a-blog cms : facebook debugger

FBDebugger.php

<?php
/**
 * php/ACMS/User/POST/FBDebugger.php
 *
 * テンプレート上では、標準のPOSTモジュールと同様に、
 * <input type="submit" name="ACMS_POST_FBDebugger" value="Clear FB Cache"> で呼び出されます。
 */
class ACMS_User_POST_FBDebugger extends ACMS_POST
{
    protected $endpoint = "https://graph.facebook.com/?scrape=true&id=%s";

    /**
     * run
     *
     * @return ACMS_POST
     */
    public function post()
    {
        if ( !sessionWithAdministration() ) return false;
        $url = sprintf($this->endpoint, rawurlencode(HTTP_REQUEST_URL));
        $this->request($url);
        
        return $this->Post;
    }

    /**
     * post request
     *
     * @param string $url
     * @return void
     */
    protected function request($url)
    {
        include_once 'HTTP/Request.php';
        $req  = new HTTP_Request($url);
        $req->setMethod(HTTP_REQUEST_METHOD_POST);
        $req->addHeader('Content-Type', 'application/x-www-form-urlencoded');

        if ( $req->sendRequest() ) {
            $body = $req->getResponseBody();
        } else {
            userErrorLog('ACMS Warning: Failed clear fb cache.');
            die503('Failed clear fb cache.');
        }
    }
}