WB 2.08.x

<?php

/*

 Website Baker Project <http://www.websitebaker.org/>

 Copyright (C) 2004-2005, Ryan Djurovich

 Website Baker is free software; you can redistribute it 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.

 Website Baker 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 more details.

 You should have received a copy of the GNU General Public License

 along with Website Baker; if not, write to the Free Software

 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

/*

Frontend class

*/

require_once(WB_PATH.'/framework/class.wb.php');

class frontend extends wb {

	// defaults

	var	$default_link,$default_page_id;

	// page details

	// page database row

	var $page;

	var $page_id,$page_title,$menu_title,$parent,$root_parent,$level,$visibility;

	var $page_description,$page_keywords,$page_link_original,$page_link;

	var $page_trail=array();

	var $page_access_denied;

	// website settings

	var $website_title,$website_description,$website_keywords,$website_header,$website_footer;

	// ugly database stuff

	var $extra_sql,$extra_where_sql;

	function frontend() {

		$this->wb();

	}

	function page_select() {

		global $page_id,$no_intro;

		global $database;

		// We have no page id and are supposed to show the intro page

		if((INTRO_PAGE AND !isset($no_intro)) AND (!isset($page_id) OR !is_numeric($page_id))) {

			// Since we have no page id check if we should go to intro page or default page

			// Get intro page content

			$filename = WB_PATH.PAGES_DIRECTORY.'/intro.php';

			if(file_exists($filename)) {

				$handle = fopen($filename, "r");

				$content = fread($handle, filesize($filename));

				fclose($handle);

				$this->preprocess($content);

				echo stripslashes($content);

				return false;

			}

		}

		// Check if we should add page language sql code

		if(PAGE_LANGUAGES) {

			$this->sql_where_language = " AND language = '".LANGUAGE."'";

		}

		// Get default page

		// Check for a page id

		$query_default = "SELECT page_id,link FROM ".TABLE_PREFIX."pages WHERE parent = '0' AND visibility = 'public'$this->sql_where_language ORDER BY position ASC LIMIT 1";

		$get_default = $database->query($query_default);

		$default_num_rows = $get_default->numRows();

		if(!isset($page_id) OR !is_numeric($page_id)){

			// Go to or show default page

			if($default_num_rows > 0) {

				$fetch_default = $get_default->fetchRow();

				$this->default_link = $fetch_default['link'];

				$default_page_id = $fetch_default['page_id'];

				// Check if we should redirect or include page inline

				if(HOMEPAGE_REDIRECTION) {

					// Redirect to page

					header("Location: ".page_link($this->default_link));

					exit();

				} else {

					// Include page inline

					$this->page_id = $default_page_id;

				}

			} else {

		   		// No pages have been added, so print under construction page

				$this->print_under_construction();

				exit();

			}

		} else {

			$this->page_id=$page_id;

		}

		// Get default page link

		if(!isset($fetch_default)) {

		  	$fetch_default = $get_default->fetchRow();

	 		$this->default_link = $fetch_default['link'];

		}

		return true;

	}

	function get_page_details() {

		global $database;

	    if($this->page_id != 0) {

			// Query page details

			$query_page = "SELECT * FROM ".TABLE_PREFIX."pages WHERE page_id = '{$this->page_id}'";

			$get_page = $database->query($query_page);

			// Make sure page was found in database

			if($get_page->numRows() == 0) {

				// Print page not found message

				exit("Page not found");

			}

			// Fetch page details

			$this->page = $get_page->fetchRow();

			// Check if the page language is also the selected language. If not, send headers again.

			if ($this->page['language']!=LANGUAGE) {

				require_once(WB_PATH.'/framework/functions.php');

				header('Location: '.page_link($this->page['link']).'?lang='.$this->page['language']);

				exit();

			}

			// Begin code to set details as either variables of constants

			// Page ID

			define('PAGE_ID', $this->page['page_id']);

			$this->page_id=$this->page['page_id'];

			// Page Title

			define('PAGE_TITLE', stripslashes($this->page['page_title']));

			$this->page_title=PAGE_TITLE;

			// Menu Title

			$menu_title = stripslashes($this->page['menu_title']);

			if($menu_title != '') {

				define('MENU_TITLE', $menu_title);

			} else {

				define('MENU_TITLE', PAGE_TITLE);

			}

			$this->menu_title=MENU_TITLE;

			// Page parent

			define('PARENT', $this->page['parent']);

			$this->parent=$this->page['parent'];

			// Page root parent

			define('ROOT_PARENT', $this->page['root_parent']);

			$this->root_parent=$this->page['root_parent'];

			// Page level

			define('LEVEL', $this->page['level']);

			$this->level=$this->page['level'];

			// Page visibility

			define('VISIBILITY', $this->page['visibility']);

			$this->visibility=$this->page['visibility'];

			// Page trail

			foreach(explode(',', $this->page['page_trail']) AS $pid) {

				$this->page_trail[$pid]=$pid;

			}

			// Page description

			$this->page_description=$this->page['description'];

			// Page keywords

			$this->page_keywords=$this->page['keywords'];

			// Page link

			$this->link=$this->page_link($this->page['link']);

		// End code to set details as either variables of constants

		}

		// Work-out if any possible in-line search boxes should be shown

		if(SEARCH == 'public') {

			define('SHOW_SEARCH', true);

		} elseif(SEARCH == 'private' AND VISIBILITY == 'private') {

			define('SHOW_SEARCH', true);

		} elseif(SEARCH == 'private' AND $wb->is_authenticated() == true) {

			define('SHOW_SEARCH', true);

		} else {

			define('SHOW_SEARCH', false);

		}

		// Work-out if menu should be shown

		if(!defined('SHOW_MENU')) {

			define('SHOW_MENU', true);

		}

		// Work-out if login menu constants should be set

		if(FRONTEND_LOGIN) {

			// Set login menu constants

			define('LOGIN_URL', WB_URL.'/account/login'.PAGE_EXTENSION);

			define('LOGOUT_URL', WB_URL.'/account/logout'.PAGE_EXTENSION);

			define('FORGOT_URL', WB_URL.'/account/forgot'.PAGE_EXTENSION);

			define('PREFERENCES_URL', WB_URL.'/account/preferences'.PAGE_EXTENSION);

			define('SIGNUP_URL', WB_URL.'/account/signup'.PAGE_EXTENSION);

		}

		// Figure out what template to use

		if(!defined('TEMPLATE')) {

			if(isset($this->page['template']) AND $this->page['template'] != '') {

				if(file_exists(WB_PATH.'/templates/'.$this->page['template'].'/index.php')) {

					define('TEMPLATE', $this->page['template']);

				} else {

					define('TEMPLATE', DEFAULT_TEMPLATE);

				}

			} else {

				define('TEMPLATE', DEFAULT_TEMPLATE);

			}

		}

		// Set the template dir

		define('TEMPLATE_DIR', WB_URL.'/templates/'.TEMPLATE);

		// Check if user is allow to view this page

		if(FRONTEND_LOGIN AND VISIBILITY == 'private' OR FRONTEND_LOGIN AND VISIBILITY == 'registered') {

			// Double-check front-end login is enabled

			if(FRONTEND_LOGIN != true) {

				// Users shouldnt be allowed to view private pages

				header("Location: ".WB_URL.PAGES_DIRECTORY."/index".PAGE_EXTENSION);

			}

			// Check if the user is authenticated

			if($this->is_authenticated() == false) {

				// User needs to login first

				header("Location: ".WB_URL."/account/login".PAGE_EXTENSION);

			}

			// Check if we should show this page

			if($this->show_page($this->page) == false) {

				$this->page_access_denied=true;

			}

			// Set extra private sql code

			$this->extra_sql = ",viewing_groups,viewing_users";

			$this->extra_where_sql = "visibility != 'none' AND visibility != 'hidden' AND visibility != 'deleted'";

		} elseif(!FRONTEND_LOGIN AND VISIBILITY == 'private' OR !FRONTEND_LOGIN AND VISIBILITY == 'registered') {

			// User isnt allowed on this page so tell them

			$this->page_access_denied=true;

		} elseif(VISIBILITY == 'deleted') {

			// User isnt allowed on this page so tell them

			$this->page_access_denied=true;

		}

		if(!isset($this->extra_sql)) {

			// Set extra private sql code

			if(FRONTEND_LOGIN == 'enabled') {

				if($this->is_authenticated()) {

					$this->extra_sql = '';

					$this->extra_where_sql = "visibility != 'none' AND visibility != 'hidden' AND visibility != 'deleted'";

				} else {

					$this->extra_sql = '';

					$this->extra_where_sql = "visibility != 'none' AND visibility != 'hidden' AND visibility != 'deleted' AND visibility != 'private'";

				}

			} else {

				$this->extra_sql = '';

				$this->extra_where_sql = "visibility != 'none' AND visibility != 'hidden' AND visibility != 'deleted' AND visibility != 'private' AND visibility != 'registered'";

			}

		}

		$this->extra_where_sql .= $this->sql_where_language;

	}

	function get_website_settings() {

		global $database;

		// Get website settings (title, keywords, description, header, and footer)

		$query_settings = "SELECT name,value FROM ".TABLE_PREFIX."settings";

		$get_settings = $database->query($query_settings);

		while($setting = $get_settings->fetchRow()) {

			switch($setting['name']) {

				case 'title':

					define('WEBSITE_TITLE', stripslashes($setting['value']));

					$this->website_title=WEBSITE_TITLE;

				break;

				case 'description':

					if($page_description != '') {

						define('WEBSITE_DESCRIPTION', $page_description);

					} else {

						define('WEBSITE_DESCRIPTION', stripslashes($setting['value']));

					}

					$this->website_description=WEBSITE_DESCRIPTION;

				break;

				case 'keywords':

					if($page_keywords != '') {

						define('WEBSITE_KEYWORDS', stripslashes($setting['value']).' '.$page_keywords);

					} else {

						define('WEBSITE_KEYWORDS', stripslashes($setting['value']));

					}

					$this->website_keywords=WEBSITE_KEYWORDS;

				break;

				case 'header':

					define('WEBSITE_HEADER', stripslashes($setting['value']));

					$this->website_header=WEBSITE_HEADER;

				break;

				case 'footer':

					define('WEBSITE_FOOTER', stripslashes($setting['value']));

					$this->website_footer=WEBSITE_FOOTER;

				break;

			}

		}

	}

	function page_link($link){

		// Check for :// in the link (used in URL's)

		if(strstr($link, '://') == '') {

			return WB_URL.PAGES_DIRECTORY.$link.PAGE_EXTENSION;

		} else {

			return $link;

		}

	}

	function preprocess(&$content) {

		global $database;

		// Replace [wblink--PAGE_ID--] with real link

		$pattern = '/\[wblink(.+?)\]/s';

		preg_match_all($pattern,$content,$ids);

		foreach($ids[1] AS $page_id) {

			$pattern = '/\[wblink'.$page_id.'\]/s';

			// Get page link

			$get_link = $database->query("SELECT link FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id' LIMIT 1");

			$fetch_link = $get_link->fetchRow();

			$link = page_link($fetch_link['link']);

			$content = preg_replace($pattern,$link,$content);

		}

	}

	function menu($menu_number = 1, $start_level=0, $recurse = -1, $collapse = true, $item_template = '<li><span[class]>[a][menu_title][/a]</span>', $item_footer = '</li>', $menu_header = '<ul>', $menu_footer = '</ul>', $default_class = ' class="menu_default"', $current_class = ' class="menu_current"', $parent = 0) {

	   global $database;

	   if ($recurse==0)

	       return;

	   if ($start_level>0) {

	       $key_array=array_keys($this->page_trail);

	       $real_start=$key_array[$start_level-1];

	       if (isset($real_start))

	       {

	          menu($menu_number, 0, $recurse,$collapse,$item_template, $item_footer, $menu_header, $menu_footer, $default_class, $current_class, $real_start);

	      }

	       return;

	   }

	   // Check if we should add menu number check to query

	   if($parent == 0) {

	       $menu_number = "menu = '$menu_number'";

	   } else {

	      $menu_number = '1';

	   }

	   // Query pages

	   $query_menu = $database->query("SELECT page_id,menu_title,page_title,link,target,level,visibility$this->extra_sql FROM ".

	TABLE_PREFIX."pages WHERE parent = '$parent' AND $menu_number AND $this->extra_where_sql ORDER BY position ASC");

	   // Check if there are any pages to show

	   if($query_menu->numRows() > 0) {

	      // Print menu header

	      echo "\n".$menu_header;

	      // Loop through pages

	      while($page = $query_menu->fetchRow()) {

	         // Check if this page should be shown

	         // Create vars

	         $vars = array('[class]','[a]', '[/a]', '[menu_title]', '[page_title]');

	         // Work-out class

	         if($page['page_id'] == PAGE_ID) {

	            $class = $current_class;

	         } else {

	            $class = $default_class;

	         }

	         // Check if link is same as first page link, and if so change to WB URL

	         if($page['link'] == $default_link AND !INTRO_PAGE) {

	            $link = WB_URL;

	         } else {

	            $link = page_link($page['link']);

	         }

	         // Create values

	         $values = array($class,'<a href="'.$link.'" target="'.$page['target'].'" '.$class.'>', '</a>', stripslashes($page['menu_title']), stripslashes($page['page_title']));

	         // Replace vars with value and print

	         echo "\n".str_replace($vars, $values, $item_template);

	         // Generate sub-menu

	         if($collapse==false OR ($collapse==true AND isset($this->page_trail[$page['page_id']]))) {

	            $this->menu($menu_number, 0, $recurse-1, $collapse, $item_template, $item_footer, $menu_header, $menu_footer, $default_class, $current_class, $page['page_id']);

	         }

	         echo "\n".$item_footer;

	      }

	      // Print menu footer

	      echo "\n".$menu_footer;

	   }

	}

	function page_content($block = 1) {

		// Get outside objects

		global $database,$TEXT,$MENU,$HEADING,$MESSAGE;

		global $globals;

		if ($this->page_access_denied==true) {

            echo $MESSAGE['FRONTEND']['SORRY_NO_VIEWING_PERMISSIONS'];

			exit();

		}

		if(isset($globals) AND is_array($globals)) { foreach($globals AS $global_name) { global $$global_name; } }

		// Make sure block is numeric

		if(!is_numeric($block)) { $block = 1; }

		// Include page content

		if(!defined('PAGE_CONTENT')) {

			// First get all sections for this page

			$query_sections = $database->query("SELECT section_id,module FROM ".TABLE_PREFIX."sections WHERE page_id = '".PAGE_ID."' AND block = '$block' ORDER BY position");

			if($query_sections->numRows() > 0) {

				// Loop through them and include there modules file

				while($section = $query_sections->fetchRow()) {

					$section_id = $section['section_id'];

					$module = $section['module'];

					require(WB_PATH.'/modules/'.$module.'/view.php');

				}

			}

		} else {

			if($block == 1) {

				require(PAGE_CONTENT);

			}

		}

	}

	// Function for page title

	function page_title($spacer = ' - ', $template = '[WEBSITE_TITLE][SPACER][PAGE_TITLE]') {

		$vars = array('[WEBSITE_TITLE]', '[PAGE_TITLE]', '[MENU_TITLE]', '[SPACER]');

		$values = array(WEBSITE_TITLE, PAGE_TITLE, MENU_TITLE, $spacer);

		echo str_replace($vars, $values, $template);

	}

	// Function for page description

	function page_description() {

		echo WEBSITE_DESCRIPTION;

	}

	// Function for page keywords

	function page_keywords() {

		echo WEBSITE_KEYWORDS;

	}

	// Function for page header

	function page_header($date_format = 'Y') {

		echo WEBSITE_HEADER;

	}

	// Function for page footer

	function page_footer($date_format = 'Y') {

		global $starttime;

   		$vars = array('[YEAR]', '[PROCESSTIME]');

   		$processtime=(microtime()>$starttime)?microtime()-$starttime:microtime()-$starttime+1;

		$values = array(date($date_format),$processtime);

		echo str_replace($vars, $values, WEBSITE_FOOTER);

	}

	// Function to show the "Under Construction" page

	function print_under_construction() {

		global $MESSAGE;

		require_once(WB_PATH.'/languages/'.DEFAULT_LANGUAGE.'.php');

		echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

		<head><title>'.$MESSAGE['GENERIC']['WEBSITE_UNDER_CONTRUCTION'].'</title>

		<style type="text/css"><!-- body { font-family: Verdana, Arial, Helvetica, sans-serif;

		font-size: 12px; color: #000000;	background-color: #FFFFFF;	margin: 20px; text-align: center; }

		h1 { margin: 0; padding: 0; }--></style></head><body>

		<h1>'.$MESSAGE['GENERIC']['WEBSITE_UNDER_CONTRUCTION'];'.</h1><br />

		'.$MESSAGE['GENERIC']['PLEASE_CHECK_BACK_SOON'].'</body></html>';

	}

}

?>