/index.php

<?php
/**
	* front controller for WebME files
	*
	* PHP version 5.2
	*
	* @category None
	* @package  None
	* @author   Kae Verens <kae@kvsites.ie>
	* @license  GPL 2.0
	* @link     http://kvsites.ie/
	*/

// { common variables and functions

// { WW_getCSS

/**
	* retrieve a URL linking all added CSS sheets
	*
	* @return string HTML element with generated URL
	*/
function WW_getCSS() {
	return '<style>@import "/css/'.join('|', $GLOBALS['css_urls']).'";</style>';
}

// }
// { WW_getInlineScripts

/**
	* retrieve all inline JS scripts in a HTML element
	*
	* @return string HTML <script> element with inline JS scripts
	*/
function WW_getInlineScripts() {
	if (count($GLOBALS['scripts_inline'])) {
		return '<script>'.join('', $GLOBALS['scripts_inline']).'</script>';
	}
}

// }
// { WW_getScripts

/**
	* retrieve a URL linking all added external JS scripts
	*
	* @return string generated URL
	*/
function WW_getScripts() {
	global $scripts;
	$latest=filemtime(SCRIPTBASE.'j/js.js');
	foreach ($scripts as $script) {
		if (strpos($script, '/')===0) {
			$t=filemtime(SCRIPTBASE.$script);
		}
		else {
			$t=filemtime(SCRIPTBASE.'/ww.plugins/'.$script);
		}
		if ($t>$latest) {
			$latest=$t;
		}
	}
	return '/js/'.$latest.'*'
		.join('*', $scripts);
}

// }

require_once 'ww.incs/common.php';
if (isset($https_required) && $https_required && !$_SERVER['HTTPS']) {
	redirect('https://www.'.str_replace('www.', '', $_SERVER['HTTP_HOST']).'/');
}
if (isset($DBVARS['canonical_name'])
	&& $_SERVER['HTTP_HOST']!=$DBVARS['canonical_name']
) {
	redirect(
		(@$_SERVER['HTTPS']=='on'?'https':'http')
		.'://'.$DBVARS['canonical_name'].$_SERVER['REQUEST_URI']
	);
}
if (!isset($DBVARS['version']) || $DBVARS['version']<56) {
	redirect('/ww.incs/upgrade.php');
}
$id=(int)@$_REQUEST['pageid'];
$page=preg_replace('#&.*|/$#', '', @$_REQUEST['page']);
// }
// { is this a search?
if ($page=='' && isset($_GET['search']) || isset($_GET['s'])) {
	require_once 'ww.incs/search.php';
	$id=Search_getPage();
}
// }
// { check for Cron events
if (!isset($DBVARS['cron-next']) || $DBVARS['cron-next']<date('Y-m-d H:i:s')) {
	require_once dirname(__FILE__).'/ww.incs/cron.php';
}
// }
// { is maintenance mode enabled?
if (isset($DBVARS['maintenance-mode']) && $DBVARS['maintenance-mode']=='yes') {
	if (!Core_isAdmin()) {
		die($DBVARS['maintenance-mode-message']);
	}
}
// }
// { get current page id
if (!$id) {
	if ($page) {         // find using the page name
		$r=Page::getInstanceByName($page);
		if ($r && isset($r->id)) {
			$id=$r->id;
			$PAGEDATA=Page::getInstance($id)->initValues();
			if (isset($PAGEDATA->vars['_short_url'])
				&& $PAGEDATA->vars['_short_url']
			) {
				$s=dbOne(
					'select short_url from short_urls where page_id='.$id, 'short_url'
				);
				if ($s!=$page) {
					redirect('/'.$s);
				}
			}
		}
		if (!$id) {
			$id=(int)dbOne(
				'select page_id from short_urls where short_url="'
				.addslashes($page).'"',
				'page_id'
			);
		}
	}
	if (!$id) {          // or maybe it's a "special" or the home page
		$special=1;
		if (isset($_GET['special']) && $_GET['special']) {
			$special=$_GET['special'];
		}
		if (!$page) {
			$r=Page::getInstanceBySpecial($special);
			if ($r && isset($r->id)) {
				if ($special==1) {
					redirect($r->getRelativeUrl());
				}
				$id=$r->id;
			}
		}
	}
	if (!$id && $page) { // ok - find the nearest existing page then
		$unused_uri='';
		while (!$id && strpos($page, '/')!==false) {
			$l=strrpos($page, '/');
			$unused_uri=substr($page, $l+1).'/'.$unused_uri;
			$page=substr($page, 0, $l);
			$r=Page::getInstanceByName($page);
			if ($r && isset($r->id)) {
				$id=$r->id;
				$PAGE_UNUSED_URI=substr($unused_uri, 0, strlen($unused_uri)-1);
			}
		}
	}
}
// }
// { load page data
if ($id) {
	$PAGEDATA=Page::getInstance($id)->initValues();
}
else {
	if ($page!='') {
		redirect('/');
	}
	Core_quit(
		__(
			'no page loaded. If this is a new site, then please'
			.' <a href="/ww.admin/">log into the admin area</a> and create your'
			.' first page.',
			'core'
		)
	);
}
$c=Core_trigger('page-object-loaded');
// }
// { if URL includes a plugin override, run that instead of displaying the page
if (isset($_REQUEST['_p'])
	&& isset($PLUGINS[$_REQUEST['_p']]['page-override'])
) {
	Core_quit($PLUGINS[$_REQUEST['_p']]['page-override']($PAGEDATA));
}
// }
// { main content
// { check if page is protected
$access_allowed=1;
foreach ($PLUGINS as $p) {
	if ($access_allowed && isset($p['frontend']['page_display_test'])) {
		$access_allowed=$p['frontend']['page_display_test']($PAGEDATA);
	}
}
// }
if (!$access_allowed) {
	$c.='<h2>'.__('Permission Denied', 'core').'</h2>'
		.'<p>'.__('This is a protected document.', 'core').'</p><p>'
		.isset($_SESSION['userdata'])
			?__(
				'You are not in a user-group which has access to this page. If you'
				.' think you should be, please contact the site administrator.',
				'core'
			)
			:'<p><strong>'.__(
				'If you have a user account, please <a href="/_r?type=loginpage">'
				.'click here</a> to log in.',
				'core'
			);
	$c.='</p><p>'
		.__(
			'If you do not have a user account, but have been supplied with a'
			.' password for the page, please enter it here and submit the form:',
			'core'
		)
		.'</p>'
		.'<form method="post"><input type="password" name="privacy_password" />'
		.'<input type="submit" /></form>';
}
elseif (@$_REQUEST['cmsspecial']=='sitemap') {
	require_once 'ww.incs/sitemap-funcs.php';
	$c.=Sitemap_get();
}
else {
	switch($PAGEDATA->type) {
		case '0': // { normal page
			$c.=$PAGEDATA->render();
		break;
		// }
		case '1': // { redirect
			if (isset($PAGEDATA->vars['redirect_to'])
				&& $PAGEDATA->vars['redirect_to']
			) {
				redirect($PAGEDATA->vars['redirect_to']);
			}
		break; // }
		case '4': // { sub-page summaries
			require_once 'ww.incs/page.summaries.php';
			$c.=PageSummaries_getHtml($PAGEDATA->id);
		break; // }
		case '5': // { search results
			require_once 'ww.incs/search.php';
			$c.=$PAGEDATA->render().Search_showResults();
		break; // }
		case '9': // { table of contents
			require 'ww.incs/tableofcontents.php';
			$c.=TableOfContents_getContent($PAGEDATA);
		break; // }
		default: // { plugins, and unknown
			$not_found=true;
			if (isset($PLUGINS[$PAGEDATA->type])) {
				$p=$PLUGINS[$PAGEDATA->type];
				if (isset($p['frontend']['page_type'])
					&& function_exists($p['frontend']['page_type'])
				) {
					$c.=$p['frontend']['page_type']($PAGEDATA);
					$not_found=false;
				}
			}
			else {
				foreach ( $PLUGINS as $p ) {
					if (is_array(@$p[ 'frontend' ][ 'page_type' ])) {
						foreach ($p[ 'frontend' ][ 'page_type' ] as $name => $function) {
							if ($name == $PAGEDATA->type && function_exists($function)) {
								$c .= $function($PAGEDATA);
								$not_found = false;
								break;
							}
						}
					}
				}
			}
			if ($not_found) {
				$c.='<em><span>'
					.__('No plugin found to handle page type:', 'core')
					.'</span> <strong>'.htmlspecialchars($PAGEDATA->type)
					.'</strong>. '
					.__('Is the plugin installed and enabled?', 'core')
					.'</em>';
			}
			// }
	}
}
$pagecontent=$c
	.Core_trigger('page-content-created')
	.'<span class="end-of-page-content"></span>';
// }
// { load page template
if (isset($_REQUEST['__t']) && !preg_match('/[\.\/]/', $_REQUEST['__t'])) {
	$PAGEDATA->template=$_REQUEST['__t'];
}
if (file_exists(THEME_DIR.'/'.THEME.'/h/'.$PAGEDATA->template.'.html')) {
	$template=THEME_DIR.'/'.THEME.'/h/'.$PAGEDATA->template.'.html';
}
elseif (file_exists(THEME_DIR.'/'.THEME.'/h/_default.html')) {
	$template=THEME_DIR.'/'.THEME.'/h/_default.html';
}
else {
	require_once dirname(__FILE__).'/ww.incs/template-find.php';
}
// }
// { set up smarty
$smarty=Core_smartySetup(USERBASE.'/ww.cache/pages');
$smarty->template_dir=THEME_DIR.'/'.THEME.'/h/';
$smarty->assign(
	'PAGECONTENT', '<div id="ww-pagecontent">'.$pagecontent.'</div>'
);
$smarty->assign('PAGEDATA', $PAGEDATA);
$smarty->assign('THEMEDIR', '/ww.skins/'.THEME);
// }
// { build metadata
// { page title
$c='<title>'
	.htmlspecialchars(
		$PAGEDATA->title
		?$PAGEDATA->title
		:str_replace(
			'www.', '',
			$_SERVER['HTTP_HOST']
		)
		.' > '.__FromJson($PAGEDATA->name)
	)
	.'</title>';
// }
// { show stylesheet and javascript links
$c.='WW_CSS_GOES_HERE'.Core_getJQueryScripts()
	.'<script src="WW_SCRIPTS_GO_HERE"></script>';
// { generate inline javascript
$tmp='var pagedata={id:'.$PAGEDATA->id
	.Core_trigger('displaying-pagedata')
	.',ptop:'.$PAGEDATA->getTopParentId()
	.(isset($DBVARS['cdn']) && $DBVARS['cdn']?', cdn:"'.$DBVARS['cdn'].'"':'')
	.',sessid:"'.session_id().'"'
	.',lang:"'.@$_SESSION['language'].'"'
	.'},'
	.(
		isset($_SESSION['userdata']['id'])
			?User::getAsScript()
			:'userdata={isAdmin:0'.(isset($_SESSION['wasAdmin'])?',wasAdmin:1':'').'};'
	);
array_unshift($scripts_inline, $tmp);
// }
if (Core_isAdmin()) {
	foreach ($GLOBALS['PLUGINS'] as $p) {
		if (isset($p['frontend']['admin-script'])) {
			WW_addScript($p['frontend']['admin-script']);
		}
	}
}
// }
// { meta tags
$c.='<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />';
if ($PAGEDATA->keywords) {
	$c.='<meta http-equiv="keywords" content="'
		.htmlspecialchars($PAGEDATA->keywords).'" />';
}
if ($PAGEDATA->description) {
	$c.='<meta http-equiv="description" content="'
		.htmlspecialchars($PAGEDATA->description).'"/>';
}
if (isset($PAGEDATA->vars['google-site-verification'])) {
	$c.='<meta name="google-site-verification" content="'
		.htmlspecialchars($PAGEDATA->vars['google-site-verification']).'" />';
}
if (isset($PAGEDATA->vars['header_html'])) {
	$c.=$PAGEDATA->vars['header_html'];
}
$smarty->assign(
	'pagename',
	@$PAGEDATA->alias?$PAGEDATA->alias:$PAGEDATA->name
);
if (isset($DBVARS['theme_variant']) && $DBVARS['theme_variant']) {
	if (!file_exists(THEME_DIR.'/'.THEME.'/cs/'.$DBVARS['theme_variant'].'.css')) {
		unset($DBVARS['theme_variant']);
		Core_configRewrite();
	}
	else {
		$c.='<link rel="stylesheet" href="/ww.skins/'.THEME.'/cs/'
			.$DBVARS['theme_variant'].'.css" />';
	}
}
// }
// { favicon
if (file_exists(USERBASE.'/f/skin_files/favicon.png')) {
	$c.='<link rel="shortcut icon" href="/f/skin_files/favicon.png" />';
}
// }
$smarty->assign('METADATA', $c.Core_trigger('building-metadata'));
// }
// { send timing header
global $starttimeCount, $starttime;
header(
	'X-RenderTime-'.($starttimeCount++).'-totalSetup: '.((microtime(true)-$starttime)*1000)
);
$starttime=microtime(true);
// }
// { display the document
ob_start();
if (strpos($template, '/')===false) {
	$template=THEME_DIR.'/'.THEME.'/h/'.$template.'.html';
}
$t=$smarty->fetch($template);
$t=str_replace(
	array('WW_SCRIPTS_GO_HERE', 'WW_CSS_GOES_HERE', '</body>'),
	array(WW_getScripts(), WW_getCSS(), WW_getInlineScripts().'</body>'),
	$t
);
if (isset($DBVARS['cdn'])) {
	$t=str_replace(
		array(
			'href="/f/', 'src="/f/', 'src="/js/', 'href="/ww.skins/',
			'url(/f/', 'src="/a/f=getImg/'
		),
		array(
			'href="//'.$DBVARS['cdn'].'/f/',
			'src="//'.$DBVARS['cdn'].'/f/',
			'src="//'.$DBVARS['cdn'].'/js/',
			'href="//'.$DBVARS['cdn'].'/ww.skins/',
			'url(//'.$DBVARS['cdn'].'/f/',
			'src="//'.$DBVARS['cdn'].'/a/f=getImg/'
		),
		$t
	);
}

echo $t;

Core_flushBuffer('page', 'Content-type: text/html; Charset=utf-8');
// }