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<?php
/*
* Keruald, core libraries for Pluton and Xen engines.
* (c) 2010, Sébastien Santoro aka Dereckson, some rights reserved
* Released under BSD license
*
* @package Pluton
* @subpackage Pluton
* @copyright Copyright (c) 2010-2011, Sébastien Santoro aka Dereckson
* @license Released under BSD license
* @version 0.1
*/
class Document {
/**
* URL, before any treatment
*/
public $url;
/**
* Topic, with - as topic seperator
*/
public $topic;
/**
* Article, without extension
*/
public $article;
/**
* Extension, without .
*/
public $extension;
/**
* HTTP status code (200, 404, etC.)
*/
public $status;
/**
* Document title
*/
public $title;
/**
* Document description
*/
public $description;
/**
* Content to write in <head> block
*/
public $head;
/**
* Initializes a new instance of Session object
*/
public function __construct ($url) {
$this->url = self::clean_url($url);
$this->get_document();
}
/**
* Finds the document
*/
private function find_document () {
//URL matches an existing file or directory
if (file_exists($this->url)) {
if (is_dir($this->url)) {
//Ensures we've a trailing /
$url = (substr($this->url, -1) == '/') ? $this->url : $this->url . '/';
if (file_exists($url . 'index.html')) {
$this->url = $url . 'index.html';
} elseif (file_exists($url . 'index.php')) {
$this->url = $url . 'index.php';
} else {
return false; //empty directory
}
}
return true;
}
//Try other extensions
$extensions_to_try = array('html', 'php');
$pathinfo = pathinfo($this->url);
foreach ($extensions_to_try as $ext) {
$file = "$pathinfo[dirname]/$pathinfo[filename].$ext";
if (file_exists($file)) {
$this->url = $file;
return true;
}
}
//Handle homepages
if ($this->is_homepage($this->url)) {
$this->url = "_index/index.html";
return true;
}
return false;
}
/**
* Gets the document matching the URL
*/
private function get_document () {
global $Config;
//Finds the document
if ($this->find_document()) {
$this->status = 200;
} else {
/*
print_r($this);
phpinfo(32);
die();
*/
$this->url = $Config['Errorpage'];
$this->status = 404;
}
//Fills info from URL
$pathinfo = pathinfo($this->url);
if (!$this->is_homepage()) {
$this->topic = str_replace('/', '-', $pathinfo['dirname']);
$this->article = $pathinfo['filename']; //PHP 5.2.0+
}
$this->extension = strtolower($pathinfo['extension']);
$this->title = "[$this->article]";
//Fills info from _documents.xml
$this->get_description();
}
/**
* Cleans specified URL
*
* @param string $url the URL to clean
* @return string clean URL
*/
public static function clean_url ($url) {
global $Config;
if ($Config['AllowTopicArticleRequest'] && self::hasTopicArticleRequest()) {
//This legacy mode allows site with 2001 Pluton version like
//espace-win.net to make a smoother transition.
//Cf. www.w3.org/Provider/Style/URI.html Cool URIs don't change
//Topic (?Topic=...)
if (array_key_exists('Topic', $_REQUEST)) {
$url = str_replace('-', '/', $_REQUEST['Topic']) . '/';
}
//Article (&Article=...)
if (array_key_exists('Article', $_REQUEST)) {
$url .= $_REQUEST['Article'];
} else {
$url .= 'index';
}
//Extension (&ext=...)
if (array_key_exists('ext', $_REQUEST)) {
$url .= '.';
$url .= $_REQUEST['ext'];
} else {
$url .= '.html';
}
return $url;
}
//Homepage?
if ($url == '' || $url == '/' || $url == $Config['BaseURL'] || $url == $Config['BaseURL'] . '/') {
return $Config['Homepage'];
}
return substr($url, 1);
}
/**
* Determines if the HTTP request contains Topic, Article or ext parameters
*
* @return bool true if the HTTP request contains Topic, Article or ext parameters ; otherwise, false
*/
public static function hasTopicArticleRequest () {
return array_key_exists('Topic', $_REQUEST) || array_key_exists('Article', $_REQUEST) || array_key_exists('ext', $_REQUEST);
}
/**
* Determines if the current document is the homepage.
*
* @return bool true if the current document is the homepage ; otherwise, false.
*/
public function is_homepage () {
global $Config;
//return $this->url == $Config['Homepage'];
if ( $this->url == $Config['Homepage']) return true;
if ($this->topic == "_index" && substr($this->article, 0, 5) == "index") return true;
return false;
}
/**
* Gets footer file (_footer.php) path in the current or parent directories
*
* @return string the path to the current footer if found ; otherwise, null. (or null if no footer is found)
*/
public function get_footer () {
$dirs = explode('-', $this->topic);
for ($i = count($dirs) ; $i > 0 ; $i--) {
$footer = join($dirs, '/') . '/_footer.php';
if (file_exists($footer)) {
return $footer;
}
array_pop($dirs);
}
return null;
}
/**
* Prints the document
*
* Use this method if you don't wish to have access to any other global
* variables than $db, $Config, $Session and $CurrentUser.
*
* A more flexible method is the body of this method in _includes/body.php
* and to add in your skin <?php include('_includes/body.php'); ?>
*/
public function render () {
global $db, $Config, $Session, $CurrentUser;
$document = $this;
//404 header
if ($this->status == 404) {
header("Status: 404 Not Found");
}
//Header content
$header = str_replace('-', '/', $this->topic) . '/_header.php';
if (file_exists($header)) {
include($header);
}
//Includes file
switch ($this->extension) {
case 'txt':
echo "<pre>";
include($this->url);
echo "</pre>";
break;
case 'png':
case 'jpg':
case 'gif':
case 'svg':
case 'bmp':
echo "<div align=center><img src=\"$this->url\" /></div>";
break;
default:
include($this->url);
}
//Footer
if ($footer = $this->get_footer()) {
include($footer);
}
}
/**
* Gets the document description
*/
function get_description () {
if ($description = self::get_description_from_documentsXml($this->topic, $this->article)) {
$variables = [ 'title', 'description', 'head' ];
foreach ($variables as $variable) {
if (isset($description->$variable)) {
$this->$variable = (string)$description->$variable;
}
}
}
}
public static function get_description_from_documentsXml ($topic, $article) {
$topicDocuments = str_replace('-', '/', $topic) . '/_documents.xml';
if (file_exists($topicDocuments)) {
$xml = simplexml_load_file($topicDocuments, null, LIBXML_NOCDATA);
if (is_array($xml->document)) {
$documents = $xml->document;
} else {
$documents = [ $xml->document ];
}
foreach ($documents as $document) {
if ($document->article == $article) {
return $document;
}
}
return null;
}
}
}
?>

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text/x-php
Expires
Sat, Aug 8, 09:01 (1 d, 5 h)
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Storage Handle
3961976
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document.php (8 KB)

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