<?php
class FileFlag_Api
{
private $flag=‘fileflag‘;//唯一标识
private $method=‘file_request‘;//方法名称
private $type=‘json‘;//数据格式
private $charset=‘utf-8‘;//数据编码
private $ver=1;//版本
private $token=‘tjiePjfjvnyGUuyMFEXVPmsewokCauuZ‘;//密钥
private $post_data=array();//全部数据
private $sign=null;//签名
private $timestamp=null;//时间戳
private $data=‘‘;//实际数据
//返回信息数组0是返回出错的信息，1返回处理成功的信息
private $result=array(
0=>array(‘code‘=>‘‘,‘info‘=>‘FAILED‘,‘msg‘=>‘‘,‘data‘=>‘‘),
1=>array(‘code‘=>‘‘,‘info‘=>‘SUCCESS‘,‘msg‘=>‘‘,‘data‘=>‘‘)
);
//返回信息数组$this->result的键名
private $key=0;//$this->result (key)
//构造函数
public function __construct()
{
}
//设置签名
private function set_sign($sign=array())
{
$return_sign=‘‘;
if(!is_array($sign))
{
return null;
}
else
{
ksort($sign,SORT_STRING);
foreach($sign as $key=>$value)
{
if( $value != null && strtolower($key) != ‘sign‘ )
{
if( get_magic_quotes_gpc() )
{
$value=stripslashes($value);
$return_sign.=$key.(is_array($value)?$this->set_sign($value):$value);
}
else
{
$return_sign.=$key.(is_array($value)?$this->set_sign($value):$value);
}
//$return_sign.=$key.(is_array($value)?$this->set_sign($value):$value);
}
else
{
}
}
return $return_sign;
}
}
//获取签名
private function get_sign($sign)
{
if($sign)
{
return strtoupper(md5(strtoupper(md5($sign)).$this->token));
}
else
{
return null;
}
}
//检查字段是否符号要求
private function check_sign($sign=array())
{
$sign_str=$this->set_sign($sign);
$signs=$this->get_sign($sign_str);
if($this->sign==$signs)
{
return true;
}
else
{
return false;
}
}
//检查时间戳
private function check_timestamp()
{
if($this->timestamp)
{
if(($this->timestamp+60)<time())
{
return true;
}
else
{
return false;
}
}
}
//检查签名等必须字段是否符号要求
private function check_post($post)
{
if(!empty($post))
{
$type=$post[‘type‘];
$flags=$post[‘flag‘];
$timestamp=$post[‘timestamp‘];
$this->data=$post[‘data‘];
$sign=$post[‘sign‘];
$method=$post[‘method‘];
$ver=$post[‘ver‘];
$flag=true;
//var_dump($this->data);
//exit;
if($type!=$this->type)
{
$flag=false;
$this->key=0;
$this->result[$this->key][‘code‘]=‘type‘;
$this->result[$this->key][‘msg‘]=‘Response:type field Invalid!‘;
}
elseif($flags!=$this->flag)
{
$this->key=0;
$flag=false;
$this->result[$this->key][‘code‘]=‘flag‘;
$this->result[$this->key][‘msg‘]=‘Response:flag field Invalid!‘;
}
elseif($sign!=$this->sign)
{
$this->key=0;
$flag=false;
$this->result[$this->key][‘code‘]=‘sign‘;
$this->result[$this->key][‘msg‘]=‘Response:sign field Invalid!‘;
}
elseif($method!=$this->method)
{
$this->key=0;
$flag=false;
$this->result[$this->key][‘code‘]=‘method‘;
$this->result[$this->key][‘msg‘]=‘Response:method field Invalid!‘;
}
elseif($ver!=$this->ver)
{
$this->key=0;
$flag=false;
$this->result[$this->key][‘code‘]=‘ver‘;
$this->result[$this->key][‘msg‘]=‘Response:ver field Invalid!‘;
}
else
{
$this->key=1;
}
/* else
{
$this->key=1;
} */
return $flag;
}
else
{
return false;
}
}
//检查转送过来的三维数组是否符合要求
private function data_check()
{
$field_array=array(‘order_sn‘,‘code‘,‘is_upfile‘,‘fileinfo‘);
if(empty($this->post_data))
{
$this->key=0;
$this->result[$this->key][‘code‘]=‘data‘;
$this->result[$this->key][‘msg‘]=‘Response:data is empty!‘;
return false;
}
elseif(!empty($this->post_data) && is_array($this->post_data))
{
foreach($this->post_data as $key => $value)
{
if(in_array(strtolower($key),$field_array))
{
if(is_array($value) && !empty($value))
{
foreach($value as $k => $v)
{
if(is_array($v) && !empty($v))
{
foreach($v as $ky => $val)
{
if(in_array(strtolower($ky),$field_array))
{
if(empty($val))
{
/* $this->key=0;
$this->result[$this->key][‘code‘]=‘data‘;
$this->result[$this->key][‘msg‘]=‘Response:‘.$ky.‘ is empty!‘;
return false; */
}
}
}
}
}
}
elseif(empty($value) && !is_array($value))
{
$this->key=0;
$this->result[$this->key][‘code‘]=‘data‘;
$this->result[$this->key][‘msg‘]=‘Response:‘.$key.‘ is empty!‘;
return false;
}
}
}
}
else
{
return true;
}
}
//过滤转送过来的数据
private function PostFilter($post)
{
$return_post=array();
if(is_array($post))
{
foreach( $post as $key => $value )
{
if(is_array($value) && !empty($value))
{
$value=$this->PostFilter($value);
}
else
{
if(!get_magic_quotes_gpc())
{
$value=addslashes($value);
}
$value=strip_tags($value);
}
$return_post[$key]=$value;
}
}
/* else
{
if(!get_magic_quotes_gpc())
{
$return_post[]=addslashes($post);
}
$post[]=strip_tags($post);
} */
return $return_post;
}
//$post是三维数组
public function DoResponse($post=array())
{
$sign=$this->set_sign($post);
$this->sign=$this->get_sign($sign);
$check=$this->check_post($post);
if($check)
{
$this->data=json_decode(trim(stripslashes(urldecode($this->data)),chr(239).chr(187).chr(191)),true);
$post=$this->PostFilter($this->data);
$this->post_data=$post;
if(!$this->data_check())
{
return false;
}
else
{
return true;
}
}
else
{
return false;
}
}
//输出结果信息
public function display()
{
$this->result[$this->key][‘data‘]=$this->data;
$json=json_encode($this->result[$this->key]);
$rs=new stdClass();
foreach($this->result[$this->key] as $k => $v)
{
$rs->$k=$v;//$this->result[$this->key][$k];
}
$rs=json_encode($rs);
echo $rs;
//echo $json;
}
//获取转送过来的处理过的数据
public function get_request_data()
{
return $this->post_data;
}
}
$fileflag=new FileFlag_Api();
$response=$fileflag->DoResponse($post);
$fileflag->display();
?>