act_type == 'everytime' && $_SESSION['captcha_authed']) {
unset($_SESSION['captcha_authed']);
// before_module_init 일때에 captcha 동작
} else if($called_position == 'before_module_init') {
$logged_info = Context::get('logged_info');
if($logged_info->is_admin == 'Y' || $logged_info->is_site_admin) return;
if($addon_info->target != 'all' && Context::get('is_logged')) return;
// 캡챠 인증이 되지 않은 세션이면 실행 시작
if(!$_SESSION['captcha_authed']) {
// 언어파일 로드
Context::loadLang(_XE_PATH_.'addons/captcha/lang');
// 캡챠 세션 세팅
if(Context::get('act')=='setCaptchaSession') {
$f = FileHandler::readDir('./addons/captcha/icon');
shuffle($f);
$key = rand(0,count($f)-1);
$keyword = str_replace('.gif','',$f[$key]);
$_SESSION['captcha_keyword'] = $keyword;
$target = Context::getLang('target_captcha');
header("Content-Type: text/xml; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
printf("\r\n0\r\nsuccess\r\n\r\n\r\n",Context::getLang('about_captcha'),$target[$keyword]);
Context::close();
exit();
// 캡챠 이미지 출력
} else if(Context::get('act')=='captchaImage') {
$f = FileHandler::readDir('./addons/captcha/icon');
shuffle($f);
$keyword = $_SESSION['captcha_keyword'];
for($key=0,$c=count($f);$key<$c;$key++) {
if($keyword.".gif" == $f[$key]) break;
}
// 이미지 만들기
$thumb = imagecreatetruecolor(250,100);
for($i=0,$c=count($f);$i<$c;$i++) {
$x = ($i%5)*50;
$y = $i>4?0:50;
imagedestroy($dummy);
$dummy = imagecreatefromgif('./addons/captcha/icon/'.$f[$i]);
imagecopyresampled($thumb, $dummy, $x, $y, 0, 0, 50, 50, 50, 50);
if($i==$key) {
$_SESSION['captcha_x'] = $x;
$_SESSION['captcha_y'] = $y;
}
}
imagedestroy($dummy);
header("Cache-Control: ");
header("Pragma: ");
header("Content-Type: image/png");
imagepng($thumb, null,9);
imagedestroy($thumb);
Context::close();
exit();
// 캡챠 이미지 점검
} else if(Context::get('act')=='captchaCompare') {
$x = Context::get('mx');
$y = Context::get('my');
$sx = $_SESSION['captcha_x'];
$sy = $_SESSION['captcha_y'];
if($x>=$sx && $x<=$sx+50 && $y>=$sy && $y<=$sy+50) $_SESSION['captcha_authed'] = true;
else $_SESSION['captcha_authed'] = false;
header("Content-Type: text/xml; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
print("\r\n0\r\nsuccess\r\n");
Context::close();
exit();
}
Context::addJsFile('./addons/captcha/captcha.js',false);
// 게시판/ 이슈트래커의 글쓰기/댓글쓰기 액션 호출시 세션 비교
if(in_array(Context::get('act'), array('procBoardInsertDocument','procBoardInsertComment','procIssuetrackerInsertIssue','procIssuetrackerInsertHistory'))) {
$this->error = "msg_not_permitted";
}
}
}
?>