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<?php
// Check to ensure this file is included in Joomla!
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.plugin.plugin' );
jimport( 'joomla.filesystem.file' );
/**
* RokDownload Link Content Plugin
*
* @package Joomla
* @subpackage Content
* @since 1.5
*/
class plgContentRokDownloads extends JPlugin
{
var $_debug;
var $_library = array();
var $_initialized = false;
var $_instanceId = 0;
function plgContentRokDownloads(& $subject, $config) {
parent :: __construct($subject, $config);
$this->_instanceId = rand(1000, 9999);
$this->_debug = JRequest::getVar('debug_plg_content_rokdownloads') == true ? true : false;
//$this->_debug = true;
}
function _PHP4() {
if (version_compare( phpversion(), '5.0' ) < 0) {
if (!$this->_initialized) {
//Something is wrong with PHP4... let's repeat the work...
$this->_instanceId = rand(1000, 9999);
$this->_initialize();
}
return true;
} else {
return false;
}
}
function _initialize() {
if ($this->_initialized) {
JError::raiseWarning( '1' , 'plg_content_rokdownloads instanceId=' . $this->_instanceId . ' was initialized already');
return true;
}
$inifile = JPATH_ROOT.DS.'plugins'.DS.'content'.DS.'rokdownloads'.DS.'rokdownloads.ini';
if (!JFile::exists($inifile)) {
JError::raiseWarning( '1' , 'Cannot find macro file : ' . $inifile);
return true;
}
$this->_library = $this->_readIniFile($inifile, $this->_library);
}
/**
* Edit the content to render the link for the rokdownload
*
* @param object The article object. Note $article->text is also available
* @param object The article params
* @param int The 'page' number
* @return string
*/
function onBeforeDisplayContent( &$article, &$params, $limitstart )
{
$this->_initialize();
//simple performance check to determine whether bot should process further
if ( strpos( $article->text, '[rokdownload' ) === false) {
return '';
}
$menu = &JSite::getMenu();
$cache = & JFactory :: getCache('plg_content_rokdownloads');
$downloads = $cache->call(array('plgContentRokDownloads','_getDownloads'));
if ($this->_debug) var_dump ($this->_library);
foreach ($this->_library as $key => $val) {
$search = array();
$replace = array();
$key = str_replace("[","\[",$key);
$key = str_replace("]","\]",$key);
$tokens = array();
$key_regexp = '%'.preg_replace('%\{([a-zA-Z0-9_]+)\}%', '(?P<$1>.*?)',$key).'%s';
if ($this->_debug) var_dump ($key_regexp);
preg_match_all($key_regexp,$article->text,$results);
if (!empty($results[0])) {
if ($this->_debug) var_dump ($results);
$search = array_merge($search, $results[0]);
foreach ($results as $k => $v) {
if (!is_numeric($k)) {
$tokens[] = $k;
}
}
for($i=0;$i< count($results[0]);$i++) {
// get the menu info
if (!$found_menuitem = $menu->getItem($results['menuitem'][$i])) {
JError::raiseWarning( '1' , 'Unable to fine menu item ' .$results['menuitem'][$i]. 'in rokdownload link');
continue;
}
if (!array_key_exists($results['downloaditem'][$i], $downloads)) {
JError::raiseWarning( '1' , 'Unable to fine download item ' . $results['downloaditem'][$i]. 'in rokdownload link');
continue;
}
$found_downloaditem = $downloads[$results['downloaditem'][$i]];
$found_direct_download = ($results['direct_download'][$i]== "true")? true: false;
$view = ($found_downloaditem->folder == true)? "folder" : "file";
$task = (!$found_downloaditem->folder && $found_direct_download)? "&task=download":"";
$uri =& JURI::getInstance();
$results['url'][$i] = $uri->toString( array('scheme', 'host', 'port')).JRoute::_("index.php?option=com_rokdownloads&view=" . $view . "&Itemid=". $found_menuitem->id . $task . "&id=" . $found_downloaditem->id);
$tokens[] = 'url';
$tmpval = $val;
foreach ($tokens as $token) {
$tmpval = str_replace("{".$token."}",$results[$token][$i],$tmpval);
}
$replace[] = $tmpval;
}
}
$article->text = str_replace($search,$replace,$article->text);
}
return '';
}
function _getDownloads() {
$downloads = array ();
$db = & JFactory :: getDBO();
$query = "SELECT node.id as id, node.name as name, node.displayname as displayname, node.path as path, node.folder as folder " .
"FROM #__rokdownloads AS node";
$db->setQuery($query);
$downloads = $db->loadObjectList("id");
foreach ( $downloads as $id => $download ) {
$download->alias = plgContentRokDownloads::_getDownloadsAlias($download->displayname);
$download->slug = $download->id + ":" + $download->alias;
}
return $downloads;
}
function _getDownloadsAlias($displayname) {
// Strip extension is there is one
$name = $displayname;
$ext = strrchr($name, '.');
if ($ext !== false) {
$name = substr($name, 0, -strlen($ext));
}
// lower case the name
$name = JString :: strtolower($name);
// Change spaces and periods to dashes
$name = JString :: str_ireplace(" ", "-", $name);
$name = JString :: str_ireplace(".", "-", $name);
return JFilterOutput::stringURLSafe($name);
}
function _readIniFile($path, $library) {
jimport( 'joomla.filesystem.file' );
$content = JFile::read($path);
$data = explode("\n",$content);
foreach ($data as $line) {
//skip comments
if (strpos($line,"#")!==0 and trim($line)!="" ) {
$div = strpos($line,"]=");
$library[substr($line,0,$div+1)] = substr($line,$div+2);
}
}
return $library;
}
}