Processwire Facebook Login Module permission mod.

gistfile1.txt

// previous code
...

	public function execute() {
		$app_id = $this->facebookAppId;
		$app_secret = $this->facebookAppSecret;
		$my_url = $this->page->httpUrl;
		$permissions= 'read_friendlists, publish_actions, publish_stream';  // ADDED THIS LINE TO ADD PERMISSIONS

		//session_start();
		$code = $_REQUEST["code"];

		if(empty($code)) {
			$_SESSION['state'] = md5(uniqid(rand(), TRUE)); //CSRF protection
			$dialog_url = "http://www.facebook.com/dialog/oauth?client_id="
				. $app_id . "&redirect_uri=" . urlencode($my_url) . "&state="
				. $_SESSION['state'] . "&scope=" . $permissions;                // CHAININ PERMISSIONS HERE
				
...

// code continues