/** * 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); }