Ejemplo n.º 1
0
function mta_decode($headers, $data)
{
    $encode_types = get_content_encoding($headers);
    $types = explode(',', $encode_types);
    $res_data = $data;
    foreach ($types as $type) {
        if ($type == 'rc4') {
            $res_data = mta_rc4($res_data);
        } else {
            if ($type == 'gzip') {
                $header = unpack('Nlength/Lgzip', $res_data);
                if (intval($header['gzip']) === 0x88b1f) {
                    $header = unpack('Nlength/H*body', $res_data);
                    //$header['ori_buf'] = bin2hex($res_data);
                    //$header['ori_len'] = strlen($res_data);
                    $res_data = hex2bin($header['body']);
                } else {
                }
                $res_data = gzdecode($res_data);
                //jsondb_logger('nofity', 'gzip log', ['res'=>$res_data,'len'=>strlen($res_data),'header'=>$header]);
            }
        }
    }
    if (empty($res_data)) {
        jsondb_logger('notify', 'error ' . bin2hex($data));
    }
    return json_decode($res_data);
}
Ejemplo n.º 2
0
function mta_decode($headers, $data, $cb_fliter = null)
{
    if (empty($data)) {
        return array('status' => 'error', 'error' => 'no data posted');
    }
    $encode_types = get_content_encoding($headers);
    $types = explode(',', $encode_types);
    //jsondb_logger('notify', 'before: '.bin2hex($data));
    $packed = false;
    $res_data = $data;
    foreach ($types as $type) {
        if ($type == 'rc4') {
            $res_data = mta_rc4($res_data);
        } elseif ($type == 'gzip') {
            $header = unpack('Nlength/Sgzip', $res_data);
            if (intval($header['gzip']) === 0x8b1f) {
                $header = unpack('Nlength/a*body', $res_data);
                $res_data = $header['body'];
                $packed = true;
            }
            $res_data = gzdecode($res_data);
        }
    }
    if (empty($res_data)) {
        jsondb_logger('notify', 'error ' . bin2hex($data));
        return array('status' => 'error', 'error' => 'decryption error');
    }
    $ori_data = json_decode($res_data);
    if ($cb_fliter) {
        $new_data = call_user_func($cb_fliter, $headers, $ori_data);
        if ($new_data) {
            $types = array_reverse($types);
            $res_data = json_encode($new_data);
            foreach ($types as $type) {
                if ($type == 'rc4') {
                    $res_data = mta_rc4($res_data);
                    //jsondb_logger('notify', 'after rc4: '.bin2hex($res_data));
                } elseif ($type == 'gzip') {
                    if ($packed) {
                        $length = strlen($res_data);
                        $res_data = gzencode($res_data);
                        $res_data = pack('Na*', $length, $res_data);
                        //jsondb_logger('notify', 'len2: '.$length);
                    } else {
                        $res_data = gzencode($res_data);
                    }
                    //jsondb_logger('notify', 'after zip: '.bin2hex($res_data));
                }
            }
            return array('status' => 'ok', 'ori' => $ori_data, 'new' => $new_data, 'res' => $res_data);
        }
    }
    return array('status' => 'ok', 'ori' => $ori_data, 'new' => null, 'res' => null);
}
Ejemplo n.º 3
0
function forward($cb_before = null, $cb_after = null, $url = '')
{
    //生成url
    if ($url === '') {
        $url = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    } else {
        if (!preg_match("/https?:/i", $url)) {
            if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
                $url = "https://" . $_SERVER['HTTP_HOST'] . "/" . ltrim($url, "/");
            } else {
                $url = "http://" . $_SERVER['HTTP_HOST'] . "/" . ltrim($url, "/");
            }
        }
    }
    //获取转发需要的头内容
    $headers = get_request_headers();
    //转发POST内容
    $data_to_post = null;
    if ($_SERVER["REQUEST_METHOD"] == "POST") {
        if (in_array(get_content_type($headers), array('application/x-www-form-urlencoded', 'multipart/form-data'))) {
            $data_to_post = $_POST;
        } else {
            //就抓出原始的post数据即可
            $fp = fopen('php://input', 'r');
            $post = stream_get_contents($fp);
            fclose($fp);
            $data_to_post = $post;
        }
    }
    if ($cb_before) {
        call_user_func_array($cb_before, [&$url, &$data_to_post, &$headers]);
    }
    //初始化curl选项
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_MAXREDIRS, 10);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, REQUEST_TIMEOUT);
    //将生成的头,设置在curl中
    set_request_headers($ch, $headers);
    //设置POST数据
    if ($data_to_post) {
        set_post($ch, $data_to_post);
    }
    //执行curl请求
    //要防止长连接用这种方法 fixme
    $data = curl_exec($ch);
    $info = curl_getinfo($ch);
    curl_close($ch);
    //获取返回的body内容
    $body = $info["size_download"] ? substr($data, $info["header_size"], $info["size_download"]) : "";
    $headers_str = substr($data, 0, $info["header_size"]);
    $headers = get_response_headers($headers_str);
    if ($cb_after) {
        $encoding = get_content_encoding($headers);
        $body_str = $body;
        if ($encoding === 'deflate') {
            $body_str = gzinflate($body);
        }
        if ($encoding === 'gzip') {
            $body_str = gzdecode($body);
        }
        //调用过滤钩子,检测是否有修改内容
        $old_md5 = md5($body_str);
        call_user_func_array($cb_after, [$info, &$headers, &$body_str]);
        $new_md5 = md5($body_str);
        //如果内容有修改,则需要从新打包,和计算内容长度
        if ($old_md5 !== $new_md5) {
            switch ($encoding) {
                case 'deflate':
                    $body = gzdeflate($body_str);
                    break;
                case 'gzip':
                    $body = gzencode($body_str);
                    break;
                default:
                    $body = $body_str;
            }
            //修正发出的内容长度
            $headers = set_content_length($headers, strlen($body));
        }
    }
    //转发返回的头内
    set_response_headers($headers);
    //输出html内容到浏览器
    echo $body;
    //函数返回结果给缓存使用
    return [$headers, $body];
}