<?php

// 公共助手函数

use think\exception\HttpResponseException;
use think\Response;
use think\Db;

if (!function_exists('saveUserMessage')) {
    /**
     * 保存消息
     * @param $data
     */
    function saveUserMessage($data)
    {
        $messageModel = new \app\common\model\MessageModel();
        $messageModel->insert($data);
    }
}

if (!function_exists('handleSource')) {
    /**
     * 来源转换
     * @param $source
     * @return string
     */
    function handleSource($source)
    {
        $name = '';

        switch ($source) {
            case 'wxMiniProgram' :
                $name = 'minapp';
                break;
            case 'App' :
                $name = 'app';
                break;
            case 'H5' :
                $name = 'h5';
                break;
        }

        return $name;
    }
}

if (!function_exists('hideStr')) {
    /**
     * 将一个字符串部分字符用$re替代隐藏
     * @param string $string 待处理的字符串
     * @param int $start 规定在字符串的何处开始，
     *                            正数 - 在字符串的指定位置开始
     *                            负数 - 在从字符串结尾的指定位置开始
     *                            0 - 在字符串中的第一个字符处开始
     * @param int $length 可选。规定要隐藏的字符串长度。默认是直到字符串的结尾。
     *                            正数 - 从 start 参数所在的位置隐藏
     *                            负数 - 从字符串末端隐藏
     * @param string $re 替代符
     * @return string   处理后的字符串
     */
    function hideStr($string, $start = 0, $length = 0, $re = '*')
    {
        if (empty($string)) return false;
        $strArr   = [];
        $mbStrLen = mb_strlen($string);
        while ($mbStrLen) {
            $strArr[] = mb_substr($string, 0, 1, 'utf8');
            $string   = mb_substr($string, 1, $mbStrLen, 'utf8');
            $mbStrLen = mb_strlen($string);
        }
        $strLen = count($strArr);
        $begin  = $start >= 0 ? $start : ($strLen - abs($start));
        $end    = $last = $strLen - 1;
        if ($length > 0) {
            $end = $begin + $length - 1;
        } elseif ($length < 0) {
            $end -= abs($length);
        }
        for ($i = $begin; $i <= $end; $i++) {
            $strArr[$i] = $re;
        }

        // if ($begin >= $end || $begin >= $last || $end > $last) return false;
        return implode('', $strArr);
    }
}

if (!function_exists('getUserVipPriceSku')) {
    /**
     * 获取单独sku里的vip价格
     * @param $user
     * @param $skuPrice
     * @param bool $isActivity
     * @param bool $jsonEncode
     * @return mixed
     */
    function getUserVipPriceSku($user, $skuPrice, $isActivity = false, $jsonEncode = false)
    {
        if (empty($user)) {
            return $skuPrice;
        }

        // 查看是否是vip
        $groupId = Db::name('user_group')
            ->where(['id' => $user->group_id, 'is_vip' => 1])
            ->value('id');
        if (empty($groupId)) {
            return $skuPrice;
        }

        // 获取vip价格
        $vipList = $jsonEncode ? json_decode($skuPrice['vip'], true) : $skuPrice['vip'];

        if (empty($vipList)) {
            return $skuPrice;
        }

        $vipPrice   = 0;
        $isVipPrice = false;

        foreach ($vipList as $v) {
            if ($v['id'] == $groupId) {
                $vipPrice   = $v['price'];
                $isVipPrice = true;
            }
        }

        // 如果是促销活动并且有会员等级则需要做价格对比，谁的价格低则使用谁的
        if ($isVipPrice && $isActivity && !empty($skuPrice['item_goods_sku_price'])) {
            if ($vipPrice > $skuPrice['item_goods_sku_price']['price']) {
                $vipPrice = $skuPrice['item_goods_sku_price']['price'];
            }
        }

        $skuPrice['price'] = !empty($vipPrice) ? bcadd($vipPrice, 0, 2) : $skuPrice['price'];

        return $skuPrice;
    }
}

if (!function_exists('arrayGroupByKey')) {
    /**
     * 根据数组中某个值进行分组
     * @param $arr
     * @param $key
     * @return array
     */
    function arrayGroupByKey($arr, $key)
    {
        $groupArr = [];

        foreach ($arr as $item) {
            if (array_key_exists($key, $item)) {
                $groupArr[$item[$key]][] = $item;
            }
        }

        return $groupArr;
    }
}

if (!function_exists('arrayValueExists')) {
    /**
     * 查询多维数组中是否存在某个值
     * @param $arr
     * @param $field
     * @param $val
     * @return bool
     */
    function arrayValueExists($arr, $field, $val)
    {
        $flag = false;

        if (empty($arr)) {
            return $flag;
        }

        foreach ($arr as $v) {
            if ($v[$field] == $val) {
                $flag = true;
                break;
            }
        }

        return $flag;
    }
}

if (!function_exists('getUserVipPrice')) {
    /**
     * 获取会员价格
     * @param $user
     * @param $goods
     * @param bool $jsonEncode
     * @return mixed
     */
    function getUserVipPrice($user, $goods, $jsonEncode = false)
    {
        // 只有普通商品和限时促销商品可显示vip价格
        if (!empty($goods['activity'])) {
            if ($goods['activity']['type'] != 'promote') {
                return $goods;
            }
        }

        if (empty($user)) {
            return $goods;
        }

        // 查看是否是vip
        $groupId = Db::name('user_group')
            ->where(['id' => $user->group_id, 'is_vip' => 1])
            ->value('id');
        if (empty($groupId)) {
            return $goods;
        }

        // 最低价
        $price = 0;
        // 是否有vip价格
        $isVipPrice = false;
        // 多规格
        foreach ($goods['sku_price'] as $k => &$val) {
            if ($val['status'] == 'down') {
                continue;
            }

            // 获取vip价格
            $vipList = $jsonEncode ? json_decode($val['vip'], true) : $val['vip'];

            if (empty($vipList)) {
                continue;
            }

            $vipPrice = 0;
            foreach ($vipList as $v) {
                if ($v['id'] == $groupId) {
                    $vipPrice   = $v['price'];
                    $isVipPrice = true;
                }
            }

            // 如果是促销活动并且有会员等级则需要做价格对比，谁的价格低则使用谁的
            if (!empty($goods['activity']) && $goods['activity']['type'] == 'promote' && $isVipPrice && !empty($val['item_goods_sku_price'])) {
                if ($vipPrice > $val['item_goods_sku_price']['price']) {
                    $vipPrice = $val['item_goods_sku_price']['price'];
                }
            }

            $val['price'] = !empty($vipPrice) ? bcadd($vipPrice, 0, 2) : $val['price'];
            // 获取最低的价格
            if (empty($price)) {
                $price = $val['price'];
            } else {
                $price = $price > $val['price'] ? $val['price'] : $price;
            }
        }

        // 最低价
        if (!empty($isVipPrice)) {
            $goods['original_price'] = $goods['price'];
            $goods['price']          = $price;
        }

        return $goods;
    }
}

if (!function_exists('downImage')) {
    // 图片下载
    function downImage($url = '', $domain = '')
    {
        // 防止下载多图的时候超时
        set_time_limit(0);

        if (empty($url)) {
            return '图片url不能为空';
        }

        if (strrpos($url, 'http://') === false && strrpos($url, 'https://') === false) {
            return '请您传递正确的图片url地址';
        }

        // 判断后缀是否是图片文件
        $ext    = trim(strrchr($url, '.'));
        $extArr = ['.jpg', '.jpeg', '.gif', '.png', '.bmp', '.JPG', '.JPEG', '.GIF', '.PNG', '.BMP'];

        if (!in_array($ext, $extArr)) {
            return '图片格式不正确';
        }

        $https = false;

        if (stripos($url, 'https://') !== false) {
            $https = true;
        }

        // curl远程获取图片
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_REFERER, $domain);
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        if ($https === true) {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        }
        $file     = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        var_dump($file);
        exit;
        if ($httpCode === 200) {
            // 文件名
            $fName = substr(strrchr($url, '/'), 1);
            // 创建目录
            $path = substr(str_replace($fName, '', $url), 0, -1);
            $path = preg_replace('/^[a-z]+:\/\/[\w\.\?\=\&]+\/([^>]+)$/', '$1', $path);

            if (is_dir(ROOT_PATH . 'public' . DS . $path) === false) {
                $pathArr = explode('/', $path);

                // 层级创建目录
                $currentDir = '';
                foreach ($pathArr as $v) {
                    $currentDir .= $v . DS;
                    $dirPath    = ROOT_PATH . 'public' . DS . $currentDir;
                    if (is_dir($dirPath) === false) {
                        $w = umask(0);
                        mkdir($dirPath, 0777, true);
                        umask($w);
                    }
                }
            }

            // 保存图片到本地
            $fileName = DS . $path . DS . $fName;
            $filePath = ROOT_PATH . 'public' . $fileName;
            $fp       = fopen($filePath, 'a');
            fwrite($fp, $file);
            fclose($fp);

            return file_exists($filePath) ? str_replace('\\', '/', $fileName) : 404;
        }

        if ($httpCode === 0) {
            return $url;
        }

        return 404;
    }
}

if (!function_exists('getVideoUrl')) {
    /**
     * 获取播放地址
     * @param $domain
     * @param $streamName
     * @param null $key
     * @param null $time
     * @return string
     */
    function getVideoUrl($domain, $streamName, $key = null, $time = null)
    {
        if ($key && $time) {
            $txTime   = strtoupper(base_convert(strtotime($time), 10, 16));
            $txSecret = md5($key . $streamName . $txTime);
            $ext_str  = '?' . http_build_query([
                    'txSecret' => $txSecret,
                    'txTime'   => $txTime
                ]);
        }
        return "http://" . $domain . "/live/" . $streamName . '.flv' . (isset($ext_str) ? $ext_str : "");
    }
}

if (!function_exists('getPushUrl')) {
    /**
     * 获取推流地址
     * 如果不传key和过期时间，将返回不含防盗链的url
     * @param domain 您用来推流的域名
     *        streamName 您用来区别不同推流地址的唯一流名称
     *        key 安全密钥
     *        time 过期时间 sample 2016-11-12 12:00:00
     * @return String url
     */
    function getPushUrl($domain, $streamName, $key = null, $time = null)
    {
        if ($key && $time) {
            $txTime = strtoupper(base_convert(strtotime($time), 10, 16));
            //txSecret = MD5( KEY + streamName + txTime )
            $txSecret = md5($key . $streamName . $txTime);
            $ext_str  = '?' . http_build_query([
                    'txSecret' => $txSecret,
                    'txTime'   => $txTime
                ]);
        }
        return "rtmp://" . $domain . "/live/" . $streamName . (isset($ext_str) ? $ext_str : "");
    }
}

if (!function_exists('randomSelectArr')) {
    /**
     * 随机获取数组数据
     * @param $array
     * @param $number
     * @return array
     */
    function randomSelectArr($array, $number)
    {
        $length = count($array);
        $result = [];

        for ($i = 0; $i < $number; $i++) {
            $randomIndex = rand(0, $length - 1);
            $result[]    = $array[$randomIndex];
        }

        return $result;
    }
}

if (!function_exists('getSn')) {
    /**
     * 生成订单号
     * @param $user_id
     * @return string
     */
    function getSn($user_id)
    {
        $rand     = $user_id < 9999 ? mt_rand(100000, 99999999) : mt_rand(100, 99999);
        $order_sn = date('Yhis') . $rand;

        $id = str_pad($user_id, (24 - strlen($order_sn)), '0', STR_PAD_BOTH);

        return $order_sn . $id;
    }
}

if (!function_exists('__')) {

    /**
     * 获取语言变量值
     * @param string $name 语言变量名
     * @param array $vars 动态变量值
     * @param string $lang 语言
     * @return mixed
     */
    function __($name, $vars = [], $lang = '')
    {
        if (is_numeric($name) || !$name) {
            return $name;
        }
        if (!is_array($vars)) {
            $vars = func_get_args();
            array_shift($vars);
            $lang = '';
        }
        return \think\Lang::get($name, $vars, $lang);
    }
}

if (!function_exists('format_bytes')) {

    /**
     * 将字节转换为可读文本
     * @param int $size 大小
     * @param string $delimiter 分隔符
     * @param int $precision 小数位数
     * @return string
     */
    function format_bytes($size, $delimiter = '', $precision = 2)
    {
        $units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
        for ($i = 0; $size >= 1024 && $i < 6; $i++) {
            $size /= 1024;
        }
        return round($size, $precision) . $delimiter . $units[$i];
    }
}

if (!function_exists('datetime')) {

    /**
     * 将时间戳转换为日期时间
     * @param int $time 时间戳
     * @param string $format 日期时间格式
     * @return string
     */
    function datetime($time, $format = 'Y-m-d H:i:s')
    {
        $time = is_numeric($time) ? $time : strtotime($time);
        return date($format, $time);
    }
}

if (!function_exists('human_date')) {

    /**
     * 获取语义化时间
     * @param int $time 时间
     * @param int $local 本地时间
     * @return string
     */
    function human_date($time, $local = null)
    {
        return \fast\Date::human($time, $local);
    }
}

if (!function_exists('cdnurl')) {

    /**
     * 获取上传资源的CDN的地址
     * @param string $url 资源相对地址
     * @param boolean $domain 是否显示域名 或者直接传入域名
     * @return string
     */
    function cdnurl($url, $domain = false)
    {
        $regex  = "/^((?:[a-z]+:)?\/\/|data:image\/)(.*)/i";
        $cdnurl = \think\Config::get('upload.cdnurl');
        $url    = is_array($url) ? $url[0] : $url;
        if (is_bool($domain) || stripos($cdnurl, '/') === 0) {
            $url = preg_match($regex, $url) || ($cdnurl && stripos($url, $cdnurl) === 0) ? $url : $cdnurl . $url;
        }
        if ($domain && !preg_match($regex, $url)) {
            $domain = is_bool($domain) ? request()->domain() : $domain;
            $url    = $domain . $url;
        }
        return $url;
    }
}


if (!function_exists('is_really_writable')) {

    /**
     * 判断文件或文件夹是否可写
     * @param string $file 文件或目录
     * @return    bool
     */
    function is_really_writable($file)
    {
        if (DIRECTORY_SEPARATOR === '/') {
            return is_writable($file);
        }
        if (is_dir($file)) {
            $file = rtrim($file, '/') . '/' . md5(mt_rand());
            if (($fp = @fopen($file, 'ab')) === false) {
                return false;
            }
            fclose($fp);
            @chmod($file, 0777);
            @unlink($file);
            return true;
        } elseif (!is_file($file) or ($fp = @fopen($file, 'ab')) === false) {
            return false;
        }
        fclose($fp);
        return true;
    }
}

if (!function_exists('rmdirs')) {

    /**
     * 删除文件夹
     * @param string $dirname 目录
     * @param bool $withself 是否删除自身
     * @return boolean
     */
    function rmdirs($dirname, $withself = true)
    {
        if (!is_dir($dirname)) {
            return false;
        }
        $files = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dirname, RecursiveDirectoryIterator::SKIP_DOTS),
            RecursiveIteratorIterator::CHILD_FIRST
        );

        foreach ($files as $fileinfo) {
            $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
            $todo($fileinfo->getRealPath());
        }
        if ($withself) {
            @rmdir($dirname);
        }
        return true;
    }
}

if (!function_exists('copydirs')) {

    /**
     * 复制文件夹
     * @param string $source 源文件夹
     * @param string $dest 目标文件夹
     */
    function copydirs($source, $dest)
    {
        if (!is_dir($dest)) {
            mkdir($dest, 0755, true);
        }
        foreach (
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS),
                RecursiveIteratorIterator::SELF_FIRST
            ) as $item
        ) {
            if ($item->isDir()) {
                $sontDir = $dest . DS . $iterator->getSubPathName();
                if (!is_dir($sontDir)) {
                    mkdir($sontDir, 0755, true);
                }
            } else {
                copy($item, $dest . DS . $iterator->getSubPathName());
            }
        }
    }
}

if (!function_exists('mb_ucfirst')) {
    function mb_ucfirst($string)
    {
        return mb_strtoupper(mb_substr($string, 0, 1)) . mb_strtolower(mb_substr($string, 1));
    }
}

if (!function_exists('addtion')) {

    /**
     * 附加关联字段数据
     * @param array $items 数据列表
     * @param mixed $fields 渲染的来源字段
     * @return array
     */
    function addtion($items, $fields)
    {
        if (!$items || !$fields) {
            return $items;
        }
        $fieldsArr = [];
        if (!is_array($fields)) {
            $arr = explode(',', $fields);
            foreach ($arr as $k => $v) {
                $fieldsArr[$v] = ['field' => $v];
            }
        } else {
            foreach ($fields as $k => $v) {
                if (is_array($v)) {
                    $v['field'] = $v['field'] ?? $k;
                } else {
                    $v = ['field' => $v];
                }
                $fieldsArr[$v['field']] = $v;
            }
        }
        foreach ($fieldsArr as $k => &$v) {
            $v            = is_array($v) ? $v : ['field' => $v];
            $v['display'] = $v['display'] ?? str_replace(['_ids', '_id'], ['_names', '_name'], $v['field']);
            $v['primary'] = $v['primary'] ?? '';
            $v['column']  = $v['column'] ?? 'name';
            $v['model']   = $v['model'] ?? '';
            $v['table']   = $v['table'] ?? '';
            $v['name']    = $v['name'] ?? str_replace(['_ids', '_id'], '', $v['field']);
        }
        unset($v);
        $ids    = [];
        $fields = array_keys($fieldsArr);
        foreach ($items as $k => $v) {
            foreach ($fields as $m => $n) {
                if (isset($v[$n])) {
                    $ids[$n] = array_merge(isset($ids[$n]) && is_array($ids[$n]) ? $ids[$n] : [], explode(',', $v[$n]));
                }
            }
        }
        $result = [];
        foreach ($fieldsArr as $k => $v) {
            if ($v['model']) {
                $model = new $v['model'];
            } else {
                $model = $v['name'] ? \think\Db::name($v['name']) : \think\Db::table($v['table']);
            }
            $primary             = $v['primary'] ? $v['primary'] : $model->getPk();
            $result[$v['field']] = isset($ids[$v['field']]) ? $model->where($primary, 'in', $ids[$v['field']])->column($v['column'], $primary) : [];
        }

        foreach ($items as $k => &$v) {
            foreach ($fields as $m => $n) {
                if (isset($v[$n])) {
                    $curr = array_flip(explode(',', $v[$n]));

                    $linedata                     = array_intersect_key($result[$n], $curr);
                    $v[$fieldsArr[$n]['display']] = $fieldsArr[$n]['column'] == '*' ? $linedata : implode(',', $linedata);
                }
            }
        }
        return $items;
    }
}

if (!function_exists('var_export_short')) {

    /**
     * 使用短标签打印或返回数组结构
     * @param mixed $data
     * @param boolean $return 是否返回数据
     * @return string
     */
    function var_export_short($data, $return = true)
    {
        return var_export($data, $return);
        $replaced = [];
        $count    = 0;

        //判断是否是对象
        if (is_resource($data) || is_object($data)) {
            return var_export($data, $return);
        }

        //判断是否有特殊的键名
        $specialKey = false;
        array_walk_recursive($data, function (&$value, &$key) use (&$specialKey) {
            if (is_string($key) && (stripos($key, "\n") !== false || stripos($key, "array (") !== false)) {
                $specialKey = true;
            }
        });
        if ($specialKey) {
            return var_export($data, $return);
        }
        array_walk_recursive($data, function (&$value, &$key) use (&$replaced, &$count, &$stringcheck) {
            if (is_object($value) || is_resource($value)) {
                $replaced[$count] = var_export($value, true);
                $value            = "##<{$count}>##";
            } else {
                if (is_string($value) && (stripos($value, "\n") !== false || stripos($value, "array (") !== false)) {
                    $index = array_search($value, $replaced);
                    if ($index === false) {
                        $replaced[$count] = var_export($value, true);
                        $value            = "##<{$count}>##";
                    } else {
                        $value = "##<{$index}>##";
                    }
                }
            }
            $count++;
        });

        $dump = var_export($data, true);

        $dump = preg_replace('#(?:\A|\n)([ ]*)array \(#i', '[', $dump); // Starts
        $dump = preg_replace('#\n([ ]*)\),#', "\n$1],", $dump); // Ends
        $dump = preg_replace('#=> \[\n\s+\],\n#', "=> [],\n", $dump); // Empties
        $dump = preg_replace('#\)$#', "]", $dump); //End

        if ($replaced) {
            $dump = preg_replace_callback("/'##<(\d+)>##'/", function ($matches) use ($replaced) {
                return $replaced[$matches[1]] ?? "''";
            }, $dump);
        }

        if ($return === true) {
            return $dump;
        } else {
            echo $dump;
        }
    }
}

if (!function_exists('getNavArrData')) {
    function getNavArrData($id)
    {
        if (empty($id)) {
            return $id;
        }

        // 是否有上级
        $pid = \think\Db::name('attachment_nav')
            ->where(['id' => $id])
            ->value('pid');

        return !empty($pid) ? [$pid, $id] : [$id];
    }
}


if (!function_exists('letter_avatar')) {
    /**
     * 首字母头像
     * @param $text
     * @return string
     */
    function letter_avatar($text)
    {
        $total = unpack('L', hash('adler32', $text, true))[1];
        $hue   = $total % 360;
        list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

        $bg    = "rgb({$r},{$g},{$b})";
        $color = "#ffffff";
        $first = mb_strtoupper(mb_substr($text, 0, 1));
        $src   = base64_encode('<svg xmlns="http://www.w3.org/2000/svg" version="1.1" height="100" width="100"><rect fill="' . $bg . '" x="0" y="0" width="100" height="100"></rect><text x="50" y="50" font-size="50" text-copy="fast" fill="' . $color . '" text-anchor="middle" text-rights="admin" dominant-baseline="central">' . $first . '</text></svg>');
        $value = 'data:image/svg+xml;base64,' . $src;
        return $value;
    }
}

if (!function_exists('hsv2rgb')) {
    function hsv2rgb($h, $s, $v)
    {
        $r = $g = $b = 0;

        $i = floor($h * 6);
        $f = $h * 6 - $i;
        $p = $v * (1 - $s);
        $q = $v * (1 - $f * $s);
        $t = $v * (1 - (1 - $f) * $s);

        switch ($i % 6) {
            case 0:
                $r = $v;
                $g = $t;
                $b = $p;
                break;
            case 1:
                $r = $q;
                $g = $v;
                $b = $p;
                break;
            case 2:
                $r = $p;
                $g = $v;
                $b = $t;
                break;
            case 3:
                $r = $p;
                $g = $q;
                $b = $v;
                break;
            case 4:
                $r = $t;
                $g = $p;
                $b = $v;
                break;
            case 5:
                $r = $v;
                $g = $p;
                $b = $q;
                break;
        }

        return [
            floor($r * 255),
            floor($g * 255),
            floor($b * 255)
        ];
    }
}

if (!function_exists('check_nav_active')) {
    /**
     * 检测会员中心导航是否高亮
     */
    function check_nav_active($url, $classname = 'active')
    {
        $auth       = \app\common\library\Auth::instance();
        $requestUrl = $auth->getRequestUri();
        $url        = ltrim($url, '/');
        return $requestUrl === str_replace(".", "/", $url) ? $classname : '';
    }
}

if (!function_exists('check_cors_request')) {
    /**
     * 跨域检测
     */
    function check_cors_request()
    {
        if (isset($_SERVER['HTTP_ORIGIN']) && $_SERVER['HTTP_ORIGIN'] && config('fastadmin.cors_request_domain')) {
            $info        = parse_url($_SERVER['HTTP_ORIGIN']);
            $domainArr   = explode(',', config('fastadmin.cors_request_domain'));
            $domainArr[] = request()->host(true);
            if (in_array("*", $domainArr) || in_array($_SERVER['HTTP_ORIGIN'], $domainArr) || (isset($info['host']) && in_array($info['host'], $domainArr))) {
                header("Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN']);
            } else {
                $response = Response::create('跨域检测无效', 'html', 403);
                throw new HttpResponseException($response);
            }

            header('Access-Control-Allow-Credentials: true');
            header('Access-Control-Max-Age: 86400');

            if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
                if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'])) {
                    header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");
                }
                if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) {
                    header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
                }
                $response = Response::create('', 'html');
                throw new HttpResponseException($response);
            }
        }
    }
}

if (!function_exists('xss_clean')) {
    /**
     * 清理XSS
     */
    function xss_clean($content, $is_image = false)
    {
        return \app\common\library\Security::instance()->xss_clean($content, $is_image);
    }
}

if (!function_exists('url_clean')) {
    /**
     * 清理URL
     */
    function url_clean($url)
    {
        if (!check_url_allowed($url)) {
            return '';
        }
        return xss_clean($url);
    }
}

if (!function_exists('check_ip_allowed')) {
    /**
     * 检测IP是否允许
     * @param string $ip IP地址
     */
    function check_ip_allowed($ip = null)
    {
        $ip             = is_null($ip) ? request()->ip() : $ip;
        $forbiddenipArr = config('site.forbiddenip');
        $forbiddenipArr = !$forbiddenipArr ? [] : $forbiddenipArr;
        $forbiddenipArr = is_array($forbiddenipArr) ? $forbiddenipArr : array_filter(explode("\n", str_replace("\r\n", "\n", $forbiddenipArr)));
        if ($forbiddenipArr && \Symfony\Component\HttpFoundation\IpUtils::checkIp($ip, $forbiddenipArr)) {
            $response = Response::create('请求无权访问', 'html', 403);
            throw new HttpResponseException($response);
        }
    }
}

if (!function_exists('check_url_allowed')) {
    /**
     * 检测URL是否允许
     * @param string $url URL
     * @return bool
     */
    function check_url_allowed($url = '')
    {
        //允许的主机列表
        $allowedHostArr = [
            strtolower(request()->host())
        ];

        if (empty($url)) {
            return true;
        }

        //如果是站内相对链接则允许
        if (preg_match("/^[\/a-z][a-z0-9][a-z0-9\.\/]+((\?|#).*)?\$/i", $url) && substr($url, 0, 2) !== '//') {
            return true;
        }

        //如果是站外链接则需要判断HOST是否允许
        if (preg_match("/((http[s]?:\/\/)+(?>[a-z\-0-9]{2,}\.){1,}[a-z]{2,8})(?:\s|\/)/i", $url)) {
            $chkHost = parse_url(strtolower($url), PHP_URL_HOST);
            if ($chkHost && in_array($chkHost, $allowedHostArr)) {
                return true;
            }
        }

        return false;
    }
}

if (!function_exists('build_suffix_image')) {
    /**
     * 生成文件后缀图片
     * @param string $suffix 后缀
     * @param null $background
     * @return string
     */
    function build_suffix_image($suffix, $background = null)
    {
        $suffix = mb_substr(strtoupper($suffix), 0, 4);
        $total  = unpack('L', hash('adler32', $suffix, true))[1];
        $hue    = $total % 360;
        list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

        $background = $background ? $background : "rgb({$r},{$g},{$b})";

        $icon = <<<EOT
        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
            <path style="fill:#E2E5E7;" d="M128,0c-17.6,0-32,14.4-32,32v448c0,17.6,14.4,32,32,32h320c17.6,0,32-14.4,32-32V128L352,0H128z"/>
            <path style="fill:#B0B7BD;" d="M384,128h96L352,0v96C352,113.6,366.4,128,384,128z"/>
            <polygon style="fill:#CAD1D8;" points="480,224 384,128 480,128 "/>
            <path style="fill:{$background};" d="M416,416c0,8.8-7.2,16-16,16H48c-8.8,0-16-7.2-16-16V256c0-8.8,7.2-16,16-16h352c8.8,0,16,7.2,16,16 V416z"/>
            <path style="fill:#CAD1D8;" d="M400,432H96v16h304c8.8,0,16-7.2,16-16v-16C416,424.8,408.8,432,400,432z"/>
            <g><text><tspan x="220" y="380" font-size="124" font-family="Verdana, Helvetica, Arial, sans-serif" fill="white" text-anchor="middle">{$suffix}</tspan></text></g>
        </svg>
EOT;
        return $icon;
    }
}