error_code 129 in VK api appWidgets.saveAppImage

Question

美好的一天！我正在尝试使用方法appWidgets.saveAppImage加载图像。一开始我收到用于加载的服务器的 URL> getAppImageUploadServer，一切都好！ 我收到一个哈希和一个图像，向他们发送一个 POST 请求并收到错误。这是我的代码：

$token = "Service_access_key";
$tmp_image = file_get_contents('https://www.ejin.ru/wp-content/uploads/2017/12/667108931864_667108931864-150x150.jpg');
file_put_contents(dirname(__FILE__).'/tmp.jpg',$tmp_image);
$img_path = dirname(__FILE__).'/tmp.jpg';
$post_data = array("image" => "@".$img_path);
$upload_url = file_get_contents("https://api.vk.com/method/appWidgets.getAppImageUploadServer?v=5.85&image_type=50x50&access_token=".$token);
$url = json_decode($upload_url)->response->upload_url;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$result = json_decode(curl_exec($ch),true);
$safe = file_get_contents("https://api.vk.com/method/appWidgets.saveAppImage?v=5.85&hash=".$result['hash']."&image=".$result['image']."&access_token=".$token);
echo $safe;

回波：

"error_code":129,"error_msg":"Invalid photo: file not found, from upl_850128?act=app_widget_image"

我的错误是什么？

Answer 1

<?
$request_params = array( 
'image_type' => '510x128',
'access_token' => 'xxx',
'v' => '5.92' 
); 
$t = json_decode(file_get_contents('https://api.vk.com/method/appWidgets.getAppImageUploadServer?'. http_build_query($request_params)));
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type:multipart/form-data"));
curl_setopt($ch, CURLOPT_URL, $t->response->upload_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, array("image" => new CURLFile(dirname(__FILE__).'img.jpg')));
curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true);
$result = json_decode(curl_exec($ch));
curl_close($ch);
$request_params = array( 
'hash' => $result->hash,
'image' => $result->image,
'access_token' => 'xxx',
'v' => '5.92' 
); 
print_r(file_get_contents('https://api.vk.com/method/appWidgets.saveAppImage?'. http_build_query($request_params)));
?>