(.*?)<\/nodisplay>/is', '', $text);
+
+ $text = RenderMan::render( $text );
+
+ echo $text;
+
+ $this->footer();
+
+ }
+ else if ( !$this->page_exists )
+ {
+ // Perhaps this is hooked?
+ ob_start();
+
+ $code = $plugins->setHook('page_not_found');
+ foreach ( $code as $cmd )
+ {
+ eval($cmd);
+ }
+
+ $ob = ob_get_contents();
+
+ if ( empty($ob) )
+ {
+ $this->err_page_not_existent();
+ }
+
+ }
+
+ }
+
+ /**
+ * Sets internal variables.
+ * @access private
+ */
+
+ function _setup($page_id, $namespace)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ $page_id_cleaned = sanitize_page_id($page_id);
+
+ $this->page_id = $page_id_cleaned;
+ $this->namespace = $namespace;
+
+ $this->perms = $session->fetch_page_acl( $page_id, $namespace );
+
+ // Exception for Admin: pages
+ if ( $this->namespace == 'Admin' )
+ {
+ $fname = "page_Admin_{$this->page_id}";
+ }
+
+ // Does the page "exist"?
+ if ( $paths->cpage['urlname_nons'] == $page_id && $paths->namespace == $namespace && !$paths->page_exists && ( $this->namespace == 'Admin' && !function_exists($fname) ) )
+ {
+ $this->page_exists = false;
+ }
+ else if ( !isset( $paths->pages[ $paths->nslist[$namespace] . $page_id ] ) && ( $this->namespace == 'Admin' && !function_exists($fname) ) )
+ {
+ $this->page_exists = false;
+ }
+ else
+ {
+ $this->page_exists = true;
+ }
+ }
+
+ /**
+ * Renders it all in one go, and echoes it out. This assumes that the text is in the DB.
+ * @access private
+ */
+
+ function render()
+ {
+ $text = $this->fetch_text();
+
+ $this->header();
+ display_page_headers();
+ echo RenderMan::render($text);
+ display_page_footers();
+ $this->footer();
+ }
+
+ /**
+ * Sends the page header, dependent on, of course, whether we're supposed to.
+ */
+
+ function header()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ if ( $this->send_headers )
+ $template->header();
+ }
+
+ /**
+ * Sends the page footer, dependent on, of course, whether we're supposed to.
+ */
+
+ function footer()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ if ( $this->send_headers )
+ $template->footer();
+ }
+
+ /**
+ * Fetches the raw, unfiltered page text.
+ * @access public
+ */
+
+ function fetch_text()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ if ( !empty($this->text_cache) )
+ {
+ return $this->text_cache;
+ }
+
+ $q = $db->sql_query('SELECT page_text, char_tag FROM '.table_prefix.'page_text WHERE page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\';');
+ if ( !$q )
+ {
+ $this->send_error('Error during SQL query.', true);
+ }
+ if ( $db->numrows() < 1 )
+ {
+ $this->page_exists = false;
+ return 'err_no_text_rows';
+ }
+
+ $row = $db->fetchrow();
+ $db->free_result();
+
+ if ( !empty($row['char_tag']) )
+ {
+ // This page text entry uses the old text-escaping format
+ $from = array(
+ "{APOS:{$row['char_tag']}}",
+ "{QUOT:{$row['char_tag']}}",
+ "{SLASH:{$row['char_tag']}}"
+ );
+ $to = array("'", '"', '\\');
+ $row['page_text'] = str_replace($from, $to, $row['page_text']);
+ }
+
+ $this->text_cache = $row['page_text'];
+
+ return $row['page_text'];
+
+ }
+
+ /**
+ * Send the error message to the user that the access to this page is denied.
+ * @access private
+ */
+
+ function err_access_denied()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ $ob = '';
+ $template->tpl_strings['PAGE_NAME'] = 'Access denied';
+
+ if ( $this->send_headers )
+ {
+ $ob .= $template->getHeader();
+ }
+
+ $ob .= 'Access to this page is denied.
This may be because you are not logged in or you have not met certain criteria for viewing this page.
';
+
+ if ( $this->send_headers )
+ {
+ $ob .= $template->getFooter();
+ }
+ echo $ob;
+ }
+
+ /**
+ * Send the error message to the user complaining that there weren't any rows.
+ * @access private
+ */
+
+ function err_no_rows()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ $title = 'No text rows';
+ $message = 'While the page\'s existence was verified, there were no rows in the database that matched the query for the text. This may indicate a bug with the software; ask the webmaster for more information. The offending query was:' . $db->latest_query . '
';
+ if ( $this->send_headers )
+ {
+ $template->tpl_strings['PAGE_NAME'] = $title;
+ $template->header();
+ echo "$message
";
+ $template->footer();
+ }
+ else
+ {
+ echo "$title
+ $message
";
+ }
+ }
+
+ /**
+ * Tell the user the page doesn't exist, and present them with their options.
+ * @access private
+ */
+
+ function err_page_not_existent()
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ $this->header();
+ header('HTTP/1.1 404 Not Found');
+ echo 'There is no page with this title yet.
+ You have requested a page that doesn\'t exist yet.';
+ if ( $session->get_permissions('create_page') )
+ {
+ echo ' You can create this page, or return to the homepage.';
+ }
+ else
+ {
+ echo ' Return to the homepage.
';
+ }
+ if ( $session->get_permissions('history_rollback') )
+ {
+ $e = $db->sql_query('SELECT * FROM ' . table_prefix . 'logs WHERE action=\'delete\' AND page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\' ORDER BY time_id DESC;');
+ if ( !$e )
+ {
+ $db->_die('The deletion log could not be selected.');
+ }
+ if ( $db->numrows() > 0 )
+ {
+ $r = $db->fetchrow();
+ echo 'This page also appears to have some log entries in the database - it seems that it was deleted on ' . $r['date_string'] . '. You can probably roll back the deletion.
';
+ }
+ $db->free_result();
+ }
+ echo '
+ HTTP Error: 404 Not Found
+
';
+ $this->footer();
+ }
+
+ /**
+ * PHP 4 constructor.
+ * @see PageProcessor::__construct()
+ */
+
+ function PageProcessor( $page_id, $namespace )
+ {
+ $this->__construct($page_id, $namespace);
+ }
+
+ /**
+ * Send an error message and die
+ * @var string Error message
+ * @var bool If true, send DBAL's debugging information as well
+ */
+
+ function send_error($message, $sql = false)
+ {
+ global $db, $session, $paths, $template, $plugins; // Common objects
+
+ $content = "$message
";
+ $template->tpl_strings['PAGE_NAME'] = 'General error in page fetcher';
+
+ if ( $this->debug['works'] )
+ {
+ $content .= $this->debug['backtrace'];
+ }
+
+ header('HTTP/1.1 500 Internal Server Error');
+
+ $template->header();
+ echo $content;
+ $template->footer();
+
+ $db->close();
+
+ exit;
+
+ }
+
+} // class PageProcessor
+
+?>