<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 紫旭 <zixutech@gmail.com> <https://www.zixutech.cn>
// +----------------------------------------------------------------------

// 应用公共文件
function assembleJson($code, $status, $message, $data)
{
    return json_encode(['code' => $code, 'status' => $status, 'message' => $message, 'data' => $data]);
}

function assembleTableJson($code, $status, $message, $totalCount, $data)
{
    return json_encode(['code' => $code, 'status' => $status, 'msg' => $message, 'totalCount' => $totalCount, 'data' => $data]);
}

function generateToken($tokenArray)
{
    $token = base64_encode(json_encode($tokenArray));
    $token = encryption($token, 'E');
    return $token;
}

function decryptToken($token)
{
    $tokenArray = encryption($token, 'D');
    $tokenArray = base64_decode($tokenArray);
    $tokenArray = json_decode($tokenArray, true);
    return $tokenArray;
}

// 第二个参数 E加密 D解密
function encryption($string, $operation)
{
    $key = md5(config('encryption_key'));
    $key_length = strlen($key);
    $string = str_replace('_', '/', $string);
    $string = str_replace("-", '\\', $string);
    $string = str_replace("*", '+', $string);
    $string = $operation == 'D' ? base64_decode($string) : substr(md5($string . $key), 0, 8) . $string;
    $string_length = strlen($string);
    $rndkey = $box = array();
    $result = '';
    for ($i = 0; $i <= 255; $i++) {
        $rndkey[$i] = ord($key[$i % $key_length]);
        $box[$i] = $i;
    }
    for ($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 ($operation == 'D') {
        if (substr($result, 0, 8) == substr(md5(substr($result, 8) . $key), 0, 8)) {
            $result = substr($result, 8);
            return $result;
        } else {
            return '';
        }
    } else {
        $result = str_replace('=', '', base64_encode($result));
        $result = str_replace('/', '_', $result);
        $result = str_replace("\\", '-', $result);
        $result = str_replace("+", '*', $result);
        // 正斜杠 / 改为下划线 _ ； 反斜杠 \ 改为减号 - 。
        return $result;
    }
}

//获取用户真实IP
function getIp()
{
    if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
        $ip = getenv("HTTP_CLIENT_IP");
    else
        if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
            $ip = getenv("HTTP_X_FORWARDED_FOR");
        else
            if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
                $ip = getenv("REMOTE_ADDR");
            else
                if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
                    $ip = $_SERVER['REMOTE_ADDR'];
                else
                    $ip = "unknown";
    return ($ip);
}

//Remove the exploer'bug XSS
function RemoveXSS($val)
{
    // remove all non-printable characters. CR(0a) and LF(0b) and TAB(9) are allowed
    // this prevents some character re-spacing such as <java\0script>
    // note that you have to handle splits with \n, \r, and \t later since they *are* allowed in some inputs
    $val = preg_replace('/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/', '', $val);
    // straight replacements, the user should never need these since they're normal characters
    // this prevents like <IMG SRC=@avascript:alert('XSS')>
    $search = 'abcdefghijklmnopqrstuvwxyz';
    $search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $search .= '1234567890!@#$%^&*()';
    $search .= '~`";:?+/={}[]-_|\'\\';
    for ($i = 0; $i < strlen($search); $i++) {
        // ;? matches the ;, which is optional
        // 0{0,7} matches any padded zeros, which are optional and go up to 8 chars

        // @ @ search for the hex values
        $val = preg_replace('/(&#[xX]0{0,8}' . dechex(ord($search[$i])) . ';?)/i', $search[$i], $val); // with a ;
        // @ @ 0{0,7} matches '0' zero to seven times
        $val = preg_replace('/(�{0,8}' . ord($search[$i]) . ';?)/', $search[$i], $val); // with a ;
    }

    // now the only remaining whitespace attacks are \t, \n, and \r
    $ra1 = array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'style', 'script', 'embed', 'object', 'iframe', 'frame', 'frameset', 'ilayer', 'layer', 'bgsound', 'title', 'base');
    $ra2 = array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavailable', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterchange', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowenter', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload');
    $ra = array_merge($ra1, $ra2);

    $found = true; // keep replacing as long as the previous round replaced something
    while ($found == true) {
        $val_before = $val;
        for ($i = 0; $i < sizeof($ra); $i++) {
            $pattern = '/';
            for ($j = 0; $j < strlen($ra[$i]); $j++) {
                if ($j > 0) {
                    $pattern .= '(';
                    $pattern .= '(&#[xX]0{0,8}([9ab]);)';
                    $pattern .= '|';
                    $pattern .= '|(�{0,8}([9|10|13]);)';
                    $pattern .= ')*';
                }
                $pattern .= $ra[$i][$j];
            }
            $pattern .= '/i';
            $replacement = substr($ra[$i], 0, 2) . '<x>' . substr($ra[$i], 2); // add in <> to nerf the tag
            $val = preg_replace($pattern, $replacement, $val); // filter out the hex tags
            if ($val_before == $val) {
                // no replacements were made, so exit the loop
                $found = false;
            }
        }
    }
    return $val;
}

//防注入
function abacaAddslashes($var)
{
    if (!get_magic_quotes_gpc()) {
        if (is_array($var)) {
            foreach ($var as $key => $val) {
                $var [$key] = abacaAddslashes($val);
            }
        } else {
            $var = addslashes($var);
        }
    }
    return $var;
}

//检查各项过期时间，过期返回true 没过期返回false
function checkExpire($expiretime)
{
    if (!strtotime($expiretime)) {
        //不是时间
        return true;
    }
    $expiretime = number_format(strtotime($expiretime) - time());
    if ($expiretime <= 0) {
        return true;
    } else {
        return false;
    }
}

//取中间文本
function get_between($input, $start, $end)
{
    $substr = substr($input, strlen($start) + strpos($input, $start), (strlen($input) - strpos($input, $end)) * (-1));
    return $substr;
}

// 生成随机密码
function randomkeys($length, $pureNumber = false)
{
    // 生成字母和数字组成的6位字符串

    if ($pureNumber) {
        $arr = range(0, 9);
    } else {
        $str = range('A', 'Z');

        // 去除大写的O，以防止与0混淆

        unset($str[array_search('O', $str)]);
        $arr = array_merge(range(0, 9), $str);
    }

    shuffle($arr);

    $invitecode = '';

    $arr_len = count($arr);

    for ($i = 0; $i < $length; $i++) {

        $rand = mt_rand(0, $arr_len - 1);

        $invitecode .= $arr[$rand];

    }

    return $invitecode;
}

function getThisWeek()
{

//当前日期
    $sdefaultDate = date('Y-m-d');
//$first =1 表示每周星期一为开始日期 0表示每周日为开始日期
    $first = 0;
//获取当前周的第几天 周日是 0 周一到周六是 1 - 6
    $w = date('w', strtotime($sdefaultDate));
//获取本周开始日期，如果$w是0，则表示周日，减去 6 天
    $week_start = date('Y-m-d', strtotime("$sdefaultDate -" . ($w ? $w - $first : 6) . ' days'));
//本周结束日期
    $week_end = date('Y-m-d', strtotime("$week_start +6 days"));
    return [$week_start, $week_end];
}

function array_sort($array, $keys, $type = 'asc')
{
    $keysvalue = $new_array = array();
    foreach ($array as $k => $v) {
        $keysvalue[$k] = $v[$keys];
    }
    if ($type == 'asc') {
        asort($keysvalue);
    } else {
        arsort($keysvalue);
    }
    reset($keysvalue);
    foreach ($keysvalue as $k => $v) {
        $new_array[$k] = $array[$k];
    }
    return $new_array;
}

/**
 * 系统邮件发送函数
 * @param string $tomail 接收邮件者邮箱
 * @param string $name 接收邮件者名称
 * @param string $subject 邮件主题
 * @param string $body 邮件内容
 * @param string $attachment 附件列表
 * @return boolean
 * @throws \PHPMailer\PHPMailer\Exception
 */
function send_mail($tomail, $name, $subject = '', $body = '', $attachment = null)
{
    $mail = new PHPMailer\PHPMailer\PHPMailer();           //实例化PHPMailer对象
    $mail->CharSet = 'UTF-8';           //设定邮件编码，默认ISO-8859-1，如果发中文此项必须设置，否则乱码
    $mail->IsSMTP();                    // 设定使用SMTP服务
    $mail->SMTPDebug = 3;               // SMTP调试功能 0=关闭 1 = 错误和消息 2 = 消息
    $mail->SMTPAuth = true;             // 启用 SMTP 验证功能
    $mail->SMTPSecure = 'ssl';          // 使用安全协议
    $mail->Host = "smtp.qq.com"; // SMTP 服务器
    $mail->Port = 465;                  // SMTP服务器的端口号
    $mail->Username = "";    // SMTP服务器用户名
    $mail->Password = "";     // SMTP服务器密码
    $mail->SetFrom('发信地址', '邮件标题');
    $replyEmail = '';                   //留空则为发件人EMAIL
    $replyName = '请勿回复本邮件';                    //回复名称（留空则为发件人名称）
    $mail->AddReplyTo($replyEmail, $replyName);
    $mail->Subject = $subject;
    $mail->MsgHTML($body);
    $mail->AddAddress($tomail, $name);
    if (is_array($attachment)) { // 添加附件
        foreach ($attachment as $file) {
            is_file($file) && $mail->AddAttachment($file);
        }
    }
    return $mail->Send() ? true : $mail->ErrorInfo;
}

/**
 * http请求
 * @param string $url 请求地址
 * @param boolean|string|array $params 请求数据
 * @param integer $ispost 0/1，是否post
 * @param array $header
 * @param bool $verify 是否验证ssl
 * return string|boolean          出错时返回false
 * @param bool|array $proxy 代理数组
 * @return bool|mixed
 */
function http_request($url, $params = false, $ispost = 0, $header = [], $verify = false, $proxy = false)
{
    $httpInfo = array();
    $ch = curl_init();
    $ua = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36';
    if (!empty($header)) {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    }
    curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
    curl_setopt($ch, CURLOPT_TIMEOUT, 60);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_USERAGENT, $ua);

    if ($proxy) {
        curl_setopt($ch, CURLOPT_PROXY, $proxy['ip']); //代理服务器地址
        curl_setopt($ch, CURLOPT_PROXYPORT, $proxy['port']); //代理服务器端口
    }
    //忽略ssl证书
    if ($verify === true) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
    } else {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }
    if ($ispost) {
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
        curl_setopt($ch, CURLOPT_URL, $url);
    } else {
        if (is_array($params)) {
            $params = http_build_query($params);
        }
        if ($params) {
            curl_setopt($ch, CURLOPT_URL, $url . '?' . $params);
        } else {
            curl_setopt($ch, CURLOPT_URL, $url);
        }
    }
    $response = curl_exec($ch);
    if ($response === FALSE) {
        trace("cURL Error: " . curl_errno($ch) . ',' . curl_error($ch), 'error');
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        $httpInfo = array_merge($httpInfo, curl_getinfo($ch));
        trace($httpInfo, 'error');
        return false;
    }
    curl_close($ch);
    return $response;
}


/**
 * 检查是否是手机访问
 * @return bool
 */
function is_mobile()
{
    $agent = strtolower($_SERVER['HTTP_USER_AGENT']);
    $is_pc = (strpos($agent, 'windows nt')) ? true : false;
    $is_mac = (strpos($agent, 'mac os')) ? true : false;
    $is_iphone = (strpos($agent, 'iphone')) ? true : false;
    $is_android = (strpos($agent, 'android')) ? true : false;
    $is_ipad = (strpos($agent, 'ipad')) ? true : false;


    if ($is_pc) {
        return false;
    }

    if ($is_mac) {
        return false;
    }

    if ($is_iphone) {
        return true;
    }

    if ($is_android) {
        return true;
    }

    if ($is_ipad) {
        return false;
    }
}