source: trunk/xpressme_integration_kit/wp-content/plugins/xpressme/include/xpress_upgrade.php @ 442

<?php
function upgrade_page()
{
        global $xoops_config,$xpress_config;
        
        $xpress_version = $xoops_config->module_version . $xoops_config->module_codename;
        $check_url = "http://ja1.xpressme.info/version_check/?version=$xpress_version";

        echo    '<div class="wrap">'."\n";
        echo            '<div id="icon-options-general" class="icon32"><br /></div>'."\n";
        echo            '<h2>' . __('XPressME Upgrade', 'xpressme') . "</h2><br>\n";
        
        if(get_xpress_latest_version()){
                $latest = get_option('xpressme_latest_version');
                if ($latest) {
                        $site_url=$latest['url'];
                        $package=$latest['package'];
                        $latest_version=$latest['latest_version'];
                        $check_time=$latest['check_time'];
                }


                if (version_compare($xpress_version, $latest_version, '>')){
                                echo '<h3 class="response">';
                                printf(__('You are using a XPressME Integration Kit development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.', 'xpressme') , $xpress_version , $site_url);
                                echo '</h3>';

                } else if (version_compare($xpress_version, $latest_version, '<')) {
                        echo    '<h3 class="response">'. __('There is a new version of XPressME Integration Kit available for upgrade', 'xpressme') . '</h3>';
                        echo '<p>';
        //              printf(__('You can upgrade to version %s automatically or download the package and install it manually:'),$latest_version);
                        printf(__('You can upgrade to version %s download the package and install it manually:', 'xpressme'),$latest_version);
                        echo '</p>';
                        echo '<a class="button" href="' . $package . '">';
                        printf(__('Download %s', 'xpressme') , $latest_version);
                        echo '</a>';
                } else {
                        echo    '<h3 class="response">'. __('You have the latest version of XPressME Integration Kit. You do not need to upgrade', 'xpressme') . '</h3>';
                }
        } else {
                echo '<h3 class="response">';
                printf(__('There is no response from <a href="%s">version check API</a> now. sorry, please confirm it after.', 'xpressme'),$check_url);
                echo    "</div>\n";
        }
}

function xp_remote_get($url, $headers = ""){
        global $xoops_config;
        $xpress_version = $xoops_config->module_version . $xoops_config->module_codename;

        require_once( $xoops_config->module_path . '/wp-includes/class-snoopy.php');

        // Snoopy is an HTTP client in PHP
        $client = new Snoopy();
        $client->agent = 'XPressME/' . $xpress_version;
        $client->read_timeout = 2;
        if (is_array($headers) ) {
                $client->rawheaders = $headers;
        }

        @$client->fetch($url);
        $response['response']['code'] = $client->status;
        $response['body'] = $client->results;
        return $response;
        return $client;

}

function get_xpress_latest_version(){
        global $wp_version, $wpdb, $wp_local_package;
        global $xoops_config;
        
        $xpress_version = $xoops_config->module_version . $xoops_config->module_codename;
        $lang = WPLANG;

        $check_url = "http://ja.xpressme.info/version_check/index2.php?version=$xpress_version?lang=$lang";
        $request_options = array(
        'timeout' => 3,
        'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
        );

        if (! function_exists('wp_remote_get')) {
                $response = xp_remote_get($check_url);
                
                if (empty($response['body'])) return false;
        } else {
        
                $response = wp_remote_get($check_url, $request_options);
                
                if ( is_wp_error( $response ) )
                        return false;
        }
        if ( 200 != $response['response']['code'] )
                return false;
        $body = trim( $response['body'] );
        $body = str_replace(array("\r\n", "\r"), "\n", $body);
        $returns = explode("\n", $body);
        if ( isset( $returns[0] ) ) $response = $returns[0]; else $response = '';
        if ( isset( $returns[1] ) ) $url = clean_url( $returns[1] ); else $url = '';
        if ( isset( $returns[2] ) ) $package = clean_url( $returns[2] ); else $package = '';
        if ( isset( $returns[3] ) ) $latest_version = $returns[3]; else  $latest_version = '';
        if ( isset( $returns[4] ) ) $before_version = $returns[4]; else $before_version = '';
        
        // diff 
        if ( isset( $returns[5] ) ) $diff_response = $returns[5]; else $diff_response = '';
        if ( isset( $returns[6] ) ) $diff_url = clean_url( $returns[6] ); else $diff_url = '';
        if ( isset( $returns[7] ) ) $diff_package = clean_url( $returns[7] ); else $diff_package = '';
        if ( isset( $returns[8] ) ) $diff_latest_version = $returns[8]; else  $diff_latest_version = '';
        if ( isset( $returns[9] ) ) $diff_before_version = $returns[9]; else $diff_before_version = '';

        // developer 
        if ( isset( $returns[10] ) ) $develop_response = $returns[10]; else $develop_response = '';
        if ( isset( $returns[11] ) ) $develop_url = clean_url( $returns[11] ); else $develop_url = '';
        if ( isset( $returns[12] ) ) $develop_package = clean_url( $returns[12] ); else $develop_package = '';
        if ( isset( $returns[13] ) ) $develop_latest_version = $returns[13]; else  $develop_latest_version = '';
        if ( isset( $returns[14] ) ) $develop_before_version = $returns[14]; else $develop_before_version = '';

        $write_options = array (
                'response' => $response ,
                'url' => $url ,
                'package' => $package ,
                'latest_version' => $latest_version ,
                'before_version' => $before_version ,
                'diff_response' => $diff_response ,
                'diff_url' => $diff_url ,
                'diff_package' => $diff_package ,
                'diff_latest_version' => $diff_latest_version ,
                'diff_before_version' => $diff_before_version ,
                'develop_response' => $develop_response ,
                'develop_url' => $develop_url ,
                'develop_package' => $develop_package ,
                'develop_latest_version' => $develop_latest_version ,
                'develop_before_version' => $develop_before_version ,
                'check_time' => time()
        );
        
        $latest_version = get_option('xpressme_latest_version');
        if (!$latest_version) {
                add_option('xpressme_latest_version', $write_options);
        } else {
                update_option('xpressme_latest_version', $write_options);
        }
        return true;
}

function xpress_update_check() {
        if ( defined('WP_INSTALLING') )
                return;
        global $pagenow;

        $php_query_string = $_SERVER['QUERY_STRING'];

        if ( 'admin.php' == $pagenow && 'page=upgrade_page' == $php_query_string)
                return;

        global $wp_version, $wpdb, $wp_local_package;
        global $xoops_config;

        $php_query_string = $_SERVER['QUERY_STRING'];
        $xpress_version = $xoops_config->module_version . $xoops_config->module_codename;

        $latest = get_option('xpressme_latest_version');
        if (!$latest ) {
                get_xpress_latest_version();
                $latest = get_option('xpressme_latest_version');
        }

        if ($latest) {
                $next_check = $latest['check_time'] + (60*60*24);
                $now_time = time();
                if ($next_check < $now_time ){
                        get_xpress_latest_version();
                        $latest = get_option('xpressme_latest_version');
                }
        }

        if ($latest) {
                $url=$latest['url'];
                $package=$latest['package'];
                $latest_version=$latest['latest_version'];
                $check_time=$latest['check_time'];
                $upgrade_page = $xoops_config->module_url . "/wp-admin/admin.php?page=upgrade_page";

                if (version_compare($xpress_version, $latest_version, '<')) {
                        if ( current_user_can('manage_options') ){
                                $msg = sprintf( __('XPressME Integration Kit Version %1$s is available! <a href="%2$s">Please update now</a>.', 'xpressme'), $latest_version, $upgrade_page );
                        } else {
                                $msg = sprintf( __('XPressME Integration Kit Version %1$s is available! Please notify the site administrator.', 'xpressme'), $latest_version );
                        }
                        echo "<div id='update-nag'>$msg </div>";
                }
        }
}
?>