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<?php
/**
* @author ThemePunch <info@themepunch.com>
* @link http://www.themepunch.com/
* @copyright 2015 ThemePunch
*/
if( !defined( 'ABSPATH') ) exit();
class RevSliderUpdate {
private $plugin_url = 'http://codecanyon.net/item/slider-revolution-responsive-wordpress-plugin/2751380';
private $remote_url = 'http://updates.themepunch.tools/check_for_updates.php';
private $remote_url_info = 'http://updates.themepunch.tools/revslider/revslider.php';
private $plugin_slug = 'revslider';
private $plugin_path = 'revslider/revslider.php';
private $version;
private $plugins;
private $option;
public function __construct($version) {
$this->option = $this->plugin_slug . '_update_info';
$this->_retrieve_version_info();
$this->version = $version;
}
public function add_update_checks(){
add_filter('pre_set_site_transient_update_plugins', array(&$this, 'set_update_transient'));
add_filter('plugins_api', array(&$this, 'set_updates_api_results'), 10, 3);
}
public function set_update_transient($transient) {
$this->_check_updates();
if(!isset($transient->response)) {
$transient->response = array();
}
if(!empty($this->data->basic) && is_object($this->data->basic)) {
if(version_compare($this->version, $this->data->basic->version, '<')) {
$this->data->basic->new_version = $this->data->basic->version;
$transient->response[$this->plugin_path] = $this->data->basic;
}
}
return $transient;
}
public function set_updates_api_results($result, $action, $args) {
$this->_check_updates();
if(isset($args->slug) && $args->slug == $this->plugin_slug && $action == 'plugin_information') {
if(is_object($this->data->full) && !empty($this->data->full)) {
$result = $this->data->full;
}
}
return $result;
}
protected function _check_updates() {
//reset saved options
//update_option($this->option, false);
$force_check = false;
if(isset($_GET['checkforupdates']) && $_GET['checkforupdates'] == 'true') $force_check = true;
// Get data
if(empty($this->data)) {
$data = get_option($this->option, false);
$data = $data ? $data : new stdClass;
$this->data = is_object($data) ? $data : maybe_unserialize($data);
}
$last_check = get_option('revslider-update-check');
if($last_check == false){ //first time called
$last_check = time();
update_option('revslider-update-check', $last_check);
}
// Check for updates
if(time() - $last_check > 172800 || $force_check == true){
$data = $this->_retrieve_update_info();
if(isset($data->basic)) {
update_option('revslider-update-check', time());
$this->data->checked = time();
$this->data->basic = $data->basic;
$this->data->full = $data->full;
update_option('revslider-stable-version', $data->full->stable);
update_option('revslider-latest-version', $data->full->version);
}
}
// Save results
update_option($this->option, $this->data);
}
public function _retrieve_update_info() {
global $wp_version;
$data = new stdClass;
// Build request
$api_key = get_option('revslider-api-key', '');
$username = get_option('revslider-username', '');
$code = get_option('revslider-code', '');
$validated = get_option('revslider-valid', 'false');
$stable_version = get_option('revslider-stable-version', '4.2');
$rattr = array(
'api' => urlencode($api_key),
'username' => urlencode($username),
'code' => urlencode($code),
'version' => urlencode(RevSliderGlobals::SLIDER_REVISION)
);
if($validated !== 'true' && version_compare(RevSliderGlobals::SLIDER_REVISION, $stable_version, '<')){ //We'll get the last stable only now!
$rattr['get_stable'] = 'true';
}
$request = wp_remote_post($this->remote_url_info, array(
'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'),
'body' => $rattr
));
if(!is_wp_error($request)) {
if($response = maybe_unserialize($request['body'])) {
if(is_object($response)) {
$data = $response;
$data->basic->url = $this->plugin_url;
$data->full->url = $this->plugin_url;
$data->full->external = 1;
}
}
}
return $data;
}
public function _retrieve_version_info($force_check = false) {
global $wp_version;
$last_check = get_option('revslider-update-check-short');
if($last_check == false){ //first time called
$last_check = time();
update_option('revslider-update-check-short', $last_check);
}
// Check for updates
if(time() - $last_check > 172800 || $force_check == true){
update_option('revslider-update-check-short', time());
$response = wp_remote_post($this->remote_url, array(
'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'),
'body' => array(
'item' => urlencode('revslider'),
'version' => urlencode(RevSliderGlobals::SLIDER_REVISION)
)
));
$response_code = wp_remote_retrieve_response_code( $response );
$version_info = wp_remote_retrieve_body( $response );
if ( $response_code != 200 || is_wp_error( $version_info ) ) {
update_option('revslider-connection', false);
return false;
}else{
update_option('revslider-connection', true);
}
$version_info = json_decode($version_info);
if(isset($version_info->version)){
update_option('revslider-latest-version', $version_info->version);
}
if(isset($version_info->stable)){
update_option('revslider-stable-version', $version_info->stable);
}
if(isset($version_info->notices)){
update_option('revslider-notices', $version_info->notices);
}
}
if($force_check == true){ //force that the update will be directly searched
update_option('revslider-update-check', '');
}
}
}
/**
* old classname extends new one (old classnames will be obsolete soon)
* @since: 5.0
**/
class UniteUpdateClassRev extends RevSliderUpdate {}
?>