支付宝服务窗API接口开发php版本

<?php 
 
class AlipayService{ 
 / 
 - 服务接口信息 
 / 
 public $service = null; 
 / 
 - 签名信息 
 / 
 public $sign = null; 
 / 
 - 签名类型 
 / 
 public $sign_type = null; 
 / 
 - 字符集 
 / 
 public $charset = null; 
 / 
 - 解析的_content数据 
 / 
 public $request = null; 
 / 
 - 用户openid 
 / 
 public $from_user_id = null; 
 / 
 - 消息类型 
 / 
 public $msg_type = null; 
 / 
 - 事件类型 
 / 
 public $event_type = null; 
 / 
 - 行为参数 
 / 
 public $action_param = null; 
 / 
 - 支付宝用户信息 
 / 
 public $user_info = null; 
 / 
 - 文本消息内容 
 / 
 public $text = null; 
 / 
 - 图片媒体id 
 / 
 public $media_id = null; 
 / 
 - 图片格式 
 / 
 public $format = null; 
 / 
 - 是否开启调试 
 / 
 private $debug = false; 
 / 
 - 接口类型 
 / 
 private $interface_type = array( 
  'qrcode' => 'alipay.mobile.public.qrcode.create', 
  'follow' => 'alipay.mobile.public.follow.list', 
  'gis_get' => 'alipay.mobile.public.gis.get', 
  'menu_get' => 'alipay.mobile.public.menu.get',  
  'menu_add' => 'alipay.mobile.public.menu.add', 
  'down_media' => 'alipay.mobile.public.multimedia.download', 
  'menu_update' => 'alipay.mobile.public.menu.update', 
  'info_query' => 'alipay.mobile.public.info.query', 
  'info_modify' => 'alipay.mobile.public.info.modify', 
  'shortlink' => 'alipay.mobile.public.shortlink.create', 
  'label_add' => 'alipay.mobile.public.label.add', 
  'label_del' => 'alipay.mobile.public.label.delete', 
  'label_update' => 'alipay.mobile.public.label.update', 
  'label_query'  => 'alipay.mobile.public.label.query', 
  'label_user_add' => 'alipay.mobile.public.label.user.add', 
  'label_user_del' => 'alipay.mobile.public.label.user.delete', 
  'label_user_query' => 'alipay.mobile.public.label.user.query', 
  'message_custom' => 'alipay.mobile.public.message.custom.send', 
  'message_total' => 'alipay.mobile.public.message.total.send', 
  'message_single' => 'alipay.mobile.public.message.single.send', 
  'message_label_send' => 'alipay.mobile.public.message.label.send', 
 ); 
 / 
 - 私有密钥地址，替换为你自己的 
 / 
 private $private_rsa_key_path ='rsa_private_key.pem'; 
 / 
 - 私有密钥地址，替换为你自己的 
 / 
 private $public_rsa_key_path ='rsa_public_key.pem'; 
 / 
 - 支付宝窗的app id 替换成你自己的 
 / 
 private $app_id = '2015120200901652'; 
 / 
 - 开启DEBUG参数 
 - @params bool debug true 开启调试 false 关闭调试 
 - @author widuu <admin@widuu.> 
 / 
 public function __construct( $debug = false ){ 
 / 是否开启DEBUG / 
 if( $debug ) $this->debug = true; 
 } 
 / 
 - 获取参数，解析请求参数 
 - 
 - @author widuu <admin@widuu.> 
 / 
 public function get_request(){ 
 if( !emptyempty($_POST) ){ 
  // 请求的服务接口 
  $this->service = $_POST['service']; 
  // 获取请求字符集 
  $this->charset = $_POST['charset']; 
  // 获取请求的_content 
  $request__content = $_POST['_content']; 
  // 加密算法 
  $this->sign_type = $_POST['sign_type']; 
  // 加密字符串 
  $this->sign = $_POST['sign']; 
  // 如果请求格式不是Utf-8 转换格式为Utf-8 
  if( strtolower($this->charset) != 'utf-8' ){ 
  $request__content = iconv('GBK', 'utf-8', $request__content); 
  } 
  // 解析字符串为xml 
  $request_xml = @simplexml_load_string($request__content, "SimpleXMLElement" , LIBXML_NOCDATA ); 
  // 解析为数组 
  $request_array = json_decode(json_encode($request_xml),true); 
  $this->request = $request_array; 
  / 解析 / 
  $this->analysis($request_array); 
  if($this->debug) $this->write_log('REQUEST_INFO',var_export($request_array,true)); 
  // 默认验证方法 
  if( $this->service == 'alipay.service.check'){ 
  $this->verify($_POST); 
  exit(); 
  } 
  / 返回结果 / 
  return $request_array; 
 } 
 } 
 / 
 - 回复文本内容 
 - @params string content 文本数据 
 - @params bool mass ture为群发 
 - @author widuu <admin@widuu.> 
 / 
 public function text($content,$mass=false){ 
 $info['text'] = array( 'content' => $content ); 
 / 组织内容 / 
 $_content = $this->mon_response('text',$info,$mass); 
 / 判断是否为群发 / 
 if($mass){ 
  $method = 'message_total'; 
 }else{ 
  $method = 'message_custom'; 
 } 
 $sys_params = $this->mon_system($method,$_content); 
 $sys_params['sign'] = $this->rsa_sign($this->build_query($sys_params)); 
 / 返回结果 结果是JSON数据 / 
 $result = $this->response_post($sys_params); 
 return $result; 
 } 
 / 
 - 回复图文内容 
 - @params array articles 拼接的图文消息数组 
 - @params bool mass ture为群发 
 - @author widuu <admin@widuu.> 
 / 
 public function articles($articles,$mass=false){ 
 $info['articles'] = array($articles); 
 / 组织内容 / 
 $_content = $this->mon_response('image-text',$info,$mass); 
 / 判断是否群发 / 
 if($mass){ 
  $method = 'message_total'; 
 }else{ 
  $method = 'message_custom'; 
 } 
 / 加密参数 / 
 $sys_params = $this->mon_system($method,$_content); 
 / 加密字符 / 
 $sys_params['sign'] = $this->rsa_sign($this->build_query($sys_params)); 
 / 返回结果 结果是JSON数据 / 
 $result = $this->response_post($sys_params); 
 return $result; 
 } 
 / 
 - 关注事件 
 - 
 - @author widuu <admin@widuu.> 
 / 
 public function is_follow(){ 
 $request = $this->request; 
 if( $request['MsgType'] == 'event' && $request['EventType'] == 'follow' ){ 
  return true; 
 }else{ 
  return false; 
 } 
 } 
 / 
 - 取消关注事件 
 - 
 - @author widuu <admin@widuu.> 
 / 
 public function is_unfollow(){ 
 $request = $this->request; 
 if( $request['MsgType'] == 'event' && $request['EventType'] == 'unfollow' ){ 
  return true; 
 }else{ 
  return false; 
 } 
 } 
 / 
 - 下载用户发来的图片 
 - @param media_id string 图片id 
 - @param filename string 保存图片地址和名称 
 - @author widuu <admin@widuu.> 
 / 
 public function down_media($media_id,$filename){ 
 $sys_params = $this->mon_system('down_media',array('mediaId'=>$media_id)); 
 $sys_params['sign'] = $this->rsa_sign($this->build_query($sys_params)); 
 / 返回数据 / 
 $result = $this->response_post($sys_params,true); 
 $result = file_put_contents($filename, $result); 
 if( $this->debug ){ 
  $this->write_log('SAVE_IMAGE','保存图片'.(string)$result); 
 } 
 return $result; 
 } 
 / 
 - (添加|更新|获取)自定义菜单 
 - @param string $type (add|update|get) 
 - @param array $menu 菜单数组，如果是获取菜单可以留空 
 - @author widuu <admin@widuu.> 
 / 
 public function menu( $type,$menu = array() ){ 
 if( !in_array( $type, array('get','update','add')) ){ 
  if( $this->debug ){ 
  $this->write_log('ERROR','菜单操作方法错误'); 
  } 
  return false; 
 } 
 / 拼接接口方法 / 
 $method = 'menu_'.$type; 
 $sys_params = $this->mon_system($method,$menu); 
 / 加密字符串 / 
 $sys_params['sign'] = $this->rsa_sign($this->build_query($sys_params)); 
 / 请求获取结果 / 
 $result = $this->response_post($sys_params); 
 / 转义并解析JSON 数据 / 
 $menu_json = json_decode(iconv('GBK', 'utf-8', $result),true); 
 / 组织接口信息 / 
 $interface = 'alipay_mobile_public_'.$method.'_response'; 
 / 遇到错误返回 / 
 if( $menu_json[$interface]['code'] != 200 ){ 
  if( $this->debug ){ 
  $this->write_log('GET_MENU_ERROR',$menu_json[$interface]['msg']); 
  } 
  return false; 
 } 
 / 根据类型不同返回不同的结果 / 
 if( $type == 'get' ){ 
  return $menu_json[$interface]['menu_content']; 
 }else{ 
  return $menu_json[$interface]['msg']; 
 } 
 } 
 
 / 
 - POST数据方法 
 - @param array params 参数数组 
 - @author widuu <admin@widuu.> 
 / 
 private function response_post($params,$type=false){ 
 // 下载媒体和请求网关 
 if($down){ 
  $url = 'https://openfile.alipay./chat/multimedia.do'; 
 }else{ 
  $url = 'https://openapi.alipay./gateway.do'; 
 } 
 $ch = curl_init(); 
 curl_set($ch, CURLOPT_URL, $url); 
 curl_set($ch, CURLOPT_HEADER, 0); 
 curl_set($ch, CURLOPT_RETURNTRANSFER, 1); 
 curl_set($ch, CURLOPT_POST, 1); 
 curl_set($ch, CURLOPT_POSTFIELDS, http_build_query($params)); 
 curl_set($ch, CURLOPT_FOLLOWLOCATION,true); 
 curl_set($ch, CURLOPT_SSL_VERIFYPEER, false); 
 curl_set($ch, CURLOPT_SSL_VERIFYHOST, false); 
 curl_set($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1); 
 $curl = curl_exec($ch); 
 curl_close($ch); 
 return $curl; 
 } 
 / 
 - 拼接回复数据 
 - @param string $type 回复类型 
 - @param array $info 回复内容 
 - @param bool $mass 是否为群发 
 - @author widuu <admin@widuu.> 
 / 
 private function mon_response($type,$info,$mass=false){ 
 $request = $this->request; 
 $params = array(); 
 // 如果不是群发 
 if( !$mass ) $params['toUserId'] = $request['FromUserId']; 
 $params['msgType'] = $type; 
 $params['createTime'] = time(); 
 $content = array_merge($params,$info); 
 return $content; 
 } 
 / 
 - 拼接加密参数 
 - @param string $interface_type 接口类型 
 - @param array $_content 返回_content的数组 
 - @author widuu <admin@widuu.> 
 / 
 
 private function mon_system($interface_type,$_content){ 
 / 接口集合 / 
 $type = $this->interface_type; 
 $method = $type[$interface_type]; 
 / 公共参数 / 
 $params = array ( 
  'method' => $method, 
  'charset' => 'UTF-8', 
  'sign_type' => 'RSA', 
  'app_id' => $this->app_id, 
  'timestamp' => date ( 'Y-m-d H:i:s', time () ), 
  'version'=>'1.0', 
 ); 
 / 获取某些接口时没有_content参数 / 
 if( count($_content) > 0 ){ 
  $params['_content'] = json_encode($_content); 
 } 
 / 返回系统参数 / 
 return $params; 
 } 
 / 
 - 服务验证 
 - @params array params 是自动获的验证信息 
 - @author widuu <admin@widuu.> 
 / 
 private function verify($params){ 
 / 参数为空 / 
 if( emptyempty($params) ){ 
  if( $this->debug ){ 
  $this->write_log('ERROR','验证参数为空'); 
  } 
 } 
 / 构建参数，使用字典排序再拼接字符串 / 
 $query_data = $this->build_query($params); 
 / 验证信息，有可能php版本BUG不支持验证 / 
 $verify_result = $this->ras_verify($query_data); 
 / 返回验证结果 / 
 if( $verify_result ){ 
  / 取公有密钥的字符串合并为一行 / 
  $public_rsa_string = file_get_contents($this->public_rsa_key_path); 
  $public_rsa_string = str_replace ( "-----BEGIN PUBLIC KEY-----", "", $public_rsa_string ); 
  $public_rsa_string = str_replace ( "-----END PUBLIC KEY-----", "", $public_rsa_string ); 
  $public_rsa_string = str_replace ( "\r", "", $public_rsa_string ); 
  $public_rsa_string = str_replace ( "\n", "", $public_rsa_string ); 
  / 构建加密字符串 / 
  $response_xml = "<suess>true</suess><_content>$public_rsa_string</_content>"; 
  / 生成验证信息 / 
  $sign = $this->rsa_sign ( $response_xml ); 
  / 构建返回数据 / 
  $response = "<?xml version=\"1.0\" encoding=\"GBK\"?><alipay><response>$response_xml</response><sign>$sign</sign><sign_type>RSA</sign_type></alipay>"; 
  if( $this->debug ){ 
  $this->write_log('CHECK_RESPONSE',$response); 
  } 
  / 输出返回信息 / 
  echo $response; 
  exit(); 
 }else{ 
  if( $this->debug ){ 
  $this->write_log('ERROR','验证失败'); 
  } 
 } 
 } 
 / 
 - 拼接为字符串函数 
 - @params array params 拼接函数 
 - @author widuu <admin@widuu.> 
 / 
 private function build_query($params){ 
 / 删除sign字符串 / 
 unset($params['sign']); 
 / 字典排序 / 
 ksort($params); 
 / 拼接 / 
 $query_array = array(); 
 foreach ($params as $k => $v) { 
  $query_array[] = "$k"."="."$v"; 
 } 
 $query_data = implode("&", $query_array); 
 / 返回拼接好的字符串 / 
 return $query_data; 
 } 
 / 
 - 验证加密sign,有些PHP版本不支持，不支持情况直接返回true 
 - @params string query_data 加密字符串 
 - @author widuu <admin@widuu.> 
 / 
 private function ras_verify($query_data){ 
 / 读取公钥文件，PEM格式 / 
 $pubKey = file_get_contents($this->public_rsa_key_path); 
 / 转换为openssl格式密钥 / 
 $res = openssl_get_publickey($pubKey); 
 / 调用openssl内置方法验签 / 
 $result = (bool) openssl_verify($query_data, base64_decode($this->sign), $res); 
 / 释放资源 / 
 openssl_free_key($res); 
 / 有些PHP版本错误，直接返回true / 
 if( strpos( openssl_error_string(),'PEM_read_bio' ) ){ 
  return true; 
 } 
 / 返回验签结果 / 
 return $result; 
 } 
 / 
 - 通过私有密钥加密数据 
 - @params string data 加密数据 
 - @author widuu <admin@widuu.> 
 / 
 private function rsa_sign($data) { 
 / 读取私钥 / 
 $priKey = file_get_contents ( $this->private_rsa_key_path ); 
 / 转换为openssl格式密钥 / 
 $res = openssl_get_privatekey ( $priKey ); 
 / 调用openssl 加密 / 
 openssl_sign ( $data, $sign, $res ); 
 / 释放资源 / 
 openssl_free_key ( $res ); 
 / Base64加密 / 
 $sign = base64_encode ( $sign ); 
 / 返回加密参数 / 
 return $sign; 
 } 
 private function analysis($params){ 
 switch($params['MsgType']){ 
  case 'image': 
  $this->media_id = $params['Image']['MediaId']; 
  $this->format = $params['Image']['Format']; 
  break; 
  case 'text': 
  $this->text = $params['Text']['Content']; 
  break; 
  case 'event': 
  $this->event_type = $params['EventType']; 
  $this->action_param = $params['ActionParam']; 
  break; 
  default: 
  break; 
 } 
 $this->msg_type = $params['MsgType']; 
 $this->user_info = json_decode($params['UserInfo'],true); 
 } 
 / 
 - DEBUG 为true时的拼接字符串 
 - @param string $level 自定义标识符 
 - @param string $info 自定义内容 
 - @param string $log_path 自定义日志路径 
 - @author widuu <admin@widuu.> 
 / 
 public function write_log($level,$info,$log_path = '' ){ 
 if( emptyempty($log_path) ){ //phpfensi. 
  $log_path = dirname ( __FILE__ ) . "/log.txt"; 
 } 
 file_put_contents($log_path, "[$level]".date ( "Y-m-d H:i:s" ) . " " . $info . "\r\n", FILE_APPEND ); 
 } 
}