bludit/kernel/url.class.php

187 lines
3.6 KiB
PHP

<?php defined('BLUDIT') or die('Bludit CMS.');
class Url
{
private $uri;
private $uriStrlen;
private $whereAmI;
private $slug;
private $filters; // Filters for the URI
private $notFound;
private $parameters;
function __construct()
{
// Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character.
$decode = urldecode($_SERVER['REQUEST_URI']);
// remove parameters GET, do not use parse_url because has problem with utf-8.
$explode = explode('?', $decode);
$this->uri = $explode[0];
$this->parameters = $_GET;
$this->uriStrlen = Text::length($this->uri);
$this->whereAmI = 'home';
$this->notFound = false;
$this->slug = '';
$this->filters = array();
}
// Filters may be changed for different languages
// Ex (Spanish): Array('post'=>'/publicacion/', 'tag'=>'/etiqueta/', ....)
// Ex (English): Array('post'=>'/post/', 'tag'=>'/tag/', ....)
public function checkFilters($filters)
{
// Get the admin filter
$adminFilter['admin'] = $filters['admin'];
unset($filters['admin']);
// Sort by filter length
uasort($filters, array($this, 'sortByLength'));
// Push the admin filter first
$filters = $adminFilter + $filters;
$this->filters = $filters;
foreach($filters as $filterKey=>$filter)
{
// getSlugAfterFilter() set the variable $this->slug
$slug = $this->getSlugAfterFilter($filter);
// If the filter is included in the URI.
if($slug!==false)
{
// Where Am I is the filter now, because is in the URI.
$this->whereAmI = $filterKey;
// If the slug empty
if(empty($slug))
{
if($filter==='/')
{
$this->whereAmI = 'home';
break;
}
if($filter===$adminFilter['admin'])
{
$this->whereAmI = 'admin';
$this->slug = 'dashboard';
break;
}
$this->setNotFound(true);
}
break;
}
}
}
public function slug()
{
return $this->slug;
}
public function explodeSlug($delimiter="/")
{
return explode($delimiter, $this->slug);
}
public function uri()
{
return $this->uri;
}
// Return the filter used
public function filters($type, $trim=true)
{
$filter = $this->filters[$type];
if($trim) {
$filter = trim($filter, '/');
}
return $filter;
}
// Return: home, tag, post
public function whereAmI()
{
return $this->whereAmI;
}
public function setWhereAmI($where)
{
$this->whereAmI = $where;
}
public function notFound()
{
return $this->notFound;
}
public function pageNumber()
{
if(isset($this->parameters['page'])) {
return $this->parameters['page'];
}
return 0;
}
public function setNotFound($error = true)
{
$this->notFound = $error;
}
public function getDomain()
{
if(!empty($_SERVER['HTTPS'])) {
$protocol = 'https://';
}
else {
$protocol = 'http://';
}
$domain = $_SERVER['HTTP_HOST'];
return $protocol.$domain.HTML_PATH_ROOT;
}
// Return the slug after the $filter
// If the filter is not included in the uri, returns FALSE
// If the filter is included in the uri and the slug is not empty, returns the slug
// ex: http://domain.com/cms/$filter/slug123 => slug123
private function getSlugAfterFilter($filter)
{
if($filter=='/') {
$filter = HTML_PATH_ROOT;
}
// Check if the filter is in the uri.
$position = Text::strpos($this->uri, $filter);
if($position===false) {
return false;
}
$start = $position + Text::length($filter);
$end = $this->uriStrlen;
$slug = Text::cut($this->uri, $start, $end);
$this->slug = trim($slug, '/');
return $slug;
}
private function sortByLength($a, $b)
{
return strlen($b)-strlen($a);
}
}