bludit/bl-kernel/url.class.php

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<?php defined('BLUDIT') or die('Bludit CMS.');
class Url
{
protected $uri;
protected $uriStrlen;
protected $whereAmI;
protected $slug;
protected $filters; // Filters for the URI
protected $notFound;
protected $parameters;
protected $activeFilter;
protected $httpCode;
protected $httpMessage;
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function __construct()
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{
// Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character.
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$decode = urldecode($_SERVER['REQUEST_URI']);
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// Remove parameters GET, I don't use parse_url because has problem with utf-8
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$explode = explode('?', $decode);
$this->uri = $explode[0];
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$this->parameters = $_GET;
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$this->uriStrlen = Text::length($this->uri);
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$this->whereAmI = 'home';
$this->notFound = false;
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$this->slug = '';
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$this->filters = array();
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$this->activeFilter = '';
$this->httpCode = 200;
$this->httpMessage = 'OK';
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}
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// Filters change for different languages
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// Ex (Spanish): Array('post'=>'/publicacion/', 'tag'=>'/etiqueta/', ....)
// Ex (English): Array('post'=>'/post/', 'tag'=>'/tag/', ....)
public function checkFilters($filters)
{
// Put the "admin" filter first
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$adminFilter['admin'] = $filters['admin'];
unset($filters['admin']);
uasort($filters, array($this, 'sortByLength'));
$this->filters = $adminFilter + $filters;
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foreach ($this->filters as $filterName=>$filterURI) {
// $filterName = 'category'
// $filterURI = '/category/'
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// $filterURIwoSlash = '/category'
$filterURIwoSlash = rtrim($filterURI, '/');
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// $filterFull = '/base_url/category/'
$filterFull = ltrim($filterURI, '/');
$filterFull = HTML_PATH_ROOT.$filterFull;
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$filterFullLenght = Text::length($filterFull);
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$subString = mb_substr($this->uri, 0, $filterFullLenght, CHARSET);
// Check coincidence without the last slash at the end, this case is notfound
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if ($subString==$filterURIwoSlash) {
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$this->setNotFound();
return false;
}
// Check coincidence with complete filterURI
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if ($subString==$filterFull) {
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$this->slug = mb_substr($this->uri, $filterFullLenght);
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$this->setWhereAmI($filterName);
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$this->activeFilter = $filterURI;
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if (empty($this->slug) && ($filterName=='blog')) {
$this->setWhereAmI('blog');
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} elseif (!empty($this->slug) && ($filterName=='blog')) {
$this->setNotFound();
return false;
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} elseif (empty($this->slug) && ($filterURI=='/')) {
$this->setWhereAmI('home');
} elseif (!empty($this->slug) && ($filterURI=='/')) {
$this->setWhereAmI('page');
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} elseif ($filterName=='admin') {
$this->slug = ltrim($this->slug, '/');
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}
return true;
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}
}
$this->setNotFound();
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return false;
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}
public function slug()
{
return $this->slug;
}
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public function setSlug($slug)
{
$this->slug = $slug;
}
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public function activeFilter()
{
return $this->activeFilter;
}
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public function explodeSlug($delimiter="/")
{
return explode($delimiter, $this->slug);
}
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public function uri()
{
return $this->uri;
}
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// Return the filter filter by type
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public function filters($type, $trim=true)
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{
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$filter = $this->filters[$type];
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if ($trim) {
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$filter = trim($filter, '/');
}
return $filter;
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}
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// Returns where is the user, home, pages, categories, tags..
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public function whereAmI()
{
return $this->whereAmI;
}
public function setWhereAmI($where)
{
$GLOBALS['WHERE_AM_I'] = $where;
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$this->whereAmI = $where;
}
public function notFound()
{
return $this->notFound;
}
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public function pageNumber()
{
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if (isset($this->parameters['page'])) {
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return (int)$this->parameters['page'];
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}
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return 1;
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}
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public function parameter($field)
{
if (isset($this->parameters[$field])) {
return $this->parameters[$field];
}
return false;
}
public function setNotFound()
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{
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$this->setWhereAmI('page');
$this->notFound = true;
$this->httpCode = 404;
$this->httpMessage = 'Not Found';
}
public function httpCode()
{
return $this->httpCode;
}
public function setHttpCode($code = 200)
{
$this->httpCode = $code;
}
public function httpMessage()
{
return $this->httpMessage;
}
public function setHttpMessage($msg = 'OK')
{
$this->httpMessage = $msg;
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}
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private function sortByLength($a, $b)
{
return strlen($b)-strlen($a);
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}
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}