diff -r 902822492a68 -r fe660c52c48f includes/paths.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/includes/paths.php Wed Jun 13 16:07:17 2007 -0400 @@ -0,0 +1,812 @@ +pages = Array(); + + dc_here('paths: setting up namespaces, admin nodes'); + + // DEFINE NAMESPACES HERE + // The key names should NOT EVER be changed, or Enano will be very broken + $this->nslist = Array( + 'Article' =>'', + 'User' =>'User:', + 'File' =>'File:', + 'Help' =>'Help:', + 'Admin' =>'Admin:', + 'Special' =>'Special:', + 'System' =>'Enano:', + 'Template'=>'Template:', + 'Category'=>'Category:', + 'Project' =>str_replace(' ', '_', getConfig('site_name')).':', + ); + + // ACL types + // Note: you can set any of these to AUTH_DENY to universally and unconditionally deny access to the selected action. + // These can also be added from within plugins + + $session->register_acl_type('read', AUTH_ALLOW, 'Read page(s)'); + $session->register_acl_type('post_comments', AUTH_ALLOW, 'Post comments', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('edit_comments', AUTH_ALLOW, 'Edit own comments', Array('post_comments'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('edit_page', AUTH_WIKIMODE, 'Edit page', Array('view_source'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('view_source', AUTH_WIKIMODE, 'View source', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); // Only used if the page is protected + $session->register_acl_type('mod_comments', AUTH_DISALLOW, 'Moderate comments', Array('edit_comments'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('history_view', AUTH_WIKIMODE, 'View history/diffs', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('history_rollback', AUTH_DISALLOW, 'Rollback history', Array('history_view'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('history_rollback_extra', AUTH_DISALLOW, 'Undelete page(s)', Array('history_rollback'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('protect', AUTH_DISALLOW, 'Protect page(s)', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('rename', AUTH_WIKIMODE, 'Rename page(s)', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('clear_logs', AUTH_DISALLOW, 'Clear page logs (dangerous)', Array('read', 'protect', 'even_when_protected'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('vote_delete', AUTH_ALLOW, 'Vote to delete', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('vote_reset', AUTH_DISALLOW, 'Reset delete votes', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('delete_page', AUTH_DISALLOW, 'Delete page(s)', Array(), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('set_wiki_mode', AUTH_DISALLOW, 'Set per-page wiki mode', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('password_set', AUTH_DISALLOW, 'Set password', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('password_reset', AUTH_DISALLOW, 'Disable/reset password', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('mod_misc', AUTH_DISALLOW, 'Super moderator (generate SQL backtraces, view IP addresses, and send large numbers of private messages)', Array(), 'All'); + $session->register_acl_type('edit_cat', AUTH_WIKIMODE, 'Edit categorization', Array('read'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('even_when_protected', AUTH_DISALLOW, 'Allow editing, renaming, and categorization even when protected', Array('edit_page', 'rename', 'mod_comments', 'edit_cat'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('upload_files', AUTH_DISALLOW, 'Upload files', Array('create_page'), 'Article|User|Project|Template|File|Help|System|Category|Special'); + $session->register_acl_type('upload_new_version', AUTH_WIKIMODE, 'Upload new versions of files', Array('upload_files'), 'Article|User|Project|Template|File|Help|System|Category|Special'); + $session->register_acl_type('create_page', AUTH_WIKIMODE, 'Create pages', Array(), 'Article|User|Project|Template|File|Help|System|Category|Special'); + $session->register_acl_type('php_in_pages', AUTH_DISALLOW, 'Embed PHP code in pages', Array('edit_page'), 'Article|User|Project|Template|File|Help|System|Category'); + $session->register_acl_type('edit_acl', AUTH_DISALLOW, 'Edit access control lists', Array('read', 'post_comments', 'edit_comments', 'edit_page', 'view_source', 'mod_comments', 'history_view', 'history_rollback', 'history_rollback_extra', 'protect', 'rename', 'clear_logs', 'vote_delete', 'vote_reset', 'delete_page', 'set_wiki_mode', 'password_set', 'password_reset', 'mod_misc', 'edit_cat', 'even_when_protected', 'upload_files', 'upload_new_version', 'create_page', 'php_in_pages')); + + // DO NOT add new admin pages here! Use a plugin to call $paths->addAdminNode(); + $this->addAdminNode('General', 'General Configuration', 'GeneralConfig'); + $this->addAdminNode('General', 'File uploads', 'UploadConfig'); + $this->addAdminNode('General', 'Allowed file types', 'UploadAllowedMimeTypes'); + $this->addAdminNode('General', 'Manage Plugins', 'PluginManager'); + $this->addAdminNode('General', 'Backup database', 'DBBackup'); + $this->addAdminNode('Content', 'Manage Pages', 'PageManager'); + $this->addAdminNode('Content', 'Edit page content', 'PageEditor'); + $this->addAdminNode('Appearance', 'Manage themes', 'ThemeManager'); + $this->addAdminNode('Users', 'Manage users', 'UserManager'); + $this->addAdminNode('Users', 'Edit groups', 'GroupManager'); + $this->addAdminNode('Users', 'Ban control', 'BanControl'); + $this->addAdminNode('Users', 'Mass e-mail', 'MassEmail'); + + $code = $plugins->setHook('acl_rule_init'); + foreach ( $code as $cmd ) + { + eval($cmd); + } + + $this->wiki_mode = (int)getConfig('wiki_mode')=='1'; + $this->template_cache = Array(); + } + function pathManager() + { + $this->__construct(); + } + function init() + { + global $db, $session, $paths, $template, $plugins; // Common objects + + dc_here('paths: selecting master page data'); + + $code = $plugins->setHook('paths_init_before'); + foreach ( $code as $cmd ) + { + eval($cmd); + } + + $e = $db->sql_query('SELECT name,urlname,namespace,special,visible,comments_on,protected,delvotes,delvote_ips,wiki_mode,password FROM '.table_prefix.'pages ORDER BY name;'); + if( !$e ) + { + $db->_die('The error seems to have occured while selecting the page information. File: includes/paths.php; line: '.__LINE__); + } + while($r = $db->fetchrow()) + { + + $r['urlname_nons'] = $r['urlname']; + $r['urlname'] = $this->nslist[$r['namespace']] . $r['urlname']; // Applies the User:/File:/etc prefixes to the URL names + + if ( $r['delvotes'] == null) + { + $r['delvotes'] = 0; + } + if ( $r['protected'] == 0 || $r['protected'] == 1 ) + { + $r['really_protected'] = (int)$r['protected']; + } + else if ( $r['protected'] == 2 && getConfig('wiki_mode') == '1') + { + $r['really_protected'] = 1; + } + else if ( $r['protected'] == 2 && getConfig('wiki_mode') == '0' ) + { + $r['really_protected'] = 0; + } + + $this->pages[$r['urlname']] = $r; + $this->pages[] =& $this->pages[$r['urlname']]; + + } + $db->free_result(); + dc_here('paths: determining page ID'); + if( isset($_GET['title']) ) + { + if ( $_GET['title'] == '' && getConfig('main_page') != '' ) + { + $this->main_page(); + } + if(strstr($_GET['title'], ' ')) + { + $loc = urldecode(rawurldecode($_SERVER['REQUEST_URI'])); + $loc = str_replace(' ', '_', $loc); + $loc = str_replace('+', '_', $loc); + $loc = str_replace('%20', '_', $loc); + redirect($loc, 'Redirecting...', 'Space detected in the URL, please wait whilst you are redirected', 0); + exit; + } + $url_namespace_special = substr($_GET['title'], 0, strlen($this->nslist['Special']) ); + $url_namespace_template = substr($_GET['title'], 0, strlen($this->nslist['Template']) ); + if($url_namespace_special == $this->nslist['Special'] || $url_namespace_template == $this->nslist['Template'] ) + { + $ex = explode('/', $_GET['title']); + $this->page = $ex[0]; + } + else + { + $this->page = $_GET['title']; + } + $this->fullpage = $_GET['title']; + } + elseif( isset($_SERVER['PATH_INFO']) ) + { + $pi = explode('/', $_SERVER['PATH_INFO']); + + if( !isset($pi[1]) || (isset($pi[1]) && $pi[1] == '' && getConfig('main_page') != '') ) + { + $this->main_page(); + } + if( strstr($pi[1], ' ') ) + { + $loc = str_replace(' ', '_', urldecode(rawurldecode($_SERVER['REQUEST_URI']))); + $loc = str_replace('+', '_', $loc); + $loc = str_replace('%20', '_', $loc); + redirect($loc, 'Redirecting...', 'Please wait whilst you are redirected', 3); + exit; + } + unset($pi[0]); + if( substr($pi[1], 0, strlen($this->nslist['Special'])) == $this->nslist['Special'] || substr($pi[1], 0, strlen($this->nslist['Template'])) == $this->nslist['Template'] ) + { + $pi2 = $pi[1]; + } + else + { + $pi2 = implode('/', $pi); + } + $this->page = $pi2; + $this->fullpage = implode('/', $pi); + } + else + { + $k = array_keys($_GET); + foreach($k as $c) + { + if(substr($c, 0, 1) == '/') + { + $this->page = substr($c, 1, strlen($c)); + + // Bugfix for apache somehow passing dots as underscores + global $mime_types; + + $exts = array_keys($mime_types); + $exts = '(' . implode('|', $exts) . ')'; + + if ( preg_match( '#_'.$exts.'#i', $this->page ) ) + { + $this->page = preg_replace( '#_'.$exts.'#i', '.\\1', $this->page ); + } + + $this->fullpage = $this->page; + + if(substr($this->page, 0, strlen($this->nslist['Special']))==$this->nslist['Special'] || substr($this->page, 0, strlen($this->nslist['Template']))==$this->nslist['Template']) + { + $ex = explode('/', $this->page); + $this->page = $ex[0]; + } + if(strstr($this->page, ' ')) + { + $loc = str_replace(' ', '_', urldecode(rawurldecode($_SERVER['REQUEST_URI']))); + $loc = str_replace('+', '_', $loc); + $loc = str_replace('%20', '_', $loc); + redirect($loc, 'Redirecting...', 'Space in the URL detected, please wait whilst you are redirected', 0); + exit; + } + break; + } + } + if(!$this->page && !($this->page == '' && getConfig('main_page') == '')) + { + $this->main_page(); + } + } + + dc_here('paths: setting $paths->cpage'); + + if(isset($this->pages[$this->page])) + { + dc_here('paths: page existence verified, our page ID is: '.$this->page); + $this->page_exists = true; + $this->cpage = $this->pages[$this->page]; + $this->namespace = $this->cpage['namespace']; + if(!isset($this->cpage['wiki_mode'])) $this->cpage['wiki_mode'] = 2; + + // Determine the wiki mode for this page, now that we have this->cpage established + if($this->cpage['wiki_mode'] == 2) + { + $this->wiki_mode = (int)getConfig('wiki_mode'); + } + else + { + $this->wiki_mode = $this->cpage['wiki_mode']; + } + // Allow the user to create/modify his user page uncondtionally (admins can still protect the page) + if($this->page == $this->nslist['User'].str_replace(' ', '_', $session->username)) + { + $this->wiki_mode = true; + } + // And above all, if the site requires wiki mode to be off for non-logged-in users, disable it now + if(getConfig('wiki_mode_require_login')=='1' && !$session->user_logged_in) + { + $this->wiki_mode = false; + } + if($this->cpage['protected'] == 2) + { + // The page is semi-protected, determine permissions + if($session->user_logged_in && $session->reg_time + 60*60*24*4 < time()) + { + $this->page_protected = 0; + } + else + { + $this->page_protected = 1; + } + } + else + { + $this->page_protected = $this->cpage['protected']; + } + } + else + { + dc_here('paths: page doesn\'t exist, creating new page in memory
our page ID is: '.$this->page); + $this->page_exists = false; + $this->cpage = Array( + 'name'=>str_replace('_', ' ', $this->page), + 'urlname'=>$this->page, + 'namespace'=>'Article', + 'special'=>0, + 'visible'=>0, + 'comments_on'=>1, + 'protected'=>0, + 'delvotes'=>0, + 'delvote_ips'=>'', + 'wiki_mode'=>2, + ); + // Look for a namespace prefix in the urlname, and assign a different namespace, if necessary + $k = array_keys($this->nslist); + for($i=0;$inslist);$i++) + { + $ln = strlen($this->nslist[$k[$i]]); + if( substr($this->page, 0, $ln) == $this->nslist[$k[$i]] ) + { + $this->cpage['namespace'] = $k[$i]; + $this->cpage['urlname_nons'] = substr($this->page, strlen($this->nslist[$this->cpage['namespace']]), strlen($this->page)); + if(!isset($this->cpage['wiki_mode'])) + { + $this->cpage['wiki_mode'] = 2; + } + } + } + $this->namespace = $this->cpage['namespace']; + + if($this->namespace=='System') + { + $this->cpage['protected'] = 1; + } + if($this->namespace=='Special') + { + // Can't load nonexistent pages + $this->main_page(); + } + // Allow the user to create/modify his user page uncondtionally (admins can still protect the page) + if($this->page == $this->nslist['User'].str_replace(' ', '_', $session->username)) + { + $this->wiki_mode = true; + } + } + // This is used in the admin panel to keep track of form submission targets + $this->cpage['module'] = $this->cpage['urlname']; + + // Page is set up, call any hooks + $code = $plugins->setHook('page_set'); + foreach ( $code as $cmd ) + { + eval($cmd); + } + + $session->init_permissions(); + } + + function add_page($flags) + { + //dc_dump($flags, 'paths: page added by plugin:'); + $flags['urlname_nons'] = $flags['urlname']; + $flags['urlname'] = $this->nslist[$flags['namespace']] . $flags['urlname']; // Applies the User:/File:/etc prefixes to the URL names + $pages_len = sizeof($this->pages)/2; + $this->pages[$pages_len] = $flags; + $this->pages[$flags['urlname']] =& $this->pages[$pages_len]; + } + + function main_page() + { + if( is_string(getConfig('main_page')) ) + { + header('Location: '.makeUrl(getConfig('main_page'))); + die('If you aren\'t redirected, click here.'); + } + else + { + header('Location: '.makeUrl($this->pages[0]['urlname'])); + die('If you aren\'t redirected, click here.'); + } + exit; + } + + function sysmsg($n) + { + global $db, $session, $paths, $template, $plugins; // Common objects + dc_here('paths: system message requested: '.$n); + $q = $db->sql_query('SELECT page_text, char_tag FROM '.table_prefix.'page_text WHERE page_id=\''.$db->escape($n).'\' AND namespace=\'System\''); + if( !$q ) + { + $db->_die('Error during generic selection of system page data.'); + } + if($db->numrows() < 1) + { + return false; + //$db->_die('Error during generic selection of system page data: there were no rows in the text table that matched the page text query.'); + } + $r = $db->fetchrow(); + $db->free_result(); + $message = $r['page_text']; + + $message = preg_replace('/(.*?)<\/noinclude>/is', '', $message); + + return $message; + } + function get_pageid_from_url() + { + if(isset($_GET['title'])) + { + if( $_GET['title'] == '' && getConfig('main_page') != '' ) + { + $this->main_page(); + } + if(strstr($_GET['title'], ' ')) + { + $loc = urldecode(rawurldecode($_SERVER['REQUEST_URI'])); + $loc = str_replace(' ', '_', $loc); + $loc = str_replace('+', '_', $loc); + header('Location: '.$loc); + exit; + } + $ret = $_GET['title']; + } + elseif(isset($_SERVER['PATH_INFO'])) + { + $pi = explode('/', $_SERVER['PATH_INFO']); + + if(!isset($pi[1]) || (isset($pi[1]) && $pi[1] == '')) + { + return false; + } + + if(strstr($pi[1], ' ')) + { + $loc = urldecode(rawurldecode($_SERVER['REQUEST_URI'])); + $loc = str_replace(' ', '_', $loc); + $loc = str_replace('+', '_', $loc); + header('Location: '.$loc); + exit; + } + if( !( substr($pi[1], 0, strlen($this->nslist['Special'])) == $this->nslist['Special'] ) ) + { + unset($pi[0]); + $pi[1] = implode('/', $pi); + } + $ret = $pi[1]; + } + else + { + $k = array_keys($_GET); + foreach($k as $c) + { + if(substr($c, 0, 1) == '/') + { + $ret = substr($c, 1, strlen($c)); + if(substr($ret, 0, strlen($this->nslist['Special'])) == $this->nslist['Special'] || + substr($ret, 0, strlen($this->nslist['Admin'])) == $this->nslist['Admin']) + { + $ret = explode('/', $ret); + $ret = $ret[0]; + } + break; + } + } + } + + return ( isset($ret) ) ? $ret : false; + } + // Parses a (very carefully formed) array into Javascript code compatible with the Tigra Tree Menu used in the admin menu + function parseAdminTree() + { + $k = array_keys($this->admin_tree); + $i = 0; + $ret = ''; + $ret .= "var TREE_ITEMS = [\n ['Administration panel home', 'javascript:ajaxPage(\'".$this->nslist['Admin']."Home\');',\n "; + foreach($k as $key) + { + $i++; + $ret .= "['".$key."', 'javascript:trees[0].toggle($i)', \n"; + foreach($this->admin_tree[$key] as $c) + { + $i++; + $ret .= " ['".$c['name']."', 'javascript:ajaxPage(\\'".$this->nslist['Admin'].$c['pageid']."\\');'],\n"; + } + $ret .= " ],\n"; + } + $ret .= " ['Log out of admin panel', 'javascript:ajaxPage(\\'".$this->nslist['Admin']."AdminLogout\\');'],\n"; + // I used this while I painstakingly wrote the Runt code that auto-expands certain nodes based on the value of a bitfield stored in a cookie. *shudders* + // $ret .= " ['(debug) Clear menu bitfield', 'javascript:createCookie(\\'admin_menu_state\\', \\'1\\', 365);'],\n"; + $ret .= "]\n];"; + return $ret; + } + function addAdminNode($section, $page_title, $url) + { + if(!isset($this->admin_tree[$section])) + { + $this->admin_tree[$section] = Array(); + } + $this->admin_tree[$section][] = Array( + 'name'=>$page_title, + 'pageid'=>$url + ); + } + function getParam($id = 0) + { + if(isset($_SERVER['PATH_INFO'])) + { + $pi = explode('/', $_SERVER['PATH_INFO']); + $id = $id + 2; + return isset($pi[$id]) ? $pi[$id] : false; + } + else if( isset($_GET['title']) ) + { + $pi = explode('/', $_GET['title']); + $id = $id + 1; + return isset($pi[$id]) ? $pi[$id] : false; + } + else + { + $k = array_keys($_GET); + foreach($k as $c) + { + if(substr($c, 0, 1) == '/') + { + + // Bugfix for apache somehow passing dots as underscores + global $mime_types; + $exts = array_keys($mime_types); + $exts = '(' . implode('|', $exts) . ')'; + if ( preg_match( '#_'.$exts.'#i', $c ) ) + $c = preg_replace( '#_'.$exts.'#i', '.\\1', $c ); + + $pi = explode('/', $c); + $id = $id + 2; + return isset($pi[$id]) ? $pi[$id] : false; + } + } + return false; + } + } + + function getAllParams() + { + if(isset($_SERVER['PATH_INFO'])) + { + $pi = explode('/', $_SERVER['PATH_INFO']); + unset($pi[0], $pi[1]); + return implode('/', $pi); + } + else if( isset($_GET['title']) ) + { + $pi = explode('/', $_GET['title']); + unset($pi[0]); + return implode('/', $pi); + } + else + { + $k = array_keys($_GET); + foreach($k as $c) + { + if(substr($c, 0, 1) == '/') + { + // Bugfix for apache somehow passing dots as underscores + global $mime_types; + $exts = array_keys($mime_types); + $exts = '(' . implode('|', $exts) . ')'; + if ( preg_match( '#_'.$exts.'#i', $c ) ) + $c = preg_replace( '#_'.$exts.'#i', '.\\1', $c ); + + $pi = explode('/', $c); + unset($pi[0], $pi[1]); + return implode('/', $pi); + } + } + return false; + } + } + + /** + * Creates a new namespace in memory + * @param string $id the namespace ID + * @param string $prefix the URL prefix, must not be blank or already used + * @return bool true on success false on failure + */ + + function create_namespace($id, $prefix) + { + if(in_array($prefix, $this->nslist)) + { + // echo 'Warning: pathManager::create_namespace: Prefix "'.$prefix.'" is already taken
'; + return false; + } + if( isset($this->nslist[$id]) ) + { + // echo 'Warning: pathManager::create_namespace: Namespace ID "'.$prefix.'" is already taken
'; + return false; + } + $this->nslist[$id] = $prefix; + } + + /** + * Fetches the page texts for searching + */ + + function fetch_page_search_texts() + { + global $db, $session, $paths, $template, $plugins; // Common objects + $texts = Array(); + $q = $db->sql_query('SELECT t.page_id,t.namespace,t.page_text,t.char_tag FROM '.table_prefix.'page_text AS t + LEFT JOIN '.table_prefix.'pages AS p + ON t.page_id=p.urlname + WHERE p.namespace=t.namespace + AND ( p.password=\'\' OR p.password=\'da39a3ee5e6b4b0d3255bfef95601890afd80709\' ) + AND p.visible=1;'); // Only indexes "visible" pages + + if( !$q ) + { + return false; + } + while($row = $db->fetchrow()) + { + $pid = $this->nslist[$row['namespace']] . $row['page_id']; + $texts[$pid] = $row['page_text']; + } + $db->free_result(); + + return $texts; + } + + /** + * Fetches a MySQL search query to use for Searcher::searchMySQL() + */ + + function fetch_page_search_resource() + { + global $db, $session, $paths, $template, $plugins; // Common objects + // sha1('') returns "da39a3ee5e6b4b0d3255bfef95601890afd80709" + $texts = 'SELECT t.page_text,CONCAT(\'ns=\',t.namespace,\';pid=\',t.page_id) FROM '.table_prefix.'page_text AS t + LEFT JOIN '.table_prefix.'pages AS p + ON ( t.page_id=p.urlname AND t.namespace=p.namespace ) + WHERE p.namespace=t.namespace + AND ( p.password=\'\' OR p.password=\'da39a3ee5e6b4b0d3255bfef95601890afd80709\' ) + AND p.visible=1;'; // Only indexes "visible" pages + return $texts; + } + + /** + * Rebuilds the search index + */ + + function rebuild_search_index() + { + global $db, $session, $paths, $template, $plugins; // Common objects + $search = new Searcher(); + $texts = Array(); + $textq = $db->sql_unbuffered_query($this->fetch_page_search_resource()); + if(!$textq) $db->_die(''); + while($row = $db->fetchrow_num()) + { + $texts[(string)$row[1]] = $row[0]; + } + $search->buildIndex($texts); + // echo '
'.print_r($search->index, true).'
'; + // return; + $q = $db->sql_query('DELETE FROM '.table_prefix.'search_index'); + if(!$q) return false; + $secs = Array(); + $q = 'INSERT INTO '.table_prefix.'search_index(word,page_names) VALUES'; + foreach($search->index as $word => $pages) + { + $secs[] = '(\''.$db->escape($word).'\', \''.$db->escape($pages).'\')'; + } + $q .= implode(',', $secs); + unset($secs); + $q .= ';'; + $result = $db->sql_query($q); + $db->free_result(); + if($result) + return true; + else + $db->_die('The search index was trying to rebuild itself when the error occured.'); + } + + /** + * Partially rebuilds the search index, removing/inserting entries only for the current page + * @param string $page_id + * @param string $namespace + */ + + function rebuild_page_index($page_id, $namespace) + { + global $db, $session, $paths, $template, $plugins; // Common objects + if(!$db->sql_query('SELECT page_text FROM '.table_prefix.'page_text + WHERE page_id=\''.$db->escape($page_id).'\' AND namespace=\''.$db->escape($namespace).'\';')) + { + return $db->get_error(); + } + $row = $db->fetchrow(); + $db->free_result(); + $search = new Searcher(); + $search->buildIndex(Array("ns={$namespace};pid={$page_id}"=>$row['page_text'])); + $new_index = $search->index; + + $keys = array_keys($search->index); + foreach($keys as $i => $k) + { + $c =& $keys[$i]; + $c = hexencode($c, '', ''); + } + $keys = "word=0x" . implode ( " OR word=0x", $keys ) . ""; + + // Zap the cache + $cache = array_keys($search->index); + if ( count($cache) < 1 ) + { + return false; + } + $cache = "query LIKE '%" . implode ( "%' OR query LIKE '%", $cache ) . "%'"; + $db->sql_query('DELETE FROM '.table_prefix.'search_cache WHERE '.$cache); + + $query = $db->sql_query('SELECT word,page_names FROM '.table_prefix.'search_index WHERE '.$keys.';'); + + while($row = $db->fetchrow()) + { + $row['word'] = rtrim($row['word'], "\0"); + $new_index[ $row['word'] ] = $row['page_names'] . ',' . $search->index[ $row['word'] ]; + } + $db->free_result(); + + $db->sql_query('DELETE FROM '.table_prefix.'search_index WHERE '.$keys.';'); + + $secs = Array(); + $q = 'INSERT INTO '.table_prefix.'search_index(word,page_names) VALUES'; + foreach($new_index as $word => $pages) + { + $secs[] = '(\''.$db->escape($word).'\', \''.$db->escape($pages).'\')'; + } + $q .= implode(',', $secs); + unset($secs); + $q .= ';'; + if(!$db->check_query($q)) + { + die('BUG: PathManager::rebuild_page_index: Query rejected by SQL parser:
'.$q.'
'); + } + $result = $db->sql_query($q); + if($result) + return true; + else + $db->_die('The search index was trying to rebuild itself when the error occured.'); + + } + + /** + * Creates an instance of the Searcher class, including index info + * @return object + */ + + function makeSearcher($match_case = false) + { + global $db, $session, $paths, $template, $plugins; // Common objects + $search = new Searcher(); + $q = $db->sql_query('SELECT word,page_names FROM '.table_prefix.'search_index;'); + if(!$q) + { + echo $db->get_error(); + return false; + } + $idx = Array(); + while($row = $db->fetchrow($q)) + { + $row['word'] = rtrim($row['word'], "\0"); + $idx[$row['word']] = $row['page_names']; + } + $db->free_result(); + $search->index = $idx; + if($match_case) + $search->match_case = true; + return $search; + } + + /** + * Creates an associative array filled with the values of all the page titles + * @return array + */ + + function get_page_titles() + { + $texts = Array(); + for ( $i = 0; $i < sizeof($this->pages) / 2; $i++ ) + { + $texts[$this->pages[$i]['urlname']] = $this->pages[$i]['name']; + } + return $texts; + } + + /** + * Creates an instance of the Searcher class, including index info for page titles + * @return object + */ + + function makeTitleSearcher($match_case = false) + { + global $db, $session, $paths, $template, $plugins; // Common objects + $search = new Searcher(); + $texts = $this->get_page_titles(); + $search->buildIndex($texts); + if($match_case) + $search->match_case = true; + return $search; + } + +} + +?>