4 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
5 * Copyright (C) 2002-2006 The Nucleus Group
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 * (see nucleus/documentation/index.html#license for more info)
14 * @license http://nucleuscms.org/license.txt GNU General Public License
15 * @copyright Copyright (C) 2002-2006 The Nucleus Group
16 * @version $Id: globalfunctions.php,v 1.8 2006-07-18 08:42:04 kimitake Exp $
17 * $NucleusJP: globalfunctions.php,v 1.7 2006/07/17 20:03:44 kimitake Exp $
20 // needed if we include globalfunctions from install.php
21 global $nucleus, $CONF, $DIR_LIBS, $DIR_LANG, $manager, $member;
23 $nucleus['version'] = 'v3.3SVN';
24 $nucleus['codename'] = 'Lithium';
26 checkVars(array('nucleus', 'CONF', 'DIR_LIBS', 'MYSQL_HOST', 'MYSQL_USER', 'MYSQL_PASSWORD', 'MYSQL_DATABASE', 'DIR_LANG', 'DIR_PLUGINS', 'HTTP_GET_VARS', 'HTTP_POST_VARS', 'HTTP_COOKIE_VARS', 'HTTP_ENV_VARS', 'HTTP_SESSION_VARS', 'HTTP_POST_FILES', 'HTTP_SERVER_VARS', 'GLOBALS', 'argv', 'argc', '_GET', '_POST', '_COOKIE', '_ENV', '_SESSION', '_SERVER', '_FILES'));
30 error_reporting(E_ALL); // report all errors!
32 error_reporting(E_ERROR | E_WARNING | E_PARSE);
36 if (!isset($CONF['Self'])) {
37 $CONF['Self'] = $_SERVER['PHP_SELF'];
41 Indicates when Nucleus should display startup errors. Set to 1 if you want
42 the error enabled (default), false otherwise
45 Displays an error when visiting a public Nucleus page and headers have
46 been sent out to early. This usually indicates an error in either a
47 configuration file or a language file, and could cause Nucleus to
50 Displays an error only when visiting the admin area, and when one or
51 more of the installation files (install.php, install.sql, upgrades/
52 directory) are still on the server.
54 $CONF['alertOnHeadersSent'] = 1;
55 $CONF['alertOnSecurityRisk'] = 1;
56 $CONF['ItemURL'] = $CONF['Self'];
57 $CONF['ArchiveURL'] = $CONF['Self'];
58 $CONF['ArchiveListURL'] = $CONF['Self'];
59 $CONF['MemberURL'] = $CONF['Self'];
60 $CONF['SearchURL'] = $CONF['Self'];
61 $CONF['BlogURL'] = $CONF['Self'];
62 $CONF['CategoryURL'] = $CONF['Self'];
64 // switch URLMode back to normal when $CONF['Self'] ends in .php
65 // this avoids urls like index.php/item/13/index.php/item/15
66 if (!isset($CONF['URLMode']) || (($CONF['URLMode'] == 'pathinfo') && (substr($CONF['Self'], strlen($CONF['Self']) - 4) == '.php'))) {
67 $CONF['URLMode'] = 'normal';
70 if (getNucleusPatchLevel() > 0) {
71 $nucleus['version'] .= '/' . getNucleusPatchLevel();
75 if (!isset($CONF['installscript'])) {
76 $CONF['installscript'] = 0;
79 // we will use postVar, getVar, ... methods instead of HTTP_GET_VARS or _GET
80 if ($CONF['installscript'] != 1) { // vars were already included in install.php
81 if (phpversion() >= '4.1.0') {
82 include_once($DIR_LIBS . 'vars4.1.0.php');
84 include_once($DIR_LIBS . 'vars4.0.6.php');
88 // get all variables that can come from the request and put them in the global scope
89 $blogid = requestVar('blogid');
90 $itemid = intRequestVar('itemid');
91 $catid = intRequestVar('catid');
92 $skinid = requestVar('skinid');
93 $memberid = requestVar('memberid');
94 $archivelist = requestVar('archivelist');
95 $imagepopup = requestVar('imagepopup');
96 $archive = requestVar('archive');
97 $query = requestVar('query');
98 $highlight = requestVar('highlight');
99 $amount = requestVar('amount');
100 $action = requestVar('action');
101 $nextaction = requestVar('nextaction');
102 $maxresults = requestVar('maxresults');
103 $startpos = intRequestVar('startpos');
106 $virtualpath = ((getVar('virtualpath') != null) ? getVar('virtualpath') : serverVar('PATH_INFO'));
108 if (!headers_sent() ) {
109 header('Generator: Nucleus CMS ' . $nucleus['version']);
112 // include core classes that are needed for login & plugin handling
113 include($DIR_LIBS . 'mysql.php');
114 include($DIR_LIBS . 'MEMBER.php');
115 include($DIR_LIBS . 'ACTIONLOG.php');
116 include($DIR_LIBS . 'MANAGER.php');
117 include($DIR_LIBS . 'PLUGIN.php');
119 $manager =& MANAGER::instance();
121 // make sure there's no unnecessary escaping:
122 set_magic_quotes_runtime(0);
125 if (!isset($CONF['UsingAdminArea'])) {
126 $CONF['UsingAdminArea'] = 0;
129 // only needed when updating logs
130 if ($CONF['UsingAdminArea']) {
131 include($DIR_LIBS . 'xmlrpc.inc.php'); // XML-RPC client classes
132 include_once($DIR_LIBS . 'ADMIN.php');
135 // connect to database
139 // makes sure database connection gets closed on script termination
140 register_shutdown_function('sql_disconnect');
145 // automatically use simpler toolbar for mozilla
146 if (($CONF['DisableJsTools'] == 0) && strstr(serverVar('HTTP_USER_AGENT'), 'Mozilla/5.0') && strstr(serverVar('HTTP_USER_AGENT'), 'Gecko') ) {
147 $CONF['DisableJsTools'] = 2;
150 // login if cookies set
151 $member = new MEMBER();
153 // login/logout when required or renew cookies
154 if ($action == 'login') {
155 // Form Authentication
156 $login = postVar('login');
157 $pw = postVar('password');
158 $shared = intPostVar('shared'); // shared computer or not
160 if ($member->login($login, $pw) ) {
162 $member->newCookieKey();
163 $member->setCookies($shared);
165 // allows direct access to parts of the admin area after logging in
167 $action = $nextaction;
170 $manager->notify('LoginSuccess', array('member' => &$member) );
172 ACTIONLOG::add(INFO, "Login successful for $login (sharedpc=$shared)");
174 // errormessage for [%errordiv%]
175 $errormessage = 'Login failed for ' . $login;
177 $manager->notify('LoginFailed', array('username' => $login) );
178 ACTIONLOG::add(INFO, $errormessage);
182 Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
184 } elseif (serverVar('PHP_AUTH_USER') && serverVar('PHP_AUTH_PW')) {
185 // HTTP Authentication
186 $login = serverVar('PHP_AUTH_USER');
187 $pw = serverVar('PHP_AUTH_PW');
189 if ($member->login($login, $pw) ) {
190 $manager->notify('LoginSuccess',array('member' => &$member));
191 ACTIONLOG::add(INFO, "HTTP authentication successful for $login");
193 $manager->notify('LoginFailed',array('username' => $login));
194 ACTIONLOG::add(INFO, 'HTTP authentication failed for ' . $login);
196 //Since bad credentials, generate an apropriate error page
197 header("WWW-Authenticate: Basic realm=\"Nucleus CMS {$nucleus['version']}\"");
198 header('HTTP/1.0 401 Unauthorized');
199 echo 'Invalid username or password';
204 } elseif (($action == 'logout') && (!headers_sent() ) && cookieVar($CONF['CookiePrefix'] . 'user') ) {
205 // remove cookies on logout
206 setcookie($CONF['CookiePrefix'] . 'user', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
207 setcookie($CONF['CookiePrefix'] . 'loginkey', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
208 $manager->notify('Logout', array('username' => cookieVar($CONF['CookiePrefix'] . 'user') ) );
209 } elseif (cookieVar($CONF['CookiePrefix'] . 'user') ) {
210 // Cookie Authentication
211 $res = $member->cookielogin(cookieVar($CONF['CookiePrefix'] . 'user'), cookieVar($CONF['CookiePrefix'] . 'loginkey') );
213 // renew cookies when not on a shared computer
214 if ($res && (cookieVar($CONF['CookiePrefix'] . 'sharedpc') != 1) && (!headers_sent() ) ) {
215 $member->setCookies();
220 $manager->notify('PostAuthentication', array('loggedIn' => $member->isLoggedIn() ) );
222 // first, let's see if the site is disabled or not. always allow admin area access.
223 if ($CONF['DisableSite'] && !$member->isAdmin() && !$CONF['UsingAdminArea']) {
224 redirect($CONF['DisableSiteURL']);
228 // load other classes
229 include($DIR_LIBS . 'PARSER.php');
230 include($DIR_LIBS . 'SKIN.php');
231 include($DIR_LIBS . 'TEMPLATE.php');
232 include($DIR_LIBS . 'BLOG.php');
233 include($DIR_LIBS . 'COMMENTS.php');
234 include($DIR_LIBS . 'COMMENT.php');
235 //include($DIR_LIBS . 'ITEM.php');
236 include($DIR_LIBS . 'NOTIFICATION.php');
237 include($DIR_LIBS . 'BAN.php');
238 include($DIR_LIBS . 'PAGEFACTORY.php');
239 include($DIR_LIBS . 'SEARCH.php');
240 include($DIR_LIBS . 'entity.php');
243 // set lastVisit cookie (if allowed)
244 if (!headers_sent() ) {
245 if ($CONF['LastVisit']) {
246 setcookie($CONF['CookiePrefix'] . 'lastVisit', time(), time() + 2592000, $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
248 setcookie($CONF['CookiePrefix'] . 'lastVisit', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
252 // read language file, only after user has been initialized
253 $language = getLanguageName();
254 include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
257 Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
259 // To remove after v2.5 is released and language files have been updated.
260 // Including this makes sure that language files for v2.5beta can still be used for v2.5final
261 // without having weird _SETTINGS_EXTAUTH string showing up in the admin area.
262 if (!defined('_MEMBERS_BYPASS'))
264 define('_SETTINGS_EXTAUTH', 'Enable External Authentication');
265 define('_WARNING_EXTAUTH', 'Warning: Enable only if needed.');
266 define('_MEMBERS_BYPASS', 'Use External Authentication');
271 // make sure the archivetype skinvar keeps working when _ARCHIVETYPE_XXX not defined
272 if (!defined('_ARCHIVETYPE_MONTH') ) {
273 define('_ARCHIVETYPE_DAY', 'day');
274 define('_ARCHIVETYPE_MONTH', 'month');
278 if ($CONF['URLMode'] == 'pathinfo') {
279 // initialize keywords if this hasn't been done before
280 if ($CONF['ItemKey'] == '') {
281 $CONF['ItemKey'] = 'item';
284 if ($CONF['ArchiveKey'] == '') {
285 $CONF['ArchiveKey'] = 'archive';
288 if ($CONF['ArchivesKey'] == '') {
289 $CONF['ArchivesKey'] = 'archives';
292 if ($CONF['MemberKey'] == '') {
293 $CONF['MemberKey'] = 'member';
296 if ($CONF['BlogKey'] == '') {
297 $CONF['BlogKey'] = 'blog';
300 if ($CONF['CategoryKey'] == '') {
301 $CONF['CategoryKey'] = 'category';
308 'type' => basename(serverVar('SCRIPT_NAME') ), // e.g. item, blog, ...
309 'info' => $virtualpath,
310 'complete' => &$parsed
315 // default implementation
316 $data = explode("/", $virtualpath );
317 for ($i = 0; $i < sizeof($data); $i++) {
319 case $CONF['ItemKey']: // item/1 (blogid)
322 if ($i < sizeof($data) ) {
323 $itemid = intval($data[$i]);
327 case $CONF['ArchivesKey']: // archives/1 (blogid)
330 if ($i < sizeof($data) ) {
331 $archivelist = intval($data[$i]);
335 case $CONF['ArchiveKey']: // two possibilities: archive/yyyy-mm or archive/1/yyyy-mm (with blogid)
336 if ((($i + 1) < sizeof($data) ) && (!strstr($data[$i + 1], '-') ) ) {
337 $blogid = intval($data[++$i]);
342 if ($i < sizeof($data) ) {
343 $archive = $data[$i];
347 case 'blogid': // blogid/1
348 case $CONF['BlogKey']: // blog/1
351 if ($i < sizeof($data) ) {
352 $blogid = intval($data[$i]);
356 case $CONF['CategoryKey']: // category/1 (catid)
360 if ($i < sizeof($data) ) {
361 $catid = intval($data[$i]);
365 case $CONF['MemberKey']:
368 if ($i < sizeof($data) ) {
369 $memberid = intval($data[$i]);
380 function intPostVar($name) {
381 return intval(postVar($name) );
384 function intGetVar($name) {
385 return intval(getVar($name) );
388 function intRequestVar($name) {
389 return intval(requestVar($name) );
392 function intCookieVar($name) {
393 return intval(cookieVar($name) );
397 * returns the currently used version (100 = 1.00, 101 = 1.01, etc...)
399 function getNucleusVersion() {
404 * power users can install patches in between nucleus releases. These patches
405 * usually add new functionality in the plugin API and allow those to
406 * be tested without having to install CVS.
408 function getNucleusPatchLevel() {
413 * Connects to mysql server
415 function sql_connect() {
416 global $MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD, $MYSQL_DATABASE, $MYSQL_CONN;
418 $MYSQL_CONN = @mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD) or startUpError('<p>Could not connect to MySQL database.</p>', 'Connect Error');
419 mysql_select_db($MYSQL_DATABASE) or startUpError('<p>Could not select database: ' . mysql_error() . '</p>', 'Connect Error');
425 * returns a prefixed nucleus table name
427 function sql_table($name) {
428 global $MYSQL_PREFIX;
431 return $MYSQL_PREFIX . 'nucleus_' . $name;
433 return 'nucleus_' . $name;
437 function sendContentType($contenttype, $pagetype = '', $charset = _CHARSET) {
438 global $manager, $CONF;
440 if (!headers_sent() ) {
441 // if content type is application/xhtml+xml, only send it to browsers
442 // that can handle it (IE6 cannot). Otherwise, send text/html
444 // v2.5: For admin area pages, keep sending text/html (unless it's a debug version)
445 // application/xhtml+xml still causes too much problems with the javascript implementations
447 // v3.3: ($CONF['UsingAdminArea'] && !$CONF['debug']) gets removed,
448 // application/xhtml+xml seems to be working, so we're going to use it if we can.
450 ($contenttype == 'application/xhtml+xml')
451 && (!stristr(serverVar('HTTP_ACCEPT'), 'application/xhtml+xml') )
453 $contenttype = 'text/html';
457 'PreSendContentType',
459 'contentType' => &$contenttype,
460 'charset' => &$charset,
461 'pageType' => $pagetype
465 // strip strange characters
466 $contenttype = preg_replace('|[^a-z0-9-+./]|i', '', $contenttype);
467 $charset = preg_replace('|[^a-z0-9-_]|i', '', $charset);
469 if ($charset != '') {
470 header('Content-Type: ' . $contenttype . '; charset=' . $charset);
472 header('Content-Type: ' . $contenttype);
478 * Errors before the database connection has been made
480 function startUpError($msg, $title) {
482 <html xmlns="http://www.w3.org/1999/xhtml">
483 <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title><?php echo htmlspecialchars($title)?></title></head>
485 <h1><?php echo htmlspecialchars($title)?></h1>
493 * disconnects from SQL server
495 function sql_disconnect() {
500 * executes an SQL query
502 function sql_query($query) {
505 $res = mysql_query($query) or print("mySQL error with query $query: " . mysql_error() . '<p />');
511 * Highlights a specific query in a given HTML text (not within HTML tags) and returns it
514 * text to be highlighted
516 * regular expression to be matched (can be an array of expressions as well)
518 * highlight to be used (use \\0 to indicate the matched expression)
521 function highlight($text, $expression, $highlight) {
522 if (!$highlight || !$expression) {
526 if (is_array($expression) && (count($expression) == 0) ) {
530 // add a tag in front (is needed for preg_match_all to work correct)
531 $text = '<!--h-->' . $text;
533 // split the HTML up so we have HTML tags
534 // $matches[0][i] = HTML + text
535 // $matches[1][i] = HTML
536 // $matches[2][i] = text
537 preg_match_all('/(<[^>]+>)([^<>]*)/', $text, $matches);
539 // throw it all together again while applying the highlight to the text pieces
541 for ($i = 0; $i < sizeof($matches[2]); $i++) {
543 $result .= $matches[1][$i];
546 if (is_array($expression) ) {
547 foreach ($expression as $regex) {
549 $matches[2][$i] = @eregi_replace($regex, $highlight, $matches[2][$i]);
553 $result .= $matches[2][$i];
555 $result .= @eregi_replace($expression, $highlight, $matches[2][$i]);
563 * Parses a query into an array of expressions that can be passed on to the highlight method
565 function parseHighlight($query) {
566 // TODO: add more intelligent splitting logic
569 $query = preg_replace('/\'|"/', '', $query);
575 $aHighlight = explode(' ', $query);
577 for ($i = 0; $i < count($aHighlight); $i++) {
578 $aHighlight[$i] = trim($aHighlight[$i]);
580 if (strlen($aHighlight[$i]) < 3) {
581 unset($aHighlight[$i]);
585 if (count($aHighlight) == 1) {
586 return $aHighlight[0];
593 * Checks if email address is valid
595 function isValidMailAddress($address) {
596 if (preg_match('/^[a-zA-Z0-9\._-]+@[a-zA-Z0-9\._-]+\.[A-Za-z]{2,5}$/', $address) ) {
604 // some helper functions
605 function getBlogIDFromName($name) {
606 return quickQuery('SELECT bnumber as result FROM ' . sql_table('blog') . ' WHERE bshortname="' . addslashes($name) . '"');
609 function getBlogNameFromID($id) {
610 return quickQuery('SELECT bname as result FROM ' . sql_table('blog') . ' WHERE bnumber=' . intval($id) );
613 function getBlogIDFromItemID($itemid) {
614 return quickQuery('SELECT iblog as result FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid) );
617 function getBlogIDFromCommentID($commentid) {
618 return quickQuery('SELECT cblog as result FROM ' . sql_table('comment') . ' WHERE cnumber=' . intval($commentid) );
621 function getBlogIDFromCatID($catid) {
622 return quickQuery('SELECT cblog as result FROM ' . sql_table('category') . ' WHERE catid=' . intval($catid) );
625 function getCatIDFromName($name) {
626 return quickQuery('SELECT catid as result FROM ' . sql_table('category') . ' WHERE cname="' . addslashes($name) . '"');
629 function quickQuery($q) {
630 $res = sql_query($q);
631 $obj = mysql_fetch_object($res);
635 function getPluginNameFromPid($pid) {
636 $res = sql_query('SELECT pfile FROM ' . sql_table('plugin') . ' WHERE pid=' . intval($pid) );
637 $obj = mysql_fetch_object($res);
641 function selector() {
642 global $itemid, $blogid, $memberid, $query, $amount, $archivelist, $maxresults;
643 global $archive, $skinid, $blog, $memberinfo, $CONF, $member;
644 global $imagepopup, $catid;
647 $actionNames = array('addcomment', 'sendmessage', 'createaccount', 'forgotpassword', 'votepositive', 'votenegative', 'plugin');
648 $action = requestVar('action');
650 if (in_array($action, $actionNames) ) {
651 global $DIR_LIBS, $errormessage;
652 include_once($DIR_LIBS . 'ACTION.php');
654 $errorInfo = $a->doAction($action);
657 $errormessage = $errorInfo['message'];
661 // show error when headers already sent out
662 if (headers_sent() && $CONF['alertOnHeadersSent']) {
664 // try to get line number/filename (extra headers_sent params only exists in PHP 4.3+)
665 if (function_exists('version_compare') && version_compare('4.3.0', phpversion(), '<=') ) {
666 headers_sent($hsFile, $hsLine);
667 $extraInfo = ' in <code>' . $hsFile . '</code> line <code>' . $hsLine . '</code>';
673 '<p>The page headers have already been sent out' . $extraInfo . '. This could cause Nucleus not to work in the expected way.</p><p>Usually, this is caused by spaces or newlines at the end of the <code>config.php</code> file, at the end of the language file or at the end of a plugin file. Please check this and try again.</p><p>If you don\'t want to see this error message again, without solving the problem, set <code>$CONF[\'alertOnHeadersSent\']</code> in <code>globalfunctions.php</code> to <code>0</code></p>',
674 'Page headers already sent'
679 // make is so ?archivelist without blogname or blogid shows the archivelist
680 // for the default weblog
681 if (serverVar('QUERY_STRING') == 'archivelist') {
682 $archivelist = $CONF['DefaultBlog'];
685 // now decide which type of skin we need
687 // itemid given -> only show that item
690 if (!$manager->existsItem($itemid,0,0) ) {
691 doError(_ERROR_NOSUCHITEM);
694 global $itemidprev, $itemidnext, $catid, $itemtitlenext, $itemtitleprev;
696 // 1. get timestamp, blogid and catid for item
697 $query = 'SELECT itime, iblog, icat FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid);
698 $res = sql_query($query);
699 $obj = mysql_fetch_object($res);
701 // if a different blog id has been set through the request or selectBlog(),
703 // if ($blogid && (intval($blogid) != $obj->iblog) ) {
704 // doError(_ERROR_NOSUCHITEM);
706 if ($blogid && (intval($blogid) != $obj->iblog) ) {
707 if (!headers_sent()) {
708 $b =& $manager->getBlog($obj->iblog);
709 $correctURL = $b->getURL();
711 if ($CONF['URLMode'] == 'pathinfo') {
712 if (substr($correctURL,strlen($correctURL)-1,1)=='/') {
713 $correctURL .= 'item/' . $itemid;
715 $correctURL .= '/item/' . $itemid;
718 $correctURL .= '?itemid=' . $itemid;
721 redirect($correctURL);
724 doError(_ERROR_NOSUCHITEM);
728 // if a category has been selected which doesn't match the item, ignore the
730 if (($catid != 0) && ($catid != $obj->icat) ) {
734 $blogid = $obj->iblog;
735 $timestamp = strtotime($obj->itime);
737 $b =& $manager->getBlog($blogid);
739 if ($b->isValidCategory($catid) ) {
740 $catextra = ' and icat=' . $catid;
743 // get previous itemid and title
744 $query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime<' . mysqldate($timestamp) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime DESC LIMIT 1';
745 $res = sql_query($query);
747 $obj = mysql_fetch_object($res);
750 $itemidprev = $obj->inumber;
751 $itemtitleprev = $obj->ititle;
754 // get next itemid and title
755 $query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime>' . mysqldate($timestamp) . ' and itime <= ' . mysqldate($b->getCorrectTime()) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime ASC LIMIT 1';
756 $res = sql_query($query);
758 $obj = mysql_fetch_object($res);
761 $itemidnext = $obj->inumber;
762 $itemtitlenext = $obj->ititle;
765 } elseif ($archive) {
769 // get next and prev month links
770 global $archivenext, $archiveprev, $archivetype;
772 sscanf($archive, '%d-%d-%d', $y, $m, $d);
775 $archivetype = _ARCHIVETYPE_DAY;
776 $t = mktime(0, 0, 0, $m, $d, $y);
777 $archiveprev = strftime('%Y-%m-%d', $t - (24 * 60 * 60) );
778 $archivenext = strftime('%Y-%m-%d', $t + (24 * 60 * 60) );
780 $archivetype = _ARCHIVETYPE_MONTH;
781 $t = mktime(0, 0, 0, $m, 1, $y);
782 $archiveprev = strftime('%Y-%m', $t - (1 * 24 * 60 * 60) );
783 $archivenext = strftime('%Y-%m', $t + (32 * 24 * 60 * 60) );
786 } elseif ($archivelist) {
787 $type = 'archivelist';
789 if (intval($archivelist) != 0) {
790 $blogid = $archivelist;
792 $blogid = getBlogIDFromName($archivelist);
796 doError(_ERROR_NOSUCHBLOG);
802 $query = stripslashes($query);
803 if(preg_match("/^(\xA1{2}|\xe3\x80{2}|\x20)+$/",$query)){
806 $order = (_CHARSET == 'EUC-JP') ? 'EUC-JP, UTF-8,' : 'UTF-8, EUC-JP,';
807 $query = mb_convert_encoding($query, _CHARSET, $order.' JIS, SJIS, ASCII');
808 if (intval($blogid) == 0) {
809 $blogid = getBlogIDFromName($blogid);
813 doError(_ERROR_NOSUCHBLOG);
816 } elseif ($memberid) {
819 if (!MEMBER::existsID($memberid) ) {
820 doError(_ERROR_NOSUCHMEMBER);
823 $memberinfo = $manager->getMember($memberid);
825 } elseif ($imagepopup) {
826 // media object (images etc.)
827 $type = 'imagepopup';
829 // TODO: check if media-object exists
830 // TODO: set some vars?
832 // show regular index page
837 // decide which blog should be displayed
839 $blogid = $CONF['DefaultBlog'];
842 $b =& $manager->getBlog($blogid);
843 $blog = $b; // references can't be placed in global variables?
845 if (!$blog->isValid) {
846 doError(_ERROR_NOSUCHBLOG);
849 // set catid if necessary
851 $blog->setSelectedCategory($catid);
854 // decide which skin should be used
855 if ($skinid != '' && ($skinid == 0) ) {
860 $skinid = $blog->getDefaultSkin();
863 $special = requestVar('special');
864 if (!empty($special) && isValidShortName($special)) {
865 $type = strtolower($special);
868 $skin = new SKIN($skinid);
870 if (!$skin->isValid) {
871 doError(_ERROR_NOSUCHSKIN);
879 * Show error skin with given message. An optional skin-object to use can be given
881 function doError($msg, $skin = '') {
882 global $errormessage, $CONF, $skinid, $blogid, $manager;
886 if (SKIN::existsID($skinid) ) {
887 $skin = new SKIN($skinid);
888 } elseif ($manager->existsBlogID($blogid) ) {
889 $blog =& $manager->getBlog($blogid);
890 $skin = new SKIN($blog->getDefaultSkin() );
891 } elseif ($CONF['DefaultBlog']) {
892 $blog =& $manager->getBlog($CONF['DefaultBlog']);
893 $skin = new SKIN($blog->getDefaultSkin() );
895 // this statement should actually never be executed
896 $skin = new SKIN($CONF['BaseSkin']);
901 $errormessage = $msg;
902 $skin->parse('error');
906 function getConfig() {
909 $query = 'SELECT * FROM ' . sql_table('config');
910 $res = sql_query($query);
912 while ($obj = mysql_fetch_object($res) ) {
913 $CONF[$obj->name] = $obj->value;
917 // some checks for names of blogs, categories, templates, members, ...
918 function isValidShortName($name) {
919 return eregi('^[a-z0-9]+$', $name);
922 function isValidDisplayName($name) {
923 return eregi('^[a-z0-9]+[a-z0-9 ]*[a-z0-9]+$', $name);
926 function isValidCategoryName($name) {
930 function isValidTemplateName($name) {
931 return eregi('^[a-z0-9/]+$', $name);
934 function isValidSkinName($name) {
935 return eregi('^[a-z0-9/]+$', $name);
938 // add and remove linebreaks
939 function addBreaks($var) {
943 function removeBreaks($var) {
944 return preg_replace("/<br \/>([\r\n])/", "$1", $var);
947 // shortens a text string to maxlength ($toadd) is what needs to be added
948 // at the end (end length is <= $maxlength)
949 function shorten($text, $maxlength, $toadd) {
950 // 1. remove entities...
951 $trans = get_html_translation_table(HTML_ENTITIES);
952 $trans = array_flip($trans);
953 $text = strtr($text, $trans);
955 // 2. the actual shortening
956 if (strlen($text) > $maxlength)
957 $text = mb_strimwidth($text, 0, $maxlength, $toadd, _CHARSET);
962 * Converts a unix timestamp to a mysql DATETIME format, and places
965 function mysqldate($timestamp) {
966 return '"' . date('Y-m-d H:i:s', $timestamp) . '"';
970 * functions for use in index.php
972 function selectBlog($shortname) {
973 global $blogid, $archivelist;
974 $blogid = getBlogIDFromName($shortname);
976 // also force archivelist variable, if it is set
978 $archivelist = $blogid;
982 function selectSkin($skinname) {
984 $skinid = SKIN::getIdFromName($skinname);
988 * Can take either a category ID or a category name (be aware that
989 * multiple categories can have the same name)
991 function selectCategory($cat) {
993 if (is_numeric($cat) ) {
994 $catid = intval($cat);
996 $catid = getCatIDFromName($cat);
1000 function selectItem($id) {
1002 $itemid = intval($id);
1005 // force the use of a language file (warning: can cause warnings)
1006 function selectLanguage($language) {
1008 include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
1011 function parseFile($filename, $includeMode = 'normal', $includePrefix = '') {
1012 $handler = new ACTIONS('fileparser');
1013 $parser = new PARSER(SKIN::getAllowedActionsForType('fileparser'), $handler);
1014 $handler->parser =& $parser;
1016 // set IncludeMode properties of parser
1017 PARSER::setProperty('IncludeMode', $includeMode);
1018 PARSER::setProperty('IncludePrefix', $includePrefix);
1020 if (!file_exists($filename) ) {
1021 doError('A file is missing');
1024 $fsize = filesize($filename);
1031 $fd = fopen ($filename, 'r');
1032 $contents = fread ($fd, $fsize);
1035 // parse file contents
1036 $parser->parse($contents);
1040 * Outputs a debug message
1042 function debug($msg) {
1043 echo '<p><b>' . $msg . "</b></p>\n";
1047 function addToLog($level, $msg) {
1048 ACTIONLOG::add($level, $msg);
1051 // shows a link to help file
1052 function help($id) {
1056 function helpHtml($id) {
1057 return helplink($id) . '<img src="documentation/icon-help.gif" width="15" height="15" alt="' . _HELP_TT . '" /></a>';
1060 function helplink($id) {
1061 return '<a href="documentation/help.html#'. $id . '" onclick="if (event && event.preventDefault) event.preventDefault(); return help(this.href);">';
1064 function getMailFooter() {
1065 $message = "\n\n-----------------------------";
1066 $message .= "\n Powered by Nucleus CMS";
1067 $message .= "\n(http://www.nucleuscms.org/)";
1072 * Returns the name of the language to use
1073 * preference priority: member - site
1074 * defaults to english when no good language found
1076 * checks if file exists, etc...
1078 function getLanguageName() {
1079 global $CONF, $member;
1081 if ($member && $member->isLoggedIn() ) {
1082 // try to use members language
1083 $memlang = $member->getLanguage();
1085 if (($memlang != '') && (checkLanguage($memlang) ) ) {
1090 // use default language
1091 if (checkLanguage($CONF['Language']) ) {
1092 return $CONF['Language'];
1099 * Includes a PHP file. This method can be called while parsing templates and skins
1101 function includephp($filename) {
1102 // make predefined variables global, so most simple scripts can be used here
1104 // apache (names taken from PHP doc)
1105 global $GATEWAY_INTERFACE, $SERVER_NAME, $SERVER_SOFTWARE, $SERVER_PROTOCOL;
1106 global $REQUEST_METHOD, $QUERY_STRING, $DOCUMENT_ROOT, $HTTP_ACCEPT;
1107 global $HTTP_ACCEPT_CHARSET, $HTTP_ACCEPT_ENCODING, $HTTP_ACCEPT_LANGUAGE;
1108 global $HTTP_CONNECTION, $HTTP_HOST, $HTTP_REFERER, $HTTP_USER_AGENT;
1109 global $REMOTE_ADDR, $REMOTE_PORT, $SCRIPT_FILENAME, $SERVER_ADMIN;
1110 global $SERVER_PORT, $SERVER_SIGNATURE, $PATH_TRANSLATED, $SCRIPT_NAME;
1111 global $REQUEST_URI;
1113 // php (taken from PHP doc)
1114 global $argv, $argc, $PHP_SELF, $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $HTTP_POST_VARS;
1115 global $HTTP_POST_FILES, $HTTP_ENV_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS;
1118 global $PATH_INFO, $HTTPS, $HTTP_RAW_POST_DATA, $HTTP_X_FORWARDED_FOR;
1120 if (@file_exists($filename) ) {
1126 * Checks if a certain language/plugin exists
1128 function checkLanguage($lang) {
1130 return file_exists($DIR_LANG . ereg_replace( '[\\|/]', '', $lang) . '.php');
1133 function checkPlugin($plug) {
1134 global $DIR_PLUGINS;
1135 return file_exists($DIR_PLUGINS . ereg_replace( '[\\|/]', '', $plug) . '.php');
1139 * Centralisation of the functions that generate links
1141 function createItemLink($itemid, $extra = '') {
1142 return createLink('item', array('itemid' => $itemid, 'extra' => $extra) );
1145 function createMemberLink($memberid, $extra = '') {
1146 return createLink('member', array('memberid' => $memberid, 'extra' => $extra) );
1149 function createCategoryLink($catid, $extra = '') {
1150 return createLink('category', array('catid' => $catid, 'extra' => $extra) );
1153 function createArchiveListLink($blogid = '', $extra = '') {
1154 return createLink('archivelist', array('blogid' => $blogid, 'extra' => $extra) );
1157 function createArchiveLink($blogid, $archive, $extra = '') {
1158 return createLink('archive', array('blogid' => $blogid, 'archive' => $archive, 'extra' => $extra) );
1161 function createBlogidLink($blogid, $params = '') {
1162 return createLink('blog', array('blogid' => $blogid, 'extra' => $params) );
1165 function createLink($type, $params) {
1166 global $manager, $CONF;
1169 $usePathInfo = ($CONF['URLMode'] == 'pathinfo');
1171 // ask plugins first
1179 'params' => $params,
1180 'completed' => &$created,
1186 // if a plugin created the URL, return it
1191 // default implementation
1195 $url = $CONF['ItemURL'] . '/' . $CONF['ItemKey'] . '/' . $params['itemid'];
1197 $url = $CONF['ItemURL'] . '?itemid=' . $params['itemid'];
1203 $url = $CONF['MemberURL'] . '/' . $CONF['MemberKey'] . '/' . $params['memberid'];
1205 $url = $CONF['MemberURL'] . '?memberid=' . $params['memberid'];
1211 $url = $CONF['CategoryURL'] . '/' . $CONF['CategoryKey'] . '/' . $params['catid'];
1213 $url = $CONF['CategoryURL'] . '?catid=' . $params['catid'];
1218 if (!$params['blogid']) {
1219 $params['blogid'] = $CONF['DefaultBlog'];
1223 $url = $CONF['ArchiveListURL'] . '/' . $CONF['ArchivesKey'] . '/' . $params['blogid'];
1225 $url = $CONF['ArchiveListURL'] . '?archivelist=' . $params['blogid'];
1231 $url = $CONF['ArchiveURL'] . '/' . $CONF['ArchiveKey'] . '/'.$params['blogid'].'/' . $params['archive'];
1233 $url = $CONF['ArchiveURL'] . '?blogid='.$params['blogid'].'&archive=' . $params['archive'];
1239 $url = $CONF['BlogURL'] . '/' . $CONF['BlogKey'] . '/' . $params['blogid'];
1241 $url = $CONF['BlogURL'] . '?blogid=' . $params['blogid'];
1246 return addLinkParams($url, (isset($params['extra'])? $params['extra'] : null));
1249 function createBlogLink($url, $params) {
1250 return addLinkParams($url . '?', $params);
1253 function addLinkParams($link, $params) {
1256 if (is_array($params) ) {
1258 if ($CONF['URLMode'] == 'pathinfo') {
1260 foreach ($params as $param => $value) {
1261 $link .= '/' . $param . '/' . urlencode($value);
1266 foreach ($params as $param => $value) {
1267 $link .= '&' . $param . '=' . urlencode($value);
1278 * querystring to alter (e.g. foo=1&bar=2&x=y)
1280 * name of parameter to change (e.g. 'foo')
1282 * New value for that parameter (e.g. 3)
1284 * altered query string (for the examples above: foo=3&bar=2&x=y)
1286 function alterQueryStr($querystr, $param, $value) {
1287 $vars = explode('&', $querystr);
1290 for ($i = 0; $i < count($vars); $i++) {
1291 $v = explode('=', $vars[$i]);
1293 if ($v[0] == $param) {
1295 $vars[$i] = implode('=', $v);
1302 $vars[] = $param . '=' . $value;
1305 return ltrim(implode('&', $vars), '&');
1308 // passes one variable as hidden input field (multiple fields for arrays)
1309 // @see passRequestVars in varsx.x.x.php
1310 function passVar($key, $value) {
1312 if (is_array($value) ) {
1313 for ($i = 0; $i < sizeof($value); $i++) {
1314 passVar($key . '[' . $i . ']', $value[$i]);
1320 // other values: do stripslashes if needed
1321 ?><input type="hidden" name="<?php echo htmlspecialchars($key)?>" value="<?php echo htmlspecialchars(undoMagic($value) )?>" /><?php
1325 Date format functions (to be used from [%date(..)%] skinvars
1327 function formatDate($format, $timestamp, $defaultFormat, &$blog) {
1328 // apply blog offset (#42)
1329 $boffset = $blog ? $blog->getTimeOffset() * 3600 : 0;
1330 $offset = date('Z', $timestamp) + $boffset;
1341 $tz .= sprintf("%02d%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
1342 return date('D, j M Y H:i:s ', $timestamp) . $tz;
1345 $timestamp -= $offset;
1346 return date('D, j M Y H:i:s ', $timestamp) . 'GMT';
1349 $timestamp -= $offset;
1350 return date('Y-m-d\TH:i:s\Z', $timestamp);
1360 $tz .= sprintf("%02d:%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
1361 return date('Y-m-d\TH:i:s', $timestamp) . $tz;
1364 return strftime($format ? $format : $defaultFormat, $timestamp);
1368 function checkVars($aVars) {
1369 global $HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_SESSION_VARS;
1371 foreach ($aVars as $varName) {
1373 if (phpversion() >= '4.1.0') {
1375 if ( isset($_GET[$varName])
1376 || isset($_POST[$varName])
1377 || isset($_COOKIE[$varName])
1378 || isset($_ENV[$varName])
1379 || isset($_SESSION[$varName])
1380 || isset($_FILES[$varName])
1382 die('Sorry. An error occurred.');
1387 if ( isset($HTTP_GET_VARS[$varName])
1388 || isset($HTTP_POST_VARS[$varName])
1389 || isset($HTTP_COOKIE_VARS[$varName])
1390 || isset($HTTP_ENV_VARS[$varName])
1391 || isset($HTTP_SESSION_VARS[$varName])
1392 || isset($HTTP_POST_FILES[$varName])
1394 die('Sorry. An error occurred.');
1402 * Stops processing the request and redirects to the given URL.
1403 * - no actual contents should have been sent to the output yet
1404 * - the URL will be stripped of illegal or dangerous characters
1406 function redirect($url) {
1407 $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:@%]|i', '', $url);
1408 header('Location: ' . $url);
1413 * Strip HTML tags from a string
1414 * This function is a bit more intelligent than a regular call to strip_tags(),
1415 * because it also deletes the contents of certain tags and cleans up any
1416 * unneeded whitespace.
1418 function stringStripTags ($string) {
1419 $string = preg_replace("/<del[^>]*>.+<\/del[^>]*>/isU", '', $string);
1420 $string = preg_replace("/<script[^>]*>.+<\/script[^>]*>/isU", '', $string);
1421 $string = preg_replace("/<style[^>]*>.+<\/style[^>]*>/isU", '', $string);
1422 $string = str_replace('>', '> ', $string);
1423 $string = str_replace('<', ' <', $string);
1424 $string = strip_tags($string);
1425 $string = preg_replace("/\s+/", " ", $string);
1426 $string = trim($string);
1431 * Make a string containing HTML safe for use in a HTML attribute
1432 * Tags are stripped and entities are normalized
1434 function stringToAttribute ($string) {
1435 $string = stringStripTags($string);
1436 $string = entity::named_to_numeric($string);
1437 $string = entity::normalize_numeric($string);
1439 if (_CHARSET == 'UTF-8') {
1440 $string = entity::numeric_to_utf8($string);
1443 $string = entity::specialchars($string, 'html');
1444 $string = entity::numeric_to_named($string);
1449 * Make a string containing HTML safe for use in a XML document
1450 * Tags are stripped, entities are normalized and named entities are
1451 * converted to numeric entities.
1453 function stringToXML ($string) {
1454 $string = stringStripTags($string);
1455 $string = entity::named_to_numeric($string);
1456 $string = entity::normalize_numeric($string);
1458 if (_CHARSET == 'UTF-8') {
1459 $string = entity::numeric_to_utf8($string);
1462 $string = entity::specialchars($string, 'xml');
1466 // START: functions from the end of file BLOG.php
1467 // used for mail notification (html -> text)
1468 function toAscii($html) {
1469 // strip off most tags
1470 $html = strip_tags($html,'<a>');
1471 $to_replace = "/<a[^>]*href=[\"\']([^\"^']*)[\"\'][^>]*>([^<]*)<\/a>/i";
1473 $ascii = preg_replace_callback ($to_replace, '_links_add', $html);
1474 $ascii .= "\n\n" . _links_list();
1475 return strip_tags($ascii);
1478 function _links_init() {
1480 $tmp_links = array();
1483 function _links_add($match) {
1485 array_push($tmp_links, $match[1]);
1486 return $match[2] . ' [' . sizeof($tmp_links) .']';
1489 function _links_list() {
1493 foreach ($tmp_links as $current) {
1494 $output .= "[$i] $current\n";
1499 // END: functions from the end of file BLOG.php
1501 // START: functions from the end of file ADMIN.php
1503 * @todo document this
1505 function encode_desc($data)
1506 { $to_entities = get_html_translation_table(HTML_ENTITIES);
1507 $from_entities = array_flip($to_entities);
1508 $data = strtr($data,$from_entities);
1509 $data = strtr($data,$to_entities);
1514 * Returns the Javascript code for a bookmarklet that works on most modern browsers
1518 function getBookmarklet($blogid) {
1522 $document = 'document';
1523 $bookmarkletline = "javascript:Q='';x=".$document.";y=window;if(x.selection){Q=x.selection.createRange().text;}else if(y.getSelection){Q=y.getSelection();}else if(x.getSelection){Q=x.getSelection();}wingm=window.open('";
1524 $bookmarkletline .= $CONF['AdminURL'] . "bookmarklet.php?blogid=$blogid";
1525 $bookmarkletline .="&logtext='+escape(Q)+'&loglink='+escape(x.location.href)+'&loglinktitle='+escape(x.title),'nucleusbm','scrollbars=yes,width=600,height=500,left=10,top=10,status=yes,resizable=yes');wingm.focus();";
1527 return $bookmarkletline;
1529 // END: functions from the end of file ADMIN.php
1532 * Returns a variable or null if not set
1534 * @param mixed Variable
1535 * @return mixed Variable
1537 function ifset(&$var) {