/**
* 生成数字计算题验证码
*
* @param string $type
* @param int $width
* @param int $height
* @param string $font
* @param string $verifyName
*
* @return void
*/
public static function calocVerify($type = 'png', $width = 170, $height = 45, $font = 'tahoma.ttf', $verifyName = 'verifyCode')
{
$la = rand(0, 9);
$ba = rand(0, 9);
$randnum = rand(1, 3);
if ($randnum == 3) {
if ($la < $ba) {
$tmp = $la;
$la = $ba;
$ba = $tmp;
}
}
$randarr = array(1 => $la + $ba, 2 => $la * $ba, 3 => $la - $ba);
$randstr = $randarr[$randnum];
$randResult = array(1 => $la . '+' . $ba . '=?', 2 => $la . '*' . $ba . '=?', 3 => $la . '-' . $ba . '=?');
$randval = $randResult[$randnum];
$authKey = md5(mt_rand() . microtime());
\Cml\Http\Cookie::set($verifyName, $authKey);
\Cml\Model::getInstance()->cache()->set($authKey, $randstr);
//$width = ($length * 10 + 10) > $width ? $length * 10 + 10 : $width;
if ($type != 'gif' && function_exists('imagecreatetruecolor')) {
$im = imagecreatetruecolor($width, $height);
} else {
$im = imagecreate($width, $height);
}
$r = array(225, 255, 255, 223);
$g = array(225, 236, 237, 255);
$b = array(225, 236, 166, 125);
$key = mt_rand(0, 3);
$backColor = imagecolorallocate($im, $r[$key], $g[$key], $b[$key]);
//背景色（随机）
$borderColor = imagecolorallocate($im, 100, 100, 100);
//边框色
imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
imagerectangle($im, 0, 0, $width - 1, $height - 1, $borderColor);
$stringColor = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
// 干扰
for ($i = 0; $i < 10; $i++) {
imagearc($im, mt_rand(-10, $width), mt_rand(-10, $height), mt_rand(30, 300), mt_rand(20, 200), 55, 44, $stringColor);
}
for ($i = 0; $i < 25; $i++) {
imagesetpixel($im, mt_rand(0, $width), mt_rand(0, $height), $stringColor);
}
for ($i = 0; $i < 5; $i++) {
// imagestring($im, 5, $i * 10 + 5, mt_rand(1, 8), $randval{$i}, $stringColor);
$x = $i === 0 ? 20 : $i * 50;
$stringColor = imagecolorallocate($im, mt_rand(0, 200), mt_rand(0, 120), mt_rand(0, 120));
if ($i == 1 || $i == 3 || $i == 4) {
$fontSize = $randnum == 3 ? 50 : 28;
if ($i == 1) {
imagettftext($im, $fontSize, 0, $x, 35, $stringColor, CML_EXTEND_PATH . DIRECTORY_SEPARATOR . $font, $randval[$i]);
} else {
$decNum = $i == 3 ? 30 : 55;
imagettftext($im, 25, 0, $x - $decNum, 35, $stringColor, CML_EXTEND_PATH . DIRECTORY_SEPARATOR . $font, $randval[$i]);
}
} else {
imagettftext($im, 28, mt_rand(0, 60), $x, 35, $stringColor, CML_EXTEND_PATH . DIRECTORY_SEPARATOR . $font, $randval[$i]);
}
}
self::output($im, $type);
}
/**
* 保存当前登录用户的信息
*
* @param int $uid 用户id
* @param bool $sso 是否为单点登录，即踢除其它登录用户
*/
public static function setLoginStatus($uid, $sso = true)
{
$user = ['uid' => $uid, 'expire' => Cml::$nowTime + 3600, 'ssosign' => $sso ? (string) Cml::$nowMicroTime : self::$ssoSign];
//Cookie::set本身有一重加密 这里再加一重
$sso && Model::getInstance()->cache()->set("SSOSingleSignOn{$uid}", (string) Cml::$nowMicroTime);
Cookie::set(Config::get('userauthid'), Encry::encrypt(json_encode($user, JSON_UNESCAPED_UNICODE), self::$encryptKey), 0);
}
/**
* 设置用户登录Cookie
*
* @param int $uid 用户id
*/
public static function setLoginStatus($uid)
{
$user = array('uid' => $uid, 'expire' => Cml::$nowTime + 3600, 'ssosign' => (string) Cml::$nowMicroTime);
//Cookie::set本身有一重加密 这里再加一重
Model::getInstance()->cache()->set("SSOSingleSignOn{$uid}", (string) Cml::$nowMicroTime);
Cookie::set(Config::get('userauthid'), Encry::encrypt(json_encode($user, PHP_VERSION >= '5.4.0' ? JSON_UNESCAPED_UNICODE : 0), self::$encryptKey), 0);
}
