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 1.7 2006-07-17 20:03:44 kimitake Exp $
17 * $NucleusJP: globalfunctions.php,v 1.6 2005/08/13 07:27:42 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');
107 if (!headers_sent() ) {
108 header('Generator: Nucleus CMS ' . $nucleus['version']);
111 // include core classes that are needed for login & plugin handling
112 include($DIR_LIBS . 'mysql.php');
113 include($DIR_LIBS . 'MEMBER.php');
114 include($DIR_LIBS . 'ACTIONLOG.php');
115 include($DIR_LIBS . 'MANAGER.php');
116 include($DIR_LIBS . 'PLUGIN.php');
118 $manager =& MANAGER::instance();
120 // make sure there's no unnecessary escaping:
121 set_magic_quotes_runtime(0);
124 if (!isset($CONF['UsingAdminArea'])) {
125 $CONF['UsingAdminArea'] = 0;
128 // only needed when updating logs
129 if ($CONF['UsingAdminArea']) {
130 include($DIR_LIBS . 'xmlrpc.inc.php'); // XML-RPC client classes
131 include_once($DIR_LIBS . 'ADMIN.php');
134 // connect to database
138 // makes sure database connection gets closed on script termination
139 register_shutdown_function('sql_disconnect');
144 // automatically use simpler toolbar for mozilla
145 if (($CONF['DisableJsTools'] == 0) && strstr(serverVar('HTTP_USER_AGENT'), 'Mozilla/5.0') && strstr(serverVar('HTTP_USER_AGENT'), 'Gecko') ) {
146 $CONF['DisableJsTools'] = 2;
149 // login if cookies set
150 $member = new MEMBER();
152 // login/logout when required or renew cookies
153 if ($action == 'login') {
154 // Form Authentication
155 $login = postVar('login');
156 $pw = postVar('password');
157 $shared = intPostVar('shared'); // shared computer or not
159 if ($member->login($login, $pw) ) {
161 $member->newCookieKey();
162 $member->setCookies($shared);
164 // allows direct access to parts of the admin area after logging in
166 $action = $nextaction;
169 $manager->notify('LoginSuccess', array('member' => &$member) );
171 ACTIONLOG::add(INFO, "Login successful for $login (sharedpc=$shared)");
173 // errormessage for [%errordiv%]
174 $errormessage = 'Login failed for ' . $login;
176 $manager->notify('LoginFailed', array('username' => $login) );
177 ACTIONLOG::add(INFO, $errormessage);
181 Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
183 } elseif (serverVar('PHP_AUTH_USER') && serverVar('PHP_AUTH_PW')) {
184 // HTTP Authentication
185 $login = serverVar('PHP_AUTH_USER');
186 $pw = serverVar('PHP_AUTH_PW');
188 if ($member->login($login, $pw) ) {
189 $manager->notify('LoginSuccess',array('member' => &$member));
190 ACTIONLOG::add(INFO, "HTTP authentication successful for $login");
192 $manager->notify('LoginFailed',array('username' => $login));
193 ACTIONLOG::add(INFO, 'HTTP authentication failed for ' . $login);
195 //Since bad credentials, generate an apropriate error page
196 header("WWW-Authenticate: Basic realm=\"Nucleus CMS {$nucleus['version']}\"");
197 header('HTTP/1.0 401 Unauthorized');
198 echo 'Invalid username or password';
203 } elseif (($action == 'logout') && (!headers_sent() ) && cookieVar($CONF['CookiePrefix'] . 'user') ) {
204 // remove cookies on logout
205 setcookie($CONF['CookiePrefix'] . 'user', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
206 setcookie($CONF['CookiePrefix'] . 'loginkey', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
207 $manager->notify('Logout', array('username' => cookieVar($CONF['CookiePrefix'] . 'user') ) );
208 } elseif (cookieVar($CONF['CookiePrefix'] . 'user') ) {
209 // Cookie Authentication
210 $res = $member->cookielogin(cookieVar($CONF['CookiePrefix'] . 'user'), cookieVar($CONF['CookiePrefix'] . 'loginkey') );
212 // renew cookies when not on a shared computer
213 if ($res && (cookieVar($CONF['CookiePrefix'] . 'sharedpc') != 1) && (!headers_sent() ) ) {
214 $member->setCookies();
219 $manager->notify('PostAuthentication', array('loggedIn' => $member->isLoggedIn() ) );
221 // first, let's see if the site is disabled or not. always allow admin area access.
222 if ($CONF['DisableSite'] && !$member->isAdmin() && !$CONF['UsingAdminArea']) {
223 redirect($CONF['DisableSiteURL']);
227 // load other classes
228 include($DIR_LIBS . 'PARSER.php');
229 include($DIR_LIBS . 'SKIN.php');
230 include($DIR_LIBS . 'TEMPLATE.php');
231 include($DIR_LIBS . 'BLOG.php');
232 include($DIR_LIBS . 'COMMENTS.php');
233 include($DIR_LIBS . 'COMMENT.php');
234 //include($DIR_LIBS . 'ITEM.php');
235 include($DIR_LIBS . 'NOTIFICATION.php');
236 include($DIR_LIBS . 'BAN.php');
237 include($DIR_LIBS . 'PAGEFACTORY.php');
238 include($DIR_LIBS . 'SEARCH.php');
239 include($DIR_LIBS . 'entity.php');
242 // set lastVisit cookie (if allowed)
243 if (!headers_sent() ) {
244 if ($CONF['LastVisit']) {
245 setcookie($CONF['CookiePrefix'] . 'lastVisit', time(), time() + 2592000, $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
247 setcookie($CONF['CookiePrefix'] . 'lastVisit', '', (time() - 2592000), $CONF['CookiePath'], $CONF['CookieDomain'], $CONF['CookieSecure']);
251 // read language file, only after user has been initialized
252 $language = getLanguageName();
253 include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
256 Backed out for now: See http://forum.nucleuscms.org/viewtopic.php?t=3684 for details
258 // To remove after v2.5 is released and language files have been updated.
259 // Including this makes sure that language files for v2.5beta can still be used for v2.5final
260 // without having weird _SETTINGS_EXTAUTH string showing up in the admin area.
261 if (!defined('_MEMBERS_BYPASS'))
263 define('_SETTINGS_EXTAUTH', 'Enable External Authentication');
264 define('_WARNING_EXTAUTH', 'Warning: Enable only if needed.');
265 define('_MEMBERS_BYPASS', 'Use External Authentication');
270 // make sure the archivetype skinvar keeps working when _ARCHIVETYPE_XXX not defined
271 if (!defined('_ARCHIVETYPE_MONTH') ) {
272 define('_ARCHIVETYPE_DAY', 'day');
273 define('_ARCHIVETYPE_MONTH', 'month');
277 if ($CONF['URLMode'] == 'pathinfo') {
278 // initialize keywords if this hasn't been done before
279 if ($CONF['ItemKey'] == '') {
280 $CONF['ItemKey'] = 'item';
283 if ($CONF['ArchiveKey'] == '') {
284 $CONF['ArchiveKey'] = 'archive';
287 if ($CONF['ArchivesKey'] == '') {
288 $CONF['ArchivesKey'] = 'archives';
291 if ($CONF['MemberKey'] == '') {
292 $CONF['MemberKey'] = 'member';
295 if ($CONF['BlogKey'] == '') {
296 $CONF['BlogKey'] = 'blog';
299 if ($CONF['CategoryKey'] == '') {
300 $CONF['CategoryKey'] = 'category';
307 'type' => basename(serverVar('SCRIPT_NAME') ), // e.g. item, blog, ...
308 'info' => serverVar('PATH_INFO'),
309 'complete' => &$parsed
314 // default implementation
315 $data = explode("/", serverVar('PATH_INFO') );
316 for ($i = 0; $i < sizeof($data); $i++) {
318 case $CONF['ItemKey']: // item/1 (blogid)
321 if ($i < sizeof($data) ) {
322 $itemid = intval($data[$i]);
326 case $CONF['ArchivesKey']: // archives/1 (blogid)
329 if ($i < sizeof($data) ) {
330 $archivelist = intval($data[$i]);
334 case $CONF['ArchiveKey']: // two possibilities: archive/yyyy-mm or archive/1/yyyy-mm (with blogid)
335 if ((($i + 1) < sizeof($data) ) && (!strstr($data[$i + 1], '-') ) ) {
336 $blogid = intval($data[++$i]);
341 if ($i < sizeof($data) ) {
342 $archive = $data[$i];
346 case 'blogid': // blogid/1
347 case $CONF['BlogKey']: // blog/1
350 if ($i < sizeof($data) ) {
351 $blogid = intval($data[$i]);
355 case $CONF['CategoryKey']: // category/1 (catid)
359 if ($i < sizeof($data) ) {
360 $catid = intval($data[$i]);
364 case $CONF['MemberKey']:
367 if ($i < sizeof($data) ) {
368 $memberid = intval($data[$i]);
379 function intPostVar($name) {
380 return intval(postVar($name) );
383 function intGetVar($name) {
384 return intval(getVar($name) );
387 function intRequestVar($name) {
388 return intval(requestVar($name) );
391 function intCookieVar($name) {
392 return intval(cookieVar($name) );
396 * returns the currently used version (100 = 1.00, 101 = 1.01, etc...)
398 function getNucleusVersion() {
403 * power users can install patches in between nucleus releases. These patches
404 * usually add new functionality in the plugin API and allow those to
405 * be tested without having to install CVS.
407 function getNucleusPatchLevel() {
412 * Connects to mysql server
414 function sql_connect() {
415 global $MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD, $MYSQL_DATABASE, $MYSQL_CONN;
417 $MYSQL_CONN = @mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASSWORD) or startUpError('<p>Could not connect to MySQL database.</p>', 'Connect Error');
418 mysql_select_db($MYSQL_DATABASE) or startUpError('<p>Could not select database: ' . mysql_error() . '</p>', 'Connect Error');
424 * returns a prefixed nucleus table name
426 function sql_table($name) {
427 global $MYSQL_PREFIX;
430 return $MYSQL_PREFIX . 'nucleus_' . $name;
432 return 'nucleus_' . $name;
436 function sendContentType($contenttype, $pagetype = '', $charset = _CHARSET) {
437 global $manager, $CONF;
439 if (!headers_sent() ) {
440 // if content type is application/xhtml+xml, only send it to browsers
441 // that can handle it (IE6 cannot). Otherwise, send text/html
443 // v2.5: For admin area pages, keep sending text/html (unless it's a debug version)
444 // application/xhtml+xml still causes too much problems with the javascript implementations
446 // v3.3: ($CONF['UsingAdminArea'] && !$CONF['debug']) gets removed,
447 // application/xhtml+xml seems to be working, so we're going to use it if we can.
449 ($contenttype == 'application/xhtml+xml')
450 && (!stristr(serverVar('HTTP_ACCEPT'), 'application/xhtml+xml') )
452 $contenttype = 'text/html';
456 'PreSendContentType',
458 'contentType' => &$contenttype,
459 'charset' => &$charset,
460 'pageType' => $pagetype
464 // strip strange characters
465 $contenttype = preg_replace('|[^a-z0-9-+./]|i', '', $contenttype);
466 $charset = preg_replace('|[^a-z0-9-_]|i', '', $charset);
468 if ($charset != '') {
469 header('Content-Type: ' . $contenttype . '; charset=' . $charset);
471 header('Content-Type: ' . $contenttype);
477 * Errors before the database connection has been made
479 function startUpError($msg, $title) {
481 <html xmlns="http://www.w3.org/1999/xhtml">
482 <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title><?php echo htmlspecialchars($title)?></title></head>
484 <h1><?php echo htmlspecialchars($title)?></h1>
492 * disconnects from SQL server
494 function sql_disconnect() {
499 * executes an SQL query
501 function sql_query($query) {
504 $res = mysql_query($query) or print("mySQL error with query $query: " . mysql_error() . '<p />');
510 * Highlights a specific query in a given HTML text (not within HTML tags) and returns it
513 * text to be highlighted
515 * regular expression to be matched (can be an array of expressions as well)
517 * highlight to be used (use \\0 to indicate the matched expression)
520 function highlight($text, $expression, $highlight) {
521 if (!$highlight || !$expression) {
525 if (is_array($expression) && (count($expression) == 0) ) {
529 // add a tag in front (is needed for preg_match_all to work correct)
530 $text = '<!--h-->' . $text;
532 // split the HTML up so we have HTML tags
533 // $matches[0][i] = HTML + text
534 // $matches[1][i] = HTML
535 // $matches[2][i] = text
536 preg_match_all('/(<[^>]+>)([^<>]*)/', $text, $matches);
538 // throw it all together again while applying the highlight to the text pieces
540 for ($i = 0; $i < sizeof($matches[2]); $i++) {
542 $result .= $matches[1][$i];
545 if (is_array($expression) ) {
546 foreach ($expression as $regex) {
548 $matches[2][$i] = @eregi_replace($regex, $highlight, $matches[2][$i]);
552 $result .= $matches[2][$i];
554 $result .= @eregi_replace($expression, $highlight, $matches[2][$i]);
562 * Parses a query into an array of expressions that can be passed on to the highlight method
564 function parseHighlight($query) {
565 // TODO: add more intelligent splitting logic
568 $query = preg_replace('/\'|"/', '', $query);
574 $aHighlight = explode(' ', $query);
576 for ($i = 0; $i < count($aHighlight); $i++) {
577 $aHighlight[$i] = trim($aHighlight[$i]);
579 if (strlen($aHighlight[$i]) < 3) {
580 unset($aHighlight[$i]);
584 if (count($aHighlight) == 1) {
585 return $aHighlight[0];
592 * Checks if email address is valid
594 function isValidMailAddress($address) {
595 if (preg_match('/^[a-zA-Z0-9\._-]+@[a-zA-Z0-9\._-]+\.[A-Za-z]{2,5}$/', $address) ) {
603 // some helper functions
604 function getBlogIDFromName($name) {
605 return quickQuery('SELECT bnumber as result FROM ' . sql_table('blog') . ' WHERE bshortname="' . addslashes($name) . '"');
608 function getBlogNameFromID($id) {
609 return quickQuery('SELECT bname as result FROM ' . sql_table('blog') . ' WHERE bnumber=' . intval($id) );
612 function getBlogIDFromItemID($itemid) {
613 return quickQuery('SELECT iblog as result FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid) );
616 function getBlogIDFromCommentID($commentid) {
617 return quickQuery('SELECT cblog as result FROM ' . sql_table('comment') . ' WHERE cnumber=' . intval($commentid) );
620 function getBlogIDFromCatID($catid) {
621 return quickQuery('SELECT cblog as result FROM ' . sql_table('category') . ' WHERE catid=' . intval($catid) );
624 function getCatIDFromName($name) {
625 return quickQuery('SELECT catid as result FROM ' . sql_table('category') . ' WHERE cname="' . addslashes($name) . '"');
628 function quickQuery($q) {
629 $res = sql_query($q);
630 $obj = mysql_fetch_object($res);
634 function getPluginNameFromPid($pid) {
635 $res = sql_query('SELECT pfile FROM ' . sql_table('plugin') . ' WHERE pid=' . intval($pid) );
636 $obj = mysql_fetch_object($res);
640 function selector() {
641 global $itemid, $blogid, $memberid, $query, $amount, $archivelist, $maxresults;
642 global $archive, $skinid, $blog, $memberinfo, $CONF, $member;
643 global $imagepopup, $catid;
646 $actionNames = array('addcomment', 'sendmessage', 'createaccount', 'forgotpassword', 'votepositive', 'votenegative', 'plugin');
647 $action = requestVar('action');
649 if (in_array($action, $actionNames) ) {
650 global $DIR_LIBS, $errormessage;
651 include_once($DIR_LIBS . 'ACTION.php');
653 $errorInfo = $a->doAction($action);
656 $errormessage = $errorInfo['message'];
660 // show error when headers already sent out
661 if (headers_sent() && $CONF['alertOnHeadersSent']) {
663 // try to get line number/filename (extra headers_sent params only exists in PHP 4.3+)
664 if (function_exists('version_compare') && version_compare('4.3.0', phpversion(), '<=') ) {
665 headers_sent($hsFile, $hsLine);
666 $extraInfo = ' in <code>' . $hsFile . '</code> line <code>' . $hsLine . '</code>';
672 '<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>',
673 'Page headers already sent'
678 // make is so ?archivelist without blogname or blogid shows the archivelist
679 // for the default weblog
680 if (serverVar('QUERY_STRING') == 'archivelist') {
681 $archivelist = $CONF['DefaultBlog'];
684 // now decide which type of skin we need
686 // itemid given -> only show that item
689 if (!$manager->existsItem($itemid,0,0) ) {
690 doError(_ERROR_NOSUCHITEM);
693 global $itemidprev, $itemidnext, $catid, $itemtitlenext, $itemtitleprev;
695 // 1. get timestamp, blogid and catid for item
696 $query = 'SELECT itime, iblog, icat FROM ' . sql_table('item') . ' WHERE inumber=' . intval($itemid);
697 $res = sql_query($query);
698 $obj = mysql_fetch_object($res);
700 // if a different blog id has been set through the request or selectBlog(),
702 // if ($blogid && (intval($blogid) != $obj->iblog) ) {
703 // doError(_ERROR_NOSUCHITEM);
705 if ($blogid && (intval($blogid) != $obj->iblog) ) {
706 if (!headers_sent()) {
707 $b =& $manager->getBlog($obj->iblog);
708 $correctURL = $b->getURL();
710 if ($CONF['URLMode'] == 'pathinfo') {
711 if (substr($correctURL,strlen($correctURL)-1,1)=='/') {
712 $correctURL .= 'item/' . $itemid;
714 $correctURL .= '/item/' . $itemid;
717 $correctURL .= '?itemid=' . $itemid;
720 redirect($correctURL);
723 doError(_ERROR_NOSUCHITEM);
727 // if a category has been selected which doesn't match the item, ignore the
729 if (($catid != 0) && ($catid != $obj->icat) ) {
733 $blogid = $obj->iblog;
734 $timestamp = strtotime($obj->itime);
736 $b =& $manager->getBlog($blogid);
738 if ($b->isValidCategory($catid) ) {
739 $catextra = ' and icat=' . $catid;
742 // get previous itemid and title
743 $query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime<' . mysqldate($timestamp) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime DESC LIMIT 1';
744 $res = sql_query($query);
746 $obj = mysql_fetch_object($res);
749 $itemidprev = $obj->inumber;
750 $itemtitleprev = $obj->ititle;
753 // get next itemid and title
754 $query = 'SELECT inumber, ititle FROM ' . sql_table('item') . ' WHERE itime>' . mysqldate($timestamp) . ' and itime <= ' . mysqldate($b->getCorrectTime()) . ' and idraft=0 and iblog=' . $blogid . $catextra . ' ORDER BY itime ASC LIMIT 1';
755 $res = sql_query($query);
757 $obj = mysql_fetch_object($res);
760 $itemidnext = $obj->inumber;
761 $itemtitlenext = $obj->ititle;
764 } elseif ($archive) {
768 // get next and prev month links
769 global $archivenext, $archiveprev, $archivetype;
771 sscanf($archive, '%d-%d-%d', $y, $m, $d);
774 $archivetype = _ARCHIVETYPE_DAY;
775 $t = mktime(0, 0, 0, $m, $d, $y);
776 $archiveprev = strftime('%Y-%m-%d', $t - (24 * 60 * 60) );
777 $archivenext = strftime('%Y-%m-%d', $t + (24 * 60 * 60) );
779 $archivetype = _ARCHIVETYPE_MONTH;
780 $t = mktime(0, 0, 0, $m, 1, $y);
781 $archiveprev = strftime('%Y-%m', $t - (1 * 24 * 60 * 60) );
782 $archivenext = strftime('%Y-%m', $t + (32 * 24 * 60 * 60) );
785 } elseif ($archivelist) {
786 $type = 'archivelist';
788 if (intval($archivelist) != 0) {
789 $blogid = $archivelist;
791 $blogid = getBlogIDFromName($archivelist);
795 doError(_ERROR_NOSUCHBLOG);
801 $query = stripslashes($query);
802 if(preg_match("/^(\xA1{2}|\xe3\x80{2}|\x20)+$/",$query)){
805 $order = (_CHARSET == 'EUC-JP') ? 'EUC-JP, UTF-8,' : 'UTF-8, EUC-JP,';
806 $query = mb_convert_encoding($query, _CHARSET, $order.' JIS, SJIS, ASCII');
807 if (intval($blogid) == 0) {
808 $blogid = getBlogIDFromName($blogid);
812 doError(_ERROR_NOSUCHBLOG);
815 } elseif ($memberid) {
818 if (!MEMBER::existsID($memberid) ) {
819 doError(_ERROR_NOSUCHMEMBER);
822 $memberinfo = $manager->getMember($memberid);
824 } elseif ($imagepopup) {
825 // media object (images etc.)
826 $type = 'imagepopup';
828 // TODO: check if media-object exists
829 // TODO: set some vars?
831 // show regular index page
836 // decide which blog should be displayed
838 $blogid = $CONF['DefaultBlog'];
841 $b =& $manager->getBlog($blogid);
842 $blog = $b; // references can't be placed in global variables?
844 if (!$blog->isValid) {
845 doError(_ERROR_NOSUCHBLOG);
848 // set catid if necessary
850 $blog->setSelectedCategory($catid);
853 // decide which skin should be used
854 if ($skinid != '' && ($skinid == 0) ) {
859 $skinid = $blog->getDefaultSkin();
862 $special = requestVar('special');
863 if (!empty($special) && isValidShortName($special)) {
864 $type = strtolower($special);
867 $skin = new SKIN($skinid);
869 if (!$skin->isValid) {
870 doError(_ERROR_NOSUCHSKIN);
878 * Show error skin with given message. An optional skin-object to use can be given
880 function doError($msg, $skin = '') {
881 global $errormessage, $CONF, $skinid, $blogid, $manager;
885 if (SKIN::existsID($skinid) ) {
886 $skin = new SKIN($skinid);
887 } elseif ($manager->existsBlogID($blogid) ) {
888 $blog =& $manager->getBlog($blogid);
889 $skin = new SKIN($blog->getDefaultSkin() );
890 } elseif ($CONF['DefaultBlog']) {
891 $blog =& $manager->getBlog($CONF['DefaultBlog']);
892 $skin = new SKIN($blog->getDefaultSkin() );
894 // this statement should actually never be executed
895 $skin = new SKIN($CONF['BaseSkin']);
900 $errormessage = $msg;
901 $skin->parse('error');
905 function getConfig() {
908 $query = 'SELECT * FROM ' . sql_table('config');
909 $res = sql_query($query);
911 while ($obj = mysql_fetch_object($res) ) {
912 $CONF[$obj->name] = $obj->value;
916 // some checks for names of blogs, categories, templates, members, ...
917 function isValidShortName($name) {
918 return eregi('^[a-z0-9]+$', $name);
921 function isValidDisplayName($name) {
922 return eregi('^[a-z0-9]+[a-z0-9 ]*[a-z0-9]+$', $name);
925 function isValidCategoryName($name) {
929 function isValidTemplateName($name) {
930 return eregi('^[a-z0-9/]+$', $name);
933 function isValidSkinName($name) {
934 return eregi('^[a-z0-9/]+$', $name);
937 // add and remove linebreaks
938 function addBreaks($var) {
942 function removeBreaks($var) {
943 return preg_replace("/<br \/>([\r\n])/", "$1", $var);
946 // shortens a text string to maxlength ($toadd) is what needs to be added
947 // at the end (end length is <= $maxlength)
948 function shorten($text, $maxlength, $toadd) {
949 // 1. remove entities...
950 $trans = get_html_translation_table(HTML_ENTITIES);
951 $trans = array_flip($trans);
952 $text = strtr($text, $trans);
954 // 2. the actual shortening
955 if (strlen($text) > $maxlength)
956 $text = mb_strimwidth($text, 0, $maxlength, $toadd, _CHARSET);
961 * Converts a unix timestamp to a mysql DATETIME format, and places
964 function mysqldate($timestamp) {
965 return '"' . date('Y-m-d H:i:s', $timestamp) . '"';
969 * functions for use in index.php
971 function selectBlog($shortname) {
972 global $blogid, $archivelist;
973 $blogid = getBlogIDFromName($shortname);
975 // also force archivelist variable, if it is set
977 $archivelist = $blogid;
981 function selectSkin($skinname) {
983 $skinid = SKIN::getIdFromName($skinname);
987 * Can take either a category ID or a category name (be aware that
988 * multiple categories can have the same name)
990 function selectCategory($cat) {
992 if (is_numeric($cat) ) {
993 $catid = intval($cat);
995 $catid = getCatIDFromName($cat);
999 function selectItem($id) {
1001 $itemid = intval($id);
1004 // force the use of a language file (warning: can cause warnings)
1005 function selectLanguage($language) {
1007 include($DIR_LANG . ereg_replace( '[\\|/]', '', $language) . '.php');
1010 function parseFile($filename, $includeMode = 'normal', $includePrefix = '') {
1011 $handler = new ACTIONS('fileparser');
1012 $parser = new PARSER(SKIN::getAllowedActionsForType('fileparser'), $handler);
1013 $handler->parser =& $parser;
1015 // set IncludeMode properties of parser
1016 PARSER::setProperty('IncludeMode', $includeMode);
1017 PARSER::setProperty('IncludePrefix', $includePrefix);
1019 if (!file_exists($filename) ) {
1020 doError('A file is missing');
1023 $fsize = filesize($filename);
1030 $fd = fopen ($filename, 'r');
1031 $contents = fread ($fd, $fsize);
1034 // parse file contents
1035 $parser->parse($contents);
1039 * Outputs a debug message
1041 function debug($msg) {
1042 echo '<p><b>' . $msg . "</b></p>\n";
1046 function addToLog($level, $msg) {
1047 ACTIONLOG::add($level, $msg);
1050 // shows a link to help file
1051 function help($id) {
1055 function helpHtml($id) {
1056 return helplink($id) . '<img src="documentation/icon-help.gif" width="15" height="15" alt="' . _HELP_TT . '" /></a>';
1059 function helplink($id) {
1060 return '<a href="documentation/help.html#'. $id . '" onclick="if (event && event.preventDefault) event.preventDefault(); return help(this.href);">';
1063 function getMailFooter() {
1064 $message = "\n\n-----------------------------";
1065 $message .= "\n Powered by Nucleus CMS";
1066 $message .= "\n(http://www.nucleuscms.org/)";
1071 * Returns the name of the language to use
1072 * preference priority: member - site
1073 * defaults to english when no good language found
1075 * checks if file exists, etc...
1077 function getLanguageName() {
1078 global $CONF, $member;
1080 if ($member && $member->isLoggedIn() ) {
1081 // try to use members language
1082 $memlang = $member->getLanguage();
1084 if (($memlang != '') && (checkLanguage($memlang) ) ) {
1089 // use default language
1090 if (checkLanguage($CONF['Language']) ) {
1091 return $CONF['Language'];
1098 * Includes a PHP file. This method can be called while parsing templates and skins
1100 function includephp($filename) {
1101 // make predefined variables global, so most simple scripts can be used here
1103 // apache (names taken from PHP doc)
1104 global $GATEWAY_INTERFACE, $SERVER_NAME, $SERVER_SOFTWARE, $SERVER_PROTOCOL;
1105 global $REQUEST_METHOD, $QUERY_STRING, $DOCUMENT_ROOT, $HTTP_ACCEPT;
1106 global $HTTP_ACCEPT_CHARSET, $HTTP_ACCEPT_ENCODING, $HTTP_ACCEPT_LANGUAGE;
1107 global $HTTP_CONNECTION, $HTTP_HOST, $HTTP_REFERER, $HTTP_USER_AGENT;
1108 global $REMOTE_ADDR, $REMOTE_PORT, $SCRIPT_FILENAME, $SERVER_ADMIN;
1109 global $SERVER_PORT, $SERVER_SIGNATURE, $PATH_TRANSLATED, $SCRIPT_NAME;
1110 global $REQUEST_URI;
1112 // php (taken from PHP doc)
1113 global $argv, $argc, $PHP_SELF, $HTTP_COOKIE_VARS, $HTTP_GET_VARS, $HTTP_POST_VARS;
1114 global $HTTP_POST_FILES, $HTTP_ENV_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS;
1117 global $PATH_INFO, $HTTPS, $HTTP_RAW_POST_DATA, $HTTP_X_FORWARDED_FOR;
1119 if (@file_exists($filename) ) {
1125 * Checks if a certain language/plugin exists
1127 function checkLanguage($lang) {
1129 return file_exists($DIR_LANG . ereg_replace( '[\\|/]', '', $lang) . '.php');
1132 function checkPlugin($plug) {
1133 global $DIR_PLUGINS;
1134 return file_exists($DIR_PLUGINS . ereg_replace( '[\\|/]', '', $plug) . '.php');
1138 * Centralisation of the functions that generate links
1140 function createItemLink($itemid, $extra = '') {
1141 return createLink('item', array('itemid' => $itemid, 'extra' => $extra) );
1144 function createMemberLink($memberid, $extra = '') {
1145 return createLink('member', array('memberid' => $memberid, 'extra' => $extra) );
1148 function createCategoryLink($catid, $extra = '') {
1149 return createLink('category', array('catid' => $catid, 'extra' => $extra) );
1152 function createArchiveListLink($blogid = '', $extra = '') {
1153 return createLink('archivelist', array('blogid' => $blogid, 'extra' => $extra) );
1156 function createArchiveLink($blogid, $archive, $extra = '') {
1157 return createLink('archive', array('blogid' => $blogid, 'archive' => $archive, 'extra' => $extra) );
1160 function createBlogidLink($blogid, $params = '') {
1161 return createLink('blog', array('blogid' => $blogid, 'extra' => $params) );
1164 function createLink($type, $params) {
1165 global $manager, $CONF;
1168 $usePathInfo = ($CONF['URLMode'] == 'pathinfo');
1170 // ask plugins first
1178 'params' => $params,
1179 'completed' => &$created,
1185 // if a plugin created the URL, return it
1190 // default implementation
1194 $url = $CONF['ItemURL'] . '/' . $CONF['ItemKey'] . '/' . $params['itemid'];
1196 $url = $CONF['ItemURL'] . '?itemid=' . $params['itemid'];
1202 $url = $CONF['MemberURL'] . '/' . $CONF['MemberKey'] . '/' . $params['memberid'];
1204 $url = $CONF['MemberURL'] . '?memberid=' . $params['memberid'];
1210 $url = $CONF['CategoryURL'] . '/' . $CONF['CategoryKey'] . '/' . $params['catid'];
1212 $url = $CONF['CategoryURL'] . '?catid=' . $params['catid'];
1217 if (!$params['blogid']) {
1218 $params['blogid'] = $CONF['DefaultBlog'];
1222 $url = $CONF['ArchiveListURL'] . '/' . $CONF['ArchivesKey'] . '/' . $params['blogid'];
1224 $url = $CONF['ArchiveListURL'] . '?archivelist=' . $params['blogid'];
1230 $url = $CONF['ArchiveURL'] . '/' . $CONF['ArchiveKey'] . '/'.$params['blogid'].'/' . $params['archive'];
1232 $url = $CONF['ArchiveURL'] . '?blogid='.$params['blogid'].'&archive=' . $params['archive'];
1238 $url = $CONF['BlogURL'] . '/' . $CONF['BlogKey'] . '/' . $params['blogid'];
1240 $url = $CONF['BlogURL'] . '?blogid=' . $params['blogid'];
1245 return addLinkParams($url, (isset($params['extra'])? $params['extra'] : null));
1248 function createBlogLink($url, $params) {
1249 return addLinkParams($url . '?', $params);
1252 function addLinkParams($link, $params) {
1255 if (is_array($params) ) {
1257 if ($CONF['URLMode'] == 'pathinfo') {
1259 foreach ($params as $param => $value) {
1260 $link .= '/' . $param . '/' . urlencode($value);
1265 foreach ($params as $param => $value) {
1266 $link .= '&' . $param . '=' . urlencode($value);
1277 * querystring to alter (e.g. foo=1&bar=2&x=y)
1279 * name of parameter to change (e.g. 'foo')
1281 * New value for that parameter (e.g. 3)
1283 * altered query string (for the examples above: foo=3&bar=2&x=y)
1285 function alterQueryStr($querystr, $param, $value) {
1286 $vars = explode('&', $querystr);
1289 for ($i = 0; $i < count($vars); $i++) {
1290 $v = explode('=', $vars[$i]);
1292 if ($v[0] == $param) {
1294 $vars[$i] = implode('=', $v);
1301 $vars[] = $param . '=' . $value;
1304 return ltrim(implode('&', $vars), '&');
1307 // passes one variable as hidden input field (multiple fields for arrays)
1308 // @see passRequestVars in varsx.x.x.php
1309 function passVar($key, $value) {
1311 if (is_array($value) ) {
1312 for ($i = 0; $i < sizeof($value); $i++) {
1313 passVar($key . '[' . $i . ']', $value[$i]);
1319 // other values: do stripslashes if needed
1320 ?><input type="hidden" name="<?php echo htmlspecialchars($key)?>" value="<?php echo htmlspecialchars(undoMagic($value) )?>" /><?php
1324 Date format functions (to be used from [%date(..)%] skinvars
1326 function formatDate($format, $timestamp, $defaultFormat, &$blog) {
1327 // apply blog offset (#42)
1328 $boffset = $blog ? $blog->getTimeOffset() * 3600 : 0;
1329 $offset = date('Z', $timestamp) + $boffset;
1340 $tz .= sprintf("%02d%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
1341 return date('D, j M Y H:i:s ', $timestamp) . $tz;
1344 $timestamp -= $offset;
1345 return date('D, j M Y H:i:s ', $timestamp) . 'GMT';
1348 $timestamp -= $offset;
1349 return date('Y-m-d\TH:i:s\Z', $timestamp);
1359 $tz .= sprintf("%02d:%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
1360 return date('Y-m-d\TH:i:s', $timestamp) . $tz;
1363 return strftime($format ? $format : $defaultFormat, $timestamp);
1367 function checkVars($aVars) {
1368 global $HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES, $HTTP_SESSION_VARS;
1370 foreach ($aVars as $varName) {
1372 if (phpversion() >= '4.1.0') {
1374 if ( isset($_GET[$varName])
1375 || isset($_POST[$varName])
1376 || isset($_COOKIE[$varName])
1377 || isset($_ENV[$varName])
1378 || isset($_SESSION[$varName])
1379 || isset($_FILES[$varName])
1381 die('Sorry. An error occurred.');
1386 if ( isset($HTTP_GET_VARS[$varName])
1387 || isset($HTTP_POST_VARS[$varName])
1388 || isset($HTTP_COOKIE_VARS[$varName])
1389 || isset($HTTP_ENV_VARS[$varName])
1390 || isset($HTTP_SESSION_VARS[$varName])
1391 || isset($HTTP_POST_FILES[$varName])
1393 die('Sorry. An error occurred.');
1401 * Stops processing the request and redirects to the given URL.
1402 * - no actual contents should have been sent to the output yet
1403 * - the URL will be stripped of illegal or dangerous characters
1405 function redirect($url) {
1406 $url = preg_replace('|[^a-z0-9-~+_.?#=&;,/:@%]|i', '', $url);
1407 header('Location: ' . $url);
1412 * Strip HTML tags from a string
1413 * This function is a bit more intelligent than a regular call to strip_tags(),
1414 * because it also deletes the contents of certain tags and cleans up any
1415 * unneeded whitespace.
1417 function stringStripTags ($string) {
1418 $string = preg_replace("/<del[^>]*>.+<\/del[^>]*>/isU", '', $string);
1419 $string = preg_replace("/<script[^>]*>.+<\/script[^>]*>/isU", '', $string);
1420 $string = preg_replace("/<style[^>]*>.+<\/style[^>]*>/isU", '', $string);
1421 $string = str_replace('>', '> ', $string);
1422 $string = str_replace('<', ' <', $string);
1423 $string = strip_tags($string);
1424 $string = preg_replace("/\s+/", " ", $string);
1425 $string = trim($string);
1430 * Make a string containing HTML safe for use in a HTML attribute
1431 * Tags are stripped and entities are normalized
1433 function stringToAttribute ($string) {
1434 $string = stringStripTags($string);
1435 $string = entity::named_to_numeric($string);
1436 $string = entity::normalize_numeric($string);
1438 if (_CHARSET == 'UTF-8') {
1439 $string = entity::numeric_to_utf8($string);
1442 $string = entity::specialchars($string, 'html');
1443 $string = entity::numeric_to_named($string);
1448 * Make a string containing HTML safe for use in a XML document
1449 * Tags are stripped, entities are normalized and named entities are
1450 * converted to numeric entities.
1452 function stringToXML ($string) {
1453 $string = stringStripTags($string);
1454 $string = entity::named_to_numeric($string);
1455 $string = entity::normalize_numeric($string);
1457 if (_CHARSET == 'UTF-8') {
1458 $string = entity::numeric_to_utf8($string);
1461 $string = entity::specialchars($string, 'xml');
1465 // START: functions from the end of file BLOG.php
1466 // used for mail notification (html -> text)
1467 function toAscii($html) {
1468 // strip off most tags
1469 $html = strip_tags($html,'<a>');
1470 $to_replace = "/<a[^>]*href=[\"\']([^\"^']*)[\"\'][^>]*>([^<]*)<\/a>/i";
1472 $ascii = preg_replace_callback ($to_replace, '_links_add', $html);
1473 $ascii .= "\n\n" . _links_list();
1474 return strip_tags($ascii);
1477 function _links_init() {
1479 $tmp_links = array();
1482 function _links_add($match) {
1484 array_push($tmp_links, $match[1]);
1485 return $match[2] . ' [' . sizeof($tmp_links) .']';
1488 function _links_list() {
1492 foreach ($tmp_links as $current) {
1493 $output .= "[$i] $current\n";
1498 // END: functions from the end of file BLOG.php
1500 // START: functions from the end of file ADMIN.php
1502 * @todo document this
1504 function encode_desc($data)
1505 { $to_entities = get_html_translation_table(HTML_ENTITIES);
1506 $from_entities = array_flip($to_entities);
1507 $data = strtr($data,$from_entities);
1508 $data = strtr($data,$to_entities);
1513 * Returns the Javascript code for a bookmarklet that works on most modern browsers
1517 function getBookmarklet($blogid) {
1521 $document = 'document';
1522 $bookmarkletline = "javascript:Q='';x=".$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('";
1523 $bookmarkletline .= $CONF['AdminURL'] . "bookmarklet.php?blogid=$blogid";
1524 $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();";
1526 return $bookmarkletline;
1528 // END: functions from the end of file ADMIN.php
1531 * Returns a variable or null if not set
1533 * @param mixed Variable
1534 * @return mixed Variable
1536 function ifset(&$var) {