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<?php
/**
* WPBakery Visual Composer updater
*
* @package WPBakeryVisualComposer
*
*/
/**
* Vc updating manager.
*/
class Vc_Updater {
/**
* @var string
*/
protected $version_url = 'http://wpbakery.com/version/?';
/**
* @var string
*/
public $title = 'WPBakery Visual Composer';
/**
* @var bool
*/
protected $auto_updater = false;
/**
* @var bool
*/
protected $upgrade_manager = false;
/**
* @var bool
*/
protected $iframe = false;
/**
*
*/
public function init() {
add_filter( 'upgrader_pre_download', array( $this, 'upgradeFilterFromEnvato' ), 10, 4 );
add_action( 'upgrader_process_complete', array( $this, 'removeTemporaryDir' ) );
}
/**
* Setter for manager updater.
*
* @param Vc_Updating_Manager $updater
*/
public function setUpdateManager( Vc_Updating_Manager $updater ) {
$this->auto_updater = $updater;
}
/**
* Getter for manager updater.
*
* @return Vc_Updating_Manager
*/
public function updateManager() {
return $this->auto_updater;
}
/**
* Get url for version validation
* @return string
*/
public function versionUrl() {
return $this->version_url . time();
}
/**
* Downloads new VC from Envato marketplace and unzips into temporary directory.
*
* @param $reply
* @param $package
* @param $updater
*
* @return mixed|string|WP_Error
*/
public function upgradeFilterFromEnvato( $reply, $package, $updater ) {
global $wp_filesystem;
if ( ( isset( $updater->skin->plugin ) && $updater->skin->plugin === vc_plugin_name() ) ||
( isset( $updater->skin->plugin_info ) && $updater->skin->plugin_info['Name'] === $this->title )
) {
$updater->strings['download_envato'] = __( 'Downloading package from envato market...', 'js_composer' );
$updater->skin->feedback( 'download_envato' );
$package_filename = 'js_composer.zip';
$res = $updater->fs_connect( array( WP_CONTENT_DIR ) );
if ( ! $res ) {
return new WP_Error( 'no_credentials', __( "Error! Can't connect to filesystem", 'js_composer' ) );
}
$username = vc_settings()->get( 'envato_username' );
$api_key = vc_settings()->get( 'envato_api_key' );
$purchase_code = vc_settings()->get( 'js_composer_purchase_code' );
if ( ! vc_license()->isActivated() || empty( $username ) || empty( $api_key ) || empty( $purchase_code ) ) {
return new WP_Error( 'no_credentials', __( 'To receive automatic updates license activation is required. Please visit <a href="' . admin_url( 'admin.php?page=vc-updater' ) . '' . '" target="_blank">Settings</a> to activate your Visual Composer.', 'js_composer' ) );
}
$json = wp_remote_get( $this->envatoDownloadPurchaseUrl( $username, $api_key, $purchase_code ) );
$result = json_decode( $json['body'], true );
if ( ! isset( $result['download-purchase']['download_url'] ) ) {
return new WP_Error( 'no_credentials', __( 'Error! Envato API error', 'js_composer' ) . ( isset( $result['error'] ) ? ': ' . $result['error'] : '.' ) );
}
$result['download-purchase']['download_url'];
$download_file = download_url( $result['download-purchase']['download_url'] );
if ( is_wp_error( $download_file ) ) {
return $download_file;
}
$upgrade_folder = $wp_filesystem->wp_content_dir() . 'uploads/js_composer_envato_package';
if ( is_dir( $upgrade_folder ) ) {
$wp_filesystem->delete( $upgrade_folder );
}
$result = unzip_file( $download_file, $upgrade_folder );
if ( $result && is_file( $upgrade_folder . '/' . $package_filename ) ) {
return $upgrade_folder . '/' . $package_filename;
}
return new WP_Error( 'no_credentials', __( 'Error on unzipping package', 'js_composer' ) );
}
return $reply;
}
/**
*
*/
public function removeTemporaryDir() {
global $wp_filesystem;
if ( is_dir( $wp_filesystem->wp_content_dir() . 'uploads/js_composer_envato_package' ) ) {
$wp_filesystem->delete( $wp_filesystem->wp_content_dir() . 'uploads/js_composer_envato_package', true );
}
}
/**
* @param $username
* @param $api_key
* @param $purchase_code
*
* @return string
*/
protected function envatoDownloadPurchaseUrl( $username, $api_key, $purchase_code ) {
return 'http://marketplace.envato.com/api/edge/' . rawurlencode( $username ) . '/' . rawurlencode( $api_key ) . '/download-purchase:' . rawurlencode( $purchase_code ) . '.json';
}
}