问题描述
我正在尝试通过PHP中的curl向新的Grandstream API发送HTTP POST请求,并且每次都遇到相同的错误。我不得不说我目前能够成功执行GET请求,但是问题是当必须在POST中发送正文时开始的。
$gdms_domain = "eu.gdms.cloud";
$timestamp = round(microtime(true)*1000);
$params_data = array(
'access_token' => '*********','client_id' => '*****','client_secret' => '************','timestamp' => $timestamp
);
$body_data = array(
'pageSize' => "",'pageNum' => "",'order' => "",'type' => "",'orgId' => ""
);
$params = http_build_query($params_data);
$body = json_encode($body_data);
$signature = hash("sha256","&".$params."&");
$payload_data = array(
'access_token' => $token,'signature' => $signature,'timestamp' => $timestamp
);
$payload = http_build_query($payload_data);
$ch = curl_init();
$options = array(
CURLOPT_RETURNTRANSFER => true,CURLOPT_SSL_VERIFYPEER => false,CURLOPT_POST => true,CURLOPT_POSTFIELDS => $body,CURLOPT_URL => 'https://'.$gdms_domain.'/oapi/v1.0.0/device/list'."?".$payload,CURLOPT_HTTPHEADER => array(
"Content_type: application/json"
)
);
curl_setopt_array($ch,$options);
$response = curl_exec($ch);
if(curl_error($ch)){
echo 'Request Error:'.curl_error($ch);
}else{
$response = json_decode($response);
print_r($response);
return $response;
}
curl_close($ch);
返回的错误是:
(
[data] =>
[msg] => bad signature
[retCode] => 40003
)
api文档在此处GDMS API中。我尝试根据文档以两种可能的方式构建签名,并以不同的方式发送正文。
谢谢
解决方法
您应该将散列的正文添加到签名中。
$body_signature = hash("sha256",$body);
那么最终的签名应该是
$signature = hash("sha256","&".$params."&".$body_signature."&");