<?php

// 应用公共文件
use app\model\Config;
use think\facade\Db;
use GuzzleHttp\Client;
use think\facade\Request;

function get_curl(string $url, $post = 0, $referer = 0, $cookie = 0, $header = 0, $ua = 0, $nobody = 0)
{
    $options = [];
    if (is_array($header) && !empty($header)) {
        $options['headers'] = $header;
    }
    if ($ua) {
        $options['headers']['user-agent'] = $ua;
    } else {
        $options['headers']['user-agent'] = 'Mozilla/5.0 (Linux; U; Android 4.0.4; es-mx; HTC_One_X Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0';
    }
    if (is_string($referer) && $referer != '') {
        $options['headers']['referer'] = $referer;
    }
    if (is_string($cookie) && $cookie != '') {
        $options['headers']['cookie'] = $cookie;
    }
    $client = new Client($options);
    if (!is_array($post)) {
        $response = $client->get($url);
    } else {
        $response = $client->post($url, [
            'form_params' => $post,
            'headers' => $header,
            'verify' => false
        ]);
    }

    if ($nobody) {
        $ret = $response->getHeaders();
    } else {
        $ret = $response->getBody()->getContents();
    }
    return $ret;
}

function real_ip($type = 0)
{
    $ip = $_SERVER['REMOTE_ADDR'];
    if ($type <= 0 && isset($_SERVER['HTTP_X_FORWARDED_FOR']) && preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
        foreach ($matches[0] as $xip) {
            if (filter_var($xip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
                $ip = $xip;
                break;
            }
        }
    } elseif ($type <= 0 && isset($_SERVER['HTTP_CLIENT_IP']) && filter_var($_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
        $ip = $_SERVER['HTTP_CLIENT_IP'];
    } elseif ($type <= 1 && isset($_SERVER['HTTP_CF_CONNECTING_IP']) && filter_var($_SERVER['HTTP_CF_CONNECTING_IP'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
        $ip = $_SERVER['HTTP_CF_CONNECTING_IP'];
    } elseif ($type <= 1 && isset($_SERVER['HTTP_X_REAL_IP']) && filter_var($_SERVER['HTTP_X_REAL_IP'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
        $ip = $_SERVER['HTTP_X_REAL_IP'];
    }
    return $ip;
}

function strexists($string, $find)
{
    return !(strpos($string, $find) === false);
}

function dstrpos($string, $arr)
{
    if (empty($string)) {
        return false;
    }
    foreach ((array)$arr as $v) {
        if (strpos($string, $v) !== false) {
            return true;
        }
    }
    return false;
}

function checkmobile()
{
    $useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
    $ualist = array('android', 'midp', 'nokia', 'mobile', 'iphone', 'ipod', 'blackberry', 'windows phone');
    if ((dstrpos($useragent, $ualist) || strexists($_SERVER['HTTP_ACCEPT'], "VND.WAP") || strexists($_SERVER['HTTP_VIA'], "wap"))) {
        return true;
    } else {
        return false;
    }
}

function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0)
{
    $ckey_length = 4;
    $key = md5($key);
    $keya = md5(substr($key, 0, 16));
    $keyb = md5(substr($key, 16, 16));
    $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()), -$ckey_length)) : '';
    $cryptkey = $keya.md5($keya.$keyc);
    $key_length = strlen($cryptkey);
    $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
    $string_length = strlen($string);
    $result = '';
    $box = range(0, 255);
    $rndkey = array();
    for ($i = 0; $i <= 255; $i++) {
        $rndkey[$i] = ord($cryptkey[$i % $key_length]);
    }
    for ($j = $i = 0; $i < 256; $i++) {
        $j = ($j + $box[$i] + $rndkey[$i]) % 256;
        $tmp = $box[$i];
        $box[$i] = $box[$j];
        $box[$j] = $tmp;
    }
    for ($a = $j = $i = 0; $i < $string_length; $i++) {
        $a = ($a + 1) % 256;
        $j = ($j + $box[$a]) % 256;
        $tmp = $box[$a];
        $box[$a] = $box[$j];
        $box[$j] = $tmp;
        $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
    }
    if ($operation == 'DECODE') {
        if (((int)substr($result, 0, 10) == 0 || (int)substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
            return substr($result, 26);
        } else {
            return '';
        }
    } else {
        return $keyc.base64_encode($result);
    }
}

function random($length, $numeric = 0)
{
    $seed = base_convert(md5(microtime().$_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);
    $seed = $numeric ? (str_replace('0', '', $seed).'012340567890') : ($seed.'zZ'.strtoupper($seed));
    $hash = '';
    $max = strlen($seed) - 1;
    for ($i = 0; $i < $length; $i++) {
        $hash .= $seed[mt_rand(0, $max)];
    }
    return $hash;
}

function checkDomain($domain)
{
    if (empty($domain) || !preg_match('/^[-$a-z0-9_*.]{2,512}$/i', $domain) || (stripos($domain, '.') === false) || str_ends_with($domain, '.') || str_starts_with($domain, '.') || str_starts_with($domain, '*') && substr($domain, 1, 1) != '.' || substr_count($domain, '*') > 1 || strpos($domain, '*') > 0 || strlen($domain) < 4) {
        return false;
    }
    return true;
}

function getSubstr($str, $leftStr, $rightStr)
{
    $left = strpos($str, $leftStr);
    $start = $left + strlen($leftStr);
    $right = strpos($str, $rightStr, $start);
    if ($left < 0) {
        return '';
    }
    if ($right > 0) {
        return substr($str, $start, $right - $start);
    } else {
        return substr($str, $start);
    }
}

function checkRefererHost()
{
    if (!Request::header('referer')) {
        return false;
    }
    $url_arr = parse_url(Request::header('referer'));
    $http_host = Request::header('host');
    if (strpos($http_host, ':')) {
        $http_host = substr($http_host, 0, strpos($http_host, ':'));
    }
    return $url_arr['host'] === $http_host;
}

function checkIfActive($string)
{
    $array = explode(',', $string);
    $action = Request::action();
    if (in_array($action, $array)) {
        return 'active';
    } else {
        return null;
    }
}

function getSid()
{
    return md5(uniqid(mt_rand(), true) . microtime());
}
function getMd5Pwd($pwd, $salt = null)
{
    return md5(md5($pwd) . md5('1277180438'.$salt));
}

function isNullOrEmpty($str)
{
    return $str === null || $str === '';
}

function checkPermission($type, $domain = null)
{
    $user = Request()->user;
    if (empty($user)) {
        return false;
    }
    if ($user['level'] == 2) {
        return true;
    }
    if ($type == 1 && $user['level'] == 1 || $type == 0 && $user['level'] >= 0) {
        if ($domain == null) {
            return true;
        }
        if (in_array($domain, $user['permission'])) {
            return true;
        }
    }
    return false;
}

function getAdminSkin()
{
    $skin = cookie('admin_skin');
    if (empty($skin)) {
        $skin = config_get('admin_skin');
    }
    if (empty($skin)) {
        $skin = 'skin-black-blue';
    }
    return $skin;
}

function config_get($key, $default = null, $force = false)
{
    if ($force) {
        $value = Config::where('key', $key)->value('value');
    } else {
        $value = config("sys.$key");
    }
    return $value ?: $default;
}

function config_set($key, $value)
{
    $res = Db::name('config')->replace()->insert(['key' => $key, 'value' => $value]);
    return $res !== false;
}

function getMillisecond()
{
    list($s1, $s2) = explode(' ', microtime());
    return (int)sprintf('%.0f', (floatval($s1) + floatval($s2)) * 1000);
}

function getDnsType($value)
{
    if (filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
        return 'A';
    } elseif (filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
        return 'AAAA';
    } else {
        return 'CNAME';
    }
}

function convert_second($s)
{
    $m = floor($s / 60);
    if ($m == 0) {
        return $s.'秒';
    } else {
        $s = $s % 60;
        $h = floor($m / 60);
        if ($h == 0) {
            return $m.'分钟'.$s.'秒';
        } else {
            $m = $m % 60;
            return $h.'小时'.$m.'分钟'.$s.'秒';
        }
    }
}