<?php
/*
WPUpdates Plugin Updater Class
http://wp-updates.com
v2.0
Example Usage:
require_once('wp-updates-plugin.php');
new WPUpdatesPluginUpdater_615( 'http://wp-updates.com/api/2/plugin', plugin_basename(__FILE__) );
*/
if( !class_exists('WPUpdatesPluginUpdater_615') ) {
class WPUpdatesPluginUpdater_615 {
var $api_url;
var $plugin_id = 615;
var $plugin_path;
var $plugin_slug;
var $license_key;
function __construct( $api_url, $plugin_path, $license_key = null ) {
$this->api_url = $api_url;
$this->plugin_path = $plugin_path;
$this->license_key = $license_key;
if(strstr($plugin_path, '/')) list ($t1, $t2) = explode('/', $plugin_path);
else $t2 = $plugin_path;
$this->plugin_slug = str_replace('.php', '', $t2);
add_filter( 'pre_set_site_transient_update_plugins', array(&$this, 'check_for_update') );
add_filter( 'plugins_api', array(&$this, 'plugin_api_call'), 10, 3 );
// This is for testing only!
//set_site_transient( 'update_plugins', null );
// Show which variables are being requested when query plugin API
//add_filter( 'plugins_api_result', array(&$this, 'debug_result'), 10, 3 );
}
function check_for_update( $transient ) {
if(empty($transient->checked)) return $transient;
$request_args = array(
'id' => $this->plugin_id,
'slug' => $this->plugin_slug,
'version' => $transient->checked[$this->plugin_path]
);
if ($this->license_key) $request_args['license'] = $this->license_key;
$request_string = $this->prepare_request( 'update_check', $request_args );
$raw_response = wp_remote_post( $this->api_url, $request_string );
$response = null;
if( !is_wp_error($raw_response) && ($raw_response['response']['code'] == 200) )
$response = unserialize($raw_response['body']);
if( is_object($response) && !empty($response) ) {
// Feed the update data into WP updater
$transient->response[$this->plugin_path] = $response;
return $transient;
}
// Check to make sure there is not a similarly named plugin in the wordpress.org repository
if ( isset( $transient->response[$this->plugin_path] ) ) {
if ( strpos( $transient->response[$this->plugin_path]->package, 'wordpress.org' ) !== false ) {
unset($transient->response[$this->plugin_path]);
}
}
return $transient;
}
function plugin_api_call( $def, $action, $args ) {
if( !isset($args->slug) || $args->slug != $this->plugin_slug ) return $def;
$plugin_info = get_site_transient('update_plugins');
$request_args = array(
'id' => $this->plugin_id,
'slug' => $this->plugin_slug,
'version' => (isset($plugin_info->checked)) ? $plugin_info->checked[$this->plugin_path] : 0 // Current version
);
$request_string = $this->prepare_request( $action, $request_args );
$raw_response = wp_remote_post( $this->api_url, $request_string );
if( is_wp_error($raw_response) ){
$res = new WP_Error('plugins_api_failed', __('An Unexpected HTTP Error occurred during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $raw_response->get_error_message());
} else {
$res = unserialize($raw_response['body']);
if ($res === false)
$res = new WP_Error('plugins_api_failed', __('An unknown error occurred'), $raw_response['body']);
}
return $res;
}
function prepare_request( $action, $args ) {
global $wp_version;
return array(
'body' => array(
'action' => $action,
'request' => serialize($args),
'api-key' => md5(home_url())
),
'user-agent' => 'WordPress/'. $wp_version .'; '. home_url()
);
}
function debug_result( $res, $action, $args ) {
echo '<pre>'.print_r($res,true).'</pre>';
return $res;
}
}
}
?>