<?php
/** .-------------------------------------------------------------------
 * |  Software: [HDCMS framework]
 * |      Site: www.hdcms.com
 * |-------------------------------------------------------------------
 * |    Author: 向军 <2300071698@qq.com>
 * |    WeChat: aihoudun
 * | Copyright (c) 2012-2019, www.houdunwang.com. All Rights Reserved.
 * '-------------------------------------------------------------------*/
namespace hdphp\request;

//请求处理
class Request {

	public function __call( $method, $params ) {
		$params[0] = $method . '.' . $params[0];

		return call_user_func_array( [ $this, 'query' ], $params );
	}

	/**
	 * 获取变量
	 *
	 * @param       $var     变量名
	 * @param null $default 变量不存在时设置的值
	 * @param array $filter 过滤函数
	 *
	 * @return array|null
	 */
	public function query( $var, $default = NULL, $filter = [ ] ) {
		//支持get.id 或 id
		$var = explode( ".", $var );

		if ( count( $var ) == 1 ) {
			array_unshift( $var, 'REQUEST' );
		}

		switch ( strtoupper( $var[0] ) ) {
			case 'GET' :
				$data = &$_GET;
				break;
			case 'POST' :
				$data = &$_POST;
				break;
			case 'REQUEST' :
				$data = &$_REQUEST;
				break;
			case 'FILES' :
				$data = &$_FILES;
				break;
			case 'SESSION' :
				$data = &$_SESSION;
				break;
			case 'COOKIE' :
				$data = &$_COOKIE;
				break;
			case 'SERVER' :
				$data = &$_SERVER;
				break;
			case 'GLOBALS' :
				$data = &$GLOBALS;
				break;
			default :
				return;
		}
		//q("post.")返回所有
		if ( empty( $var[1] ) ) {
			return $data;
		} else if ( isset( $data[ $var[1] ] ) ) {
			$value = $data[ $var[1] ];
			//参数过滤函数
			if ( ! empty( $filter ) ) {
				if ( is_string( $filter ) ) {
					$filter = explode( ',', $filter );
				}
				//过滤处理
				foreach ( (array) $filter as $func ) {
					if ( function_exists( $func ) ) {
						$value = is_array( $value ) ? array_map( $func, $value ) : $func( $value );
					}
				}
				$data[ $var[1] ] = $value;

				return $value;
			}

			return $value;
		} else {
			return $data[ $var[1] ] = $default;
		}
	}

	//客户端IP
	public function ip( $type = 0 ) {
		$type = intval( $type );
		//保存客户端IP地址
		if ( isset( $_SERVER ) ) {
			if ( isset( $_SERVER["HTTP_X_FORWARDED_FOR"] ) ) {
				$ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
			} else if ( isset( $_SERVER["HTTP_CLIENT_IP"] ) ) {
				$ip = $_SERVER["HTTP_CLIENT_IP"];
			} else {
				$ip = $_SERVER["REMOTE_ADDR"];
			}
		} else {
			if ( getenv( "HTTP_X_FORWARDED_FOR" ) ) {
				$ip = getenv( "HTTP_X_FORWARDED_FOR" );
			} else if ( getenv( "HTTP_CLIENT_IP" ) ) {
				$ip = getenv( "HTTP_CLIENT_IP" );
			} else {
				$ip = getenv( "REMOTE_ADDR" );
			}
		}
		$long     = ip2long( $ip );
		$clientIp = $long ? [ $ip, $long ] : [ "0.0.0.0", 0 ];

		return $clientIp[ $type ];
	}

	//https请求
	public function isHttps() {
		if ( isset( $_SERVER['HTTPS'] ) && ( '1' == $_SERVER['HTTPS'] || 'on' == strtolower( $_SERVER['HTTPS'] ) ) ) {
			return TRUE;
		} elseif ( isset( $_SERVER['SERVER_PORT'] ) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
			return TRUE;
		}

		return FALSE;
	}

	//手机判断
	public function isMobile() {
		//微信客户端检测
		if ( IS_WEIXIN ) {
			return TRUE;
		}
		if ( !empty( $_GET['mobile'] ) ) {
			return TRUE;
		}
		$_SERVER['ALL_HTTP'] = isset( $_SERVER['ALL_HTTP'] ) ? $_SERVER['ALL_HTTP'] : '';
		$mobile_browser      = '0';
		if ( preg_match( '/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i', strtolower( $_SERVER['HTTP_USER_AGENT'] ) ) ) {
			$mobile_browser ++;
		}
		if ( ( isset( $_SERVER['HTTP_ACCEPT'] ) ) and ( strpos( strtolower( $_SERVER['HTTP_ACCEPT'] ), 'application/vnd.wap.xhtml+xml' ) !== FALSE ) ) {
			$mobile_browser ++;
		}
		if ( isset( $_SERVER['HTTP_X_WAP_PROFILE'] ) ) {
			$mobile_browser ++;
		}
		if ( isset( $_SERVER['HTTP_PROFILE'] ) ) {
			$mobile_browser ++;
		}
		$mobile_ua     = strtolower( substr( $_SERVER['HTTP_USER_AGENT'], 0, 4 ) );
		$mobile_agents = [
			'w3c ',
			'acs-',
			'alav',
			'alca',
			'amoi',
			'audi',
			'avan',
			'benq',
			'bird',
			'blac',
			'blaz',
			'brew',
			'cell',
			'cldc',
			'cmd-',
			'dang',
			'doco',
			'eric',
			'hipt',
			'inno',
			'ipaq',
			'java',
			'jigs',
			'kddi',
			'keji',
			'leno',
			'lg-c',
			'lg-d',
			'lg-g',
			'lge-',
			'maui',
			'maxo',
			'midp',
			'mits',
			'mmef',
			'mobi',
			'mot-',
			'moto',
			'mwbp',
			'nec-',
			'newt',
			'noki',
			'oper',
			'palm',
			'pana',
			'pant',
			'phil',
			'play',
			'port',
			'prox',
			'qwap',
			'sage',
			'sams',
			'sany',
			'sch-',
			'sec-',
			'send',
			'seri',
			'sgh-',
			'shar',
			'sie-',
			'siem',
			'smal',
			'smar',
			'sony',
			'sph-',
			'symb',
			't-mo',
			'teli',
			'tim-',
			'tosh',
			'tsm-',
			'upg1',
			'upsi',
			'vk-v',
			'voda',
			'wap-',
			'wapa',
			'wapi',
			'wapp',
			'wapr',
			'webc',
			'winw',
			'winw',
			'xda',
			'xda-',
		];
		if ( in_array( $mobile_ua, $mobile_agents ) ) {
			$mobile_browser ++;
		}
		if ( strpos( strtolower( $_SERVER['ALL_HTTP'] ), 'operamini' ) !== FALSE ) {
			$mobile_browser ++;
		}
		// Pre-final check to reset everything if the user is on Windows
		if ( strpos( strtolower( $_SERVER['HTTP_USER_AGENT'] ), 'windows' ) !== FALSE ) {
			$mobile_browser = 0;
		}
		// But WP7 is also Windows, with a slightly different characteristic
		if ( strpos( strtolower( $_SERVER['HTTP_USER_AGENT'] ), 'windows phone' ) !== FALSE ) {
			$mobile_browser ++;
		}
		if ( $mobile_browser > 0 ) {
			return TRUE;
		} else {
			return FALSE;
		}
	}
}