POST /cloud/api/v{version}/axb/binding HTTP/1.1
Host: pns.baidubce.com
Content-Type: application/json; charset=utf-8
x-bce-date: 2019-10-30T10:55:26Z
Authorization: authorization string
{
    "telA": "A号码",
    "telB": "B号码",
    "areaCode": "需要X号码所属区号",
    "record": "是否录音，1：录音；0：不录音",
    "expiration": "绑定失效时间（秒）",
    "customer": "业务侧随传数据，可以是json和任意字符串"
}

POST /cloud/api/v{version}/axb/binding HTTP/1.1
Host: pns.baidubce.com
Content-Type: application/json; charset=utf-8
x-bce-date: 2019-10-30T10:55:26Z
Authorization: bce-auth-v1/318857a8f08b11e9845ca7e54775a0c2/2019-10-17T03:07:21Z/1800/host/212eef8cfe1ac94be56c4afedb9360bba621ef646c3c8288971d36801d70501a
{
    "telA": "17600901081",
    "telB": "13911528327",
    "areaCode": "10",
    "record": "1",
    "expiration": "600",
    "customer": ""
}

<?php 


function gmtime()
{
    return (time() - date('Z'));
}

function debug($k,$v){
    
    echo "\n======={$k}======\n";
    var_export($v);

    echo "\n=====end====\n";
}

/**
 * Http Client
 */
class AipHttpClient{

    /**
     * HttpClient
     * @param array $headers HTTP header
     */
    public function __construct($headers=array()){
        $this->headers = $this->buildHeaders($headers);
        $this->connectTimeout = 60000;
        $this->socketTimeout = 60000;
        $this->conf = array();
        
    }

    /**
     * 连接超时
     * @param int $ms 毫秒
     */
    public function setConnectionTimeoutInMillis($ms){
        $this->connectTimeout = $ms;
    }

    /**
     * 响应超时
     * @param int $ms 毫秒
     */
    public function setSocketTimeoutInMillis($ms){
        $this->socketTimeout = $ms;
    }    

    /**
     * 配置
     * @param array $conf
     */
    public function setConf($conf){
        $this->conf = $conf;
    }

    /**
     * 请求预处理
     * @param resource $ch
     */
    public function prepare($ch){
        foreach($this->conf as $key => $value){
            curl_setopt($ch, $key, $value);
        }
    }    

    /**
     * @param  string $url
     * @param  array $data HTTP POST BODY
     * @param  array $param HTTP URL
     * @param  array $headers HTTP header
     * @return array
     */
    public function post($url, $data=array(), $params=array(), $headers=array()){
        $url = $this->buildUrl($url, $params);
        $headers = array_merge($this->headers, $this->buildHeaders($headers));
        debug('headers',$headers);
        debug('body',$data);

        $ch = curl_init();
       
        $this->prepare($ch);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_POSTFIELDS, is_array($data) ? http_build_query($data) : $data);
        curl_setopt($ch, CURLOPT_TIMEOUT_MS, $this->socketTimeout);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $this->connectTimeout);
        curl_setopt($ch, CURLOPT_VERBOSE, true);
        curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
        echo "Curl options:\n";
        var_dump(curl_getinfo($ch));
        $content = curl_exec($ch);
        echo "Response content:\n";
        var_dump($content); // 输出返回的内容
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

        if($code === 0){
            throw new Exception(curl_error($ch));
        }

        curl_close($ch);


        return array(
            'code' => $code,
            'content' => $content,
        );
    }


    /**
     * @param  string $url
     * @param  array $param HTTP URL
     * @param  array $headers HTTP header
     * @return array
     */
    public function get($url, $params=array(), $headers=array()){
        $url = $this->buildUrl($url, $params);
        $headers = array_merge($this->headers, $this->buildHeaders($headers));

        $ch = curl_init();
        $this->prepare($ch);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_TIMEOUT_MS, $this->socketTimeout);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $this->connectTimeout);
        $content = curl_exec($ch);
        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

        if($code === 0){
            throw new Exception(curl_error($ch));
        }
        
        curl_close($ch);
        return array(
            'code' => $code,
            'content' => $content,
        );
    }

    /**
     * 构造 header
     * @param  array $headers
     * @return array
     */
    private function buildHeaders($headers){
        $result = array();
        foreach($headers as $k => $v){
            $result[] = sprintf('%s:%s', $k, $v);
        }
        return $result;
    }

    /**
     * 
     * @param  string $url
     * @param  array $params 参数
     * @return string
     */
    private function buildUrl($url, $params){
        if(!empty($params)){
            $str = http_build_query($params);
            return $url . (strpos($url, '?') === false ? '?' : '&') . $str;
        }else{
            return $url;
        }
    }
}



/**
 * 
 */
class BaiDuYun  
{
    /**
     * $conf=['access'=>'xxx','secret'=>'xxx']  https://cloud.baidu.com/doc/Reference/s/9jwvz2egb
     * 
     *
     * @method __construct
     *
     * @param  array       $conf [description]
     */
    function __construct($conf=[])
    {
        $this->conf=$conf;
        $this->client= new AipHttpClient([
            'Content-Type'=>'application/json; charset=utf-8',
          
        ]);

        $this->addtionHeaders=[  'x-bce-date'=> date('Y-m-d\TH:i:s\Z',gmtime())];

        $this->version=1;
        $this->APIBASE="https://pns.baidubce.com";
    }




  private  function auth($Method,$api){
        return  $this->authStringPrefix()."/host;x-bce-date/".$this->Signature($Method,$api);
    }
   private function Signature($Method,$api){

        $c=$this->CanonicalRequest($Method,$api);
        $sk=$this->SigningKey();
        debug("CanonicalRequest",$c);
        debug("SigningKey",$sk);

        return  self::sha256($sk,$c);

    }

  private  function SigningKey(){

        
        $s= self::sha256($this->conf['secret'],trim($this->authStringPrefix()));
 
        return $s;

    }
    static function sha256($a,$b){


        return  hash_hmac('sha256',$b,$a);

    }

   
   private function authStringPrefix(){

        $t= date('Y-m-d\TH:i:s\Z',gmtime());
        // $t='2019-12-03T18:03:23Z';

        return "bce-auth-v1/{$this->conf['access']}/{$t}/1800";
    }
     
    private  function CanonicalRequest($Method,$api){

        $data[]=$Method;
        $u=parse_url($api);
        $data[]=str_replace('%2F','/',urlencode($u['path']));
        if(isset($u['query'])){
            parse_str($u['query'],$qs);
            ksort($qs);
            foreach ($qs as $k => $v) {
                $q[]=urlencode($k).'='.urlencode($v);
            }
            $data[]= implode("&", $q);  
        }else{
            $data[]=''; 
        }
        
        $a=["host:".$u['host'],];
        foreach ( $this->addtionHeaders as $k => $v) {
            
            $a[]="{$k}:".urlencode($v);
        }
        $data[]=implode("\n", $a);
        return  implode("\n", $data);

    }


   public function Post($api,$data=null){
        $api=$this->APIBASE.$api;
        var_dump($api);
        $this->addtionHeaders["Authorization"]=$this->auth("POST",$api);
        $res=$this->client->post($api,$data?json_encode($data):null,[],$this->addtionHeaders);
        if($res['code']!=200){
            throw new \Exception($res['content'], $res['code']);
        }
        return json_decode( $res['content'],1);

    }

    /**
        * [AxbBinding description] 百度云PNS-AXB模式绑定接口
        *
        * @method AxbBinding
        * @param telA    String  是   RequestBody参数   主叫号码 格式：手机或固话座机
        * @param telB    String  是   RequestBody参数   被叫号码 格式：手机或固话座机
        * @param telX    String  否   RequestBody参数   中间X号码，不传平台自动分配申请的X号码
        * @param areaCode    String  是   RequestBody参数   需要的 X 号码所属于区号
        * @param expiration  String  是   RequestBody参数   绑定关系有效时长，必须大于0
        * @param record  String  是   RequestBody参数   录音状态record，1-需要录音；0-不需要录音
        * @param customer    Json    否   RequestBody参数   业务侧随传数据，可以是json和任意字符串
    **/
    public function  AxbBinding($tela,$telb,$telx="",$expiration=1800,$areaCode="10",$record=1,$customer=''){

        $api="/cloud/api/v{$this->version}/axb/binding";
        $data=[
            "telA"=>$tela,
            "telB"=>$telb,
            "areaCode"=>$areaCode,
            "record"=>$record,
            "expiration"=>$expiration,
            "customer"=>$customer
        ];

        if($telx){
            $data['telX']=  $telx;
        }
        return $this->Post($api,$data);

    }


    /**
    * [AxbUnbinding description] 百度云PNS-AXB模式解绑接口
    * 参数名称 类型  是否必须    参数位置    描述
    * @param version String  是   URL参数   API版本号
    * @param bindId  String  是   URL参数   绑定ID
         *
     * @method AxbUnbinding
     *
     * @param  [type]       $bindId [description]
     */
    public  function  AxbUnbinding($bindId){

        $api="/cloud/api/v{$this->version}/axb/unbinding/{$bindId}";
        return $this->Post($api);

    }

    /**
        * [AxBinding description] 百度云PNS-AX模式绑定接口
        *
        * @method AxBinding
        * @param telA    String  是   RequestBody参数   主叫号码 格式：手机或固话座机
        * @param telX    String  否   RequestBody参数   中间X号码，不传平台自动分配申请的X号码
        * @param areaCode    String  是   RequestBody参数   需要的 X 号码所属于区号
        * @param expiration  String  是   RequestBody参数   绑定关系有效时长，必须大于0
        * @param record  String  是   RequestBody参数   录音状态record，1-需要录音；0-不需要录音
        * @param customer    Json    否   RequestBody参数   业务侧随传数据，可以是json和任意字符串
    **/
    public function  AxBinding($tela,$telx="",$expiration=1800,$areaCode="10",$record=1,$customer=''){

        $api="/cloud/api/v{$this->version}/ax/binding";
        $data=[
            "telA"=>$tela,
            "areaCode"=>$areaCode,
            "record"=>$record,
            "expiration"=>$expiration,
            "customer"=>$customer
        ];

        if($telx){
            $data['telX']=  $telx;
        }
        return $this->Post($api,$data);

    }

    /**
    * [AxUnbinding description] 百度云PNS-AX模式解绑接口
    * 参数名称 类型  是否必须    参数位置    描述
    * @param version String  是   URL参数   API版本号
    * @param bindId  String  是   URL参数   绑定ID
    *
    * @method AxUnbinding
    *
    * @param  [type]       $bindId [description]
    */
   public  function  AxUnbinding($bindId){

        $api="/cloud/api/v{$this->version}/ax/unbinding/{$bindId}";
        return $this->Post($api);

    }
}


//demo  access: 用户ak信息 secret: 用户sk信息
$conf=['access'=>'您的ak','secret'=>'您的sk'];
$bd = new BaiDuYun($conf);

//$bd->AxbBinding("18011112222","18911112222");
//$bd->AxBinding("18620084369"); // 绑定
$bd->AxUnBinding("37062165846201367xx"); //解绑

HTTP/1.1 200 OK
Content-Type: application/json;charset=UTF-8
Date: Wed, 08 Jul 2019 03:28:11 GMT
x-bce-request-id: d8752367-38e8-45e4-b4c7-e53be3137ce5
X-Bce-Gateway-Region: BJ
{
   "code":"0",
   "msg":"成功",
   "data":{
        "bindId":"1535822891021508888",
        "telX":"17810301111"
   }
}