Your IP : 216.73.216.41
<?php
/**
* @version 2.8.x
* @package K2
* @author JoomlaWorks http://www.joomlaworks.net
* @copyright Copyright (c) 2006 - 2017 JoomlaWorks Ltd. All rights reserved.
* @license GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
*/
// no direct access
defined('_JEXEC') or die;
class K2HelperUtilities
{
// Get user avatar
public static function getAvatar($userID, $email = NULL, $width = 50)
{
jimport('joomla.filesystem.folder');
jimport('joomla.application.component.model');
$application = JFactory::getApplication();
$params = K2HelperUtilities::getParams('com_k2');
// Check for placeholder overrides
if (JFile::exists(JPATH_SITE.'/templates/'.$application->getTemplate().'/images/placeholder/user.png'))
{
$avatarPath = 'templates/'.$application->getTemplate().'/images/placeholder/user.png';
}
else
{
$avatarPath = 'components/com_k2/images/placeholder/user.png';
}
// Continue with default K2 avatar determination
if ($userID == 'alias')
{
$avatar = JURI::root(true).'/'.$avatarPath;
}
else if ($userID == 0)
{
if ($params->get('gravatar') && !is_null($email))
{
$avatar = 'https://secure.gravatar.com/avatar/'.md5($email).'?s='.$width.'&default='.urlencode(JURI::root().$avatarPath);
}
else
{
$avatar = JURI::root(true).'/'.$avatarPath;
}
}
else if (is_numeric($userID) && $userID > 0)
{
K2Model::addIncludePath(JPATH_SITE.'/components/com_k2/models');
$model = K2Model::getInstance('Item', 'K2Model');
$profile = $model->getUserProfile($userID);
$avatar = (is_null($profile)) ? '' : $profile->image;
if (empty($avatar))
{
if ($params->get('gravatar') && !is_null($email))
{
$avatar = 'https://secure.gravatar.com/avatar/'.md5($email).'?s='.$width.'&default='.urlencode(JURI::root().$avatarPath);
}
else
{
$avatar = JURI::root(true).'/'.$avatarPath;
}
}
else
{
$avatar = JURI::root(true).'/media/k2/users/'.$avatar;
}
}
if (!$params->get('userImageDefault') && $avatar == JURI::root(true).'/'.$avatarPath)
{
$avatar = '';
}
return $avatar;
}
public static function getCategoryImage($image, $params)
{
jimport('joomla.filesystem.file');
$application = JFactory::getApplication();
$categoryImage = NULL;
if (!empty($image))
{
$categoryImage = JURI::root(true).'/media/k2/categories/'.$image;
}
else
{
if ($params->get('catImageDefault'))
{
if (JFile::exists(JPATH_SITE.'/templates/'.$application->getTemplate().'/images/placeholder/category.png'))
{
$categoryImage = JURI::root(true).'/templates/'.$application->getTemplate().'/images/placeholder/category.png';
}
else
{
$categoryImage = JURI::root(true).'/components/com_k2/images/placeholder/category.png';
}
}
}
return $categoryImage;
}
// Word limit
public static function wordLimit($str, $limit = 100, $end_char = '…')
{
if (JString::trim($str) == '')
return $str;
// always strip tags for text
$str = strip_tags($str);
$find = array("/\r|\n/u", "/\t/u", "/\s\s+/u");
$replace = array(" ", " ", " ");
$str = preg_replace($find, $replace, $str);
preg_match('/\s*(?:\S*\s*){'.(int)$limit.'}/u', $str, $matches);
if (JString::strlen($matches[0]) == JString::strlen($str))
$end_char = '';
return JString::rtrim($matches[0]).$end_char;
}
// Character limit
public static function characterLimit($str, $limit = 150, $end_char = '...')
{
if (JString::trim($str) == '')
return $str;
// always strip tags for text
$str = strip_tags(JString::trim($str));
$find = array("/\r|\n/u", "/\t/u", "/\s\s+/u");
$replace = array(" ", " ", " ");
$str = preg_replace($find, $replace, $str);
if (JString::strlen($str) > $limit)
{
$str = JString::substr($str, 0, $limit);
return JString::rtrim($str).$end_char;
}
else
{
return $str;
}
}
// Cleanup HTML entities
public static function cleanHtml($text)
{
return htmlentities($text, ENT_QUOTES, 'UTF-8');
}
// Gender
public static function writtenBy($gender)
{
if (is_null($gender))
return JText::_('K2_WRITTEN_BY');
if ($gender == 'm')
return JText::_('K2_WRITTEN_BY_MALE');
if ($gender == 'f')
return JText::_('K2_WRITTEN_BY_FEMALE');
}
public static function setDefaultImage(&$item, $view, $params = NULL)
{
if ($view == 'item')
{
$image = 'image'.$item->params->get('itemImgSize');
$item->image = $item->$image;
switch ($item->params->get('itemImgSize'))
{
case 'XSmall' :
$item->imageWidth = $item->params->get('itemImageXS');
break;
case 'Small' :
$item->imageWidth = $item->params->get('itemImageS');
break;
case 'Medium' :
$item->imageWidth = $item->params->get('itemImageM');
break;
case 'Large' :
$item->imageWidth = $item->params->get('itemImageL');
break;
case 'XLarge' :
$item->imageWidth = $item->params->get('itemImageXL');
break;
}
}
if ($view == 'itemlist')
{
$image = 'image'.$params->get($item->itemGroup.'ImgSize');
$item->image = isset($item->$image) ? $item->$image : '';
switch ($params->get($item->itemGroup.'ImgSize'))
{
case 'XSmall' :
$item->imageWidth = $item->params->get('itemImageXS');
break;
case 'Small' :
$item->imageWidth = $item->params->get('itemImageS');
break;
case 'Medium' :
$item->imageWidth = $item->params->get('itemImageM');
break;
case 'Large' :
$item->imageWidth = $item->params->get('itemImageL');
break;
case 'XLarge' :
$item->imageWidth = $item->params->get('itemImageXL');
break;
}
}
if ($view == 'latest')
{
$image = 'image'.$params->get('latestItemImageSize');
$item->image = $item->$image;
switch ($params->get('latestItemImageSize'))
{
case 'XSmall' :
$item->imageWidth = $item->params->get('itemImageXS');
break;
case 'Small' :
$item->imageWidth = $item->params->get('itemImageS');
break;
case 'Medium' :
$item->imageWidth = $item->params->get('itemImageM');
break;
case 'Large' :
$item->imageWidth = $item->params->get('itemImageL');
break;
case 'XLarge' :
$item->imageWidth = $item->params->get('itemImageXL');
break;
}
}
if ($view == 'relatedByTag' && $params->get('itemRelatedImageSize'))
{
$image = 'image'.$params->get('itemRelatedImageSize');
$item->image = $item->$image;
switch ($params->get('itemRelatedImageSize'))
{
case 'XSmall' :
$item->imageWidth = $item->params->get('itemImageXS');
break;
case 'Small' :
$item->imageWidth = $item->params->get('itemImageS');
break;
case 'Medium' :
$item->imageWidth = $item->params->get('itemImageM');
break;
case 'Large' :
$item->imageWidth = $item->params->get('itemImageL');
break;
case 'XLarge' :
$item->imageWidth = $item->params->get('itemImageXL');
break;
}
}
}
public static function getParams($option)
{
if (K2_JVERSION != '15')
{
$application = JFactory::getApplication();
if ($application->isSite())
{
$params = $application->getParams($option);
}
else
{
$params = JComponentHelper::getParams($option);
}
}
else
{
$params = JComponentHelper::getParams($option);
}
return $params;
}
public static function cleanTags($string, $allowed_tags)
{
$allowed_htmltags = array();
foreach ($allowed_tags as $tag)
{
$allowed_htmltags[] .= "<".$tag.">";
}
$allowed_htmltags = implode("", $allowed_htmltags);
$string = strip_tags($string, $allowed_htmltags);
return $string;
}
// Clean HTML Tag Attributes
// e.g. cleanupAttributes($string,"img,hr,h1,h2,h3,h4","style,width,height,hspace,vspace,border,class,id");
public static function cleanAttributes($string, $tag_array, $attr_array)
{
$attr = implode("|", $attr_array);
foreach ($tag_array as $tag)
{
preg_match_all("#<($tag) .+?>#", $string, $matches, PREG_PATTERN_ORDER);
foreach ($matches[0] as $match)
{
preg_match_all('/('.$attr.')=([\\"\\\']).+?([\\"\\\'])/', $match, $matchesAttr, PREG_PATTERN_ORDER);
foreach ($matchesAttr[0] as $attrToClean)
{
$string = str_replace($attrToClean, '', $string);
$string = preg_replace('| +|', ' ', $string);
$string = str_replace(' >', '>', $string);
}
}
}
return $string;
}
public static function verifyRecaptcha()
{
$params = JComponentHelper::getParams('com_k2');
$vars = array();
$vars['secret'] = $params->get('recaptcha_private_key');
$vars['response'] = $_POST['g-recaptcha-response'];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($vars, '', '&'));
$result = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);
$response = json_decode($result);
if($result && $info['http_code'] == 200 && is_object($response) && isset($response->success) && $response->success == true)
{
return true;
}
else
{
return false;
}
}
}