addon_info = $addon_info;
}
function before_module_proc()
{
if($this->addon_info->act_type == 'everytime' && $_SESSION['captcha_authed']) {
unset($_SESSION['captcha_authed']);
}
}
function before_module_init(&$ModuleHandler)
{
$logged_info = Context::get('logged_info');
if($logged_info->is_admin == 'Y' || $logged_info->is_site_admin) return false;
if($this->addon_info->target != 'all' && Context::get('is_logged')) return false;
$target_acts = array('procBoardInsertDocument','procBoardInsertComment','procIssuetrackerInsertIssue','procIssuetrackerInsertHistory','procTextyleInsertComment');
if($this->addon_info->apply_find_account=='apply') $target_acts[] = 'procMemberFindAccount';
if($this->addon_info->apply_resend_auth_mail=='apply') $target_acts[] = 'procMemberResendAuthMail';
if($this->addon_info->apply_signup=='apply') $target_acts[] = 'procMemberInsert';
if(Context::getRequestMethod()!='XMLRPC' && Context::getRequestMethod()!=='JSON')
{
Context::addHtmlHeader('');
Context::addJsFile('./addons/captcha/captcha.js',false, '', null, 'body');
}
// 게시판/ 이슈트래커의 글쓰기/댓글쓰기 액션 호출시 세션 비교
if(!$_SESSION['captcha_authed'] && in_array(Context::get('act'), $target_acts)) {
Context::loadLang('./addons/captcha/lang');
$ModuleHandler->error = "captcha_denied";
}
return true;
}
function before_module_init_setCaptchaSession()
{
if($_SESSION['captcha_authed']) return false;
// 언어파일 로드
Context::loadLang(_XE_PATH_.'addons/captcha/lang');
// 키워드 생성
$arr = range('A','Y');
shuffle($arr);
$arr = array_slice($arr,0,6);
$_SESSION['captcha_keyword'] = join('', $arr);
$target = Context::getLang('target_captcha');
header("Content-Type: text/xml; charset=UTF-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
printf("\r\n 0\r\n success\r\n \r\n \r\n \r\n \r\n \r\n "
,Context::getLang('about_captcha')
,Context::getLang('captcha_reload')
,Context::getLang('captcha_play')
,Context::getLang('cmd_input')
,Context::getLang('cmd_cancel')
);
Context::close();
exit();
}
function before_module_init_captchaImage()
{
if($_SESSION['captcha_authed']) return false;
$keyword = $_SESSION['captcha_keyword'];
$im = $this->createCaptchaImage($keyword);
header("Cache-Control: ");
header("Pragma: ");
header("Content-Type: image/png");
imagepng($im);
imagedestroy($im);
Context::close();
exit();
}
function createCaptchaImage($string)
{
$arr = array();
for($i=0,$c=strlen($string);$i<$c;$i++) $arr[] = $string{$i};
// 글자 하나 사이즈
$w = 18;
$h = 25;
// 글자 수
$c = count($arr);
// 글자 이미지
$im = array();
// 총사이즈로 바탕 이미지 생성
$im[] = imagecreate(($w+2)*count($arr), $h);
$deg = range(-30,30);
shuffle($deg);
// 글자별 이미지 생성
foreach($arr as $i => $str)
{
$im[$i+1] = @imagecreate($w, $h);
$background_color = imagecolorallocate($im[$i+1], 255, 255, 255);
$text_color = imagecolorallocate($im[$i+1], 0, 0, 0);
// 글자폰트(사이즈) 조절
$ran = range(1,20);
shuffle($ran);
if(function_exists('imagerotate'))
{
imagestring($im[$i+1], (array_pop($ran)%3)+3, 2, (array_pop($ran)%8), $str, $text_color);
$im[$i+1] = imagerotate($im[$i+1], array_pop($deg), 0);
$background_color = imagecolorallocate($im[$i+1], 255, 255, 255);
imagecolortransparent($im[$i+1], $background_color);
}
else
{
imagestring($im[$i+1], (array_pop($ran)%3)+3, 2, (array_pop($ran)%4), $str, $text_color);
}
}
// 각글자 이미지를 합침
for($i=1;$icreateCaptchaAudio($keyword);
header('Content-type: audio/mpeg');
header("Content-Disposition: attachment; filename=\"captcha_audio.mp3\"");
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Expires: Sun, 1 Jan 2000 12:00:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . 'GMT');
header('Content-Length: ' . strlen($data));
echo $data;
Context::close();
exit();
}
function createCaptchaAudio($string)
{
$data = '';
$_audio = './addons/captcha/audio/F_%s.mp3';
for($i=0,$c=strlen($string);$i<$c;$i++)
{
$_data = FileHandler::readFile(sprintf($_audio, $string{$i}));
$start = rand(5, 68); // 해더 4바이트, 데이터 영역 64바이트 정도 랜덤하게 시작
$datalen = strlen($_data) - $start - 256; // 마지막 unchanged 256 바이트
for($j=$start;$j<$datalen;$j+=64)
{
$ch = ord($_data{$j});
if($ch<9 || $ch>119) continue;
$_data{$j} = chr($ch+rand(-8,8));
}
$data .= $_data;
}
return $data;
}
function before_module_init_captchaCompare()
{
if($_SESSION['captcha_authed']) return false;
if(strtoupper($_SESSION['captcha_keyword']) == strtoupper(Context::get('secret_text'))) $_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();
}
}
$GLOBALS['__AddonCaptcha__'] = new AddonCaptcha;
$GLOBALS['__AddonCaptcha__']->setInfo($addon_info);
}
$oAddonCaptcha = &$GLOBALS['__AddonCaptcha__'];
if(method_exists(&$oAddonCaptcha, $called_position))
{
if(!call_user_func(array(&$oAddonCaptcha, $called_position), &$this)) return false;
}
$addon_act = Context::get('captcha_action');
if($addon_act && method_exists(&$oAddonCaptcha, $called_position.'_'.$addon_act))
{
if(!call_user_func(array(&$oAddonCaptcha, $called_position.'_'.$addon_act), &$this)) return false;
}
?>