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1 <?php 2 /*************************************************************************** 3 * functions.php 4 * ------------------- 5 * begin : Saturday, Feb 13, 2001 6 * copyright : (C) 2001 The phpBB Group 7 * email : support@phpbb.com 8 * 9 * $Id: functions.php 8377 2008-02-10 12:52:05Z acydburn $ 10 * 11 * 12 ***************************************************************************/ 13 14 /*************************************************************************** 15 * 16 * This program is free software; you can redistribute it and/or modify 17 * it under the terms of the GNU General Public License as published by 18 * the Free Software Foundation; either version 2 of the License, or 19 * (at your option) any later version. 20 * 21 * 22 ***************************************************************************/ 23 24 function get_db_stat($mode) 25 { 26 global $db; 27 28 switch( $mode ) 29 { 30 case 'usercount': 31 $sql = "SELECT COUNT(user_id) AS total 32 FROM " . USERS_TABLE . " 33 WHERE user_id <> " . ANONYMOUS; 34 break; 35 36 case 'newestuser': 37 $sql = "SELECT user_id, username 38 FROM " . USERS_TABLE . " 39 WHERE user_id <> " . ANONYMOUS . " 40 ORDER BY user_id DESC 41 LIMIT 1"; 42 break; 43 44 case 'postcount': 45 case 'topiccount': 46 $sql = "SELECT SUM(forum_topics) AS topic_total, SUM(forum_posts) AS post_total 47 FROM " . FORUMS_TABLE; 48 break; 49 } 50 51 if ( !($result = $db->sql_query($sql)) ) 52 { 53 return false; 54 } 55 56 $row = $db->sql_fetchrow($result); 57 58 switch ( $mode ) 59 { 60 case 'usercount': 61 return $row['total']; 62 break; 63 case 'newestuser': 64 return $row; 65 break; 66 case 'postcount': 67 return $row['post_total']; 68 break; 69 case 'topiccount': 70 return $row['topic_total']; 71 break; 72 } 73 74 return false; 75 } 76 77 // added at phpBB 2.0.11 to properly format the username 78 function phpbb_clean_username($username) 79 { 80 $username = substr(htmlspecialchars(str_replace("\'", "'", trim($username))), 0, 25); 81 $username = phpbb_rtrim($username, "\\"); 82 $username = str_replace("'", "\'", $username); 83 84 return $username; 85 } 86 87 /** 88 * This function is a wrapper for ltrim, as charlist is only supported in php >= 4.1.0 89 * Added in phpBB 2.0.18 90 */ 91 function phpbb_ltrim($str, $charlist = false) 92 { 93 if ($charlist === false) 94 { 95 return ltrim($str); 96 } 97 98 $php_version = explode('.', PHP_VERSION); 99 100 // php version < 4.1.0 101 if ((int) $php_version[0] < 4 || ((int) $php_version[0] == 4 && (int) $php_version[1] < 1)) 102 { 103 while ($str{0} == $charlist) 104 { 105 $str = substr($str, 1); 106 } 107 } 108 else 109 { 110 $str = ltrim($str, $charlist); 111 } 112 113 return $str; 114 } 115 116 // added at phpBB 2.0.12 to fix a bug in PHP 4.3.10 (only supporting charlist in php >= 4.1.0) 117 function phpbb_rtrim($str, $charlist = false) 118 { 119 if ($charlist === false) 120 { 121 return rtrim($str); 122 } 123 124 $php_version = explode('.', PHP_VERSION); 125 126 // php version < 4.1.0 127 if ((int) $php_version[0] < 4 || ((int) $php_version[0] == 4 && (int) $php_version[1] < 1)) 128 { 129 while ($str{strlen($str)-1} == $charlist) 130 { 131 $str = substr($str, 0, strlen($str)-1); 132 } 133 } 134 else 135 { 136 $str = rtrim($str, $charlist); 137 } 138 139 return $str; 140 } 141 142 /** 143 * Our own generator of random values 144 * This uses a constantly changing value as the base for generating the values 145 * The board wide setting is updated once per page if this code is called 146 * With thanks to Anthrax101 for the inspiration on this one 147 * Added in phpBB 2.0.20 148 */ 149 function dss_rand() 150 { 151 global $db, $board_config, $dss_seeded; 152 153 $val = $board_config['rand_seed'] . microtime(); 154 $val = md5($val); 155 $board_config['rand_seed'] = md5($board_config['rand_seed'] . $val . 'a'); 156 157 if($dss_seeded !== true) 158 { 159 $sql = "UPDATE " . CONFIG_TABLE . " SET 160 config_value = '" . $board_config['rand_seed'] . "' 161 WHERE config_name = 'rand_seed'"; 162 163 if( !$db->sql_query($sql) ) 164 { 165 message_die(GENERAL_ERROR, "Unable to reseed PRNG", "", __LINE__, __FILE__, $sql); 166 } 167 168 $dss_seeded = true; 169 } 170 171 return substr($val, 4, 16); 172 } 173 // 174 // Get Userdata, $user can be username or user_id. If force_str is true, the username will be forced. 175 // 176 function get_userdata($user, $force_str = false) 177 { 178 global $db; 179 180 if (!is_numeric($user) || $force_str) 181 { 182 $user = phpbb_clean_username($user); 183 } 184 else 185 { 186 $user = intval($user); 187 } 188 189 $sql = "SELECT * 190 FROM " . USERS_TABLE . " 191 WHERE "; 192 $sql .= ( ( is_integer($user) ) ? "user_id = $user" : "username = '" . str_replace("\'", "''", $user) . "'" ) . " AND user_id <> " . ANONYMOUS; 193 if ( !($result = $db->sql_query($sql)) ) 194 { 195 message_die(GENERAL_ERROR, 'Tried obtaining data for a non-existent user', '', __LINE__, __FILE__, $sql); 196 } 197 198 return ( $row = $db->sql_fetchrow($result) ) ? $row : false; 199 } 200 201 function make_jumpbox($action, $match_forum_id = 0) 202 { 203 global $template, $userdata, $lang, $db, $nav_links, $phpEx, $SID; 204 205 // $is_auth = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata); 206 207 $sql = "SELECT c.cat_id, c.cat_title, c.cat_order 208 FROM " . CATEGORIES_TABLE . " c, " . FORUMS_TABLE . " f 209 WHERE f.cat_id = c.cat_id 210 GROUP BY c.cat_id, c.cat_title, c.cat_order 211 ORDER BY c.cat_order"; 212 if ( !($result = $db->sql_query($sql)) ) 213 { 214 message_die(GENERAL_ERROR, "Couldn't obtain category list.", "", __LINE__, __FILE__, $sql); 215 } 216 217 $category_rows = array(); 218 while ( $row = $db->sql_fetchrow($result) ) 219 { 220 $category_rows[] = $row; 221 } 222 223 if ( $total_categories = count($category_rows) ) 224 { 225 $sql = "SELECT * 226 FROM " . FORUMS_TABLE . " 227 ORDER BY cat_id, forum_order"; 228 if ( !($result = $db->sql_query($sql)) ) 229 { 230 message_die(GENERAL_ERROR, 'Could not obtain forums information', '', __LINE__, __FILE__, $sql); 231 } 232 233 $boxstring = '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"><option value="-1">' . $lang['Select_forum'] . '</option>'; 234 235 $forum_rows = array(); 236 while ( $row = $db->sql_fetchrow($result) ) 237 { 238 $forum_rows[] = $row; 239 } 240 241 if ( $total_forums = count($forum_rows) ) 242 { 243 for($i = 0; $i < $total_categories; $i++) 244 { 245 $boxstring_forums = ''; 246 for($j = 0; $j < $total_forums; $j++) 247 { 248 if ( $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $forum_rows[$j]['auth_view'] <= AUTH_REG ) 249 { 250 251 // if ( $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $is_auth[$forum_rows[$j]['forum_id']]['auth_view'] ) 252 // { 253 $selected = ( $forum_rows[$j]['forum_id'] == $match_forum_id ) ? 'selected="selected"' : ''; 254 $boxstring_forums .= '<option value="' . $forum_rows[$j]['forum_id'] . '"' . $selected . '>' . $forum_rows[$j]['forum_name'] . '</option>'; 255 256 // 257 // Add an array to $nav_links for the Mozilla navigation bar. 258 // 'chapter' and 'forum' can create multiple items, therefore we are using a nested array. 259 // 260 $nav_links['chapter forum'][$forum_rows[$j]['forum_id']] = array ( 261 'url' => append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=" . $forum_rows[$j]['forum_id']), 262 'title' => $forum_rows[$j]['forum_name'] 263 ); 264 265 } 266 } 267 268 if ( $boxstring_forums != '' ) 269 { 270 $boxstring .= '<option value="-1"> </option>'; 271 $boxstring .= '<option value="-1">' . $category_rows[$i]['cat_title'] . '</option>'; 272 $boxstring .= '<option value="-1">----------------</option>'; 273 $boxstring .= $boxstring_forums; 274 } 275 } 276 } 277 278 $boxstring .= '</select>'; 279 } 280 else 281 { 282 $boxstring .= '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"></select>'; 283 } 284 285 // Let the jumpbox work again in sites having additional session id checks. 286 // if ( !empty($SID) ) 287 // { 288 $boxstring .= '<input type="hidden" name="sid" value="' . $userdata['session_id'] . '" />'; 289 // } 290 291 $template->set_filenames(array( 292 'jumpbox' => 'jumpbox.tpl') 293 ); 294 $template->assign_vars(array( 295 'L_GO' => $lang['Go'], 296 'L_JUMP_TO' => $lang['Jump_to'], 297 'L_SELECT_FORUM' => $lang['Select_forum'], 298 299 'S_JUMPBOX_SELECT' => $boxstring, 300 'S_JUMPBOX_ACTION' => append_sid($action)) 301 ); 302 $template->assign_var_from_handle('JUMPBOX', 'jumpbox'); 303 304 return; 305 } 306 307 // 308 // Initialise user settings on page load 309 function init_userprefs($userdata) 310 { 311 global $board_config, $theme, $images; 312 global $template, $lang, $phpEx, $phpbb_root_path, $db; 313 global $nav_links; 314 315 if ( $userdata['user_id'] != ANONYMOUS ) 316 { 317 if ( !empty($userdata['user_lang'])) 318 { 319 $default_lang = phpbb_ltrim(basename(phpbb_rtrim($userdata['user_lang'])), "'"); 320 } 321 322 if ( !empty($userdata['user_dateformat']) ) 323 { 324 $board_config['default_dateformat'] = $userdata['user_dateformat']; 325 } 326 327 if ( isset($userdata['user_timezone']) ) 328 { 329 $board_config['board_timezone'] = $userdata['user_timezone']; 330 } 331 } 332 else 333 { 334 $default_lang = phpbb_ltrim(basename(phpbb_rtrim($board_config['default_lang'])), "'"); 335 } 336 337 if ( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) ) 338 { 339 if ( $userdata['user_id'] != ANONYMOUS ) 340 { 341 // For logged in users, try the board default language next 342 $default_lang = phpbb_ltrim(basename(phpbb_rtrim($board_config['default_lang'])), "'"); 343 } 344 else 345 { 346 // For guests it means the default language is not present, try english 347 // This is a long shot since it means serious errors in the setup to reach here, 348 // but english is part of a new install so it's worth us trying 349 $default_lang = 'english'; 350 } 351 352 if ( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) ) 353 { 354 message_die(CRITICAL_ERROR, 'Could not locate valid language pack'); 355 } 356 } 357 358 // If we've had to change the value in any way then let's write it back to the database 359 // before we go any further since it means there is something wrong with it 360 if ( $userdata['user_id'] != ANONYMOUS && $userdata['user_lang'] !== $default_lang ) 361 { 362 $sql = 'UPDATE ' . USERS_TABLE . " 363 SET user_lang = '" . $default_lang . "' 364 WHERE user_lang = '" . $userdata['user_lang'] . "'"; 365 366 if ( !($result = $db->sql_query($sql)) ) 367 { 368 message_die(CRITICAL_ERROR, 'Could not update user language info'); 369 } 370 371 $userdata['user_lang'] = $default_lang; 372 } 373 elseif ( $userdata['user_id'] == ANONYMOUS && $board_config['default_lang'] !== $default_lang ) 374 { 375 $sql = 'UPDATE ' . CONFIG_TABLE . " 376 SET config_value = '" . $default_lang . "' 377 WHERE config_name = 'default_lang'"; 378 379 if ( !($result = $db->sql_query($sql)) ) 380 { 381 message_die(CRITICAL_ERROR, 'Could not update user language info'); 382 } 383 } 384 385 $board_config['default_lang'] = $default_lang; 386 387 include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_main.' . $phpEx); 388 389 if ( defined('IN_ADMIN') ) 390 { 391 if( !file_exists(@phpbb_realpath($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.'.$phpEx)) ) 392 { 393 $board_config['default_lang'] = 'english'; 394 } 395 396 include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.' . $phpEx); 397 } 398 399 // 400 // Set up style 401 // 402 if ( !$board_config['override_user_style'] ) 403 { 404 if ( $userdata['user_id'] != ANONYMOUS && $userdata['user_style'] > 0 ) 405 { 406 if ( $theme = setup_style($userdata['user_style']) ) 407 { 408 return; 409 } 410 } 411 } 412 413 $theme = setup_style($board_config['default_style']); 414 415 // 416 // Mozilla navigation bar 417 // Default items that should be valid on all pages. 418 // Defined here to correctly assign the Language Variables 419 // and be able to change the variables within code. 420 // 421 $nav_links['top'] = array ( 422 'url' => append_sid($phpbb_root_path . 'index.' . $phpEx), 423 'title' => sprintf($lang['Forum_Index'], $board_config['sitename']) 424 ); 425 $nav_links['search'] = array ( 426 'url' => append_sid($phpbb_root_path . 'search.' . $phpEx), 427 'title' => $lang['Search'] 428 ); 429 $nav_links['help'] = array ( 430 'url' => append_sid($phpbb_root_path . 'faq.' . $phpEx), 431 'title' => $lang['FAQ'] 432 ); 433 $nav_links['author'] = array ( 434 'url' => append_sid($phpbb_root_path . 'memberlist.' . $phpEx), 435 'title' => $lang['Memberlist'] 436 ); 437 438 return; 439 } 440 441 function setup_style($style) 442 { 443 global $db, $board_config, $template, $images, $phpbb_root_path; 444 445 $sql = 'SELECT * 446 FROM ' . THEMES_TABLE . ' 447 WHERE themes_id = ' . (int) $style; 448 if ( !($result = $db->sql_query($sql)) ) 449 { 450 message_die(CRITICAL_ERROR, 'Could not query database for theme info'); 451 } 452 453 if ( !($row = $db->sql_fetchrow($result)) ) 454 { 455 // We are trying to setup a style which does not exist in the database 456 // Try to fallback to the board default (if the user had a custom style) 457 // and then any users using this style to the default if it succeeds 458 if ( $style != $board_config['default_style']) 459 { 460 $sql = 'SELECT * 461 FROM ' . THEMES_TABLE . ' 462 WHERE themes_id = ' . (int) $board_config['default_style']; 463 if ( !($result = $db->sql_query($sql)) ) 464 { 465 message_die(CRITICAL_ERROR, 'Could not query database for theme info'); 466 } 467 468 if ( $row = $db->sql_fetchrow($result) ) 469 { 470 $db->sql_freeresult($result); 471 472 $sql = 'UPDATE ' . USERS_TABLE . ' 473 SET user_style = ' . (int) $board_config['default_style'] . " 474 WHERE user_style = $style"; 475 if ( !($result = $db->sql_query($sql)) ) 476 { 477 message_die(CRITICAL_ERROR, 'Could not update user theme info'); 478 } 479 } 480 else 481 { 482 message_die(CRITICAL_ERROR, "Could not get theme data for themes_id [$style]"); 483 } 484 } 485 else 486 { 487 message_die(CRITICAL_ERROR, "Could not get theme data for themes_id [$style]"); 488 } 489 } 490 491 $template_path = 'templates/' ; 492 $template_name = $row['template_name'] ; 493 494 $template = new Template($phpbb_root_path . $template_path . $template_name); 495 496 if ( $template ) 497 { 498 $current_template_path = $template_path . $template_name; 499 @include($phpbb_root_path . $template_path . $template_name . '/' . $template_name . '.cfg'); 500 501 if ( !defined('TEMPLATE_CONFIG') ) 502 { 503 message_die(CRITICAL_ERROR, "Could not open $template_name template config file", '', __LINE__, __FILE__); 504 } 505 506 $img_lang = ( file_exists(@phpbb_realpath($phpbb_root_path . $current_template_path . '/images/lang_' . $board_config['default_lang'])) ) ? $board_config['default_lang'] : 'english'; 507 508 while( list($key, $value) = @each($images) ) 509 { 510 if ( !is_array($value) ) 511 { 512 $images[$key] = str_replace('{LANG}', 'lang_' . $img_lang, $value); 513 } 514 } 515 } 516 517 return $row; 518 } 519 520 function encode_ip($dotquad_ip) 521 { 522 $ip_sep = explode('.', $dotquad_ip); 523 return sprintf('%02x%02x%02x%02x', $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]); 524 } 525 526 function decode_ip($int_ip) 527 { 528 $hexipbang = explode('.', chunk_split($int_ip, 2, '.')); 529 return hexdec($hexipbang[0]). '.' . hexdec($hexipbang[1]) . '.' . hexdec($hexipbang[2]) . '.' . hexdec($hexipbang[3]); 530 } 531 532 // 533 // Create date/time from format and timezone 534 // 535 function create_date($format, $gmepoch, $tz) 536 { 537 global $board_config, $lang; 538 static $translate; 539 540 if ( empty($translate) && $board_config['default_lang'] != 'english' ) 541 { 542 @reset($lang['datetime']); 543 while ( list($match, $replace) = @each($lang['datetime']) ) 544 { 545 $translate[$match] = $replace; 546 } 547 } 548 549 return ( !empty($translate) ) ? strtr(@gmdate($format, $gmepoch + (3600 * $tz)), $translate) : @gmdate($format, $gmepoch + (3600 * $tz)); 550 } 551 552 // 553 // Pagination routine, generates 554 // page number sequence 555 // 556 function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE) 557 { 558 global $lang; 559 560 $total_pages = ceil($num_items/$per_page); 561 562 if ( $total_pages == 1 ) 563 { 564 return ''; 565 } 566 567 $on_page = floor($start_item / $per_page) + 1; 568 569 $page_string = ''; 570 if ( $total_pages > 10 ) 571 { 572 $init_page_max = ( $total_pages > 3 ) ? 3 : $total_pages; 573 574 for($i = 1; $i < $init_page_max + 1; $i++) 575 { 576 $page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . append_sid($base_url . "&start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>'; 577 if ( $i < $init_page_max ) 578 { 579 $page_string .= ", "; 580 } 581 } 582 583 if ( $total_pages > 3 ) 584 { 585 if ( $on_page > 1 && $on_page < $total_pages ) 586 { 587 $page_string .= ( $on_page > 5 ) ? ' ... ' : ', '; 588 589 $init_page_min = ( $on_page > 4 ) ? $on_page : 5; 590 $init_page_max = ( $on_page < $total_pages - 4 ) ? $on_page : $total_pages - 4; 591 592 for($i = $init_page_min - 1; $i < $init_page_max + 2; $i++) 593 { 594 $page_string .= ($i == $on_page) ? '<b>' . $i . '</b>' : '<a href="' . append_sid($base_url . "&start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>'; 595 if ( $i < $init_page_max + 1 ) 596 { 597 $page_string .= ', '; 598 } 599 } 600 601 $page_string .= ( $on_page < $total_pages - 4 ) ? ' ... ' : ', '; 602 } 603 else 604 { 605 $page_string .= ' ... '; 606 } 607 608 for($i = $total_pages - 2; $i < $total_pages + 1; $i++) 609 { 610 $page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . append_sid($base_url . "&start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>'; 611 if( $i < $total_pages ) 612 { 613 $page_string .= ", "; 614 } 615 } 616 } 617 } 618 else 619 { 620 for($i = 1; $i < $total_pages + 1; $i++) 621 { 622 $page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . append_sid($base_url . "&start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>'; 623 if ( $i < $total_pages ) 624 { 625 $page_string .= ', '; 626 } 627 } 628 } 629 630 if ( $add_prevnext_text ) 631 { 632 if ( $on_page > 1 ) 633 { 634 $page_string = ' <a href="' . append_sid($base_url . "&start=" . ( ( $on_page - 2 ) * $per_page ) ) . '">' . $lang['Previous'] . '</a> ' . $page_string; 635 } 636 637 if ( $on_page < $total_pages ) 638 { 639 $page_string .= ' <a href="' . append_sid($base_url . "&start=" . ( $on_page * $per_page ) ) . '">' . $lang['Next'] . '</a>'; 640 } 641 642 } 643 644 $page_string = $lang['Goto_page'] . ' ' . $page_string; 645 646 return $page_string; 647 } 648 649 // 650 // This does exactly what preg_quote() does in PHP 4-ish 651 // If you just need the 1-parameter preg_quote call, then don't bother using this. 652 // 653 function phpbb_preg_quote($str, $delimiter) 654 { 655 $text = preg_quote($str); 656 $text = str_replace($delimiter, '\\' . $delimiter, $text); 657 658 return $text; 659 } 660 661 // 662 // Obtain list of naughty words and build preg style replacement arrays for use by the 663 // calling script, note that the vars are passed as references this just makes it easier 664 // to return both sets of arrays 665 // 666 function obtain_word_list(&$orig_word, &$replacement_word) 667 { 668 global $db; 669 670 // 671 // Define censored word matches 672 // 673 $sql = "SELECT word, replacement 674 FROM " . WORDS_TABLE; 675 if( !($result = $db->sql_query($sql)) ) 676 { 677 message_die(GENERAL_ERROR, 'Could not get censored words from database', '', __LINE__, __FILE__, $sql); 678 } 679 680 if ( $row = $db->sql_fetchrow($result) ) 681 { 682 do 683 { 684 $orig_word[] = '#\b(' . str_replace('\*', '\w*?', preg_quote($row['word'], '#')) . ')\b#i'; 685 $replacement_word[] = $row['replacement']; 686 } 687 while ( $row = $db->sql_fetchrow($result) ); 688 } 689 690 return true; 691 } 692 693 // 694 // This is general replacement for die(), allows templated 695 // output in users (or default) language, etc. 696 // 697 // $msg_code can be one of these constants: 698 // 699 // GENERAL_MESSAGE : Use for any simple text message, eg. results 700 // of an operation, authorisation failures, etc. 701 // 702 // GENERAL ERROR : Use for any error which occurs _AFTER_ the 703 // common.php include and session code, ie. most errors in 704 // pages/functions 705 // 706 // CRITICAL_MESSAGE : Used when basic config data is available but 707 // a session may not exist, eg. banned users 708 // 709 // CRITICAL_ERROR : Used when config data cannot be obtained, eg 710 // no database connection. Should _not_ be used in 99.5% of cases 711 // 712 function message_die($msg_code, $msg_text = '', $msg_title = '', $err_line = '', $err_file = '', $sql = '') 713 { 714 global $db, $template, $board_config, $theme, $lang, $phpEx, $phpbb_root_path, $nav_links, $gen_simple_header, $images; 715 global $userdata, $user_ip, $session_length; 716 global $starttime; 717 718 if(defined('HAS_DIED')) 719 { 720 die("message_die() was called multiple times. This isn't supposed to happen. Was message_die() used in page_tail.php?"); 721 } 722 723 define('HAS_DIED', 1); 724 725 726 $sql_store = $sql; 727 728 // 729 // Get SQL error if we are debugging. Do this as soon as possible to prevent 730 // subsequent queries from overwriting the status of sql_error() 731 // 732 if ( DEBUG && ( $msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR ) ) 733 { 734 $sql_error = $db->sql_error(); 735 736 $debug_text = ''; 737 738 if ( $sql_error['message'] != '' ) 739 { 740 $debug_text .= '<br /><br />SQL Error : ' . $sql_error['code'] . ' ' . $sql_error['message']; 741 } 742 743 if ( $sql_store != '' ) 744 { 745 $debug_text .= "<br /><br />$sql_store"; 746 } 747 748 if ( $err_line != '' && $err_file != '' ) 749 { 750 $debug_text .= '<br /><br />Line : ' . $err_line . '<br />File : ' . basename($err_file); 751 } 752 } 753 754 if( empty($userdata) && ( $msg_code == GENERAL_MESSAGE || $msg_code == GENERAL_ERROR ) ) 755 { 756 $userdata = session_pagestart($user_ip, PAGE_INDEX); 757 init_userprefs($userdata); 758 } 759 760 // 761 // If the header hasn't been output then do it 762 // 763 if ( !defined('HEADER_INC') && $msg_code != CRITICAL_ERROR ) 764 { 765 if ( empty($lang) ) 766 { 767 if ( !empty($board_config['default_lang']) ) 768 { 769 include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_main.'.$phpEx); 770 } 771 else 772 { 773 include($phpbb_root_path . 'language/lang_english/lang_main.'.$phpEx); 774 } 775 } 776 777 if ( empty($template) || empty($theme) ) 778 { 779 $theme = setup_style($board_config['default_style']); 780 } 781 782 // 783 // Load the Page Header 784 // 785 if ( !defined('IN_ADMIN') ) 786 { 787 include($phpbb_root_path . 'includes/page_header.'.$phpEx); 788 } 789 else 790 { 791 include($phpbb_root_path . 'admin/page_header_admin.'.$phpEx); 792 } 793 } 794 795 switch($msg_code) 796 { 797 case GENERAL_MESSAGE: 798 if ( $msg_title == '' ) 799 { 800 $msg_title = $lang['Information']; 801 } 802 break; 803 804 case CRITICAL_MESSAGE: 805 if ( $msg_title == '' ) 806 { 807 $msg_title = $lang['Critical_Information']; 808 } 809 break; 810 811 case GENERAL_ERROR: 812 if ( $msg_text == '' ) 813 { 814 $msg_text = $lang['An_error_occured']; 815 } 816 817 if ( $msg_title == '' ) 818 { 819 $msg_title = $lang['General_Error']; 820 } 821 break; 822 823 case CRITICAL_ERROR: 824 // 825 // Critical errors mean we cannot rely on _ANY_ DB information being 826 // available so we're going to dump out a simple echo'd statement 827 // 828 include($phpbb_root_path . 'language/lang_english/lang_main.'.$phpEx); 829 830 if ( $msg_text == '' ) 831 { 832 $msg_text = $lang['A_critical_error']; 833 } 834 835 if ( $msg_title == '' ) 836 { 837 $msg_title = 'phpBB : <b>' . $lang['Critical_Error'] . '</b>'; 838 } 839 break; 840 } 841 842 // 843 // Add on DEBUG info if we've enabled debug mode and this is an error. This 844 // prevents debug info being output for general messages should DEBUG be 845 // set TRUE by accident (preventing confusion for the end user!) 846 // 847 if ( DEBUG && ( $msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR ) ) 848 { 849 if ( $debug_text != '' ) 850 { 851 $msg_text = $msg_text . '<br /><br /><b><u>DEBUG MODE</u></b>' . $debug_text; 852 } 853 } 854 855 if ( $msg_code != CRITICAL_ERROR ) 856 { 857 if ( !empty($lang[$msg_text]) ) 858 { 859 $msg_text = $lang[$msg_text]; 860 } 861 862 if ( !defined('IN_ADMIN') ) 863 { 864 $template->set_filenames(array( 865 'message_body' => 'message_body.tpl') 866 ); 867 } 868 else 869 { 870 $template->set_filenames(array( 871 'message_body' => 'admin/admin_message_body.tpl') 872 ); 873 } 874 875 $template->assign_vars(array( 876 'MESSAGE_TITLE' => $msg_title, 877 'MESSAGE_TEXT' => $msg_text) 878 ); 879 $template->pparse('message_body'); 880 881 if ( !defined('IN_ADMIN') ) 882 { 883 include($phpbb_root_path . 'includes/page_tail.'.$phpEx); 884 } 885 else 886 { 887 include($phpbb_root_path . 'admin/page_footer_admin.'.$phpEx); 888 } 889 } 890 else 891 { 892 echo "<html>\n<body>\n" . $msg_title . "\n<br /><br />\n" . $msg_text . "</body>\n</html>"; 893 } 894 895 exit; 896 } 897 898 // 899 // This function is for compatibility with PHP 4.x's realpath() 900 // function. In later versions of PHP, it needs to be called 901 // to do checks with some functions. Older versions of PHP don't 902 // seem to need this, so we'll just return the original value. 903 // dougk_ff7 <October 5, 2002> 904 function phpbb_realpath($path) 905 { 906 global $phpbb_root_path, $phpEx; 907 908 return (!@function_exists('realpath') || !@realpath($phpbb_root_path . 'includes/functions.'.$phpEx)) ? $path : @realpath($path); 909 } 910 911 function redirect($url) 912 { 913 global $db, $board_config; 914 915 if (!empty($db)) 916 { 917 $db->sql_close(); 918 } 919 920 if (strstr(urldecode($url), "\n") || strstr(urldecode($url), "\r") || strstr(urldecode($url), ';url')) 921 { 922 message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.'); 923 } 924 925 $server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://'; 926 $server_name = preg_replace('#^\/?(.*?)\/?$#', '\1', trim($board_config['server_name'])); 927 $server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) : ''; 928 $script_name = preg_replace('#^\/?(.*?)\/?$#', '\1', trim($board_config['script_path'])); 929 $script_name = ($script_name == '') ? $script_name : '/' . $script_name; 930 $url = preg_replace('#^\/?(.*?)\/?$#', '/\1', trim($url)); 931 932 // Redirect via an HTML form for PITA webservers 933 if (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE'))) 934 { 935 header('Refresh: 0; URL=' . $server_protocol . $server_name . $server_port . $script_name . $url); 936 echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta http-equiv="refresh" content="0; url=' . $server_protocol . $server_name . $server_port . $script_name . $url . '"><title>Redirect</title></head><body><div align="center">If your browser does not support meta redirection please click <a href="' . $server_protocol . $server_name . $server_port . $script_name . $url . '">HERE</a> to be redirected</div></body></html>'; 937 exit; 938 } 939 940 // Behave as per HTTP/1.1 spec for others 941 header('Location: ' . $server_protocol . $server_name . $server_port . $script_name . $url); 942 exit; 943 } 944 945 ?>
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