97 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
		
		
			
		
	
	
			97 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
|  | <?php | |||
|  | 
 | |||
|  | namespace app\service\sms; | |||
|  | 
 | |||
|  | /** | |||
|  |  * 签名助手 2017/11/19 | |||
|  |  * | |||
|  |  * Class SignatureHelper | |||
|  |  */ | |||
|  | class SignatureHelper { | |||
|  | 
 | |||
|  |     /** | |||
|  |      * 生成签名并发起请求 | |||
|  |      * | |||
|  |      * @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/) | |||
|  |      * @param $accessKeySecret string AccessKeySecret | |||
|  |      * @param $domain string API接口所在域名 | |||
|  |      * @param $params array API具体参数 | |||
|  |      * @param $security boolean 使用https | |||
|  |      * @param $method boolean 使用GET或POST方法请求,VPC仅支持POST | |||
|  |      * @return bool|\stdClass 返回API接口调用结果,当发生错误时返回false | |||
|  |      */ | |||
|  |     public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false, $method='POST') { | |||
|  |         $apiParams = array_merge(array ( | |||
|  |             "SignatureMethod" => "HMAC-SHA1", | |||
|  |             "SignatureNonce" => uniqid(mt_rand(0,0xffff), true), | |||
|  |             "SignatureVersion" => "1.0", | |||
|  |             "AccessKeyId" => $accessKeyId, | |||
|  |             "Timestamp" => gmdate("Y-m-d\TH:i:s\Z"), | |||
|  |             "Format" => "JSON", | |||
|  |         ), $params); | |||
|  |         ksort($apiParams); | |||
|  | 
 | |||
|  |         $sortedQueryStringTmp = ""; | |||
|  |         foreach ($apiParams as $key => $value) { | |||
|  |             $sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value); | |||
|  |         } | |||
|  | 
 | |||
|  |         $stringToSign = "${method}&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1)); | |||
|  | 
 | |||
|  |         $sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true)); | |||
|  | 
 | |||
|  |         $signature = $this->encode($sign); | |||
|  | 
 | |||
|  |         $url = ($security ? 'https' : 'http')."://{$domain}/"; | |||
|  | 
 | |||
|  |         try { | |||
|  |             $content = $this->fetchContent($url, $method, "Signature={$signature}{$sortedQueryStringTmp}"); | |||
|  |             return json_decode($content); | |||
|  |         } catch( \Exception $e) { | |||
|  |             return false; | |||
|  |         } | |||
|  |     } | |||
|  | 
 | |||
|  |     private function encode($str) | |||
|  |     { | |||
|  |         $res = urlencode($str); | |||
|  |         $res = preg_replace("/\+/", "%20", $res); | |||
|  |         $res = preg_replace("/\*/", "%2A", $res); | |||
|  |         $res = preg_replace("/%7E/", "~", $res); | |||
|  |         return $res; | |||
|  |     } | |||
|  | 
 | |||
|  |     private function fetchContent($url, $method, $body) { | |||
|  |         $ch = curl_init(); | |||
|  | 
 | |||
|  |         if($method == 'POST') { | |||
|  |             curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
 | |||
|  |             curl_setopt($ch, CURLOPT_POSTFIELDS, $body); | |||
|  |         } else { | |||
|  |             $url .= '?'.$body; | |||
|  |         } | |||
|  | 
 | |||
|  |         curl_setopt($ch, CURLOPT_URL, $url); | |||
|  |         curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |||
|  |         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |||
|  |         curl_setopt($ch, CURLOPT_HTTPHEADER, array( | |||
|  |             "x-sdk-client" => "php/2.0.0" | |||
|  |         )); | |||
|  | 
 | |||
|  |         if(substr($url, 0,5) == 'https') { | |||
|  |             curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); | |||
|  |             curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); | |||
|  |         } | |||
|  | 
 | |||
|  |         $rtn = curl_exec($ch); | |||
|  | 
 | |||
|  |         if($rtn === false) { | |||
|  |             // 大多由设置等原因引起,一般无法保障后续逻辑正常执行,
 | |||
|  |             // 所以这里触发的是E_USER_ERROR,会终止脚本执行,无法被try...catch捕获,需要用户排查环境、网络等故障
 | |||
|  |             trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR); | |||
|  |         } | |||
|  |         curl_close($ch); | |||
|  | 
 | |||
|  |         return $rtn; | |||
|  |     } | |||
|  | } |