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PHP Cross Reference of phpBB-3.1.12-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 $word_indizes = array(); 339 if (sizeof($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 (sizeof($word_indizes)) 365 { 366 $word_indizes = array_unique($word_indizes); 367 sort($word_indizes); 368 369 $wordnum = sizeof($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, $final_text); 434 } 435 } 436 437 if (!sizeof($words) || !sizeof($word_indizes)) 438 { 439 return str_replace($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 $search_string; 458 } 459 460 /** 461 * Decode text whereby text is coming from the db and expected to be pre-parsed content 462 * We are placing this outside of the message parser because we are often in need of it... 463 */ 464 function decode_message(&$message, $bbcode_uid = '') 465 { 466 global $config, $phpbb_dispatcher; 467 468 if ($bbcode_uid) 469 { 470 $match = array('<br />', "[/*:m:$bbcode_uid]", ":u:$bbcode_uid", ":o:$bbcode_uid", ":$bbcode_uid"); 471 $replace = array("\n", '', '', '', ''); 472 } 473 else 474 { 475 $match = array('<br />'); 476 $replace = array("\n"); 477 } 478 479 /** 480 * Use this event to modify the message before it is decoded 481 * 482 * @event core.decode_message_before 483 * @var string message_text The message content 484 * @var string bbcode_uid The message BBCode UID 485 * @since 3.1.9-RC1 486 */ 487 $message_text = $message; 488 $vars = array('message_text', 'bbcode_uid'); 489 extract($phpbb_dispatcher->trigger_event('core.decode_message_before', compact($vars))); 490 $message = $message_text; 491 492 $message = str_replace($match, $replace, $message); 493 494 $match = get_preg_expression('bbcode_htm'); 495 $replace = array('\1', '\1', '\2', '\1', '', ''); 496 497 $message = preg_replace($match, $replace, $message); 498 499 /** 500 * Use this event to modify the message after it is decoded 501 * 502 * @event core.decode_message_after 503 * @var string message_text The message content 504 * @var string bbcode_uid The message BBCode UID 505 * @since 3.1.9-RC1 506 */ 507 $message_text = $message; 508 $vars = array('message_text', 'bbcode_uid'); 509 extract($phpbb_dispatcher->trigger_event('core.decode_message_after', compact($vars))); 510 $message = $message_text; 511 } 512 513 /** 514 * Strips all bbcode from a text and returns the plain content 515 */ 516 function strip_bbcode(&$text, $uid = '') 517 { 518 if (!$uid) 519 { 520 $uid = '[0-9a-z]{5,}'; 521 } 522 523 $text = preg_replace("#\[\/?[a-z0-9\*\+\-]+(?:=(?:".*"|[^\]]*))?(?::[a-z])?(\:$uid)\]#", ' ', $text); 524 525 $match = get_preg_expression('bbcode_htm'); 526 $replace = array('\1', '\1', '\2', '\1', '', ''); 527 528 $text = preg_replace($match, $replace, $text); 529 } 530 531 /** 532 * For display of custom parsed text on user-facing pages 533 * Expects $text to be the value directly from the database (stored value) 534 */ 535 function generate_text_for_display($text, $uid, $bitfield, $flags, $censor_text = true) 536 { 537 static $bbcode; 538 global $phpbb_dispatcher; 539 540 if ($text === '') 541 { 542 return ''; 543 } 544 545 /** 546 * Use this event to modify the text before it is parsed 547 * 548 * @event core.modify_text_for_display_before 549 * @var string text The text to parse 550 * @var string uid The BBCode UID 551 * @var string bitfield The BBCode Bitfield 552 * @var int flags The BBCode Flags 553 * @var bool censor_text Whether or not to apply word censors 554 * @since 3.1.0-a1 555 */ 556 $vars = array('text', 'uid', 'bitfield', 'flags', 'censor_text'); 557 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_before', compact($vars))); 558 559 if ($censor_text) 560 { 561 $text = censor_text($text); 562 } 563 564 // Parse bbcode if bbcode uid stored and bbcode enabled 565 if ($uid && ($flags & OPTION_FLAG_BBCODE)) 566 { 567 if (!class_exists('bbcode')) 568 { 569 global $phpbb_root_path, $phpEx; 570 include($phpbb_root_path . 'includes/bbcode.' . $phpEx); 571 } 572 573 if (empty($bbcode)) 574 { 575 $bbcode = new bbcode($bitfield); 576 } 577 else 578 { 579 $bbcode->bbcode($bitfield); 580 } 581 582 $bbcode->bbcode_second_pass($text, $uid); 583 } 584 585 $text = bbcode_nl2br($text); 586 $text = smiley_text($text, !($flags & OPTION_FLAG_SMILIES)); 587 588 /** 589 * Use this event to modify the text after it is parsed 590 * 591 * @event core.modify_text_for_display_after 592 * @var string text The text to parse 593 * @var string uid The BBCode UID 594 * @var string bitfield The BBCode Bitfield 595 * @var int flags The BBCode Flags 596 * @since 3.1.0-a1 597 */ 598 $vars = array('text', 'uid', 'bitfield', 'flags'); 599 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_display_after', compact($vars))); 600 601 return $text; 602 } 603 604 /** 605 * For parsing custom parsed text to be stored within the database. 606 * This function additionally returns the uid and bitfield that needs to be stored. 607 * Expects $text to be the value directly from request_var() and in it's non-parsed form 608 * 609 * @param string $text The text to be replaced with the parsed one 610 * @param string $uid The BBCode uid for this parse 611 * @param string $bitfield The BBCode bitfield for this parse 612 * @param int $flags The allow_bbcode, allow_urls and allow_smilies compiled into a single integer. 613 * @param bool $allow_bbcode If BBCode is allowed (i.e. if BBCode is parsed) 614 * @param bool $allow_urls If urls is allowed 615 * @param bool $allow_smilies If smilies are allowed 616 * 617 * @return array An array of string with the errors that occurred while parsing 618 */ 619 function generate_text_for_storage(&$text, &$uid, &$bitfield, &$flags, $allow_bbcode = false, $allow_urls = false, $allow_smilies = false) 620 { 621 global $phpbb_root_path, $phpEx, $phpbb_dispatcher; 622 623 /** 624 * Use this event to modify the text before it is prepared for storage 625 * 626 * @event core.modify_text_for_storage_before 627 * @var string text The text to parse 628 * @var string uid The BBCode UID 629 * @var string bitfield The BBCode Bitfield 630 * @var int flags The BBCode Flags 631 * @var bool allow_bbcode Whether or not to parse BBCode 632 * @var bool allow_urls Whether or not to parse URLs 633 * @var bool allow_smilies Whether or not to parse Smilies 634 * @since 3.1.0-a1 635 */ 636 $vars = array( 637 'text', 638 'uid', 639 'bitfield', 640 'flags', 641 'allow_bbcode', 642 'allow_urls', 643 'allow_smilies', 644 ); 645 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_before', compact($vars))); 646 647 $uid = $bitfield = ''; 648 $flags = (($allow_bbcode) ? OPTION_FLAG_BBCODE : 0) + (($allow_smilies) ? OPTION_FLAG_SMILIES : 0) + (($allow_urls) ? OPTION_FLAG_LINKS : 0); 649 650 if ($text === '') 651 { 652 return; 653 } 654 655 if (!class_exists('parse_message')) 656 { 657 include($phpbb_root_path . 'includes/message_parser.' . $phpEx); 658 } 659 660 $message_parser = new parse_message($text); 661 $message_parser->parse($allow_bbcode, $allow_urls, $allow_smilies); 662 663 $text = $message_parser->message; 664 $uid = $message_parser->bbcode_uid; 665 666 // If the bbcode_bitfield is empty, there is no need for the uid to be stored. 667 if (!$message_parser->bbcode_bitfield) 668 { 669 $uid = ''; 670 } 671 672 $bitfield = $message_parser->bbcode_bitfield; 673 674 /** 675 * Use this event to modify the text after it is prepared for storage 676 * 677 * @event core.modify_text_for_storage_after 678 * @var string text The text to parse 679 * @var string uid The BBCode UID 680 * @var string bitfield The BBCode Bitfield 681 * @var int flags The BBCode Flags 682 * @var string message_parser The message_parser object 683 * @since 3.1.0-a1 684 * @changed 3.1.11-RC1 Added message_parser to vars 685 */ 686 $vars = array('text', 'uid', 'bitfield', 'flags', 'message_parser'); 687 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_storage_after', compact($vars))); 688 689 return $message_parser->warn_msg; 690 } 691 692 /** 693 * For decoding custom parsed text for edits as well as extracting the flags 694 * Expects $text to be the value directly from the database (pre-parsed content) 695 */ 696 function generate_text_for_edit($text, $uid, $flags) 697 { 698 global $phpbb_root_path, $phpEx, $phpbb_dispatcher; 699 700 /** 701 * Use this event to modify the text before it is decoded for editing 702 * 703 * @event core.modify_text_for_edit_before 704 * @var string text The text to parse 705 * @var string uid The BBCode UID 706 * @var int flags The BBCode Flags 707 * @since 3.1.0-a1 708 */ 709 $vars = array('text', 'uid', 'flags'); 710 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_before', compact($vars))); 711 712 decode_message($text, $uid); 713 714 /** 715 * Use this event to modify the text after it is decoded for editing 716 * 717 * @event core.modify_text_for_edit_after 718 * @var string text The text to parse 719 * @var int flags The BBCode Flags 720 * @since 3.1.0-a1 721 */ 722 $vars = array('text', 'flags'); 723 extract($phpbb_dispatcher->trigger_event('core.modify_text_for_edit_after', compact($vars))); 724 725 return array( 726 'allow_bbcode' => ($flags & OPTION_FLAG_BBCODE) ? 1 : 0, 727 'allow_smilies' => ($flags & OPTION_FLAG_SMILIES) ? 1 : 0, 728 'allow_urls' => ($flags & OPTION_FLAG_LINKS) ? 1 : 0, 729 'text' => $text 730 ); 731 } 732 733 /** 734 * A subroutine of make_clickable used with preg_replace 735 * It places correct HTML around an url, shortens the displayed text 736 * and makes sure no entities are inside URLs 737 */ 738 function make_clickable_callback($type, $whitespace, $url, $relative_url, $class) 739 { 740 $orig_url = $url; 741 $orig_relative = $relative_url; 742 $append = ''; 743 $url = htmlspecialchars_decode($url); 744 $relative_url = htmlspecialchars_decode($relative_url); 745 746 // make sure no HTML entities were matched 747 $chars = array('<', '>', '"'); 748 $split = false; 749 750 foreach ($chars as $char) 751 { 752 $next_split = strpos($url, $char); 753 if ($next_split !== false) 754 { 755 $split = ($split !== false) ? min($split, $next_split) : $next_split; 756 } 757 } 758 759 if ($split !== false) 760 { 761 // an HTML entity was found, so the URL has to end before it 762 $append = substr($url, $split) . $relative_url; 763 $url = substr($url, 0, $split); 764 $relative_url = ''; 765 } 766 else if ($relative_url) 767 { 768 // same for $relative_url 769 $split = false; 770 foreach ($chars as $char) 771 { 772 $next_split = strpos($relative_url, $char); 773 if ($next_split !== false) 774 { 775 $split = ($split !== false) ? min($split, $next_split) : $next_split; 776 } 777 } 778 779 if ($split !== false) 780 { 781 $append = substr($relative_url, $split); 782 $relative_url = substr($relative_url, 0, $split); 783 } 784 } 785 786 // if the last character of the url is a punctuation mark, exclude it from the url 787 $last_char = ($relative_url) ? $relative_url[strlen($relative_url) - 1] : $url[strlen($url) - 1]; 788 789 switch ($last_char) 790 { 791 case '.': 792 case '?': 793 case '!': 794 case ':': 795 case ',': 796 $append = $last_char; 797 if ($relative_url) 798 { 799 $relative_url = substr($relative_url, 0, -1); 800 } 801 else 802 { 803 $url = substr($url, 0, -1); 804 } 805 break; 806 807 // set last_char to empty here, so the variable can be used later to 808 // check whether a character was removed 809 default: 810 $last_char = ''; 811 break; 812 } 813 814 $short_url = (utf8_strlen($url) > 55) ? utf8_substr($url, 0, 39) . ' ... ' . utf8_substr($url, -10) : $url; 815 816 switch ($type) 817 { 818 case MAGIC_URL_LOCAL: 819 $tag = 'l'; 820 $relative_url = preg_replace('/[&?]sid=[0-9a-f]{32}$/', '', preg_replace('/([&?])sid=[0-9a-f]{32}&/', '$1', $relative_url)); 821 $url = $url . '/' . $relative_url; 822 $text = $relative_url; 823 824 // this url goes to http://domain.tld/path/to/board/ which 825 // would result in an empty link if treated as local so 826 // don't touch it and let MAGIC_URL_FULL take care of it. 827 if (!$relative_url) 828 { 829 return $whitespace . $orig_url . '/' . $orig_relative; // slash is taken away by relative url pattern 830 } 831 break; 832 833 case MAGIC_URL_FULL: 834 $tag = 'm'; 835 $text = $short_url; 836 break; 837 838 case MAGIC_URL_WWW: 839 $tag = 'w'; 840 $url = 'http://' . $url; 841 $text = $short_url; 842 break; 843 844 case MAGIC_URL_EMAIL: 845 $tag = 'e'; 846 $text = $short_url; 847 $url = 'mailto:' . $url; 848 break; 849 } 850 851 $url = htmlspecialchars($url); 852 $text = htmlspecialchars($text); 853 $append = htmlspecialchars($append); 854 855 $html = "$whitespace<!-- $tag --><a$class href=\"$url\">$text</a><!-- $tag -->$append"; 856 857 return $html; 858 } 859 860 /** 861 * make_clickable function 862 * 863 * Replace magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx. 864 * Cuts down displayed size of link if over 50 chars, turns absolute links 865 * into relative versions when the server/script path matches the link 866 */ 867 function make_clickable($text, $server_url = false, $class = 'postlink') 868 { 869 if ($server_url === false) 870 { 871 $server_url = generate_board_url(); 872 } 873 874 static $static_class; 875 static $magic_url_match_args; 876 877 if (!isset($magic_url_match_args[$server_url]) || $static_class != $class) 878 { 879 $static_class = $class; 880 $class = ($static_class) ? ' class="' . $static_class . '"' : ''; 881 $local_class = ($static_class) ? ' class="' . $static_class . '-local"' : ''; 882 883 if (!is_array($magic_url_match_args)) 884 { 885 $magic_url_match_args = array(); 886 } 887 888 // relative urls for this board 889 $magic_url_match_args[$server_url][] = array( 890 '#(^|[\n\t (>.])(' . preg_quote($server_url, '#') . ')/(' . get_preg_expression('relative_url_inline') . ')#iu', 891 MAGIC_URL_LOCAL, 892 $local_class, 893 ); 894 895 // matches a xxxx://aaaaa.bbb.cccc. ... 896 $magic_url_match_args[$server_url][] = array( 897 '#(^|[\n\t (>.])(' . get_preg_expression('url_inline') . ')#iu', 898 MAGIC_URL_FULL, 899 $class, 900 ); 901 902 // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing 903 $magic_url_match_args[$server_url][] = array( 904 '#(^|[\n\t (>])(' . get_preg_expression('www_url_inline') . ')#iu', 905 MAGIC_URL_WWW, 906 $class, 907 ); 908 909 // matches an email@domain type address at the start of a line, or after a space or after what might be a BBCode. 910 $magic_url_match_args[$server_url][] = array( 911 '/(^|[\n\t (>])(' . get_preg_expression('email') . ')/iu', 912 MAGIC_URL_EMAIL, 913 '', 914 ); 915 } 916 917 foreach ($magic_url_match_args[$server_url] as $magic_args) 918 { 919 if (preg_match($magic_args[0], $text, $matches)) 920 { 921 $text = preg_replace_callback($magic_args[0], function($matches) use ($magic_args) 922 { 923 $relative_url = isset($matches[3]) ? $matches[3] : ''; 924 return make_clickable_callback($magic_args[1], $matches[1], $matches[2], $relative_url, $magic_args[2]); 925 }, $text); 926 } 927 } 928 929 return $text; 930 } 931 932 /** 933 * Censoring 934 */ 935 function censor_text($text) 936 { 937 static $censors; 938 939 // Nothing to do? 940 if ($text === '') 941 { 942 return ''; 943 } 944 945 // We moved the word censor checks in here because we call this function quite often - and then only need to do the check once 946 if (!isset($censors) || !is_array($censors)) 947 { 948 global $config, $user, $auth, $cache; 949 950 // We check here if the user is having viewing censors disabled (and also allowed to do so). 951 if (!$user->optionget('viewcensors') && $config['allow_nocensors'] && $auth->acl_get('u_chgcensors')) 952 { 953 $censors = array(); 954 } 955 else 956 { 957 $censors = $cache->obtain_word_list(); 958 } 959 } 960 961 if (sizeof($censors)) 962 { 963 return preg_replace($censors['match'], $censors['replace'], $text); 964 } 965 966 return $text; 967 } 968 969 /** 970 * custom version of nl2br which takes custom BBCodes into account 971 */ 972 function bbcode_nl2br($text) 973 { 974 // custom BBCodes might contain carriage returns so they 975 // are not converted into <br /> so now revert that 976 $text = str_replace(array("\n", "\r"), array('<br />', "\n"), $text); 977 return $text; 978 } 979 980 /** 981 * Smiley processing 982 */ 983 function smiley_text($text, $force_option = false) 984 { 985 global $config, $user, $phpbb_path_helper, $phpbb_dispatcher; 986 987 if ($force_option || !$config['allow_smilies'] || !$user->optionget('viewsmilies')) 988 { 989 return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $text); 990 } 991 else 992 { 993 $root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $phpbb_path_helper->get_web_root_path(); 994 995 /** 996 * Event to override the root_path for smilies 997 * 998 * @event core.smiley_text_root_path 999 * @var string root_path root_path for smilies 1000 * @since 3.1.11-RC1 1001 */ 1002 $vars = array('root_path'); 1003 extract($phpbb_dispatcher->trigger_event('core.smiley_text_root_path', compact($vars))); 1004 return preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILIES_PATH\}\/(.*?) \/><!\-\- s\1 \-\->#', '<img class="smilies" src="' . $root_path . $config['smilies_path'] . '/\2 />', $text); 1005 } 1006 } 1007 1008 /** 1009 * General attachment parsing 1010 * 1011 * @param mixed $forum_id The forum id the attachments are displayed in (false if in private message) 1012 * @param string &$message The post/private message 1013 * @param array &$attachments The attachments to parse for (inline) display. The attachments array will hold templated data after parsing. 1014 * @param array &$update_count The attachment counts to be updated - will be filled 1015 * @param bool $preview If set to true the attachments are parsed for preview. Within preview mode the comments are fetched from the given $attachments array and not fetched from the database. 1016 */ 1017 function parse_attachments($forum_id, &$message, &$attachments, &$update_count, $preview = false) 1018 { 1019 if (!sizeof($attachments)) 1020 { 1021 return; 1022 } 1023 1024 global $template, $cache, $user, $phpbb_dispatcher; 1025 global $extensions, $config, $phpbb_root_path, $phpEx; 1026 1027 // 1028 $compiled_attachments = array(); 1029 1030 if (!isset($template->filename['attachment_tpl'])) 1031 { 1032 $template->set_filenames(array( 1033 'attachment_tpl' => 'attachment.html') 1034 ); 1035 } 1036 1037 if (empty($extensions) || !is_array($extensions)) 1038 { 1039 $extensions = $cache->obtain_attach_extensions($forum_id); 1040 } 1041 1042 // Look for missing attachment information... 1043 $attach_ids = array(); 1044 foreach ($attachments as $pos => $attachment) 1045 { 1046 // If is_orphan is set, we need to retrieve the attachments again... 1047 if (!isset($attachment['extension']) && !isset($attachment['physical_filename'])) 1048 { 1049 $attach_ids[(int) $attachment['attach_id']] = $pos; 1050 } 1051 } 1052 1053 // Grab attachments (security precaution) 1054 if (sizeof($attach_ids)) 1055 { 1056 global $db; 1057 1058 $new_attachment_data = array(); 1059 1060 $sql = 'SELECT * 1061 FROM ' . ATTACHMENTS_TABLE . ' 1062 WHERE ' . $db->sql_in_set('attach_id', array_keys($attach_ids)); 1063 $result = $db->sql_query($sql); 1064 1065 while ($row = $db->sql_fetchrow($result)) 1066 { 1067 if (!isset($attach_ids[$row['attach_id']])) 1068 { 1069 continue; 1070 } 1071 1072 // If we preview attachments we will set some retrieved values here 1073 if ($preview) 1074 { 1075 $row['attach_comment'] = $attachments[$attach_ids[$row['attach_id']]]['attach_comment']; 1076 } 1077 1078 $new_attachment_data[$attach_ids[$row['attach_id']]] = $row; 1079 } 1080 $db->sql_freeresult($result); 1081 1082 $attachments = $new_attachment_data; 1083 unset($new_attachment_data); 1084 } 1085 1086 // Make sure attachments are properly ordered 1087 ksort($attachments); 1088 1089 foreach ($attachments as $attachment) 1090 { 1091 if (!sizeof($attachment)) 1092 { 1093 continue; 1094 } 1095 1096 // We need to reset/empty the _file block var, because this function might be called more than once 1097 $template->destroy_block_vars('_file'); 1098 1099 $block_array = array(); 1100 1101 // Some basics... 1102 $attachment['extension'] = strtolower(trim($attachment['extension'])); 1103 $filename = $phpbb_root_path . $config['upload_path'] . '/' . utf8_basename($attachment['physical_filename']); 1104 $thumbnail_filename = $phpbb_root_path . $config['upload_path'] . '/thumb_' . utf8_basename($attachment['physical_filename']); 1105 1106 $upload_icon = ''; 1107 1108 if (isset($extensions[$attachment['extension']])) 1109 { 1110 if ($user->img('icon_topic_attach', '') && !$extensions[$attachment['extension']]['upload_icon']) 1111 { 1112 $upload_icon = $user->img('icon_topic_attach', ''); 1113 } 1114 else if ($extensions[$attachment['extension']]['upload_icon']) 1115 { 1116 $upload_icon = '<img src="' . $phpbb_root_path . $config['upload_icons_path'] . '/' . trim($extensions[$attachment['extension']]['upload_icon']) . '" alt="" />'; 1117 } 1118 } 1119 1120 $filesize = get_formatted_filesize($attachment['filesize'], false); 1121 1122 $comment = bbcode_nl2br(censor_text($attachment['attach_comment'])); 1123 1124 $block_array += array( 1125 'UPLOAD_ICON' => $upload_icon, 1126 'FILESIZE' => $filesize['value'], 1127 'SIZE_LANG' => $filesize['unit'], 1128 'DOWNLOAD_NAME' => utf8_basename($attachment['real_filename']), 1129 'COMMENT' => $comment, 1130 ); 1131 1132 $denied = false; 1133 1134 if (!extension_allowed($forum_id, $attachment['extension'], $extensions)) 1135 { 1136 $denied = true; 1137 1138 $block_array += array( 1139 'S_DENIED' => true, 1140 'DENIED_MESSAGE' => sprintf($user->lang['EXTENSION_DISABLED_AFTER_POSTING'], $attachment['extension']) 1141 ); 1142 } 1143 1144 if (!$denied) 1145 { 1146 $l_downloaded_viewed = $download_link = ''; 1147 $display_cat = $extensions[$attachment['extension']]['display_cat']; 1148 1149 if ($display_cat == ATTACHMENT_CATEGORY_IMAGE) 1150 { 1151 if ($attachment['thumbnail']) 1152 { 1153 $display_cat = ATTACHMENT_CATEGORY_THUMB; 1154 } 1155 else 1156 { 1157 if ($config['img_display_inlined']) 1158 { 1159 if ($config['img_link_width'] || $config['img_link_height']) 1160 { 1161 $dimension = @getimagesize($filename); 1162 1163 // If the dimensions could not be determined or the image being 0x0 we display it as a link for safety purposes 1164 if ($dimension === false || empty($dimension[0]) || empty($dimension[1])) 1165 { 1166 $display_cat = ATTACHMENT_CATEGORY_NONE; 1167 } 1168 else 1169 { 1170 $display_cat = ($dimension[0] <= $config['img_link_width'] && $dimension[1] <= $config['img_link_height']) ? ATTACHMENT_CATEGORY_IMAGE : ATTACHMENT_CATEGORY_NONE; 1171 } 1172 } 1173 } 1174 else 1175 { 1176 $display_cat = ATTACHMENT_CATEGORY_NONE; 1177 } 1178 } 1179 } 1180 1181 // Make some descisions based on user options being set. 1182 if (($display_cat == ATTACHMENT_CATEGORY_IMAGE || $display_cat == ATTACHMENT_CATEGORY_THUMB) && !$user->optionget('viewimg')) 1183 { 1184 $display_cat = ATTACHMENT_CATEGORY_NONE; 1185 } 1186 1187 if ($display_cat == ATTACHMENT_CATEGORY_FLASH && !$user->optionget('viewflash')) 1188 { 1189 $display_cat = ATTACHMENT_CATEGORY_NONE; 1190 } 1191 1192 $download_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); 1193 $l_downloaded_viewed = 'VIEWED_COUNTS'; 1194 1195 switch ($display_cat) 1196 { 1197 // Images 1198 case ATTACHMENT_CATEGORY_IMAGE: 1199 $inline_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id']); 1200 $download_link .= '&mode=view'; 1201 1202 $block_array += array( 1203 'S_IMAGE' => true, 1204 'U_INLINE_LINK' => $inline_link, 1205 ); 1206 1207 $update_count[] = $attachment['attach_id']; 1208 break; 1209 1210 // Images, but display Thumbnail 1211 case ATTACHMENT_CATEGORY_THUMB: 1212 $thumbnail_link = append_sid("{$phpbb_root_path}download/file.$phpEx", 'id=' . $attachment['attach_id'] . '&t=1'); 1213 $download_link .= '&mode=view'; 1214 1215 $block_array += array( 1216 'S_THUMBNAIL' => true, 1217 'THUMB_IMAGE' => $thumbnail_link, 1218 ); 1219 1220 $update_count[] = $attachment['attach_id']; 1221 break; 1222 1223 // Windows Media Streams 1224 case ATTACHMENT_CATEGORY_WM: 1225 1226 // Giving the filename directly because within the wm object all variables are in local context making it impossible 1227 // to validate against a valid session (all params can differ) 1228 // $download_link = $filename; 1229 1230 $block_array += array( 1231 'U_FORUM' => generate_board_url(), 1232 'ATTACH_ID' => $attachment['attach_id'], 1233 'S_WM_FILE' => true, 1234 ); 1235 1236 // Viewed/Heared File ... update the download count 1237 $update_count[] = $attachment['attach_id']; 1238 break; 1239 1240 // Real Media Streams 1241 case ATTACHMENT_CATEGORY_RM: 1242 case ATTACHMENT_CATEGORY_QUICKTIME: 1243 1244 $block_array += array( 1245 'S_RM_FILE' => ($display_cat == ATTACHMENT_CATEGORY_RM) ? true : false, 1246 'S_QUICKTIME_FILE' => ($display_cat == ATTACHMENT_CATEGORY_QUICKTIME) ? true : false, 1247 'U_FORUM' => generate_board_url(), 1248 'ATTACH_ID' => $attachment['attach_id'], 1249 ); 1250 1251 // Viewed/Heared File ... update the download count 1252 $update_count[] = $attachment['attach_id']; 1253 break; 1254 1255 // Macromedia Flash Files 1256 case ATTACHMENT_CATEGORY_FLASH: 1257 list($width, $height) = @getimagesize($filename); 1258 1259 $block_array += array( 1260 'S_FLASH_FILE' => true, 1261 'WIDTH' => $width, 1262 'HEIGHT' => $height, 1263 'U_VIEW_LINK' => $download_link . '&view=1', 1264 ); 1265 1266 // Viewed/Heared File ... update the download count 1267 $update_count[] = $attachment['attach_id']; 1268 break; 1269 1270 default: 1271 $l_downloaded_viewed = 'DOWNLOAD_COUNTS'; 1272 1273 $block_array += array( 1274 'S_FILE' => true, 1275 ); 1276 break; 1277 } 1278 1279 if (!isset($attachment['download_count'])) 1280 { 1281 $attachment['download_count'] = 0; 1282 } 1283 1284 $block_array += array( 1285 'U_DOWNLOAD_LINK' => $download_link, 1286 'L_DOWNLOAD_COUNT' => $user->lang($l_downloaded_viewed, (int) $attachment['download_count']), 1287 ); 1288 } 1289 1290 /** 1291 * Use this event to modify the attachment template data. 1292 * 1293 * This event is triggered once per attachment. 1294 * 1295 * @event core.parse_attachments_modify_template_data 1296 * @var array attachment Array with attachment data 1297 * @var array block_array Template data of the attachment 1298 * @var int display_cat Attachment category data 1299 * @var string download_link Attachment download link 1300 * @var array extensions Array with attachment extensions data 1301 * @var mixed forum_id The forum id the attachments are displayed in (false if in private message) 1302 * @var bool preview Flag indicating if we are in post preview mode 1303 * @var array update_count Array with attachment ids to update download count 1304 * @since 3.1.0-RC5 1305 */ 1306 $vars = array( 1307 'attachment', 1308 'block_array', 1309 'display_cat', 1310 'download_link', 1311 'extensions', 1312 'forum_id', 1313 'preview', 1314 'update_count', 1315 ); 1316 extract($phpbb_dispatcher->trigger_event('core.parse_attachments_modify_template_data', compact($vars))); 1317 1318 $template->assign_block_vars('_file', $block_array); 1319 1320 $compiled_attachments[] = $template->assign_display('attachment_tpl'); 1321 } 1322 1323 $attachments = $compiled_attachments; 1324 unset($compiled_attachments); 1325 1326 $unset_tpl = array(); 1327 1328 preg_match_all('#<!\-\- ia([0-9]+) \-\->(.*?)<!\-\- ia\1 \-\->#', $message, $matches, PREG_PATTERN_ORDER); 1329 1330 $replace = array(); 1331 foreach ($matches[0] as $num => $capture) 1332 { 1333 $index = $matches[1][$num]; 1334 1335 $replace['from'][] = $matches[0][$num]; 1336 $replace['to'][] = (isset($attachments[$index])) ? $attachments[$index] : sprintf($user->lang['MISSING_INLINE_ATTACHMENT'], $matches[2][array_search($index, $matches[1])]); 1337 1338 $unset_tpl[] = $index; 1339 } 1340 1341 if (isset($replace['from'])) 1342 { 1343 $message = str_replace($replace['from'], $replace['to'], $message); 1344 } 1345 1346 $unset_tpl = array_unique($unset_tpl); 1347 1348 // Sort correctly 1349 if ($config['display_order']) 1350 { 1351 // Ascending sort 1352 krsort($attachments); 1353 } 1354 else 1355 { 1356 // Descending sort 1357 ksort($attachments); 1358 } 1359 1360 // Needed to let not display the inlined attachments at the end of the post again 1361 foreach ($unset_tpl as $index) 1362 { 1363 unset($attachments[$index]); 1364 } 1365 } 1366 1367 /** 1368 * Check if extension is allowed to be posted. 1369 * 1370 * @param mixed $forum_id The forum id to check or false if private message 1371 * @param string $extension The extension to check, for example zip. 1372 * @param array &$extensions The extension array holding the information from the cache (will be obtained if empty) 1373 * 1374 * @return bool False if the extension is not allowed to be posted, else true. 1375 */ 1376 function extension_allowed($forum_id, $extension, &$extensions) 1377 { 1378 if (empty($extensions)) 1379 { 1380 global $cache; 1381 $extensions = $cache->obtain_attach_extensions($forum_id); 1382 } 1383 1384 return (!isset($extensions['_allowed_'][$extension])) ? false : true; 1385 } 1386 1387 /** 1388 * Truncates string while retaining special characters if going over the max length 1389 * The default max length is 60 at the moment 1390 * The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities. 1391 * For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19) 1392 * 1393 * @param string $string The text to truncate to the given length. String is specialchared. 1394 * @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char) 1395 * @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars). 1396 * @param bool $allow_reply Allow Re: in front of string 1397 * NOTE: This parameter can cause undesired behavior (returning strings longer than $max_store_length) and is deprecated. 1398 * @param string $append String to be appended 1399 */ 1400 function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = false, $append = '') 1401 { 1402 $chars = array(); 1403 1404 $strip_reply = false; 1405 $stripped = false; 1406 if ($allow_reply && strpos($string, 'Re: ') === 0) 1407 { 1408 $strip_reply = true; 1409 $string = substr($string, 4); 1410 } 1411 1412 $_chars = utf8_str_split(htmlspecialchars_decode($string)); 1413 $chars = array_map('utf8_htmlspecialchars', $_chars); 1414 1415 // Now check the length ;) 1416 if (sizeof($chars) > $max_length) 1417 { 1418 // Cut off the last elements from the array 1419 $string = implode('', array_slice($chars, 0, $max_length - utf8_strlen($append))); 1420 $stripped = true; 1421 } 1422 1423 // Due to specialchars, we may not be able to store the string... 1424 if (utf8_strlen($string) > $max_store_length) 1425 { 1426 // let's split again, we do not want half-baked strings where entities are split 1427 $_chars = utf8_str_split(htmlspecialchars_decode($string)); 1428 $chars = array_map('utf8_htmlspecialchars', $_chars); 1429 1430 do 1431 { 1432 array_pop($chars); 1433 $string = implode('', $chars); 1434 } 1435 while (!empty($chars) && utf8_strlen($string) > $max_store_length); 1436 } 1437 1438 if ($strip_reply) 1439 { 1440 $string = 'Re: ' . $string; 1441 } 1442 1443 if ($append != '' && $stripped) 1444 { 1445 $string = $string . $append; 1446 } 1447 1448 return $string; 1449 } 1450 1451 /** 1452 * Get username details for placing into templates. 1453 * This function caches all modes on first call, except for no_profile and anonymous user - determined by $user_id. 1454 * 1455 * @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) 1456 * @param int $user_id The users id 1457 * @param string $username The users name 1458 * @param string $username_colour The users colour 1459 * @param string $guest_username optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then. 1460 * @param string $custom_profile_url optional parameter to specify a profile url. The user id get appended to this url as &u={user_id} 1461 * 1462 * @return string A string consisting of what is wanted based on $mode. 1463 */ 1464 function get_username_string($mode, $user_id, $username, $username_colour = '', $guest_username = false, $custom_profile_url = false) 1465 { 1466 static $_profile_cache; 1467 global $phpbb_dispatcher; 1468 1469 // We cache some common variables we need within this function 1470 if (empty($_profile_cache)) 1471 { 1472 global $phpbb_root_path, $phpEx; 1473 1474 $_profile_cache['base_url'] = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&u={USER_ID}'); 1475 $_profile_cache['tpl_noprofile'] = '<span class="username">{USERNAME}</span>'; 1476 $_profile_cache['tpl_noprofile_colour'] = '<span style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</span>'; 1477 $_profile_cache['tpl_profile'] = '<a href="{PROFILE_URL}" class="username">{USERNAME}</a>'; 1478 $_profile_cache['tpl_profile_colour'] = '<a href="{PROFILE_URL}" style="color: {USERNAME_COLOUR};" class="username-coloured">{USERNAME}</a>'; 1479 } 1480 1481 global $user, $auth; 1482 1483 // This switch makes sure we only run code required for the mode 1484 switch ($mode) 1485 { 1486 case 'full': 1487 case 'no_profile': 1488 case 'colour': 1489 1490 // Build correct username colour 1491 $username_colour = ($username_colour) ? '#' . $username_colour : ''; 1492 1493 // Return colour 1494 if ($mode == 'colour') 1495 { 1496 $username_string = $username_colour; 1497 break; 1498 } 1499 1500 // no break; 1501 1502 case 'username': 1503 1504 // Build correct username 1505 if ($guest_username === false) 1506 { 1507 $username = ($username) ? $username : $user->lang['GUEST']; 1508 } 1509 else 1510 { 1511 $username = ($user_id && $user_id != ANONYMOUS) ? $username : ((!empty($guest_username)) ? $guest_username : $user->lang['GUEST']); 1512 } 1513 1514 // Return username 1515 if ($mode == 'username') 1516 { 1517 $username_string = $username; 1518 break; 1519 } 1520 1521 // no break; 1522 1523 case 'profile': 1524 1525 // Build correct profile url - only show if not anonymous and permission to view profile if registered user 1526 // For anonymous the link leads to a login page. 1527 if ($user_id && $user_id != ANONYMOUS && ($user->data['user_id'] == ANONYMOUS || $auth->acl_get('u_viewprofile'))) 1528 { 1529 $profile_url = ($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']); 1530 } 1531 else 1532 { 1533 $profile_url = ''; 1534 } 1535 1536 // Return profile 1537 if ($mode == 'profile') 1538 { 1539 $username_string = $profile_url; 1540 break; 1541 } 1542 1543 // no break; 1544 } 1545 1546 if (!isset($username_string)) 1547 { 1548 if (($mode == 'full' && !$profile_url) || $mode == 'no_profile') 1549 { 1550 $username_string = str_replace(array('{USERNAME_COLOUR}', '{USERNAME}'), array($username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_noprofile'] : $_profile_cache['tpl_noprofile_colour']); 1551 } 1552 else 1553 { 1554 $username_string = str_replace(array('{PROFILE_URL}', '{USERNAME_COLOUR}', '{USERNAME}'), array($profile_url, $username_colour, $username), (!$username_colour) ? $_profile_cache['tpl_profile'] : $_profile_cache['tpl_profile_colour']); 1555 } 1556 } 1557 1558 /** 1559 * Use this event to change the output of get_username_string() 1560 * 1561 * @event core.modify_username_string 1562 * @var string mode profile|username|colour|full|no_profile 1563 * @var int user_id String or array of additional url 1564 * parameters 1565 * @var string username The user's username 1566 * @var string username_colour The user's colour 1567 * @var string guest_username Optional parameter to specify the 1568 * guest username. 1569 * @var string custom_profile_url Optional parameter to specify a 1570 * profile url. 1571 * @var string username_string The string that has been generated 1572 * @var array _profile_cache Array of original return templates 1573 * @since 3.1.0-a1 1574 */ 1575 $vars = array( 1576 'mode', 1577 'user_id', 1578 'username', 1579 'username_colour', 1580 'guest_username', 1581 'custom_profile_url', 1582 'username_string', 1583 '_profile_cache', 1584 ); 1585 extract($phpbb_dispatcher->trigger_event('core.modify_username_string', compact($vars))); 1586 1587 return $username_string; 1588 } 1589 1590 /** 1591 * Add an option to the quick-mod tools. 1592 * 1593 * @param string $url The recepting URL for the quickmod actions. 1594 * @param string $option The language key for the value of the option. 1595 * @param string $lang_string The language string to use. 1596 */ 1597 function phpbb_add_quickmod_option($url, $option, $lang_string) 1598 { 1599 global $template, $user, $phpbb_path_helper; 1600 1601 $lang_string = $user->lang($lang_string); 1602 $template->assign_block_vars('quickmod', array( 1603 'VALUE' => $option, 1604 'TITLE' => $lang_string, 1605 'LINK' => $phpbb_path_helper->append_url_params($url, array('action' => $option)), 1606 )); 1607 } 1608 1609 /** 1610 * Concatenate an array into a string list. 1611 * 1612 * @param array $items Array of items to concatenate 1613 * @param object $user The phpBB $user object. 1614 * 1615 * @return string String list. Examples: "A"; "A and B"; "A, B, and C" 1616 */ 1617 function phpbb_generate_string_list($items, $user) 1618 { 1619 if (empty($items)) 1620 { 1621 return ''; 1622 } 1623 1624 $count = sizeof($items); 1625 $last_item = array_pop($items); 1626 $lang_key = 'STRING_LIST_MULTI'; 1627 1628 if ($count == 1) 1629 { 1630 return $last_item; 1631 } 1632 else if ($count == 2) 1633 { 1634 $lang_key = 'STRING_LIST_SIMPLE'; 1635 } 1636 $list = implode($user->lang['COMMA_SEPARATOR'], $items); 1637 1638 return $user->lang($lang_key, $list, $last_item); 1639 } 1640 1641 class bitfield 1642 { 1643 var $data; 1644 1645 function bitfield($bitfield = '') 1646 { 1647 $this->data = base64_decode($bitfield); 1648 } 1649 1650 /** 1651 */ 1652 function get($n) 1653 { 1654 // Get the ($n / 8)th char 1655 $byte = $n >> 3; 1656 1657 if (strlen($this->data) >= $byte + 1) 1658 { 1659 $c = $this->data[$byte]; 1660 1661 // Lookup the ($n % 8)th bit of the byte 1662 $bit = 7 - ($n & 7); 1663 return (bool) (ord($c) & (1 << $bit)); 1664 } 1665 else 1666 { 1667 return false; 1668 } 1669 } 1670 1671 function set($n) 1672 { 1673 $byte = $n >> 3; 1674 $bit = 7 - ($n & 7); 1675 1676 if (strlen($this->data) >= $byte + 1) 1677 { 1678 $this->data[$byte] = $this->data[$byte] | chr(1 << $bit); 1679 } 1680 else 1681 { 1682 $this->data .= str_repeat("\0", $byte - strlen($this->data)); 1683 $this->data .= chr(1 << $bit); 1684 } 1685 } 1686 1687 function clear($n) 1688 { 1689 $byte = $n >> 3; 1690 1691 if (strlen($this->data) >= $byte + 1) 1692 { 1693 $bit = 7 - ($n & 7); 1694 $this->data[$byte] = $this->data[$byte] &~ chr(1 << $bit); 1695 } 1696 } 1697 1698 function get_blob() 1699 { 1700 return $this->data; 1701 } 1702 1703 function get_base64() 1704 { 1705 return base64_encode($this->data); 1706 } 1707 1708 function get_bin() 1709 { 1710 $bin = ''; 1711 $len = strlen($this->data); 1712 1713 for ($i = 0; $i < $len; ++$i) 1714 { 1715 $bin .= str_pad(decbin(ord($this->data[$i])), 8, '0', STR_PAD_LEFT); 1716 } 1717 1718 return $bin; 1719 } 1720 1721 function get_all_set() 1722 { 1723 return array_keys(array_filter(str_split($this->get_bin()))); 1724 } 1725 1726 function merge($bitfield) 1727 { 1728 $this->data = $this->data | $bitfield->get_blob(); 1729 } 1730 }
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| Generated: Thu Jan 11 00:25:41 2018 | Cross-referenced by PHPXref 0.7.1 |