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<?php
/*
Provides an easy to use interface for communicating with the iThemes updater server.
Written by Chris Jean for iThemes.com
Version 1.0.2
Version History
1.0.0 - 2013-04-11 - Chris Jean
Release ready
1.0.1 - 2013-06-21 - Chris Jean
Updated the http_build_query call to force a separator of & in order to avoid issues with servers that change the arg_separator.output php.ini value.
1.0.2 - 2013-09-19 - Chris Jean
Updated ithemes-updater-object to ithemes-updater-settings.
*/
class Ithemes_Updater_Server {
private static $secure_server_url = 'https://api.ithemes.com/updater';
private static $insecure_server_url = 'http://api.ithemes.com/updater';
private static $password_iterations = 8;
public static function activate_package( $username, $password, $packages ) {
$query = array(
'user' => $username
);
$data = array(
'auth_token' => self::get_password_hash( $username, $password ),
'packages' => $packages,
);
return Ithemes_Updater_Server::request( 'package-activate', $query, $data );
}
public static function deactivate_package( $username, $password, $packages ) {
$query = array(
'user' => $username
);
$data = array(
'auth_token' => self::get_password_hash( $username, $password ),
'packages' => $packages,
);
return Ithemes_Updater_Server::request( 'package-deactivate', $query, $data );
}
public static function get_package_details( $packages ) {
$query = array();
$data = array(
'packages' => $packages
);
return Ithemes_Updater_Server::request( 'package-details', $query, $data );
}
public static function request( $action, $query = array(), $data = array() ) {
if ( isset( $data['auth_token'] ) )
$data['iterations'] = self::$password_iterations;
$default_query = array(
'wp' => $GLOBALS['wp_version'],
'site' => get_bloginfo( 'url' ),
'timestamp' => time(),
);
if ( is_multisite() )
$default_query['ms'] = 1;
$query = array_merge( $default_query, $query );
$request = "/$action/?" . http_build_query( $query, '', '&' );
$post_data = array(
'request' => json_encode( $data ),
);
$remote_post_args = array(
'timeout' => 10,
'body' => $post_data,
);
$options = array(
'use_ca_patch' => false,
'use_ssl' => true,
);
$patch_enabled = $GLOBALS['ithemes-updater-settings']->get_option( 'use_ca_patch' );
if ( $patch_enabled )
$GLOBALS['ithemes-updater-settings']->disable_ssl_ca_patch();
$response = wp_remote_post( self::$secure_server_url . $request, $remote_post_args );
if ( is_wp_error( $response ) ) {
$GLOBALS['ithemes-updater-settings']->enable_ssl_ca_patch();
$response = wp_remote_post( self::$secure_server_url . $request, $remote_post_args );
if ( ! is_wp_error( $response ) )
$options['use_ca_patch'] = true;
}
if ( is_wp_error( $response ) ) {
$response = wp_remote_post( self::$insecure_server_url . $request, $remote_post_args );
$options['use_ssl'] = false;
}
if ( ! $options['use_ca_patch'] )
$GLOBALS['ithemes-updater-settings']->disable_ssl_ca_patch();
$GLOBALS['ithemes-updater-settings']->update_options( $options );
if ( is_wp_error( $response ) )
return $response;
$body = json_decode( $response['body'], true );
if ( ! empty( $body['error'] ) )
return new WP_Error( $body['error']['type'], sprintf( __( 'An error occurred when communicating with the iThemes update server: %s (%s)', 'it-l10n-backupbuddy' ), $body['error']['message'], $body['error']['code'] ) );
return $body;
}
private static function get_password_hash( $username, $password ) {
require_once( ABSPATH . 'wp-includes/class-phpass.php');
$salted_password = $password . $username . get_bloginfo( 'url' ) . $GLOBALS['wp_version'];
$salted_password = substr( $salted_password, 0, max( strlen( $password ), 72 ) );
$wp_hasher = new PasswordHash( self::$password_iterations, true );
return $wp_hasher->HashPassword( $salted_password );
}
}
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