quote_bbcode = true, $allow_url_bbcode = true, $mode = 'post') 677 { 678 global $phpbb_root_path, $phpEx, $phpbb_dispatcher; 679 680 /** 681 * Use this event to modify the text before it is prepared for storage 682 * 683 * @event core.modify_text_for_storage_before 684 * @var string text The text to parse 685 * @var string uid The BBCode UID 686 * @var string bitfield The BBCode Bitfield 687 * @var int flags The BBCode Flags 688 * @var bool allow_bbcode Whether or not to parse BBCode 689 * @var bool allow_urls Whether or not to parse URLs 690 * @var bool allow_smilies Whether or not to parse Smilies 691 * @var bool allow_img_bbcode Whether or not to parse the [img] BBCode 692 * @var bool allow_flash_bbcode Whether or not to parse the [flash] BBCode 693 * @var bool allow_quote_bbcode Whether or not to parse the [quote] BBCode 694 * @var bool allow_url_bbcode Whether or not to parse the [url] BBCode 695 * @var string mode Mode to parse text as, e.g. post or sig 696 * @since 3.1.0-a1 697 * @changed 3.2.0-a1 Added mode 698 */ 699 $vars = array( 700 'text', 701 'uid', 702 'bitfield', 703 'flags', 704 'allow_bbcode', 705 'allow_urls', 706 'allow_smilies', 707 'allow_img_bbcode', 708 'allow_flash_bbcode', 709 'allow_quote_bbcode', 710 'allow_url_bbcode', 711 'mode', 712 ); 713 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_before', compact($vars))); 714 715 $uid = $bitfield = ''; 716 $flags = (($allow_bbcode) ? OPTION_FLAG_BBCODE : 0) + (($allow_smilies) ? OPTION_FLAG_SMILIES : 0) + (($allow_urls) ? OPTION_FLAG_LINKS : 0); 717 718 if (!class_exists('parse_message')) 719 { 720 include($phpbb_root_path . 'includes/message_parser.' . $phpEx); 721 } 722 723 $message_parser = new parse_message($text); 724 $message_parser->parse($allow_bbcode, $allow_urls, $allow_smilies, $allow_img_bbcode, $allow_flash_bbcode, $allow_quote_bbcode, $allow_url_bbcode, true, $mode); 725 726 $text = $message_parser->message; 727 $uid = $message_parser->bbcode_uid; 728 729 // If the bbcode_bitfield is empty, there is no need for the uid to be stored. 730 if (!$message_parser->bbcode_bitfield) 731 { 732 $uid = ''; 733 } 734 735 $bitfield = $message_parser->bbcode_bitfield; 736 737 /** 738 * Use this event to modify the text after it is prepared for storage 739 * 740 * @event core.modify_text_for_storage_after 741 * @var string text The text to parse 742 * @var string uid The BBCode UID 743 * @var string bitfield The BBCode Bitfield 744 * @var int flags The BBCode Flags 745 * @var string message_parser The message_parser object 746 * @since 3.1.0-a1 747 * @changed 3.1.11-RC1 Added message_parser to vars 748 */ 749 $vars = array('text', 'uid', 'bitfield', 'flags', 'message_parser'); 750 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_after', compact($vars))); 751 752 return $message_parser->warn_msg; 753 } 754 755 /** 756 * For decoding custom parsed text for edits as well as extracting the flags 757 * Expects $text to be the value directly from the database (pre-parsed content) 758 */ 759 function generate_text_for_edit($text, $uid, $flags) 760 { 761 global $phpbb_dispatcher; 762 763 /** 764 * Use this event to modify the text before it is decoded for editing 765 * 766 * @event core.modify_text_for_edit_before 767 * @var string text The text to parse 768 * @var string uid The BBCode UID 769 * @var int flags The BBCode Flags 770 * @since 3.1.0-a1 771 */ 772 $vars = array('text', 'uid', 'flags'); 773 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_before', compact($vars))); 774 775 decode_message($text, $uid); 776 777 /** 778 * Use this event to modify the text after it is decoded for editing 779 * 780 * @event core.modify_text_for_edit_after 781 * @var string text The text to parse 782 * @var int flags The BBCode Flags 783 * @since 3.1.0-a1 784 */ 785 $vars = array('text', 'flags'); 786 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_after', compact($vars))); 787 788 return array( 789 'allow_bbcode' => ($flags & OPTION_FLAG_BBCODE) ? 1 : 0, 790 'allow_smilies' => ($flags & OPTION_FLAG_SMILIES) ? 1 : 0, 791 'allow_urls' => ($flags & OPTION_FLAG_LINKS) ? 1 : 0, 792 'text' => $text 793 ); 794 } 795 796 /** 797 * A subroutine of make_clickable used with preg_replace 798 * It places correct HTML around an url, shortens the displayed text 799 * and makes sure no entities are inside URLs 800 */ 801 function make_clickable_callback($type, $whitespace, $url, $relative_url, $class) 802 { 803 $orig_url = $url; 804 $orig_relative = $relative_url; 805 $append = ''; 806 $url = html_entity_decode($url, ENT_COMPAT); 807 $relative_url = html_entity_decode($relative_url, ENT_COMPAT); 808 809 // make sure no HTML entities were matched 810 $chars = array('<', '>', '"'); 811 $split = false; 812 813 foreach ($chars as $char) 814 { 815 $next_split = strpos($url, $char); 816 if ($next_split !== false) 817 { 818 $split = ($split !== false) ? min($split, $next_split) : $next_split; 819 } 820 } 821 822 if ($split !== false) 823 { 824 // an HTML entity was found, so the URL has to end before it 825 $append = substr($url, $split) . $relative_url; 826 $url = substr($url, 0, $split); 827 $relative_url = ''; 828 } 829 else if ($relative_url) 830 { 831 // same for $relative_url 832 $split = false; 833 foreach ($chars as $char) 834 { 835 $next_split = strpos($relative_url, $char); 836 if ($next_split !== false) 837 { 838 $split = ($split !== false) ? min($split, $next_split) : $next_split; 839 } 840 } 841 842 if ($split !== false) 843 { 844 $append = substr($relative_url, $split); 845 $relative_url = substr($relative_url, 0, $split); 846 } 847 } 848 849 // if the last character of the url is a punctuation mark, exclude it from the url 850 $last_char = ($relative_url) ? $relative_url[strlen($relative_url) - 1] : $url[strlen($url) - 1]; 851 852 switch ($last_char) 853 { 854 case '.': 855 case '?': 856 case '!': 857 case ':': 858 case ',': 859 $append = $last_char; 860 if ($relative_url) 861 { 862 $relative_url = substr($relative_url, 0, -1); 863 } 864 else 865 { 866 $url = substr($url, 0, -1); 867 } 868 break; 869 870 // set last_char to empty here, so the variable can be used later to 871 // check whether a character was removed 872 default: 873 $last_char = ''; 874 break; 875 } 876 877 $short_url = (utf8_strlen($url) > 55) ? utf8_substr($url, 0, 39) . ' ... ' . utf8_substr($url, -10) : $url; 878 879 switch ($type) 880 { 881 case MAGIC_URL_LOCAL: 882 $tag = 'l'; 883 $relative_url = preg_replace('/[&?]sid=[0-9a-f]{32}$/', '', preg_replace('/([&?])sid=[0-9a-f]{32}&/', '$1', $relative_url)); 884 $url = $url . '/' . $relative_url; 885 $text = $relative_url; 886 887 // this url goes to http://domain.tld/path/to/board/ which 888 // would result in an empty link if treated as local so 889 // don't touch it and let MAGIC_URL_FULL take care of it. 890 if (!$relative_url) 891 { 892 return $whitespace . $orig_url . '/' . $orig_relative; // slash is taken away by relative url pattern 893 } 894 break; 895 896 case MAGIC_URL_FULL: 897 $tag = 'm'; 898 $text = $short_url; 899 break; 900 901 case MAGIC_URL_WWW: 902 $tag = 'w'; 903 $url = 'http://' . $url; 904 $text = $short_url; 905 break; 906 907 case MAGIC_URL_EMAIL: 908 $tag = 'e'; 909 $text = $short_url; 910 $url = 'mailto:' . $url; 911 break; 912 } 913 914 $url = htmlspecialchars($url, ENT_COMPAT); 915 $text = htmlspecialchars($text, ENT_COMPAT); 916 $append = htmlspecialchars($append, ENT_COMPAT); 917 918 $html = "$whitespace<!-- $tag --><a$class href=\"$url\">$text</a><!-- $tag -->$append"; 919 920 return $html; 921 } 922 923 /** 924 * Replaces magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx. 925 * Cuts down displayed size of link if over 50 chars, turns absolute links 926 * into relative versions when the server/script path matches the link 927 * 928 * @param string $text Message text to parse URL/email entries 929 * @param bool|string $server_url The server URL. If false, the board URL will be used 930 * @param string $class CSS class selector to add to the parsed URL entries 931 * 932 * @return string A text with parsed URL/email entries 933 */ 934 function make_clickable($text, $server_url = false, string $class = 'postlink') 935 { 936 if ($server_url === false) 937 { 938 $server_url = generate_board_url(); 939 } 940 941 static $static_class; 942 static $magic_url_match_args; 943 944 if (!isset($magic_url_match_args[$server_url]) || $static_class != $class) 945 { 946 $static_class = $class; 947 $class = ($static_class) ? ' class="' . $static_class . '"' : ''; 948 $local_class = ($static_class) ? ' class="' . $static_class . '-local"' : ''; 949 950 if (!is_array($magic_url_match_args)) 951 { 952 $magic_url_match_args = array(); 953 } 954 955 // Check if the match for this $server_url and $class already exists 956 $element_exists = false; 957 if (isset($magic_url_match_args[$server_url])) 958 { 959 array_walk_recursive($magic_url_match_args[$server_url], function($value) use (&$element_exists, $static_class) 960 { 961 if ($value == $static_class) 962 { 963 $element_exists = true; 964 return; 965 } 966 } 967 ); 968 } 969 970 // Only add new $server_url and $class matches if not exist 971 if (!$element_exists) 972 { 973 // relative urls for this board 974 $magic_url_match_args[$server_url][] = [ 975 '#(^|[\n\t (>.])(' . preg_quote($server_url, '#') . ')/(' . get_preg_expression('relative_url_inline') . ')#iu', 976 MAGIC_URL_LOCAL, 977 $local_class, 978 $static_class, 979 ]; 980 981 // matches a xxxx://aaaaa.bbb.cccc. ... 982 $magic_url_match_args[$server_url][] = [ 983 '#(^|[\n\t (>.])(' . get_preg_expression('url_inline') . ')#iu', 984 MAGIC_URL_FULL, 985 $class, 986 $static_class, 987 ]; 988 989 // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing 990 $magic_url_match_args[$server_url][] = [ 991 '#(^|[\n\t (>])(' . get_preg_expression('www_url_inline') . ')#iu', 992 MAGIC_URL_WWW, 993 $class, 994 $static_class, 995 ]; 996 } 997 998 if (!isset($magic_url_match_args[$server_url]['email'])) 999 { 1000 // matches an email@domain type address at the start of a line, or after a space or after what might be a BBCode. 1001 $magic_url_match_args[$server_url]['email'] = [ 1002 '/(^|[\n\t (>])(' . get_preg_expression('email') . ')/iu', 1003 MAGIC_URL_EMAIL, 1004 '', 1005 ]; 1006 } 1007 } 1008 1009 foreach ($magic_url_match_args[$server_url] as $magic_args) 1010 { 1011 if (preg_match($magic_args[0], $text, $matches)) 1012 { 1013 // Only apply $class from the corresponding function call argument (excepting emails which never has a class) 1014 if ($magic_args[1] != MAGIC_URL_EMAIL && $magic_args[3] != $static_class) 1015 { 1016 continue; 1017 } 1018 1019 $text = preg_replace_callback($magic_args[0], function($matches) use ($magic_args) 1020 { 1021 $relative_url = isset($matches[3]) ? $matches[3] : ''; 1022 return make_clickable_callback($magic_args[1], $matches[1], $matches[2], $relative_url, $magic_args[2]); 1023 }, $text); 1024 } 1025 } 1026 1027 return $text; 1028 } 1029 1030 /** 1031 * Censoring 1032 */ 1033 function censor_text($text) 1034 { 1035 static $censors; 1036 1037 // Nothing to do? 1038 if ($text === '') 1039 { 1040 return ''; 1041 } 1042 1043 // We moved the word censor checks in here because we call this function quite often - and then only need to do the check once 1044 if (!isset($censors) || !is_array($censors)) 1045 { 1046 global $config, $user, $auth, $cache; 1047 1048 // We check here if the user is having viewing censors disabled (and also allowed to do so). 1049 if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) 1050 { 1051 $censors = array(); 1052 } 1053 else 1054 { 1055 $censors = $cache->obtain_word_list(); 1056 } 1057 } 1058 1059 if (count($censors)) 1060 { 1061 return preg_replace($censors['match'], $censors['replace'], $text); 1062 } 1063 1064 return $text; 1065 } 1066 1067 /** 1068 * custom version of nl2br which takes custom BBCodes into account 1069 */ 1070 function bbcode_nl2br($text) 1071 { 1072 // custom BBCodes might contain carriage returns so they 1073 // are not converted into <br /> so now revert that 1074 $text = str_replace(array("\n", "\r"), array('<br />', "\n"), $text); 1075 return $text; 1076 } 1077 1078 /** 1079 * Smiley processing 1080 */ 1081 function smiley_text($text, $force_option = false) 1082 { 1083 global $config, $user, $phpbb_path_helper, $phpbb_dispatcher; 1084 1085 if ($force_option || !$config['allow_smilies'] || !$user->optionget('viewsmilies')) 1086 { 1087 return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $text); 1088 } 1089 else 1090 { 1091 $root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $phpbb_path_helper->get_web_root_path(); 1092 1093 /** 1094 * Event to override the root_path for smilies 1095 * 1096 * @event core.smiley_text_root_path 1097 * @var string root_path root_path for smilies 1098 * @since 3.1.11-RC1 1099 */ 1100 $vars = array('root_path'); 1101 extract($phpbb_dispatcher->trigger_event('core.smiley_text_root_path', compact($vars))); 1102 return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/(.*?) \/><!\-\- s\1 \-\->#', '<img class="smilies" src="' . $root_path . $config['smilies_path'] . '/\2 />', $text); 1103 } 1104 } 1105 1106 /** 1107 * General attachment parsing 1108 * 1109 * @param mixed $forum_id The forum id the attachments are displayed in (false if in private message) 1110 * @param string &$message The post/private message 1111 * @param array &$attachments The attachments to parse for (inline) display. The attachments array will hold templated data after parsing. 1112 * @param array &$update_count_ary The attachment counts to be updated - will be filled 1113 * @param bool $preview If set to true the attachments are parsed for preview. Within preview mode the comments are fetched from the given $attachments array and not fetched from the database. 1114 */ 1115 function parse_attachments($forum_id, &$message, &$attachments, &$update_count_ary, $preview = false) 1116 { 1117 if (!count($attachments)) 1118 { 1119 return; 1120 } 1121 1122 global $template, $cache, $user, $phpbb_dispatcher; 1123 global $extensions, $config, $phpbb_root_path, $phpEx; 1124 1125 // 1126 $compiled_attachments = array(); 1127 1128 if (!isset($template->filename['attachment_tpl'])) 1129 { 1130 $template->set_filenames(array( 1131 'attachment_tpl' => 'attachment.html') 1132 ); 1133 } 1134 1135 if (empty($extensions) || !is_array($extensions)) 1136 { 1137 $extensions = $cache->obtain_attach_extensions($forum_id); 1138 } 1139 1140 // Look for missing attachment information... 1141 $attach_ids = array(); 1142 foreach ($attachments as $pos => $attachment) 1143 { 1144 // If is_orphan is set, we need to retrieve the attachments again... 1145 if (!isset($attachment['extension']) && !isset($attachment['physical_filename'])) 1146 { 1147 $attach_ids[(int) $attachment['attach_id']] = $pos; 1148 } 1149 } 1150 1151 // Grab attachments (security precaution) 1152 if (count($attach_ids)) 1153 { 1154 global $db; 1155 1156 $new_attachment_data = array(); 1157 1158 $sql = 'SELECT * 1159 FROM ' . ATTACHMENTS_TABLE . ' 1160 WHERE ' . $db->sql_in_set('attach_id', array_keys($attach_ids)); 1161 $result = $db->sql_query($sql); 1162 1163 while ($row = $db->sql_fetchrow($result)) 1164 { 1165 if (!isset($attach_ids[$row['attach_id']])) 1166 { 1167 continue; 1168 } 1169 1170 // If we preview attachments we will set some retrieved values here 1171 if ($preview) 1172 { 1173 $row['attach_comment'] = $attachments[$attach_ids[$row['attach_id']]]['attach_comment']; 1174 } 1175 1176 $new_attachment_data[$attach_ids[$row['attach_id']]] = $row; 1177 } 1178 $db->sql_freeresult($result); 1179 1180 $attachments = $new_attachment_data; 1181 unset($new_attachment_data); 1182 } 1183 1184 // Make sure attachments are properly ordered 1185 ksort($attachments); 1186 1187 foreach ($attachments as $attachment) 1188 { 1189 if (!count($attachment)) 1190 { 1191 continue; 1192 } 1193 1194 // We need to reset/empty the _file block var, because this function might be called more than once 1195 $template->destroy_block_vars('_file'); 1196 1197 $block_array = array(); 1198 1199 // Some basics... 1200 $attachment['extension'] = strtolower(trim($attachment['extension'])); 1201 $filename = $phpbb_root_path . $config['upload_path'] . '/' . utf8_basename($attachment['physical_filename']); 1202 1203 $upload_icon = ''; 1204 $download_link = ''; 1205 $display_cat = false; 1206 1207 if (isset($extensions[$attachment['extension']])) 1208 { 1209 if ($user->img('icon_topic_attach', '') && !$extensions[$attachment['extension']]['upload_icon']) 1210 { 1211 $upload_icon = $user->img('icon_topic_attach', ''); 1212 } 1213 else if ($extensions[$attachment['extension']]['upload_icon']) 1214 { 1215 $upload_icon = '<img src="' . $phpbb_root_path . $config['upload_icons_path'] . '/' . trim($extensions[$attachment['extension']]['upload_icon']) . '" alt="" />'; 1216 } 1217 } 1218 1219 $filesize = get_formatted_filesize($attachment['filesize'], false); 1220 1221 $comment = bbcode_nl2br(censor_text($attachment['attach_comment'])); 1222 1223 $block_array += array( 1224 'UPLOAD_ICON' => $upload_icon, 1225 'FILESIZE' => $filesize['value'], 1226 'SIZE_LANG' => $filesize['unit'], 1227 'DOWNLOAD_NAME' => utf8_basename($attachment['real_filename']), 1228 'COMMENT' => $comment, 1229 ); 1230 1231 $denied = false; 1232 1233 if (!extension_allowed($forum_id, $attachment['extension'], $extensions)) 1234 { 1235 $denied = true; 1236 1237 $block_array += array( 1238 'S_DENIED' => true, 1239 'DENIED_MESSAGE' => sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) 1240 ); 1241 } 1242 1243 if (!$denied) 1244 { 1245 $display_cat = $extensions[$attachment['extension']]['display_cat']; 1246 1247 if ($display_cat == ATTACHMENT_CATEGORY_IMAGE) 1248 { 1249 if ($attachment['thumbnail']) 1250 { 1251 $display_cat = ATTACHMENT_CATEGORY_THUMB; 1252 } 1253 else 1254 { 1255 if ($config['img_display_inlined']) 1256 { 1257 if ($config['img_link_width'] || $config['img_link_height']) 1258 { 1259 $dimension = @getimagesize($filename); 1260 1261 // If the dimensions could not be determined or the image being 0x0 we display it as a link for safety purposes 1262 if ($dimension === false || empty($dimension[0]) || empty($dimension[1])) 1263 { 1264 $display_cat = ATTACHMENT_CATEGORY_NONE; 1265 } 1266 else 1267 { 1268 $display_cat = ($dimension[0] <= $config['img_link_width'] && $dimension[1] <= $config['img_link_height']) ? ATTACHMENT_CATEGORY_IMAGE : ATTACHMENT_CATEGORY_NONE; 1269 } 1270 } 1271 } 1272 else 1273 { 1274 $display_cat = ATTACHMENT_CATEGORY_NONE; 1275 } 1276 } 1277 } 1278 1279 // Make some descisions based on user options being set. 1280 if (($display_cat == ATTACHMENT_CATEGORY_IMAGE || $display_cat == ATTACHMENT_CATEGORY_THUMB) && !$user->optionget('viewimg')) 1281 { 1282 $display_cat = ATTACHMENT_CATEGORY_NONE; 1283 } 1284 1285 $download_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); 1286 $l_downloaded_viewed = 'VIEWED_COUNTS'; 1287 1288 switch ($display_cat) 1289 { 1290 // Images 1291 case ATTACHMENT_CATEGORY_IMAGE: 1292 $inline_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); 1293 $download_link .= '&mode=view'; 1294 1295 $block_array += array( 1296 'S_IMAGE' => true, 1297 'U_INLINE_LINK' => $inline_link, 1298 ); 1299 1300 $update_count_ary[] = $attachment['attach_id']; 1301 break; 1302 1303 // Images, but display Thumbnail 1304 case ATTACHMENT_CATEGORY_THUMB: 1305 $thumbnail_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id'] . '&t=1'); 1306 $download_link .= '&mode=view'; 1307 1308 $block_array += array( 1309 'S_THUMBNAIL' => true, 1310 'THUMB_IMAGE' => $thumbnail_link, 1311 ); 1312 1313 $update_count_ary[] = $attachment['attach_id']; 1314 break; 1315 1316 default: 1317 $l_downloaded_viewed = 'DOWNLOAD_COUNTS'; 1318 1319 $block_array += array( 1320 'S_FILE' => true, 1321 ); 1322 break; 1323 } 1324 1325 if (!isset($attachment['download_count'])) 1326 { 1327 $attachment['download_count'] = 0; 1328 } 1329 1330 $block_array += array( 1331 'U_DOWNLOAD_LINK' => $download_link, 1332 'L_DOWNLOAD_COUNT' => $user->lang($l_downloaded_viewed, (int) $attachment['download_count']), 1333 ); 1334 } 1335 1336 $update_count = $update_count_ary; 1337 /** 1338 * Use this event to modify the attachment template data. 1339 * 1340 * This event is triggered once per attachment. 1341 * 1342 * @event core.parse_attachments_modify_template_data 1343 * @var array attachment Array with attachment data 1344 * @var array block_array Template data of the attachment 1345 * @var int display_cat Attachment category data 1346 * @var string download_link Attachment download link 1347 * @var array extensions Array with attachment extensions data 1348 * @var mixed forum_id The forum id the attachments are displayed in (false if in private message) 1349 * @var bool preview Flag indicating if we are in post preview mode 1350 * @var array update_count Array with attachment ids to update download count 1351 * @since 3.1.0-RC5 1352 */ 1353 $vars = array( 1354 'attachment', 1355 'block_array', 1356 'display_cat', 1357 'download_link', 1358 'extensions', 1359 'forum_id', 1360 'preview', 1361 'update_count', 1362 ); 1363 extract($phpbb_dispatcher->trigger_event('core.parse_attachments_modify_template_data', compact($vars))); 1364 $update_count_ary = $update_count; 1365 unset($update_count, $display_cat, $download_link); 1366 1367 $template->assign_block_vars('_file', $block_array); 1368 1369 $compiled_attachments[] = $template->assign_display('attachment_tpl'); 1370 } 1371 1372 $attachments = $compiled_attachments; 1373 unset($compiled_attachments); 1374 1375 $unset_tpl = array(); 1376 1377 preg_match_all('#<!\-\- ia([0-9]+) \-\->(.*?)<!\-\- ia\1 \-\->#', $message, $matches, PREG_PATTERN_ORDER); 1378 1379 $replace = array(); 1380 foreach ($matches[0] as $num => $capture) 1381 { 1382 $index = $matches[1][$num]; 1383 1384 $replace['from'][] = $matches[0][$num]; 1385 $replace['to'][] = (isset($attachments[$index])) ? $attachments[$index] : sprintf($user->lang['MISSING_INLINE_ATTACHMENT'], $matches[2][array_search($index, $matches[1])]); 1386 1387 $unset_tpl[] = $index; 1388 } 1389 1390 if (isset($replace['from'])) 1391 { 1392 $message = str_replace($replace['from'], $replace['to'], $message); 1393 } 1394 1395 $unset_tpl = array_unique($unset_tpl); 1396 1397 // Sort correctly 1398 if ($config['display_order']) 1399 { 1400 // Ascending sort 1401 krsort($attachments); 1402 } 1403 else 1404 { 1405 // Descending sort 1406 ksort($attachments); 1407 } 1408 1409 // Needed to let not display the inlined attachments at the end of the post again 1410 foreach ($unset_tpl as $index) 1411 { 1412 unset($attachments[$index]); 1413 } 1414 } 1415 1416 /** 1417 * Check if extension is allowed to be posted. 1418 * 1419 * @param mixed $forum_id The forum id to check or false if private message 1420 * @param string $extension The extension to check, for example zip. 1421 * @param array &$extensions The extension array holding the information from the cache (will be obtained if empty) 1422 * 1423 * @return bool False if the extension is not allowed to be posted, else true. 1424 */ 1425 function extension_allowed($forum_id, $extension, &$extensions) 1426 { 1427 if (empty($extensions)) 1428 { 1429 global $cache; 1430 $extensions = $cache->obtain_attach_extensions($forum_id); 1431 } 1432 1433 return (!isset($extensions['_allowed_'][$extension])) ? false : true; 1434 } 1435 1436 /** 1437 * Truncates string while retaining special characters if going over the max length 1438 * The default max length is 60 at the moment 1439 * The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities. 1440 * For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19) 1441 * 1442 * @param string $string The text to truncate to the given length. String is specialchared. 1443 * @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char) 1444 * @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars). 1445 * @param bool $allow_reply Allow Re: in front of string 1446 * NOTE: This parameter can cause undesired behavior (returning strings longer than $max_store_length) and is deprecated. 1447 * @param string $append String to be appended 1448 */ 1449 function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = false, $append = '') 1450 { 1451 $strip_reply = false; 1452 $stripped = false; 1453 if ($allow_reply && strpos($string, 'Re: ') === 0) 1454 { 1455 $strip_reply = true; 1456 $string = substr($string, 4); 1457 } 1458 1459 $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); 1460 $chars = array_map('utf8_htmlspecialchars', $_chars); 1461 1462 // Now check the length ;) 1463 if (count($chars) > $max_length) 1464 { 1465 // Cut off the last elements from the array 1466 $string = implode('', array_slice($chars, 0, $max_length - utf8_strlen($append))); 1467 $stripped = true; 1468 } 1469 1470 // Due to specialchars, we may not be able to store the string... 1471 if (utf8_strlen($string) > $max_store_length) 1472 { 1473 // let's split again, we do not want half-baked strings where entities are split 1474 $_chars = utf8_str_split(html_entity_decode($string, ENT_COMPAT)); 1475 $chars = array_map('utf8_htmlspecialchars', $_chars); 1476 1477 do 1478 { 1479 array_pop($chars); 1480 $string = implode('', $chars); 1481 } 1482 while (!empty($chars) && utf8_strlen($string) > $max_store_length); 1483 } 1484 1485 if ($strip_reply) 1486 { 1487 $string = 'Re: ' . $string; 1488 } 1489 1490 if ($append != '' && $stripped) 1491 { 1492 $string = $string . $append; 1493 } 1494 1495 return $string; 1496 } 1497 1498 /** 1499 * Get username details for placing into templates. 1500 * This function caches all modes on first call, except for no_profile and anonymous user - determined by $user_id. 1501 * 1502 * @html Username spans and links 1503 * 1504 * @param string $mode Can be profile (for getting an url to the profile), username (for obtaining the username), colour (for obtaining the user colour), full (for obtaining a html string representing a coloured link to the users profile) or no_profile (the same as full but forcing no profile link) 1505 * @param int $user_id The users id 1506 * @param string $username The users name 1507 * @param string $username_colour The users colour 1508 * @param string $guest_username optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then. 1509 * @param string $custom_profile_url optional parameter to specify a profile url. The user id get appended to this url as &u={user_id} 1510 * 1511 * @return string A string consisting of what is wanted based on $mode. 1512 */ 1513 function get_username_string($mode, $user_id, $username, $username_colour = '', $guest_username = false, $custom_profile_url = false) 1514 { 1515 static $_profile_cache; 1516 global $phpbb_dispatcher; 1517 1518 // We cache some common variables we need within this function 1519 if (empty($_profile_cache)) 1520 { 1521 global $phpbb_root_path, $phpEx; 1522 1523 /** @html Username spans and links for usage in the template */ 1524 $_profile_cache['base_url'] = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&u={USER_ID}'); 1525 $_profile_cache['tpl_noprofile'] = '<span class="username">{USERNAME}</span>'; 1526 $_profile_cache['tpl_noprofile_colour'] = '<span style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</span>'; 1527 $_profile_cache['tpl_profile'] = '<a href="{PROFILE_URL}" class="username">{USERNAME}</a>'; 1528 $_profile_cache['tpl_profile_colour'] = '<a href="{PROFILE_URL}" style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</a>'; 1529 } 1530 1531 global $user, $auth; 1532 1533 // This switch makes sure we only run code required for the mode 1534 switch ($mode) 1535 { 1536 case 'full': 1537 case 'no_profile': 1538 case 'colour': 1539 1540 // Build correct username colour 1541 $username_colour = ($username_colour) ? '#' . $username_colour : ''; 1542 1543 // Return colour 1544 if ($mode == 'colour') 1545 { 1546 $username_string = $username_colour; 1547 break; 1548 } 1549 1550 // no break; 1551 1552 case 'username': 1553 1554 // Build correct username 1555 if ($guest_username === false) 1556 { 1557 $username = ($username) ? $username : $user->lang['GUEST']; 1558 } 1559 else 1560 { 1561 $username = ($user_id && $user_id != ANONYMOUS) ? $username : ((!empty($guest_username)) ? $guest_username : $user->lang['GUEST']); 1562 } 1563 1564 // Return username 1565 if ($mode == 'username') 1566 { 1567 $username_string = $username; 1568 break; 1569 } 1570 1571 // no break; 1572 1573 case 'profile': 1574 1575 // Build correct profile url - only show if not anonymous and permission to view profile if registered user 1576 // For anonymous the link leads to a login page. 1577 if ($user_id && $user_id != ANONYMOUS && ($user->data['user_id'] == ANONYMOUS || $auth->acl_get('u_viewprofile'))) 1578 { 1579 $profile_url = ($custom_profile_url !== false) ? $custom_profile_url . '&u=' . (int) $user_id : str_replace(array('={USER_ID}', '=%7BUSER_ID%7D'), '=' . (int) $user_id, $_profile_cache['base_url']); 1580 } 1581 else 1582 { 1583 $profile_url = ''; 1584 } 1585 1586 // Return profile 1587 if ($mode == 'profile') 1588 { 1589 $username_string = $profile_url; 1590 break; 1591 } 1592 1593 // no break; 1594 } 1595 1596 if (!isset($username_string)) 1597 { 1598 if (($mode == 'full' && !$profile_url) || $mode == 'no_profile') 1599 { 1600 $username_string = str_replace(array('{USERNAME_COLOUR}', '{USERNAME}'), array($username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_noprofile'] : $_profile_cache['tpl_noprofile_colour']); 1601 } 1602 else 1603 { 1604 $username_string = str_replace(array('{PROFILE_URL}', '{USERNAME_COLOUR}', '{USERNAME}'), array($profile_url, $username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_profile'] : $_profile_cache['tpl_profile_colour']); 1605 } 1606 } 1607 1608 /** 1609 * Use this event to change the output of get_username_string() 1610 * 1611 * @event core.modify_username_string 1612 * @var string mode profile|username|colour|full|no_profile 1613 * @var int user_id String or array of additional url 1614 * parameters 1615 * @var string username The user's username 1616 * @var string username_colour The user's colour 1617 * @var string guest_username Optional parameter to specify the 1618 * guest username. 1619 * @var string custom_profile_url Optional parameter to specify a 1620 * profile url. 1621 * @var string username_string The string that has been generated 1622 * @var array _profile_cache Array of original return templates 1623 * @since 3.1.0-a1 1624 */ 1625 $vars = array( 1626 'mode', 1627 'user_id', 1628 'username', 1629 'username_colour', 1630 'guest_username', 1631 'custom_profile_url', 1632 'username_string', 1633 '_profile_cache', 1634 ); 1635 extract($phpbb_dispatcher->trigger_event('core.modify_username_string', compact($vars))); 1636 1637 return $username_string; 1638 } 1639 1640 /** 1641 * Add an option to the quick-mod tools. 1642 * 1643 * @param string $url The recepting URL for the quickmod actions. 1644 * @param string $option The language key for the value of the option. 1645 * @param string $lang_string The language string to use. 1646 */ 1647 function phpbb_add_quickmod_option($url, $option, $lang_string) 1648 { 1649 global $template, $user, $phpbb_path_helper; 1650 1651 $lang_string = $user->lang($lang_string); 1652 $template->assign_block_vars('quickmod', array( 1653 'VALUE' => $option, 1654 'TITLE' => $lang_string, 1655 'LINK' => $phpbb_path_helper->append_url_params($url, array('action' => $option)), 1656 )); 1657 } 1658 1659 /** 1660 * Concatenate an array into a string list. 1661 * 1662 * @param array $items Array of items to concatenate 1663 * @param object $user The phpBB $user object. 1664 * 1665 * @return string String list. Examples: "A"; "A and B"; "A, B, and C" 1666 */ 1667 function phpbb_generate_string_list($items, $user) 1668 { 1669 if (empty($items)) 1670 { 1671 return ''; 1672 } 1673 1674 $count = count($items); 1675 $last_item = array_pop($items); 1676 $lang_key = 'STRING_LIST_MULTI'; 1677 1678 if ($count == 1) 1679 { 1680 return $last_item; 1681 } 1682 else if ($count == 2) 1683 { 1684 $lang_key = 'STRING_LIST_SIMPLE'; 1685 } 1686 $list = implode($user->lang['COMMA_SEPARATOR'], $items); 1687 1688 return $user->lang($lang_key, $list, $last_item); 1689 } 1690 1691 class bitfield 1692 { 1693 var $data; 1694 1695 function __construct($bitfield = '') 1696 { 1697 $this->data = base64_decode($bitfield); 1698 } 1699 1700 /** 1701 */ 1702 function get($n) 1703 { 1704 // Get the ($n / 8)th char 1705 $byte = $n >> 3; 1706 1707 if (strlen($this->data) >= $byte + 1) 1708 { 1709 $c = $this->data[$byte]; 1710 1711 // Lookup the ($n % 8)th bit of the byte 1712 $bit = 7 - ($n & 7); 1713 return (bool) (ord($c) & (1 << $bit)); 1714 } 1715 else 1716 { 1717 return false; 1718 } 1719 } 1720 1721 function set($n) 1722 { 1723 $byte = $n >> 3; 1724 $bit = 7 - ($n & 7); 1725 1726 if (strlen($this->data) >= $byte + 1) 1727 { 1728 $this->data[$byte] = $this->data[$byte] | chr(1 << $bit); 1729 } 1730 else 1731 { 1732 $this->data .= str_repeat("\0", $byte - strlen($this->data)); 1733 $this->data .= chr(1 << $bit); 1734 } 1735 } 1736 1737 function clear($n) 1738 { 1739 $byte = $n >> 3; 1740 1741 if (strlen($this->data) >= $byte + 1) 1742 { 1743 $bit = 7 - ($n & 7); 1744 $this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit); 1745 } 1746 } 1747 1748 function get_blob() 1749 { 1750 return $this->data; 1751 } 1752 1753 function get_base64() 1754 { 1755 return base64_encode($this->data); 1756 } 1757 1758 function get_bin() 1759 { 1760 $bin = ''; 1761 $len = strlen($this->data); 1762 1763 for ($i = 0; $i < $len; ++$i) 1764 { 1765 $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT); 1766 } 1767 1768 return $bin; 1769 } 1770 1771 function get_all_set() 1772 { 1773 return array_keys(array_filter(str_split($this->get_bin()))); 1774 } 1775 1776 function merge($bitfield) 1777 { 1778 $this->data = $this->data | $bitfield->get_blob(); 1779 } 1780 } 1781 1782 /** 1783 * Formats the quote according to the given BBCode status setting 1784 * 1785 * @param phpbb\language\language $language Language class 1786 * @param parse_message $message_parser Message parser class 1787 * @param phpbb\textformatter\utils_interface $text_formatter_utils Text formatter utilities 1788 * @param bool $bbcode_status The status of the BBCode setting 1789 * @param array $quote_attributes The attributes of the quoted post 1790 * @param string $message_link Link of the original quoted post 1791 */ 1792 function phpbb_format_quote($language, $message_parser, $text_formatter_utils, $bbcode_status, $quote_attributes, $message_link = '') 1793 { 1794 if ($bbcode_status) 1795 { 1796 $quote_text = $text_formatter_utils->generate_quote( 1797 censor_text($message_parser->message), 1798 $quote_attributes 1799 ); 1800 1801 $message_parser->message = $quote_text . "\n\n"; 1802 } 1803 else 1804 { 1805 $offset = 0; 1806 $quote_string = "> "; 1807 $message = censor_text(trim($message_parser->message)); 1808 // see if we are nesting. It's easily tricked but should work for one level of nesting 1809 if (strpos($message, ">") !== false) 1810 { 1811 $offset = 10; 1812 } 1813 $message = utf8_wordwrap($message, 75 + $offset, "\n"); 1814 1815 $message = $quote_string . $message; 1816 $message = str_replace("\n", "\n" . $quote_string, $message); 1817 1818 $message_parser->message = $quote_attributes['author'] . " " . $language->lang('WROTE') . ":\n" . $message . "\n"; 1819 } 1820 1821 if ($message_link) 1822 { 1823 $message_parser->message = $message_link . $message_parser->message; 1824 } 1825 }
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| Generated: Wed Feb 22 20:16:20 2023 | Cross-referenced by PHPXref 0.7.1 |