--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/render.php Wed Jun 13 16:07:17 2007 -0400
@@ -0,0 +1,792 @@
+<?php
+/*
+ * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ * Version 1.0 (Banshee)
+ * render.php - handles fetching pages and parsing them into HTML
+ * Copyright (C) 2006-2007 Dan Fuhry
+ *
+ * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
+ */
+
+class RenderMan {
+
+ function strToPageID($string)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ $k = array_keys($paths->nslist);
+ for($i=0;$i<sizeof($paths->nslist);$i++)
+ {
+ $ln = strlen($paths->nslist[$k[$i]]);
+ if(substr($string, 0, $ln) == $paths->nslist[$k[$i]])
+ {
+ $ns = $k[$i];
+ $pg = substr($string, strlen($paths->nslist[$ns]), strlen($string));
+ }
+ }
+ return Array($pg, $ns);
+ }
+
+ function getPage($page_id, $namespace, $wiki = 1, $smilies = true, $filter_links = true, $redir = true, $render = true)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ dc_here('render: page requested<br />ID/namespace: '."$page_id, $namespace<br />Wiki mode: $wiki<br />Smilies: ".(string)$smilies."<br />Allow redirects: ".(string)$redir);
+
+ $perms =& $session;
+
+ if ( $page_id != $paths->cpage['urlname_nons'] || $namespace != $paths->namespace )
+ {
+ unset($perms);
+ unset($perms); // PHP <5.1.5 Zend bug
+ $perms = $session->fetch_page_acl($page_id, $namespace);
+ }
+
+ if(!$perms->get_permissions('read'))
+ return 'Access denied ('.$paths->nslist[$namespace].$page_id.')';
+
+ if($wiki == 0 || $render == false)
+ {
+ if(!$perms->get_permissions('view_source'))
+ {
+ return 'Access denied ('.$paths->nslist[$namespace].$page_id.')';
+ }
+ }
+
+ $q = $db->sql_query('SELECT page_text,char_tag FROM '.table_prefix.'page_text WHERE page_id=\''.$db->escape($page_id).'\' AND namespace=\''.$db->escape($namespace).'\';');
+ if ( !$q )
+ {
+ $db->_die('Method called was: RenderMan::getPage(\''.$page_id.'\', \''.$namespace.'\');.');
+ }
+ if ( $db->numrows() < 1 )
+ {
+ return false;
+ }
+ $row = $db->fetchrow();
+ $db->free_result();
+
+ $message = $row['page_text'];
+ $chartag = $row['char_tag'];
+ unset($row); // Free some memory
+
+ if ( preg_match('#^\#redirect \[\[(.+?)\]\]#', $message, $m) && $redir && !isset($_GET['redirect']) || ( isset($_GET['redirect']) && $_GET['redirect'] != 'no' ) )
+ {
+ dc_here('render: looks like a redirect page to me...');
+ $old = $paths->cpage;
+ $a = RenderMan::strToPageID($m[1]);
+ $a[0] = str_replace(' ', '_', $a[0]);
+
+ $pageid = str_replace(' ', '_', $paths->nslist[$a[1]] . $a[0]);
+ $paths->page = $pageid;
+ $paths->cpage = $paths->pages[$pageid];
+ //die('<pre>'.print_r($paths->cpage,true).'</pre>');
+
+ dc_here('render: wreckin\' $template, and reloading the theme vars to match the new page<br />This might get messy!');
+
+ unset($template);
+ unset($GLOBALS['template']);
+
+ $GLOBALS['template'] = new template();
+ global $template;
+
+ $template->template(); // Tear down and rebuild the template parser
+ $template->load_theme($session->theme, $session->style);
+
+ $data = '<div><small>(Redirected from <a href="'.makeUrlNS($old['namespace'], $old['urlname_nons'], 'redirect=no', true).'">'.$old['name'].'</a>)</small></div>'.RenderMan::getPage($a[0], $a[1], $wiki, $smilies, $filter_links, false /* Enforces a maximum of one redirect */);
+
+ return $data;
+ }
+ else if(preg_match('#^\#redirect \[\[(.+?)\]\]#', $message, $m) && isset($_GET['redirect']) && $_GET['redirect'] == 'no')
+ {
+ dc_here('render: looks like a redirect page to me...');
+ dc_here('render: skipping redirect as requested on URI');
+ preg_match('#^\#redirect \[\[(.+)\]\]#', $message, $m);
+ $m[1] = str_replace(' ', '_', $m[1]);
+ $message = preg_replace('#\#redirect \[\[(.+)\]\]#', '<nowiki><div class="mdg-infobox"><table border="0" width="100%" cellspacing="0" cellpadding="0"><tr><td valign="top"><img alt="Cute wet-floor icon" src="'.scriptPath.'/images/redirector.png" /></td><td valign="top" style="padding-left: 10px;"><b>This page is a <i>redirector</i>.</b><br />This means that this page will not show its own content by default. Instead it will display the contents of the page it redirects to.<br /><br />To create a redirect page, make the <i>first characters</i> in the page content <tt>#redirect [[Page_ID]]</tt>. For more information, see the Enano <a href="http://enanocms.org/Help:Wiki_formatting">Wiki formatting guide</a>.<br /><br />This page redirects to <a href="'.makeUrl($m[1]).'">'.$paths->pages[$m[1]]['name'].'</a>.</td></tr></table></div><br /><hr style="margin-left: 1em; width: 200px;" /></nowiki>', $message);
+ }
+ $session->disallow_password_grab();
+ dc_here('render: alright, got the text, formatting...');
+ return ($render) ? RenderMan::render($message, $wiki, $smilies, $filter_links) : $message;
+ }
+
+ function getTemplate($id, $parms)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ dc_here('render: template requested: '.$id);
+ if(!isset($paths->pages[$paths->nslist['Template'].$id]))
+ {
+ return '[['.$paths->nslist['Template'].$id.']]';
+ }
+ if(isset($paths->template_cache[$id]))
+ {
+ $text = $paths->template_cache[$id];
+ }
+ else
+ {
+ $text = RenderMan::getPage($id, 'Template', 0, true, true, 0);
+ $paths->template_cache[$id] = $text;
+ }
+
+ $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '', $text);
+ $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '\\1', $text);
+
+ preg_match_all('#\(_([0-9]+)_\)#', $text, $matchlist);
+
+ foreach($matchlist[1] as $m)
+ {
+ if(isset($parms[((int)$m)+1]))
+ {
+ $p = $parms[((int)$m)+1];
+ }
+ else
+ {
+ $p = '<b>Notice:</b> RenderMan::getTemplate(): Parameter '.$m.' is not set';
+ }
+ $text = str_replace('(_'.$m.'_)', $p, $text);
+ }
+ $text = RenderMan::include_templates($text);
+ return $text;
+ }
+
+ function fetch_template_text($id)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ dc_here('render: template raw data requested: '.$id);
+ if(!isset($paths->pages[$paths->nslist['Template'].$id]))
+ {
+ return '[['.$paths->nslist['Template'].$id.']]';
+ }
+ if(isset($paths->template_cache[$id]))
+ {
+ $text = $paths->template_cache[$id];
+ }
+ else
+ {
+ $text = RenderMan::getPage($id, 'Template', 0, false, false, false, false);
+ $paths->template_cache[$id] = $text;
+ }
+
+ if ( is_string($text) )
+ {
+ $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '', $text);
+ $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '\\1', $text);
+ }
+
+ return $text;
+ }
+
+ function render($text, $wiki = 1, $smilies = true, $filter_links = true)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ if($smilies)
+ {
+ $text = RenderMan::smilieyize($text);
+ }
+ if($wiki == 1)
+ {
+ $text = RenderMan::next_gen_wiki_format($text);
+ }
+ elseif($wiki == 2)
+ {
+ $text = $template->tplWikiFormat($text);
+ }
+ return $text;
+ }
+
+ function PlainTextRender($text, $wiki = 1, $smilies = false, $filter_links = true)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ if($smilies)
+ {
+ $text = RenderMan::smilieyize($text);
+ }
+ if($wiki == 1)
+ {
+ $text = RenderMan::next_gen_wiki_format($text, true);
+ }
+ elseif($wiki == 2)
+ {
+ $text = $template->tplWikiFormat($text);
+ }
+ return $text;
+ }
+
+ function next_gen_wiki_format($text, $plaintext = false, $filter_links = true, $do_params = false)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ $random_id = md5( time() . mt_rand() );
+
+ // Strip out <nowiki> sections and PHP code
+
+ $php = preg_match_all('#<\?php(.*?)\?>#is', $text, $phpsec);
+
+ for($i=0;$i<sizeof($phpsec[1]);$i++)
+ {
+ $text = str_replace('<?php'.$phpsec[1][$i].'?>', '{PHP:'.$random_id.':'.$i.'}', $text);
+ }
+
+ $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki);
+
+ for($i=0;$i<sizeof($nowiki[1]);$i++)
+ {
+ $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text);
+ }
+
+ $text = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '\\1', $text);
+ if ( $paths->namespace == 'Template' )
+ {
+ $text = preg_replace('/<nodisplay>(.*?)<\/nodisplay>/is', '', $text);
+ }
+
+ if ( !$plaintext )
+ {
+ // Process images
+
+ $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\|([0-9]+)\|([0-9]+)\]\]#is', $text, $matchlist);
+ $matches = Array();
+ $matches['images'] =& $matchlist[1];
+ $matches['widths'] =& $matchlist[2];
+ $matches['heights'] =& $matchlist[3];
+ for($i=0;$i<sizeof($matchlist[1]);$i++)
+ {
+ if(isPage($paths->nslist['File'].$matches['images'][$i])) $text = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].'|'.$matches['widths'][$i].'|'.$matches['heights'][$i].']]',
+ '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i], 'preview&width='.$matches['widths'][$i].'&height='.$matches['heights'][$i]).'" /></a></nowiki>',
+ $text);
+ }
+
+ $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\]\]#is', $text, $matchlist);
+ $matches = Array();
+ $matches['images'] = $matchlist[1];
+ for($i=0;$i<sizeof($matchlist[1]);$i++)
+ {
+ if(isPage($paths->nslist['File'].$matches['images'][$i])) $text = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].']]',
+ '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i]).'" /></a></nowiki>',
+ $text);
+ }
+
+ }
+
+ if($do_params)
+ {
+ preg_match_all('#\(_([0-9]+)_\)#', $text, $matchlist);
+ foreach($matchlist[1] as $m)
+ {
+ $text = str_replace('(_'.$m.'_)', $paths->getParam((int)$m), $text);
+ }
+ }
+
+ $text = RenderMan::include_templates($text);
+
+ $text = process_tables($text);
+
+ $wiki =& Text_Wiki::singleton('Mediawiki');
+ if($plaintext)
+ {
+ $wiki->setRenderConf('Plain', 'wikilink', 'view_url', contentPath);
+ $result = $wiki->transform($text, 'Plain');
+ }
+ else
+ {
+ $wiki->setRenderConf('Xhtml', 'wikilink', 'view_url', contentPath);
+ $wiki->setRenderConf('Xhtml', 'Url', 'css_descr', 'external');
+ $result = $wiki->transform($text, 'Xhtml');
+ }
+
+ // Reinsert <nowiki> sections
+ for($i=0;$i<$nw;$i++)
+ {
+ $result = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', $nowiki[1][$i], $result);
+ }
+
+ // Reinsert PHP
+ for($i=0;$i<$php;$i++)
+ {
+ $result = str_replace('{PHP:'.$random_id.':'.$i.'}', '<?php'.$phpsec[1][$i].'?>', $result);
+ }
+
+ return $result;
+
+ }
+
+ function wikiFormat($message, $filter_links = true, $do_params = false, $plaintext = false) {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ return RenderMan::next_gen_wiki_format($message, $plaintext, $filter_links, $do_params);
+
+ $random_id = md5( time() . mt_rand() );
+
+ // Strip out <nowiki> sections
+ $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $message, $nowiki);
+
+ if(!$plaintext)
+ {
+
+ //return '<pre>'.print_r($nowiki,true).'</pre>';
+
+ for($i=0;$i<sizeof($nowiki[1]);$i++)
+ {
+ $message = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $message);
+ }
+
+ $message = preg_replace('/<noinclude>(.*?)<\/noinclude>/is', '\\1', $message);
+
+ //return '<pre>'.htmlspecialchars($message).'</pre>';
+
+ $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\|([0-9]+)\|([0-9]+)\]\]#is', $message, $matchlist);
+ $matches = Array();
+ $matches['images'] = $matchlist[1];
+ $matches['widths'] = $matchlist[2];
+ $matches['heights'] = $matchlist[3];
+ for($i=0;$i<sizeof($matchlist[1]);$i++)
+ {
+ if(isPage($paths->nslist['File'].$matches['images'][$i])) $message = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].'|'.$matches['widths'][$i].'|'.$matches['heights'][$i].']]',
+ '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i], 'preview&width='.$matches['widths'][$i].'&height='.$matches['heights'][$i]).'" /></a></nowiki>',
+ $message);
+ }
+
+ $j = preg_match_all('#\[\[:'.$paths->nslist['File'].'([\w\s0-9_\(\)!@%\^\+\|\.-]+?)\]\]#is', $message, $matchlist);
+ $matches = Array();
+ $matches['images'] = $matchlist[1];
+ for($i=0;$i<sizeof($matchlist[1]);$i++)
+ {
+ if(isPage($paths->nslist['File'].$matches['images'][$i])) $message = str_replace('[[:'.$paths->nslist['File'].$matches['images'][$i].']]',
+ '<nowiki><a href="'.makeUrlNS('File', $matches['images'][$i]).'"><img alt="'.$matches['images'][$i].'" style="border: 0" src="'.makeUrlNS('Special', 'DownloadFile/'.$matches['images'][$i]).'" /></a></nowiki>',
+ $message);
+ }
+
+ }
+
+ if($do_params)
+ {
+ preg_match_all('#\(_([0-9]+)_\)#', $message, $matchlist);
+ foreach($matchlist[1] as $m)
+ {
+ $message = str_replace('(_'.$m.'_)', $paths->getParam((int)$m), $message);
+ }
+ }
+
+ $message = RenderMan::include_templates($message);
+
+ // Reinsert <nowiki> sections
+ for($i=0;$i<$nw;$i++)
+ {
+ $message = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $message);
+ }
+
+ $message = process_tables($message);
+ //if($message2 != $message) return '<pre>'.htmlspecialchars($message2).'</pre>';
+ //$message = str_replace(array('<table>', '</table>'), array('<nowiki><table>', '</table></nowiki>'), $message);
+
+ $wiki =& Text_Wiki::singleton('Mediawiki');
+ if($plaintext)
+ {
+ $wiki->setRenderConf('Plain', 'wikilink', 'view_url', contentPath);
+ $result = $wiki->transform($message, 'Plain');
+ } else {
+ $wiki->setRenderConf('Xhtml', 'wikilink', 'view_url', contentPath);
+ $wiki->setRenderConf('Xhtml', 'Url', 'css_descr', 'external');
+ $result = $wiki->transform($message, 'Xhtml');
+ }
+
+ // HTML fixes
+ $result = preg_replace('#<tr>([\s]*?)<\/tr>#is', '', $result);
+ $result = preg_replace('#<p>([\s]*?)<\/p>#is', '', $result);
+ $result = preg_replace('#<br />([\s]*?)<table#is', '<table', $result);
+ $result = str_replace("<pre><code>\n", "<pre><code>", $result);
+ $result = preg_replace("/<p><table([^>]*?)><\/p>/", "<table\\1>", $result);
+ $result = str_replace("<br />\n</td>", "\n</td>", $result);
+ $result = str_replace("<p><tr>", "<tr>", $result);
+ $result = str_replace("<tr><br />", "<tr>", $result);
+ $result = str_replace("</tr><br />", "</tr>", $result);
+ $result = str_replace("</table></p>", "</table>", $result);
+ $result = str_replace("</table><br />", "</table>", $result);
+ $result = preg_replace('/<\/table>$/', "</table><br /><br />", $result);
+
+ $result = str_replace('<nowiki>', '<nowiki>', $result);
+ $result = str_replace('</nowiki>', '</nowiki>', $result);
+
+ return $result;
+ }
+
+ function destroy_javascript($message, $_php = false)
+ {
+ $message = preg_replace('#<(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '<\\1\\2>', $message);
+ $message = preg_replace('#</(script|object|applet|embed|iframe|frame|form|input|select)(.*?)>#is', '</\\1\\2>', $message);
+ $message = preg_replace('#(javascript|script|activex|chrome|about|applet):#is', '\\1:', $message);
+ if ( $_php )
+ {
+ // Left in only for compatibility
+ $message = preg_replace('#<(.*?)>#is', '<\\1>', $message);
+ $message = preg_replace('#<(.*?)>#is', '<\\1>', $message);
+ $message = preg_replace('#<(\?|\?php|%)(.*?)(\?|%)>#is', '<\\1\\2\\3>', $message);
+ // strip <a href="foo" onclick="bar();">-type attacks
+ $message = preg_replace('#<([a-zA-Z:\-]+) (.*?)on([A-Za-z]*)=(.*?)>#is', '<\\1\\2on\\3=\\4>', $message);
+ }
+ return $message;
+ }
+
+ function strip_php($message)
+ {
+ return RenderMan::destroy_javascript($message, true);
+ }
+
+ function sanitize_html($text)
+ {
+ $text = htmlspecialchars($text);
+ $allowed_tags = Array('b', 'i', 'u', 'pre', 'code', 'tt', 'br', 'p', 'nowiki', '!--([^.]+)--');
+ foreach($allowed_tags as $t)
+ {
+ $text = preg_replace('#<'.$t.'>(.*?)</'.$t.'>#is', '<'.$t.'>\\1</'.$t.'>', $text);
+ $text = preg_replace('#<'.$t.' />#is', '<'.$t.' />', $text);
+ $text = preg_replace('#<'.$t.'>#is', '<'.$t.'>', $text);
+ }
+ return $text;
+ }
+
+ /* *
+ * Replaces template inclusions with the templates
+ * @param string $message The text to format
+ * @return string
+ * /
+
+ function old_include_templates($message)
+ {
+ $random_id = md5( time() . mt_rand() );
+ preg_match_all('#\{\{(.+?)\}\}#s', $message, $matchlist);
+ foreach($matchlist[1] as $m)
+ {
+ $mn = $m;
+ // Strip out wikilinks and re-add them after the explosion (because of the "|")
+ preg_match_all('#\[\[(.+?)\]\]#i', $m, $linklist);
+ //echo '<pre>'.print_r($linklist, true).'</pre>';
+ for($i=0;$i<sizeof($linklist[1]);$i++)
+ {
+ $mn = str_replace('[['.$linklist[1][$i].']]', '{WIKILINK:'.$random_id.':'.$i.'}', $mn);
+ }
+
+ $ar = explode('|', $mn);
+
+ for($j=0;$j<sizeof($ar);$j++)
+ {
+ for($i=0;$i<sizeof($linklist[1]);$i++)
+ {
+ $ar[$j] = str_replace('{WIKILINK:'.$random_id.':'.$i.'}', '[['.$linklist[1][$i].']]', $ar[$j]);
+ }
+ }
+
+ $tp = $ar[0];
+ unset($ar[0]);
+ $tp = str_replace(' ', '_', $tp);
+ $message = str_replace('{{'.$m.'}}', RenderMan::getTemplate($tp, $ar), $message);
+ }
+ return $message;
+ }
+ */
+
+ /**
+ * Parses a partial template tag in wikitext, and return an array with the parameters.
+ * @param string The portion of the template tag that contains the parameters. Example:
+ * <code>
+ * foo = lorem ipsum
+ * bar = dolor sit amet
+ * </code>
+ * @return array Example:
+ * [foo] => lorem ipsum
+ * [bar] => dolor sit amet
+ */
+
+ function parse_template_vars($input)
+ {
+ $input = explode("\n", trim( $input ));
+ $parms = Array();
+ $current_line = '';
+ $current_parm = '';
+ foreach ( $input as $num => $line )
+ {
+ if ( preg_match('/^([ ]*?)([A-z0-9_]+?)([ ]*?)=([ ]*?)(.+?)$/i', $line, $matches) )
+ {
+ $parm =& $matches[2];
+ $text =& $matches[5];
+ if ( $parm == $current_parm )
+ {
+ $current_line .= $text;
+ }
+ else
+ {
+ // New parameter
+ if ( $current_parm != '' )
+ $parms[$current_parm] = $current_line;
+ $current_line = $text;
+ $current_parm = $parm;
+ }
+ }
+ else if ( $num == 0 )
+ {
+ // Syntax error
+ return false;
+ }
+ else
+ {
+ $current_line .= "\n$line";
+ }
+ }
+ if ( !empty($current_parm) && !empty($current_line) )
+ {
+ $parms[$current_parm] = $current_line;
+ }
+ return $parms;
+ }
+
+ /**
+ * Processes all template tags within a block of wikitext.
+ * @param string The text to process
+ * @return string Formatted text
+ * @example
+ * <code>
+ $text = '{{Template
+ parm1 = Foo
+ parm2 = Bar
+ }}';
+ $text = include_templates($text);
+ * </code>
+ */
+
+ function include_templates($text)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ $template_regex = "/\{\{([A-z0-9_-]+?)((\n([ ]*?)[A-z0-9]+([ ]*?)=([ ]*?)(.+?))*)\}\}/is";
+ if ( $count = preg_match_all($template_regex, $text, $matches) )
+ {
+ for ( $i = 0; $i < $count; $i++ )
+ {
+ $parmsection = trim($matches[2][$i]);
+ if ( !empty($parmsection) )
+ {
+ $parms = RenderMan::parse_template_vars($parmsection);
+ foreach ( $parms as $j => $parm )
+ {
+ $parms[$j] = $parm;
+ }
+ }
+ else
+ {
+ $parms = Array();
+ }
+ if ( $tpl_code = RenderMan::fetch_template_text($matches[1][$i]) )
+ {
+ $parser = $template->makeParserText($tpl_code);
+ $parser->assign_vars($parms);
+ $text = str_replace($matches[0][$i], $parser->run(), $text);
+ }
+ }
+ }
+ return $text;
+ }
+
+ /**
+ * Preprocesses an HTML text string prior to being sent to MySQL.
+ * @param string $text
+ * @param bool $strip_all_php - if true, strips all PHP regardless of user permissions. Else, strips PHP only if user level < USER_LEVEL_ADMIN.
+ */
+ function preprocess_text($text, $strip_all_php = true, $sqlescape = true)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ $random_id = md5( time() . mt_rand() );
+
+ $can_do_php = ( $session->get_permissions('php_in_pages') && !$strip_all_php );
+
+ $text = sanitize_html($text, ( !$can_do_php ));
+
+ if ( !$can_do_php )
+ {
+ // If we can't do PHP, we can't do Javascript either.
+ $text = RenderMan::destroy_javascript($text);
+ }
+
+ // Strip out <nowiki> sections and PHP code
+
+ $php = preg_match_all('#(<|<)\?php(.*?)\?(>|>)#is', $text, $phpsec);
+
+ //die('<pre>'.htmlspecialchars(print_r($phpsec, true))."\n".htmlspecialchars(print_r($text, true)).'</pre>');
+
+ for($i=0;$i<sizeof($phpsec[1]);$i++)
+ {
+ $text = str_replace($phpsec[0][$i], '{PHP:'.$random_id.':'.$i.'}', $text);
+ }
+
+ $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki);
+
+ for($i=0;$i<sizeof($nowiki[1]);$i++)
+ {
+ $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text);
+ }
+
+ $text = str_replace('~~~~~', date('G:i, j F Y (T)'), $text);
+ $text = str_replace('~~~~', "[[User:$session->username|$session->username]] ".date('G:i, j F Y (T)'), $text);
+ $text = str_replace('~~~', "[[User:$session->username|$session->username]] ", $text);
+
+ // Reinsert <nowiki> sections
+ for($i=0;$i<$nw;$i++)
+ {
+ $text = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $text);
+ }
+ // Reinsert PHP
+ for($i=0;$i<$php;$i++)
+ {
+ $phsec = ''.$phpsec[1][$i].'?php'.$phpsec[2][$i].'?'.$phpsec[3][$i].'';
+ if ( $strip_all_php )
+ $phsec = htmlspecialchars($phsec);
+ $text = str_replace('{PHP:'.$random_id.':'.$i.'}', $phsec, $text);
+ }
+
+ $text = ( $sqlescape ) ? $db->escape($text) : $text;
+
+ return $text;
+ }
+
+ function smilieyize($text, $complete_urls = false)
+ {
+
+ $random_id = md5( time() . mt_rand() );
+
+ // Smileys array - eventually this will be fetched from the database by
+ // RenderMan::initSmileys during initialization, but it will all be hardcoded for beta 2
+
+ $smileys = Array(
+ 'O:-)' => 'face-angel.png',
+ 'O:)' => 'face-angel.png',
+ 'O=)' => 'face-angel.png',
+ ':-)' => 'face-smile.png',
+ ':)' => 'face-smile.png',
+ '=)' => 'face-smile-big.png',
+ ':-(' => 'face-sad.png',
+ ':(' => 'face-sad.png',
+ ';(' => 'face-sad.png',
+ ':-O' => 'face-surprise.png',
+ ';-)' => 'face-wink.png',
+ ';)' => 'face-wink.png',
+ '8-)' => 'face-glasses.png',
+ '8)' => 'face-glasses.png',
+ ':-D' => 'face-grin.png',
+ ':D' => 'face-grin.png',
+ '=D' => 'face-grin.png',
+ ':-*' => 'face-kiss.png',
+ ':*' => 'face-kiss.png',
+ '=*' => 'face-kiss.png',
+ ':\'(' => 'face-crying.png',
+ ':-|' => 'face-plain.png',
+ ':-\\' => 'face-plain.png',
+ ':-/' => 'face-plain.png',
+ ':joke:' => 'face-plain.png',
+ ']:->' => 'face-devil-grin.png',
+ ':kiss:' => 'face-kiss.png',
+ ':-P' => 'face-tongue-out.png',
+ ':P' => 'face-tongue-out.png',
+ ':-p' => 'face-tongue-out.png',
+ ':p' => 'face-tongue-out.png',
+ ':-X' => 'face-sick.png',
+ ':X' => 'face-sick.png',
+ ':sick:' => 'face-sick.png',
+ ':-]' => 'face-oops.png',
+ ':]' => 'face-oops.png',
+ ':oops:' => 'face-oops.png',
+ ':-[' => 'face-embarassed.png',
+ ':[' => 'face-embarassed.png'
+ );
+ /*
+ $keys = array_keys($smileys);
+ foreach($keys as $k)
+ {
+ $regex1 = '#([\W]+)'.preg_quote($k).'([\s\n\r\.]+)#s';
+ $regex2 = '\\1<img alt="'.$k.'" title="'.$k.'" src="'.scriptPath.'/images/smilies/'.$smileys[$k].'" style="border: 0;" />\\2';
+ $text = preg_replace($regex1, $regex2, $text);
+ }
+ */
+
+ // Strip out <nowiki> sections
+ //return '<pre>'.htmlspecialchars($text).'</pre>';
+ $nw = preg_match_all('#<nowiki>(.*?)<\/nowiki>#is', $text, $nowiki);
+
+ for($i=0;$i<sizeof($nowiki[1]);$i++)
+ {
+ $text = str_replace('<nowiki>'.$nowiki[1][$i].'</nowiki>', '{NOWIKI:'.$random_id.':'.$i.'}', $text);
+ }
+
+ $keys = array_keys($smileys);
+ foreach($keys as $k)
+ {
+ $t = str_hex($k);
+ $t = explode(' ', $t);
+ $s = '';
+ foreach($t as $b)
+ {
+ $s.='&#x'.$b.';';
+ }
+ $pfx = ( $complete_urls ) ? 'http' . ( isset($_SERVER['HTTPS']) ? 's' : '' ) . '://'.$_SERVER['HTTP_HOST'] : '';
+ $text = str_replace(' '.$k, ' <nowiki><img title="'.$s.'" alt="'.$s.'" src="'.$pfx.scriptPath.'/images/smilies/'.$smileys[$k].'" style="border: 0;" /></nowiki>', $text);
+ }
+ //*/
+
+ // Reinsert <nowiki> sections
+ for($i=0;$i<$nw;$i++)
+ {
+ $text = str_replace('{NOWIKI:'.$random_id.':'.$i.'}', '<nowiki>'.$nowiki[1][$i].'</nowiki>', $text);
+ }
+
+ return $text;
+ }
+
+ /*
+ * **** DEPRECATED ****
+ * Replaces some critical characters in a string with MySQL-safe equivalents
+ * @param $text string the text to escape
+ * @return array key 0 is the escaped text, key 1 is the character tag
+ * /
+
+ function escape_page_text($text)
+ {
+ $char_tag = md5(microtime() . mt_rand());
+ $text = str_replace("'", "{APOS:$char_tag}", $text);
+ $text = str_replace('"', "{QUOT:$char_tag}", $text);
+ $text = str_replace("\\", "{SLASH:$char_tag}", $text);
+ return Array($text, $char_tag);
+ }
+ */
+
+ /* **** DEPRECATED ****
+ * Reverses the result of RenderMan::escape_page_text().
+ * @param $text string the text to unescape
+ * @param $char_tag string the character tag
+ * @return string
+ * /
+
+ function unescape_page_text($text, $char_tag)
+ {
+ $text = str_replace("{APOS:$char_tag}", "'", $text);
+ $text = str_replace("{QUOT:$char_tag}", '"', $text);
+ $text = str_replace("{SLASH:$char_tag}", "\\", $text);
+ return $text;
+ }
+ */
+
+ /**
+ * Generates a summary of the differences between two texts, and formats it as XHTML.
+ * @param $str1 string the first block of text
+ * @param $str2 string the second block of text
+ * @return string
+ */
+ function diff($str1, $str2)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ $str1 = explode("\n", $str1);
+ $str2 = explode("\n", $str2);
+ $diff = new Diff($str1, $str2);
+ $renderer = new TableDiffFormatter();
+ return '<table class="diff">'.$renderer->format($diff).'</table>';
+ }
+
+}
+
+?>